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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
MURPHY MICHAEL M
   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. Date of Earliest Transaction (Month/Day/Year)
05/10/2010
(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 05/10/2010   M   600 A $ 22.1542 27,017 D  
NBT Bancorp Inc. Common Stock 05/10/2010   S   600 D $ 24.26 26,417 D  
NBT Bancorp Inc. Common Stock 05/10/2010   M   400 A $ 22.1542 26,817 D  
NBT Bancorp Inc. Common Stock 05/10/2010   S   400 D $ 24.26 26,417 D  
NBT Bancorp Inc. Common Stock 05/10/2010   M   630 A $ 23.2708 27,047 D  
NBT Bancorp Inc. Common Stock 05/10/2010   S   630 D $ 24.26 26,417 D  
NBT Bancorp Inc. Common Stock 05/10/2010   M   300 A $ 23.1133 26,717 D  
NBT Bancorp Inc. Common Stock 05/10/2010   S   300 D $ 24.26 26,417 D  
NBT Bancorp Inc. Common Stock 05/10/2010   M   100 A $ 23.1133 26,517 D  
NBT Bancorp Inc. Common Stock 05/10/2010   S   100 D $ 24.26 26,417 D  
NBT Bancorp Inc. Common Stock 05/10/2010   M   100 A $ 23.05 26,517 D  
NBT Bancorp Inc. Common Stock 05/10/2010   S   100 D $ 24.26 26,417 D  
NBT Bancorp Inc. Common Stock 05/10/2010   M   300 A $ 20.7492 26,717 D  
NBT Bancorp Inc. Common Stock 05/10/2010   S   300 D $ 24.26 26,417 D  
NBT Bancorp Inc. Common Stock 05/10/2010   M   1,500 A $ 21.74 27,917 D  
NBT Bancorp Inc. Common Stock 05/10/2010   S   1,500 D $ 24.26 26,417 D  
NBT Bancorp Inc. Common Stock 05/10/2010   M   1,200 A $ 22.4842 27,617 D  
NBT Bancorp Inc. Common Stock 05/10/2010   S   1,200 D $ 24.26 26,417 D  
NBT Bancorp Inc. Common Stock 05/10/2010   M   100 A $ 18.3408 26,517 D  
NBT Bancorp Inc. Common Stock 05/10/2010   S   100 D $ 24.26 26,417 D  
NBT Bancorp Inc. Common Stock 05/10/2010   M   900 A $ 22.5508 27,317 D  
NBT Bancorp Inc. Common Stock 05/10/2010   S   900 D $ 24.26 26,417 D  
NBT Bancorp Inc. Common Stock               2,950 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 1474 (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 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) $ 18.3408 05/10/2010   M     100 08/08/2009(1) 08/08/2017 NBT Bancorp Inc. Common Stock 100 $ 24.25 0 D  
Non-Qualified Stock Option (right to buy) $ 20.7492 05/10/2010   M     300 05/01/2006(2) 05/01/2015 NBT Bancorp Inc. Common Stock 300 $ 24.25 0 D  
Non-Qualified Stock Option (right to buy) $ 21.74 05/10/2010   M     1,500 05/01/2007(2) 05/01/2016 NBT Bancorp Inc. Common Stock 1,500 $ 24.25 0 D  
Non-Qualified Stock Option (right to buy) $ 22.1542 05/10/2010   M     600 02/02/2006(1) 02/02/2014 NBT Bancorp Inc. Common Stock 600 $ 24.25 400 D  
Non-Qualified Stock Option (right to buy) $ 22.1542 05/10/2010   M     400 02/02/2006(1) 02/02/2014 NBT Bancorp Inc. Common Stock 400 $ 24.25 0 D  
Non-Qualified Stock Option (right to buy) $ 22.4842 05/10/2010   M     1,200 05/01/2008(2) 05/01/2017 NBT Bancorp Inc. Common Stock 1,200 $ 24.25 300 D  
Non-Qualified Stock Option (right to buy) $ 22.5508 05/10/2010   M     900 05/01/2009(2) 05/01/2018 NBT Bancorp Inc. Common Stock 900 $ 24.25 600 D  
Non-Qualified Stock Option (right to buy) $ 23.05 05/10/2010   M     100 01/28/2007(1) 01/28/2015 NBT Bancorp Inc. Common Stock 100 $ 24.25 0 D  
Non-Qualified Stock Option (right to buy) $ 23.1133 05/10/2010   M     300 01/26/2007(1) 01/26/2015 NBT Bancorp Inc. Common Stock 300 $ 24.25 100 D  
Non-Qualified Stock Option (right to buy) $ 23.1133 05/10/2010   M     100 01/26/2007(1) 01/26/2015 NBT Bancorp Inc. Common Stock 100 $ 24.25 0 D  
Non-Qualified Stock Option (right to buy) $ 23.2708 05/10/2010   M     630 01/20/2006(2) 01/20/2015 NBT Bancorp Inc. Common Stock 630 $ 24.25 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MURPHY MICHAEL M
52 SOUTH BROAD STREET
NORWICH, NY 13815		   X      

Signatures

 By: Michael J. Chewens, Power of Attorney For: Michael M. Murphy   05/12/2010
**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 Non-Employee Director, Divisional Director and Subsidiary Director Stock Option Plan reload grant vests 100% two years after date of its grant.
(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.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.