SCORE™ ABOUT CUSTOMER CENTER SUPPLIER CENTER QUALITY INVESTORS CONTACT Video Player ONE SOURCE. GLOBAL OPTIONS.® WATCH VIDEO ; SigmaTron International’s One Source, Global Options® approach to delivering electronics manufacturing services (EMS) solutions adds flexibility to your outsourcing strategy. Common real-time systems, a centralized approach to supply chain management and world class quality ensure a consistent approach, whether your product is built in U.S., Mexico or Asia. © 2021 SigmaTron International, Inc. All rights reserved. ABOUT CUSTOMER CENTER SUPPLIER CENTER QUALITY INVESTORS CONTACT

SCORE™ ABOUT CUSTOMER CENTER SUPPLIER CENTER QUALITY INVESTORS CONTACT Leadership The Board of Directors and Officers of SigmaTron International are dedicated to maintaining the highest ethical standards of corporate governance. Integrity is more than the philosophy that guides our compliance with all industry regulations. It’s the foundation for every business move. OFFICERS Gary R. Fairhead* Chairman of the Board and Chief Executive Officer James E. Barnes* President James J. Reiman* Chief Financial Officer, Vice President Finance, Treasurer and Secretary Gregory A. Fairhead* Executive Vice President and Assistant Secretary John P. Sheehan* Vice President, Director of Supply Chain and Assistant Secretary Daniel P. Camp* Vice President, Acuña Operations Rajesh B. Upadhyaya* Executive Vice President, West Coast Operations Hom-Ming Chang* Vice President, China Operations Curtis W. Campbell Vice President of Sales, West Coast Operations Yousef M. Heidari Engineering In Memoriam, West Coast Operations Dennis P. McNamara Vice President, Engineering Thomas F. Rovtar Vice President, Information Technology Keith D. Wheaton Vice President, Business Development, West Coast Operations *Executive Officers BOARD OF DIRECTORS Gary R. Fairhead Chairman of the Board and Chief Executive Officer, SigmaTron International, Inc. Linda K. Frauendorfer Independent Consultant Thomas W. Rieck Partner, Rieck and Crotty, P.C. Member of the Audit Committee Member of the Nominating Committee Dilip S. Vyas Independent Consultant Member of the Compensation Committee Member of the Nominating Committee Lead Director Paul J. Plante Director, Cardinal Vending and Markets, LLC Member of the Audit Committee Member of the Compensation Committee Bruce J. Mantia Retired Partner, Ernst & Young LLP Member of the Compensation Committee Barry R. Horek Retired Partner, Ernst & Young LLP Member of the Audit Committee Member of the Nominating Committee INVESTORS QUICK LINKS LEADERSHIP » COMMITTEE CHARTERS - AUDIT COMMITTEE » - COMPENSATION COMMITTEE » - NOMINATING COMMITTEE » SEC REULATORY FILINGS - ANNUAL REPORTS » - SEC XRBL FILINGS » - STOCK INFORMATION » © 2021 SigmaTron International, Inc. All rights reserved. ABOUT CUSTOMER CENTER SUPPLIER CENTER QUALITY INVESTORS CONTACT