Landy Joseph P.

SEC source: 0001104659-20-076853 · a4.xml · nonDerivative · entry 1

Landy Joseph P. · CIK 0001220638 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 276,707

F1 · shares: On June 23, 2020, Mr. Landy made a charitable gift of 230 shares of Class A Common Stock (the "Shares").

F2 · price: Bona Fide Gift. No compensation was given to the donor for the gifting of the Shares.

F3 · balance_after: Following the transactions reported in this Form 4, the Trust holds 45,750 Shares and Mr. Landy holds 230,957 Shares.

SEC source: 0001104659-20-075771 · a4.xml · nonDerivative · entry 3

Landy Joseph P. · CIK 0001220638 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 276,937

F3 · shares: On June 22, 2020, Mr. Landy made a charitable gift of 6,070 Shares.

F4 · price: Bona Fide Gift. No compensation was given to the donor for the gifting of the Shares.

F5 · balance_after: Following the transactions reported in this Form 4, the Trust holds 45,750 Shares and Mr. Landy holds 231,187 Shares.

SEC source: 0001104659-20-075771 · a4.xml · nonDerivative · entry 2

Landy Joseph P. · CIK 0001220638 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 283,007

F2 · price: The price reported in Column 4 is a weighted average price. These Shares were sold by Joseph P. Landy in multiple transactions at prices ranging from $101.46 to $101.55 per share, inclusive. The reporting person undertakes to provide to CrowdStrike Holdings, Inc., any security holder of CrowdStrike Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares sold at each separate price within the ranges set forth in footnote (2) to this Form 4.

SEC source: 0001104659-20-075771 · a4.xml · nonDerivative · entry 1

Landy Joseph P. · CIK 0001220638 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 293,007

F1 · price: The price reported in Column 4 is a weighted average price. These shares of Class A Common Stock (the "Shares") were sold by the Landy Family Trust (the "Trust"), of which Joseph P. Landy is the investment advisor, in multiple transactions at prices ranging from $100.00 to $100.20 per share, inclusive. The reporting person undertakes to provide to CrowdStrike Holdings, Inc., any security holder of CrowdStrike Holdings, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Shares sold at each separate price within the ranges set forth in footnote (1) to this Form 4.

SEC source: 0001104659-20-070074 · a4.xml · nonDerivative · entry 1

Landy Joseph P. · CIK 0001220638 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 333,007

F1 · price: On June 4, 2020, Warburg Pincus Private Equity X, L.P. and Warburg Pincus X Partners, L.P. distributed an aggregate of 9,993,855 shares of Class A Common Stock to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities, with no consideration being paid in connection therewith (the "Distribution").

F2 · price: Following the Distribution, entities of which Mr. Landy is the beneficial owner hold 333,007 shares of Class A Common Stock, having received 147,707 shares of Class A Common Stock in connection with the Distribution.

SEC source: 0001104659-20-003623 · a4.xml · derivative · entry 4

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 27,455,818

Underlying: Class A Common Stock · 8,987,370 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 26,602,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 8,708,657 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on January 13, 2020.

F2 · derivative.exercise_price: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 853,165 shares of Class B Common Stock, having converted 278,713 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on January 13, 2020.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · price: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 26,602,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 8,708,657 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on January 13, 2020.

F2 · price: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 853,165 shares of Class B Common Stock, having converted 278,713 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on January 13, 2020.

F8 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 26,602,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 8,708,657 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on January 13, 2020.

F2 · derivative.exercise_date: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 853,165 shares of Class B Common Stock, having converted 278,713 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on January 13, 2020.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 26,602,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 8,708,657 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on January 13, 2020.

F2 · derivative.expiration_date: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 853,165 shares of Class B Common Stock, having converted 278,713 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on January 13, 2020.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 26,602,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 8,708,657 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on January 13, 2020.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 853,165 shares of Class B Common Stock, having converted 278,713 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on January 13, 2020.

F3 · ownership.nature: On January 13, 2020, the WPP Funds distributed an aggregate 8,987,370 shares of Class A Common Stock to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities, with no consideration being paid in connection therewith (the "Distribution").

F4 · ownership.nature: Following the Distribution, entities of which Joseph P. Landy is the beneficial owner hold 185,300 shares of Class A Common Stock, having received 107,758 shares of Class A Common Stock in connection with the Distribution.

F5 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F6 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Messrs. Kaye and Landy disclaim beneficial ownership of all shares held by the Warburg Pincus Entities except to the extent of their pecuniary interest therein. Mr. Landy also serves as a director of the Issuer and is reporting on a separate Form 4.

F7 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-20-003623 · a4.xml · nonDerivative · entry 3

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 185,300

F4 · price: Following the Distribution, entities of which Joseph P. Landy is the beneficial owner hold 185,300 shares of Class A Common Stock, having received 107,758 shares of Class A Common Stock in connection with the Distribution.

SEC source: 0001104659-20-003623 · a4.xml · nonDerivative · entry 2

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F3 · price: On January 13, 2020, the WPP Funds distributed an aggregate 8,987,370 shares of Class A Common Stock to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities, with no consideration being paid in connection therewith (the "Distribution").

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 26,602,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 8,708,657 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on January 13, 2020.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 853,165 shares of Class B Common Stock, having converted 278,713 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on January 13, 2020.

F3 · ownership.nature: On January 13, 2020, the WPP Funds distributed an aggregate 8,987,370 shares of Class A Common Stock to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities, with no consideration being paid in connection therewith (the "Distribution").

F4 · ownership.nature: Following the Distribution, entities of which Joseph P. Landy is the beneficial owner hold 185,300 shares of Class A Common Stock, having received 107,758 shares of Class A Common Stock in connection with the Distribution.

F5 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F6 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Messrs. Kaye and Landy disclaim beneficial ownership of all shares held by the Warburg Pincus Entities except to the extent of their pecuniary interest therein. Mr. Landy also serves as a director of the Issuer and is reporting on a separate Form 4.

F7 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-20-003623 · a4.xml · nonDerivative · entry 1

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 8,987,370

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 26,602,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 8,708,657 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on January 13, 2020.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 853,165 shares of Class B Common Stock, having converted 278,713 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on January 13, 2020.

F3 · ownership.nature: On January 13, 2020, the WPP Funds distributed an aggregate 8,987,370 shares of Class A Common Stock to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities, with no consideration being paid in connection therewith (the "Distribution").

F4 · ownership.nature: Following the Distribution, entities of which Joseph P. Landy is the beneficial owner hold 185,300 shares of Class A Common Stock, having received 107,758 shares of Class A Common Stock in connection with the Distribution.

F5 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F6 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Messrs. Kaye and Landy disclaim beneficial ownership of all shares held by the Warburg Pincus Entities except to the extent of their pecuniary interest therein. Mr. Landy also serves as a director of the Issuer and is reporting on a separate Form 4.

F7 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-20-002367 · a4.xml · derivative · entry 4

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 36,443,188

Underlying: Class A Common Stock · 5,000,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 35,311,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on January 6, 2020.

F2 · derivative.exercise_price: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,131,878 shares of Class B Common Stock, having converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on January 6, 2020.

F6 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · price: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 35,311,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on January 6, 2020.

F2 · price: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,131,878 shares of Class B Common Stock, having converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on January 6, 2020.

F6 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 35,311,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on January 6, 2020.

F2 · derivative.exercise_date: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,131,878 shares of Class B Common Stock, having converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on January 6, 2020.

F6 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 35,311,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on January 6, 2020.

F2 · derivative.expiration_date: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,131,878 shares of Class B Common Stock, having converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on January 6, 2020.

F6 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 35,311,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on January 6, 2020.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,131,878 shares of Class B Common Stock, having converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on January 6, 2020.

F3 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F4 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities.

F5 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-20-002367 · a4.xml · nonDerivative · entry 2

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 35,311,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on January 6, 2020.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,131,878 shares of Class B Common Stock, having converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on January 6, 2020.

F3 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F4 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities.

F5 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-20-002367 · a4.xml · nonDerivative · entry 1

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 5,000,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 35,311,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on January 6, 2020.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,131,878 shares of Class B Common Stock, having converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on January 6, 2020.

F3 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F4 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities.

F5 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0000899243-19-029587 · doc4.xml · derivative · entry 29

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC

Disclosed balance after: 2,810,102

Underlying: Class A common stock, par value $0.01 · 840,217 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · derivative.exercise_price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.exercise_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.expiration_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F11 · ownership.nature: WP XI E&P GP, WP XI E&P LLC and WP Partners E&P XI LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham and WP Brigham Holdings.

F12 · ownership.nature: WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P Partners-A Brigham. WP XI E&P Partners-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WP XI E&P Partners-A Brigham. WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P-A Brigham. WPPE E&P XI-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · derivative · entry 28

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus Energy (E&P)-A (Brigham), LLC

Disclosed balance after: 2,276,984

Underlying: Class A common stock, par value $0.01 · 680,815 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · derivative.exercise_price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.exercise_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.expiration_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · derivative · entry 27

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By WP Brigham Holdings, L.P.

Disclosed balance after: 348,928

Underlying: Class A common stock, par value $0.01 · 104,329 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · derivative.exercise_price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.exercise_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.expiration_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F11 · ownership.nature: WP XI E&P GP, WP XI E&P LLC and WP Partners E&P XI LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham and WP Brigham Holdings.

SEC source: 0000899243-19-029587 · doc4.xml · derivative · entry 26

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By WP Energy Brigham Holdings, L.P.

Disclosed balance after: 219,934

Underlying: Class A common stock, par value $0.01 · 65,760 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · derivative.exercise_price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.exercise_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.expiration_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · derivative · entry 25

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus XI (E&P) Partners-A (Brigham), LLC

Disclosed balance after: 216,521

Underlying: Class A common stock, par value $0.01 · 64,739 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · derivative.exercise_price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.exercise_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.expiration_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F11 · ownership.nature: WP XI E&P GP, WP XI E&P LLC and WP Partners E&P XI LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham and WP Brigham Holdings.

F12 · ownership.nature: WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P Partners-A Brigham. WP XI E&P Partners-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WP XI E&P Partners-A Brigham. WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P-A Brigham. WPPE E&P XI-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · derivative · entry 24

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC

Disclosed balance after: 137,522

Underlying: Class A common stock, par value $0.01 · 41,119 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · derivative.exercise_price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.exercise_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.expiration_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

F12 · ownership.nature: WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P Partners-A Brigham. WP XI E&P Partners-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WP XI E&P Partners-A Brigham. WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P-A Brigham. WPPE E&P XI-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · derivative · entry 23

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By WP Energy Partners Brigham Holdings, L.P.

Disclosed balance after: 18,008

Underlying: Class A common stock, par value $0.01 · 5,384 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · derivative.exercise_price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.exercise_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F13 · derivative.expiration_date: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 22

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC

Disclosed balance after: 0

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F11 · ownership.nature: WP XI E&P GP, WP XI E&P LLC and WP Partners E&P XI LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham and WP Brigham Holdings.

F12 · ownership.nature: WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P Partners-A Brigham. WP XI E&P Partners-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WP XI E&P Partners-A Brigham. WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P-A Brigham. WPPE E&P XI-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 21

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC

Disclosed balance after: 840,217

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F20 · price: On December 16, 2019, WPE E&P-A Brigham requested that 680,815 shares of Class B common stock and 680,815 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 680,815 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F11 · ownership.nature: WP XI E&P GP, WP XI E&P LLC and WP Partners E&P XI LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham and WP Brigham Holdings.

F12 · ownership.nature: WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P Partners-A Brigham. WP XI E&P Partners-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WP XI E&P Partners-A Brigham. WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P-A Brigham. WPPE E&P XI-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 20

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC

Disclosed balance after: 2,810,102

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F20 · price: On December 16, 2019, WPE E&P-A Brigham requested that 680,815 shares of Class B common stock and 680,815 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 680,815 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F11 · ownership.nature: WP XI E&P GP, WP XI E&P LLC and WP Partners E&P XI LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham and WP Brigham Holdings.

F12 · ownership.nature: WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P Partners-A Brigham. WP XI E&P Partners-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WP XI E&P Partners-A Brigham. WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P-A Brigham. WPPE E&P XI-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 19

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus Energy (E&P)-A (Brigham), LLC

Disclosed balance after: 0

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 18

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus Energy (E&P)-A (Brigham), LLC

Disclosed balance after: 680,815

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F19 · price: On December 16, 2019, WPE E&P-A Brigham requested that 680,815 shares of Class B common stock and 680,815 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 680,815 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 17

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus Energy (E&P)-A (Brigham), LLC

Disclosed balance after: 2,276,984

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F19 · price: On December 16, 2019, WPE E&P-A Brigham requested that 680,815 shares of Class B common stock and 680,815 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 680,815 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 16

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By WP Brigham Holdings, L.P.

Disclosed balance after: 0

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F11 · ownership.nature: WP XI E&P GP, WP XI E&P LLC and WP Partners E&P XI LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham and WP Brigham Holdings.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 15

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By WP Brigham Holdings, L.P.

Disclosed balance after: 104,329

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F18 · price: On December 16, 2019, WP Brigham Holdings requested that 104,329 shares of Class B common stock and 104,329 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 104,329 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F11 · ownership.nature: WP XI E&P GP, WP XI E&P LLC and WP Partners E&P XI LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham and WP Brigham Holdings.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 14

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By WP Brigham Holdings, L.P.

Disclosed balance after: 348,928

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F18 · price: On December 16, 2019, WP Brigham Holdings requested that 104,329 shares of Class B common stock and 104,329 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 104,329 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F11 · ownership.nature: WP XI E&P GP, WP XI E&P LLC and WP Partners E&P XI LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham and WP Brigham Holdings.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 13

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By WP Energy Brigham Holdings, L.P.

Disclosed balance after: 0

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 12

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By WP Energy Brigham Holdings, L.P.

Disclosed balance after: 65,760

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F17 · price: On December 16, 2019, WPE Brigham Holdings requested that 65,760 shares of Class B common stock and 65,760 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 65,760 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 11

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By WP Energy Brigham Holdings, L.P.

Disclosed balance after: 219,934

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F17 · price: On December 16, 2019, WPE Brigham Holdings requested that 65,760 shares of Class B common stock and 65,760 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 65,760 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 10

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus XI (E&P) Partners-A (Brigham), LLC

Disclosed balance after: 0

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F11 · ownership.nature: WP XI E&P GP, WP XI E&P LLC and WP Partners E&P XI LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham and WP Brigham Holdings.

F12 · ownership.nature: WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P Partners-A Brigham. WP XI E&P Partners-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WP XI E&P Partners-A Brigham. WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P-A Brigham. WPPE E&P XI-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 9

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus XI (E&P) Partners-A (Brigham), LLC

Disclosed balance after: 64,739

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F16 · price: On December 16, 2019, WP XI E&P Partners-A Brigham requested that 64,739 shares of Class B common stock and 64,739 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 64,739 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F11 · ownership.nature: WP XI E&P GP, WP XI E&P LLC and WP Partners E&P XI LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham and WP Brigham Holdings.

F12 · ownership.nature: WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P Partners-A Brigham. WP XI E&P Partners-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WP XI E&P Partners-A Brigham. WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P-A Brigham. WPPE E&P XI-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 8

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus XI (E&P) Partners-A (Brigham), LLC

Disclosed balance after: 216,521

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F16 · price: On December 16, 2019, WP XI E&P Partners-A Brigham requested that 64,739 shares of Class B common stock and 64,739 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 64,739 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F11 · ownership.nature: WP XI E&P GP, WP XI E&P LLC and WP Partners E&P XI LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham and WP Brigham Holdings.

F12 · ownership.nature: WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P Partners-A Brigham. WP XI E&P Partners-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WP XI E&P Partners-A Brigham. WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P-A Brigham. WPPE E&P XI-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 7

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC

Disclosed balance after: 0

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

F12 · ownership.nature: WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P Partners-A Brigham. WP XI E&P Partners-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WP XI E&P Partners-A Brigham. WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P-A Brigham. WPPE E&P XI-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 6

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC

Disclosed balance after: 41,119

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F15 · price: On December 16, 2019, WPE E&P Partners-A Brigham requested that 41,119 shares of Class B common stock and 41,119 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 41,119 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

F12 · ownership.nature: WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P Partners-A Brigham. WP XI E&P Partners-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WP XI E&P Partners-A Brigham. WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P-A Brigham. WPPE E&P XI-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 5

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC

Disclosed balance after: 137,522

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F15 · price: On December 16, 2019, WPE E&P Partners-A Brigham requested that 41,119 shares of Class B common stock and 41,119 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 41,119 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

F12 · ownership.nature: WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P Partners-A Brigham. WP XI E&P Partners-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WP XI E&P Partners-A Brigham. WPE E&P-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE E&P-A Brigham. WPPE E&P XI-A indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPPE E&P XI-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 4

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By WP Energy Partners Brigham Holdings, L.P.

Disclosed balance after: 0

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 3

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By WP Energy Partners Brigham Holdings, L.P.

Disclosed balance after: 5,384

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F14 · price: On December 16, 2019, WPE Partners Brigham Holdings requested that 5,384 shares of Class B common stock and 5,384 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 5,384 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 2

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By WP Energy Partners Brigham Holdings, L.P.

Disclosed balance after: 18,008

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F13 · price: At the request of the holder, each Common Unit may be coupled with a share of Class B common stock and redeemed for, at Brigham LLC's election, newly-issued shares of Class A common stock on a one-for-one basis or a cash payment equal to a volume weighted average market price of one share of Class A common stock for each common unit redeemed. The Common Units do not expire.

F14 · price: On December 16, 2019, WPE Partners Brigham Holdings requested that 5,384 shares of Class B common stock and 5,384 Common Units be redeemed, and Brigham LLC elected to redeem such securities for an aggregate of 5,384 shares of Class A common stock.

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F10 · ownership.nature: WPE E&P GP and WPE E&P LLC each indirectly holds, and therefore may be deemed to be the beneficial owner of, the shares of Class A common stock, Class B common stock and Common Units directly held by WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P Partners-A Brigham and WPE E&P-A Brigham.

SEC source: 0000899243-19-029587 · doc4.xml · nonDerivative · entry 1

Warburg Pincus & Co US, LLC · CIK 0001635320 · Director · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · Director · 10% owner

KAYE CHARLES R · CIK 0001239318 · Director

Landy Joseph P. · CIK 0001220638 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · By Brigham Parent Holdings, L.P.

Disclosed balance after: 3,856,823

F1 · ownership.nature: This Form 4 is filed on behalf of Warburg Pincus & Company US, LLC ("Warburg Pincus US") and certain of its affiliates including (a) Brigham Parent Holdings, L.P., a Delaware limited partnership ("Brigham Parent Holdings") and (b) Warburg Pincus Private Equity (E&P) XI-A (Brigham), LLC, a Delaware limited liability company ("WPPE E&P XI-A Brigham"), Warburg Pincus XI (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WP XI E&P Partners-A Brigham"), WP Brigham Holdings, L.P., a Delaware limited partnership ("WP Brigham Holdings"), Warburg Pincus Energy (E&P)-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P-A Brigham"),

F2 · ownership.nature: (continued from footnote 1) Warburg Pincus Energy (E&P) Partners-A (Brigham), LLC, a Delaware limited liability company ("WPE E&P Partners-A Brigham"), WP Energy Brigham Holdings, L.P., a Delaware limited partnership ("WPE Brigham Holdings"), and WP Energy Partners Brigham Holdings, L.P., a Delaware limited partnership ("WPE Partners Brigham Holdings" and, together with WPPE E&P XI-A Brigham, WP XI E&P Partners-A Brigham, WP Brigham Holdings, WPE E&P-A Brigham, WPE E&P Partners-A Brigham and WPE Brigham Holdings, the "WP Class B Owners").

F3 · ownership.nature: As of December 16, 2019, after consummation of all transactions reported herein, Brigham Parent Holdings directly held 3,856,823 shares of Class A common stock. As of December 16, 2019, the WP Class B Owners collectively directly held 6,027,999 shares of Class B common stock and 6,027,999 Brigham Minerals Holdings, LLC ("Brigham LLC") common units ("Common Units") of which 18,008 of each are directly held by WPE Partners Brigham Holdings, 137,522 of each are directly held by WPE E&P Partners-A Brigham, 216,521 of each are directly held by WP XI E&P Partners-A Brigham, 219,934 of each are directly held by WPE Brigham Holdings, 348,928 of each are directly held by WP Brigham Holdings, 2,276,984 of each are directly held by WPE E&P-A Brigham and 2,810,102 of each are directly held by WPPE E&P XI-A Brigham.

F4 · ownership.nature: Warburg Pincus Private Equity (E&P) XI-A, L.P., a Delaware limited partnership ("WPPE E&P XI-A"), is the sole member of WPPE E&P XI-A Brigham. Warburg Pincus XI (E&P) Partners-A, L.P., a Delaware limited partnership ("WP XI E&P Partners-A"), is the sole member of WP XI E&P Partners-A Brigham. Warburg Pincus Energy (E&P)-A, L.P., a Delaware limited partnership ("WPE E&P-A"), is the sole and managing member of WPE E&P-A Brigham. Warburg Pincus Energy (E&P) Partners-A, L.P., a Delaware limited partnership ("WPE E&P Partners-A"), is the sole and managing member of WPE E&P Partners-A Brigham.

F5 · ownership.nature: (continued from footnote 4) Warburg Pincus (E&P) XI, L.P., a Delaware limited partnership ("WP XI E&P GP"), is the general partner of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A and Brigham Parent Holdings. Warburg Pincus (E&P) XI LLC, a Delaware limited liability company ("WP XI E&P LLC"), is the general partner of WP XI E&P GP. Warburg Pincus Partners (E&P) XI LLC, a Delaware limited liability company ("WP Partners E&P XI LLC"), is the sole member of WP XI E&P LLC. Warburg Pincus Partners II (US), L.P., a Delaware limited partnership ("WPP II US"), is the managing member of WP Partners E&P XI LLC. Warburg Pincus US is the general partner of WPP II US.

F6 · ownership.nature: (continued from footnote 5) Warburg Pincus (E&P) Energy GP, L.P., a Delaware limited partnership ("WPE E&P GP"), is the general partner of each of WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A. Warburg Pincus (E&P) Energy LLC, a Delaware limited liability company ("WPE E&P LLC"), is the general partner of WPE E&P GP. WPP II US is the managing member of WPE E&P LLC. Warburg Pincus LLC, a New York limited liability company ("Warburg Pincus"), is the manager of each of WP Brigham Holdings, WPPE E&P XI-A, WP XI E&P Partners-A, WPE Brigham Holdings, WPE Partners Brigham Holdings, WPE E&P-A and WPE E&P Partners-A.

F7 · ownership.nature: Each of the foregoing entities are collectively referred to herein as the "Warburg Pincus Entities." Charles R. Kaye and Joseph P. Landy are each Managing General Partners of Warburg Pincus US and Managing Members and Co-Chief Executive Officers of Warburg Pincus and may be deemed to control the Warburg Pincus Entities.

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), (a) WP XI E&P GP, WP XI E&P LLC, WP Partners E&P XI LLC, WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock directly held by Brigham Parent Holdings, and (b) WPP II US, Warburg Pincus US, Warburg Pincus and Messrs. Kaye and Landy and certain affiliates may be deemed to be beneficial owners of the shares of Class A common stock, Class B common stock and Common Units directly held by the WP Class B Owners.

F9 · ownership.nature: The Warburg Pincus Entities, Messrs. Kaye and Landy and such affiliates (other than the WP Class B Owners) disclaim beneficial ownership of such shares of Class A common stock and such shares of Class B common stock and such Common Units except to the extent of their direct pecuniary interest therein. Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

SEC source: 0001104659-19-073241 · a4.xml · derivative · entry 4

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 41,443,188

Underlying: Class A Common Stock · 5,995,588 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 40,156,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 5,811,864 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on December 16, 2019.

F2 · derivative.exercise_price: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,286,878 shares of Class B Common Stock, having converted 183,724 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on December 16, 2019.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · price: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 40,156,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 5,811,864 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on December 16, 2019.

F2 · price: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,286,878 shares of Class B Common Stock, having converted 183,724 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on December 16, 2019.

F8 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 40,156,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 5,811,864 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on December 16, 2019.

F2 · derivative.exercise_date: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,286,878 shares of Class B Common Stock, having converted 183,724 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on December 16, 2019.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 40,156,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 5,811,864 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on December 16, 2019.

F2 · derivative.expiration_date: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,286,878 shares of Class B Common Stock, having converted 183,724 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on December 16, 2019.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 40,156,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 5,811,864 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on December 16, 2019.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,286,878 shares of Class B Common Stock, having converted 183,724 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on December 16, 2019.

F3 · ownership.nature: On December 16, 2019, the WPP Funds distributed an aggregate of 5,995,588 shares of Class A Common Stock to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities, with no consideration being paid in connection therewith (the "Distribution").

F4 · ownership.nature: Following the Distribution, entities of which Joseph P. Landy is the beneficial owner hold 77,542 shares of Class A Common Stock, having received such shares of Class A Common Stock in connection with the Distribution.

F5 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F6 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Messrs. Kaye and Landy disclaim beneficial ownership of all shares held by the Warburg Pincus Entities except to the extent of their pecuniary interest therein. Mr. Landy also serves as a director of the Issuer and is reporting on a separate Form 4.

F7 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-19-073241 · a4.xml · nonDerivative · entry 3

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,542

F4 · price: Following the Distribution, entities of which Joseph P. Landy is the beneficial owner hold 77,542 shares of Class A Common Stock, having received such shares of Class A Common Stock in connection with the Distribution.

SEC source: 0001104659-19-073241 · a4.xml · nonDerivative · entry 2

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F3 · price: On December 16, 2019, the WPP Funds distributed an aggregate of 5,995,588 shares of Class A Common Stock to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities, with no consideration being paid in connection therewith (the "Distribution").

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 40,156,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 5,811,864 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on December 16, 2019.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,286,878 shares of Class B Common Stock, having converted 183,724 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on December 16, 2019.

F3 · ownership.nature: On December 16, 2019, the WPP Funds distributed an aggregate of 5,995,588 shares of Class A Common Stock to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities, with no consideration being paid in connection therewith (the "Distribution").

F4 · ownership.nature: Following the Distribution, entities of which Joseph P. Landy is the beneficial owner hold 77,542 shares of Class A Common Stock, having received such shares of Class A Common Stock in connection with the Distribution.

F5 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F6 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Messrs. Kaye and Landy disclaim beneficial ownership of all shares held by the Warburg Pincus Entities except to the extent of their pecuniary interest therein. Mr. Landy also serves as a director of the Issuer and is reporting on a separate Form 4.

F7 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-19-073241 · a4.xml · nonDerivative · entry 1

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 5,995,588

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F8 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 40,156,310 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 5,811,864 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and distributed such shares of Class A Common Stock, each on December 16, 2019.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,286,878 shares of Class B Common Stock, having converted 183,724 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and distributed such shares of Class A Common Stock, each on December 16, 2019.

F3 · ownership.nature: On December 16, 2019, the WPP Funds distributed an aggregate of 5,995,588 shares of Class A Common Stock to their partners on a pro rata basis in accordance with their respective ownership interests as determined in accordance with the applicable limited partnership agreements of such entities, with no consideration being paid in connection therewith (the "Distribution").

F4 · ownership.nature: Following the Distribution, entities of which Joseph P. Landy is the beneficial owner hold 77,542 shares of Class A Common Stock, having received such shares of Class A Common Stock in connection with the Distribution.

F5 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F6 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Messrs. Kaye and Landy disclaim beneficial ownership of all shares held by the Warburg Pincus Entities except to the extent of their pecuniary interest therein. Mr. Landy also serves as a director of the Issuer and is reporting on a separate Form 4.

F7 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-19-071950 · a4.xml · derivative · entry 6

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 47,438,776

Underlying: Class A Common Stock · 5,000,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 45,968,174 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having (x) converted 2,422,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F2 · derivative.exercise_price: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,470,602 shares of Class B Common Stock, having (x) converted 77,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F6 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · price: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 45,968,174 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having (x) converted 2,422,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F2 · price: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,470,602 shares of Class B Common Stock, having (x) converted 77,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F6 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 45,968,174 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having (x) converted 2,422,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F2 · derivative.exercise_date: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,470,602 shares of Class B Common Stock, having (x) converted 77,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F6 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 45,968,174 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having (x) converted 2,422,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F2 · derivative.expiration_date: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,470,602 shares of Class B Common Stock, having (x) converted 77,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F6 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 45,968,174 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having (x) converted 2,422,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,470,602 shares of Class B Common Stock, having (x) converted 77,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F3 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F4 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities.

F5 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-19-071950 · a4.xml · nonDerivative · entry 4

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 45,968,174 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having (x) converted 2,422,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,470,602 shares of Class B Common Stock, having (x) converted 77,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F3 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F4 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities.

F5 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-19-071950 · a4.xml · nonDerivative · entry 3

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 5,000,000

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F6 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 45,968,174 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having (x) converted 2,422,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,470,602 shares of Class B Common Stock, having (x) converted 77,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F3 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F4 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities.

F5 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-19-071950 · a4.xml · derivative · entry 5

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 52,438,776

Underlying: Class A Common Stock · 2,500,000 shares

Expires not disclosed

Exercise/conversion can include RSU settlement. Transaction price and option strike are different fields; a missing price is not zero. Derivative and underlying rows can describe the same event.

F1 · derivative.exercise_price: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 45,968,174 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having (x) converted 2,422,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F2 · derivative.exercise_price: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,470,602 shares of Class B Common Stock, having (x) converted 77,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F6 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · price: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 45,968,174 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having (x) converted 2,422,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F2 · price: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,470,602 shares of Class B Common Stock, having (x) converted 77,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F6 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · derivative.exercise_date: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 45,968,174 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having (x) converted 2,422,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F2 · derivative.exercise_date: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,470,602 shares of Class B Common Stock, having (x) converted 77,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F6 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · derivative.expiration_date: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 45,968,174 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having (x) converted 2,422,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F2 · derivative.expiration_date: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,470,602 shares of Class B Common Stock, having (x) converted 77,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F6 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Person into one share of Class A Common Stock and has no expiration date. All shares of Class B Common Stock will automatically convert into shares of Class A Common Stock upon the occurrence of certain specified events.

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 45,968,174 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having (x) converted 2,422,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,470,602 shares of Class B Common Stock, having (x) converted 77,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F3 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F4 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities.

F5 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."

SEC source: 0001104659-19-071950 · a4.xml · nonDerivative · entry 2

Landy Joseph P. · CIK 0001220638 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F1 · ownership.nature: This Form 4 is filed on behalf of Joseph P. Landy. All shares indicated as indirectly owned by Mr. Landy are included because of his affiliation with the Warburg Pincus Entities (as defined below). Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities. Following the transactions reported in this Form 4, Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WPPE X"), is a holder of record of 45,968,174 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having (x) converted 2,422,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock of the Issuer (the "Class A Common Stock"), and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 4,845,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F2 · ownership.nature: Following the transactions reported in this Form 4, Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WPXP" and together with WPPE X, the "WPP Funds"), is a holder of record of 1,470,602 shares of Class B Common Stock, having (x) converted 77,500 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 9, 2019, and (y) converted 155,000 shares of Class B Common Stock into an equal number of shares of Class A Common Stock, and sold such shares of Class A Common Stock, each on December 10, 2019.

F3 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of the WPP Funds. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP"), is the general partner of WP X LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP. Warburg Pincus Partners, L.P., a Delaware limited partnership ("WP Partners"), is the managing member of WPP GP. Warburg Pincus Partners GP LLC, a Delaware limited liability company ("WP Partners GP"), is the general partner of WP Partners.

F4 · ownership.nature: Warburg Pincus & Co., a New York general partnership ("WP"), is the managing member of WP Partners GP. Warburg Pincus LLC, a New York limited liability company ("WP LLC"), is the manager of the WPP Funds. Charles R. Kaye and Joseph P. Landy are each Managing General Partners of WP and Managing Members and Co-Chief Executive Officers of WP LLC and may each be deemed to control the Warburg Pincus Entities. Mr. Landy disclaims beneficial ownership of all shares held by the Warburg Pincus Entities.

F5 · ownership.nature: Each of the WPP Funds, WP X LP, WP X GP, WPP GP, WP Partners, WP Partners GP, WP and WP LLC are collectively referred to herein as the "Warburg Pincus Entities."