Montrose Environmental(MEG) - 2025 Q4 - Annual Results

Exhibit 99.1 Montrose Environmental Group Reports Record Revenue, Earnings and Cash Flow in 2025; Increases 2026 Guidance Full-Year 2025 Highlights (comparisons to full-year 2024) 2026 Guidance Updates Little Rock, Arkansas (February 25, 2026) – Montrose Environmental Group, Inc. (the "Company," "Montrose" or "MEG") (NYSE: MEG) is on a mission to help protect the air we breathe, the water we drink, and the soil that sustains us to enhance environmental stewardship while supporting economic development. Toda ...