SPS Commerce stockholders elect 9 directors, ratify KPMG, approve say-on-pay

Election of Directors The following nominees were elected to serve as directors for a term that will last until the Company’s 2027 Annual Meeting of Stockholders or until his or her successor is duly elected and qualified. The voting with respect to the election of directors was as follows: Nominee Votes For Votes Against Abstain Broker Non-Votes Fumbi Chima 31,200,283 55,527 22,727 1,455,500 Chad Collins 31,203,650 68,110 6,777 1,455,500 Razat Gaurav 30,366,937 889,070 22,530 1,455,500 Michael McConnell 24,552,202 6,703,424 22,911 1,455,500 Mark Partin 31,187,525 68,265 22,747 1,455,500 Marty Réaume 30,150,736 1,068,583 59,218 1,455,500 Tami Reller 30,775,910 491,529 11,098 1,455,500 Philip Soran 30,109,756 1,157,338 11,443 1,455,500 Anne Sempowski Ward 30,323,659 943,302 11,576 1,455,500

Ratification of the Selection of KPMG LLP as Independent Auditor for the Year Ending 2026 The Company’s stockholders ratified the appointment of KPMG LLP to serve as the independent auditor for the year ending December 31, 2026 by voting as follows: Votes For Votes Against Abstain Broker Non-Votes 32,558,668 166,493 8,876 —

Advisory Approval of the Compensation of Named Executive Officers ("Say-on-Pay") The Company’s stockholders approved, on an advisory basis, the compensation of the Company’s named executive officers by voting as follows: Votes For Votes Against Abstain Broker Non-Votes 28,658,147 2,600,825 19,565 1,455,500