Exhibit 99.1 Contact: Investor Relations The Blueshirt Group Irmina Blaszczyk SPSC@blueshirtgroup.com SPS Commerce Reports Fourth Quarter and Fiscal Year 2025 Financial Results Company delivers 100th consecutive quarter of topline growth Fourth quarter 2025 revenue grew 13% and recurring revenue grew 14% from the fourth quarter of 2024 Announces planned retirement of Chief Financial Officer and appointment of new Chief Financial Officer Announces increase to Share Repurchase Program MINNEAPOLIS, February 12 ...