WARBURG PINCUS & CO.

SEC source: 0001140361-20-020800 · form4.xml · derivative · entry 5

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

WPX GP, L.P. · CIK 0001770772 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WP X Finance, L.P. · CIK 0001770767 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 41,587 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.

F7 · derivative.exercise_price: The Series B redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series B redeemable convertible preferred stock converted into approximately 0.1139 Shares. These shares had no expiration date.

F7 · derivative.exercise_date: The Series B redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series B redeemable convertible preferred stock converted into approximately 0.1139 Shares. These shares had no expiration date.

F7 · derivative.expiration_date: The Series B redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series B redeemable convertible preferred stock converted into approximately 0.1139 Shares. These shares had no expiration date.

F1 · ownership.direct: These securities are held directly by Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners").

F3 · ownership.direct: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of WP X and WP X Partners. 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. 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.

F4 · ownership.direct: Each of the WPP Funds, WPX GP, WP X, 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."

F5 · ownership.direct: Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F1 · ownership.nature: These securities are held directly by Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners").

F3 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of WP X and WP X Partners. 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. 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.

F4 · ownership.nature: Each of the WPP Funds, WPX GP, WP X, 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."

F5 · ownership.nature: Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

SEC source: 0001140361-20-020800 · form4.xml · derivative · entry 4

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

WPX GP, L.P. · CIK 0001770772 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WP X Finance, L.P. · CIK 0001770767 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 3,666,039 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.

F6 · derivative.exercise_price: The Series A redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series A redeemable convertible preferred stock converted into approximately 0.0949 Shares. These shares had no expiration date.

F6 · derivative.exercise_date: The Series A redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series A redeemable convertible preferred stock converted into approximately 0.0949 Shares. These shares had no expiration date.

F6 · derivative.expiration_date: The Series A redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series A redeemable convertible preferred stock converted into approximately 0.0949 Shares. These shares had no expiration date.

F2 · ownership.direct: These securities are held directly by WP X Finance, L.P., a Delaware limited partnership ("WP X Finance", and together with WP X Partners, the "WPP Funds"). WPX GP, L.P., a Delaware limited partnership ("WPX GP"), is the managing general partner of WP X Finance. Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WP X"), is the general partner of WPX GP.

F3 · ownership.direct: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of WP X and WP X Partners. 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. 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.

F4 · ownership.direct: Each of the WPP Funds, WPX GP, WP X, 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."

F5 · ownership.direct: Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F2 · ownership.nature: These securities are held directly by WP X Finance, L.P., a Delaware limited partnership ("WP X Finance", and together with WP X Partners, the "WPP Funds"). WPX GP, L.P., a Delaware limited partnership ("WPX GP"), is the managing general partner of WP X Finance. Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WP X"), is the general partner of WPX GP.

F3 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of WP X and WP X Partners. 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. 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.

F4 · ownership.nature: Each of the WPP Funds, WPX GP, WP X, 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."

F5 · ownership.nature: Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

SEC source: 0001140361-20-020800 · form4.xml · derivative · entry 3

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

WPX GP, L.P. · CIK 0001770772 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WP X Finance, L.P. · CIK 0001770767 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

Underlying: Common Stock · 117,283 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.

F6 · derivative.exercise_price: The Series A redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series A redeemable convertible preferred stock converted into approximately 0.0949 Shares. These shares had no expiration date.

F6 · derivative.exercise_date: The Series A redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series A redeemable convertible preferred stock converted into approximately 0.0949 Shares. These shares had no expiration date.

F6 · derivative.expiration_date: The Series A redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series A redeemable convertible preferred stock converted into approximately 0.0949 Shares. These shares had no expiration date.

F1 · ownership.direct: These securities are held directly by Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners").

F3 · ownership.direct: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of WP X and WP X Partners. 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. 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.

F4 · ownership.direct: Each of the WPP Funds, WPX GP, WP X, 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."

F5 · ownership.direct: Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F1 · ownership.nature: These securities are held directly by Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners").

F3 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of WP X and WP X Partners. 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. 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.

F4 · ownership.nature: Each of the WPP Funds, WPX GP, WP X, 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."

F5 · ownership.nature: Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

SEC source: 0001140361-20-020800 · form4.xml · nonDerivative · entry 2

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

WPX GP, L.P. · CIK 0001770772 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WP X Finance, L.P. · CIK 0001770767 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 8,693,251

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: The Series A redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series A redeemable convertible preferred stock converted into approximately 0.0949 Shares. These shares had no expiration date.

F7 · price: The Series B redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series B redeemable convertible preferred stock converted into approximately 0.1139 Shares. These shares had no expiration date.

F8 · price: The Series C redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series C redeemable convertible preferred stock converted into approximately 0.1266 Shares. These shares had no expiration date.

F9 · price: The Series D redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series D redeemable convertible preferred stock converted into approximately 0.1671 Shares. These shares had no expiration date.

F2 · ownership.direct: These securities are held directly by WP X Finance, L.P., a Delaware limited partnership ("WP X Finance", and together with WP X Partners, the "WPP Funds"). WPX GP, L.P., a Delaware limited partnership ("WPX GP"), is the managing general partner of WP X Finance. Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WP X"), is the general partner of WPX GP.

F3 · ownership.direct: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of WP X and WP X Partners. 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. 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.

F4 · ownership.direct: Each of the WPP Funds, WPX GP, WP X, 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."

F5 · ownership.direct: Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F2 · ownership.nature: These securities are held directly by WP X Finance, L.P., a Delaware limited partnership ("WP X Finance", and together with WP X Partners, the "WPP Funds"). WPX GP, L.P., a Delaware limited partnership ("WPX GP"), is the managing general partner of WP X Finance. Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WP X"), is the general partner of WPX GP.

F3 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of WP X and WP X Partners. 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. 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.

F4 · ownership.nature: Each of the WPP Funds, WPX GP, WP X, 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."

F5 · ownership.nature: Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

SEC source: 0001140361-20-020800 · form4.xml · nonDerivative · entry 1

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

WPX GP, L.P. · CIK 0001770772 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WP X Finance, L.P. · CIK 0001770767 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 278,111

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: The Series A redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series A redeemable convertible preferred stock converted into approximately 0.0949 Shares. These shares had no expiration date.

F7 · price: The Series B redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series B redeemable convertible preferred stock converted into approximately 0.1139 Shares. These shares had no expiration date.

F8 · price: The Series C redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series C redeemable convertible preferred stock converted into approximately 0.1266 Shares. These shares had no expiration date.

F9 · price: The Series D redeemable convertible preferred stock automatically converted into Common Stock upon the closing of the IPO. Each share of Series D redeemable convertible preferred stock converted into approximately 0.1671 Shares. These shares had no expiration date.

F1 · ownership.direct: These securities are held directly by Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners").

F3 · ownership.direct: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of WP X and WP X Partners. 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. 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.

F4 · ownership.direct: Each of the WPP Funds, WPX GP, WP X, 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."

F5 · ownership.direct: Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

F1 · ownership.nature: These securities are held directly by Warburg Pincus X Partners, L.P., a Delaware limited partnership ("WP X Partners").

F3 · ownership.nature: Warburg Pincus X, L.P., a Delaware limited partnership ("WP X LP"), is the general partner of WP X and WP X Partners. 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. 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.

F4 · ownership.nature: Each of the WPP Funds, WPX GP, WP X, 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."

F5 · ownership.nature: Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

SEC source: 0001104659-20-078002 · a4.xml · derivative · entry 6

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

Underlying: Class A Common Stock · 233,337 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 the Warburg Pincus Entities (as defined below). 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 0 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 7,228,626 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 June 25, 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 0 shares of Class B Common Stock, having converted 233,337 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 June 25, 2020.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 0 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 7,228,626 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 June 25, 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 0 shares of Class B Common Stock, having converted 233,337 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 June 25, 2020.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 0 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 7,228,626 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 June 25, 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 0 shares of Class B Common Stock, having converted 233,337 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 June 25, 2020.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 0 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 7,228,626 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 June 25, 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 0 shares of Class B Common Stock, having converted 233,337 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 June 25, 2020.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 0 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 7,228,626 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 June 25, 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 0 shares of Class B Common Stock, having converted 233,337 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 June 25, 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.

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."

F6 · ownership.nature: Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

SEC source: 0001104659-20-078002 · a4.xml · derivative · entry 5

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

Underlying: Class A Common Stock · 7,228,626 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 the Warburg Pincus Entities (as defined below). 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 0 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 7,228,626 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 June 25, 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 0 shares of Class B Common Stock, having converted 233,337 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 June 25, 2020.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 0 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 7,228,626 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 June 25, 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 0 shares of Class B Common Stock, having converted 233,337 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 June 25, 2020.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 0 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 7,228,626 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 June 25, 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 0 shares of Class B Common Stock, having converted 233,337 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 June 25, 2020.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 0 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 7,228,626 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 June 25, 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 0 shares of Class B Common Stock, having converted 233,337 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 June 25, 2020.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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.

SEC source: 0001104659-20-078002 · a4.xml · nonDerivative · entry 4

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

Joint disclosure: these amounts are not allocated separately to each reporting 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 the Warburg Pincus Entities (as defined below). 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 0 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 7,228,626 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 June 25, 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 0 shares of Class B Common Stock, having converted 233,337 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 June 25, 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.

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."

F6 · ownership.nature: Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

SEC source: 0001104659-20-078002 · a4.xml · nonDerivative · entry 3

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001104659-20-078002 · a4.xml · nonDerivative · entry 2

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 233,337

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.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 0 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 7,228,626 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 June 25, 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 0 shares of Class B Common Stock, having converted 233,337 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 June 25, 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.

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."

F6 · ownership.nature: Each of the Warburg Pincus Entities is a director-by-deputization solely for purposes of Section 16 of the Exchange Act.

SEC source: 0001104659-20-078002 · a4.xml · nonDerivative · entry 1

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,228,626

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.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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.

SEC source: 0001104659-20-070075 · a4.xml · derivative · entry 6

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 233,337

Underlying: Class A Common Stock · 309,828 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 the Warburg Pincus Entities (as defined below). 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 7,228,626 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,684,027 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 June 4, 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 233,337 shares of Class B Common Stock, having converted 309,828 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 June 4, 2020.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 7,228,626 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,684,027 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 June 4, 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 233,337 shares of Class B Common Stock, having converted 309,828 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 June 4, 2020.

F8 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 7,228,626 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,684,027 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 June 4, 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 233,337 shares of Class B Common Stock, having converted 309,828 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 June 4, 2020.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 7,228,626 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,684,027 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 June 4, 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 233,337 shares of Class B Common Stock, having converted 309,828 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 June 4, 2020.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 7,228,626 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,684,027 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 June 4, 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 233,337 shares of Class B Common Stock, having converted 309,828 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 June 4, 2020.

F3 · ownership.nature: On June 4, 2020, the WPP Funds 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").

F4 · 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.

F5 · 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.

F6 · 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."

F7 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-070075 · a4.xml · derivative · entry 5

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,228,626

Underlying: Class A Common Stock · 9,684,027 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 the Warburg Pincus Entities (as defined below). 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 7,228,626 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,684,027 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 June 4, 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 233,337 shares of Class B Common Stock, having converted 309,828 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 June 4, 2020.

F8 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 7,228,626 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,684,027 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 June 4, 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 233,337 shares of Class B Common Stock, having converted 309,828 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 June 4, 2020.

F8 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 7,228,626 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,684,027 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 June 4, 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 233,337 shares of Class B Common Stock, having converted 309,828 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 June 4, 2020.

F8 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 7,228,626 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,684,027 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 June 4, 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 233,337 shares of Class B Common Stock, having converted 309,828 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 June 4, 2020.

F8 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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.

SEC source: 0001104659-20-070075 · a4.xml · nonDerivative · entry 4

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F3 · price: On June 4, 2020, the WPP Funds 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").

F1 · ownership.nature: This Form 4 is filed on behalf of the Warburg Pincus Entities (as defined below). 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 7,228,626 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,684,027 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 June 4, 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 233,337 shares of Class B Common Stock, having converted 309,828 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 June 4, 2020.

F3 · ownership.nature: On June 4, 2020, the WPP Funds 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").

F4 · 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.

F5 · 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.

F6 · 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."

F7 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-070075 · a4.xml · nonDerivative · entry 3

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · price: On June 4, 2020, the WPP Funds 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").

SEC source: 0001104659-20-070075 · a4.xml · nonDerivative · entry 2

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 309,828

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.

F7 · price: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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.

F1 · ownership.nature: This Form 4 is filed on behalf of the Warburg Pincus Entities (as defined below). 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 7,228,626 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,684,027 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 June 4, 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 233,337 shares of Class B Common Stock, having converted 309,828 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 June 4, 2020.

F3 · ownership.nature: On June 4, 2020, the WPP Funds 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").

F4 · 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.

F5 · 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.

F6 · 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."

F7 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-070075 · a4.xml · nonDerivative · entry 1

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,684,027

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.

F7 · price: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0000899243-20-012346 · doc4.xml · nonDerivative · entry 1

WARBURG PINCUS & CO. · CIK 0000929408 · 10% owner

WARBURG PINCUS LLC · CIK 0001162870 · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 1,021,223

F1 · shares: In connection with the Issuer's public offering, 4,733,641 shares were sold by WP X Finance, L.P. ("WP X Finance"), and 151,437 shares were sold by Warburg Pincus X Partners, L.P. ("WPXP"), each to the underwriters of the public offering.

F2 · price: Pursuant to an underwritten public offering of the Issuer's common stock (the "Offering"), on May 5, 2020, the Issuer, WP X Finance, WPXP and the underwriters of the Offering (the "Underwriter"), entered into an Underwriting Agreement (the "Underwriting Agreement"). Pursuant to the Underwriting Agreement, WP X Finance and WPXP sold an aggregate of 4,885,078 shares of common stock of the issuer to the Underwriters. The per share sale price reported in this Form 4 does not reflect underwriting discounts.

F3 · balance_after: 989,570 of these shares are held by WP X Finance and 31,653 of these shares are held by WPXP.

F4 · balance_after: WPX GP, L.P., a Delaware limited partnership ("WPX GP"), is the managing general partner of WP X Finance. Warburg Pincus Private Equity X, L.P., a Delaware limited partnership ("WP X"), is the general partner of WPX GP. Warburg Pincus X, L.P., a Delaware limited partnership ("WPX LP"), is the general partner of WP X and WPXP. Warburg Pincus X GP L.P., a Delaware limited partnership ("WP X GP LP"), is the general partner of WPX LP. WPP GP LLC, a Delaware limited liability company ("WPP GP"), is the general partner of WP X GP LP. 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.

F5 · balance_after: (continuation from footnote 4) 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 WP X Finance, WPXP, and WP X.

SEC source: 0001104659-20-044697 · a4.xml · derivative · entry 6

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 543,165

Underlying: Class A Common Stock · 310,000 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 the Warburg Pincus Entities (as defined below). 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 16,912,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,690,000 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 April 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 543,165 shares of Class B Common Stock, having converted 310,000 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 April 6, 2020.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 16,912,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,690,000 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 April 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 543,165 shares of Class B Common Stock, having converted 310,000 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 April 6, 2020.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 16,912,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,690,000 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 April 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 543,165 shares of Class B Common Stock, having converted 310,000 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 April 6, 2020.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 16,912,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,690,000 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 April 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 543,165 shares of Class B Common Stock, having converted 310,000 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 April 6, 2020.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 16,912,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,690,000 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 April 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 543,165 shares of Class B Common Stock, having converted 310,000 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 April 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.

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."

F6 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-044697 · a4.xml · derivative · entry 5

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,912,653

Underlying: Class A Common Stock · 9,690,000 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 the Warburg Pincus Entities (as defined below). 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 16,912,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,690,000 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 April 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 543,165 shares of Class B Common Stock, having converted 310,000 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 April 6, 2020.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 16,912,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,690,000 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 April 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 543,165 shares of Class B Common Stock, having converted 310,000 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 April 6, 2020.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 16,912,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,690,000 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 April 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 543,165 shares of Class B Common Stock, having converted 310,000 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 April 6, 2020.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 16,912,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,690,000 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 April 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 543,165 shares of Class B Common Stock, having converted 310,000 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 April 6, 2020.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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.

SEC source: 0001104659-20-044697 · a4.xml · nonDerivative · entry 4

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

Joint disclosure: these amounts are not allocated separately to each reporting 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 the Warburg Pincus Entities (as defined below). 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 16,912,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,690,000 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 April 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 543,165 shares of Class B Common Stock, having converted 310,000 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 April 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.

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."

F6 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-044697 · a4.xml · nonDerivative · entry 3

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001104659-20-044697 · a4.xml · nonDerivative · entry 2

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 310,000

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.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 16,912,653 shares of Class B Common Stock of the Issuer (the "Class B Common Stock"), having converted 9,690,000 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 April 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 543,165 shares of Class B Common Stock, having converted 310,000 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 April 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.

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."

F6 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-044697 · a4.xml · nonDerivative · entry 1

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director

Warburg Pincus X, L.P. · CIK 0001414561 · Director

Warburg Pincus X GP L.P. · CIK 0001414564 · Director

WPP GP LLC · CIK 0001621874 · Director

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director

WARBURG PINCUS & CO. · CIK 0000929408 · Director

WARBURG PINCUS LLC · CIK 0001162870 · Director

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,690,000

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.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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.

SEC source: 0001104659-20-003622 · a4.xml · derivative · entry 7

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 853,165

Underlying: Class A Common Stock · 278,713 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 the Warburg Pincus Entities (as defined below). 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.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F9 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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 of 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").

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. Mr. 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."

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-003622 · a4.xml · derivative · entry 6

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,602,653

Underlying: Class A Common Stock · 8,708,657 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 the Warburg Pincus Entities (as defined below). 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.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F9 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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.

SEC source: 0001104659-20-003622 · a4.xml · nonDerivative · entry 5

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 92,900

F4 · price: Following the Distribution, entities of which Charles R. Kaye is the beneficial owner hold 92,900 shares of Class A Common Stock, having received such shares of Class A Common Stock in connection with the Distribution.

F1 · ownership.nature: This Form 4 is filed on behalf of the Warburg Pincus Entities (as defined below). 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.

F3 · ownership.nature: On January 13, 2020, the WPP Funds distributed an aggregate of 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 Charles R. Kaye is the beneficial owner hold 92,900 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. Mr. 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."

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-003622 · a4.xml · nonDerivative · entry 4

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting 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 of 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 the Warburg Pincus Entities (as defined below). 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 of 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").

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. Mr. 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."

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-003622 · a4.xml · nonDerivative · entry 3

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

F3 · price: On January 13, 2020, the WPP Funds distributed an aggregate of 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").

SEC source: 0001104659-20-003622 · a4.xml · nonDerivative · entry 2

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 278,713

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: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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.

F1 · ownership.nature: This Form 4 is filed on behalf of the Warburg Pincus Entities (as defined below). 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 of 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").

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. Mr. 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."

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-003622 · a4.xml · nonDerivative · entry 1

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,708,657

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: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-002370 · a4.xml · derivative · entry 6

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,131,878

Underlying: Class A Common Stock · 155,000 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 the Warburg Pincus Entities (as defined below). 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.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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. 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.

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."

F6 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-002370 · a4.xml · derivative · entry 5

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,311,310

Underlying: Class A Common Stock · 4,845,000 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 the Warburg Pincus Entities (as defined below). 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.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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.

SEC source: 0001104659-20-002370 · a4.xml · nonDerivative · entry 4

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting 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 the Warburg Pincus Entities (as defined below). 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. 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.

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."

F6 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-002370 · a4.xml · nonDerivative · entry 3

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001104659-20-002370 · a4.xml · nonDerivative · entry 2

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 155,000

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.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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. 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.

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."

F6 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-20-002370 · a4.xml · nonDerivative · entry 1

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,845,000

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.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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.

SEC source: 0001104659-19-073242 · a4.xml · derivative · entry 7

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,286,878

Underlying: Class A Common Stock · 183,724 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 the Warburg Pincus Entities (as defined below). 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.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F9 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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").

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. Mr. 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."

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-19-073242 · a4.xml · derivative · entry 6

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,156,310

Underlying: Class A Common Stock · 5,811,864 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 the Warburg Pincus Entities (as defined below). 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.

F9 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F9 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F9 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F9 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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.

SEC source: 0001104659-19-073242 · a4.xml · nonDerivative · entry 5

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 67,750

F4 · price: Following the Distribution, entities of which Charles R. Kaye is the beneficial owner hold 67,750 shares of Class A Common Stock, having received such shares of Class A Common Stock in connection with the Distribution.

F1 · ownership.nature: This Form 4 is filed on behalf of the Warburg Pincus Entities (as defined below). 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.

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 Charles R. Kaye is the beneficial owner hold 67,750 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. Mr. 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."

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-19-073242 · a4.xml · nonDerivative · entry 4

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting 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 the Warburg Pincus Entities (as defined below). 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").

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. Mr. 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."

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-19-073242 · a4.xml · nonDerivative · entry 3

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

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").

SEC source: 0001104659-19-073242 · a4.xml · nonDerivative · entry 2

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 183,724

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: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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.

F1 · ownership.nature: This Form 4 is filed on behalf of the Warburg Pincus Entities (as defined below). 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").

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. Mr. 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."

F8 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-19-073242 · a4.xml · nonDerivative · entry 1

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,811,864

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: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-19-071951 · a4.xml · derivative · entry 12

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,470,602

Underlying: Class A Common Stock · 155,000 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 the Warburg Pincus Entities (as defined below). 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.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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. 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.

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."

F6 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-19-071951 · a4.xml · derivative · entry 11

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 45,968,174

Underlying: Class A Common Stock · 4,845,000 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 the Warburg Pincus Entities (as defined below). 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.

F7 · derivative.exercise_price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F7 · derivative.exercise_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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.

F7 · derivative.expiration_date: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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.

SEC source: 0001104659-19-071951 · a4.xml · nonDerivative · entry 8

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting 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 the Warburg Pincus Entities (as defined below). 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. 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.

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."

F6 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-19-071951 · a4.xml · nonDerivative · entry 7

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001104659-19-071951 · a4.xml · nonDerivative · entry 6

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 155,000

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.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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 the Warburg Pincus Entities (as defined below). 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. 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.

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."

F6 · ownership.nature: By reason of the provisions of Rule 16a-1 of the Securities Exchange Act of 1934, as amended (the "Exchange Act"), the Warburg Pincus Entities and certain affiliates may be deemed to be beneficial owners of the Class A Common Stock and Class B Common Stock held collectively by the WPP Funds. The Warburg Pincus Entities and such affiliates disclaim beneficial ownership of such Class A Common Stock and Class B Common Stock 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: 0001104659-19-071951 · a4.xml · nonDerivative · entry 5

Warburg Pincus Private Equity X, L.P. · CIK 0001414565 · Director · 10% owner

Warburg Pincus X Partners, L.P. · CIK 0001451560 · Director · 10% owner

Warburg Pincus X, L.P. · CIK 0001414561 · Director · 10% owner

Warburg Pincus X GP L.P. · CIK 0001414564 · Director · 10% owner

WPP GP LLC · CIK 0001621874 · Director · 10% owner

Warburg Pincus Partners, L.P. · CIK 0001621242 · Director · 10% owner

Warburg Pincus Partners GP LLC · CIK 0001621224 · Director · 10% owner

WARBURG PINCUS & CO. · CIK 0000929408 · Director · 10% owner

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

KAYE CHARLES R · CIK 0001239318 · Director · 10% owner

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

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,845,000

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.

F7 · price: Each share of Class B Common Stock is convertible at any time at the option of the Reporting Persons 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.