BERKLEY W R Business Summary

W. R. Berkley Corporation (WRB) is a leading global property and casualty insurance holding company that generates revenue primarily through insurance premiums and net investment income from a multi-billion dollar portfolio. The company operates through two primary business segments: Insurance, which provides a wide array of commercial specialty coverages including professional liability, workers' compensation, and excess and surplus (E&S) lines; and Reinsurance & Monoline Excess, which offers treaty and facultative reinsurance globally. As of early 2026, the firm maintains a disciplined decentralized operating model, allowing its 60+ niche units to respond autonomously to local market conditions. WRB competes directly with industry giants such as Chubb Limited, The Travelers Companies, and Markel Group, positioning itself as a high-performance specialty underwriter that consistently outperforms peers in combined ratio and return on equity within the mid-to-large cap insurance space. Founded in 1967 by William R. Berkley, the company remains a family-led enterprise with a strong emphasis on underwriting continuity. The leadership team is headed by Executive Chairman William R. Berkley, a Harvard Business School alumnus, and his son, W. Robert Berkley, Jr., who serves as President and Chief Executive Officer. Other key executives include Richard M. Baio (CFO and Senior VP), Richard Lowery (Senior VP and Chief Information Officer), and Lee Iannarone, who was recently elevated to Executive Vice President in January 2026 to oversee strategic business segments. The company’s board features notable figures such as Ronald E. Blaylock (GenNX360 Capital Partners) and Mary C. Farrell (Howard Gilman Foundation). WRB is characterized by high institutional ownership, approximately 70%, with significant stakes held by major entities like Mitsui Sumitomo Insurance and various global mutual funds.