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Filing Detail
Form 425 - Prospectuses and communications, business combinations:
SEC Accession No. 0001193125-12-405572
Filing Date
2012-09-27
Accepted
2012-09-27 06:07:22
Documents
1

Document Format Files

Seq Description Document Type Size
1 425 d417871d425.htm 425 228379
  Complete submission text file 0001193125-12-405572.txt   229987
Mailing Address 5335 SW MEADOWS RD SUITE 201 LAKE OSWEGO OR 97035
Business Address 5335 SW MEADOWS RD SUITE 201 LAKE OSWEGO OR 97035 5036840884
WEST COAST BANCORP /NEW/OR/ (Subject) CIK: 0000717059 (see all company filings)

IRS No.: 930810577 | State of Incorp.: OR | Fiscal Year End: 1231
Type: 425 | Act: 34 | File No.: 001-34509 | Film No.: 121111844
SIC: 6022 State Commercial Banks

Mailing Address 1301 A STREET TACOMA WA 98402
Business Address 1301 A STREET TACOMA WA 98402 2533051900
COLUMBIA BANKING SYSTEM INC (Filed by) CIK: 0000887343 (see all company filings)

IRS No.: 911422237 | State of Incorp.: WA | Fiscal Year End: 1231
Type: 425
SIC: 6022 State Commercial Banks