Conference Call Scheduled for November 11, 2025

Ambac Financial Group, Inc. (NYSE:AMBC), an insurance holding company, today announced that it will release third quarter 2025 results on November 10, 2025, following the close of the market.

Conference Call

On November 11, 2025, at 8:30 a.m. (ET), Claude LeBlanc, President and Chief Executive Officer, and David Trick, Executive Vice President and Chief Financial Officer, will discuss third quarter 2025 results during a live conference call. A live audio webcast of the call will be available through the Investor Relations section of Ambac's website, www.ambac.com. Participants may also listen via telephone by dialing (877) 407-9716 or (201) 493-6779.

The webcast will be archived on Ambac's website. A replay of the call will be available through November 25, 2025, and can be accessed by dialing (844) 512-2921 (Domestic) or (412) 317-6671 (International), using ID# 13755834.

About Ambac

Ambac Financial Group, Inc. ("Ambac") is an insurance holding company headquartered in New York City. Ambac consists of a diverse mix of specialty insurance underwriting and distribution businesses in the U.S. and U.K. Ambac's common stock trades on the New York Stock Exchange under the symbol "AMBC". For more information, please go to www.ambac.com.

The Amended and Restated Certificate of Incorporation of Ambac contains substantial restrictions on the ability to transfer Ambac's common stock. Subject to limited exceptions, any attempted transfer of common stock shall be prohibited and void to the extent that, as a result of such transfer (or any series of transfers of which such transfer is a part), any person or group of persons shall become a holder of 5% or more of Ambac's common stock or a holder of 5% or more of Ambac's common stock increases its ownership interest.

View source version on businesswire.com: https://www.businesswire.com/news/home/20251028109592/en/

Investors:

ir@ambac.com

Media:

Kate Smith

Director, Corporate Communications

(212) 208-3452

ksmith@ambac.com

Ambac to Release Third Quarter 2025 Results on November 10, 2025