TETRA TECHNOLOGIES, INC. BOARD OF DIRECTORS APPROVES FINAL INVESTMENT DECISION FOR ARKANSAS BROMINE PRODUCTION FACILITY

About this update from Tetra Technologies, Inc.

Strong Project Economics and Growth Outlook With a Secure U.S. Bromine Supply SPRING, Texas, May 28, 2026 /PRNewswire/ -- TETRA Technologies, Inc. ("TETRA" or the "Company") (NYSE: TTI) today announced that its Board of Directors has conditionally approved the final investment decision ("FID") for the development of the Company's bromine production facility near Stamps, Arkansas (the "Evergreen Project"). The Board's authorization is subject to the Company finalizing financing for the Evergreen Project. The decision marks a key milestone in TETRA's transformation into a vertically integrated bromine producer and advances the Company's ONE TETRA 2030 strategic plan. "The Board's approval of the final investment decision for our Arkansas bromine facility marks a major milestone in TETRA's forty-five-year history," said Brady Murphy, President and Chief Executive Officer. "This investment will secure a long-term, low-cost domestic supply of elemental bromine – the critical feedstock for our deepwater completion fluids and TETRA energy storage electrolyte products. By becoming vertically integrated, we would achieve bromine costs consistent with a fully integrated solution and provide long-term U.S.-based supply security in a highly concentrated market. The Evergreen Project positions us to meet accelerating demand for these products through 2030 and beyond." Strategic Rationale The global bromine market is estimated at approximately $2.3 billion in 2026 and is projected to grow at a compound annual growth rate of 5.5% through 2033 (1), driven primarily by electrification trends, rising demand for deepwater, high-density completion fluids, and growing energy storage solutions. Currently, over 50% of global bromine supply originates in the Middle East (2), where ongoing geopolitical concerns have heightened focus on supply security. TETRA owns mineral rights to approximately 40,000 acres of brine leases in Southwest Arkansas, which contain significant bromine resources, including 744 ktons of proven and probable bromine reserves in the Evergreen Unit and measured and indicated bromine resources of 3.57 million tons across all TETRA acreage. TETRA has decided to use brine supplied by its Evergreen Unit as feed brine for the bromine production facility start-up, placing the ...

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