Washington
|
0-20288
|
91-1422237
|
||
(State
or other jurisdiction
of
incorporation)
|
(Commission
File Number)
|
(IRS
Employer
Identification
No.)
|
1301
A Street
|
||
Tacoma,
WA
|
98402
|
|
(Address
of principal executive offices)
|
(Zip
Code)
|
¨
|
Written
communications pursuant to Rule 425 under the Securities Act (17 CFR
230.425)
|
¨
|
Soliciting
material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)
|
¨
|
Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))
|
¨
|
Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))
|
|
(a)
|
Financial
statements. – not applicable
|
|
(b)
|
Pro
forma financial information. – not applicable
|
|
(c)
|
Shell
company transactions. – not
applicable
|
|
(d)
|
The
following exhibits are being furnished
herewith:
|
99.1
|
Press
Release dated April 22, 2009 announcing first quarter ended March 31, 2009
financial results and a quarterly cash
dividend.
|
COLUMBIA
BANKING SYSTEM, INC.
|
||
Date:
April 23, 2009
|
/s/
Melanie J. Dressel
|
|
Melanie
J. Dressel
|
||
President
and Chief Executive Officer
|