X0306 4 2021-12-31 0 0000006845 APOGEE ENTERPRISES, INC. APOG 0001331748 Nolan Donald A C/O APOGEE ENTERPRISES, INC. 4400 WEST 78TH STREET, SUITE 520 MINNEAPOLIS MN 55435 1 0 0 0 Phantom Stock Units 0.00 2021-12-31 4 A 0 41 48.15 A Common Stock 41 9706 D Deferred Restricted Stock Units 0.00 2021-12-31 4 A 0 68 48.15 A Common Stock 68 16151 D The phantom stock units were allocated under the Deferred Compensation Plan for Non-Employee Directors. The units of phantom stock will be settled in shares of common stock following the director's termination from the Board in accordance with the election of the reporting person, or following the occurrence of other events specified in the Plan. Settled 1-for-1. Additional phantom stock units acquired pursuant to a dividend equivalent reinvestment feature of the Deferred Compensation Plan for Non-Employee Directors. The deferred restricted stock units were allocated under the 2009 Non-Employee Director Stock Incentive Plan and the 2019 Non-Employee Director Stock Plan. The deferred restricted stock units will be settled in shares of common stock following the director's termination from the Board in accordance with the election of the reporting person, or following the occurrence of other events specified in the Plan. Additional deferred restricted stock units acquired pursuant to a dividend equivalent reinvestment feature of the 2009 Non-Employee Director Stock Incentive Plan and the 2019 Non-Employee Director Stock Plan. /s/ Meghan M. Elliott, Attorney-in-Fact for Donald A. Nolan 2022-01-04