Exhibit 99.1 Agilent Reports Second-Quarter Fiscal Year 2024 Financial Results Full-year outlook revised to reflect slower market recovery Announces plan to repurchase $0.75 billion of its common stock by end of fiscal year Board of directors authorizes new$2.0 billion share repurchase program Highlights • Revenue of $1.57 billion, down 8.4$308 million; earnings per share (EPS) of $1.05, up 3% from the second quarter of 2023. ...