Company: MTB-PJ
Filing Date: 2025-03-04
Form Type: DEFA14A
Source: 0001193125-25-044786
Chunk: 0

Company: M&T BANK CORP
Filing Date: 2025-03-04
Form: DEFA14A
Chunk 0
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S A VOTE FOR PROPOSALS 2 AND 3:

| 2. | TO APPROVE THE 2024 COMPENSATION OF M&T BANK CORPORATION’S NAMED EXECUTIVE OFFICERS. |

| PLEASE NOTE: YOU CANNOT VOTE BY RETURNING THIS NOTICE                                                                                       
 To vote shares you must go online or request a paper copy of the proxy materials to receive a proxy card. If you wish to attend and vote at 
 the meeting, please refer to the proxy statement for instructions.                                                                          |

ORDER MATERIALS Please make your materials request by using one of the methods listed below. You will need the number located in the box on the reverse side. REQUEST VIA:

| Internet | Visit envisionreports.com/MTB |

| Phone | Call 1-866-641-4276 |

| Email | Send an email to investorvote@computershare.com and include: |

| • |     | “Proxy Materials M&T Bank Corporation” in the subject line |

| • |     | Your full name and address |

| • |     | The number located in the box on the reverse side |

| • |     | Statement that you want a paper copy of the meeting materials |

| PLEASE REVIEW THE MEETING MATERIALS   The Proxy                                            
 Statement, Message to Shareholders and Form 10-K are available at envisionreports.com/MTB. |