On February 29, 2024, SPS Commerce, Inc. (the ?Company?) announced that Archie Black, the Executive Chair of the Board of Directors of the Company, will not stand for re-election as a director of the Company at the Company?s 2024 annual meeting of stockholders to be held on May 16, 2024. As a result, on such date, Mr. Black?s term as a director will end, and he will retire from the position of Executive Chair of the Board and as an employee of the Company. As previously disclosed, upon the appointment of Chad Collins as Chief Executive Officer of the Company effective October 2, 2023, Mr. Black remained a director of the Company and transitioned from Chief Executive Officer to Executive Chair of the Board.

Upon Mr. Black?s retirement as Executive Chair of the Board on May 16, 2024, he will receive the benefits under the retirement provisions of his Amended and Restated Executive Severance and Change in Control Agreement, dated as of February 13, 2020, as amended by the Amendment to Amended and Restated Executive Severance and Change in Control Agreement, dated as of March 1, 2023, as described in the Form 8-K filed on March 2, 2023.