Exhibit 99.1 Donaldson Reports Record Third Quarter Fiscal Year 2024 Sales and Earnings Third quarter sales increased 6.0% year over year to $927.9 million EPS of$0.92, up 21.7% versus 2023 Raising fiscal 2024 EPS guidance MINNEAPOLIS (June 4, 2024) — Donaldson Company, Inc. (NYSE: DCI) (Donaldson or the Company), a global leader in technology-led filtration products and solutions, today reported third quarter fiscal 2024 generally accepted accounting principles (GAAP) net earnings of $113.5 million, compa ...