X0508 4 2024-05-16 0001593275 Hamilton Insurance Group, Ltd. HG 0002014678 Patterson Alan Neil C/O HAMILTON INSURANCE GROUP, LTD. WELLESLEY HOUSE NORTH, 90 PITTS BAY ROAD PEMBROKE D0 HM08 BERMUDA true false Class B Common Shares 2024-05-16 4 P 0 21135 16.66 A 21135 I By Doublehead Investment Holdings Limited The price reported in Column 4 represents a weighted average price. These Class B common shares were purchased in multiple transactions at prices ranging from $16.36 to $16.83, inclusive. The Reporting Person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote. Beneficially owned by the Reporting Person and his wife. /s/ Gemma Carreiro, Attorney-in-Fact 2024-05-20