SEI

SEC source: 0001104659-17-068918 · a4.xml · nonDerivative · entry 11

Zartler William A · CIK 0001520378 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 820,266

F4 · security: Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

F1 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

SEC source: 0001104659-17-068918 · a4.xml · nonDerivative · entry 8

Zartler William A · CIK 0001520378 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 222,850

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 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F3 · ownership.nature: Represents shares held by Solaris Energy Capital, LLC ("Solaris Energy Capital"). The Reporting Person is the sole member of Solaris Energy Capital and has the authority to vote or dispose of the shares held by Solaris Energy Capital in his sole discretion. The Reporting Person disclaims beneficial ownership of the shares held by Solaris Energy Capital in excess of his pecuniary interest therein.

SEC source: 0001104659-17-068918 · a4.xml · nonDerivative · entry 7

Zartler William A · CIK 0001520378 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 117,616

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 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F2 · balance_after: Includes 77,911 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.

SEC source: 0001104659-17-068918 · a4.xml · nonDerivative · entry 4

Zartler William A · CIK 0001520378 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 0

F3 · ownership.nature: Represents shares held by Solaris Energy Capital, LLC ("Solaris Energy Capital"). The Reporting Person is the sole member of Solaris Energy Capital and has the authority to vote or dispose of the shares held by Solaris Energy Capital in his sole discretion. The Reporting Person disclaims beneficial ownership of the shares held by Solaris Energy Capital in excess of his pecuniary interest therein.

SEC source: 0001104659-17-068918 · a4.xml · nonDerivative · entry 3

Zartler William A · CIK 0001520378 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,911

F2 · balance_after: Includes 77,911 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.

SEC source: 0000899243-17-026445 · doc4.xml · derivative · entry 8

Yorktown Energy Partners X, L.P. · CIK 0001577919 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,362,622

Underlying: Class A Common Stock · 553,112 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.

F3 · derivative.exercise_price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · derivative.exercise_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · derivative.expiration_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

SEC source: 0000899243-17-026445 · doc4.xml · nonDerivative · entry 6

Yorktown Energy Partners X, L.P. · CIK 0001577919 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,362,622

F2 · security: Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

F1 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by Yorktown Energy Partners X, L.P., a Delaware limited partnership ("Yorktown X"), of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein.

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by Yorktown Energy Partners X, L.P., a Delaware limited partnership ("Yorktown X"), of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein.

SEC source: 0000899243-17-026445 · doc4.xml · nonDerivative · entry 4

Yorktown Energy Partners X, L.P. · CIK 0001577919 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 553,112

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 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by Yorktown Energy Partners X, L.P., a Delaware limited partnership ("Yorktown X"), of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein.

SEC source: 0000899243-17-026445 · doc4.xml · nonDerivative · entry 2

Yorktown Energy Partners X, L.P. · CIK 0001577919 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001104659-17-068923 · a4.xml · derivative · entry 8

Solaris Energy Capital, LLC · CIK 0001705554 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,980,940

Underlying: Class A Common Stock · 222,850 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.

F3 · derivative.exercise_price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · derivative.exercise_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · derivative.expiration_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

SEC source: 0001104659-17-068923 · a4.xml · nonDerivative · entry 6

Solaris Energy Capital, LLC · CIK 0001705554 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 4,980,940

F1 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein

SEC source: 0001104659-17-068923 · a4.xml · nonDerivative · entry 4

Solaris Energy Capital, LLC · CIK 0001705554 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 222,850

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 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein

SEC source: 0001104659-17-068923 · a4.xml · nonDerivative · entry 2

Solaris Energy Capital, LLC · CIK 0001705554 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 0

SEC source: 0001104659-17-068920 · a4.xml · derivative · entry 8

Durrett Cynthia M. · CIK 0001705383 · Chief Administrative Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 186,257

Underlying: Class A Common Stock · 11,201 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.

F4 · derivative.exercise_price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · derivative.exercise_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · derivative.expiration_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

SEC source: 0001104659-17-068920 · a4.xml · nonDerivative · entry 6

Durrett Cynthia M. · CIK 0001705383 · Chief Administrative Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 186,257

F3 · security: Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

F1 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

SEC source: 0001104659-17-068920 · a4.xml · nonDerivative · entry 4

Durrett Cynthia M. · CIK 0001705383 · Chief Administrative Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,713

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.

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F2 · balance_after: Includes 29,512 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.

SEC source: 0001104659-17-068920 · a4.xml · nonDerivative · entry 2

Durrett Cynthia M. · CIK 0001705383 · Chief Administrative Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 29,512

F2 · balance_after: Includes 29,512 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.

SEC source: 0001104659-17-068919 · a4.xml · derivative · entry 9

Ramachandran Kyle S. · CIK 0001705386 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 552,448

Underlying: Class A Common Stock · 29,119 shares

Expires not disclosed

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

F4 · derivative.exercise_price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · derivative.exercise_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · derivative.expiration_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

SEC source: 0001104659-17-068919 · a4.xml · nonDerivative · entry 6

Ramachandran Kyle S. · CIK 0001705386 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 552,448

F3 · security: Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

F1 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

SEC source: 0001104659-17-068919 · a4.xml · nonDerivative · entry 4

Ramachandran Kyle S. · CIK 0001705386 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 183,546

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 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F2 · balance_after: Includes 154,427 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting .

SEC source: 0001104659-17-068919 · a4.xml · nonDerivative · entry 2

Ramachandran Kyle S. · CIK 0001705386 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,427

F2 · balance_after: Includes 154,427 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting .

SEC source: 0000899243-17-026449 · doc4.xml · derivative · entry 7

Yorktown X Associates LLC · CIK 0001687161 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,915,734

Underlying: Class A Common Stock · 2,107,089 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.

F5 · derivative.exercise_price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F5 · price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F5 · derivative.exercise_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F5 · derivative.expiration_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · ownership.nature: These securities are owned directly by Yorktown X. The reporting person is the general partner of Yorktown X Company LP, the general partner of Yorktown X.

SEC source: 0000899243-17-026449 · doc4.xml · nonDerivative · entry 3

Yorktown X Associates LLC · CIK 0001687161 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,915,734

F4 · security: Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

F1 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by Yorktown Energy Partners X, L.P., a Delaware limited partnership ("Yorktown X"), of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein.

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by Yorktown Energy Partners X, L.P., a Delaware limited partnership ("Yorktown X"), of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein.

F2 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F3 · ownership.nature: These securities are owned directly by Yorktown X. The reporting person is the general partner of Yorktown X Company LP, the general partner of Yorktown X.

SEC source: 0000899243-17-026449 · doc4.xml · nonDerivative · entry 1

Yorktown X Associates LLC · CIK 0001687161 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,107,089

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 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by Yorktown Energy Partners X, L.P., a Delaware limited partnership ("Yorktown X"), of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein.

F2 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F3 · ownership.nature: These securities are owned directly by Yorktown X. The reporting person is the general partner of Yorktown X Company LP, the general partner of Yorktown X.

SEC source: 0001104659-17-068921 · a4.xml · derivative · entry 7

BURKE JAMES R · CIK 0001227489 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,730

Underlying: Class A Common Stock · 19,325 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.

F4 · derivative.exercise_price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · derivative.exercise_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · derivative.expiration_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

SEC source: 0001104659-17-068921 · a4.xml · nonDerivative · entry 3

BURKE JAMES R · CIK 0001227489 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 109,730

F3 · security: Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

F1 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

SEC source: 0001104659-17-068921 · a4.xml · nonDerivative · entry 1

BURKE JAMES R · CIK 0001227489 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 26,495

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 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F2 · balance_after: Includes 7,170 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.

SEC source: 0001104659-17-068917 · a4.xml · derivative · entry 8

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,915,734

Underlying: Class A Common Stock · 2,107,089 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: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F6 · price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F6 · derivative.exercise_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F6 · derivative.expiration_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · ownership.nature: These securities are owned directly by Yorktown X. The reporting person is a member and manager of Yorktown X Associates LLC, the general partner of Yorktown X Company LP, the general partner of Yorktown X.

SEC source: 0001104659-17-068917 · a4.xml · nonDerivative · entry 4

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 12,915,734

F5 · security: Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

F2 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by Yorktown Energy Partners X, L.P., a Delaware limited partnership ("Yorktown X"), of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 1 above).

F2 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by Yorktown Energy Partners X, L.P., a Delaware limited partnership ("Yorktown X"), of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 1 above).

F3 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F4 · ownership.nature: These securities are owned directly by Yorktown X. The reporting person is a member and manager of Yorktown X Associates LLC, the general partner of Yorktown X Company LP, the general partner of Yorktown X.

SEC source: 0001104659-17-068917 · a4.xml · nonDerivative · entry 2

Keenan W Howard JR · CIK 0001370287 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 2,107,089

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.

F2 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by Yorktown Energy Partners X, L.P., a Delaware limited partnership ("Yorktown X"), of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 1 above).

F3 · balance_after: The reporting person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and this report shall not be deemed an admission that the reporting person is the beneficial owner of the securities for Section 16 or any other purpose.

F4 · ownership.nature: These securities are owned directly by Yorktown X. The reporting person is a member and manager of Yorktown X Associates LLC, the general partner of Yorktown X Company LP, the general partner of Yorktown X.

SEC source: 0001104659-17-068918 · a4.xml · derivative · entry 14

Zartler William A · CIK 0001520378 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 5,203,790

Underlying: Class A Common Stock · 848,954 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.

F5 · derivative.exercise_price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F5 · price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F5 · derivative.exercise_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F5 · derivative.expiration_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · ownership.nature: Represents shares held by Solaris Energy Capital, LLC ("Solaris Energy Capital"). The Reporting Person is the sole member of Solaris Energy Capital and has the authority to vote or dispose of the shares held by Solaris Energy Capital in his sole discretion. The Reporting Person disclaims beneficial ownership of the shares held by Solaris Energy Capital in excess of his pecuniary interest therein.

SEC source: 0001104659-17-068918 · a4.xml · derivative · entry 13

Zartler William A · CIK 0001520378 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 859,971

Underlying: Class A Common Stock · 151,259 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.

F5 · derivative.exercise_price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F5 · price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F5 · derivative.exercise_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F5 · derivative.expiration_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

SEC source: 0001104659-17-068918 · a4.xml · nonDerivative · entry 6

Zartler William A · CIK 0001520378 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 5,203,790

F4 · security: Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

F1 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F3 · ownership.nature: Represents shares held by Solaris Energy Capital, LLC ("Solaris Energy Capital"). The Reporting Person is the sole member of Solaris Energy Capital and has the authority to vote or dispose of the shares held by Solaris Energy Capital in his sole discretion. The Reporting Person disclaims beneficial ownership of the shares held by Solaris Energy Capital in excess of his pecuniary interest therein.

SEC source: 0001104659-17-068918 · a4.xml · nonDerivative · entry 5

Zartler William A · CIK 0001520378 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 859,971

F4 · security: Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

F1 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

SEC source: 0001104659-17-068918 · a4.xml · nonDerivative · entry 2

Zartler William A · CIK 0001520378 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnote

Disclosed balance after: 848,954

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 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F3 · ownership.nature: Represents shares held by Solaris Energy Capital, LLC ("Solaris Energy Capital"). The Reporting Person is the sole member of Solaris Energy Capital and has the authority to vote or dispose of the shares held by Solaris Energy Capital in his sole discretion. The Reporting Person disclaims beneficial ownership of the shares held by Solaris Energy Capital in excess of his pecuniary interest therein.

SEC source: 0001104659-17-068918 · a4.xml · nonDerivative · entry 1

Zartler William A · CIK 0001520378 · Director · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 229,170

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 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F2 · balance_after: Includes 77,911 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.

SEC source: 0000899243-17-026445 · doc4.xml · derivative · entry 7

Yorktown Energy Partners X, L.P. · CIK 0001577919 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,915,734

Underlying: Class A Common Stock · 2,107,089 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.

F3 · derivative.exercise_price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · derivative.exercise_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · derivative.expiration_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

SEC source: 0000899243-17-026445 · doc4.xml · nonDerivative · entry 3

Yorktown Energy Partners X, L.P. · CIK 0001577919 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,915,734

F2 · security: Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

F1 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by Yorktown Energy Partners X, L.P., a Delaware limited partnership ("Yorktown X"), of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein.

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by Yorktown Energy Partners X, L.P., a Delaware limited partnership ("Yorktown X"), of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein.

SEC source: 0000899243-17-026445 · doc4.xml · nonDerivative · entry 1

Yorktown Energy Partners X, L.P. · CIK 0001577919 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 2,107,089

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 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by Yorktown Energy Partners X, L.P., a Delaware limited partnership ("Yorktown X"), of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein.

SEC source: 0001104659-17-068923 · a4.xml · derivative · entry 7

Solaris Energy Capital, LLC · CIK 0001705554 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,203,790

Underlying: Class A Common Stock · 848,954 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.

F3 · derivative.exercise_price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · derivative.exercise_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F3 · derivative.expiration_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

SEC source: 0001104659-17-068923 · a4.xml · nonDerivative · entry 3

Solaris Energy Capital, LLC · CIK 0001705554 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,203,790

F2 · security: Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

F1 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein

SEC source: 0001104659-17-068923 · a4.xml · nonDerivative · entry 1

Solaris Energy Capital, LLC · CIK 0001705554 · 10% owner

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 848,954

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 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein

SEC source: 0001104659-17-068920 · a4.xml · derivative · entry 7

Durrett Cynthia M. · CIK 0001705383 · Chief Administrative Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 197,458

Underlying: Class A Common Stock · 42,672 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.

F4 · derivative.exercise_price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · derivative.exercise_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · derivative.expiration_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

SEC source: 0001104659-17-068920 · a4.xml · nonDerivative · entry 3

Durrett Cynthia M. · CIK 0001705383 · Chief Administrative Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 197,458

F3 · security: Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

F1 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

SEC source: 0001104659-17-068920 · a4.xml · nonDerivative · entry 1

Durrett Cynthia M. · CIK 0001705383 · Chief Administrative Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,184

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 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F2 · balance_after: Includes 29,512 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting.

SEC source: 0001104659-17-068919 · a4.xml · derivative · entry 8

Ramachandran Kyle S. · CIK 0001705386 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 581,567

Underlying: Class A Common Stock · 110,929 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.

F4 · derivative.exercise_price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · price: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · derivative.exercise_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

F4 · derivative.expiration_date: Subject to the terms of the Solaris LLC Agreement, the Solaris LLC Units (together with a corresponding number of shares of Class B common stock) are exchangeable from time to time for shares of Class A common stock of the Issuer.

SEC source: 0001104659-17-068919 · a4.xml · nonDerivative · entry 3

Ramachandran Kyle S. · CIK 0001705386 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 581,567

F3 · security: Each share of Class B common stock has no economic rights but entitles its holder to one vote on all matters to be voted on by stockholders generally.

F1 · kind: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F1 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

SEC source: 0001104659-17-068919 · a4.xml · nonDerivative · entry 1

Ramachandran Kyle S. · CIK 0001705386 · Chief Financial Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 265,356

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 · price: Pursuant to the Second Amended and Restated Limited Liability Company Agreement of Solaris Oilfield Infrastructure, LLC ("Solaris LLC"), dated as of May 11, 2017, included as Exhibit 10.1 to the Issuer's Current Report on Form 8-K filed May 17, 2017 (the "Solaris LLC Agreement"), the shares of the Issuer's Class B common stock reported herein were cancelled for no consideration on a one-for-one basis upon the redemption by the Reporting Person of units in Solaris LLC ("Solaris LLC Units") (together with a corresponding number of shares of Class B common stock) for the shares of the Issuer's Class A common stock reported herein (except the shares of Class A common stock described in footnote 2 below).

F2 · balance_after: Includes 154,427 shares of Class A common stock subject to previously granted Restricted Stock Awards that remain subject to vesting .

SEC source: 0001104659-17-053718 · a4.xml · nonDerivative · entry 1

PARKER F GARDNER · CIK 0001020949 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,170

F1 · kind: Restricted Stock Award pursuant to the Solaris Oilfield Infrastructure, Inc. Long Term Incentive Plan. The award vests in full on the first anniversary of the grant date.

SEC source: 0001104659-17-053715 · a4.xml · nonDerivative · entry 1

Giesinger Edgar R. JR. · CIK 0001658831 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,170

F1 · kind: Restricted Stock Award pursuant to the Solaris Oilfield Infrastructure, Inc. Long Term Incentive Plan. The award vests in full on the first anniversary of the grant date.