M&T BANK CORP

Evaluation of disclosure controls and procedures.

Based upon an evaluation carried out as of the end of the period covered by this report under the supervision and with the participation of M&T's management, including its Chairman and Chief Executive Officer and its Chief Financial Officer, of the effectiveness of M&T’s disclosure controls and procedures (as defined in Exchange Act rules 13a-15(e)), René F. Jones, Chairman of the Board and Chief Executive Officer, and Daryl N. Bible, Senior Executive Vice President and Chief Financial Officer, concluded that M&T’s disclosure controls and procedures were effective as of December 31, 2024.

Internal control over financial reporting.

(a) Management’s annual report on internal control over financial reporting. Included under the heading "Report on Internal Control Over Financial Reporting" in Item 8 of this Form 10-K.

(b) Attestation report of the registered public accounting firm. Included under the heading "Report of Independent Registered Public Accounting Firm" in Item 8 of this Form 10-K.

(c) Changes in internal control over financial reporting. M&T regularly assesses the adequacy of its internal control over financial reporting and enhances its controls in response to internal control assessments and internal and external audit and regulatory recommendations. No changes in internal control over financial reporting have been identified during the quarter ended December 31, 2024 that have materially affected, or are reasonably likely to materially affect, M&T’s internal control over financial reporting.