 FREMONT, Calif., Dec. 14, 2021 GLOBE NEWSWIRE -- Aehr Test Systems NASDAQ: AEHR, a worldwide supplier of semiconductor test and reliability qualification equipment, today announced it will participate in the D.A. Davidson Semicap, Laser and Optical Conference being held virtually on Wednesday, December 15, 2021 with a one-on-one meeting format. Aehr Test President and CEO Gayn Erickson and CFO Ken Spink will be conducting virtual meetings with institutional investors throughout the day. 