 TULSA, Okla., Oct. 27, 2020 GLOBE NEWSWIRE -- Matrix Service Company Nasdaq: MTRX will announce results for its Fiscal Year 2021 first quarter ended September 30, 2020 after the market closes on Wednesday, November 4, 2020. The release will be followed by a conference call on Thursday, November 5, 2020 at 10:30 a.m. Eastern time 09:30 a.m. Central time. 