NBT BANCORP INC — Director's Dealing 2017

Feb 14, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NBT BANCORP INC (NBTB)
CIK: 0000790359
Period of Report: 2017-02-10

Reporting Person: DIETRICH MARTIN A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-10	NBT Bancorp Inc. Common Stock	J	203.398	$0.0	Acquired	123409.443	Direct
2017-02-10	NBT Bancorp Inc. Common Stock	M	23206	$28.01	Acquired	146615.443	Direct
2017-02-10	NBT Bancorp Inc. Common Stock	S	23206	$39.9611	Disposed	123409.443	Direct
2017-02-10	NBT Bancorp Inc. Common Stock	J	327.806	$0.0	Acquired	19608.401	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-02-10	Non-Qualified Stock Option (right to buy)	$28.01	M	23206	Disposed	2026-05-12	NBT Bancorp Inc. Common Stock (23206)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
NBT Bancorp Inc. Common Stock	340	Indirect
NBT Bancorp Inc. Common Stock	10731.723	Indirect

Footnotes

F1: Shares acquired under NBT Bancorp Dividend Reinvestment Plan during period of 1/1/2016 to 12/31/2016.

F2: Shares were purchased through dividend reinvestment from 1/1/2016 through 12/31/2016 through NBT Bancorp Inc. 401k Plan.