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<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">As filed with the Securities and Exchange Commission on August&nbsp;7, 2008
</DIV>


<DIV align="right" style="font-size: 10pt; margin-top: 6pt"><B>Registration
No.&nbsp;333-<U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></B>
</DIV>


<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>




<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>WASHINGTON, D.C. 20549</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM S-8</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>REGISTRATION STATEMENT<BR>
Under<BR>
THE SECURITIES ACT OF 1933</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></B>
</DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>COLUMBIA BANCORP</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Exact Name of Registrant as Specified in Its Charter)</DIV>


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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    <TD width="47%">&nbsp;</TD>
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<TR valign="bottom">
    <TD align="center" valign="top"><B>Oregon</B><BR>
(State or Other Jurisdiction of <BR>
Incorporation or Organization)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>93-1193156</B><BR>
(I.R.S. Employer<BR>
Identification No.)</TD>
</TR>
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</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>420 East Third Street, Suite&nbsp;200, P.O. Box 1050 The Dalles, Oregon 97058</B><BR>
(Address of Principal Executive Offices, including Zip Code)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Columbia Bancorp 1999 Stock Incentive Plan</B><BR>
(Full Title of the Plan)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Greg&nbsp;B. Spear, CFO<BR>
420 East Third Street, Suite&nbsp;200<BR>
The Dalles, Oregon 97058</B><BR>
(Name and Address of Agent for Service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>(541)&nbsp;298-6612</B><BR>
(Telephone Number, Including Area Code, of Agent for Service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt">Copy to:<BR>
<B>Marcus J. Williams<BR>
Davis Wright Tremaine LLP<BR>
1201 Third Avenue<BR>
Suite&nbsp;2200<BR>
Seattle, Washington 98101-3045</B></DIV>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer,
a non-accelerated filer, or a smaller reporting company.
See the definitions of &#147;large
accelerated filer,&#148; &#147;accelerated filer&#148; and &#147;smaller reporting company&#148; in Rule 12b-2 of the Exchange Act. (Check one):</DIV>



<DIV align="center">
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<TR style="font-size: 6pt">

    <TD width="10%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
</TR>
<TR valign="top">
    <TD nowrap align="center" valign="top">Large accelerated filer
<FONT face="Wingdings">&#111;</FONT>&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD nowrap align="center" valign="top">Accelerated filer
<FONT face="Wingdings">&#254;</FONT>&nbsp;</TD>
    <TD align="center">&nbsp;</TD>
    <TD nowrap align="center">Non-accelerated filer &nbsp; <FONT face="Wingdings">&#111;</FONT><BR>
(Do not check if a smaller reporting company)</TD>
    <TD align="center">&nbsp;</TD>
    <TD nowrap align="center" valign="top">Smaller reporting company <FONT face="Wingdings">&#111;</FONT>&nbsp;</TD>

</TR>
</TABLE>
</DIV>
<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>CALCULATION OF REGISTRATION FEE</B>
</DIV>

<DIV align="center">
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    <TD width="2%"></TD>
    <TD width="26%"></TD>

    <TD width="1%"></TD>
</TR>

<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-bottom: 3px double #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Amount to be</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Proposed Maximum</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Proposed Maximum</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="CENTER" style="border-bottom: 1px solid #ffffff">Title of Securities to be Registered</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Registered<SUP style="font-size: 85%; vertical-align: text-top">(1)</SUP></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Offering Price Per Unit<SUP style="font-size: 85%; vertical-align: text-top">(2)</SUP></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Aggregate Offering Price</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #ffffff">Amount of Registration Fee<SUP style="font-size: 85%; vertical-align: text-top">(2)</SUP></TD>
    <TD width="1%">&nbsp;</TD>
</TR>

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    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                    <TD style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Columbia Bancorp
Common Stock</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">750,000 Shares</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$4.36</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$3,270,000 </TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="center" valign="bottom" style="border-top: 2px solid #000000">$128.54</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

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</TABLE>
</DIV>


<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 1pt; width: 18%; border-top: 0px solid #000000">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>This Registration Statement covers 750,000 shares of Registrant&#146;s Common Stock authorized for
inclusion pursuant to the equity incentive plan described herein pursuant to an amendment
thereto effected upon approval of the shareholders of the Registrant on April&nbsp;24, 2008. This
Registration Statement also covers any additional shares of Common Stock which become issuable
under the Columbia Bancorp 1999 Stock Incentive Plan by reason of any stock dividend, stock
split, or similar transaction.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>Estimated solely for the purpose of this Registration Statement pursuant to Rules 457(c) and
the high and low prices of the Common Stock of Columbia Bancorp as reported in the Nasdaq
National Market on August&nbsp;5, 2008.</TD>
</TR>

</TABLE>



<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>





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<!-- TOC -->
<A name="toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>

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</TR>
<TR><TD colspan="9"><A HREF="#000">Part&nbsp;II</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#001">Item&nbsp;3. Incorporation of Documents By Reference</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#002">Item&nbsp;8. Exhibits</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#003">Item&nbsp;9. Undertakings</A></TD></TR>
<TR><TD colspan="9"><A HREF="#004">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#005">EXHIBIT INDEX</A></TD></TR>
<TR><TD colspan="9"><A HREF="v42853exv4w2.htm">EXHIBIT 4.2</A></TD></TR>
<TR><TD colspan="9"><A HREF="v42853exv5w1.htm">EXHIBIT 5.1</A></TD></TR>
<TR><TD colspan="9"><A HREF="v42853exv23w1.htm">EXHIBIT 23.1</A></TD></TR>
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<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>INTRODUCTORY STATEMENT</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This Registration Statement registers additional securities of the same class as other
securities for which a Registration Statement on Form S-8 (File No.&nbsp;333-79229) relating to the
Columbia Bancorp 1999 Stock Incentive Plan is effective. Pursuant to General Instruction E of Form
S-8, the contents of the above-listed Registration Statement are hereby incorporated by reference.
</DIV>
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<DIV align="left"><A NAME="000"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>Part II</B>
</DIV>

<!-- link2 "Item&nbsp;3. Incorporation of Documents By Reference" -->
<DIV align="left"><A NAME="001"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;3. Incorporation of Documents By Reference</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Columbia Bancorp (the &#147;Registrant&#148;) hereby incorporates by reference into this Registration
Statement the following documents previously filed with the Securities and Exchange Commission (the
&#147;Commission&#148;):
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a.&nbsp;Registrant&#146;s Annual Report filed with the Commission on Form 10-K, File No.&nbsp;000-27938, for
the fiscal year ended December&nbsp;31, 2007 filed on March&nbsp;17, 2008;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;b.&nbsp;Registrant&#146;s Quarterly Reports filed with the Commission on Form 10-Q, File No.&nbsp;000-27938,
filed on May&nbsp;12, 2008 and Registrant&#146;s Current Reports filed with the Commission on Form 8-K, File
No.&nbsp;000-27938, filed on January&nbsp;10, 2008, January&nbsp;23, 2008, February&nbsp;4, 2008, March&nbsp;13, 2008, March
17, 2008, April&nbsp;4, 2008, April&nbsp;8, 2008, April&nbsp;11, 2008, April&nbsp;23, 2008, April&nbsp;30, 2008, June&nbsp;6,
2008 and July&nbsp;24, 2008, excluding the information contained therein described in Item&nbsp;402(a)(8) of
the Commission&#146;s Regulation&nbsp;S-K;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c.&nbsp;The description of common stock contained in the Registrant&#146;s Registration Statement on
Form S-1, File No.&nbsp;333-64225, filed with the Commission on September&nbsp;25, 1998, and any amendment or
report filed for the purpose of updating such description filed after the date of this Registration
Statement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All reports and definitive proxy or information statements filed pursuant to Section&nbsp;13(a),
13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as amended (the &#147;1934 Act&#148;) after the
date of this Registration Statement and prior to the filing of a post-effective amendment which
indicates that all securities offered hereby have been sold or which deregisters all securities
then remaining unsold shall be deemed to be incorporated by reference into this Registration
Statement and to be a part hereof from the date of filing of such documents. Any statement
contained herein or in a document all or a portion of which is incorporated or deemed to be
incorporated by reference herein shall be deemed to be modified or superseded for purposes of this
Registration Statement to the extent that a statement contained herein or in any other subsequently
filed document that also is or is deemed to be incorporated by reference herein modifies or
supersedes such statement. Any such statement so modified or superseded shall not be deemed, except
as so modified or superseded, to constitute a part of this Registration Statement.
</DIV>
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<DIV align="left"><A NAME="002"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8. Exhibits.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following Exhibits are filed as a part of this Registration Statement:
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="7%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 0px solid #000000"><B></B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B>Number</B></TD>
    <TD>&nbsp;</TD>
   <TD nowrap align="left" style="border-bottom: 0px solid #000000"><B>Description</B></TD>
</TR>

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<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Columbia Bancorp 1999 Stock Incentive Plan, as amended.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Davis Wright Tremaine, LLP.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Moss Adams LLP, Independent Auditors.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Davis Wright Tremaine,
LLP (included in Exhibit 5.1).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of attorney (included in the signature page of this
Registration Statement).</TD>
</TR>
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</TABLE>
</DIV>

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<DIV align="left"><A NAME="003"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;9. Undertakings.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The undersigned Registrant hereby undertakes: (1)&nbsp;to file, during any period in which offers
or sales are being made, a post-effective amendment to this Registration Statement (i)&nbsp;to include
any prospectus required by Section&nbsp;10(a)(3) of the 1933 Act, (ii)&nbsp;to reflect in the prospectus any
facts or events arising after the effective date of the Registration Statement (or the most recent
post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental
change in the information set forth in the Registration Statement, and (iii)&nbsp;to include any
material information with respect to the plan of distribution not previously disclosed in the
Registration Statement or any material change to such information in the Registration Statement;
provided, however, that clauses (1)(i) and (1)(ii) shall not apply if the information required to
be included in a post-effective amendment by those clauses is contained in periodic reports filed
by the Registrant pursuant to Section&nbsp;13 or Section 15(d) of the 1934 Act that are incorporated by
reference into the Registration Statement; (2)&nbsp;that for the purpose of determining any liability
under the 1933 Act, each such post-effective amendment shall be deemed to be a new registration
statement relating to the securities offered therein and the offering of such securities at that
time shall be deemed to be the initial bona fide offering thereof; and (3)&nbsp;to remove from
registration by means of a post-effective amendment any of the securities being registered which
remain unsold at the termination of the Columbia Bancorp 1999 Stock Incentive Plan, as amended.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The undersigned Registrant hereby undertakes that, for purposes of determining any liability
under the 1933 Act, each filing of the Registrant&#146;s annual report pursuant to Section 13(a) or
Section 15(d) of the 1934 Act that is incorporated by reference into the Registration Statement
shall be deemed to be a new registration statement relating to the securities offered therein, and
the offering of such securities at that time shall be deemed to be the initial bona fide offering
thereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Insofar as indemnification for liabilities arising under the 1933 Act may be permitted to
directors, officers or controlling persons of the Registrant pursuant to the foregoing provisions,
or otherwise, the Registrant has been advised that in the opinion of the Securities and Exchange
Commission such indemnification is against public policy as expressed in the 1933 Act and is,
therefore, unenforceable. In the event that a claim for indemnification against such liabilities
(other than the payment by the Registrant of expenses incurred or paid by a director, officer or
controlling person of the Registrant in the successful defense of any action, suit or proceeding)
is asserted by such director, officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter has been settled
by controlling precedent, submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the 1933 Act and will be governed by
the final adjudication of such issue.
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">
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<DIV align="left"><A NAME="004"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
has duly caused this Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of The Dalles, State of Oregon, on August&nbsp;7, 2008.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="40%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="38%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left">COLUMBIA BANCORP,<BR>
AN OREGON CORPORATION</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">By:
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">/s/ Roger L. Christensen
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left">Roger&nbsp;L. Christensen</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left">President and Chief Executive Officer</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>POWER OF ATTORNEY</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We, the undersigned officers and directors of the Registrant, Columbia Bancorp, a Oregon
corporation, hereby severally and individually constitute and appoint Roger&nbsp;L. Christensen,
President and Chief Executive Officer and Greg&nbsp;B. Spear, Chief Financial Officer, and each of them,
as true and lawful attorneys in fact for the undersigned, in any and all capacities, with full
power of substitution, to sign any and all amendments to this Registration Statement (including
post-effective amendments), and to file the same with exhibits thereto and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto said attorneys in
fact, and each of them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully to all intents and purposes
as he or she might or could do in person, hereby ratifying and confirming all that said attorneys
in fact, or any of them, may lawfully do or cause to be done by virtue of this appointment.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has
been signed by the following persons in the capacities and on the dates indicated.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="31%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="41%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="18%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Title</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Date</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="top">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><br> /s/ Roger&nbsp;L. Christensen
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Roger&nbsp;L. Christensen
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">President, Chief Executive
Officer<BR>
 and Director (Principal
Executive Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="middle">August&nbsp;7, 2008</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><br> /s/ Greg&nbsp;B. Spear
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Greg&nbsp;B. Spear
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Vice Chair and Chief Financial
Officer<br> (Principal Financial
Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="middle">August&nbsp;7, 2008</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Staci L. Coburn
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Staci L. Coburn
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;Principal
Accounting Officer
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">August&nbsp;7,
2008</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="31%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="41%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="18%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Title</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Date</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Richard&nbsp;E. Betz
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Richard&nbsp;E. Betz
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;Chairman
and Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;August&nbsp;7,
2008</TD>
</TR>
<TR style="font-size: 6pt" valign="bottom">
<TD>&nbsp;</TD>
</TR>


<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;August&nbsp;7,
2008</TD>
</TR>

<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Don T. Mitchell
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ William A. Booth
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
William A. Booth
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;August&nbsp;7,
2008</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Dennis&nbsp;L. Carver
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Dennis&nbsp;L. Carver
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;August&nbsp;7,
2008</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Jean S. McKinney
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Jean S. McKinney
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;August&nbsp;7,
2008</TD>
</TR>
<TR style="font-size: 10pt" valign="bottom">
<TD>&nbsp;</TD>
</TR>


<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;Director</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;August&nbsp;7,
2008</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
James J. Doran
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Charles F. Beardsley
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Charles F. Beardsley
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;August&nbsp;7,
2008</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Lori R. Boyd
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Lori R. Boyd
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;August&nbsp;7,
2008</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Terry L. Cochran
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Terry L. Cochran
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;August&nbsp;7,
2008</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<!-- link1 "EXHIBIT INDEX" -->
<DIV align="left"><A NAME="005"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>EXHIBIT INDEX</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="7%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #ffffff"><B>Description</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Columbia Bancorp 1999 Stock Incentive Plan, as amended.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Davis Wright Tremaine, LLP.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Moss Adams LLP, Independent Auditors.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Davis Wright Tremaine,
LLP (included in Exhibit 5.1).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of attorney (included in the signature page of this
Registration Statement).</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

</BODY>
</HTML>
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sv8
Table of Contents
As filed with the Securities and Exchange Commission on August 7, 2008
Registration
No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
Under
THE SECURITIES ACT OF 1933
COLUMBIA BANCORP
(Exact Name of Registrant as Specified in Its Charter)
Oregon
(State or Other Jurisdiction of
Incorporation or Organization)
93-1193156
(I.R.S. Employer
Identification No.)
420 East Third Street, Suite 200, P.O. Box 1050 The Dalles, Oregon 97058
(Address of Principal Executive Offices, including Zip Code)
Columbia Bancorp 1999 Stock Incentive Plan
(Full Title of the Plan)
Greg B. Spear, CFO
420 East Third Street, Suite 200
The Dalles, Oregon 97058
(Name and Address of Agent for Service)
(541) 298-6612
(Telephone Number, Including Area Code, of Agent for Service)
Copy to:
Marcus J. Williams
Davis Wright Tremaine LLP
1201 Third Avenue
Suite 2200
Seattle, Washington 98101-3045
Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer,
a non-accelerated filer, or a smaller reporting company.
See the definitions of "large
accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the Exchange Act. (Check one):
Large accelerated filer
o
Accelerated filer
þ
Non-accelerated filer
o
(Do not check if a smaller reporting company)
Smaller reporting company
o
CALCULATION OF REGISTRATION FEE
Amount to be
Proposed Maximum
Proposed Maximum
Title of Securities to be Registered
Registered
(1)
Offering Price Per Unit
(2)
Aggregate Offering Price
Amount of Registration Fee
(2)
Columbia Bancorp
Common Stock
750,000 Shares
$4.36
$3,270,000
$128.54
(1)
This Registration Statement covers 750,000 shares of Registrant's Common Stock authorized for
inclusion pursuant to the equity incentive plan described herein pursuant to an amendment
thereto effected upon approval of the shareholders of the Registrant on April 24, 2008. This
Registration Statement also covers any additional shares of Common Stock which become issuable
under the Columbia Bancorp 1999 Stock Incentive Plan by reason of any stock dividend, stock
split, or similar transaction.
(2)
Estimated solely for the purpose of this Registration Statement pursuant to Rules 457(c) and
the high and low prices of the Common Stock of Columbia Bancorp as reported in the Nasdaq
National Market on August 5, 2008.
TABLE OF CONTENTS
Part II
Item 3. Incorporation of Documents By Reference
Item 8. Exhibits
Item 9. Undertakings
SIGNATURES
EXHIBIT INDEX
EXHIBIT 4.2
EXHIBIT 5.1
EXHIBIT 23.1
Table of Contents
INTRODUCTORY STATEMENT
This Registration Statement registers additional securities of the same class as other
securities for which a Registration Statement on Form S-8 (File No. 333-79229) relating to the
Columbia Bancorp 1999 Stock Incentive Plan is effective. Pursuant to General Instruction E of Form
S-8, the contents of the above-listed Registration Statement are hereby incorporated by reference.
Part II
Item 3. Incorporation of Documents By Reference
Columbia Bancorp (the "Registrant") hereby incorporates by reference into this Registration
Statement the following documents previously filed with the Securities and Exchange Commission (the
"Commission"):
a. Registrant's Annual Report filed with the Commission on Form 10-K, File No. 000-27938, for
the fiscal year ended December 31, 2007 filed on March 17, 2008;
b. Registrant's Quarterly Reports filed with the Commission on Form 10-Q, File No. 000-27938,
filed on May 12, 2008 and Registrant's Current Reports filed with the Commission on Form 8-K, File
No. 000-27938, filed on January 10, 2008, January 23, 2008, February 4, 2008, March 13, 2008, March
17, 2008, April 4, 2008, April 8, 2008, April 11, 2008, April 23, 2008, April 30, 2008, June 6,
2008 and July 24, 2008, excluding the information contained therein described in Item 402(a)(8) of
the Commission's Regulation S-K;
c. The description of common stock contained in the Registrant's Registration Statement on
Form S-1, File No. 333-64225, filed with the Commission on September 25, 1998, and any amendment or
report filed for the purpose of updating such description filed after the date of this Registration
Statement.
All reports and definitive proxy or information statements filed pursuant to Section 13(a),
13(c), 14 or 15(d) of the Securities Exchange Act of 1934, as amended (the "1934 Act") after the
date of this Registration Statement and prior to the filing of a post-effective amendment which
indicates that all securities offered hereby have been sold or which deregisters all securities
then remaining unsold shall be deemed to be incorporated by reference into this Registration
Statement and to be a part hereof from the date of filing of such documents. Any statement
contained herein or in a document all or a portion of which is incorporated or deemed to be
incorporated by reference herein shall be deemed to be modified or superseded for purposes of this
Registration Statement to the extent that a statement contained herein or in any other subsequently
filed document that also is or is deemed to be incorporated by reference herein modifies or
supersedes such statement. Any such statement so modified or superseded shall not be deemed, except
as so modified or superseded, to constitute a part of this Registration Statement.
Item 8. Exhibits.
The following Exhibits are filed as a part of this Registration Statement:
Table of Contents
Exhibit
Number
Description
4.2
Columbia Bancorp 1999 Stock Incentive Plan, as amended.
5.1
Opinion of Davis Wright Tremaine, LLP.
23.1
Consent of Moss Adams LLP, Independent Auditors.
23.2
Consent of Davis Wright Tremaine,
LLP (included in Exhibit 5.1).
24.1
Power of attorney (included in the signature page of this
Registration Statement).
Item 9. Undertakings.
The undersigned Registrant hereby undertakes: (1) to file, during any period in which offers
or sales are being made, a post-effective amendment to this Registration Statement (i) to include
any prospectus required by Section 10(a)(3) of the 1933 Act, (ii) to reflect in the prospectus any
facts or events arising after the effective date of the Registration Statement (or the most recent
post-effective amendment thereof) which, individually or in the aggregate, represent a fundamental
change in the information set forth in the Registration Statement, and (iii) to include any
material information with respect to the plan of distribution not previously disclosed in the
Registration Statement or any material change to such information in the Registration Statement;
provided, however, that clauses (1)(i) and (1)(ii) shall not apply if the information required to
be included in a post-effective amendment by those clauses is contained in periodic reports filed
by the Registrant pursuant to Section 13 or Section 15(d) of the 1934 Act that are incorporated by
reference into the Registration Statement; (2) that for the purpose of determining any liability
under the 1933 Act, each such post-effective amendment shall be deemed to be a new registration
statement relating to the securities offered therein and the offering of such securities at that
time shall be deemed to be the initial bona fide offering thereof; and (3) to remove from
registration by means of a post-effective amendment any of the securities being registered which
remain unsold at the termination of the Columbia Bancorp 1999 Stock Incentive Plan, as amended.
The undersigned Registrant hereby undertakes that, for purposes of determining any liability
under the 1933 Act, each filing of the Registrant's annual report pursuant to Section 13(a) or
Section 15(d) of the 1934 Act that is incorporated by reference into the Registration Statement
shall be deemed to be a new registration statement relating to the securities offered therein, and
the offering of such securities at that time shall be deemed to be the initial bona fide offering
thereof.
Insofar as indemnification for liabilities arising under the 1933 Act may be permitted to
directors, officers or controlling persons of the Registrant pursuant to the foregoing provisions,
or otherwise, the Registrant has been advised that in the opinion of the Securities and Exchange
Commission such indemnification is against public policy as expressed in the 1933 Act and is,
therefore, unenforceable. In the event that a claim for indemnification against such liabilities
(other than the payment by the Registrant of expenses incurred or paid by a director, officer or
controlling person of the Registrant in the successful defense of any action, suit or proceeding)
is asserted by such director, officer or controlling person in connection with the securities being
registered, the Registrant will, unless in the opinion of its counsel the matter has been settled
by controlling precedent, submit to a court of appropriate jurisdiction the question whether such
indemnification by it is against public policy as expressed in the 1933 Act and will be governed by
the final adjudication of such issue.
Table of Contents
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the Registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
has duly caused this Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of The Dalles, State of Oregon, on August 7, 2008.
COLUMBIA BANCORP,
AN OREGON CORPORATION
By:
/s/ Roger L. Christensen
Roger L. Christensen
President and Chief Executive Officer
POWER OF ATTORNEY
We, the undersigned officers and directors of the Registrant, Columbia Bancorp, a Oregon
corporation, hereby severally and individually constitute and appoint Roger L. Christensen,
President and Chief Executive Officer and Greg B. Spear, Chief Financial Officer, and each of them,
as true and lawful attorneys in fact for the undersigned, in any and all capacities, with full
power of substitution, to sign any and all amendments to this Registration Statement (including
post-effective amendments), and to file the same with exhibits thereto and other documents in
connection therewith, with the Securities and Exchange Commission, granting unto said attorneys in
fact, and each of them, full power and authority to do and perform each and every act and thing
requisite and necessary to be done in and about the premises, as fully to all intents and purposes
as he or she might or could do in person, hereby ratifying and confirming all that said attorneys
in fact, or any of them, may lawfully do or cause to be done by virtue of this appointment.
Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has
been signed by the following persons in the capacities and on the dates indicated.
Signature
Title
Date
/s/ Roger L. Christensen
Roger L. Christensen
President, Chief Executive
Officer
and Director (Principal
Executive Officer)
August 7, 2008
/s/ Greg B. Spear
Greg B. Spear
Vice Chair and Chief Financial
Officer
(Principal Financial
Officer)
August 7, 2008
/s/ Staci L. Coburn
Staci L. Coburn
Principal
Accounting Officer
August 7,
2008
Table of Contents
Signature
Title
Date
/s/ Richard E. Betz
Richard E. Betz
Chairman
and Director
August 7,
2008
Director
August 7,
2008
Don T. Mitchell
/s/ William A. Booth
William A. Booth
Director
August 7,
2008
/s/ Dennis L. Carver
Dennis L. Carver
Director
August 7,
2008
/s/ Jean S. McKinney
Jean S. McKinney
Director
August 7,
2008
Director
August 7,
2008
James J. Doran
/s/ Charles F. Beardsley
Charles F. Beardsley
Director
August 7,
2008
/s/ Lori R. Boyd
Lori R. Boyd
Director
August 7,
2008
/s/ Terry L. Cochran
Terry L. Cochran
Director
August 7,
2008
Table of Contents
EXHIBIT INDEX
Exhibit
Number
Description
4.2
Columbia Bancorp 1999 Stock Incentive Plan, as amended.
5.1
Opinion of Davis Wright Tremaine, LLP.
23.1
Consent of Moss Adams LLP, Independent Auditors.
23.2
Consent of Davis Wright Tremaine,
LLP (included in Exhibit 5.1).
24.1
Power of attorney (included in the signature page of this
Registration Statement).