M&T Bank (MTB) 10-K 2009 FY Annual report

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-57330, 333-63660, 33-12207, 33-58500, 33-63917, 333-43171, 333-43175, 333-63985, 333-97031, 33-32044, 333-16077, 333-84384, 333-127406, 333-150122, 333-164015, 333-163992, 333-160769 and 333-159795) and Form S-3 (No. 333-155759) of M&T Bank Corporation of our report dated February 19, 2010, relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PRICEWATERHOUSECOOPERS LLP

Buffalo, New York
February 19, 2010