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Exhibit 99.1 AEHR TEST SYSTEMS FOR IMMEDIATE RELEASE Contacts : Aehr Test Systems Ken Spink Chief Financial Officer ( 510 ) 623-9400 x309 MKR Investor Relations Inc. Todd Kehrli or Jim Byers Analyst / Investor Contact ( 323 ) 468-2300 aehr@mkr-group.com Aehr Test Systems Reports Second Quarter Fiscal 2021 Financial Results Fremont , CA ( January 7 , 2021 ) – Aehr Test Systems ( NASDAQ : AEHR ) , a worldwide supplier of semiconductor test and reliability qualification equipment , today announced financial results for its second quarter of fiscal 2021 ended November 30 , 2020 . Fiscal Second Quarter Financial Results : • Net sales were $ 1.7 million , compared to $ 6.9 million in the second quarter of fiscal 2020 . • • • GAAP net loss was $ 2.0 million , or $ 0.08 per diluted share , compared to GAAP net income of $ 251,000 , or $ 0.01 per diluted share , in the second quarter of fiscal 2020 . Non - GAAP net loss was $ 1.7 million , or $ 0.07 per diluted share , which excludes the impact of stock - based compensation , compared to non - GAAP net income of $ 456,000 , or $ 0.02 per diluted share , in the second quarter of fiscal 2020 . Backlog as of November 30 , 2020 was $ 1.1 million . Fiscal First Six Months Financial Results : • Net sales were $ 3.7 million , compared to $ 12.4 million in the first six months of fiscal 2020 . • GAAP net loss was $ 1.9 million , or $ 0.08 per diluted share , compared to a GAAP net loss of $ 162,000 , or $ 0.01 per diluted share , in the first six months of fiscal 2020 . Non - GAAP net loss was $ 3.7 million , or $ 0.16 per diluted share , which excludes the impact of stock - based compensation and non - cash net gain of $ 2.2 million and a tax benefit of $ 215,000 related to the closure of Aehr's Japan subsidiary during the first quarter . This compared to non - GAAP net income of $ 242,000 , or $ 0.01 per diluted share , in the first six months of fiscal 2020 . An explanation of the use of non - GAAP financial measures and a reconciliation of Aehr's non - GAAP financial measures to the most directly comparable GAAP financial measures can be found in the accompanying tables . Fiscal First Six Months COVID - 19 Related Business Impacts : - • Bookings and Revenue Negatively Impacted by COVID - 19 – Bookings and revenues during the first six months of fiscal 2021 were negatively impacted due to several customer - specific production ramp delays and push outs due to COVID - 19 related impacts . Aehr continues to be optimistic about generating significant bookings and revenue increases in the second half of the 2021 fiscal year compared to the first half .