Exhibit 99.1 LOGO RPM Reports Fiscal 2026 Second-Quarter Results MEDINA, OH – January 8, 2026 – RPM International Inc. (NYSE: RPM), a world leader in specialty coatings, sealants and building materials, today reported financial results for its fiscal 2026 second quarter ended November 30, 2025. Second-Quarter 2026 Consolidated Results Consolidated | | Three Months Ended | | | | | --- | --- | --- | --- | --- | | | November 30, | November 30, | | | | $in 000s except per share data | 2025 | 2024 |$ Change | ...