X0306 4 2019-06-29 0 0000891024 PATTERSON COMPANIES, INC. PDCO 0001341608 Zurbay Donald 1031 MENDOTA HEIGHTS ST. PAUL MN 55120 0 1 0 0 Chief Financial Officer Common Stock 2019-06-29 4 F 0 4725 22.90 D 37274 D Common Stock 2019-07-01 4 F 0 681 22.25 D 36593 D Common Stock 2019-07-01 4 A 0 11798 22.25 A 48391 D Common Stock 245 I By ESOP Employee Stock Options 22.25 2019-07-01 4 A 0 78829 22.25 A 2029-07-01 Common Stock 78829 78829 D Employee Stock Options 22.67 2028-06-29 Common Stock 99250 99250 D Employee Stock Options 22.48 2021-07-01 2028-07-01 Common Stock 33363 33363 D Represents shares of common stock withheld for payment of taxes incurred upon the lapse of restrictions on restricted stock units ("RSUs") issued 6/29/2018 outside the Patterson Companies, Inc. Amended and Restated 2015 Omnibus Incentive Plan ("Plan"). Includes 11,121 RSUs awarded on 7/1/2018 to Reporting Person pursuant to the Plan. The RSUs vest contingent upon continued employment as follows: 2,224 units vest 7/1/2019, 2,224 units vest 7/1/2020, 2,224 units vest 7/1/2021, 2,224 units vest 7/1/2022 and 2,225 units vest 7/1/2023. Includes 15,439 RSUs granted to Reporting Person on 6/29/2018 as an inducement award granted outside the Plan. The RSUs will vest, assuming continued employment, on 6/9/2020. Represents shares of common stock withheld for payment of taxes incurred upon the lapse of restrictions on RSUs issued pursuant to the Plan. Includes 8,897 RSUs awarded on 7/1/2018 to Reporting Person pursuant to the Plan. The RSUs vest contingent upon continued employment as follows: 2,224 units vest 7/1/2020, 2,224 units vest 7/1/2021, 2,224 units vest 7/1/2022 and 2,225 units vest 7/1/2023. Represents RSUs awarded on 7/1/2019 to Reporting Person pursuant to the Plan. The RSUs awarded vest, assuming continued employment, 100% on 7/1/2022. Represents shares of common stock indirectly help by the Reporting Person's Employee Stock Ownership Plan ("ESOP") account through June 28, 2019. Stock options granted pursuant to the Plan on 7/1/2019. Options are exercisable as follows: 33% on 7/1/2020, 33% on 7/1/2021 and 34% on 7/1/2022. Stock options granted as an inducement award granted outside the Plan on 6/29/2018. The stock options granted would vest pro-rata over the course of 3 years, with one-third of the shares vesting on 6/29/2019, one-third vesting on 6/29/2020, and the remaining one-third vesting 6/29/2021, in all cases subject to continued employments. Stock options granted pursuant to the Plan on 7/1/2018. Les B. Korsh, by Power of Attorney 2019-07-02