Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

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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(Print or Type Responses)
1. Name and Address of Reporting Person *
FORSYTHE DARYL R
   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
__X__ Officer (give title below) _____ Other (specify below)
CEO NBT Bancorp
(Last)
(First)
(Middle)
52 SOUTH BROAD STREET		 3. Date of Earliest Transaction (Month/Day/Year)
06/30/2005
(Street)

NORWICH, NY 13815		 4. If Amendment, Date 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
(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 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 06/30/2005   M   9,540 A $ 20.441 118,215.691 D  
NBT Bancorp Inc. Common Stock 06/30/2005   S   9,540 D $ 24.0001 108,675.691 D  
NBT Bancorp Inc. Common Stock 06/30/2005   M   8,920 A $ 16.0625 117,595.691 D  
NBT Bancorp Inc. Common Stock 06/30/2005   S   8,920 D $ 24.0001 108,675.691 D  
NBT Bancorp Inc. Common Stock 06/30/2005   M   13,833 A $ 20.5952 122,508.691 D  
NBT Bancorp Inc. Common Stock 06/30/2005   S   13,833 D $ 24.0013 108,675.691 D  
NBT Bancorp Inc. Common Stock 06/30/2005   M   8,160 A $ 14.3492 116,835.691 D  
NBT Bancorp Inc. Common Stock 06/30/2005   S   8,160 D $ 24.0002 108,675.691 D  
NBT Bancorp Inc. Common Stock 06/30/2005   M   256 A $ 17.538 108,931.691 D  
NBT Bancorp Inc. Common Stock 06/30/2005   S   256 D $ 24.0002 108,675.691 D  
NBT Bancorp Inc. Common Stock 07/01/2005   M   5,516 A $ 18.1632 114,191.691 D  
NBT Bancorp Inc. Common Stock 07/01/2005   M   3,045 A $ 20.5952 117,236.691 D  
NBT Bancorp Inc. Common Stock 07/01/2005   M   1,980 A $ 16.0625 119,216.691 D  
NBT Bancorp Inc. Common Stock 07/01/2005   M   2,300 A $ 14.3492 121,516.691 D  
NBT Bancorp Inc. Common Stock               8,585.849 I 401k
NBT Bancorp Inc. Common Stock               2,758.846 I NBT Bancorp ESOP
NBT Bancorp Inc. Common Stock               1,511 I by Spouse

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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 Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: 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) $ 14.3492 06/30/2005   M     8,160 01/28/2003(1) 01/28/2012 NBT Bancorp Inc. Common Stock 8,160 $ 0 12,760 D  
Non-Qualified Stock Option (right to buy) $ 14.3492 07/01/2005   M     2,300 01/28/2003(1) 01/28/2012 NBT Bancorp Inc. Common Stock 2,300 $ 0 10,460 D  
Non-Qualified Stock Option (right to buy) $ 16.0625 06/30/2005   M     8,920 01/22/2002(1) 01/22/2011 NBT Bancorp Inc. Common Stock 8,920 $ 0 1,980 D  
Non-Qualified Stock Option (right to buy) $ 16.0625 07/01/2005   M     1,980 01/22/2002(1) 01/22/2011 NBT Bancorp Inc. Common Stock 1,980 $ 0 0 D  
Non-Qualified Stock Option (right to buy) $ 17.538 06/30/2005   M     256 01/01/2004(1) 01/01/2013 NBT Bancorp Inc. Common Stock 256 $ 0 21,569 D  
Non-Qualified Stock Option (right to buy) $ 18.1632 07/01/2005   M     5,516 01/27/1999(1) 01/27/2008 NBT Bancorp Inc. Common Stock 5,516 $ 0 0.99 D  
Non-Qualified Stock Option (right to buy) $ 20.441 06/30/2005   M     9,540 04/28/2001(2) 04/28/2009 NBT Bancorp Inc. Common Stock 9,540 $ 0 960 D  
Non-Qualified Stock Option (right to buy) $ 20.5952 06/30/2005   M     13,833 01/26/2000(1) 01/26/2009 NBT Bancorp Inc. Common Stock 13,833 $ 0 3,045 D  
Non-Qualified Stock Option (right to buy) $ 20.5952 07/01/2005   M     3,045 01/26/2000(1) 01/26/2009 NBT Bancorp Inc. Common Stock 3,045 $ 0 0 D  
Non-Qualified Stock Option (right to buy) $ 23.7553 07/01/2005   A   5,516   07/01/2007(2) 07/01/2015 NBT Bancorp Inc. Common Stock 5,516 $ 0 5,516 D  
Non-Qualified Stock Option (right to buy) $ 23.7553 07/01/2005   A   3,045   07/01/2007(2) 07/01/2015 NBT Bancorp Inc. Common Stock 3,045 $ 0 8,561 D  
Non-Qualified Stock Option (right to buy) $ 23.7553 07/01/2005   A   1,980   07/01/2007(2) 07/01/2015 NBT Bancorp Inc. Common Stock 1,980 $ 0 10,541 D  
Non-Qualified Stock Option (right to buy) $ 23.7553 07/01/2005   A   2,300   07/01/2007(2) 07/01/2015 NBT Bancorp Inc. Common Stock 2,300 $ 0 12,841 D  
Non-Qualified Stock Option (right to buy) $ 19.7917             08/11/2005(2) 08/11/2013 NBT Bancorp Inc. Common Stock 5,200   5,200 D  
Non-Qualified Stock Option (right to buy) $ 19.7925             08/14/2005(2) 08/14/2013 NBT Bancorp Inc. Common Stock 6,050   6,050 D  
Non-Qualified Stock Option (right to buy) $ 19.8125             08/12/2005(2) 08/12/2013 NBT Bancorp Inc. Common Stock 11,700   11,700 D  
Non-Qualified Stock Option (right to buy) $ 20.0558             08/05/2005(2) 08/05/2013 NBT Bancorp Inc. Common Stock 4,000   4,000 D  
Non-Qualified Stock Option (right to buy) $ 22.1715             01/01/2005(1) 01/01/2014 NBT Bancorp Inc. Common Stock 30,444   30,444 D  
Non-Qualified Stock Option (right to buy) $ 22.3517             09/01/2006(2) 09/01/2014 NBT Bancorp Inc. Common Stock 9,700   9,700 D  
Non-Qualified Stock Option (right to buy) $ 22.4075             09/08/2006(2) 09/08/2014 NBT Bancorp Inc. Common Stock 15,365   15,365 D  
Non-Qualified Stock Option (right to buy) $ 23.2708             01/20/2006(1) 01/20/2015 NBT Bancorp Inc. Common Stock 31,907   31,907 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
FORSYTHE DARYL R
52 SOUTH BROAD STREET
NORWICH, NY 13815		   X     CEO NBT Bancorp  

Signatures

 By: Michael J. Chewens, Power of Attorney For: Daryl R. Forsythe   07/05/2005
**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) Pursuant to NBT Bancorp Inc. 1993 Stock Option Plan grant vests 40% for first year, 20% annually for following years.
(2) Pursuant to NBT Bancorp Inc. 1993 Stock Option Plan reload grant vests 100% two years after date of its grant.

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