X0609 4 2026-07-16 false 0001693256 Select Water Solutions, Inc. WTTR 0001539285 Schmitz John false 1820 N I-35 GAINESVILLE TX 76240 true true false false President & CEO false Class A Common Stock 2026-07-16 4 A false 250000.00 0.00 A 536436.00 D Class A Common Stock 274138.00 I By GRAT Class A Common Stock 274137.00 I By GRAT Class A Common Stock 497924.00 I By GRAT Class A Common Stock 497924.00 I By GRAT Class A Common Stock 13126.00 I By B-29 GP, LLC Class A Common Stock 249243.00 I By B-29 Investments, LP Class A Common Stock 1496626.00 I By Family Trust Class A Common Stock 31372.00 I By Family Trust for Child 1 Class A Common Stock 31373.00 I By Family Trust for Child 2 Class A Common Stock 31373.00 I By Family Trust for Child 3 Class A Common Stock 31372.00 I By Family Trust for Child 4 Class A Common Stock 31373.00 I By Family Trust for Child 5 Class A Common Stock 31373.00 I By Family Trust for Child 6 Performance Share Units 2026-07-16 4 A false 125000.00 0.00 A Class A Common Stock 125000.00 125000.00 D Performance Share Units 2026-07-16 4 A false 125000.00 0.00 A Class A Common Stock 125000.00 125000.00 D Performance Share Units 2026-07-16 4 A false 125000.00 0.00 A Class A Common Stock 125000.00 125000.00 D Performance Share Units 2026-07-16 4 A false 125000.00 0.00 A Class A Common Stock 125000.00 125000.00 D Performance Share Units 2026-07-16 4 A false 125000.00 0.00 A Class A Common Stock 125000.00 125000.00 D Performance Share Units 2026-07-16 4 A false 125000.00 0.00 A Class A Common Stock 125000.00 125000.00 D Performance Share Units 2026-07-16 4 A false 125000.00 0.00 A Class A Common Stock 125000.00 125000.00 D Performance Share Units 2026-07-16 4 A false 125000.00 0.00 A Class A Common Stock 125000.00 125000.00 D Performance Share Units 2026-07-16 4 A false 125000.00 0.00 A Class A Common Stock 125000.00 125000.00 D 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. 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. 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. 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. 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. 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. 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. Shares are held directly by the John David Schmitz 2024 Annuity Trust DTD November 13, 2024, of which the reporting person is the trustee. Shares are held directly by the Sandra Lee Schmitz 2024 Annuity Trust DTD November 13, 2024, of which the reporting person is the trustee. Shares are held directly by the John David Schmitz 2026 Annuity Trust DTD May 19, 2026, of which the reporting person is the trustee. Shares are held directly by the Sandra Lee Schmitz 2026 Annuity Trust DTD May 19, 2026, of which the reporting person is the trustee. 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. 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. 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. 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. /s/ John D Schmitz by Calla J Hackler, as Attorney-in-Fact 2026-07-20