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 *
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)
05/02/2006
(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 05/02/2006   A   400 A $ 0 (1) 47,210.913 D  
NBT Bancorp Inc. Common Stock 05/02/2006   A   644 A $ 0 (2) 47,854.913 D  
NBT Bancorp Inc. Common Stock               1,635 I 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) $ 21.74 05/02/2006   A   1,500   05/01/2007(3) 05/01/2016 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 100   100 D  
Non-Qualified Stock Option (right to buy) $ 17.6008             01/01/2004(3) 01/01/2013 NBT Bancorp Inc. Common Stock 600   600 D  
Non-Qualified Stock Option (right to buy) $ 20.7492             05/01/2006(3) 05/01/2015 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) $ 22.1542             02/02/2006(4) 02/02/2014 NBT Bancorp Inc. Common Stock 1,300   1,300 D  
Non-Qualified Stock Option (right to buy) $ 23.05             01/28/2007(4) 01/28/2015 NBT Bancorp Inc. Common Stock 100   100 D  
Non-Qualified Stock Option (right to buy) $ 23.1133             01/26/2007(4) 01/26/2015 NBT Bancorp Inc. Common Stock 400   400 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  

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   05/03/2006
**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) 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.
(4) 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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