Exhibit 99.1 Greif Reports Fiscal Second Quarter 2025 Results DELAWARE, Ohio (June 4, 2025) – Greif, Inc. (NYSE: GEF, GEF.B), a global leader in industrial packaging products and services, today announced fiscal second quarter 2025 results. Fiscal Second Quarter 2025 Financial Highlights: (all results compared to the second quarter of 2024 unless otherwise noted) Strategic Actions and Announcements Commentary from CEO Ole Rosgaard "Greif delivered another strong quarter, balancing near-term financial execut ...