EX-23 7 g99734exv23.txt EX-23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM EXHIBIT 23 Consent of Independent Registered Public Accounting Firm We consent to the incorporation by reference in the following Registration Statements and in the related Prospectuses of our reports dated March 3, 2006, with respect to the consolidated financial statements of Regions Financial Corporation and subsidiaries, Regions Financial Corporation management's assessment of the effectiveness of internal control over financial reporting, and the effectiveness of internal control over financial reporting of Regions Financial Corporation, included in this Annual Report (Form 10-K) for the year ended December 31, 2005: Form S-3 No. 33-59735 pertaining to the registration of $200,000,000 subordinated debt securities; Form S-3 No. 333-54552 pertaining to the registration of $1,000,000,000 debt and equity securities; Form S-3 No. 333-74102-01 pertaining to the registration of $1,500,000,000 debt and equity securities; Form S-8 No. 333-117272 pertaining to the stock options and other equity interests issued, issuable, or assumed under: Regions Financial Corporation 1999 Long-Term Incentive Plan Regions Financial Corporation Amended and Restated 1991 Long-Term Incentive Plan Regions Financial Corporation Amended and Restated Directors' Stock Investment Plan Regions Financial Corporation 401 (K) Plan Regions Financial Corporation Supplemental 401 (K) Plan First Alabama Bancshares, Inc. 1988 Stock Option Plan Union Planters Corporation 1998 Stock Incentive Plan for Officers and Employees Union Planters Corporation Amended and Restated 1992 Stock Incentive Plan Union Planters Corporation 401 (K) Retirement Savings Plan Union Planters Corporation Amended and Restated 1996 Deferred Compensation Plan for Executives and pertaining to options assumed by Regions Financial resulting from the acquisitions by former Regions Financial Corporation of First Community Banking Services, Inc. First Bancshares, Inc. First Commercial Corporation Florida First Bancshares, Inc. First State Corporation First National Bancorp GF Bancshares, Inc. Greenville Financial Corporation Minden Bancshares, Inc. Morgan Keegan, Inc. PALFED, Inc. Park Meridian Financial Corporation Bullsboro Bancshares, Inc. VB&T Bancshares Corp. and pertaining to options assumed by Regions Financial resulting from the acquisitions by Union Planters Corporation of Capital Bancorporation, Inc. Capital Factors Holding, Inc. Capital Savings Bancorp, Inc. Grenada Sunburst System Corporation Leader Financial Corporation Magna Group, Inc. People's First Corporation Ready State Bank Strategic Outsourcing, Inc. Valley Federal Savings Bank Form S-3 No. 333-124337 pertaining to the registration of $2,000,000,000 debt and equity securities; Form S-3 No. 333-126797 pertaining to the securities registered on Form S-3 No. 333-124337; /s/ Ernst & Young LLP Birmingham, Alabama March 3, 2006