144 0001257493 XXXXXXXX LIVE 0000080035 PREFORMED LINE PRODUCTS CO 000-31164 660 BETA DRIVE MAYFIELD VILLAGE OH 44143 440-461-5200 RUHLMAN RANDALL M 10% Stockholder Common Charles Schwab Corp.

3000 Schwab Way Westlake TX 76262

10000 4447600.00 4888701 08/19/2026 NASDAQ Common 07/02/2022 Inheritance Barbara Ruhlman N 10000 07/02/2022 N/A N Randall M Ruhlman

660 BETA DRIVE MAYFIELD VILLAGE OH 44143

Common 08/03/2026 9121 3266686.15 Name of account in which securities are to be sold: RANDALL M RUHLMAN TTEE DECLARATION OF TRUST 1 OF RAND ALL M. RUHLMAN 12/10/2020 08/19/2026 Randall Ruhlman