Exhibit 99.1 N E W S R E L E A S E Contact: Investor Relations Inquiries Media Inquiries Jennifer Gilligan Isabella Wiltse Senior Vice President, Finance & Investor Relations Vice President, Media & Public Relations (212) 549-1306 (314) 445-0790 FOR IMMEDIATE RELEASE CENTENE CORPORATION REPORTS FIRST QUARTER 2025 RESULTS -- Diluted EPS of $2.63; Adjusted Diluted EPS of$2.90 -- ST. LOUIS, April 25, 2025 -- Centene Corporation (NYSE: CNC) (the Company) announced today its financial results for the first quar ...