X0407 4 2023-07-01 0 0000874501 AMBAC FINANCIAL GROUP INC AMBC 0001543504 Matus Kristi Ann AMBAC FINANCIAL GROUP, INC. ONE WORLD TRADE CENTER, 41ST FLOOR NEW YORK NY 10007 1 0 0 0 0 Restricted Stock Units 2023-07-01 4 A 0 3569 0.00 A Common Stock 3569 3884 D Each restricted stock unit ("RSU") represents a contingent right to receive one share of the common stock of Ambac Financial Group, Inc. (the "Company"). RSU's granted on July 1, 2023 shall vest one year later on July 1, 2024. RSUs that have become vested shall settle and convert into shares of common stock upon the date that the reporting person resigns from, or otherwise ceases to be a member of, the Board of Directors of the Company. Stephen M. Ksenak, attorney-in-fact 2023-07-05