Exhibit 99.1 McKESSON REPORTS FISCAL 2025 FOURTH QUARTER AND FULL YEAR RESULTS AND PROVIDES FISCAL 2026 GUIDANCE; ANNOUNCES INTENT TO SEPARATE MEDICAL-SURGICAL SOLUTIONS IRVING, Texas, May 8, 2025 - McKesson Corporation (NYSE:MCK) today announced results for the fourth quarter and fiscal year ended March 31, 2025. Fourth Quarter Highlights: Full Year Highlights: "McKesson delivered strong fourth quarter performance reporting revenue growth of 19% and Adjusted Earnings per Diluted Share growth of 64%. This m ...