 ELK GROVE VILLAGE, Ill., Aug. 20, 2021 GLOBE NEWSWIRE -- SigmaTron International, Inc. NASDAQ: SGMA, an electronic manufacturing services company, today announced that Linda K Frauendorfer Chief Financial Officer CFO of SigmaTron International, Inc. plans to retire after a 27-year career as CFO on October 31, 2021. Ms. Frauendorfer will remain active full-time at SigmaTron International, Inc. until a successor is named and throughout the transition. She will remain a director of the Company. The search for her successor will start immediately and Ms. Frauendorfer will actively participate in the selection process. 