Accelerant Holdings Announces Closing of Upsized Initial Public Offering and Full Exercise of Over-Allotment Option

Accelerant Holdings ("Accelerant") announced today the closing of its upsized initial public offering of 39,630,324 of its Class A common shares, par value $0.0000011951862 per share (the "Common Shares"), at a price to the public of $21.00 per Common Share. The offering consisted of 20,276,280 Common Shares offered by Accelerant and 19,354,044 Common Shares sold by certain of Accelerant's existing shareholders (the "Selling Shareholders"), which includes 5,169,172 Common Shares sold pursuant to the full exercise by the underwriters of their over-allotment option. Accelerant will not receive any proceeds from the sale of Common Shares by the Selling Shareholders. The Common Shares began trading on the New York Stock Exchange under the ticker symbol "ARX" on July 24, 2025.

Morgan Stanley & Co. LLC acted as lead left active bookrunner, Goldman Sachs & Co. LLC acted as lead right active bookrunner, and BMO Capital Markets Corp. and RBC Capital Markets, LLC acted as active bookrunners for the offering. Wells Fargo Securities, LLC; Piper Sandler & Co.; William Blair & Company, L.L.C.; Raymond James & Associates, Inc.; and TD Securities (USA) LLC acted as bookrunners. Citizens Capital Markets and FT Partners acted as co-managers.

The offering of Accelerant's Common Shares was made only by means of a prospectus. Copies of the final prospectus relating to the offering may be obtained for free by visiting EDGAR on the U.S. Securities and Exchange Commission's (the "SEC") website at www.sec.gov. Alternatively, copies of the final prospectus may be obtained from: Morgan Stanley & Co. LLC, Attention: Prospectus Department, 180 Varick Street, 2nd Floor, New York, NY 10014 or by email at [email protected]; Goldman Sachs & Co. LLC, Attention: Prospectus Department, 200 West Street, New York, NY 10282, by telephone at (866) 471-2526, or by email at [email protected]; BMO Capital Markets Corp., Attention: Equity Syndicate Department, 151 W 42nd Street, 32nd Floor, New York, NY 10036, by telephone at (800) 414-3627, or by email at [email protected]; RBC Capital Markets, LLC, Attention: Equity Capital Markets, 200 Vesey Street, 8th Floor, New York, NY 10281, by telephone at (877) 822-4089, or by email at [email protected].

A registration statement on Form S-1 relating to the Common Shares was declared effective by the SEC on July 23, 2025. This press release does not constitute an offer to sell or the solicitation of an offer to buy Common Shares, and shall not constitute an offer, solicitation or sale in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of that state or jurisdiction.

ABOUT ACCELERANT

Accelerant is a data-driven risk exchange connecting underwriters of specialty insurance risk with risk capital providers. Accelerant was founded in 2018 by a group of longtime insurance industry executives and technology experts who shared a vision of rebuilding the way risk is exchanged – so that it works better, for everyone. The Accelerant risk exchange does business across 22 different countries and more than 500 specialty insurance products.

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