X0306 4/A 2020-05-05 2020-05-07 0 0000080035 PREFORMED LINE PRODUCTS CO PLPC 0001809722 Klaus Andrew S 660 BETA DRIVE MAYFIELD VILLAGE OH 44143 0 1 0 0 CFO Common shares, $2 par value 2020-05-05 4 P 0 236 51.15 A 236 D Common shares, $2 par value 2020-05-06 4 P 0 1850 47.33 A 2086 D Common shares, $2 par value 2020-05-06 4 P 0 150 50.10 A 2236 D Common shares, $2 par value 2020-05-06 4 P 0 1000 48.09 A 3236 D Common shares, $2 par value 2020-05-07 4 P 0 27 46.75 A 3263 D Common shares, $2 par value 2020-05-07 4 P 0 737 47.88 A 4000 D Employee stock option (right to buy) 47.24 2021-04-09 2030-04-09 Common Shares, $2 par value 10000 10000 D The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $51.00 to $51.24, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes to this Form 4. The price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $47.00 to $47.98, inclusive. The reporting person undertakes to provide to the Issuer, any security holder of the Issuer or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in footnotes to this Form 4. On April 10, 2020, the Reporting Person was granted 10,000 stock options, of which 5,000 will vest on April 9, 2021, 2,500 will vest on April 9, 2022, and the remaining 2,500 will vest on April 9, 2023. /s/ Andrew S. Klaus 2020-05-12