FORM 5 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b). Form 3 Holdings Reported Form 4 Transactions Reported

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 ANNUAL STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * SADLER ROBERT E JR 2. Issuer Name and Ticker or Trading Symbol M&T BANK CORP [MTB] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) ONE M&T PLAZA 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year) 12/31/2011 (Street) BUFFALO, NY 14203-2399 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Reporting (check applicable line) _X_ Form Filed by One Reporting Person ___ Form Filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned at end of Issuer's Fiscal Year (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Amount (A) or (D) Price Common Stock 11/02/2011   J(1) 24,957 A $ 0 106,747 D   Common Stock 11/15/2011   G 17,296 D $ 0 (2) 89,451 D   Common Stock 11/16/2011   G 13,835 D $ 0 (2) 75,616 D   Common Stock             21,923 I See footnote (3) Common Stock 11/02/2011   J(1) 24,957 D $ 0 57,202 I By GRAT #4 (4)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

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SEC 2270 (9-02)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned at End of Issuer's Fiscal Year (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
SADLER ROBERT E JR ONE M&T PLAZA BUFFALO, NY 14203-2399	  X	Â	Â	Â

Signatures

By: Brian R. Yoshida, Esq. (Attorney-In-Fact)		02/14/2012
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	This transaction represents a distribution to the reporting person from GRAT #4 in the form of an annuity. See footnote (4) for information regarding GRAT #4.
(2)	The reported transaction involved a transfer of securities by gift for which no payment of consideration was received by the reporting person.
(3)	The indicated shares are held by the Sadler Family Foundation, a charitable trust in which the reporting person has no pecuniary interest. The reporting person is a trustee of the Sadler Family Foundation and holds voting and dispositive power over the shares held by it.
(4)	The indicated shares are held by a Grantor Retained Annuity Trust ("GRAT #4") of which the reporting person is trustee and of which the reporting person and his descendants are beneficiaries. The reporting person continues to report beneficial ownership of all of the M&T Bank Corporation common stock held by the GRAT #4 but disclaims beneficial ownership except to the extent of his pecuniary interest therein.

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