NBT BANCORP INC — Director's Dealing 2017

Feb 6, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NBT BANCORP INC (NBTB)
CIK: 0000790359
Period of Report: 2017-02-03

Reporting Person: DIETRICH MARTIN A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-02-03	NBT Bancorp Inc. Common Stock	M	20515	$29.97	Acquired	143566.045	Direct
2017-02-03	NBT Bancorp Inc. Common Stock	S	20515	$40.4047	Disposed	123051.045	Direct
2017-02-03	NBT Bancorp Inc. Common Stock	A	155	$0.0	Acquired	123206.045	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-02-03	Non-Qualified Stock Option (right to buy)	$29.97	M	20515	Disposed	2026-07-27	NBT Bancorp Inc. Common Stock (20515)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
NBT Bancorp Inc. Common Stock	19280.595	Indirect
NBT Bancorp Inc. Common Stock	340	Indirect
NBT Bancorp Inc. Common Stock	10731.723	Indirect

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Non-Qualified Stock Option (right to buy)	$28.01	2026-05-12	NBT Bancorp Inc. Common Stock (26743)	26743	Direct

Footnotes

F1: Acquired pursuant to the NBT Bancorp Inc. 2008 Omnibus Incentive Plan. Each outside director is entitled to receive an annual retainer for Board service in the form of restricted stock units of the Company's common stock that vests in three annual installments.