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Press Release For Immediate Release Exhibit 99.1 Richardson Electronics For Details Contact : Edward J. Richardson Chairman and CEO Phone : ( 630 ) 208-2205 Robert J. Ben EVP & CFO ( 630 ) 208-2203 www.rell.com|info@rell.com 40W267 Keslinger Road PO BOX 393 LaFox , IL 60147-0393 USA ( 630 ) 208-2200 | Fax : ( 630 ) 208-2550 RICHARDSON ELECTRONICS REPORTS SECOND QUARTER FISCAL 2021 NET INCOME AND DECLARES QUARTERLY CASH DIVIDEND Semiconductor Wafer Fab , PMG and Healthcare Revenues Grow Versus Q2 FY20 ; Record ALTA750 ™ Tube sales Q2 and FY21 Highlights • • • Net sales of $ 42.4 million were up 7 % from last year's pre - COVID second quarter . • Sales increased for PMG , Healthcare , and Semiconductor Wafer Fabrication equipment products in the second quarter of fiscal 2021 versus the second quarter of fiscal 2020 . Gross margin improved to 33.8 % of net sales for the second quarter of fiscal 2021 versus 32.0 % of net sales in the prior year's second quarter . Operating expenses increased $ 0.3 million to $ 13.5 million compared to the prior year's second quarter . Legal expenses increased by $ 0.3 million . Operating income was $ 0.9 million compared to an operating loss of $ 0.5 million in last year's second quarter . Earnings per common share ( diluted ) for the second quarter of fiscal 2021 was $ 0.05 . Cash and investments were $ 46.0 million as of November 28 , 2020 versus $ 42.5 million on August 29 , 2020 and $ 46.1 million on November 30 , 2019 . LaFox , IL , JANUARY 6 , 2021 : Richardson Electronics , Ltd. ( NASDAQ : RELL ) today reported financial results for its second quarter ended November 28 , 2020. The Company also announced that its Board of Directors declared a $ 0.06 per share quarterly cash dividend . Second Quarter Results Net sales for the second quarter of fiscal 2021 increased 7.0 % to $ 42.4 million compared to net sales of $ 39.6 million in the prior year's second quarter primarily due to higher net sales for PMT and Richardson Healthcare , partially offset by lower net sales for Canvys . Richardson Electronics is an “ essential business " and continued operating its manufacturing and distribution businesses on a global basis throughout the pandemic under strict safety guidelines . PMT sales increased by 11.2 % from last year's second quarter as a result of higher sales of semiconductor wafer fab equipment specialty products as well as power conversion and RF and microwave components . Power grid tube sales continued to be negatively impacted by the pandemic , however sales of certain product lines increased from the second quarter of fiscal 2020. Richardson Healthcare sales increased $ 0.6 million or 28.2 % primarily due to a significant increase in demand for the ALTA750 ™ Tubes , which was the highest quantity sold in any