X0508 4 2025-07-25 0001997350 Accelerant Holdings ARX 0002008632 ONeill Francis James UNIT 106, WINDWARD 3 REGATTA OFFICE PARK, WEST BAY ROAD GRAND CAYMAN E9 KY1-1108 CAYMAN ISLANDS true Co-Founder, Chief U/W Officer false Class A Common Shares 2025-07-25 4 C 0 7136705 A 7136705 D Class A Common Shares 2025-07-25 4 C 0 7975 A 7144680 D LP Interests of Accelerant Holdings LP 2025-07-25 4 C 0 163616981 0 D Class A Common Shares 7136705 0 D Convertible Preference Shares 2025-07-25 4 C 0 7975 0 D Class A Common Shares 7975 0 D Redeemable Preference Shares 2025-07-25 4 D 0 22190 31.55 D Common Shares 22190 0 D In connection with the Issuer's initial public offering ("IPO"), these limited partnership interests of Accelerant Holdings LP were exchanged for Class A Common Shares of the Issuer in proportion to the economic interests represented by the limited partnership interests. In connection with the Issuer's IPO, these shares of the Issuer's Preference Shares automatically converted into Class A Common Shares of the Issuer at a 1-for-1 conversion rate. In connection with the Issuer's IPO, these Redeemable Preference Shares were redeemed by the Issuer at a redemption price of $31.55 per share. /s/ Robert Hardy, Attorney-in-Fact 2025-07-29