X0508 4 2024-06-12 0000011544 BERKLEY W R CORP WRB 0001236253 BERKLEY WILLIAM R JR W. R. BERKLEY CORPORATION 475 STEAMBOAT ROAD GREENWICH CT 06830 1 1 0 0 President and CEO 0 Common Stock 2024-06-12 4 A 0 2534 0 A 2884966 D Common Stock 900000 I By William R. Berkley 2011 GST Trust Represents award granted pursuant to the terms of the W. R. Berkley Corporation 2009 Directors Stock Plan, as amended and restated. Includes 1,972,462 shares of common stock underlying vested Restricted Stock Units ("RSUs") (the receipt of which has been deferred) and does not include shares of common stock underlying unvested performance-based RSUs. William R. Berkley, Jr. 2024-06-12