Colonial BancGroup to Announce First Quarter Results on April 19, 2006.

MONTGOMERY, Ala. -- The Colonial BancGroup, Inc. announced that it plans to release first quarter 2006 results before market open on Wednesday, April 19, 2006. Colonial management will host a conference call on April 19, 2006 at 3:00 PM/ET to discuss the earnings results for the first quarter. Individuals are encouraged to listen to the live webcast of the presentation as well as view a slide presentation by visiting Colonial's web site at www.colonialbank.com. The webcast will be hosted under "Conference Calls and Presentations" located under the "Investor Relations" section of the website. To participate in the Q&A session of the conference call, dial [phone] (Leader: Glenda Allred).

A replay of the conference call will be available beginning at 6:00 PM/ET on April 19, 2006 and ending at midnight on April 26, 2006 by dialing [phone] (Domestic Toll-Free) or [phone] (Toll International). The passcode for both numbers is 3498728.

Colonial BancGroup, Inc. is a $21 billion bank holding company operating more than 300 offices in Florida, Alabama, Georgia, Nevada and Texas. The Company's common stock is traded on the New York Stock Exchange under the symbol CNB. In many newspapers the stock is listed as ColBgp.