Ambac Financial Group, Inc. (NYSE: ABK) (Ambac) announced that it
will host a conference call for investors on May 11 at 11:00 a.m.
Eastern to discuss first quarter 2009 earnings which are scheduled to be
released at 8:30 a.m. that morning. The dial in number for the call is
877-407-0778 (Domestic) and 201-689-8565 (International).
The conference call will also be broadcast live on Ambac’s web site at www.ambac.com.
Beginning at 2 p.m. on May 11 through May 21, the conference call will
be available in replay. The replay numbers are 877-660-6853 (Domestic)
and 201-612-7415 (International). The account and confirmation numbers
for the replay are 286 and 321894, respectively. A recording will also
be available on Ambac’s web site approximately one hour after the end of
the conference call.
Ambac Financial Group, Inc., headquartered in New York City, is a
holding company whose affiliates provide financial guarantees and
financial services to clients in both the public and private sectors
around the world. Ambac's principal operating subsidiary, Ambac
Assurance Corporation, a guarantor of public finance and structured
finance obligations, has earned a Ba3 rating (developing outlook) from
Moody's Investors Service, Inc. and an A rating (negative outlook) from
Standard & Poor's Ratings Services. Ambac Financial Group, Inc. common
stock is listed on the New York Stock Exchange (ticker symbol ABK).

Ambac Financial Group, Inc.
Investor/Media:
Vandana
Sharma, 212-208-3333
vsharma@ambac.com
or
Fixed
Income:
Peter Poillon, 212-208-3222
ppoillon@ambac.com