Metallus(MTUS) - 2025 Q3 - Quarterly Results

Exhibit 99.1 Metallus Announces Third-Quarter 2025 Results CANTON, Ohio: November 6, 2025 – Metallus (NYSE: MTUS), a leader in high-quality specialty metals, manufactured components and supply chain solutions, today reported third-quarter 2025 net sales of $305.9 million and net income of $8.1 million, or $0.19 per diluted share. On an adjusted basis (1) , the third-quarter 2025 net income was $12.0 million, or $0.28 per diluted share, and adjusted EBITDA was $29.0 million. This compares with the sequential ...