EXHIBIT 99.1 Worthington Steel Reports First Quarter Fiscal 2026 Results Quarterly Results COLUMBUS, Ohio, September 24, 2025 – Worthington Steel, Inc. (NYSE: WS), a market-leading, value-added metals processing company, today reported financial results for the fiscal 2026 first quarter ended August 31, 2025. First Quarter Highlights (all comparisons to the first quarter of fiscal 2025): "Worthington Steel is off to a strong start in fiscal 2026 driven by disciplined execution in a soft market, resulting in ...