Exhibit 99.1 Usio Announces First Quarter 2024 Financial Results Total payment dollars processed through all payment channels up 19% versus the prior year period Reiterates Full Year 2024 Expectation of 10 – 12% Revenue Growth Separately, Usio Today Announced Entry into Contract with Potential to Ultimately Add $20 Million in Annual Recurring Revenues SAN ANTONIO, May 15, 2024 (GLOBE NEWSWIRE) – Usio, Inc: (Nasdaq: USIO), a leading FinTech company that operates a full stack of integrated, cloud-based electr ...