Apogee Enterprises Inc. Watch

from S-8 11 pages Apogee Enterprises, Inc. 2019 Non‒employee Director Stock Plan, as Amended and Restated

from S-8 23 pages Apogee Enterprises, Inc. 2021 Deferred Compensation Plan for Non-Employee Directors Effective Date June 1, 2021

from 10-Q 3 pages Indenture or similar

from S-8 11 pages Apogee Enterprises, Inc. 2019 Stock Incentive Plan, as Amended and Restated

from S-8 2 pages Indenture or similar

from S-8 9 pages Amended and Restated By-Laws of Apogee Enterprises, Inc., a Minnesota Corporation

from 10-K 1 page Description of the Registrant’s Securities Registered Pursuant to Section 12 of the Securities Exchange Act of 1934

from S-8 11 pages Appendix C Apogee Enterprises, Inc. 2019 Non-Employee Director Stock Plan

from S-8 13 pages Appendix B Apogee Enterprises, Inc. 2019 Stock Incentive Plan

from S-8 1 page First Amendment of Apogee Enterprises, Inc. 2000 Employee Stock Purchase Plan

from S-8 8 pages Apogee Enterprises, Inc. 2000 Employee Stock Purchase Plan

from S-8 94 pages Apogee Enterprises, Inc. 401(k) Retirement Plan

from S-8 10 pages Apogee Enterprises, Inc. 2009 Non-Employee Director Stock Incentive Plan, as Amended and Restated

from S-8 11 pages Apogee Enterprises, Inc. Deferred Compensation Plan for Non-Employee Directors

from 10-K 2 pages Specimen Certificate for Shares of Common Stock

from 10-Q 2 pages Common Stock Apogee Common Stock 63401 Incorporated Under the Laws of the State of Minnesota Apogee Enterprises, Inc. This Certificate Is Transferable in South Saint Paul, Mn. This Certifies That Cusip 037598 109 See Reverse for Certain Definitions Is the Owner of Fully-Paid and Non-Assessable Shares of Common Stock of the Par Value of $.331/3 Per Share of Apogee Enterprises, Inc. Transferable on the Books of the Corporation by the Holder Hereof in Person or by Duly Authorized Attorney Upon Surrender of This Certificate Properly Endorsed. This Certificate Is Not Valid Unless Countersigned by the Transfer Agent and Registrar. Witness the Facsimile Seal of the Corporation and the Facsimile Signatures of Its Duly Authorized Officers. Dated: .Secretary Chief Executive Officer Countersigned and Registered: Wells Fargo Bank, N.A. by Transfer Agent and Registrar Authorized Signature

from 8-K 8 pages Amendment No. 2 to Amended and Restated Rights Agreement

from 8-K 3 pages Amendment No. 1 to Rights Agreement

from S-8 9 pages Apogee Enterprises, Inc. 2009 Non-Employee Director Stock Incentive Plan

from S-8 12 pages Apogee Enterprises, Inc. 2009 Stock Incentive Plan