Exhibit 99.1 Investor Contact Media Contact +1.267.946.1407 +1.717.480.6145 David Martin Karen Tognarelli dmartin@enviri.com ktognarelli@enviri.com FOR IMMEDIATE RELEASE Enviri Corporation Reports Second Quarter 2025 Results PHILADELPHIA (Aug. 05, 2025) - Enviri Corporation (NYSE: NVRI) (the "Company") today reported second quarter 2025 results. Revenues in the second quarter of 2025 totaled $562 million, and on a U.S. GAAP ("GAAP") basis, the consolidated loss from continuing operations was$46 million. Ad ...