Exhibit 32(a)

Certification of Periodic Financial Report by
Chief Executive Officer Pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002
and 18 U.S.C. § 1350

        I, Richard M. Kovacevich, Chairman and Chief Executive Officer of Wells Fargo & Company (the “Company”), certify that:

(1)	The Company’s Annual Report on Form 10-K for the period ended December 31, 2006 (the “Report”) fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and
(2)	the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

/s/ RICHARD M. KOVACEVICH  

Richard M. Kovacevich 

Chairman and Chief Executive Officer
Wells Fargo & Company 
March 1, 2007

        A signed original of this written statement required by Section 906 has been provided to Wells Fargo & Company and will be retained by Wells Fargo & Company and furnished to the Securities and Exchange Commission or its staff upon request.