EXHIBIT 99.1 Contact: Michael G. McAuley Senior Vice President, Chief Financial Officer and Treasurer (412) 429-2472 mmcauley@ampcopgh.com FOR IMMEDIATE RELEASE CARNEGIE, PA May 12, 2025 Ampco-Pittsburgh Corporation (NYSE: AP) Announces First Quarter 2025 Results Carnegie, PA, May 12, 2025 – Ampco-Pittsburgh Corporation (NYSE: AP) reported net sales of $104.3 million for the three months ended March 31, 2025, compared to$110.2 million for the three months ended March 31, 2024. Both the Forged and Cast Engi ...