OF THIS CURRENT REPORT, INCLUDING EXHIBIT 99.1 ATTACHED HERETO, SHALL NOT BE DEEMED “FILED” FOR THE PURPOSES OF SECTION 18 OF THE SECURITIES EXCHANGE ACT OF 1934, OR OTHERWISE SUBJECT TO THE LIABILITIES OF SUCH SECTION, NOR SHALL IT BE DEEMED INCORPORATED BY REFERENCE INTO ANY REGISTRATION STATEMENT OR OTHER FILING PURSUANT TO THE SECURITIES ACT OF 1933, EXCEPT AS OTHERWISE EXPRESSLY STATED IN SUCH FILING. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the R…

Executive Vice President and Chief Commercial Officer — Michael C. Skarke: Mr. Skarke's role was expanded and his title changed, but he remains an executive officer with a strategic focus on commercialization and business development.

OF THIS CURRENT REPORT, INCLUDING EXHIBIT 99.1 ATTACHED HERETO, SHALL NOT BE DEEMED “FILED” FOR THE PURPOSES OF SECTION 18 OF THE SECURITIES EXCHANGE ACT OF 1934, OR OTHERWISE SUBJECT TO THE LIABILITIES OF SUCH SECTION, NOR SHALL IT BE DEEMED INCORPORATED BY REFERENCE INTO ANY REGISTRATION STATEMENT OR OTHER FILING PURSUANT TO THE SECURITIES ACT OF 1933, EXCEPT AS OTHERWISE EXPRESSLY STATED IN SUCH FILING. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the R…

Other Events As previously disclosed in the Current Report on Form 8-K filed with the Securities and Exchange Commission (the “Commission”) on February 23, 2026, Select Water Solutions, Inc. (the “Company”) and J.P. Morgan Securities LLC and BofA Securities, Inc., as representatives of the several underwriters named in Schedule I thereto (collectively, the “Underwriters”), entered into an underwriting agreement, dated February 19, 2026 (the “Underwriting Agreement”), pursuant to which the Com…

Other Events On February 19, 2026, the Company and J.P. Morgan Securities LLC and BofA Securities, Inc., as representatives of the several underwriters named in Schedule I thereto (collectively, the “Underwriters”), entered into an underwriting agreement (the “Underwriting Agreement”), pursuant to which the Company agreed to sell to the Underwriters, and the Underwriters agreed to purchase from the Company, subject to and upon the terms and conditions set forth therein, $175.0 million of its…

Regulation FD Disclosure On February 19, 2026, Select Water Solutions, Inc. (the “Company”) announced the pricing of an underwritten public offering of $175.0 million of its Class A common stock, par value $0.01 per share, pursuant to a registration statement on Form S-3 (File No. 333-293586) (the “Registration Statement”) filed previously with the U.S. Securities and Exchange Commission (the “Commission”) that became automatically effective upon filing on February 19, 2026, including the pro…

OF THIS CURRENT REPORT, INCLUDING EXHIBIT 99.1 ATTACHED HERETO, SHALL NOT BE DEEMED “FILED” FOR THE PURPOSES OF SECTION 18 OF THE SECURITIES EXCHANGE ACT OF 1934, OR OTHERWISE SUBJECT TO THE LIABILITIES OF SUCH SECTION, NOR SHALL IT BE DEEMED INCORPORATED BY REFERENCE INTO ANY REGISTRATION STATEMENT OR OTHER FILING PURSUANT TO THE SECURITIES ACT OF 1933, EXCEPT AS OTHERWISE EXPRESSLY STATED IN SUCH FILING. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the R…

OF THIS CURRENT REPORT, INCLUDING EXHIBIT 99.1 ATTACHED HERETO, SHALL NOT BE DEEMED “FILED” FOR THE PURPOSES OF SECTION 18 OF THE SECURITIES EXCHANGE ACT OF 1934, OR OTHERWISE SUBJECT TO THE LIABILITIES OF SUCH SECTION, NOR SHALL IT BE DEEMED INCORPORATED BY REFERENCE INTO ANY REGISTRATION STATEMENT OR OTHER FILING PURSUANT TO THE SECURITIES ACT OF 1933, EXCEPT AS OTHERWISE EXPRESSLY STATED IN SUCH FILING. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the R…

The company entered into severance agreements with several executive officers to standardize compensation arrangements and enhance protections.

OF THIS CURRENT REPORT, INCLUDING EXHIBIT 99.1 ATTACHED HERETO, SHALL NOT BE DEEMED “FILED” FOR THE PURPOSES OF SECTION 18 OF THE SECURITIES EXCHANGE ACT OF 1934, OR OTHERWISE SUBJECT TO THE LIABILITIES OF SUCH SECTION, NOR SHALL IT BE DEEMED INCORPORATED BY REFERENCE INTO ANY REGISTRATION STATEMENT OR OTHER FILING PURSUANT TO THE SECURITIES ACT OF 1933, EXCEPT AS OTHERWISE EXPRESSLY STATED IN SUCH FILING. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the R…

OF THIS CURRENT REPORT, INCLUDING EXHIBIT 99.1 ATTACHED HERETO, SHALL NOT BE DEEMED “FILED” FOR THE PURPOSES OF SECTION 18 OF THE SECURITIES EXCHANGE ACT OF 1934, OR OTHERWISE SUBJECT TO THE LIABILITIES OF SUCH SECTION, NOR SHALL IT BE DEEMED INCORPORATED BY REFERENCE INTO ANY REGISTRATION STATEMENT OR OTHER FILING PURSUANT TO THE SECURITIES ACT OF 1933, EXCEPT AS OTHERWISE EXPRESSLY STATED IN SUCH FILING. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the R…

OF THIS CURRENT REPORT, INCLUDING EXHIBIT 99.1 ATTACHED HERETO, SHALL NOT BE DEEMED “FILED” FOR THE PURPOSES OF SECTION 18 OF THE SECURITIES AND EXCHANGE ACT OF 1934, NOR SHALL IT BE DEEMED INCORPORATED BY REFERENCE INTO ANY REGISTRATION STATEMENT OR OTHER FILING PURSUANT TO THE SECURITIES ACT OF 1933, EXCEPT AS OTHERWISE EXPRESSLY STATED IN SUCH FILING. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on…

Director — Timothy A. Roberts and Bruce E. Cope: The Board of Directors increased the size of the Board to nine directors and appointed Timothy A. Roberts and Bruce E. Cope as new directors.

Regulation FD Disclosure. On January 28, 2025, the Company issued a press release announcing the entry into the Credit Agreement. A copy of the press release is furnished as Exhibit 99.1 hereto. The information furnished with this report, including Exhibit 99.1, shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), or otherwise subject to the liabilities of that section, nor shall it be deemed to be incorporated b…

Termination of a Material Definitive Agreement. In connection with the entry into the Credit Agreement, the obligations of SES Holdings and the Borrower under the Amended and Restated Credit Agreement, dated as of March 17, 2022, by and among the Borrower, SES Holdings, Wells Fargo Bank, N.A., as administrative agent, and the lenders party thereto (the “Previous Credit Facility”) have been repaid in full and the Previous Credit Facility was terminated on the Closing Date. Certain lenders part…

Entry into a Material Definitive Agreement. On January 24, 2025 (the “Closing Date”), SES Holdings, LLC (“SES Holdings” or “Parent”), a subsidiary of Select Water Solutions, Inc. (NYSE: WTTR) (the “Company”), Select Water Solutions, LLC, a subsidiary of SES Holdings (the “Borrower”), Bank of America, N.A., as administrative agent, issuing lender and swingline lender (the “Administrative Agent”), and the other lenders party thereto, entered into that certain sustainability-linked senior secure…

Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant. The information provided in

OF THIS CURRENT REPORT, INCLUDING EXHIBIT 99.1 ATTACHED HERETO, SHALL NOT BE DEEMED “FILED” FOR THE PURPOSES OF SECTION 18 OF THE SECURITIES AND EXCHANGE ACT OF 1934, NOR SHALL IT BE DEEMED INCORPORATED BY REFERENCE INTO ANY REGISTRATION STATEMENT OR OTHER FILING PURSUANT TO THE SECURITIES ACT OF 1933, EXCEPT AS OTHERWISE EXPRESSLY STATED IN SUCH FILING. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on…

OF THIS CURRENT REPORT, INCLUDING EXHIBIT 99.1 ATTACHED HERETO, SHALL NOT BE DEEMED “FILED” FOR THE PURPOSES OF SECTION 18 OF THE SECURITIES AND EXCHANGE ACT OF 1934, NOR SHALL IT BE DEEMED INCORPORATED BY REFERENCE INTO ANY REGISTRATION STATEMENT OR OTHER FILING PURSUANT TO THE SECURITIES ACT OF 1933, EXCEPT AS OTHERWISE EXPRESSLY STATED IN SUCH FILING. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on…

OF THIS CURRENT REPORT, INCLUDING EXHIBIT 99.1 ATTACHED HERETO, SHALL NOT BE DEEMED “FILED” FOR THE PURPOSES OF SECTION 18 OF THE SECURITIES AND EXCHANGE ACT OF 1934, NOR SHALL IT BE DEEMED INCORPORATED BY REFERENCE INTO ANY REGISTRATION STATEMENT OR OTHER FILING PURSUANT TO THE SECURITIES ACT OF 1933, EXCEPT AS OTHERWISE EXPRESSLY STATED IN SUCH FILING. 3 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on…

OF THIS CURRENT REPORT, INCLUDING EXHIBIT 99.1 ATTACHED HERETO, SHALL NOT BE DEEMED “FILED” FOR THE PURPOSES OF SECTION 18 OF THE SECURITIES AND EXCHANGE ACT OF 1934, NOR SHALL IT BE DEEMED INCORPORATED BY REFERENCE INTO ANY REGISTRATION STATEMENT OR OTHER FILING PURSUANT TO THE SECURITIES ACT OF 1933, EXCEPT AS OTHERWISE EXPRESSLY STATED IN SUCH FILING. 2 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on…

Executive Vice President and Chief Financial Officer — Christopher K. George: Christopher K. George was promoted to Executive Vice President and Chief Financial Officer.

OF THIS CURRENT REPORT, INCLUDING EXHIBIT 99.1 ATTACHED HERETO, SHALL NOT BE DEEMED “FILED” FOR THE PURPOSES OF SECTION 18 OF THE SECURITIES AND EXCHANGE ACT OF 1934, NOR SHALL IT BE DEEMED INCORPORATED BY REFERENCE INTO ANY REGISTRATION STATEMENT OR OTHER FILING PURSUANT TO THE SECURITIES ACT OF 1933, EXCEPT AS OTHERWISE EXPRESSLY STATED IN SUCH FILING. SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on i…

OF THIS CURRENT REPORT, INCLUDING EXHIBIT 99.1 ATTACHED HERETO, SHALL NOT BE DEEMED “FILED” FOR THE PURPOSES OF SECTION 18 OF THE SECURITIES AND EXCHANGE ACT OF 1934, NOR SHALL IT BE DEEMED INCORPORATED BY REFERENCE INTO ANY REGISTRATION STATEMENT OR OTHER FILING PURSUANT TO THE SECURITIES ACT OF 1933, EXCEPT AS OTHERWISE EXPRESSLY STATED IN SUCH FILING. 1 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on…

Results of Operations and Financial Condition. On August 2, 2023, Select Water Solutions, Inc. (the “Company”) issued a press release announcing its financial results for the second quarter ended June 30, 2023. A copy of the Company’s press release covering such announcement and certain other matters is furnished as Exhibit 99.1 to this Current Report on Form 8-K.