SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* CHOJNOWSKI RICHARD (Last) (First) (Middle) 52 SOUTH BROAD STREET (Street) NORWICH NY 13815 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol NBT BANCORP INC [ NBTB ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 05/03/2005
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

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 Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
NBT Bancorp Inc. Common Stock	05/03/2005		A		400	A	$0(1)	268,209	D
NBT Bancorp Inc. Common Stock	05/03/2005		A		682	A	$0(2)	268,891	D

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 Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-Qualified Stock Option (right to buy)	$20.7492	05/03/2005		A		1,500		05/01/2006(3)	05/01/2015	NBT Bancorp Inc. Common Stock	1,500	$0	1,500	D
Non-Qualified Stock Option (right to buy)	$14.3492							01/28/2003(3)	01/28/2012	NBT Bancorp Inc. Common Stock	1,500		1,500	D
Non-Qualified Stock Option (right to buy)	$16.0625							01/22/2002(3)	01/22/2011	NBT Bancorp Inc. Common Stock	1,500		1,500	D
Non-Qualified Stock Option (right to buy)	$17.6008							01/01/2004(3)	01/01/2013	NBT Bancorp Inc. Common Stock	1,500		1,500	D
Non-Qualified Stock Option (right to buy)	$22.1388							01/01/2005(3)	01/01/2014	NBT Bancorp Inc. Common Stock	1,500		1,500	D
Non-Qualified Stock Option (right to buy)	$23.2708							01/20/2006(3)	01/20/2015	NBT Bancorp Inc. Common Stock	630		630	D

Explanation of Responses:

1. Acquired pursuant to the NBT Bancorp Inc. Non-employee Directors' Restricted and Deferred Stock Plan pursuant to which each outside director is entitled to receive an annual retainer for Board service in the form of deferred shares of the Company's common stock rather than cash that vests immediately upon date of grant.

2. Acquired pursuant to the formula provisions of the NBT Bancorp Inc. Non-employee Directors' Restricted and Deferred Stock Plan pursuant to which each outside director is entitled to receive an annual retainer for Board service in the form of restricted shares of the Company's common stock rather than cash that vests in three annual installments.

3. Pursuant to NBT Non-Employee Director, Divisional Director and Subsidiary Director Stock Option Plan grant vests 40% for first year, 20% annually for following years.

	By: Michael J. Chewens, Power of Attorney For: Richard Chojnowski	05/05/2005
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
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