Exhibit 99.1 FOR IMMEDIATE RELEASE NEWS August 11, 2025 NYSE: NGS Natural Gas Services Group, Inc. Reports Second Quarter 2025 Financial and Operating Results; Increases 2025 Adjusted EBITDA Guidance MIDLAND, Texas August 11, 2025 (GLOBE NEWSWIRE) Natural Gas Services Group, Inc. ("NGS" or the "Company") (NYSE:NGS), a leading provider of natural gas compression equipment, technology, and services to the energy industry, today announced financial results for the three months ended June 30, 2025. The Company ...