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COLUMBIA BANKING SYSTEM, INC. Director's Dealing 2012

Jan 26, 2012

30766_dirs_2012-01-26_7b503782-d68d-4cbf-9e90-f2e7ec3126c4.zip

Director's Dealing

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SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: COLUMBIA BANKING SYSTEM INC (COLB)
CIK: 0000887343
Period of Report: 2011-12-31

Reporting Person: NELSON MARK W (Executive Vice President)

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	33276	Direct