COLUMBIA BANKING SYSTEM, INC. — Director's Dealing 2016

Jul 5, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COLUMBIA BANKING SYSTEM INC (COLB)
CIK: 0000887343
Period of Report: 2016-07-01

Reporting Person: DRESSEL MELANIE J (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-07-01	Common Stock	A	786	$25.25	Acquired	84114	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2408	Indirect
Common Stock	51134	Indirect
Common Stock	9136	Indirect

Footnotes

F1: ESPP Purchase