Ownership Submission
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 *
INGRAHAM JANET H
 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)
(Last)
(First)
(Middle)

52 SOUTH BROAD STREET		 3. Statement for Issuer's Fiscal Year Ended (Month/Day/Year)
12/31/2005
(Street)


NORWICH, NY 13815		 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
NBT Bancorp Inc. Common Stock 12/31/2005   J 328.296 A $ 0 (1) 12,866.212 D  
NBT Bancorp Inc. Common Stock 12/31/2005   J 1.551 A $ 0 (1) 524.806 I by Spouse

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. 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
Non-Qualified Stock Option (right to buy) $ 14.3492           01/28/2003(2) 01/28/2012 NBT Bancorp Inc. Common Stock
182
  182
D
 
Non-Qualified Stock Option (right to buy) $ 16.0625           01/22/2002(2) 01/22/2011 NBT Bancorp Inc. Common Stock
100
  100
D
 
Non-Qualified Stock Option (right to buy) $ 17.6008           01/01/2004(2) 01/01/2013 NBT Bancorp Inc. Common Stock
1,383
  1,383
D
 
Non-Qualified Stock Option (right to buy) $ 20.12           08/04/2005(3) 08/04/2013 NBT Bancorp Inc. Common Stock
300
  300
D
 
Non-Qualified Stock Option (right to buy) $ 20.7492           05/01/2006(2) 05/01/2015 NBT Bancorp Inc. Common Stock
1,500
  1,500
D
 
Non-Qualified Stock Option (right to buy) $ 21.3108           05/06/2006(3) 05/06/2014 NBT Bancorp Inc. Common Stock
309
  309
D
 
Non-Qualified Stock Option (right to buy) $ 21.5133           11/06/2005(3) 11/06/2013 NBT Bancorp Inc. Common Stock
184
  184
D
 
Non-Qualified Stock Option (right to buy) $ 22.1388           01/01/2005(2) 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(2) 01/20/2015 NBT Bancorp Inc. Common Stock
630
  630
D
 

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
INGRAHAM JANET H
52 SOUTH BROAD STREET
NORWICH, NY 13815		   X      

Signatures

By: Michael J. Chewens, Power of Attorney For: Janet H. Ingraham 02/10/2006
**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) Shares acquired unter NBT Bancorp Dividend Reinvestment Plan during period of January 1, 2005 to December 31, 2005 at prices ranging from $23.0588 to $23.8424 per share.
(2) 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.
(3) Pursuant to NBT Non-Employee Director, Divisional Director and Subsidiary Director Stock Option Plan reload grant vests 100% two years after date of its grant.

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