NBT BANCORP INC — Director's Dealing 2018

May 1, 2018

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: NBT BANCORP INC (NBTB)
CIK: 0000790359
Period of Report: 2018-04-27

Reporting Person: Halliday Sarah A (EVP/President Comm Banking)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2018-04-27	NBT Bancorp Inc. Common Stock	I	1034	$37.2448	Acquired	1034	Indirect

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2018-04-27	Phantom Stock	$	I	711	Acquired		NBT Bancorp Inc. Common Stock (711)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
NBT Bancorp Inc. Common Stock	4862	Direct

Footnotes

F1: Discretionary transfer of balance to NBT equity investment.

F2: Each share of phantom stock is deemed invested in one share of NBT Bancorp Inc. common stock pursuant to the terms of the Deferred Compensation Plan.