Exhibit 99.01 Eastman Announces Second Quarter 2025 Financial Results KINGSPORT, Tenn., July 31, 2025 – Eastman Chemical Company (NYSE:EMN) announced its second quarter 2025 financial results. | (In millions, | | except | per | share | amounts; | unaudited) | 2Q2025 | 2Q2024 | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | Sales | revenue | | | | | | $2,287 |$2,363 | | Earnings | | before | interest | and | taxes ("EBIT") | | 222 | 337 | | Adjusted | | EBIT* | | | | | 275 | 353 | | Earnings | | ...