Exhibit 99.1 News Release FOR IMMEDIATE RELEASE Media: Investor Relations: May 1, 2025 Kevin Gundersen Ivan Marcuse The Woodlands, TX (281) 719-4627 (281) 719-4637 NYSE: HUN Huntsman Announces First Quarter 2025 Earnings First Quarter Highlights | | | | Three months ended | | | --- | --- | --- | --- | --- | | | | | March 31, | | | In millions, except per share amounts | | 2025 | | 2024 | | Revenues | $| 1,410 |$ | 1,470 | | Net loss attributable to Huntsman Corporation | $| (5) |$ | (37) | | (1) Adjuste ...