<SUBMISSION>
<ACCESSION-NUMBER>0000950124-06-002074
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20060420
<ITEMS>8.01
<ITEMS>9.01
<FILING-DATE>20060421
<DATE-OF-FILING-DATE-CHANGE>20060420
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>GLACIER BANCORP INC
<CIK>0000868671
<ASSIGNED-SIC>6022
<IRS-NUMBER>810519541
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>000-18911
<FILM-NUMBER>06771119
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>49 COMMONS LOOP
<STREET2>.
<CITY>KALISPELL
<STATE>MT
<ZIP>59901
<PHONE>4067564200
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>49 COMMONS LOOP
<STREET2>.
<CITY>KALISPELL
<STATE>MT
<ZIP>59901
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>v19740e8vk.htm
<DESCRIPTION>FORM 8-K
<TEXT>
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<TITLE>e8vk</TITLE>
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<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 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: 12pt"><B>UNITED STATES</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>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: 18pt; margin-top: 12pt"><B>Form&nbsp;8-K</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>CURRENT REPORT<BR>
Pursuant to Section&nbsp;13 or 15(d) of the<BR>
Securities Exchange Act of 1934</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>Date of Report (Date of earliest event reported): April&nbsp;20, 2006</B>
</DIV>

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

<DIV align="center" style="font-size: 10pt">(Exact name of registrant as specified in its charter)</DIV>



<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Montana<BR>
(State or other jurisdiction of incorporation)
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
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<TR valign="bottom">
    <TD align="center" valign="top">(Commission File Number)<BR>
000-18911
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(IRS Employer Identification No.)<BR>
81-0519541</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">49 Commons Loop<BR>
Kalispell, Montana 59901<BR>
(Address of principal executive offices) (zip code)
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Registrant&#146;s telephone number, including area code: (406)&nbsp;756-4200
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the
filing obligations of the registrant under any of the following provisions (see General Instruction
A.2 below):
</DIV>


<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT style="font-family: Wingdings">&#254;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pre-commencement communications pursuant to Rule&nbsp;14d-2(b) under the Exchange Act of (17 CFR
240.14d-2(b))</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pre-commencement communications pursuant to Rule&nbsp;13e-4(c) under the Exchange Act of (17 CFR
240.13e-4(c))</TD>
</TR>

</TABLE>
</DIV>

<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>





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

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<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></TD><TD colspan="8"><A HREF="#000">Item&nbsp;8.01 OTHER EVENTS</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#001">Item&nbsp;9.01 FINANCIAL STATEMENTS AND EXHIBITS</A></TD></TR>
<TR><TD colspan="9"><A HREF="#002">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="v19740exv99w1.htm">EXHIBIT 99.1</A></TD></TR>
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<DIV align="left"><A NAME="000"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8.01 OTHER EVENTS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On
April&nbsp;20, 2006, Glacier Bancorp, Inc., Kalispell, Montana (&#147;Glacier&#148;) entered into a Plan and
Agreement of Merger (the &#147;Merger Agreement&#148;) with Citizens
Development Company (&#147;Citizens&#148;). Under
the terms of the Merger Agreement, Citizens will merge with and into a newly formed, wholly-owned
subsidiary of Glacier, and the current bank subsidiaries of Citizens (Citizens State Bank,
Hamilton, Montana; First Citizens Bank of Billings, Billings, Montana; First National Bank of
Lewiston, Lewiston, Montana; Western Bank of Chinook, N.A., Chinook, Montana; and First Citizens
Bank, N.A., Columbia Falls, Montana) will become subsidiaries of Glacier.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Effective at the time of the merger, the outstanding common shares of Citizens will be
exchanged for shares of Glacier common stock and cash with a total aggregate base value of $77
million. The merger agreement provides that if closing occurs after June&nbsp;30, 2006, the base
consideration will be increased the amount of Citizens&#146; earnings for the period from July&nbsp;1, 2006
to the effective date of the merger, determined as set forth in the merger agreement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Consummation of the transaction is subject to several conditions, including receipt of
applicable regulatory approvals and approval by the shareholders of Citizens. For information
regarding the terms of the proposed transaction, reference is made to the press release dated April
20, 2006, which is attached as Exhibit&nbsp;99.1 and incorporated herein by reference.
</DIV>
<!-- link2 "Item&nbsp;9.01 FINANCIAL STATEMENTS AND EXHIBITS" -->
<DIV align="left"><A NAME="001"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;9.01 FINANCIAL STATEMENTS AND EXHIBITS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Financial statements. &#150; not applicable
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;Pro forma financial information. &#150; not applicable
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;Exhibits.
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="6%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">99.1</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Press Release dated April&nbsp;20, 2006.</TD>
</TR>

</TABLE>
</DIV>

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

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<DIV style="font-family: 'Times New Roman',Times,serif">
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<DIV align="left"><A NAME="002"></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 Exchange Act of 1934, the registrant has duly
caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
</DIV>

<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="3%">&nbsp;</TD>
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<TR>
    <TD>&nbsp;</TD>
    <TD valign="top" align="left">Dated: April&nbsp;20, 2006</TD>
    <TD colspan="3" align="left">GLACIER BANCORP, INC.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD>&nbsp;</TD>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">                                   /s/ Michael J.Blodnick
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD>&nbsp;</TD>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Michael J. Blodnick&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD>&nbsp;</TD>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">President and Chief Executive Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD>&nbsp;</TD>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>


<P align="center" style="font-size: 10pt">&nbsp;
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<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>v19740exv99w1.htm
<DESCRIPTION>EXHIBIT 99.1
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<DIV align="right" style="font-size: 10pt; margin-top: 12pt">EXHIBIT 99.1
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Glacier Bancorp and Citizens Development Company announce Agreement to Merge Citizens into Glacier.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">KALISPELL, MONTANA and BILLINGS, MONTANA, April&nbsp;20, 2006 &#151; Glacier Bancorp, Inc. (NASDAQ &#147;GBCI&#148;)
and Citizens Development Company today announced the signing of a definitive agreement whereby
Citizens Development Company will merge into Glacier Bancorp. Citizens Development Company is a
Billings, Montana-based bank holding company with total assets at December&nbsp;31, 2005 of $430
million. Glacier Bancorp is a Kalispell, Montana-based bank holding company with total assets at
December&nbsp;31, 2005 of $3.7&nbsp;billion.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The boards of Glacier and Citizens unanimously approved the transaction, which is subject to
regulatory approval and other customary conditions of closing. The merger provides for the payment
to Citizens shareholders of $77&nbsp;million, plus the earnings of Citizens from July&nbsp;1, 2006 until
closing, which is anticipated to occur in July or August. The consideration will be paid 60% in
cash and 40% in registered shares of Glacier common stock.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The combination of Glacier and Citizens will strengthen Glacier&#146;s presence in three of Montana&#146;s
strongest markets&#151;Billings, the Flathead Valley, and the Bitterroot Valley, while expanding its
presence into central Montana with two highly respected and strongly performing banks. The
combination will also favorably impact Glacier&#146;s balance sheet, with the addition of more than $300
million in core deposits.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">The merger will allow Citizens to meet the liquidity objectives of its shareholders, while enabling
its banks and their customers to benefit from a continued focus on community banking, local
decision-making, enhanced products and services, and expanded resources and lending capacity. The
Citizens banks will remain as independently chartered banks immediately following the merger
pending their anticipated consolidation into Glacier&#146;s Montana banking subsidiaries in early 2007.
Glacier intends to retain existing management and employees of the Citizens banks.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&#147;The Citizens banks are very well run and located in some highly attractive markets,&#148; commented
Mick Blodnick, Glacier&#146;s President and CEO. &#147;We are excited about adding some talented bankers and
excellent bank locations to the Glacier family. Simply put, it&#146;s a great fit for us.&#148; Blodnick
also noted that the transaction is expected to be immediately accretive to Glacier&#146;s earnings per
share.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Dean Comes, President of Citizens Development Company, commented, &#147;We couldn&#146;t have chosen a better
partner than Glacier. This merger enables us to combine our exceptional service levels with their
comprehensive banking resources and proven track record of success. The combination is a win-win
for our shareholders, our employees, and most importantly, our customers.&#148;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Citizens was advised in the transaction by D.A. Davidson &#038; Co., as investment banking advisor;
Hovde Financial, Inc., which issued an independent fairness opinion to the Citizens board; and
</DIV>

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

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Winthrop &#038; Weinstine, as legal counsel. Glacier was advised in the transaction by Graham &#038; Dunn,
as legal counsel.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 24pt"><U>About Glacier Bancorp, Inc.</U>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Glacier Bancorp, Inc. is the parent company for nine community banks operating from 71 banking
offices in Montana, Idaho, Utah, Washington, and Wyoming. Glacier&#146;s existing banks include Glacier
Bank, Kalispell; Glacier Bank, Whitefish; First Security Bank of Missoula; Valley Bank of Helena;
Big Sky Western Bank; and Western Security Bank, Billings, all located in Montana; Mountain West
Bank, Coeur d&#146; Alene, with operations in Idaho, Utah and eastern Washington; Citizens Community
Bank, in Pocatello, Idaho; and First National Bank West, with offices in western Wyoming. At
December&nbsp;31, 2005, Glacier had total assets of approximately $3.7&nbsp;billion and equity of $332
million.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 24pt"><U>About Citizens Development Company</U>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Headquartered in Billings, Montana, Citizens Development Company is a bank holding company that
owns five Montana banks&#151;First Citizens Bank of Billings, with five banking offices and December&nbsp;31,
2005 assets of $170&nbsp;million; First National Bank of Lewistown, with one banking office and total
assets of $89&nbsp;million; Citizens State Bank of Hamilton, with two banking offices and total assets
of $73&nbsp;million; First Citizens Bank, N.A. (in Columbia Falls), with two banking offices and total
assets of $63&nbsp;million; and Western Bank of Chinook, N.A., with one banking office and total assets
of $32&nbsp;million. At December&nbsp;31, 2005, Citizens Development Company and its subsidiary banks, on a
consolidated basis, had total assets of approximately $430&nbsp;million and equity of $37.5&nbsp;million.
</DIV>


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