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

Mar 1, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COLUMBIA BANKING SYSTEM INC (COLB)
CIK: 0000887343
Period of Report: 2013-02-27

Reporting Person: NELSON MARK W (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-02-27	Common Stock	A	4000	—	Acquired	41276	Direct

Footnotes

F1: Restricted Stock Award