Ambac Assurance Corporation is part of Ambac Financial Group, headquartered in New York City, and 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, is a leading guarantor of public and structured finance obligations. It has earned triple-A ratings, the highest ratings available, from Moody's Investors Service, Standard & Poor's Ratings Services, Fitch, Inc.

Website: ambac.com

Phone: (212) 658-7470

Cross Streets: Near the intersection of World Trade Ctr and Joe Dimaggio Hwy