WTTR

SEC source: 0002011643-26-000008 · primarydocument.xml · nonDerivative · entry 1

Lyons Michael James · CIK 0002011643 · EVP, CSO & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,751

F1 · kind: Represents shares to be withheld by Select Water Solutions, Inc. (the "Issuer") to satisfy tax withholding obligations of the Reporting Person that arose upon the vesting of certain restricted stock.

SEC source: 0001539285-26-000011 · primarydocument.xml · derivative · entry 23

Schmitz John · CIK 0001539285 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Class A Common Stock · 125,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of Class A common stock of Select Water Solutions, Inc. (the "Issuer"), par value $0.01 per share ("Common Stock"), pursuant to the Plan.

F15 · derivative.exercise_price: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2028 to December 31, 2028, and if earned, shall vest on January 1, 2029.

F15 · deemedExecutionDate: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2028 to December 31, 2028, and if earned, shall vest on January 1, 2029.

F15 · shares: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2028 to December 31, 2028, and if earned, shall vest on January 1, 2029.

F15 · derivative.exercise_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2028 to December 31, 2028, and if earned, shall vest on January 1, 2029.

F15 · derivative.expiration_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2028 to December 31, 2028, and if earned, shall vest on January 1, 2029.

SEC source: 0001539285-26-000011 · primarydocument.xml · derivative · entry 22

Schmitz John · CIK 0001539285 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Class A Common Stock · 125,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of Class A common stock of Select Water Solutions, Inc. (the "Issuer"), par value $0.01 per share ("Common Stock"), pursuant to the Plan.

F14 · derivative.exercise_price: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from July 1, 2028 to September 30, 2028, and if earned, shall vest on January 1, 2029.

F14 · deemedExecutionDate: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from July 1, 2028 to September 30, 2028, and if earned, shall vest on January 1, 2029.

F14 · shares: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from July 1, 2028 to September 30, 2028, and if earned, shall vest on January 1, 2029.

F14 · derivative.exercise_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from July 1, 2028 to September 30, 2028, and if earned, shall vest on January 1, 2029.

F14 · derivative.expiration_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from July 1, 2028 to September 30, 2028, and if earned, shall vest on January 1, 2029.

SEC source: 0001539285-26-000011 · primarydocument.xml · derivative · entry 21

Schmitz John · CIK 0001539285 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Class A Common Stock · 125,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of Class A common stock of Select Water Solutions, Inc. (the "Issuer"), par value $0.01 per share ("Common Stock"), pursuant to the Plan.

F13 · derivative.exercise_price: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from April 1, 2028 to June 30, 2028, and if earned, shall vest on January 1, 2029.

F13 · deemedExecutionDate: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from April 1, 2028 to June 30, 2028, and if earned, shall vest on January 1, 2029.

F13 · shares: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from April 1, 2028 to June 30, 2028, and if earned, shall vest on January 1, 2029.

F13 · derivative.exercise_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from April 1, 2028 to June 30, 2028, and if earned, shall vest on January 1, 2029.

F13 · derivative.expiration_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from April 1, 2028 to June 30, 2028, and if earned, shall vest on January 1, 2029.

SEC source: 0001539285-26-000011 · primarydocument.xml · derivative · entry 20

Schmitz John · CIK 0001539285 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Class A Common Stock · 125,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of Class A common stock of Select Water Solutions, Inc. (the "Issuer"), par value $0.01 per share ("Common Stock"), pursuant to the Plan.

F12 · derivative.exercise_price: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from January 1, 2028 to March 31, 2028, and if earned, shall vest on January 1, 2029.

F12 · deemedExecutionDate: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from January 1, 2028 to March 31, 2028, and if earned, shall vest on January 1, 2029.

F12 · shares: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from January 1, 2028 to March 31, 2028, and if earned, shall vest on January 1, 2029.

F12 · derivative.exercise_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from January 1, 2028 to March 31, 2028, and if earned, shall vest on January 1, 2029.

F12 · derivative.expiration_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from January 1, 2028 to March 31, 2028, and if earned, shall vest on January 1, 2029.

SEC source: 0001539285-26-000011 · primarydocument.xml · derivative · entry 19

Schmitz John · CIK 0001539285 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Class A Common Stock · 125,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of Class A common stock of Select Water Solutions, Inc. (the "Issuer"), par value $0.01 per share ("Common Stock"), pursuant to the Plan.

F11 · derivative.exercise_price: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2027 to December 31, 2027, and if earned, shall vest on January 1, 2029.

F11 · deemedExecutionDate: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2027 to December 31, 2027, and if earned, shall vest on January 1, 2029.

F11 · shares: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2027 to December 31, 2027, and if earned, shall vest on January 1, 2029.

F11 · derivative.exercise_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2027 to December 31, 2027, and if earned, shall vest on January 1, 2029.

F11 · derivative.expiration_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2027 to December 31, 2027, and if earned, shall vest on January 1, 2029.

SEC source: 0001539285-26-000011 · primarydocument.xml · derivative · entry 18

Schmitz John · CIK 0001539285 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Class A Common Stock · 125,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of Class A common stock of Select Water Solutions, Inc. (the "Issuer"), par value $0.01 per share ("Common Stock"), pursuant to the Plan.

F10 · derivative.exercise_price: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from July 1, 2027 to September 30, 2027, and if earned, shall vest on January 1, 2029.

F10 · deemedExecutionDate: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from July 1, 2027 to September 30, 2027, and if earned, shall vest on January 1, 2029.

F10 · shares: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from July 1, 2027 to September 30, 2027, and if earned, shall vest on January 1, 2029.

F10 · derivative.exercise_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from July 1, 2027 to September 30, 2027, and if earned, shall vest on January 1, 2029.

F10 · derivative.expiration_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from July 1, 2027 to September 30, 2027, and if earned, shall vest on January 1, 2029.

SEC source: 0001539285-26-000011 · primarydocument.xml · derivative · entry 17

Schmitz John · CIK 0001539285 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Class A Common Stock · 125,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of Class A common stock of Select Water Solutions, Inc. (the "Issuer"), par value $0.01 per share ("Common Stock"), pursuant to the Plan.

F9 · derivative.exercise_price: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from April 1, 2027 to June 30, 2027, and if earned, shall vest on January 1, 2029.

F9 · deemedExecutionDate: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from April 1, 2027 to June 30, 2027, and if earned, shall vest on January 1, 2029.

F9 · shares: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from April 1, 2027 to June 30, 2027, and if earned, shall vest on January 1, 2029.

F9 · derivative.exercise_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from April 1, 2027 to June 30, 2027, and if earned, shall vest on January 1, 2029.

F9 · derivative.expiration_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from April 1, 2027 to June 30, 2027, and if earned, shall vest on January 1, 2029.

SEC source: 0001539285-26-000011 · primarydocument.xml · derivative · entry 16

Schmitz John · CIK 0001539285 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Class A Common Stock · 125,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of Class A common stock of Select Water Solutions, Inc. (the "Issuer"), par value $0.01 per share ("Common Stock"), pursuant to the Plan.

F8 · derivative.exercise_price: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from January 1, 2027 to March 31, 2027, and if earned, shall vest on January 1, 2029.

F8 · deemedExecutionDate: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from January 1, 2027 to March 31, 2027, and if earned, shall vest on January 1, 2029.

F8 · shares: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from January 1, 2027 to March 31, 2027, and if earned, shall vest on January 1, 2029.

F8 · derivative.exercise_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from January 1, 2027 to March 31, 2027, and if earned, shall vest on January 1, 2029.

F8 · derivative.expiration_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from January 1, 2027 to March 31, 2027, and if earned, shall vest on January 1, 2029.

SEC source: 0001539285-26-000011 · primarydocument.xml · derivative · entry 15

Schmitz John · CIK 0001539285 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 125,000

Underlying: Class A Common Stock · 125,000 shares

Expires not disclosed

F6 · derivative.exercise_price: Each performance share unit ("PSU") represents a contingent right to receive one share of Class A common stock of Select Water Solutions, Inc. (the "Issuer"), par value $0.01 per share ("Common Stock"), pursuant to the Plan.

F7 · derivative.exercise_price: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2026 to December 31, 2026, and if earned, shall vest on January 1, 2029.

F7 · deemedExecutionDate: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2026 to December 31, 2026, and if earned, shall vest on January 1, 2029.

F7 · shares: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2026 to December 31, 2026, and if earned, shall vest on January 1, 2029.

F7 · derivative.exercise_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2026 to December 31, 2026, and if earned, shall vest on January 1, 2029.

F7 · derivative.expiration_date: The target number of PSUs granted are eligible to be earned based on the achievement of a certain average closing price of the Issuer's Stock over the period from October 1, 2026 to December 31, 2026, and if earned, shall vest on January 1, 2029.

SEC source: 0001539285-26-000011 · primarydocument.xml · nonDerivative · entry 1

Schmitz John · CIK 0001539285 · Director · President & CEO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 536,436

F1 · kind: These shares of restricted stock, granted under the Select Water Solutions, Inc. 2024 Equity Incentive Plan (the "Plan"), will vest 1/2 on July 16, 2028, and 1/2 on October 1, 2028.

SEC source: 0001817414-26-000009 · primarydocument.xml · nonDerivative · entry 1

George Christopher Kile · CIK 0001817414 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 340,275

F1 · kind: Represents shares to be withheld by Select Water Solutions, Inc. (the "Issuer") to satisfy tax withholding obligations of the Reporting Person that arose upon the vesting of certain restricted stock.

SEC source: 0000950142-26-001473 · es260783292_4-wttr.xml · derivative · entry 5

Crestview Partners II GP, L.P. · CIK 0001505639 · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 11,158,101

Underlying: Class A Shares · 2,632,760 shares

Expires not disclosed

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

F1 · derivative.exercise_price: Reflects shares of Class A Common Stock of the Issuer ("Class A Shares") sold by Crestview Partners II SES Investment B, LLC ("Crestview II SES B").

F6 · derivative.exercise_price: Represents Units of SES Holdings, indirectly owned by Crestview II SES through Legacy Holdings. The Units are redeemable by Legacy Holdings at any time in exchange for newly-issued Class A Shares on a one-for-one basis (subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions) (or, at the election of SES Holdings or the Issuer, cash in an amount equal to the Cash Election Value of such Class A Shares (as defined in the SES Holdings LLC Agreement to be the trailing 10-day VWAP of the Class A Shares)).

F1 · price: Reflects shares of Class A Common Stock of the Issuer ("Class A Shares") sold by Crestview Partners II SES Investment B, LLC ("Crestview II SES B").

F6 · price: Represents Units of SES Holdings, indirectly owned by Crestview II SES through Legacy Holdings. The Units are redeemable by Legacy Holdings at any time in exchange for newly-issued Class A Shares on a one-for-one basis (subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions) (or, at the election of SES Holdings or the Issuer, cash in an amount equal to the Cash Election Value of such Class A Shares (as defined in the SES Holdings LLC Agreement to be the trailing 10-day VWAP of the Class A Shares)).

F1 · derivative.exercise_date: Reflects shares of Class A Common Stock of the Issuer ("Class A Shares") sold by Crestview Partners II SES Investment B, LLC ("Crestview II SES B").

F6 · derivative.exercise_date: Represents Units of SES Holdings, indirectly owned by Crestview II SES through Legacy Holdings. The Units are redeemable by Legacy Holdings at any time in exchange for newly-issued Class A Shares on a one-for-one basis (subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions) (or, at the election of SES Holdings or the Issuer, cash in an amount equal to the Cash Election Value of such Class A Shares (as defined in the SES Holdings LLC Agreement to be the trailing 10-day VWAP of the Class A Shares)).

F1 · derivative.expiration_date: Reflects shares of Class A Common Stock of the Issuer ("Class A Shares") sold by Crestview Partners II SES Investment B, LLC ("Crestview II SES B").

F6 · derivative.expiration_date: Represents Units of SES Holdings, indirectly owned by Crestview II SES through Legacy Holdings. The Units are redeemable by Legacy Holdings at any time in exchange for newly-issued Class A Shares on a one-for-one basis (subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions) (or, at the election of SES Holdings or the Issuer, cash in an amount equal to the Cash Election Value of such Class A Shares (as defined in the SES Holdings LLC Agreement to be the trailing 10-day VWAP of the Class A Shares)).

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B, the "Crestview Entities") through Legacy Holdings.

F7 · ownership.nature: Crestview Partners II GP, L.P. may be deemed to have beneficial ownership of the Class A Shares held by Crestview II SES B and the Class B Shares and Common LLC Units of SES Holdings indirectly held by Crestview II SES. Crestview Partners II GP, L.P. exercises voting and dispositive power over the foregoing Class A Shares, Class B Shares and Common LLC Units held by the Crestview Entities, which decisions are made by the investment committee of Crestview Partners II GP, L.P. and the Chairman of the investment committee.

F8 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000950142-26-001473 · es260783292_4-wttr.xml · nonDerivative · entry 4

Crestview Partners II GP, L.P. · CIK 0001505639 · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B, the "Crestview Entities") through Legacy Holdings.

F7 · ownership.nature: Crestview Partners II GP, L.P. may be deemed to have beneficial ownership of the Class A Shares held by Crestview II SES B and the Class B Shares and Common LLC Units of SES Holdings indirectly held by Crestview II SES. Crestview Partners II GP, L.P. exercises voting and dispositive power over the foregoing Class A Shares, Class B Shares and Common LLC Units held by the Crestview Entities, which decisions are made by the investment committee of Crestview Partners II GP, L.P. and the Chairman of the investment committee.

F8 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000950142-26-001473 · es260783292_4-wttr.xml · nonDerivative · entry 3

Crestview Partners II GP, L.P. · CIK 0001505639 · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 11,158,101

F2 · kind: Reflects the redemption (the "Redemption") by the Reporting Persons of Common LLC Units ("Units") of SES Holdings, LLC ("SES Holdings"), a subsidiary of the Issuer, indirectly owned by Crestview Partners II SES Investment, LLC ("Crestview II SES") through SES Legacy Holdings, LLC ("Legacy Holdings").

F3 · kind: Reflects the cancellation for no consideration of a number shares of Class B Common Stock of the Issuer ("Class B Shares") indirectly owned by Crestview II SES through Legacy Holdings equal to the number of Units redeemed by the Reporting Persons pursuant to their terms in connection with the Redemption.

F2 · price: Reflects the redemption (the "Redemption") by the Reporting Persons of Common LLC Units ("Units") of SES Holdings, LLC ("SES Holdings"), a subsidiary of the Issuer, indirectly owned by Crestview Partners II SES Investment, LLC ("Crestview II SES") through SES Legacy Holdings, LLC ("Legacy Holdings").

F3 · price: Reflects the cancellation for no consideration of a number shares of Class B Common Stock of the Issuer ("Class B Shares") indirectly owned by Crestview II SES through Legacy Holdings equal to the number of Units redeemed by the Reporting Persons pursuant to their terms in connection with the Redemption.

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B, the "Crestview Entities") through Legacy Holdings.

F7 · ownership.nature: Crestview Partners II GP, L.P. may be deemed to have beneficial ownership of the Class A Shares held by Crestview II SES B and the Class B Shares and Common LLC Units of SES Holdings indirectly held by Crestview II SES. Crestview Partners II GP, L.P. exercises voting and dispositive power over the foregoing Class A Shares, Class B Shares and Common LLC Units held by the Crestview Entities, which decisions are made by the investment committee of Crestview Partners II GP, L.P. and the Chairman of the investment committee.

F8 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000950142-26-001473 · es260783292_4-wttr.xml · nonDerivative · entry 2

Crestview Partners II GP, L.P. · CIK 0001505639 · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,632,760

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

F2 · kind: Reflects the redemption (the "Redemption") by the Reporting Persons of Common LLC Units ("Units") of SES Holdings, LLC ("SES Holdings"), a subsidiary of the Issuer, indirectly owned by Crestview Partners II SES Investment, LLC ("Crestview II SES") through SES Legacy Holdings, LLC ("Legacy Holdings").

F2 · price: Reflects the redemption (the "Redemption") by the Reporting Persons of Common LLC Units ("Units") of SES Holdings, LLC ("SES Holdings"), a subsidiary of the Issuer, indirectly owned by Crestview Partners II SES Investment, LLC ("Crestview II SES") through SES Legacy Holdings, LLC ("Legacy Holdings").

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B, the "Crestview Entities") through Legacy Holdings.

F7 · ownership.nature: Crestview Partners II GP, L.P. may be deemed to have beneficial ownership of the Class A Shares held by Crestview II SES B and the Class B Shares and Common LLC Units of SES Holdings indirectly held by Crestview II SES. Crestview Partners II GP, L.P. exercises voting and dispositive power over the foregoing Class A Shares, Class B Shares and Common LLC Units held by the Crestview Entities, which decisions are made by the investment committee of Crestview Partners II GP, L.P. and the Chairman of the investment committee.

F8 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000950142-26-001473 · es260783292_4-wttr.xml · nonDerivative · entry 1

Crestview Partners II GP, L.P. · CIK 0001505639 · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,615,972

F1 · kind: Reflects shares of Class A Common Stock of the Issuer ("Class A Shares") sold by Crestview Partners II SES Investment B, LLC ("Crestview II SES B").

F4 · ownership.nature: Reflects Class A Shares directly beneficially owned by Crestview II SES B.

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B, the "Crestview Entities") through Legacy Holdings.

F8 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0001600737-26-000004 · primarydocument.xml · nonDerivative · entry 2

Burnett Richard Alan · CIK 0001600737 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 71,578

F2 · price: This transaction was executed in multiple trades at prices ranging from $18.70 USD to $18.79 USD; the price reported above reflects the weighted average sale price. The reporting person undertakes to provide to Select Water Solutions, Inc., a Delaware corporation (the "Issuer"), any security holder of the Issuer or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

SEC source: 0001600737-26-000004 · primarydocument.xml · nonDerivative · entry 1

Burnett Richard Alan · CIK 0001600737 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 116,894

F1 · price: This transaction was executed in multiple trades at prices ranging from $18.70 USD to $18.795 USD; the price reported above reflects the weighted average sale price. The reporting person undertakes to provide to Select Water Solutions, Inc., a Delaware corporation (the "Issuer"), any security holder of the Issuer or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

SEC source: 0001721029-26-000008 · primarydocument.xml · nonDerivative · entry 2

Skarke Michael · CIK 0001721029 · EVP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 360,738

F2 · price: This transaction was executed in multiple trades at prices ranging from $17.52 USD to $18.10 USD; the price reported above reflects the weighted average sale price. The reporting person undertakes to provide to Select Water Solutions, Inc., a Delaware corporation (the "Issuer"), any security holder of the Issuer or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

SEC source: 0001721029-26-000008 · primarydocument.xml · nonDerivative · entry 1

Skarke Michael · CIK 0001721029 · EVP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 380,738

F1 · price: This transaction was executed in multiple trades at prices ranging from $16.715 USD to $17.610 USD; the price reported above reflects the weighted average sale price. The reporting person undertakes to provide to Select Water Solutions, Inc., a Delaware corporation (the "Issuer'), any security holder of the Issuer or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

SEC source: 0001743069-26-000008 · primarydocument.xml · nonDerivative · entry 1

Szymanski Brian · CIK 0001743069 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 114,752

SEC source: 0001759725-26-000002 · primarydocument.xml · nonDerivative · entry 2

Fielder Robin H · CIK 0001759725 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 43,315

F2 · price: This transaction was executed in multiple trades at prices ranging from $16.55 USD to $16.95 USD; the price reported above reflects the weighted average sale price. The reporting person undertakes to provide to Select Water Solutions, Inc., a Delaware corporation (the "Issuer"), any security holder of the Issuer or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

SEC source: 0002055518-26-000002 · primarydocument.xml · nonDerivative · entry 1

Roberts Timothy A. · CIK 0002055518 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,868

F1 · kind: These shares of restricted stock, granted under the Select Water Solutions, Inc. 2024 Equity Incentive Plan, will vest on May 6, 2027.

SEC source: 0002054973-26-000002 · primarydocument.xml · nonDerivative · entry 1

Cope Bruce E. · CIK 0002054973 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 26,868

F1 · kind: These shares of restricted stock, granted under the Select Water Solutions, Inc. 2024 Equity Incentive Plan, will vest on May 6, 2027.

SEC source: 0001759725-26-000002 · primarydocument.xml · nonDerivative · entry 1

Fielder Robin H · CIK 0001759725 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 70,325

F1 · kind: These shares of restricted stock, granted under the Select Water Solutions, Inc. 2024 Equity Incentive Plan, will vest on May 6, 2027.

SEC source: 0001434786-26-000003 · primarydocument.xml · nonDerivative · entry 1

FERNANDEZ-MORENO LUIS M · CIK 0001434786 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 78,652

F1 · kind: These shares of restricted stock, granted under the Select Water Solutions, Inc. 2024 Equity Incentive Plan, will vest on May 6, 2027.

SEC source: 0001600737-26-000002 · primarydocument.xml · nonDerivative · entry 1

Burnett Richard Alan · CIK 0001600737 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 136,578

F1 · kind: These shares of restricted stock, granted under the Select Water Solutions, Inc. 2024 Equity Incentive Plan, will vest on May 6, 2027.

SEC source: 0001706715-26-000002 · primarydocument.xml · nonDerivative · entry 1

Burleson Gayle · CIK 0001706715 · Director

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 95,214

F1 · kind: These shares of restricted stock, granted under the Select Water Solutions, Inc. 2024 Equity Incentive Plan, will vest on May 6, 2027.

SEC source: 0000950142-26-001095 · es260761784_4-wttr.xml · derivative · entry 5

Crestview Partners II GP, L.P. · CIK 0001505639 · Director · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · Director · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · Director · 10% owner

Crestview Advisors, L.L.C. · CIK 0001559054 · Director · 10% owner

Delaney Robert V. Jr. · CIK 0001641555 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,790,861

Underlying: Class A Shares · 2,430,240 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: Reflects 569,760 shares of Class A Common Stock of the Issuer (?Class A Shares?) sold by Crestview Partners II SES Investment B, LLC (?Crestview II SES B?), and 96,223 Class A Shares sold by Crestview Advisors, L.L.C.

F6 · derivative.exercise_price: Represents Units of SES Holdings, indirectly owned by Crestview II SES through Legacy Holdings. The Units are redeemable by Legacy Holdings at any time in exchange for newly-issued Class A Shares on a one-for-one basis (subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions) (or, at the election of SES Holdings or the Issuer, cash in an amount equal to the Cash Election Value of such Class A Shares (as defined in the SES Holdings LLC Agreement to be the trailing 10-day VWAP of the Class A Shares)).

F1 · price: Reflects 569,760 shares of Class A Common Stock of the Issuer (?Class A Shares?) sold by Crestview Partners II SES Investment B, LLC (?Crestview II SES B?), and 96,223 Class A Shares sold by Crestview Advisors, L.L.C.

F6 · price: Represents Units of SES Holdings, indirectly owned by Crestview II SES through Legacy Holdings. The Units are redeemable by Legacy Holdings at any time in exchange for newly-issued Class A Shares on a one-for-one basis (subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions) (or, at the election of SES Holdings or the Issuer, cash in an amount equal to the Cash Election Value of such Class A Shares (as defined in the SES Holdings LLC Agreement to be the trailing 10-day VWAP of the Class A Shares)).

F1 · derivative.exercise_date: Reflects 569,760 shares of Class A Common Stock of the Issuer (?Class A Shares?) sold by Crestview Partners II SES Investment B, LLC (?Crestview II SES B?), and 96,223 Class A Shares sold by Crestview Advisors, L.L.C.

F6 · derivative.exercise_date: Represents Units of SES Holdings, indirectly owned by Crestview II SES through Legacy Holdings. The Units are redeemable by Legacy Holdings at any time in exchange for newly-issued Class A Shares on a one-for-one basis (subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions) (or, at the election of SES Holdings or the Issuer, cash in an amount equal to the Cash Election Value of such Class A Shares (as defined in the SES Holdings LLC Agreement to be the trailing 10-day VWAP of the Class A Shares)).

F1 · derivative.expiration_date: Reflects 569,760 shares of Class A Common Stock of the Issuer (?Class A Shares?) sold by Crestview Partners II SES Investment B, LLC (?Crestview II SES B?), and 96,223 Class A Shares sold by Crestview Advisors, L.L.C.

F6 · derivative.expiration_date: Represents Units of SES Holdings, indirectly owned by Crestview II SES through Legacy Holdings. The Units are redeemable by Legacy Holdings at any time in exchange for newly-issued Class A Shares on a one-for-one basis (subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions) (or, at the election of SES Holdings or the Issuer, cash in an amount equal to the Cash Election Value of such Class A Shares (as defined in the SES Holdings LLC Agreement to be the trailing 10-day VWAP of the Class A Shares)).

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B and Crestview Advisors, L.L.C., the ?Crestview Entities?) through Legacy Holdings.

F7 · ownership.nature: Crestview Partners II GP, L.P. may be deemed to have beneficial ownership of the Class A Shares held by Crestview II SES B and Crestview Advisors, L.LC. and the Class B Shares and Common LLC Units of SES Holdings indirectly held by Crestview II SES. Crestview Partners II GP, L.P. exercises voting and dispositive power over the foregoing Class A Shares, Class B Shares and Common LLC Units held by the Crestview Entities, which decisions are made by the investment committee of Crestview Partners II GP, L.P. and the Chairman of the investment committee.

F8 · ownership.nature: Robert V. Delaney, Jr. is a member of the Issuer's board of directors and is an indirect member of each of Crestview, L.L.C. (which is the general partner of Crestview Partners II GP, L.P.) and Crestview Advisors, L.L.C., which provides investment advisory and management services to certain of the foregoing Crestview Entities.

F9 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000950142-26-001095 · es260761784_4-wttr.xml · nonDerivative · entry 4

Crestview Partners II GP, L.P. · CIK 0001505639 · Director · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · Director · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · Director · 10% owner

Crestview Advisors, L.L.C. · CIK 0001559054 · Director · 10% owner

Delaney Robert V. Jr. · CIK 0001641555 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B and Crestview Advisors, L.L.C., the ?Crestview Entities?) through Legacy Holdings.

F7 · ownership.nature: Crestview Partners II GP, L.P. may be deemed to have beneficial ownership of the Class A Shares held by Crestview II SES B and Crestview Advisors, L.LC. and the Class B Shares and Common LLC Units of SES Holdings indirectly held by Crestview II SES. Crestview Partners II GP, L.P. exercises voting and dispositive power over the foregoing Class A Shares, Class B Shares and Common LLC Units held by the Crestview Entities, which decisions are made by the investment committee of Crestview Partners II GP, L.P. and the Chairman of the investment committee.

F8 · ownership.nature: Robert V. Delaney, Jr. is a member of the Issuer's board of directors and is an indirect member of each of Crestview, L.L.C. (which is the general partner of Crestview Partners II GP, L.P.) and Crestview Advisors, L.L.C., which provides investment advisory and management services to certain of the foregoing Crestview Entities.

F9 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000950142-26-001095 · es260761784_4-wttr.xml · nonDerivative · entry 3

Crestview Partners II GP, L.P. · CIK 0001505639 · Director · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · Director · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · Director · 10% owner

Crestview Advisors, L.L.C. · CIK 0001559054 · Director · 10% owner

Delaney Robert V. Jr. · CIK 0001641555 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,790,861

F2 · kind: Reflects the redemption (the ?Redemption?) by the Reporting Persons of Common LLC Units (?Units?) of SES Holdings, LLC (?SES Holdings?), a subsidiary of the Issuer, indirectly owned by Crestview Partners II SES Investment, LLC (?Crestview II SES?) though SES Legacy Holdings, LLC (?Legacy Holdings?).

F3 · kind: Reflects the cancellation for no consideration of a number shares of Class B Common Stock of the Issuer (?Class B Shares?) indirectly owned by Crestview II SES though Legacy Holdings equal to the number of Units redeemed by the Reporting Persons pursuant to their terms in connection with the Redemption.

F2 · price: Reflects the redemption (the ?Redemption?) by the Reporting Persons of Common LLC Units (?Units?) of SES Holdings, LLC (?SES Holdings?), a subsidiary of the Issuer, indirectly owned by Crestview Partners II SES Investment, LLC (?Crestview II SES?) though SES Legacy Holdings, LLC (?Legacy Holdings?).

F3 · price: Reflects the cancellation for no consideration of a number shares of Class B Common Stock of the Issuer (?Class B Shares?) indirectly owned by Crestview II SES though Legacy Holdings equal to the number of Units redeemed by the Reporting Persons pursuant to their terms in connection with the Redemption.

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B and Crestview Advisors, L.L.C., the ?Crestview Entities?) through Legacy Holdings.

F7 · ownership.nature: Crestview Partners II GP, L.P. may be deemed to have beneficial ownership of the Class A Shares held by Crestview II SES B and Crestview Advisors, L.LC. and the Class B Shares and Common LLC Units of SES Holdings indirectly held by Crestview II SES. Crestview Partners II GP, L.P. exercises voting and dispositive power over the foregoing Class A Shares, Class B Shares and Common LLC Units held by the Crestview Entities, which decisions are made by the investment committee of Crestview Partners II GP, L.P. and the Chairman of the investment committee.

F8 · ownership.nature: Robert V. Delaney, Jr. is a member of the Issuer's board of directors and is an indirect member of each of Crestview, L.L.C. (which is the general partner of Crestview Partners II GP, L.P.) and Crestview Advisors, L.L.C., which provides investment advisory and management services to certain of the foregoing Crestview Entities.

F9 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000950142-26-001095 · es260761784_4-wttr.xml · nonDerivative · entry 2

Crestview Partners II GP, L.P. · CIK 0001505639 · Director · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · Director · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · Director · 10% owner

Crestview Advisors, L.L.C. · CIK 0001559054 · Director · 10% owner

Delaney Robert V. Jr. · CIK 0001641555 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,430,240

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 · kind: Reflects the redemption (the ?Redemption?) by the Reporting Persons of Common LLC Units (?Units?) of SES Holdings, LLC (?SES Holdings?), a subsidiary of the Issuer, indirectly owned by Crestview Partners II SES Investment, LLC (?Crestview II SES?) though SES Legacy Holdings, LLC (?Legacy Holdings?).

F2 · price: Reflects the redemption (the ?Redemption?) by the Reporting Persons of Common LLC Units (?Units?) of SES Holdings, LLC (?SES Holdings?), a subsidiary of the Issuer, indirectly owned by Crestview Partners II SES Investment, LLC (?Crestview II SES?) though SES Legacy Holdings, LLC (?Legacy Holdings?).

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B and Crestview Advisors, L.L.C., the ?Crestview Entities?) through Legacy Holdings.

F7 · ownership.nature: Crestview Partners II GP, L.P. may be deemed to have beneficial ownership of the Class A Shares held by Crestview II SES B and Crestview Advisors, L.LC. and the Class B Shares and Common LLC Units of SES Holdings indirectly held by Crestview II SES. Crestview Partners II GP, L.P. exercises voting and dispositive power over the foregoing Class A Shares, Class B Shares and Common LLC Units held by the Crestview Entities, which decisions are made by the investment committee of Crestview Partners II GP, L.P. and the Chairman of the investment committee.

F8 · ownership.nature: Robert V. Delaney, Jr. is a member of the Issuer's board of directors and is an indirect member of each of Crestview, L.L.C. (which is the general partner of Crestview Partners II GP, L.P.) and Crestview Advisors, L.L.C., which provides investment advisory and management services to certain of the foregoing Crestview Entities.

F9 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000950142-26-001095 · es260761784_4-wttr.xml · nonDerivative · entry 1

Crestview Partners II GP, L.P. · CIK 0001505639 · Director · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · Director · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · Director · 10% owner

Crestview Advisors, L.L.C. · CIK 0001559054 · Director · 10% owner

Delaney Robert V. Jr. · CIK 0001641555 · Director

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 3,233,212

F1 · kind: Reflects 569,760 shares of Class A Common Stock of the Issuer (?Class A Shares?) sold by Crestview Partners II SES Investment B, LLC (?Crestview II SES B?), and 96,223 Class A Shares sold by Crestview Advisors, L.L.C.

F4 · ownership.nature: Reflects 3,233,212 Class A Shares directly beneficially owned by Crestview II SES B.

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B and Crestview Advisors, L.L.C., the ?Crestview Entities?) through Legacy Holdings.

F8 · ownership.nature: Robert V. Delaney, Jr. is a member of the Issuer's board of directors and is an indirect member of each of Crestview, L.L.C. (which is the general partner of Crestview Partners II GP, L.P.) and Crestview Advisors, L.L.C., which provides investment advisory and management services to certain of the foregoing Crestview Entities.

F9 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000950142-26-001112 · es260764680_4a-wttr.xml · derivative · entry 5

Crestview Partners II GP, L.P. · CIK 0001505639 · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · 10% owner

Crestview Advisors, L.L.C. · CIK 0001559054 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,790,861

Underlying: Class A Shares · 2,430,240 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: Reflects 569,760 shares of Class A Common Stock of the Issuer ("Class A Shares") sold by Crestview Partners II SES Investment B, LLC ("Crestview II SES B"), and 96,223 Class A Shares sold by Crestview Advisors, L.L.C.

F6 · derivative.exercise_price: Represents Units of SES Holdings, indirectly owned by Crestview II SES through Legacy Holdings. The Units are redeemable by Legacy Holdings at any time in exchange for newly-issued Class A Shares on a one-for-one basis (subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions) (or, at the election of SES Holdings or the Issuer, cash in an amount equal to the Cash Election Value of such Class A Shares (as defined in the SES Holdings LLC Agreement to be the trailing 10-day VWAP of the Class A Shares)).

F1 · price: Reflects 569,760 shares of Class A Common Stock of the Issuer ("Class A Shares") sold by Crestview Partners II SES Investment B, LLC ("Crestview II SES B"), and 96,223 Class A Shares sold by Crestview Advisors, L.L.C.

F6 · price: Represents Units of SES Holdings, indirectly owned by Crestview II SES through Legacy Holdings. The Units are redeemable by Legacy Holdings at any time in exchange for newly-issued Class A Shares on a one-for-one basis (subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions) (or, at the election of SES Holdings or the Issuer, cash in an amount equal to the Cash Election Value of such Class A Shares (as defined in the SES Holdings LLC Agreement to be the trailing 10-day VWAP of the Class A Shares)).

F1 · derivative.exercise_date: Reflects 569,760 shares of Class A Common Stock of the Issuer ("Class A Shares") sold by Crestview Partners II SES Investment B, LLC ("Crestview II SES B"), and 96,223 Class A Shares sold by Crestview Advisors, L.L.C.

F6 · derivative.exercise_date: Represents Units of SES Holdings, indirectly owned by Crestview II SES through Legacy Holdings. The Units are redeemable by Legacy Holdings at any time in exchange for newly-issued Class A Shares on a one-for-one basis (subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions) (or, at the election of SES Holdings or the Issuer, cash in an amount equal to the Cash Election Value of such Class A Shares (as defined in the SES Holdings LLC Agreement to be the trailing 10-day VWAP of the Class A Shares)).

F1 · derivative.expiration_date: Reflects 569,760 shares of Class A Common Stock of the Issuer ("Class A Shares") sold by Crestview Partners II SES Investment B, LLC ("Crestview II SES B"), and 96,223 Class A Shares sold by Crestview Advisors, L.L.C.

F6 · derivative.expiration_date: Represents Units of SES Holdings, indirectly owned by Crestview II SES through Legacy Holdings. The Units are redeemable by Legacy Holdings at any time in exchange for newly-issued Class A Shares on a one-for-one basis (subject to conversion rate adjustments for stock splits, stock dividends, reclassification and other similar transactions) (or, at the election of SES Holdings or the Issuer, cash in an amount equal to the Cash Election Value of such Class A Shares (as defined in the SES Holdings LLC Agreement to be the trailing 10-day VWAP of the Class A Shares)).

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B and Crestview Advisors, L.L.C., the "Crestview Entities") through Legacy Holdings.

F7 · ownership.nature: Crestview Partners II GP, L.P. may be deemed to have beneficial ownership of the Class A Shares held by Crestview II SES B and Crestview Advisors, L.LC. and the Class B Shares and Common LLC Units of SES Holdings indirectly held by Crestview II SES. Crestview Partners II GP, L.P. exercises voting and dispositive power over the foregoing Class A Shares, Class B Shares and Common LLC Units held by the Crestview Entities, which decisions are made by the investment committee of Crestview Partners II GP, L.P. and the Chairman of the investment committee.

F8 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000950142-26-001112 · es260764680_4a-wttr.xml · nonDerivative · entry 4

Crestview Partners II GP, L.P. · CIK 0001505639 · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · 10% owner

Crestview Advisors, L.L.C. · CIK 0001559054 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B and Crestview Advisors, L.L.C., the "Crestview Entities") through Legacy Holdings.

F7 · ownership.nature: Crestview Partners II GP, L.P. may be deemed to have beneficial ownership of the Class A Shares held by Crestview II SES B and Crestview Advisors, L.LC. and the Class B Shares and Common LLC Units of SES Holdings indirectly held by Crestview II SES. Crestview Partners II GP, L.P. exercises voting and dispositive power over the foregoing Class A Shares, Class B Shares and Common LLC Units held by the Crestview Entities, which decisions are made by the investment committee of Crestview Partners II GP, L.P. and the Chairman of the investment committee.

F8 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000950142-26-001112 · es260764680_4a-wttr.xml · nonDerivative · entry 3

Crestview Partners II GP, L.P. · CIK 0001505639 · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · 10% owner

Crestview Advisors, L.L.C. · CIK 0001559054 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 13,790,861

F2 · kind: Reflects the redemption (the "Redemption") by the Reporting Persons of Common LLC Units ("Units") of SES Holdings, LLC ("SES Holdings"), a subsidiary of the Issuer, indirectly owned by Crestview Partners II SES Investment, LLC ("Crestview II SES") though SES Legacy Holdings, LLC ("Legacy Holdings").

F3 · kind: Reflects the cancellation for no consideration of a number shares of Class B Common Stock of the Issuer ("Class B Shares") indirectly owned by Crestview II SES though Legacy Holdings equal to the number of Units redeemed by the Reporting Persons pursuant to their terms in connection with the Redemption.

F2 · price: Reflects the redemption (the "Redemption") by the Reporting Persons of Common LLC Units ("Units") of SES Holdings, LLC ("SES Holdings"), a subsidiary of the Issuer, indirectly owned by Crestview Partners II SES Investment, LLC ("Crestview II SES") though SES Legacy Holdings, LLC ("Legacy Holdings").

F3 · price: Reflects the cancellation for no consideration of a number shares of Class B Common Stock of the Issuer ("Class B Shares") indirectly owned by Crestview II SES though Legacy Holdings equal to the number of Units redeemed by the Reporting Persons pursuant to their terms in connection with the Redemption.

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B and Crestview Advisors, L.L.C., the "Crestview Entities") through Legacy Holdings.

F7 · ownership.nature: Crestview Partners II GP, L.P. may be deemed to have beneficial ownership of the Class A Shares held by Crestview II SES B and Crestview Advisors, L.LC. and the Class B Shares and Common LLC Units of SES Holdings indirectly held by Crestview II SES. Crestview Partners II GP, L.P. exercises voting and dispositive power over the foregoing Class A Shares, Class B Shares and Common LLC Units held by the Crestview Entities, which decisions are made by the investment committee of Crestview Partners II GP, L.P. and the Chairman of the investment committee.

F8 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000950142-26-001112 · es260764680_4a-wttr.xml · nonDerivative · entry 2

Crestview Partners II GP, L.P. · CIK 0001505639 · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · 10% owner

Crestview Advisors, L.L.C. · CIK 0001559054 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 2,430,240

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 · kind: Reflects the redemption (the "Redemption") by the Reporting Persons of Common LLC Units ("Units") of SES Holdings, LLC ("SES Holdings"), a subsidiary of the Issuer, indirectly owned by Crestview Partners II SES Investment, LLC ("Crestview II SES") though SES Legacy Holdings, LLC ("Legacy Holdings").

F2 · price: Reflects the redemption (the "Redemption") by the Reporting Persons of Common LLC Units ("Units") of SES Holdings, LLC ("SES Holdings"), a subsidiary of the Issuer, indirectly owned by Crestview Partners II SES Investment, LLC ("Crestview II SES") though SES Legacy Holdings, LLC ("Legacy Holdings").

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B and Crestview Advisors, L.L.C., the "Crestview Entities") through Legacy Holdings.

F7 · ownership.nature: Crestview Partners II GP, L.P. may be deemed to have beneficial ownership of the Class A Shares held by Crestview II SES B and Crestview Advisors, L.LC. and the Class B Shares and Common LLC Units of SES Holdings indirectly held by Crestview II SES. Crestview Partners II GP, L.P. exercises voting and dispositive power over the foregoing Class A Shares, Class B Shares and Common LLC Units held by the Crestview Entities, which decisions are made by the investment committee of Crestview Partners II GP, L.P. and the Chairman of the investment committee.

F8 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0000950142-26-001112 · es260764680_4a-wttr.xml · nonDerivative · entry 1

Crestview Partners II GP, L.P. · CIK 0001505639 · 10% owner

Crestview Partners II SES Investment B, LLC · CIK 0001699717 · 10% owner

Crestview Partners II SES Investment, LLC · CIK 0001699719 · 10% owner

Crestview Advisors, L.L.C. · CIK 0001559054 · 10% owner

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

10b5-1 filing: No plan indicated

Ownership: Indirect · See Footnotes

Disclosed balance after: 3,233,212

F1 · kind: Reflects 569,760 shares of Class A Common Stock of the Issuer ("Class A Shares") sold by Crestview Partners II SES Investment B, LLC ("Crestview II SES B"), and 96,223 Class A Shares sold by Crestview Advisors, L.L.C.

F4 · ownership.nature: Reflects 3,233,212 Class A Shares directly beneficially owned by Crestview II SES B.

F5 · ownership.nature: Represents Class B Shares indirectly beneficially owned by Crestview II SES (together with Crestview II SES B and Crestview Advisors, L.L.C., the "Crestview Entities") through Legacy Holdings.

F8 · ownership.nature: Each Reporting Person disclaims beneficial ownership of the reported securities except to the extent of its pecuniary interest therein.

SEC source: 0002125336-26-000004 · primarydocument.xml · nonDerivative · entry 2

WILSON ROBERT ALLEN · CIK 0002125336 · SVP, General Counsel & CCO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 49,690

F2 · kind: These shares of restricted stock, granted under the Select Water Solutions, Inc. 2024 Equity Incentive Plan, will vest 1/3 on April 1, 2027, 1/3 on April 1, 2028, and 1/3 on April 1, 2029.

SEC source: 0002125336-26-000004 · primarydocument.xml · nonDerivative · entry 1

WILSON ROBERT ALLEN · CIK 0002125336 · SVP, General Counsel & CCO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 24,138

F1 · kind: These shares of restricted stock, granted under the Select Water Solutions, Inc. 2024 Equity Incentive Plan, will vest on April 1, 2028.

SEC source: 0002011643-26-000006 · primarydocument.xml · nonDerivative · entry 2

Lyons Michael James · CIK 0002011643 · EVP, CSO & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 144,595

F2 · kind: Represents shares to be withheld by Select Water Solutions, Inc., a Delaware corporation ("the Issuer") to satisfy tax withholding obligations of the reporting person that arose upon vesting of the PSUs.

SEC source: 0002011643-26-000006 · primarydocument.xml · nonDerivative · entry 1

Lyons Michael James · CIK 0002011643 · EVP, CSO & CTO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 148,025

F1 · kind: The reported shares are represented by performance share units ("PSUs") earned pursuant to the terms of a performance share unit award granted on February 24, 2023, to the reporting person for which the performance conditions were satisfied.

SEC source: 0001817414-26-000006 · primarydocument.xml · nonDerivative · entry 2

George Christopher Kile · CIK 0001817414 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 341,005

F2 · kind: Represents shares to be withheld by Select Water Solutions, Inc., a Delaware corporation ("the Issuer") to satisfy tax withholding obligations of the reporting person that arose upon vesting of the PSUs.

SEC source: 0001817414-26-000006 · primarydocument.xml · nonDerivative · entry 1

George Christopher Kile · CIK 0001817414 · EVP & CFO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 351,108

F1 · kind: The reported shares are represented by performance share units ("PSUs") earned pursuant to the terms of a performance share unit award granted on February 24, 2023, to the reporting person for which the performance conditions were satisfied.

SEC source: 0001721029-26-000006 · primarydocument.xml · nonDerivative · entry 2

Skarke Michael · CIK 0001721029 · EVP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 470,738

F2 · kind: Represents shares to be withheld by Select Water Solutions, Inc., a Delaware corporation ("the Issuer") to satisfy tax withholding obligations of the reporting person that arose upon vesting of the PSUs.

SEC source: 0001721029-26-000006 · primarydocument.xml · nonDerivative · entry 1

Skarke Michael · CIK 0001721029 · EVP & COO

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 482,327

F1 · kind: The reported shares are represented by performance share units ("PSUs") earned pursuant to the terms of a performance share unit award granted on February 24, 2023, to the reporting person for which the performance conditions were satisfied.

SEC source: 0001743069-26-000006 · primarydocument.xml · nonDerivative · entry 2

Szymanski Brian · CIK 0001743069 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 134,752

F2 · kind: Represents shares to be withheld by Select Water Solutions, Inc., a Delaware corporation ("the Issuer") to satisfy tax withholding obligations of the reporting person that arose upon vesting of the PSUs.

SEC source: 0001743069-26-000006 · primarydocument.xml · nonDerivative · entry 1

Szymanski Brian · CIK 0001743069 · Chief Accounting Officer

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 142,595

F1 · kind: The reported shares are represented by performance share units ("PSUs") earned pursuant to the terms of a performance share unit award granted on February 24, 2023, to the reporting person for which the performance conditions were satisfied.

SEC source: 0001698465-26-000008 · primarydocument.xml · nonDerivative · entry 2

Ortowski Cody · CIK 0001698465 · EVP, Business Strategy

10b5-1 filing: No plan indicated

Ownership: Direct

Disclosed balance after: 419,087

F2 · kind: Represents shares to be withheld by Select Water Solutions, Inc., a Delaware corporation ("the Issuer") to satisfy tax withholding obligations of the reporting person that arose upon vesting of the PSUs.