7/19/21 Frauendorfer Linda K 4 Dir.,Off.² 1:5K Sigmatron International Inc. DONNELLEY FIN… File16/FA 7/19/21 Sheehan John P 4 Officer² 1:5K Sigmatron International Inc. DONNELLEY FIN… File16/FA 7/19/21 Upadhyaya Raj B 4 Officer² 1:5K Sigmatron International Inc. DONNELLEY FIN… File16/FA 7/19/21 Chang Hom-Ming 4 Officer² 1:5K Sigmatron International Inc. DONNELLEY FIN… File16/FA 7/19/21 Camp Daniel P 4 Officer² 1:5K Sigmatron International Inc. DONNELLEY FIN… File16/FA 7/19/21 Barnes James E. 4 Officer² 1:5K Sigmatron International Inc. DONNELLEY FIN… File16/FA 7/19/21 Fairhead Gregory A 4 Officer² 1:5K Sigmatron International Inc. DONNELLEY FIN… File16/FA 7/19/21 Fairhead Gary R 4 Dir.,Off.² 1:5K Sigmatron International Inc. DONNELLEY FIN… File16/FA