Arch Capital delivered record Q3 2025 results, with after-tax operating income exceeding $1 billion, reflecting a robust 37% year-over-year increase, driven by strong underwriting performance and strategic capital deployment.

• Record after-tax operating earnings per share of $2.77, achieving an 18.5% annualized return on equity.
• Combined ratio improved to 79.8%, showcasing excellent underwriting discipline and low catastrophic losses.
• Strategic share repurchase of $732 million amid attractive stock valuation, reinforcing capital management strategy.
• Year-to-date book value per share increased by 17.3%, fueled by diversified segment performance and solid investment returns.
• Continued strength in the mortgage segment, generating $260 million in underwriting income, positioning for future market growth.