Exhibit 23.(b).
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference of our report dated January 16, 2004, except for Note
25, as to which the date is January 27, 2004, with respect to the consolidated financial statements
of Huntington Bancshares Incorporated and subsidiaries incorporated by reference in this Annual
Report on Form 10-K for the year ended December 31, 2005, filed with the Securities and Exchange
Commission in the following Registration Statements and in the related prospectuses:
Form S-3 No. 33-63175 pertaining to the registration of Medium Term Notes, Series B dated October
3, 1995;
Form S-3 Nos. 333-53579, 333-53579-01, 333-53579-02, 333-53579-03, 333-53579-04, and 333-53579-05
pertaining to Huntington Bancshares Incorporated and Huntington Capital II, III, IV, V, and VI,
respectively, in connection with the registration of capital securities dated May 26, 1998 and
amended June 5, 1998.
Form S-3 No. 33-52569 pertaining to Huntington Bancshares Incorporated Dividend Reinvestment and
Common Stock Purchase Plan Post-Effective Amendment No. 2 dated September 25, 1998;
Form S-8 No. 33-37373 pertaining to Huntington Bancshares Incorporated 1990 Stock Option Plan dated
October 18, 1990;
Form S-8 No. 33-38784 pertaining to Huntington Bancshares Incorporated 1990 Stock Option Plan dated
January 28, 1991;
Form S-8 No. 33-10546 pertaining to Huntington Bancshares Incorporated Deferred Compensation Plan
for Directors Post-Effective Amendment No. 2 dated January 28, 1991;
Form S-8 No. 33-41774 pertaining to Huntington Bancshares Incorporated Deferred Compensation Plan
for Huntington Bancshares Incorporated Directors dated July 19, 1991;
Form S-8 No. 33-52553 pertaining to Huntington Bancshares Incorporated 1994 Stock Option Plan dated
March 8, 1994;
Form S-8 No. 33-46327 pertaining to Huntington Investment and Tax Savings Plan Post-Effective
Amendment No. 1 dated April 1, 1998;
Form S-8 No. 33-44208 pertaining to Huntington Supplemental Executive Stock Purchase and Tax
Savings Plan and Trust Post-Effective Amendment No. 1 dated April 1, 1998;
Form S-8 No. 333-52394 pertaining to Huntington Bancshares Incorporated Long Term Incentive
Compensation Plan dated December 21, 2000;
Form S-8 No. 333-61074 pertaining to Huntington Bancshares Incorporated 2001 Stock and Long-Term
Incentive Plan Post-Effective Amendment No. 1 dated June 30, 2005;
Form S-8 No. 333-75032 pertaining to Huntington Bancshares Incorporated Employee Stock Incentive
Plan dated December 13, 2001;
Form S-11 (no file number) filed with the Office of the Comptroller of the Currency in connection
with the potential future issuance of Class C or Class D preferred securities of Huntington
National Bank on May 18, 2001.
Information Memorandum, dated April 1, 2004, pertaining to Huntington Bancshares Incorporateds
global notes registered with the Luxembourg Stock Exchange.
Form S-8 No. 333-126256 pertaining to Huntington Bancshares Incorporated securities to be offered
to employees in employee benefit plans dated June 30, 2005.
Form S-3 ASR No. 333-133143 pertaining to Huntington Bancshares Incorporated automatic shelf
registration statement of securities of well-known seasoned issuers dated January 19, 2006.
/s/ Ernst & Young LLP
Columbus, Ohio
February 22, 2006