Exhibit 99.1 FOR IMMEDIATE RELEASE Cardinal Health Reports Third Quarter Fiscal Year 2026 Results and Raises Outlook DUBLIN, Ohio, April 30, 2026 – Cardinal Health (NYSE: CAH) today reported third quarter fiscal year 2026 revenues of $60.9 billion, an increase of 11% from the third quarter of fiscal year 2025. Third quarter GAAP operating earnings decreased 30% to $509 million and GAAP diluted earnings per share (EPS) decreased 20% to $1.69, reflecting a $184 million pre-tax goodwill impairment in the compa ...