exhibit 10. 1 apogee enterprises, inc. 4400 west 78th street, suite 520 minneapolis, mn 55435 october 10, 2019 via email engaged capital, llc 610 newport center drive, suite 250 newport beach, ca 92660 attention : glenn w. welling email : * * * @ * * * re : notice deadline for nomination of engaged capital director candidates dear mr. welling : on behalf of apogee enterprises, inc. ( the “ company ” ), i am writing with respect to the notice deadline for the nomination of director candidates for election to the company ’ s board of directors ( the “ board ” ) at the company ’ s 2019 annual meeting of shareholders ( the “ 2019 annual meeting ” ). pursuant to the confidentiality agreement between the company and engaged capital, llc and certain of its undersigned affiliates ( collectively, “ engaged capital ” ), dated as of february 8, 2019, as amended on august 5, 2019 and september 12, 2019, the company considers any notice from engaged capital pursuant to section 1. 09 of the company ’ s amended and restated by - laws ( the “ by - laws ” ) with respect to the 2019 annual meeting timely if such notice is received by the company by 5 : 30 pm new york city time on october 14, 2019 ( the “ nomination deadline ” ). the board has granted a limited waiver from the nomination deadline as it applies specifically and only to engaged capital ( the “ waiver ” ). pursuant to the waiver, to be timely, any notice of director nominations by engaged capital for the 2019 annual meeting must be received via e - mail by the company or its outside legal counsel no later than 11 : 59 pm new york city time on november 3, 2019 ( the “ extended notice deadline ” ). the waiver does not apply to proposals for any other business that engaged capital may wish to propose for consideration at the 2019 annual meeting. exhibit 10. 1 apogee enterprises, inc. 4400 west 78th street, suite 520 minneapolis, mn 55435 october 10, 2019 via email engaged capital, llc 610 newport center drive, suite 250 newport beach, ca 92660 attention : glenn w. welling email : * * * @ * * * re : notice deadline for nomination of engaged capital director candidates re : notice deadline for nomination of engaged capital director candidates notice deadline for nomination of engaged capital director candidates dear mr. welling : on behalf