Exhibit 99.1 R1 RCM Reports First Quarter 2024 Results Murray, Utah - May 8, 2024 - R1 RCM Inc. (NASDAQ: RCM) (“R1” or the “Company”), a leading provider of technology-driven solutions that transform the financial performance and patient experience for health systems, hospitals, and physician groups, today announced results for the three months ended March 31, 2024 and updated full year 2024 outlook. First Quarter 2024 Results: • Revenue of $603.9 million, up$58.3 million or 10.7% compared to the same peri ...