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

Jul 17, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COLUMBIA BANKING SYSTEM INC (COLB)
CIK: 0000887343
Period of Report: 2013-07-15

Reporting Person: McDonald Andy (EVP & CCO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-07-15	Common Stock	A	350	$16.794	Acquired	25648	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	5387	Indirect

Footnotes

F1: These shares were a purchase through Columbia's Employee Stock Purchase Plan (ESPP) done on a semi-annual basis.