X0101 42003-06-04 0000874501 AMBAC FINANCIAL GROUP INC ABK 0001175992 UNGER LAURA S 1000Common Stock2003-06-044A0566.48A3005DRepresents dividends on Restricted Stock Units ("RSUs") granted to the Reporting Person under the Issuer's 1997 Non-Employee Directors Equity Plan, as amended, which dividends are paid in the form of additional RSUs.Anne G. Gill, Attorney-in-fact for Laura S. Unger2003-06-05