 CARROLLTON, Texas, July 29, 2021 GLOBE NEWSWIRE -- ADDvantage Technologies Group, Inc. NASDAQ: AEY ADDvantage Technologies or the Company today announced that it will release financial results for the nine month period ended June 30, 2021, on Thursday, August 12, 2021, after the close of the markets followed by a discussion of the financial results on Friday, August 13, 2021 at 10 a.m. Eastern. 