X0407 4 2023-06-30 0 0000891024 PATTERSON COMPANIES, INC. PDCO 0001980882 BERGESON SAMANTHA L 1031 MENDOTA HEIGHTS ROAD ST. PAUL MN 55120 0 1 0 0 CHRO 0 Common Stock 2023-06-30 4 A 0 247 23.6895 A 8782 D Common Stock 926 I By ESOP Shares acquired by Reporting Person pursuant to the Patterson Companies, Inc. Employee Stock Purchase Plan. Includes an aggregate of 4,280 restricted stock units ("RSUs") awarded in the years 2020 through 2022 to Reporting Person pursuant to the Patterson Companies, Inc. Amended and Restated 2015 Omnibus Incentive Plan ("Plan"). The RSUs vest contingent upon continued employment as follows: 1,401 units vest on 7/1/2023, 559 units vest on 7/14/2023, 1,403 units vest on 7/1/2024 and 917 units vest on 7/1/2025. Represents shares of common stock indirectly held by the Reporting Person's Employee Stock Ownership Plan (ESOP) account through May 1, 2023. Les B. Korsh, by Power of Attorney 2023-07-05