MARSHALL & ILSLEY CORP - FORM 10-K - EX-23 - CONSENT OF DELOITTE & TOUCHE LLP - March 1, 2010

Attached files

file filename
EX-21 - SUBSIDIARIES - MARSHALL & ILSLEY CORPdex21.htm
EX-24 - POWERS OF ATTORNEY - MARSHALL & ILSLEY CORPdex24.htm
EX-12 - COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES - MARSHALL & ILSLEY CORPdex12.htm
EX-31.(A) - RULE 13A-14(A)/15D-14(A) CERTIFICATION OF CHIEF EXECUTIVE OFFICER - MARSHALL & ILSLEY CORPdex31a.htm
EX-10.(T) - LETTER OF AMENDMENT BETWEEN M&I AND MR. FURLONG DATED FEBRUARY 17, 2009 - MARSHALL & ILSLEY CORPdex10t.htm
EX-10.(TT) - FORM OF OMNIBUS AMENDMENT AGREEMENTS - MARSHALL & ILSLEY CORPdex10tt.htm
EX-10.(SS) - FORM OF RESTRICTED STOCK AGREEMENT - MARSHALL & ILSLEY CORPdex10ss.htm
10-K - FORM 10-K - MARSHALL & ILSLEY CORPd10k.htm
EX-32.(A) - SECTION 1350 CERTIFICATION OF CHIEF EXECUTIVE OFFICER - MARSHALL & ILSLEY CORPdex32a.htm
EX-31.(B) - RULE 13A-14(A)/15D-14(A) CERTIFICATION OF CHIEF FINANCIAL OFFICER - MARSHALL & ILSLEY CORPdex31b.htm
EX-32.(B) - SECTION 1350 CERTIFICATION OF CHIEF FINANCIAL OFFICER - MARSHALL & ILSLEY CORPdex32b.htm
EX-99 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER - MARSHALL & ILSLEY CORPdex99.htm

EXHIBIT (23)

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in Registration Statement Nos. 333-147105 and 333-159746 on Form S-8, No. 333-150734 on Form S-4, and Nos. 333-147162 and 333-156087 on Form S-3 of our reports dated March 1, 2010, relating to the consolidated financial statements of Marshall & Ilsley Corporation and the effectiveness of Marshall & Ilsley Corporation’s internal control over financial reporting, appearing in the Annual Report on Form 10-K of Marshall & Ilsley Corporation for the year ended December 31, 2009.

/s/ Deloitte & Touche LLP

Milwaukee, Wisconsin

March 1, 2010