X0508 4 2023-12-19 0001593275 Hamilton Insurance Group, Ltd. HG 0001999708 Carreiro Gemma Elizabeth C/O HAMILTON INSURANCE GROUP, LTD. WELLESLEY HOUSE NORTH, 90 PITTS BAY ROAD PEMBROKE D0 HM08 BERMUDA true Group General Counsel & Sec. false Restricted Stock Units 2023-12-19 4 A 0 58942 0 A Class B Common Shares 58942 58942 D Each restricted stock unit represents a right to receive one Class B common share. The restricted stock units vest 50% on 10 November 2024 and 50% on 10 November 2025, subject to the terms of The Hamilton Insurance Group, Ltd. Value Appreciation Pool Rules. The number reported here reflects the restricted stock units outstanding subject to future vesting. /s/ Gemma Carreiro 2024-01-02