COLUMBIA BANKING SYSTEM, INC. — Director's Dealing 2013

Jul 2, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COLUMBIA BANKING SYSTEM INC (COLB)
CIK: 0000887343
Period of Report: 2013-06-30

Reporting Person: Roberts Kent (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-06-30	Common Stock	A	3494	—	Acquired	30240	Direct
2013-06-30	Common Stock	D	6650	—	Disposed	23590	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	9377	Indirect

Footnotes

F1: Grant by the Board of Directors at Retirement as Modification to outstanding unvested shares.

F2: Unvested shares cancelled at retirement 6/30/13 as part of modification to outstanding unvested restricted stock.