Exhibit 99.1 Amcor Reports Solid Second Quarter Results and Reaffirms Fiscal 2026 Guidance Highlights - Three Months Ended December 31, 2025 Highlights - Fiscal First Half Ended December 31, 2025 Fiscal 2026 Guidance Reaffirmed: | (1)(2)(3) Key Financials | Three Months Ended | | Six Months Ended | | | --- | --- | --- | --- | --- | | | December 31, | | December 31, | | | GAAP results | 2024 $| 2025$ | 2024 $| 2025$ | | | million | million | million | million | | Net sales | 3,241 | 5,449 | 6,594 | 11,19 ...