X0508 4 2025-11-10 0 0001593275 Hamilton Insurance Group, Ltd. HG 0001999736 Baker Alexander James C/O HAMILTON INSURANCE GROUP, LTD. WELLESLEY HOUSE NORTH, 90 PITTS BAY ROAD PEMBROKE D0 HM08 BERMUDA 0 1 0 0 CEO, Hamilton Global Specialty 0 Class B Common Shares 2025-11-10 4 F 0 13852 26.08 D 102486 D Represents shares withheld to satisfy tax obligations arising out of the vesting of the reporting person's restricted stock units. Represents the closing price per share on November 7, 2025, used to determine the number of shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting. Includes restricted stock units. /s/ Gemma Carreiro, Attorney-in-Fact 2025-11-12