Compass Bancshares First Quarter 2006 Results Conference Call and Webcast at 11:00 a.m. CST on April 18

Compass Bancshares, Inc., (NASDAQ:CBSS) today announcedthat D. Paul Jones, Jr., chairman and chief executive officer, andGarrett R. Hegel, chief financial officer, will host a conference callto discuss first quarter 2006 results at 11:00 a.m. CST on Tuesday,April 18, 2006. Additional material information, includingforward-looking information such as considerations regarding futureresults, may be discussed during the presentation. Interested partiesmay access the call via either the Internet or telephone. Internetaccess to the call and to the supporting slide presentation will beavailable through Compass' web site at www.compassbank.com. Click onthe link labeled "Compass Bancshares Quarterly Conference Call" toaccess the webcast and slide presentation. For telephone access, dial1-888-543-2107, passcode Compass. Telephone participants are requestedto dial in 10 minutes prior to the start of the call to allow time forall participants to log in.

A replay of the conference call will be available through Compass'web site and by telephone at 1-800-642-1687 (conference ID 7897627)until midnight on April 25, 2006.

Compass Bancshares, Inc. is a $30.8 billion Southwestern financialholding company which operates 409 full-service banking centersincluding 162 in Texas, 90 in Alabama, 73 in Arizona, 42 in Florida,32 in Colorado and 10 in New Mexico. Compass is among the top 30 U.S.bank holding companies by asset size and ranks among the top earnersof its size based on return on equity. Shares of Compass' common stockare traded through the Nasdaq stock market under the symbol CBSS.Additional information about Compass, a member of the S&P 500 Indexand Dow Jones Select Dividend Index, can be found atwww.compassbank.com.

"Safe Harbor" Statement under the Private Securities LitigationReform Act of 1995

In accordance with the safe harbor provisions of the PrivateSecurities Litigation Reform Act of 1995, Compass Bancshares, Inc.notes that any statements in this press release, and elsewhere, thatare not historical facts are "forward-looking statements" that involverisks and uncertainties that may cause the Company's actual results ofoperations to differ materially from expected results. For adiscussion of such risks and uncertainties, see the Company's AnnualReport on Form 10-K for the most recently ended fiscal year as well asits other filings with the U.S. Securities and Exchange Commission.