POWER OF ATTORNEY

KNOW ALL PERSONS BY THESE PRESENTS, that I, Gregory J. Sachs,
hereby constitute and appoint James S. Porter, Patricia A. Beithon,
David Wright Walstrom and Judith A. Stone and each of them, my true
and lawful attorneys-in-fact and agents, with full power of
substitution and resubstitution for me and in my name, place and
stead, to sign any reports on Form 3 (Initial Statement of Beneficial
Ownership of Securities), Form 4 (Statement of Changes in Beneficial
Ownership of Securities) and Form 5 (Annual Statement of Changes in
Beneficial Ownership of Securities) relating to transactions by me
in Common Stock or other securities of Apogee Enterprises, Inc. and
all amendments thereto, and to file the same, with the Securities
and Exchange Commission and the appropriate securities exchange,
granting unto said attorneys-in-fact and agents, and each of them,
or their substitutes, full power and authority to do and perform each
and every act and thing requisite or necessary to be done in and about
the premises, as fully to all intents and purposes as I might or could
do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents, and each of them, or their substitutes,
may lawfully do or cause to be done by virtue hereof.  This Power of
Attorney shall be effective until such time as I deliver a written
revocation thereof to the above-named attorneys-in-fact and agents.


By: /s/ Gregory J. Sachs
	Gregory J. Sachs

Date:  January 15, 2020