================================================================================ SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of earliest event reported): March 27, 1998 AMBAC FINANCIAL GROUP, INC. (Exact name of Registrant as specified in its charter) Delaware 1-10777 13-3621676 (State of incorporation) (Commission file number) (I.R.S. employer identification no.) One State Street Plaza New York, New York 10004 (Address of principal executive offices) (Zip Code) (212) 668-0340 (Registrant's telephone number, including area code) ================================================================================ Page 1 of 2 Index to Exhibits on Page 4 ITEM 5. OTHER EVENTS On March 27, 1998, financial statements for Ambac Assurance Corporation, the Registrant's wholly-owned subsidiary, for the year ended December 31, 1997 became available. ITEM 7. FINANCIAL STATEMENTS AND EXHIBITS (c) Exhibits. Exhibit Number Item -------------- ---- 99.06 Ambac Assurance Corporation consolidated financial statements as of December 31, 1997 and 1996 and for the three years ended December 31, 1997. Page 2 of 4 SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. Ambac Financial Group, Inc. (Registrant) Dated: March 27, 1998 By: /s/ Richard B. Gross --------------------------------- Richard B. Gross Senior Vice President, General Counsel and Secretary Page 3 of 4 INDEX TO EXHIBITS ----------------- Exhibit - ------- Number DESCRIPTION OF EXHIBIT - ------ ---------------------- 99.06 Ambac Assurance Corporation consolidated financial statements as of December 31, 1997 and 1996 and for the three years ended December 31, 1997. Page 4 of 4