X0306 4 2021-01-25 0000039368 FULLER H B CO FUL 0001431849 Corkrean John J 1200 WILLOW LAKE BOULEVARD P.O. BOX 64683 ST. PAUL MN 55164-0683 1 Executive VP and CFO Common Stock 2021-01-25 4 M 0 813.0000 50.7500 A 32416.0000 D Common Stock 2021-01-25 4 M 0 529.0000 50.7500 A 32945.0000 D Common Stock 2021-01-25 4 F 0 163.0000 50.7500 D 32782.0000 D Common Stock 2021-01-25 4 F 0 250.0000 50.7500 D 32532.0000 D Performance Stock Units 0.0000 2021-01-25 4 M 0 529.0000 50.7500 D 2019-01-25 2021-01-25 Common Stock 529.0000 0.0000 D Restricted Stock Units 0.0000 2021-01-25 4 M 0 813.0000 50.7500 D 2019-01-25 2021-01-25 Common Stock 813.0000 0.0000 D Employee Stock Option (Right-to-Buy) 43.4800 2017-05-17 2026-05-17 Common Stock 16672.0000 16672.0000 D Employee Stock Option (Right-to-Buy) 45.0500 2020-01-24 2029-01-24 Common Stock 41208.0000 41208.0000 D Employee Stock Option (Right-to-Buy) 48.3500 2021-01-24 2030-01-24 Common Stock 48309.0000 48309.0000 D Employee Stock Option (Right-to-Buy) 50.1000 2018-01-26 2027-01-26 Common Stock 23696.0000 23696.0000 D Employee Stock Option (Right-to-Buy) 53.5700 2019-01-25 2028-01-25 Common Stock 21834.0000 21834.0000 D Performance Stock Units 0.0000 2020-01-24 2022-01-24 Common Stock 1523.8200 1523.8200 D Phantom Units 0.0000 Common Stock 5532.2000 5532.2000 D Restricted Stock Units 0.0000 2020-01-24 2022-01-24 Common Stock 1546.8200 1546.8200 D Restricted Stock Units 0.0000 2021-01-24 2023-01-24 Common Stock 3366.3100 3366.3100 D Shares withheld for taxes due on 529 shares issued. Shares withheld for taxes due on 813 shares issued. These performance stock units convert into shares of common stock on a 1-for-1 basis. These performance stock units vest in three equal annual installments beginning on the date shown upon H.B. Fuller achieving return on invested capital at least at the threshold level of performance in each year of the three years of vesting. These restricted stock units convert into shares of common stock on a 1-for-1 basis. These restricted stock units vest in three equal annual installments beginning on the date shown. This option is 100% vested. This option vests in three equal annual installments beginning on the date shown. This amount has been adjusted to reflect a decrease in number of performance stock units from the original grant based on performance criteria. Amount also includes performance stock units acquired pursuant to a dividend equivalent reinvestment feature. These units (acquired after 12-31-04) convert into shares of common stock on a 1-for-1 basis. These units (acquired after 12-31-04) convert into shares of common stock upon the earlier of certain termination events as specified in the Key Employee DeferredCompensation Plan or such earlier date as selected by the participant, subject to holding periods required by law. Amount includes stock units acquired pursuant to a dividend equivalent feature. Amount includes restricted stock units acquired pursuant to a dividend equivalent reinvestment feature. /s/ Timothy J. Keenan, Attorney-in-Fact 2021-01-26