144 0001600424 XXXXXXXX LIVE 0000785786 PLEXUS CORP 001-14423 ONE PLEXUS WAY NEENAH WI 54957 9209696000 Mihm Oliver K. Officer COMMON MORGAN STANLEY SMITH BARNEY LLC EXECUTIVE SERVICES

200 W CIVIC DR. - 4TH FLOOR SANDY UT 84070

4324 716069.01 27200000 11/07/2024 NASDAQ COMMON 01/27/2023 RESTRICTED STOCK ISSUER N 2679 01/27/2023 COMPENSATION COMMON 02/14/2023 PERFORMANCE SHARES ISSUER N 1645 02/14/2023 COMPENSATION N OLIVER MIHM

ONE PLEXUS WAY NEENAH WI 54957

PERFORMANCE SHARES 11/06/2024 5691 950726.62 11/07/2024 /s/ Oliver Kurt Mihm