X0306 4 2016-11-09 0 0000036270 M&T BANK CORP MTB 0001635662 Coletti Janet M. ONE M&T PLAZA BUFFALO NY 14203 0 1 0 0 Executive Vice President Common Stock 2016-11-09 4 M 0 6471 121.31 A 15493 D Common Stock 2016-11-09 4 F 0 759 131.54 D 14734 D Common Stock 2016-11-09 4 S 0 5647 131.57 D 9087 D Common Stock 3643 I By 401(k) Plan Option (right to buy) 121.31 2016-11-09 4 M 0 6471 0.00 D 2017-01-31 Common Stock 6471 0 D Phantom Common Stock Units Common Stock 1217 I Supplemental 401(k) Plan This transaction was executed in multiple trades at prices ranging from $131.544 to $131.589. The price reported above reflects the weighted average sale price. The reporting person hereby undertakes to provide upon request to the SEC staff or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected. The information presented is as of September 30, 2016. Currently exercisable. The option was granted under an employee stock option plan maintained by M&T Bank Corporation, and therefore the reporting person paid no price for the option. The reported phantom common stock units are held by the reporting person in an excess benefit plan account maintained by M&T Bank Corporation and represent a like number of shares of M&T Bank Corporation common stock. The phantom common stock units may only be settled in cash upon distribution in accordance with the terms of the plan. The reported phantom common stock units also include units acquired through the dividend reinvestment feature of the plan. By: Karla L. Harlow, Esq. (Attorney-In-Fact) 2016-11-14