BlackRock, Inc. Reports 7.6% Ownership in TETRA TECHNOLOGIES INC

BlackRock, Inc. has filed an amendment to its Schedule 13G/A, reporting a 7.6% ownership in TETRA TECHNOLOGIES INC. The filing indicates that BlackRock beneficially owns 10,171,712 shares of the company's common stock. The shares are held in the ordinary course of business and not for the purpose of influencing control of the issuer. The filing also notes that various persons have the right to receive dividends or proceeds from the sale of the common stock, but no single person's interest exceeds 5% of the total outstanding shares. The amendment was signed by Spencer Fleming, Managing Director of BlackRock, Inc., and was effective as of October 17, 2025.