ambac financial group, inc. (“ambac”), headquartered in new york city, is a holding company whose subsidiaries, including its principal operating subsidiary, ambac assurance corporation (“ambac assurance”), everspan financial guarantee corporation, and ambac assurance uk limited, provided financial guarantees and other financial services to clients in both the public and private sectors globally. ambac assurance, including the segregated account of ambac assurance (in rehabilitation), is a guarantor of public finance and structured finance obligations. ambac is also exploring opportunities involving the development or acquisition of new financial services businesses. ambac’s common stock trades on the nasdaq global select market (nasdaq: ambc)