 RANCHO CUCAMONGA, CA ACCESSWIRE September 2, 2022 Amphastar Pharmaceuticals, Inc. NASDAQ:AMPH announced today that Jacob Liawatidewi, Executive V.P. of Corporate Administration Center and Sales and Marketing and Tony Marrs Sr. Vice President of Regulatory Affairs and Clinical Operations, will participate in an Analyst-Moderated fireside chat at the Wells Fargo 2022 Healthcare Conference on September 7th, 2022 at 1:20 pm Eastern Standard Time. 