ACA Capital Adds Approximately $1.6 Billion in Assets Under Management

Business Wire, March 13, 2007

NEW YORK -- ACA Capital Holdings, Inc. (NYSE: ACA) today announced that thus far during the first quarter of 2007 its asset management subsidiary, ACA Management L.L.C., closed ACA ABS 2007-1, a $1.5 billion, cash and synthetic investment grade asset-backed collateralized debt obligation and Dolomite, a [euro]58 million corporate managed tranche program. ACA Capital invested in $1.4 million of the equity of ACA ABS 2007-1, representing approximately 5% of the equity tranche.

ACA Capital is a holding company that provides asset management services and credit protection products to participants in the global credit derivatives markets, structured finance capital markets and municipal finance capital markets. ACA Capital's asset management services are provided through its asset management subsidiaries, ACA Management, L.L.C. and ACA Capital Management (U.K.) Pte. Limited, and its credit protection products are provided through its "A" rated financial guaranty insurance subsidiary, ACA Financial Guaranty Corporation. ACA Capital Management (U.K.) Pte. Limited is authorized and regulated by the Financial Services Authority. More information can be found at www.aca.com.