Exhibit 99.1 TETRA TECHNOLOGIES, INC. ANNOUNCES FIRST QUARTER 2025 RESULTS AND UPDATES FIRST-HALF 2025 GUIDANCE First Quarter 2025 Financial Highlights THE WOODLANDS, TEXAS, April 29, 2025 / PR Newswire / - TETRA Technologies, Inc. ("TETRA" or the "Company") (NYSE:TTI) announced first quarter 2025 financial results. Brady Murphy, TETRA President and Chief Executive Officer, stated, "We are very pleased with our record first-quarter Adjusted EBITDA of $32.3 million, which increased 41% sequentially and also ...