As used in this report, references to “we,” “us,” “our,” “Arch” or the “Company” refer to the consolidated operations of Arch Capital Group Ltd. (“Arch Capital”) and its subsidiaries. All amounts are in millions, except per share amounts, unless otherwise noted. We refer you to Item 1A “Risk Factors” for a discussion of risk factors relating to our business. OUR COMPANY General Arch Capital is a publicly listed Bermuda exempted company with approximately $26.9 billion in capital at December 31, 2025 and is part of the S&P 500 index. Arch provides insurance, reinsurance and mortgage insurance on a worldwide basis through its wholly owned subsidiaries. While we are positioned to provide a full range of property, casualty and mortgage insurance and reinsurance lines, we focus on writing specialty lines of insurance and reinsurance. For 2025, we wrote $16.5 billion of net premiums and reported net income available to Arch common shareholders of $4.4 billion. Book value per share was $65.11 at December 31, 2025, compared to $53.11 per share at December 31, 2024.