EXHIBIT 99.1 Oil States Announces First Quarter 2026 Results • Consolidated revenues of $145 million HOUSTON, May 5, 2026 – Oil States International, Inc. (NYSE: OIS): | | | March 31, | | Three Months Ended December 31, | | March 31, | % Change | | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | (Unaudited, In Thousands, Except Per Share Amounts) | | 2026 | | 2025 | | 2025 | Sequential | Year-over-Year | | Consolidated results: | | | | | | | | | | Revenues | $ | 145,363 | $| 178,464 |$ | 159,938 ...