Exhibit 99.1 FOR IMMEDIATE RELEASE Cardinal Health Reports First Quarter Fiscal Year 2026 Results and Raises Outlook DUBLIN, Ohio, October 30, 2025 - Cardinal Health (NYSE: CAH) today reported first quarter fiscal year 2026 revenues of $64 billion, an increase of 22$668 million and GAAP diluted earnings per share (EPS) increased 11% to $1.88. First quarter non-GAAP operating earnings increased 37$857 mi ...