SCHEDULE 14A INFORMATION
Proxy Statement Pursuant to Section 14(a)
of the Securities Exchange Act of 1934 (Amendment No. )
Filed by the Registrant ☒
Filed by a Party other than the Registrant ☐
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Preliminary Proxy Statement
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Confidential, for Use of the Commission Only
(as permitted by Rule 14a-6(e)(2))
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Definitive Proxy Statement
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Definitive Additional Materials
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Soliciting Material Pursuant to §240.14a-11(c) or §240.14a-12
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COLUMBIA BANKING SYSTEM, INC.
(Name of Registrant as Specified In Its Charter)
(Name of Person(s) Filing Proxy Statement, if other than the
Registrant)
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Payment of Filing Fee (Check the appropriate box):
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No fee required.
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Fee paid previously with preliminary materials.
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Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules
14a-6(i)(1) and 0-11.
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