NBT BANCORP INC — Director's Dealing 2010

Jan 19, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NBT BANCORP INC (NBTB)
CIK: 0000790359
Period of Report: 2010-01-15

Reporting Person: DIETRICH MARTIN A (Director, President/CEO NBT Bancorp)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-01-15	Non-Qualified Stock Option (right to buy)	$20.19	A	25000	Acquired	2020-01-15	NBT Bancorp Inc. Common Stock (25000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
NBT Bancorp Inc. Common Stock	51286.205	Direct
NBT Bancorp Inc. Common Stock	15294.868	Indirect
NBT Bancorp Inc. Common Stock	755	Indirect
NBT Bancorp Inc. Common Stock	9057.456	Indirect
NBT Bancorp Inc. Common Stock	848	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Non-Qualified Stock Option (right to buy)	$14.3492	2012-01-28	NBT Bancorp Inc. Common Stock (30000)	30000	Direct
Non-Qualified Stock Option (right to buy)	$17.538	2013-01-01	NBT Bancorp Inc. Common Stock (24000)	24000	Direct
Non-Qualified Stock Option (right to buy)	$20.3617	2018-01-15	NBT Bancorp Inc. Common Stock (25000)	25000	Direct
Non-Qualified Stock Option (right to buy)	$22.1715	2014-01-01	NBT Bancorp Inc. Common Stock (21311)	21311	Direct
Non-Qualified Stock Option (right to buy)	$22.205	2014-02-11	NBT Bancorp Inc. Common Stock (3840)	3840	Direct
Non-Qualified Stock Option (right to buy)	$22.352	2016-01-01	NBT Bancorp Inc. Common Stock (30000)	30000	Direct
Non-Qualified Stock Option (right to buy)	$23.2708	2015-01-20	NBT Bancorp Inc. Common Stock (22423)	22423	Direct
Non-Qualified Stock Option (right to buy)	$24.4458	2015-08-01	NBT Bancorp Inc. Common Stock (6470)	6470	Direct
Non-Qualified Stock Option (right to buy)	$24.5692	2017-12-27	NBT Bancorp Inc. Common Stock (12641)	12641	Direct
Non-Qualified Stock Option (right to buy)	$25.38	2019-01-15	NBT Bancorp Inc. Common Stock (25000)	25000	Direct
Non-Qualified Stock Option (right to buy)	$25.762	2017-01-01	NBT Bancorp Inc. Common Stock (28000)	28000	Direct

Footnotes

F1: Pursuant to NBT Bancorp Inc. 2009 Omnibus Stock Option Agreement the grant vests 40% for first year, 20% annually for following years.

F2: Pursuant to NBT Bancorp Inc. 1993 Stock Option Plan grant vests 40% for first year, 20% annually for following years.

F3: Pursuant to NBT Bancorp Inc. 1993 Stock Option Plan reload grant vests 100% two years after date of its grant.