EXHIBIT 99.1 FOR IMMEDIATE RELEASE FROM: MSA Safety Incorporated Ticker: MSA (NYSE) Media Relations Contact: Mark Deasy (412) 559-8154 Investor Relations Contact: Larry De Maria (917) 245-7463 MSA Safety Announces First Quarter 2026 Results First Quarter 2026 Highlights PITTSBURGH, May 4, 2026 - Global safety equipment and solutions provider MSA Safety Incorporated (NYSE: MSA) today reported financial results for the first quarter of 2026. "Our first quarter performance reflects the resilience of our divers ...