 DENVER--BUSINESS WIRE--Advanced Energy Nasdaq: AEIS, a global leader in highly engineered, precision power conversion, measurement, and control solutions, will release its first quarter 2021 financial results before the market opens on Wednesday, May 5, 2021. Managements quarterly conference call will be held later that morning beginning at 8:30 a.m. Eastern Time. To register for the call please use this link. After registering, a confirmation will be sent through email, including dial-in 