 RANCHO CUCAMONGA, Calif., June 15, 2021 GLOBE NEWSWIRE -- Amphastar Pharmaceuticals, Inc. NASDAQ: AMPH announced today that Bill Peters, Executive V.P. and CFO, Dan Dischner, V.P of Corporate Communications, Tony Marrs, Sr. V.P Regulatory Affairs and Clinical Operations, and Jacob Liawatidewi, Executive V.P. Corporate Administration Center and Sales Marketing, will be presenting at the Human Health Innovation Conference on Tuesday, June 22, 2021, at 2:00 pm Eastern time. 