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Filing Detail
Form 425 - Prospectuses and communications, business combinations:
SEC Accession No. 0001193125-07-075549
Filing Date
2007-04-05
Accepted
2007-04-05 16:50:37
Documents
3

Document Format Files

Seq Description Document Type Size
1 FORM 8-K d8k.htm 425 12829
2 PLAN AND AGREEMENT OF MERGER dex21.htm EX-2.1 427888
3 TRANSCRIPT OF MARCH 29, 2007 CONFERENCE CALL dex991.htm EX-99.1 86533
  Complete submission text file 0001193125-07-075549.txt   529163
Mailing Address 1102 BROADWAY PLAZA TACOMA WA 98402
Business Address 1102 BROADWAY PLAZA 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

Mailing Address 501 ROOSEVELE AVENUE ENUMCLAW WA 98022
Business Address 501 ROOSEVELT AVE EAST PO BOX 98 ENUMCLAW WA 98022 2068250100
MOUNTAIN BANK HOLDING CO (Subject) CIK: 0000898018 (see all company filings)

IRS No.: 911602736 | State of Incorp.: WA | Fiscal Year End: 1231
Type: 425 | Act: 34 | File No.: 000-28394 | Film No.: 07752469
SIC: 6021 National Commercial Banks