GLACIER BANCORP INC
8-K, 1998-01-16
SAVINGS INSTITUTION, FEDERALLY CHARTERED
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<PAGE>   1
                       SECURITIES AND EXCHANGE COMMISSION

                             Washington, D.C. 20549


                                    FORM 8-K


                                 CURRENT REPORT


                       Pursuant to Section 13 or 15(d) of
                       the Securities Exchange Act of 1934

                Date of Report (Date of earliest event reported):
                                December 30, 1997


                              GLACIER BANCORP, INC.


             (Exact name of registrant as specified in its charter)


                                    DELAWARE
                 (State or other jurisdiction of incorporation)


             000-18911                                81-0468393
     (Commission File Number)              IRS Employer Identification No.


                                  P. O. Box 27
                                 202 Main Street
                            Kalispell, MT 59903-0027
               (Address of principal executive offices) (zip code)


       Registrant's telephone number, including area code: (406) 756-4200



<PAGE>   2



ITEM 5 - OTHER EVENTS

         On December 30, 1997, Glacier Bancorp, Inc., Kalispell, Montana
("Glacier") entered into a definitive agreement (the "Merger Agreement") with
HUB Financial Corporation, Helena, Montana ("HUB"). Under the terms of the
Merger Agreement, HUB will be merged with Glacier, and HUB's subsidiary bank,
Valley Bank of Helena ("Valley"), will become a separate subsidiary of Glacier.
Simultaneously, Glacier entered into a Plan of Share Exchange with Valley to
acquire the minority shareholder interest not owned by HUB.

         The Merger Agreement and Plan of Share Exchange provide that HUB's
common stock will be exchanged for shares of Glacier common stock pursuant to a
fixed exchange ratio. The aggregate value of the consideration is approximately
$13.5 million.

         In connection with the Merger Agreement, Glacier and HUB entered into a
Stock Option Agreement dated December 30, 1997 ("Option Agreement") whereby HUB
granted Glacier an option to purchase 19.9% of HUB's common stock at a price of
$781.00 per share. The Option Agreement is exercisable upon the occurrence of
certain transactions, all of which generally involve significant sales of HUB's
assets and/or voting control to third parties.

         Consummation of the acquisition is subject to several conditions,
including receipt of applicable regulatory approvals and approval by
shareholders of HUB and Valley. For information regarding the terms of the
proposed transaction, reference is made to the Merger Agreement, Plan of Share
Exchange, Option Agreement and the press release dated December 30, 1997, which
are attached hereto as Exhibits 2.1, 2.2, 10 and 99, respectively, and
incorporated herein by reference.


ITEM 7 - FINANCIAL STATEMENTS AND EXHIBITS

         (a)    Financial statements - not applicable.

         (b)    Pro forma financial information - not applicable.

         (c)    Exhibits:

                (2)    2.1    Plan and Agreement of Merger dated December 30,
                              1997

                       2.2    Agreement and Plan of Share Exchange

                (10)          Stock Option Agreement dated December 30, 1997

                (99)          Press Release issued by Glacier, dated December
                              30, 1997









                                       2


<PAGE>   3

                                   SIGNATURES


         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.


         Dated: December 30, 1997



                                            GLACIER BANCORP, INC.



                                            By:    /s/ Michael J. Blodnick
                                                --------------------------------
                                                   Michael J. Blodnick
                                                   President/Operations





                                       3

<PAGE>   1
                                                                     EXHIBIT 2.1


================================================================================





                          PLAN AND AGREEMENT OF MERGER

                                     BETWEEN

                              GLACIER BANCORP, INC.

                                       AND

                            HUB FINANCIAL CORPORATION






================================================================================









                          DATED AS OF DECEMBER 30, 1997





<PAGE>   2


                               TABLE OF CONTENTS

                                                                Page
                                                                ----
SECTION 1 TERMS OF TRANSACTION.................................   2

     1.1  Transaction..........................................   2
     1.2  Merger...............................................   2
          1.2.1  Closing.......................................   3
          1.2.2  The Bank......................................   3
          1.2.3  Effect on Glacier Common Stock................   3
     1.3  Consideration........................................   3
          1.3.1  Purchase Price................................   3
          1.3.2  Exchange Ratio................................   3
          1.3.3  HUB Expense Limitation........................   4
          1.3.4  Change in Equity Capital......................   4
          1.3.5  No Fractional Shares..........................   4
          1.3.6  Certificates..................................   4
     1.4  Payment to Dissenting Stockholders...................   5
     1.5  Alternative Structures...............................   5
     1.6  Letter of Transmittal................................   6
     1.7  Undelivered Certificates.............................   6
     1.8  Stock Option Agreement...............................   6

SECTION 2 CLOSING OF THE TRANSACTION...........................   6

     2.1  Closing..............................................   6
     2.2  Events of Closing....................................   6
     2.3  Place of Closing.....................................   6

SECTION 3 REPRESENTATIVES AND WARRANTIES.......................   7

     3.1  Representations of Glacier and HUB...................   7
          3.1.1  Corporate Organization and Qualification......   7
          3.1.2  Subsidiaries..................................   7
          3.1.3  Capital Stock.................................   8
          3.1.4  Corporate Authority...........................   9
          3.1.5  Reports and Financial Statements..............   9
          3.1.6  Absence of Certain Events and Changes.........  11
          3.1.7  Material Agreements...........................  12
          3.1.8  Knowledge as to Conditions....................  12
          3.1.9  Brokers and Finders...........................  12
     3.2  HUB's Additional Representations.....................  12
          3.2.1  Loan and Lease Losses.........................  12
          3.2.2  No Stock Option Plans.........................  12
          3.2.3  Governmental Filings; No Violations...........  12
          3.2.4  Asset Classification..........................  13
          3.2.5  Investments...................................  13
          3.2.6  Properties....................................  13
          3.2.7  Anti-takeover Provisions......................  14



                                       i


<PAGE>   3



          3.2.8   Compliance with Laws..........................  14
          3.2.9   Litigation....................................  15
          3.2.10  Taxes.........................................  15
          3.2.11  Insurance.....................................  16
          3.2.12  Labor Matters.................................  16
          3.2.13  Employee Benefits.............................  16
          3.2.14  Environmental Matters.........................  18
     3.3  Exceptions to Representations.........................  20
          3.3.1   Disclosure of Exceptions......................  20
          3.3.2   Nature of Exceptions..........................  20

SECTION 4 CONDUCT AND TRANSACTIONS BEFORE CLOSING...............  20

     4.1  Conduct of HUB's Business Before Closing..............  20
          4.1.1   Availability of HUB's Books, Records
                  and Properties................................  20
          4.1.2   Ordinary and Usual Course.....................  21
          4.1.3   Conduct Regarding Representations.............  22
          4.1.4   Maintenance of Properties.....................  23
          4.1.5   Preservation of Business Organization.........  23
          4.1.6   Senior Management.............................  23
          4.1.7   Compensation and Employment Agreements........  23
          4.1.8   Update of Financial Statements................  23
          4.1.9   No Solicitation...............................  24
          4.1.10  Title Policies................................  24
          4.1.11  Review of Loans...............................  24
     4.2  Registration Statement................................  24
          4.2.1   Preparation of Registration Statement.........  24
          4.2.2   Submission to Stockholders....................  25
     4.3  Accounting Treatment..................................  25
          4.3.1   Pooling of Interests..........................  25
          4.3.2   Affiliate List................................  25
          4.3.3   Restrictive Legend............................  25
          4.3.4   Retention of Certificates.....................  26
     4.4  Submission to Regulatory Authorities..................  26
     4.5  Announcements.........................................  26
     4.6  Consents..............................................  26
     4.7  Further Actions.......................................  26
     4.8  Notice................................................  26
     4.9  Confidentiality.......................................  26
     4.10 Update of Financial Statements........................  27
     4.11 Availability of Glacier's Books, Records
          and Properties........................................  27

SECTION 5 APPROVALS AND CONDITIONS..............................  27

     5.1  Required Approvals....................................  27
     5.2  Conditions to Glacier's Obligations...................  27
          5.2.1   Representations...............................  27
          5.2.2   Compliance....................................  28
          5.2.3   Equity Capital Requirement....................  28
          5.2.4   Transaction Fees Statements...................  28


                                       ii


<PAGE>   4



          5.2.5  Audit Report.................................   28
          5.2.6  Plan of Exchange Executed....................   28
          5.2.7  No Material Adverse Effect...................   28
          5.2.8  Financial Condition..........................   28
          5.2.9  No Change in Loan Review.....................   29
          5.2.10 No Governmental Proceedings..................   29
          5.2.11 Approval by Counsel..........................   29
          5.2.12 Receipt of Title Policy......................   29
          5.2.13 Corporate and Stockholder Action.............   29
          5.2.14 Tax Opinion..................................   29
          5.2.15 Opinion of Counsel...........................   29
          5.2.16 Cash Paid....................................   30
          5.2.17 Affiliate Letters............................   30
          5.2.18 Registration Statement.......................   30
          5.2.19 Consents.....................................   31
          5.2.20 Fairness Opinions............................   31
          5.2.21 Accounting Treatment.........................   31
          5.2.22 Solicitation of Employees....................   31
          5.2.23 Other Matters................................   31
     5.3  Conditions to HUB's Obligations.....................   31
          5.3.1  Representations..............................   31
          5.3.2  Compliance...................................   31
          5.3.3  No Material Adverse Effect...................   31
          5.3.4  No Governmental Proceedings..................   31
          5.3.5  Corporate and Stockholder Action.............   32
          5.3.6  Tax Opinion..................................   32
          5.3.7  Opinion of Counsel...........................   32
          5.3.8  Fairness Opinion.............................   32
          5.3.9  Cash Paid....................................   32
          5.3.10 Registration Statement.......................   33
          5.3.11 Director Appointment.........................   33
          5.3.12 Approval by Counsel..........................   33
                                                               
SECTION 6 DIRECTORS, OFFICERS AND EMPLOYEES...................   33

     6.1  Directors...........................................   33
     6.2  Director Appointment................................   33
     6.3  Employment Agreement................................   33
     6.4  Employees...........................................   33
     6.5  Employee Benefit Issues.............................   33
          6.5.1  Comparability of Benefits....................   33
          6.5.2  Termination and Transfer/Merger of Plans.....   34
          6.5.3  No Contract Created..........................   34
                                                               
SECTION 7 TERMINATION OF AGREEMENT AND ABANDONMENT OF          
          TRANSACTION.........................................   34

     7.1  Termination by Reason of Lapse of Time..............   34
     7.2  Other Grounds for Termination.......................   34
          7.2.1  Mutual Consent...............................   34
          7.2.2  HUB's Conditions Not Met.....................   34



                                      iii



<PAGE>   5



          7.2.3  Glacier's Conditions Not Met.................   34
          7.2.4  HUB Fails to Recommend Stockholder
                 Approval or Option Become Exercisable........   34
          7.2.5  Impracticability.............................   34
     7.3  HUB Termination Fee.................................   35
     7.4  Glacier Termination Fee.............................   35
     7.5  Cost Allocation Upon Termination....................   35

SECTION 8 MISCELLANEOUS.......................................   35

     8.1  Notices.............................................   35
     8.2  Waivers and Extensions..............................   36
     8.3  General Interpretation..............................   36
     8.4  Construction and Execution in Counterparts..........   36
     8.5  Survival of Representations and Covenants...........   37
     8.6  Attorneys' Fees and Costs...........................   37
     8.7  Arbitration.........................................   37
     8.8  Governing Law and Venue.............................   37
     8.9  Severability........................................   37

SECTION 9 AMENDMENTS..........................................   37

EXHIBITS AND SCHEDULES:

EXHIBIT A      Form Affiliate Letter

TRANSITION PLAN SCHEDULE

SCHEDULE 1     Exceptions to Representations
SCHEDULE 2     Offices
SCHEDULE 3     Subsidiaries
SCHEDULE 4     Glacier Stock Plans
SCHEDULE 5     Material Contracts
SCHEDULE 6     HUB's Required Third Party Consents
SCHEDULE 7     HUB's Asset Classification List
SCHEDULE 8     HUB's Investments
SCHEDULE 9     HUB's Property Encumbrances
SCHEDULE 10    HUB's and the Bank's Offices and Branches
SCHEDULE 11    HUB's Compliance with Laws
SCHEDULE 12    HUB's Litigation Disclosure
SCHEDULE 13    HUB's and The Bank's Insurance Policies
SCHEDULE 14    HUB's Employee Benefit Plans





                                       iv


<PAGE>   6


                              INDEX OF DEFINITIONS

<TABLE>
<CAPTION>
=======================================================================================
TERMS                                                             SECTION
- ---------------------------------------------------------------------------------------
<S>                                                               <C>
Agreement                                                         Intro. Paragraph
- ---------------------------------------------------------------------------------------

ASR                                                               4.3.2
- ---------------------------------------------------------------------------------------

Asset Classification                                              3.2.4
- ---------------------------------------------------------------------------------------

Bank                                                              Recital A
- ---------------------------------------------------------------------------------------

Bank Common Stock                                                 3.1.3(b)(7)
- ---------------------------------------------------------------------------------------

BHCA                                                              Recital A
- ---------------------------------------------------------------------------------------

Closing                                                           1.2.1
- ---------------------------------------------------------------------------------------

Columbia                                                          Recital I
- ---------------------------------------------------------------------------------------

Compensation Plans                                                3.2.13(b)
- ---------------------------------------------------------------------------------------

Continuing Corporation                                            Recital B.1
- ---------------------------------------------------------------------------------------

Continuing Corporation Common Stock                               Recital B.2
- ---------------------------------------------------------------------------------------

Continuing Employees                                              6.4
- ---------------------------------------------------------------------------------------

Contracts                                                         3.2.3(b)
- ---------------------------------------------------------------------------------------

D. A. Davidson                                                    Recital I
- ---------------------------------------------------------------------------------------

Dissenting Shares                                                 1.4
- ---------------------------------------------------------------------------------------

Effective Date                                                    2.1
- ---------------------------------------------------------------------------------------

Employees                                                         3.2.13(b)
- ---------------------------------------------------------------------------------------

Environmental Laws                                                3.2.14(a)(2)
- ---------------------------------------------------------------------------------------

ERISA                                                             3.2.13(a)
- ---------------------------------------------------------------------------------------

ERISA Affiliate                                                   3.2.13(d)
- ---------------------------------------------------------------------------------------

Exchange Act                                                      3.1.5(b)
- ---------------------------------------------------------------------------------------

Exchange Agent                                                    1.3.6(a)
- ---------------------------------------------------------------------------------------

Exchange Ratio                                                    1.3.2
=======================================================================================
</TABLE>




                                       v


<PAGE>   7

<TABLE>
<CAPTION>
=======================================================================================
TERMS                                                             SECTION
- ---------------------------------------------------------------------------------------
<S>                                                               <C>
Executive Officer                                                 3.1.8
- ---------------------------------------------------------------------------------------

FDIA                                                              3.1.2(b)
- ---------------------------------------------------------------------------------------

FDIC                                                              3.1.2(b)
- ---------------------------------------------------------------------------------------

Federal Reserve Board                                             Recital D.3
- ---------------------------------------------------------------------------------------

Financial Statements                                              3.1.5(d)(1)
- ---------------------------------------------------------------------------------------

GAAP                                                              3.1.5(d)
- ---------------------------------------------------------------------------------------

Glacier                                                           Intro. Paragraph
- ---------------------------------------------------------------------------------------

Glacier Common Stock                                              3.1.3(a)(1)
- ---------------------------------------------------------------------------------------

Glacier Financial Statements                                      3.1.5(d)(2)
- ---------------------------------------------------------------------------------------

Glacier Preferred Stock                                           3.1.3(a)(1)
- ---------------------------------------------------------------------------------------

Glacier Shares                                                    1.3.2
- ---------------------------------------------------------------------------------------

Glacier Stock Plans                                               3.1.3(a)(2)
- ---------------------------------------------------------------------------------------

Governmental Entity                                               3.2.3(a)
- ---------------------------------------------------------------------------------------

Hazardous Substances                                              3.2.14(a)(3)
- ---------------------------------------------------------------------------------------

HOLA                                                              Recital A
- ---------------------------------------------------------------------------------------

HUB                                                               Intro. Paragraph
- ---------------------------------------------------------------------------------------

HUB Common Stock                                                  3.1.3(b)(1)
- ---------------------------------------------------------------------------------------

HUB Financial Statements                                          3.1.5(d)(4)
- ---------------------------------------------------------------------------------------

IRC                                                               Recital J
- ---------------------------------------------------------------------------------------

Liens                                                             3.1.3(a)(5)
- ---------------------------------------------------------------------------------------

Material Adverse Effect                                           3.1.6
- ---------------------------------------------------------------------------------------

Merger                                                            Recital B
- ---------------------------------------------------------------------------------------

Pension Plan                                                      3.2.13(c)
- ---------------------------------------------------------------------------------------

Plan/Plans                                                        3.2.13(a)
=======================================================================================
</TABLE>




                                       vi

<PAGE>   8

<TABLE>
<CAPTION>
=======================================================================================
TERMS                                                             SECTION
- ---------------------------------------------------------------------------------------
<S>                                                               <C>
Plan of Exchange                                                  Recital G
- ---------------------------------------------------------------------------------------

Property                                                          4.1.10
- ---------------------------------------------------------------------------------------

Prospectus/Proxy Statement                                        4.2.1(a)
- ---------------------------------------------------------------------------------------

Purchase Price                                                    1.3.1
- ---------------------------------------------------------------------------------------

Registration Statement                                            4.2.1(a)
- ---------------------------------------------------------------------------------------

Regulatory Approvals                                              Recital D.3
- ---------------------------------------------------------------------------------------

Reports                                                           3.1.5(b)
- ---------------------------------------------------------------------------------------

SEC                                                               3.1.5(a)
- ---------------------------------------------------------------------------------------

Securities Act                                                    3.1.5(b)
- ---------------------------------------------------------------------------------------

Securities Laws                                                   3.1.5(b)
- ---------------------------------------------------------------------------------------

Stock Option Agreement                                            Recital H
- ---------------------------------------------------------------------------------------

Subject Property                                                  3.2.14(a)(1)
- ---------------------------------------------------------------------------------------

Subsequent Glacier Financial Statements                           3.1.5(d)(3)
- ---------------------------------------------------------------------------------------

Subsequent HUB Financial Statements                               3.1.5(d)(5)
- ---------------------------------------------------------------------------------------

Subsidiary/Subsidiaries                                           3.1.2(a)
- ---------------------------------------------------------------------------------------

Tangible Equity Capital                                           5.2.3
- ---------------------------------------------------------------------------------------

Tax                                                               3.2.10
- ---------------------------------------------------------------------------------------

Termination Date                                                  2.1
- ---------------------------------------------------------------------------------------

Transaction                                                       1.1
- ---------------------------------------------------------------------------------------

Transaction Fees                                                  1.3.3
- ---------------------------------------------------------------------------------------

WBCA                                                              1.2
=======================================================================================
</TABLE>





                                      vii


<PAGE>   9


                          PLAN AND AGREEMENT OF MERGER
                                     BETWEEN
                              GLACIER BANCORP, INC.
                                       AND
                            HUB FINANCIAL CORPORATION

        This Plan and Agreement of Merger ("Agreement"), dated as of December
30, 1997, is between GLACIER BANCORP, INC. ("Glacier"), a Delaware corporation
and HUB FINANCIAL CORPORATION ("HUB"), a Montana corporation.

                                    PREAMBLE

        Glacier's and HUB's management and boards of directors believe,
respectively, that the merger of HUB with and into Glacier, on the terms and
conditions set forth in this Agreement, is in the best interests of Glacier's
and HUB's stockholders.

                                    RECITALS

A.      THE PARTIES. Glacier is a corporation duly organized and validly
        existing under Delaware law and is a registered bank holding company
        under the Bank Holding Company Act of 1956, as amended ("BHCA"), and a
        savings and loan holding company within the meaning of the Home Owner's
        Loan Act, as amended ("HOLA"). Glacier's principal office is located in
        Kalispell, Montana. Glacier owns (1) all of the outstanding common stock
        of Glacier Bank, F.S.B. and First Security Bank of Missoula, (2) 93% of
        the outstanding common stock of Glacier National Bank of Whitefish, and
        (3) 93% of the outstanding common stock of First National Bank of
        Eureka. HUB is a corporation duly organized and validly existing under
        Montana law and is a registered bank holding company under the BHCA.
        HUB's principal office is located in Helena, Montana. HUB owns
        approximately 86.5% of the outstanding shares of common stock of Valley
        Bank of Helena ("Bank"), a Montana state-chartered commercial bank.

B.      THE MERGER. On the Effective Date, the following will occur:

        1.  HUB will merge with and into Glacier ("Merger"), and Glacier will be
            the surviving corporation under the name Glacier Bancorp, Inc.
            ("Continuing Corporation"). The Bank will become a separate direct
            subsidiary of Glacier.

        2.  Except as otherwise provided in this Agreement, the outstanding
            shares of HUB Common Stock will be converted into common stock
            shares of the Continuing Corporation ("Continuing Corporation Common
            Stock").

C.      BOARD APPROVALS. Glacier's and HUB's respective boards of directors have
        approved this Agreement and authorized its execution and delivery.

D.      OTHER APPROVALS.  The Merger is subject to:

        1.  satisfaction of the conditions described in this Agreement;

        2.  approval by HUB's stockholders; and




                                       1
<PAGE>   10

        3.  approval or acquiescence, as appropriate, by (a) the Board of
            Governors of the Federal Reserve System ("Federal Reserve Board")
            and (b) the State of Montana (collectively, "Regulatory Approvals").

E.      EMPLOYMENT AGREEMENT. The Bank has entered into an employment agreement,
        effective as of the Effective Date, with Fred J. Flanders, the Bank's
        President and CEO.

F.      DIRECTOR NONCOMPETITION AGREEMENT. Each Director of HUB's and the Bank's
        boards of directors has signed a Director Noncompetition Agreement.
        These noncompetition agreements will take effect on the Effective Date.

G.      PLAN OF EXCHANGE. Glacier and the Bank have entered into an Agreement
        and Plan of Share Exchange ("Plan of Exchange") providing for the
        exchange of Bank Common Stock shares owned by the Bank's minority
        shareholders for Glacier Common Stock shares. This exchange will take
        place immediately following Closing.

H.      STOCK OPTION AGREEMENT. As an inducement to and condition of Glacier's
        execution of this Agreement, HUB has approved the grant of an option to
        Glacier under the Stock Option Agreement, as provided in Subsection 1.8.

I.      FAIRNESS OPINIONS. HUB has received from Columbia Financial Advisors,
        Inc. ("Columbia") and delivered to Glacier an opinion to the effect that
        the financial terms of the Transaction are financially fair to HUB's
        stockholders. As a condition to Closing of the Transaction, Columbia
        will update this fairness opinion immediately before HUB mails the
        Prospectus/Proxy Statement to its stockholders and immediately before
        Closing. Glacier has received from D.A. Davidson & Co. ("D.A. Davidson")
        an opinion to the effect that the financial terms of the Transaction are
        financially fair to Glacier's stockholders.

J.      INTENTION OF THE PARTIES--ACCOUNTING AND TAX TREATMENT. The parties
        intend the Merger to qualify, for accounting purposes, as a "pooling of
        interests." The parties intend the Merger to qualify, for federal income
        tax purposes, as a tax-free reorganization under Section 368 of the
        Internal Revenue Code of 1986, as amended ("IRC").

                                    AGREEMENT

Glacier and HUB agree as follows:


                                    SECTION 1
                             TERMS OF TRANSACTION

1.1     TRANSACTION. Under and subject to this Agreement and the other documents
        referred to in this Agreement, HUB will merge with and into Glacier in
        the Merger. The term "Transaction" means the Merger transaction
        contemplated by this Agreement, subject to any modifications Glacier
        elects in accordance with Subsection 1.5.

1.2     MERGER. On the Effective Date, HUB will merge with and into Glacier,
        with Glacier being the surviving corporation, in accordance with the
        provisions of, and with the effect provided in the Montana Business
        Corporation Act ("MBCA"), Part 8, Subsections 35-1-813, et. seq. and
        Del. Corp. Stat., Title 8, Subchapter 9. On the Effective Date, the
        certificate of incorporation and bylaws of the Continuing Corporation
        will be Glacier's Certificate of Incorporation and Bylaws as in effect
        immediately before the Effective Date. The Continuing Corporation's name
        will be "Glacier Bancorp, Inc.," and the Continuing Corporation's
        principal office will be Glacier's principal office.




                                       2
<PAGE>   11

        Except as otherwise provided in Subsections 5.3.11 and 6.2, on the
        Effective Date, Glacier's directors and Glacier's officers will become
        the directors and officers of the Continuing Corporation. On the
        Effective Date, Glacier's shares then issued and outstanding will become
        issued and outstanding shares of the Continuing Corporation. HUB's
        stockholders (other than holders of Dissenting Shares) on the Effective
        Date will become stockholders of the Continuing Corporation by virtue of
        the Merger.

        1.2.1 CLOSING. Closing of the Transaction ("Closing") will take place in
              accordance with Section 2. All shares, other than Dissenting
              Shares, of HUB Common Stock issued and outstanding immediately
              before Closing will be converted at Closing into shares of
              Continuing Corporation Common Stock in accordance with Subsection
              1.3, by virtue of the Merger.

        1.2.2 THE BANK. By virtue of the Merger, the Bank will become the
              Continuing Corporation's subsidiary. On the Effective Date, the
              Bank's board of directors will be all directors who are the Bank's
              directors immediately before the Merger plus two additional
              Glacier directors designated by Glacier and reasonably acceptable
              to HUB. These directors will serve on the Bank's board of
              directors until the next annual meeting of the Bank's stockholders
              or until their successors have been elected and qualified. Nothing
              in this Agreement is intended to restrict in any way any rights of
              the Bank's stockholders and directors at any time after the
              Effective Date to nominate, elect, select, or remove the Bank's
              directors.

        1.2.3 EFFECT ON GLACIER COMMON STOCK. Glacier Common Stock shares
              issued and outstanding immediately before the Effective Date will
              remain outstanding and unchanged after the Merger.

1.3     CONSIDERATION.

        1.3.1 PURCHASE PRICE. Except as otherwise provided in Subsection 1.4 and
              Subject to Subsection 1.3.3, the aggregate consideration HUB's
              stockholders will be entitled to receive from Glacier in
              connection with the Transaction ("Purchase Price") will be the
              number of Glacier Common Stock shares (rounded to the nearest
              whole number, rounding down if the first decimal is four or less
              and rounding up if the first decimal if five or more) determined
              by multiplying 620,000 by HUB's fractional ownership of the Bank
              at Closing. HUB's fractional ownership of the Bank at Closing will
              be determined by dividing the number of Bank Common Stock shares
              owned by HUB on the Effective Date by the number of Bank Common
              Stock shares outstanding on the Effective Date and rounding the
              quotient to two decimals (rounding down if the third decimal is
              four or less and rounding up if the third decimal is five or
              more).

        1.3.2 EXCHANGE RATIO. Subject to the conditions and limitations in this
              Agreement, holders of HUB Common Stock will receive shares of
              Continuing Corporation Common Stock in exchange for their HUB
              Common Stock shares. The number of Continuing Corporation Common
              Stock shares each holder will receive in exchange for each HUB
              Common Stock share she holds of record on the Effective Date will
              be determined according to a ratio ("Exchange Ratio") computed as
              follows: In exchange for each share of HUB Common Stock held of
              record on the Effective Date, the holder will receive that number
              (rounded to 2 decimals, rounding down if the third decimal is four
              or less or up if it is five or more) of shares of Continuing
              Corporation Common Stock calculated by dividing the Purchase Price
              (as it may be adjusted under this Agreement) by the aggregate
              number of shares of HUB Common Stock that on the Effective Date
              are issued and outstanding.




                                       3
<PAGE>   12

              The shares of Continuing Corporation Common Stock to be issued to
              HUB Stockholders under this Agreement in connection with the
              Transaction are referred to as the "Glacier Shares."

        1.3.3 HUB EXPENSE LIMITATION. If HUB's Transaction Fees exceed $100,000,
              then before the Exchange Ratio is calculated, the Purchase Price
              will be reduced by the number of Glacier Common Stock shares equal
              in value to the excess. For purposes of determining this reduction
              in the Purchase Price, Glacier Common Stock shares will be valued
              at $21 per share. "Transaction Fees" means all costs and expenses
              incurred by HUB or owed or paid by HUB to third parties in
              connection with the preparation, negotiation and execution of this
              Agreement, the Plan of Exchange, and all related documents and the
              consummation of the Transaction, including expenses incurred by
              HUB in connection with obtaining approvals for the Transaction
              from regulators and stockholders, expenses related to the audits
              of the HUB Financial Statements required under this Agreement, not
              including exercise of options.

        1.3.4 CHANGE IN EQUITY CAPITAL. If, after the date of this Agreement but
              before the Effective Date, Glacier's or HUB's Common Stock issued
              and outstanding increases or decreases in number or is changed
              into or exchanged for a different kind or number of securities,
              through a recapitalization, reclassification, stock dividend,
              stock split, reverse stock split or other similar change in
              capitalization (not including increases in number due to issuances
              of shares upon exercise of any outstanding options to purchase
              Glacier Common Stock shares) of Glacier or HUB, as the case may
              be, then, as appropriate, the parties will make the proportionate
              adjustment to the Purchase Price.

        1.3.5 NO FRACTIONAL SHARES. The Continuing Corporation will not issue
              fractional shares of Continuing Corporation Common Stock. In lieu
              of fractional shares, if any, each stockholder of HUB who is
              otherwise entitled to receive a fractional share of Continuing
              Corporation Common Stock will receive an amount of cash equal to
              the product of such fraction times $21. Such fractional share
              interest will not include the right to vote or receive dividends
              or any interest on dividends.

        1.3.6 CERTIFICATES.

              (a) Surrender of Certificates. Each certificate evidencing HUB
                  Common Stock shares (other than Dissenting Shares) will, on
                  and after the Effective Date, be deemed for all corporate
                  purposes to represent and evidence only the right to receive a
                  certificate representing the Glacier Shares (or to receive the
                  cash for fractional shares) to which the HUB Common Stock
                  shares converted in accordance with the provisions of this
                  Subsection 1.3. Following the Effective Date, HUB stockholders
                  may exchange HUB Common Stock certificates by surrendering
                  them to the agent ("Exchange Agent") designated by Glacier and
                  HUB to effect the exchange of HUB Common Stock certificates
                  for certificates representing Glacier Shares (or for cash in
                  lieu of fractional shares), in accordance with any
                  instructions provided by the Exchange Agent and together with
                  a properly completed and executed form of transmittal letter.
                  Until a holder's certificate evidencing HUB Common Stock is so
                  surrendered, the holder will not have any right to receive any
                  certificates evidencing Glacier Shares or cash in lieu of
                  fractional shares.

              (b) Issuance of Certificates in Other Names. Any person requesting
                  that any certificate evidencing Glacier Shares be issued in a
                  name other than the name in 




                                       4
<PAGE>   13

                  which the surrendered HUB Common Stock certificate is
                  registered, must: (1) establish to the Exchange Agent's
                  satisfaction the right to receive the certificate evidencing
                  Glacier Shares and (2) either pay to the Exchange Agent any
                  applicable transfer or other taxes or establish to the
                  Exchange Agent's satisfaction that all applicable taxes have
                  been paid or are not required.

              (c) Lost, Stolen, and Destroyed Certificates. The Exchange Agent
                  will be authorized to issue a certificate representing Glacier
                  Shares in exchange for a HUB Common Stock certificate that has
                  been lost, stolen or destroyed, if the holder provides the
                  Exchange Agent with: (1) satisfactory evidence that the holder
                  owns HUB Common Stock and that the certificate representing
                  this ownership is lost, stolen, or destroyed, (2) any
                  appropriate affidavit the Exchange Agent may reasonably
                  require, and (3) any indemnification assurances that the
                  Exchange Agent may reasonably require.

              (d) Rights to Dividends and Distributions. No holder of a
                  certificate evidencing HUB Common Stock shares will be
                  entitled to receive any dividends or other distributions
                  otherwise payable to holders of record of Glacier Common Stock
                  on any date after the Effective Date, unless the holder (1) is
                  entitled by this Agreement to receive a certificate
                  representing Glacier Shares and (2) has surrendered in
                  accordance with this Agreement her HUB Common Stock
                  certificates (or has met the requirements of 1.3(c) above) in
                  exchange for certificates representing Glacier Shares.
                  Surrender of HUB Common Stock certificates will not deprive
                  the holder of any dividends or distributions that the holder
                  is entitled to receive as a record holder of HUB Common Stock
                  on a date before the Effective Date. When the holder
                  surrenders her certificates, the holder will receive the
                  amount, without interest, of any cash dividends and any other
                  distributions distributed to holders of record of Glacier
                  Common Stock on or after the Effective Date on the whole
                  number of shares of Glacier Shares into which the holder's HUB
                  Common Stock was converted at the Effective Date.

              (e) Checks in Other Names. Any person requesting that a check for
                  cash in lieu of fractional shares be issued in a name other
                  than the name the HUB Common Stock certificate surrendered in
                  exchange for the cash is registered in, must establish to the
                  Exchange Agent's satisfaction the right to receive this cash.

1.4     PAYMENT TO DISSENTING STOCKHOLDERS. For purposes of this Agreement,
        "Dissenting Shares" means those shares of HUB Common Stock as to which
        stockholders have properly taken all steps necessary to perfect their
        dissenters' rights under MBCA Subsections 35-1-826 through 35-1-839.
        Each outstanding Dissenting Share of HUB Common Stock will be converted
        at Closing into the rights provided under those sections of the MBCA.

1.5     ALTERNATIVE STRUCTURES. Subject to the conditions set forth below,
        Glacier may, within 90 days of the execution of this Agreement and in
        its sole discretion, elect to consummate the Transaction by means other
        than those specified in this Section 1. If Glacier so elects, any means,
        procedures, or amendments necessary or desirable to consummate the
        Transaction, in the opinion of Glacier's counsel, will supersede any
        conflicting, undesirable or unnecessary provisions of this Agreement.
        But, unless this Agreement is amended in accordance with Section 9, the
        following conditions will apply: (1) the type and amount of
        consideration set forth in Subsection 1.3 will not be modified and (2)
        the tax consequences to HUB and its stockholders will not be adversely
        affected. If Glacier elects an alternative structure under this
        Subsection 1.5, HUB will cooperate with and assist Glacier with the
        following: (1) any




                                       5
<PAGE>   14

        amendments to this Agreement necessary or desirable in the opinion of
        Glacier's counsel and (2) the preparation and filing of any
        applications, documents, instruments and notices necessary or desirable,
        in the opinion of Glacier's counsel, to effect the alternative structure
        and to obtain the necessary stockholder approvals and approvals of any
        regulatory agency, administrative body, or other governmental entity.
        Glacier will pay any additional expenses incurred by HUB in connection
        with any such changes, if those expenses would not have been incurred by
        HUB absent Glacier's election under this Subsection 1.5, and the
        expenses so incurred will not be deemed Transaction Fees.

1.6     LETTER OF TRANSMITTAL. Glacier will prepare a transmittal letter form
        reasonably acceptable to HUB for use by stockholders holding HUB Common
        Stock. Certificates representing shares of HUB Common Stock must be
        delivered for payment in the manner provided in the transmittal letter
        form. On or about the Effective Date, Glacier will mail the transmittal
        letter form to HUB stockholders.

1.7     UNDELIVERED CERTIFICATES. If outstanding certificates for HUB Common
        Stock are not surrendered or the payment for them is not claimed before
        those payments would escheat or become the property of any governmental
        unit or agency, the unclaimed items will, to the extent permitted by
        abandoned property or any other applicable law, become the property of
        the Continuing Corporation (and to the extent not in its possession will
        be paid over to the Continuing Corporation), free and clear of all
        claims or interests of any person previously entitled to such items.
        But, neither the Continuing Corporation nor either party to this
        Agreement will be liable to any holder of HUB Common Stock for any
        amount paid to any governmental unit or agency having jurisdiction over
        any such unclaimed items under the abandoned property or other
        applicable law of the jurisdiction, and the Continuing Corporation will
        pay no interest on amounts owed to stockholders for shares of HUB Common
        Stock.

1.8     STOCK OPTION AGREEMENT. As a condition to the execution of this
        Agreement, Glacier and HUB will sign a Stock Option Agreement of even
        date with this Agreement.

                                    SECTION 2
                           CLOSING OF THE TRANSACTION

2.1     CLOSING. Closing will occur on the Effective Date. If Closing does not
        occur on or before August 31, 1998 ("Termination Date"), either Glacier
        or HUB may terminate this Agreement in accordance with Section 7. Unless
        Glacier and HUB agree upon another date, the Effective Date will be a
        date selected by Glacier within 30 calendar days after the following:

        (a) each condition precedent set forth in Section 5 has been either
            fulfilled or waived; and

        (b) each approval required by Section 5 has been granted, and all
            applicable waiting periods have expired.

2.2     EVENTS OF CLOSING. On the Effective Date, all properly executed
        documents required by this Agreement will be delivered to the proper
        party in form consistent with this Agreement. If any party fails to
        deliver a required document on the Effective Date or otherwise defaults
        under this Agreement on or before the Effective Date, then the
        Transaction will not occur unless the adversely affected party waives
        the default.

2.3     PLACE OF CLOSING. Unless Glacier and HUB agree otherwise, Closing will
        occur on the Effective Date at Glacier's main office, 202 Main Street,
        Kalispell, Montana.




                                       6
<PAGE>   15

                                    SECTION 3
                                 REPRESENTATIONS

3.1     REPRESENTATIONS OF GLACIER AND HUB. Subject to Subsection 3.3 and
        except as expressly set forth in Schedule 1, Glacier represents to HUB,
        and HUB represents to Glacier, the following:

        3.1.1 CORPORATE ORGANIZATION AND QUALIFICATION.

              (a) It is a corporation duly organized and validly existing under
                  the state laws of either Montana or Delaware (as applicable),
                  and its activities do not require it to be qualified in any
                  jurisdiction other than Montana.

              (b) It has the requisite corporate power and authority to own or
                  lease its properties and assets and to carry on its businesses
                  as they are now being conducted.

              (c) The location of each of its offices is listed in Schedule 2.

              (d) It has made available to the other party to this Agreement a
                  complete and correct copy of its certificate or articles of
                  incorporation and bylaws, each as amended to date and
                  currently in full force and effect.

        3.1.2 SUBSIDIARIES.

              (a) Schedule 3 lists all of its Subsidiaries and its percentage
                  ownership of these Subsidiaries, as of the date of this
                  Agreement. In this Agreement, the term "Subsidiary" with
                  respect to a party means any corporation, partnership,
                  financial institution, trust company, or other entity owned or
                  controlled by that party or any of its subsidiaries or
                  affiliates (or owned or controlled by that party together with
                  one or more of its subsidiaries or affiliates). A Subsidiary
                  is considered to be owned or controlled by a party if that
                  party or any of its Subsidiaries (individually or together
                  with the party) directly or indirectly owns, controls, or has
                  the ability to exercise 50% or more of the voting power of the
                  Subsidiary.

              (b) Each of its depository institution Subsidiaries is an "insured
                  depository institution," as defined in the Federal Deposit
                  Insurance Act ("FDIA") and applicable regulations under the
                  FDIA, having deposits insured by the Federal Deposit Insurance
                  Corporation ("FDIC"), subject to applicable FDIC coverage
                  limitations.

              (c) Each of its Subsidiaries is: (1) either a commercial bank, a
                  federally chartered savings bank, or a corporation; (2) duly
                  organized and validly existing under either federal or Montana
                  law (as applicable); and (3) qualified to do business and in
                  good standing in each jurisdiction where the property owned,
                  leased, or operated, or the business conducted by the
                  Subsidiary, requires this qualification.

              (d) Each of its Subsidiaries has the requisite corporate power and
                  authority to own or lease its properties and assets and to
                  carry on its business as it is now being conducted.




                                       7
<PAGE>   16

        3.1.3 CAPITAL STOCK.

              (a) Glacier. Glacier represents:

                  (1) on the date this Agreement was signed, Glacier's
                      authorized capital stock consists of 20 million shares
                      divided into two classes: (i) 12.5 million shares of
                      common stock, par value $.01 per share ("Glacier Common
                      Stock"), 6,818,563 [TO BE UPDATED BEFORE SIGNING] shares
                      of which are issued and outstanding and (ii) 7.5 million
                      shares of blank-check preferred stock, par value $.01 per
                      share, none of which is outstanding ("Glacier Preferred
                      Stock");

                  (2) options or rights to acquire not more than an aggregate of
                      466,504 [TO BE UPDATED BEFORE SIGNING] Glacier Common
                      Stock shares (subject to adjustment on the terms set forth
                      in the Glacier Stock Plans) are outstanding under the
                      stock option plans listed in Schedule 4 ("Glacier Stock
                      Plans");

                  (3) No Glacier Common Stock shares are reserved for issuance,
                      other than the shares reserved for issuance under the
                      Glacier Stock Plans, and Glacier has no shares of Glacier
                      Preferred Stock reserved for issuance;

                  (4) all outstanding shares of Glacier Common Stock have been
                      duly authorized and validly issued and are fully paid and
                      nonassessable;

                  (5) all outstanding shares of capital stock of each of
                      Glacier's Subsidiaries owned by Glacier or a Subsidiary of
                      Glacier have been duly authorized and validly issued and
                      are fully paid and nonassessable, except to the extent any
                      assessment is required under federal law, and are owned by
                      Glacier or a Subsidiary of Glacier free and clear of all
                      liens, pledges, security interests, claims, proxies,
                      preemptive or subscriptive rights or other encumbrances or
                      restrictions of any kind (collectively, "Liens"); and

                  (6) except as set forth in this Agreement or in the Glacier
                      Stock Plans, there are no preemptive rights or any
                      outstanding subscriptions, options, warrants, rights,
                      convertible securities, or other agreements or commitments
                      of Glacier or any of its Subsidiaries of any character
                      relating to the issued or unissued capital stock or other
                      equity securities of Glacier (including those relating to
                      the issuance, sale, purchase, redemption, conversion,
                      exchange, redemption, voting or transfer of such stock or
                      securities).

              (b) HUB. HUB represents:

                  (1) HUB's authorized capital stock consists of (i) 50,000
                      shares of common stock, no par value ("HUB Common Stock"),
                      9,265 shares of which are issued and outstanding,

                  (2) no options or rights to acquire HUB Common Stock shares
                      are outstanding;




                                       8
<PAGE>   17

                  (3) Neither HUB nor any of its Subsidiaries have any stock
                      option plans, employee stock purchase plans, or other
                      plans or agreements providing for the grant of options or
                      other rights to acquire HUB Common Stock shares or shares
                      of capital stock of any of HUB's Subsidiaries, and no HUB
                      Common Stock shares or capital stock shares of any of its
                      Subsidiaries are reserved for issuance;

                  (4) all outstanding HUB Common Stock shares have been duly
                      authorized and validly issued and are fully paid and
                      nonassessable;

                  (5) all outstanding shares of capital stock of each of HUB's
                      Subsidiaries have been duly authorized and validly issued
                      and are fully paid and nonassessable, except to the extent
                      of any assessment required under the Montana Bank Act
                      Subsection 32-1-506, and, except as otherwise provided in
                      this Agreement, at Closing will be owned by HUB or a
                      Subsidiary of HUB free and clear of all Liens;

                  (6) There are no preemptive rights or any outstanding
                      subscriptions, options, warrants, rights, convertible
                      securities, or other agreements or commitments of HUB or
                      any of its Subsidiaries of any character relating to the
                      issued or unissued capital stock or other equity
                      securities of HUB or any of its Subsidiaries (including
                      those relating to the issuance, sale, purchase,
                      redemption, conversion, exchange, registration, voting or
                      transfer of such stock or securities);

                  (7) the Bank's authorized capital stock consists of (i) 11,000
                      shares of common stock, par value $40 per share ("Bank
                      Common Stock"), 11,000 shares of which are issued and
                      outstanding;

                  (8) it owns 9,513 of the 11,000 total shares of Bank Common
                      Stock outstanding and all, if any, of the Bank's preferred
                      stock outstanding, and these shares are free and clear of
                      all encumbrances; and

                  (9) HUB has no Subsidiaries other than the Bank, and the Bank
                      has no Subsidiaries.

        3.1.4 CORPORATE AUTHORITY.

              (a) It has the requisite corporate power and authority and has
                  taken all corporate action necessary in order to execute and
                  deliver this Agreement, subject (in HUB's case) only to the
                  approval by HUB's stockholders of the plan of Merger contained
                  in this Agreement to the extent required by MBCA Subsections
                  35-1-815 and 35-1-819, to complete the Transaction.

              (b) This Agreement is a valid and legally binding agreement of it,
                  enforceable in accordance with the terms of this Agreement.

        3.1.5 REPORTS AND FINANCIAL STATEMENTS<<.

              (a) Filing of Reports. Since January 1, 1994, it and each of its
                  Subsidiaries has filed all reports and statements, together
                  with any required amendments to these reports and statements,
                  that it was required to file with (1) the Securities and




                                       9
<PAGE>   18

                  Exchange Commission ("SEC"), (2) the Federal Reserve Board,
                  (3) the FDIC, and (4) any other applicable federal or state
                  banking, insurance, securities, or other regulatory
                  authorities. Each of these reports and statements (as amended
                  before the date of this Agreement), including the related
                  financial statements and exhibits, complied (or will comply,
                  in the case of reports or statements filed after the date of
                  this Agreement) as to form in all material respects with all
                  applicable statutes, rules and regulations as of their
                  respective dates (and, in the case of reports or statements
                  filed before the date of this Agreement, without giving effect
                  to any amendments or modifications filed after the date of
                  this Agreement).

              (b) Delivery to Other Party of Reports. It has delivered to the
                  other party a copy of each registration statement, offering
                  circular, report, definitive proxy statement or information
                  statement under the Securities Act of 1933, as amended,
                  ("Securities Act"), the Securities Exchange Act of 1934, as
                  amended, ("Exchange Act"), and state securities and "Blue Sky"
                  laws (collectively, the "Securities Laws") filed, used or
                  circulated by it with respect to periods since January 1,
                  1994, through the date of this Agreement. It will promptly
                  deliver to the other party each such registration statement,
                  offering circular, report, definitive proxy statement or
                  information statement filed, used or circulated after the date
                  of this Agreement (collectively, its "Reports"), each in the
                  form (including related exhibits and amendments) filed with
                  the SEC (or if not so filed, in the form used or circulated).

              (c) Compliance with Securities Laws. As of their respective dates
                  (and without giving effect to any amendments or modifications
                  filed after the date of this Agreement), each of the Reports,
                  including the related financial statements, exhibits and
                  schedules, filed, used or circulated before the date of this
                  Agreement complied (and each of the Reports filed after the
                  date of this Agreement, will comply) with applicable
                  Securities Laws, and did not (or in the case of reports,
                  statements, or circulars filed after the date of this
                  Agreement, will not) contain any untrue statement of a
                  material fact or omit to state a material fact required to be
                  stated therein or necessary to make the statements made
                  therein, in light of the circumstances under which they were
                  made, not misleading.

              (d) Financial Statements. Each of its balance sheets included in
                  the Financial Statements fairly presents (or, in the case of
                  Financial Statements for periods ending on a date following
                  the date of this Agreement, will fairly present) the
                  consolidated financial position of it and its Subsidiaries as
                  of the date of the balance sheet. Each of the consolidated
                  statements of income, cash flows and stockholders' equity
                  included in the Financial Statements fairly presents (or, in
                  the case of Financial Statements for periods ending on a date
                  following the date of this Agreement, will fairly present) the
                  consolidated results of operations, retained earnings and cash
                  flows, as the case may be, of it and its Subsidiaries for the
                  periods set forth in these statements (subject, in the case of
                  unaudited statements, to normal year-end audit adjustments),
                  in each case in accordance with generally accepted accounting
                  principles, consistently applied ("GAAP"), except as may be
                  noted in these statements.

                  (1) "Financial Statements" means: (i) in Glacier's case, the
                      Glacier Financial Statements (or for periods ending on a
                      date following the date of this




                                       10
<PAGE>   19

                      Agreement, the Subsequent Glacier Financial Statements);
                      and (ii) in HUB's case, the HUB Financial Statements (or
                      for periods ending on a date following the date of this
                      Agreement, the Subsequent HUB Financial Statements).

                  (2) "Glacier Financial Statements" means Glacier's (i) audited
                      consolidated statements of financial condition as of
                      December 31, 1996 and 1995, and the related audited
                      statements of income, cashflows and changes in
                      stockholders' equity for each of the years ended December
                      31, 1996 and 1995; and (ii) unaudited consolidated
                      statements of financial condition as of the end of each
                      fiscal quarter following December 31, 1996 but preceding
                      the date of this Agreement, and the related unaudited
                      statements of income, cashflows and changes in
                      stockholders' equity for each such quarter.

                  (3) "Subsequent Glacier Financial Statements" means (i)
                      audited consolidated statements of financial condition as
                      of December 31, 1997, and the related audited statements
                      of income, cashflows, and changes in stockholders' equity
                      for the year ended December 31, 1997, and (ii) unaudited
                      balance sheets and related statements of income and
                      stockholders' equity for each of Glacier's fiscal quarters
                      ending after the December 31, 1997 and before Closing.

                  (4) "HUB Financial Statements" means (i) HUB's unaudited
                      consolidated statements of financial condition as of
                      December 31, 1996, 1995, and 1994, and the related
                      unaudited statements of income, cashflows and changes in
                      stockholders' equity for each of the years ended December
                      31, 1996, 1995, and 1994; and (ii) HUB's unaudited
                      consolidated statements of financial condition as of the
                      end of each fiscal quarter following December 31, 1996 but
                      preceding the date of this Agreement, and the related
                      unaudited statements of income, cashflows and changes in
                      stockholders' equity for each such quarter.

                  (5) "Subsequent HUB Financial Statements" means (i) unaudited
                      balance sheets and related statements of income and
                      stockholders' equity for each of HUB's and the Bank's
                      fiscal quarters ending after the date of this Agreement
                      and before Closing, and (ii) HUB's audited consolidated
                      statements of financial condition as of December 31, 1997,
                      and the related audited statements of income, cashflows,
                      and changes in stockholders' equity for the year ended
                      December 31, 1997.

        3.1.6 ABSENCE OF CERTAIN EVENTS AND CHANGES. Except as disclosed in its
              Financial Statements and Reports, since December 31, 1996: (1) it
              and its Subsidiaries have conducted their respective businesses
              only in the ordinary and usual course of the businesses and (2) no
              change or development or combination of changes or developments
              has occurred that, individually or in the aggregate, is reasonably
              likely to result in a Material Adverse Effect with respect to it
              or its Subsidiaries. For purposes of this Agreement, "Material
              Adverse Effect" with respect to any corporation means an effect
              that: (1) is materially adverse to the business, financial
              condition, results of operations or prospects of the corporation
              and its Subsidiaries taken as a whole; (2) significantly and
              adversely affects the ability of the corporation to consummate the
              transactions contemplated by this Agreement by the Termination
              Date or to perform its




                                       11
<PAGE>   20

              material obligations under this Agreement; or (3) enables any
              persons to prevent the consummation by the Termination Date of the
              transactions contemplated by this Agreement. No Material Adverse
              Effect will be deemed to have occurred on the basis of any effect
              resulting from actions or omissions of the corporation taken with
              the explicit prior consent of the other party to this Agreement.

        3.1.7 MATERIAL AGREEMENTS.

              (a) Except for the Glacier Stock Plans (in Glacier's case) and
                  arrangements made after the date and in accordance with the
                  terms of this Agreement, it and its Subsidiaries are not bound
                  by any material contract (as defined in Item 601(b)(10) of
                  Regulation S-K under the Securities Act) that: (1) is to be
                  performed after the date of this Agreement and (2) has not
                  been filed with or incorporated by reference in its Reports or
                  set forth in Schedule 5.

              (b) Neither it nor any of its Subsidiaries is in default under any
                  contract, agreement, commitment, arrangement, lease, insurance
                  policy, or other instrument.

        3.1.8 KNOWLEDGE AS TO CONDITIONS. Its President, Chief Executive
              Officer, and Chief Financial Officer (collectively, "Executive
              Officers") know of no reason why the Regulatory Approvals and, to
              the extent necessary, any other approvals, authorizations,
              filings, registrations, and notices should not be obtained without
              the imposition of any condition or restriction that is reasonably
              likely to have a Material Adverse Effect with respect to it, its
              Subsidiaries, or the Continuing Corporation, or the opinion of the
              tax experts referred to in Subsection 5.2.14.

        3.1.9 BROKERS AND FINDERS. Neither it, its Subsidiaries, nor any of
              their respective officers, directors or employees has employed any
              broker or finder or incurred any liability for any brokerage fees,
              commissions or finder's fees in connection with the transactions
              contemplated in this Agreement.

3.2     HUB'S ADDITIONAL REPRESENTATIONS. Subject to Subsection 3.3 and except
        as expressly set forth in Schedule 1, HUB represents to Glacier, the
        following:

        3.2.1 LOAN AND LEASE LOSSES. Its Executive Officers know of no reason
              why the allowance for loan and lease losses shown in the
              consolidated balance sheets included in the Financial Statements
              for the periods ended December 31, 1996, March 31, 1997, June 30,
              1997, and September 30, 1997 was not adequate as of those dates,
              respectively, to provide for estimable and probable losses, net of
              recoveries relating to loans not previously charged off, inherent
              in its loan portfolio.

        3.2.2 NO STOCK OPTION PLANS. Neither it nor any of its Subsidiaries has
              adopted any stock option plans or granted any options or rights to
              acquire any shares of Bank Common Stock, HUB Common Stock, or
              capital stock or other ownership interest of any HUB Subsidiary.

        3.2.3 GOVERNMENTAL FILINGS; NO VIOLATIONS.

              (a) Filings. Other than the Regulatory Approvals, and other than
                  as required under the Hart-Scott-Rodino Antitrust Improvements
                  Act of 1976, as amended, the Securities Act, the Exchange Act,
                  state securities and "Blue Sky" laws, no notices, nor are any
                  reports or other filings are required to be made by it with,




                                       12
<PAGE>   21
                  consents, registrations, approvals, permits or
                  authorizations required to be obtained by it from, any
                  governmental or regulatory authority, agency, court,
                  commission or other entity, domestic or foreign ("Governmental
                  Entity"), in connection with the execution, delivery or
                  performance of this Agreement by it and the consummation by it
                  of the Transaction.

              (b) Violations. The execution, delivery and performance of this
                  Agreement does not and will not, and the consummation by it of
                  the Transaction will not, constitute or result in: (1) a
                  breach or violation of, or a default under, its articles of
                  incorporation or bylaws, or the comparable governing
                  instruments of any of its Subsidiaries; (2) a breach or
                  violation of, or a default under, or the acceleration of or
                  the creation of a Lien (with or without the giving of notice,
                  the lapse of time or both) under, any provision of any
                  agreement, lease, contract, note, mortgage, indenture,
                  arrangement or other obligation ("Contracts") of it or any of
                  its Subsidiaries; or (3) a violation of any law, rule,
                  ordinance or regulation or judgment, decree, order, award, or
                  governmental or non-governmental permit or license to which it
                  or any of its Subsidiaries is subject; or (4) any change in
                  the rights or obligations of any party under any of the
                  Contracts. Schedule 6 contains a list of all consents it or
                  its Subsidiaries must obtain from third parties under any
                  Contracts before consummation of the Transaction.

        3.2.4 ASSET CLASSIFICATION.

              (a) Schedule 7 sets forth an accurate and complete list as of
                  September 30, 1997, except as otherwise expressly noted in
                  Schedule 7, separated by category of classification or
                  criticism ("Asset Classification"), of the aggregate amounts
                  of loans, extensions of credit and other assets of it and its
                  Subsidiaries that have been criticized or classified by any
                  Governmental Entity, by any outside auditor, or by any
                  internal audit.

              (b) Except as shown on Schedule 7, no amounts of loans, extensions
                  of credit or other assets that have been classified or
                  criticized by any representative of any Governmental Entity as
                  "Other Assets Especially Mentioned," "Substandard,"
                  "Doubtful," "Loss" or words of similar effect are excluded
                  from the amounts disclosed in the Asset Classification, other
                  than amounts of loans, extensions of credit or other assets
                  that were paid off or charged off by it or its Subsidiaries
                  before the date of this Agreement.

        3.2.5 INVESTMENTS. Schedule 8 lists all investments (except investments
              in securities issued by federal state or local government or any
              subdivision or agency thereof and investments in Subsidiaries)
              made by it or any of its Subsidiaries in an amount greater than
              $25,000 or which represent an ownership interest of more than 5%
              in any corporation, company, partnership, or other entity. All
              investments comply with all applicable laws and regulations.

        3.2.6 PROPERTIES.

              (a) Except as disclosed or reserved against in its Financial
                  Statements or in Schedule 9, it and its Subsidiaries have good
                  and marketable title, free and clear of all Liens (other than
                  Liens for current taxes not yet delinquent or pledges to
                  secure deposits or liens securing Federal Home Loan Bank
                  borrowings) to all of




                                       13
<PAGE>   22

                  the properties and assets, tangible or intangible, reflected
                  in its Reports as being owned by it or its Subsidiaries as of
                  the date of this Agreement.

              (b) To the knowledge of its Executive Officers, all buildings and
                  all fixtures, equipment and other property and assets that are
                  material to its business on a consolidated basis and are held
                  under leases or subleases by it or its Subsidiaries are held
                  under valid leases or subleases, enforceable in accordance
                  with their respective terms (except as may be limited by
                  applicable bankruptcy, insolvency, reorganization, moratorium
                  or other laws affecting creditors' rights generally or by
                  general equity principles).

              (c) Schedule 10 lists all its and its Subsidiaries' existing
                  branches and offices and all new branches or offices it or any
                  of its Subsidiaries' has applied to establish or purchase,
                  along with the cost to establish or purchase those branches.

              (d) HUB has provided to Glacier copies of existing title policies
                  held in its or the Bank's files and relating to properties
                  owned or leased by HUB or the Bank, and no exceptions,
                  reservations, or encumbrances have arisen or been created
                  since the date of issuance of those policies.

        3.2.7 ANTI-TAKEOVER PROVISIONS. It and each of its Subsidiaries have
              taken all necessary action to exempt the Transaction, this
              Agreement, and the Stock Option Agreement from (a) all applicable
              Montana State law anti-takeover provisions, if any, and (b) any
              takeover-related provisions of its or the Bank's articles of
              incorporation or bylaws.

        3.2.8 COMPLIANCE WITH LAWS. Except as disclosed in Schedule 11, it and
              each of its Subsidiaries:

              (a) are in compliance, in the conduct of their business, with all
                  applicable federal, state, local, and foreign statutes, laws,
                  regulations, ordinances, rules, judgments, orders or decrees,
                  including the Bank Secrecy Act, the Truth in Lending Act, the
                  Equal Credit Opportunity Act, the Fair Housing Act, the
                  Community Reinvestment Act, the Home Mortgage Disclosure Act
                  and all applicable fair lending laws or other laws relating to
                  discrimination;

              (b) have all permits, licenses, certificates of authority, orders,
                  and approvals of, and have made all filings, applications, and
                  registrations with, federal, state, local, and foreign
                  governmental or regulatory bodies (including the Federal
                  Reserve) that are required in order to permit them to carry on
                  their business as it is presently conducted;

              (c) have received since January 1, 1994, no notification or
                  communication from any Governmental Entity (including any
                  bank, insurance and securities regulatory authorities) or its
                  staff (1) asserting a failure to comply with any of the
                  statutes, regulations or ordinances that such Governmental
                  Entity enforces, (2) threatening to revoke any license,
                  franchise, permit or governmental authorization, or (3)
                  threatening or contemplating revocation or limitation of, or
                  that would have the effect of revoking or limiting, FDIC
                  deposit insurance (nor, to the knowledge of its Executive
                  Officers, do any grounds for any of the foregoing exist); and




                                       14
<PAGE>   23

              (d) are not required to notify any federal banking agency before
                  adding directors to its board of directors or employing senior
                  executives (except notifications required as a result of the
                  Transaction).

        3.2.9 LITIGATION. Except as disclosed in its Financial Statements or in
              Schedule 12, before the date of this Agreement:

              (a) no criminal or administrative investigations or hearings,
                  before or by any Governmental Entity, or civil, criminal or
                  administrative actions, suits, claims or proceedings, before
                  or by any person (including any Governmental Entity) are
                  pending or, to the knowledge of its Executive Officers,
                  threatened, against it or any of its Subsidiaries (including
                  under the Truth in Lending Act, the Equal Credit Opportunity
                  Act, the Fair Housing Act, the Community Reinvestment Act, the
                  Home Mortgage Disclosure Act, or any fair lending law or other
                  law relating to discrimination); and

              (b) neither it nor any of its Subsidiaries (nor any officer,
                  director, controlling person or property of it or any of its
                  Subsidiaries) is a party to or is subject to any order,
                  decree, agreement, memorandum of understanding or similar
                  arrangement with, or a commitment letter or similar submission
                  to, any Governmental Entity charged with the supervision or
                  regulation of depository institutions or engaged in the
                  insurance of deposits (including the FDIC) or the supervision
                  or regulation of it or of its Subsidiaries, and neither it nor
                  any of its Subsidiaries has been advised by any such
                  Governmental Entity that such Governmental Entity is
                  contemplating issuing or requesting (or is considering the
                  appropriateness of issuing or requesting) any such order,
                  decree, agreement, memorandum of understanding, commitment
                  letter or similar submission.

        3.2.10 TAXES. For purposes of this Subsection 3.2.10, "Tax" includes any
              tax or similar governmental charge, impost, or levy (including
              income taxes, franchise taxes, transfer taxes or fees, stamp
              taxes, sales taxes, use taxes, excise taxes, ad valorem taxes,
              withholding taxes, worker's compensation, payroll taxes,
              unemployment insurance, social security, minimum taxes, or
              windfall profits taxes), together with any related liabilities,
              penalties, fines, additions to tax, or interest, imposed by the
              United States or any state, county, provincial, local or foreign
              government or subdivision or agency of the United States.

              (a) All federal, state and local Tax returns, including all
                  information returns, it and its Subsidiaries are required to
                  file have been timely filed or requests for extensions have
                  been timely filed. If any extensions were filed, they have
                  been or will be granted by Closing and will not have expired.
                  All filed returns are complete and accurate in all material
                  respects.

              (b) Except as disclosed in its Financial Statements:

                  (1) all taxes attributable to it or any of its Subsidiaries
                      that are or were due or payable (without regard to whether
                      such taxes have been assessed) have been paid in full or
                      have been adequately provided for in its Financial
                      Statements in accordance with GAAP;

                  (2) adequate provision in accordance with GAAP has been made
                      in its Financial Statements relating to all Taxes for the
                      periods covered by such




                                       15
<PAGE>   24

                      Financial Statements that were not yet due and payable as
                      of the date of this Agreement, regardless of whether the
                      liability for such Taxes is disputed;

                  (3) as of the date of this Agreement and except as disclosed
                      in its Financial Statements, there is no outstanding audit
                      examination, deficiency, refund litigation or outstanding
                      waiver or agreement extending the applicable statute of
                      limitations for the assessment or collection of any Taxes
                      for any period with respect to any Taxes of it or its
                      Subsidiaries;

                  (4) all Taxes with respect to completed and settled
                      examinations or concluded litigation relating to it or any
                      of its Subsidiaries have been paid in full or have been
                      recorded on its Financial Statements (in accordance with
                      GAAP);

                  (5) neither it nor any of its Subsidiaries is a party to a Tax
                      sharing or similar agreement or any agreement under which
                      it or any of its Subsidiaries has indemnified any party
                      (other than it or one of its Subsidiaries) with respect to
                      Taxes; and

                  (6) the proper and accurate amounts have been withheld from
                      all employees (and timely paid to the appropriate
                      Governmental Entity or set aside in an account for these
                      purposes) for all periods through the Effective Date in
                      compliance with all Tax withholding provisions of
                      applicable federal, state, local and foreign laws
                      (including income, social security and employment tax
                      withholding for all types of compensation).

        3.2.11 INSURANCE. It and each of its Subsidiaries has taken all
               requisite action (including the making of claims and the giving
               of notices) under its directors' and officers' liability
               insurance policy or policies in order to preserve all rights
               under such policies with respect to all matters known to it
               (other than matters arising in connection with, and the
               transactions contemplated by, this Agreement). Schedule 13 lists
               all directors' and officers' liability insurance policies and
               other insurance policies maintained by it or its Subsidiaries.

        3.2.12 LABOR MATTERS. Neither it nor any of its Subsidiaries is a party
               to, or is bound by, any collective bargaining agreement, contract
               or other agreement or understanding with any labor union or labor
               organization. Neither it nor any of its Subsidiaries is the
               subject of any proceeding: (1) asserting that it or any of its
               Subsidiaries has committed an unfair labor practice or (2)
               seeking to compel it or any of its Subsidiaries to bargain with
               any labor organization as to wages or conditions of employment.
               No strike involving it or any of its Subsidiaries is pending or,
               to the knowledge of its Executive Officers, threatened. Its
               Executive Officers are not aware of any activity involving its or
               any of its Subsidiaries' employees seeking to certify a
               collective bargaining unit or engaging in any other
               organizational activity.

        3.2.13 EMPLOYEE BENEFITS.

               (a) For purposes of this Agreement "Plan" or "Plans",
                   individually or collectively, means any "employee benefit
                   plan," as defined in Section 3(3) of the Employee




                                       16
<PAGE>   25

                   Retirement Income Security Act of 1974, ("ERISA"), as
                   amended, maintained by HUB or any of its Subsidiaries, as the
                   case may be.

               (b) Schedule 14 sets forth a list, as of the date of this
                   Agreement, of (1) all bonus, deferred compensation, pension,
                   retirement, profit-sharing, thrift, savings, employee stock
                   ownership, stock bonus, stock purchase, restricted stock and
                   stock option plans, (2) all employment or severance contracts
                   and (3) all other employee benefit plans that cover employees
                   or former employees of it and its Subsidiaries (its
                   "Compensation Plans"). True and complete copies of the
                   Compensation Plans (and, as applicable, copies of summary
                   plan descriptions, governmental filings (on Form 5500 series
                   or otherwise), actuarial reports and reports under Financial
                   Accounting Standards Board Statement No. 106 relating to such
                   Compensation Plans) covering current or former employees or
                   directors of it or its Subsidiaries (its "Employees"),
                   including Plans and related amendments, have been made
                   available to the other party to this Agreement.

               (c) All Plans covering Employees (other than "multi-employer
                   plans" within the meaning of ERISA Sections 3(37) or
                   4001(a)(3)), to the extent subject to ERISA, are in
                   substantial compliance with ERISA. Each Plan, that is an
                   "employee pension benefit plan" within the meaning of ERISA
                   Section 3(2) ("Pension Plan") and that is intended to be
                   qualified under IRC Section 401(a), has received a favorable
                   determination letter from the Internal Revenue Service, and
                   it is not aware of any circumstances likely to result in
                   revocation of any such favorable determination letter. No
                   litigation relating to Plans is pending or, to the knowledge
                   of its Executive Officers, threatened. Neither it nor any of
                   its Subsidiaries has engaged in a transaction with respect to
                   any Plan that, assuming the taxable period of such
                   transaction expired as of the date of this Agreement, could
                   subject it or any of its Subsidiaries to a Tax or penalty
                   imposed by either IRC Section 4975 or ERISA Section 502(i).

               (d) No liability under Subtitle C or D of Title IV or ERISA
                   (other than payment of applicable premiums) has been or is
                   expected to be incurred by it or any of its Subsidiaries with
                   respect to any ongoing, frozen or terminated "single-employer
                   plan," within the meaning of ERISA Section 4001(a)(15),
                   currently or formerly maintained by any of them, or the
                   single-employer plan of any entity that is considered one
                   employer with it under ERISA Section 4001 or IRC Section 414
                   (an "ERISA Affiliate"). It and its Subsidiaries and ERISA
                   Affiliates have not incurred and do not expect to incur any
                   withdrawal liability with respect to a multiemployer plan
                   under Subtitle I of Title IV of ERISA (regardless of whether
                   based on contributions of ERISA Affiliates). Neither it, its
                   Subsidiaries nor any of its ERISA Affiliates has been
                   notified by any multiemployer plan to which it or any of its
                   Subsidiaries or ERISA Affiliates is contributing, or may be
                   obligated to contribute, that such multiemployer plan is
                   currently in reorganization or insolvency under and within
                   the meaning of ERISA Sections 4241 or 4245 or that such
                   multiemployer plan intends to terminate or has been
                   terminated under ERISA Section 4041A. No notice of a
                   "reportable event" within the meaning of ERISA Section 4043,
                   for which the 30-day reporting requirement has not been
                   waived, has been required to be filed for any of its Pension
                   Plans or by any of its ERISA Affiliates within the 12-month
                   period ending on the date of this Agreement. Neither it, its
                   Subsidiaries nor any of their respective ERISA




                                       17
<PAGE>   26

                   Affiliates has incurred or is aware of any facts that are
                   reasonably likely to result in any liability under ERISA
                   Sections 4069 or 4204.

               (e) All contributions it or any of its Subsidiaries are or were
                   required to make under the terms of any Plans have been
                   timely made or have been reflected in its Financial
                   Statements. Neither any of its or its Subsidiaries' Pension
                   Plans nor any single-employer plan of any of its ERISA
                   Affiliates has an "accumulated funding deficiency" (whether
                   or not waived) within the meaning of IRC Section 412 or ERISA
                   Section 302. Neither it nor any of its Subsidiaries or its
                   ERISA Affiliates has provided, or is required to provide,
                   security to any Pension Plan or to any single-employer plan
                   of an ERISA Affiliate under IRC Section 401(a)(29), IRC
                   Section 412(f)(3), or ERISA Sections 306, 307 or 4204.

               (f) Under each of its, its Subsidiaries, and its ERISA
                   Affiliates' Pension Plans that is a single-employer plan, as
                   of the last day of the most recent plan year ended before the
                   date of this Agreement, the actuarially determined present
                   value of all "benefit liabilities" within the meaning of
                   ERISA Section 4001(a)(16) (as determined on the basis of the
                   actuarial assumptions contained in the Pension Plan's most
                   recent actuarial valuation), did not exceed the then-current
                   value of the assets of such Pension Plan, and to the
                   knowledge of its Executive Officers, there has been no change
                   in the financial condition of such Pension Plan since the
                   last day of the most recent plan year that reasonably could
                   be expected to change such conclusion. There would be no
                   withdrawal liability of it and its Subsidiaries under each
                   Plan that is a multi-employer plan to which it, its
                   Subsidiaries or its ERISA Affiliates has contributed during
                   the preceding 12 months, if such withdrawal liability were
                   determined as if a "complete withdrawal," within the meaning
                   of ERISA Section 4203, had occurred as of the date of this
                   Agreement.

               (g) Except as disclosed in its Financial Statements, neither it
                   nor its Subsidiaries have any obligations for retiree health
                   and life benefits.

               (h) No restrictions exist on the rights of it or its Subsidiaries
                   to amend or terminate any Plan without incurring liability
                   under the Plan in addition to normal liabilities for
                   benefits.

               (i) Except as disclosed in its Financial Statements or as
                   provided in a Schedule to this Agreement, the transactions
                   contemplated by this Agreement and the Stock Plans will not
                   result in: (1) vesting, acceleration, or increase of any
                   amounts payable under any Compensation Plan, (2) any increase
                   in benefits under any Compensation Plan or (3) payment of any
                   severance or similar compensation under any Compensation
                   Plan.

        3.2.14 ENVIRONMENTAL MATTERS.

               (a) For purposes of this Subsection 3.2.14, the following
                   definitions apply:

                   (1) "Subject Property" with respect to a party means (i) all
                       real property at which the businesses of it or its
                       Subsidiaries have been conducted, all property in which
                       it or its Subsidiaries holds a security or other interest
                       (including a fiduciary interest), and any property where
                       under any Environmental Law it or any of its Subsidiaries
                       is deemed to be the owner




                                       18
<PAGE>   27

                       or operator of the property; (ii) any facility in which
                       it or its Subsidiaries participates in the management,
                       including participating in the management of the owner or
                       operator of the property; and (iii) all other real
                       property that, for purposes of any Environmental Law, it
                       or any of its Subsidiaries otherwise could be deemed to
                       be an owner or operator of or as otherwise having control
                       over.

                   (2) "Environmental Laws" means any federal, state, local or
                       foreign law, regulation, agency policy, order, decree,
                       judgment, judicial opinion, or any agreement with any
                       Governmental Entity, presently in effect or subsequently
                       adopted relating to: (i) the manufacture, generation,
                       transport, use, treatment, storage, recycling, disposal,
                       release, threatened release or presence of Hazardous
                       Substances, or (ii) the preservation, restoration or
                       protection of the environment, natural resources or human
                       health.

                   (3) "Hazardous Substances" means any hazardous or toxic
                       substance, material or waste that is regulated by any
                       local governmental authority, any state government or the
                       United States Government, including any material or
                       substance that is (a) defined as a "hazardous substance"
                       in 42 USC Section 9601(14), (b) defined as a "pollutant
                       or contaminant" in 42 USC Section 9604(a)(2), or (c)
                       defined as a "hazardous waste" in 42 USC Section 6903(5).

               (b) To the knowledge of its Executive Officers, it and each of
                   its Subsidiaries and the Subject Property are, and have been,
                   in compliance with all applicable Environmental Laws, and no
                   circumstances exist that with the passage of time or the
                   giving of notice would be reasonably likely to result in
                   noncompliance with any Environmental Laws.

               (c) To the knowledge of its Executive Officers, none of the
                   following, and no reasonable basis for any of the following,
                   exists: pending or threatened claims, actions,
                   investigations, notices of non-compliance, information
                   requests or notices of potential responsibility or
                   proceedings involving it or any of its Subsidiaries or any
                   Subject Property, relating to:

                   (1) an asserted liability of it or any of its Subsidiaries or
                       any prior owner, occupier or user of Subject Property
                       under any applicable Environmental Law or the terms and
                       conditions of any permit, license, authority, settlement,
                       agreement, decree or other obligation arising under any
                       applicable Environmental Law;

                   (2) the handling, storage, use, transportation, removal or
                       disposal of Hazardous Substances;

                   (3) the actual or threatened discharge, release or emission
                       of Hazardous Substances from, on or under or within
                       Subject Property into the air, water, surface water,
                       ground water, land surface or subsurface strata; or

                   (4) personal injuries or damage to property related to or
                       arising out of exposure to Hazardous Substances.




                                       19
<PAGE>   28

               (d) To the knowledge of its Executive Officers: no storage tanks
                   underground or otherwise are present on the Subject Property
                   or, if present, none of such tanks are leaking and each of
                   them is in full compliance with all applicable Environmental
                   Laws. With respect to any Subject Property, it and its
                   Subsidiaries do not own, possess or control any PCBs,
                   PCB-contaminated fluids, wastes or equipment, or any asbestos
                   or asbestos-containing material. No Hazardous Substances have
                   been used, handled, stored, discharged, released or emitted,
                   or are threatened to be discharged, released or emitted, at
                   or on any Subject Property, except for those types and
                   quantities of Hazardous Substances typically used in an
                   office environment and that have not created conditions
                   requiring remediation under any applicable Environmental Law.

               (e) To the knowledge of its Executive Officers and except for the
                   investigation or monitoring by the Environmental Protection
                   Agency or similar state agencies in the ordinary course, no
                   part of the Subject Property has been or is scheduled for
                   investigation or monitoring under any applicable
                   Environmental Law.

3.3     EXCEPTIONS TO REPRESENTATIONS.

        3.3.1 DISCLOSURE OF EXCEPTIONS. Each exception set forth in a Schedule
              is disclosed only for purposes of the representations referenced
              in that exception; but the following conditions apply:

              (a) no exception is required to be set forth in a Schedule if its
                  absence would not result in the related representation being
                  found untrue or incorrect under the standard established by
                  Subsection 3.3.2; and

              (b) the mere inclusion of an exception in a Schedule is not an
                  admission by a party that the exception represents a material
                  fact, material set of facts, or material event or would result
                  in a Material Adverse Effect with respect to that party.

        3.3.2 NATURE OF EXCEPTIONS. No representation contained in Subsection
              3.1 or 3.2 will be found untrue or incorrect and no party to this
              Agreement will have breached a representation due to the
              following: the existence of any fact, set of facts, or event, if
              the fact or event individually or taken together with other facts
              or events would not, or, in the case of Subsection 3.2.9, is not
              reasonably likely to, have a Material Adverse Effect with respect
              to such party.

                                    SECTION 4
                            CONDUCT AND TRANSACTIONS
                                 BEFORE CLOSING

4.1     CONDUCT OF HUB'S BUSINESS BEFORE CLOSING. Before Closing, HUB promises
        as follows:

        4.1.1 AVAILABILITY OF HUB'S BOOKS, RECORDS AND PROPERTIES.

              (a) Except as prohibited by applicable law HUB will make its, and
                  cause its Subsidiaries to make their, books, records,
                  properties, contracts and documents available at all
                  reasonable times to Glacier and its counsel, accountants and
                  other representatives. These items will be open for
                  inspection, audit and direct verification of: (1) loan or
                  deposit balances, (2) collateral receipts and (3) any other
                  transactions or documentation Glacier may find reasonably
                  relevant to the




                                       20
<PAGE>   29

                  Transaction. HUB will, and will cause its Subsidiaries to,
                  cooperate fully in any such inspection, audit, or direct
                  verification procedures, and HUB will, and will cause its
                  Subsidiaries to, make available all information reasonably
                  required by or on behalf of Glacier.

              (b) At Glacier's request, HUB will request any third parties
                  involved in the preparation or review of the HUB Financial
                  Statements or Subsequent HUB Financial Statements to disclose
                  to Glacier the work papers or any similar materials related to
                  these financial statements.

        4.1.2 ORDINARY AND USUAL COURSE. HUB will, and will cause its
              Subsidiaries to, conduct business only in the ordinary and usual
              course and, without the prior written consent of Glacier, will
              not, and will not allow its Subsidiaries to, do any of the
              following:

              (a) effect any stock split or other recapitalization with respect
                  to HUB Common Stock or the capital stock of a HUB Subsidiary,
                  or issue, pledge, redeem, or encumber in any way any shares of
                  HUB's or a HUB Subsidiary's capital stock; or grant any option
                  or other right to shares of HUB's or a HUB Subsidiary's
                  capital stock;

              (b) declare or pay any dividend, or make any other distribution,
                  either directly or indirectly, with respect to HUB Common
                  Stock or the capital stock of any HUB Subsidiary, except (1)
                  dividends from the Bank to HUB to support the operations of
                  HUB which are consistent with past practices or required to
                  pay Transaction Fees, and (2) HUB's regular quarterly
                  dividends to its shareholders consistent with past practices
                  and not in an amount exceeding $6 per HUB Common Stock share;

              (c) acquire, sell, transfer, assign, encumber or otherwise dispose
                  of assets or make any commitment with respect to its assets
                  other than in the ordinary and usual course of business;

              (d) solicit or accept deposit accounts of a different type from
                  accounts previously accepted by it or at rates materially in
                  excess of rates previously paid by it, except to reflect
                  changes in prevailing interest rates, or incur any
                  indebtedness greater than $25,000 (except for borrowings from
                  the Federal Home Loan Bank in the ordinary course of business
                  and consistent with past practices);

              (e) acquire an ownership interest or a leasehold interest in any
                  Property or any other real property, whether by foreclosure or
                  otherwise, without: (1) making an appropriate environmental
                  evaluation in advance of obtaining the interest and providing
                  the evaluation to Glacier and (2) providing Glacier with at
                  least 30 days' advance written notice before it acquires the
                  interest;

              (f) enter into or recommend the adoption by HUB's stockholders of
                  any agreement involving a possible merger or other business
                  combination or asset sale by HUB not involving the
                  Transaction;

              (g) enter into, renew, or terminate any contracts (including real
                  property leases and data or item processing agreements) with
                  or for a term of one-year or more, except for the Bank's
                  contracts of deposit and agreements to lend money not
                  otherwise restricted under this Agreement and (1) entered
                  into in the ordinary



                                       21
<PAGE>   30

                  course of business, (2) consistent with past practices, and
                  (3) providing for not less (in the case of loans) or more (in
                  the case of deposits) than prevailing market rates of
                  interest;

              (h) enter into or amend any contract (other than contracts for
                  deposits at the Bank or agreements to lend money not otherwise
                  restricted by this Agreement) calling for a payment by it of
                  more than $25,000, unless the contract may be terminated
                  without cause or penalty upon 30 days notice or less;

              (i) enter into any personal services contract with any person or
                  firm, except contracts, agreements, or arrangements for legal,
                  accounting, investment advisory, or tax services entered into
                  directly to facilitate the Transaction;

              (j) (1) sell any securities, whether held for investment or sale,
                  other than in the ordinary course of business or sell any
                  securities, whether held for investment or sale, even in the
                  ordinary course of business, if the aggregate gain realized
                  from all sales after the date of this Agreement would be more
                  than $50,000 or (2) transfer any investment securities between
                  portfolios of securities available for sale and portfolios of
                  securities to be held to maturity;

              (k) amend its articles of incorporation, bylaws, or other
                  formation agreements, or convert its charter or form of
                  entity;

              (l) implement or adopt any material changes in its operations,
                  policies, or procedures, including loan loss reserve policies,
                  unless the changes are requested by Glacier or are necessary
                  or advisable, on the advice of legal counsel, to comply with
                  applicable laws, regulations, or regulatory policies;

              (m) implement or adopt any change in its accounting principles,
                  practices or methods, other than as may be required (1) by
                  GAAP, (2) for tax purposes, or (3) to take advantage of any
                  beneficial tax or accounting methods;

              (n) increase the combined number of full-time or equivalent
                  employees of HUB and its Subsidiaries above 47;

              (o) other than in accordance with binding commitments existing on
                  the date of this Agreement, make any capital expenditures in
                  excess of $10,000 per project or related series of projects or
                  $50,000 in the aggregate, except for the Transaction Fees; or

              (p) enter into any other transaction or make any expenditure other
                  than in the ordinary and usual course of its business and made
                  or entered into in a manner consistent with its
                  well-established practices or as required by this Agreement.

        4.1.3 CONDUCT REGARDING REPRESENTATIONS. HUB will not do or cause to be
              done anything that would cause any representation in Subsection
              3.1 or 3.2 to be inaccurate if made at Closing, except as
              otherwise required by this Agreement or consented to in writing by
              Glacier.




                                       22
<PAGE>   31

        4.1.4 MAINTENANCE OF PROPERTIES. HUB will, and will cause the Bank to,
              maintain its properties and equipment (and related insurance or
              its equivalent) in accordance with good business practice.

        4.1.5 PRESERVATION OF BUSINESS ORGANIZATION. HUB will, and will cause
              the Bank to, use all reasonable efforts to:

              (a) preserve its business organization;

              (b) retain the services of present management; and

              (c) preserve the goodwill of suppliers, customers, and others with
                  whom it has business relationships.

        4.1.6 SENIOR MANAGEMENT. HUB will, and will require the Bank to, obtain
              Glacier's approval before making any change, including hiring of
              replacements, with respect to present management personnel having
              the rank of vice-president or higher.

        4.1.7 COMPENSATION AND EMPLOYMENT AGREEMENTS. HUB will not, and will not
              allow the Bank to, permit any increase in the current or deferred
              compensation payable or to become payable by HUB to any of its
              directors, officers, employees, agents, or consultants other than
              normal increments in compensation in accordance with HUB's past
              practices with respect to the timing and amounts of such
              increments. Without the prior written approval of Glacier, HUB
              will not, and will not allow the Bank to, commit to, execute or
              deliver any employment agreement with any party not terminable
              upon two weeks' notice (or 30 days' notice, if such minimum notice
              is required under Montana law) and without expense.

        4.1.8 UPDATE OF FINANCIAL STATEMENTS. HUB will promptly deliver its
              Financial Statements to Glacier. HUB will deliver Subsequent HUB
              Financial Statements to Glacier by the earlier of: (1) 5 days
              after HUB or the Bank has prepared and issued them or (2) 60 days
              after year-end for year-end statements (except that audited
              Financial Statements to be included in the Registration Statement
              will be delivered to Glacier no later than ten days before Glacier
              files the Registration Statement with the SEC) and 30 days after
              the end of the quarter for quarterly statements. The Subsequent
              HUB Financial Statements:

              (a) will be prepared from the books and records of HUB and the
                  Bank;

              (b) will present fairly the financial position and operating
                  results of HUB and the Bank at the times indicated and for the
                  periods covered;

              (c) will be prepared in accordance with GAAP (except for the
                  absence of notes) and with the regulations promulgated by
                  applicable regulatory authorities, to the extent then
                  applicable, subject to normal year-end adjustments; and

              (d) will reflect all HUB's and the Bank's liabilities, contingent
                  or otherwise, on the respective dates and for the respective
                  periods covered, except for liabilities: (1) not required to
                  be so reflected in accordance with GAAP or (2) not significant
                  in amount.




                                       23
<PAGE>   32

        4.1.9  NO SOLICITATION. Neither HUB nor any of its officers or
               directors, directly or indirectly, will solicit, encourage,
               entertain, or facilitate any other proposals or inquiries for an
               acquisition of the shares or assets of HUB or its Subsidiaries or
               enter into discussions concerning any such acquisition, except as
               otherwise required to comply with the fiduciary responsibilities
               of HUB's board of directors. No such party will make available to
               any person not affiliated with HUB or Glacier any information
               about its business or organization that is not either routinely
               made available to the public generally or required by law.

        4.1.10 TITLE POLICIES. At Glacier's request, HUB will provide Glacier
               with title reports issued by a title insurance company reasonably
               satisfactory to Glacier. These title reports must show marketable
               fee simple title or vendee's interest to all real Property owned
               by HUB or any of its Subsidiaries and marketable leasehold
               interests in all real Property leased by HUB or any of its
               Subsidiaries, and these title reports may contain only such
               exceptions, reservations, and encumbrances as may be consented to
               in writing by Glacier, which consent Glacier may not unreasonably
               withhold. At Closing, HUB will provide Glacier with update
               endorsements, dated as of the Effective Date, to the title
               policies for each Property owned by it or any of its
               Subsidiaries. For purposes of this Agreement, "Property" includes
               any property that HUB or any of its Subsidiaries owns or leases,
               other than other real estate owned. Expenses incurred by HUB
               under this Subsection 4.1.10 will not be deemed Transaction Fees.

        4.1.11 REVIEW OF LOANS. HUB will, and will cause the Bank to, permit
               Glacier to conduct an examination of the Bank's loans to
               determine credit quality and the adequacy of the Bank's allowance
               for loan losses. Glacier will have continued access to the Bank's
               loans through Closing to update the examination. At Glacier's
               reasonable request, HUB and the Bank will provide Glacier with
               current reports updating the information set forth in Schedule 7.

4.2     REGISTRATION STATEMENT.

        4.2.1 PREPARATION OF REGISTRATION STATEMENT.

              (a) A Registration Statement ("Registration Statement") will be
                  filed by Glacier with the SEC under the Securities Act for
                  registration of the Glacier Shares; and the parties will
                  prepare a related prospectus/proxy statement
                  ("Prospectus/Proxy Statement") to be mailed together with any
                  amendments and supplements to HUB's stockholders.

              (b) The parties will cooperate with each other in preparing the
                  Registration Statement and Prospectus/Proxy Statement, and
                  will use their best efforts to: (1) file the Registration
                  Statement with the SEC within 60 days following the date on
                  which this Agreement is executed, and (2) obtain the clearance
                  of the SEC, any appropriate state securities regulators and
                  any other required regulatory approvals, to issue the
                  Prospectus/Proxy Statement.

              (c) Nothing will be included in the Registration Statement or the
                  Prospectus/Proxy Statement or any proxy solicitation materials
                  with respect to any party to this Agreement unless approved by
                  that party, which approval will not be unreasonably withheld.




                                       24
<PAGE>   33

              (d) Glacier will pay all costs associated with the preparation by
                  Glacier's counsel and filing of the Registration Statement.
                  HUB will pay all costs associated with (1) preparation of
                  financial statements or other sections of the Registration
                  Statement and the Prospectus/Proxy Statement by its employees,
                  accountants, financial advisors, or agents, and (2) review by
                  HUB's counsel of the Registration Statement and the
                  Prospectus/Proxy Statement. HUB will pay the costs associated
                  with the printing and mailing of the Prospectus/Proxy
                  Statement to its stockholders and any other direct costs
                  incurred by it in connection with the Prospectus/Proxy
                  Statement.

        4.2.2 SUBMISSION TO STOCKHOLDERS.

              (a) Glacier and HUB will submit the Prospectus/Proxy Statement to,
                  and will use their best efforts in good faith to obtain the
                  prompt approval of the Prospectus/Proxy Statement by, all
                  applicable regulatory authorities. The parties will provide
                  each other with copies of such submissions for review.

              (b) HUB will promptly take the actions necessary in accordance
                  with applicable law and its Articles of Incorporation and
                  Bylaws to convene a stockholders' meeting to consider the
                  approval of this Agreement and to authorize the transactions
                  contemplated by this Agreement. This stockholders' meeting
                  will be held on the earliest practical date after the date the
                  Prospectus/Proxy Statement may first be sent to HUB's
                  stockholders without objection by applicable governmental
                  authorities; but HUB will have at least 30 calendar days to
                  solicit proxies. HUB's board of directors and officers will
                  recommend approval of the Transaction to HUB's stockholders.

4.3     ACCOUNTING TREATMENT.

        4.3.1 POOLING OF INTERESTS. The parties intend the Merger to be treated
              as a "pooling of interests" for accounting purposes. From the date
              of this Agreement through the Effective Date, neither Glacier nor
              HUB nor any of their respective Subsidiaries or other affiliates
              (a) will knowingly take any action or enter into any contract,
              agreement, commitment or arrangement that would jeopardize the
              treatment of the Merger as a "pooling of interests;" or (b) will
              knowingly fail to take any action that would preserve the
              treatment of the Merger as a "pooling of interests." No action or
              omission by either party will constitute a breach of this
              Subsection 4.3.1 if the action is permitted or required under this
              Agreement or is made with the other party's written consent.

        4.3.2 AFFILIATE LIST. Certain persons may be deemed "affiliates" of HUB
              under Securities Act Rule 145, the SEC's Accounting Series
              Releases ("ASR") 130 and 135, or other rules and releases related
              to "pooling of interests" accounting treatment. Within thirty days
              following the date this Agreement is signed, HUB will deliver to
              Glacier, after consultation with legal counsel, a list of names
              and addresses of HUB's "affiliates" with respect to the
              Transaction within the meaning of Rule 145 or ASR 130 and 135. By
              the Effective Date, HUB will deliver, or cause to be delivered, to
              Glacier a letter from each of these "affiliates," and any
              additional person who becomes an "affiliate" before the Effective
              Date and after the date of the list, dated as of the date of its
              delivery and in the form attached as Exhibit A.

        4.3.3 RESTRICTIVE LEGEND. Glacier may place a restrictive legend on all
              Glacier shares to be received by an "affiliate," so as to preclude
              their transfer or disposition in violation of the




                                       25
<PAGE>   34

              affiliate letters. Glacier may also instruct its transfer agent
              not to permit the transfer of those shares and may take any other
              steps reasonably necessary to ensure compliance with the
              Securities Act Rule 145 or the SEC's ASR 130 and 135 or other
              rules and releases related to "pooling of interests" accounting
              treatment.

              4.3.4 RETENTION OF CERTIFICATES. Except as otherwise permitted in
                    Exhibit A, by a date at least 30 days before the Effective
                    Date, all stock certificates evidencing ownership of HUB
                    Common Stock by "affiliates" will be delivered to HUB. HUB
                    (before the Effective Date) and Glacier (after the Effective
                    Date) will retain those certificates, and subsequently the
                    certificates representing Glacier shares for which they are
                    exchanged, until financial results covering at least 30 days
                    of combined operations of the Continuing Corporation have
                    been published, at which time the certificates will be
                    released.

        4.4   SUBMISSION TO REGULATORY AUTHORITIES. Representatives of Glacier,
              at Glacier's expense, will prepare and file with applicable
              regulatory agencies, applications for approvals, waivers or other
              actions their counsel finds necessary or desirable in order to
              consummate the Transaction. Glacier will provide copies of these
              applications for HUB's review. These applications and filings are
              expected to include:

              (a) an application to the Federal Reserve; and

              (b) any filings required under the MBCA or the Montana Bank Act;

        4.5   ANNOUNCEMENTS. The parties will cooperate and consult with each
              other in the development and distribution of all news releases and
              other public information disclosures with respect to this
              Agreement or the Transaction, unless otherwise required by law.

        4.6   CONSENTS. Glacier and HUB will use their best efforts to obtain
              the consent or approval of any person, organization or other
              entity whose consent or approval is required in order to
              consummate the Transaction.

        4.7   FURTHER ACTIONS. Glacier and HUB, respectively, in the name and on
              behalf of those respective parties, will use their best efforts in
              good faith to make all arrangements, do or cause to be done all
              acts and things, and execute and deliver all certificates and
              other instruments and documents reasonably necessary or
              appropriate in order to consummate the Transaction as promptly as
              practicable.

        4.8   NOTICE. HUB will provide Glacier with prompt written notice of the
              following:

              (a) any events, individually or in the aggregate, that could have
                  a Material Adverse Effect with respect to HUB or the Bank;

              (b) the commencement of any proceeding against HUB, the Bank, or
                  any of their Subsidiaries or affiliates, by or before any
                  court or governmental agency that, individually or in the
                  aggregate, might have a Material Adverse Effect with respect
                  to HUB or the Bank; or

              (c) any acquisition of an ownership or leasehold interest in real
                  property, other than an acquisition in good faith of real
                  property to satisfy a debt previously contracted for.

        4.9   CONFIDENTIALITY. Glacier and HUB each will, and HUB will cause the
              Bank to, hold in confidence all nonpublic information obtained
              from the other in connection with the Transaction,




                                       26
<PAGE>   35
        other than information that: (1) is required by law to be disclosed; (2)
        is otherwise available on a nonconfidential basis; (3) has become public
        without fault of the disclosing party; or (4) is necessary to the
        defense of one of the parties in a legal or administrative action
        brought against that party by the other party. If the Transaction is not
        completed, Glacier and HUB will, and HUB will cause the Bank to: (1)
        each return to the others all confidential documents obtained from them
        and (2) not use any nonpublic information obtained under this Agreement
        or in connection with the Transaction.

4.10    UPDATE OF FINANCIAL STATEMENTS. Glacier will promptly deliver its
        Financial Statements to HUB. Glacier will deliver Subsequent Glacier
        Financial Statements to HUB by the earlier of: (1) 5 days after Glacier
        prepares and issues them or (2) 60 days after year-end for year-end
        statements and 30 days after the end of the quarter for quarterly
        statements. The Subsequent Glacier Financial Statements will:

        (a) be prepared from the books and records of Glacier;

        (b) present fairly the financial position and operating results of
            Glacier at the times indicated and for the periods covered;

        (c) be prepared in accordance with GAAP (except for the absence of
            notes) and with the regulations promulgated by applicable regulatory
            authorities, to the extent then applicable, subject to normal
            year-end adjustments; and

        (d) reflect all liabilities, contingent or otherwise, of Glacier on the
            respective dates and for the respective periods covered, except for
            liabilities not required to be so reflected in accordance with GAAP
            or not significant in amount.

4.11    AVAILABILITY OF GLACIER'S BOOKS, RECORDS AND PROPERTIES. Glacier will
        make available to HUB true and correct copies of its Certificate of
        Incorporation and Bylaws. At HUB's reasonable request, Glacier will also
        provide HUB with copies of: (1) reports filed with the SEC or banking
        regulators and (2) the Glacier Stock Plans.

                                    SECTION 5
                            APPROVALS AND CONDITIONS

5.1     REQUIRED APPROVALS. The obligations of the parties to this Agreement are
        subject to the approval of the Agreement and the Transaction by all
        appropriate regulatory agencies having jurisdiction with respect to the
        Transaction.

5.2     CONDITIONS TO GLACIER'S OBLIGATIONS. All Glacier's obligations under
        this Agreement are subject to satisfaction of the following conditions
        at or before Closing:

        5.2.1 REPRESENTATIONS. HUB's representations in this Agreement and in
              any certificate or other instrument delivered in connection with
              this Agreement are true and correct in all material respects at
              Closing (except to the extent that they expressly relate to an
              earlier date, in which case they are true in all material respects
              as of that earlier date). These representations have the same
              force and effect as if they had been made at Closing. HUB has
              delivered to Glacier its certificate, executed by a duly
              authorized officer of HUB and dated as of Closing, stating that
              these representations comply with this Subsection 5.2.1.




                                       27
<PAGE>   36

        5.2.2 COMPLIANCE. HUB has performed and complied with all material
              terms, covenants and conditions of this Agreement. HUB has
              delivered to Glacier its certificate, executed by a duly
              authorized officer of HUB and dated as of Closing, stating that
              HUB is in compliance with this Subsection 5.2.2.

        5.2.3 EQUITY CAPITAL REQUIREMENT. The Tangible Equity Capital,
              determined in accordance with GAAP, of HUB and the Bank on a
              consolidated basis as of the Effective Date is at least $5.9
              million. HUB's certificate referred to in Subsection 5.2.2 must
              confirm that this condition is satisfied. Tangible Equity Capital
              means common stock, paid in capital, retained earnings, plus (or
              minus) net unrealized gain (or loss) on available for sale
              securities and minus goodwill and any other intangible assets.

        5.2.4 TRANSACTION FEES STATEMENTS. HUB has delivered to Glacier a
              statement, in a form reasonably satisfactory to Glacier, from each
              third party to whom HUB has paid or owes Transaction Fees. Each
              statement must set forth the total costs and expenses paid or
              owing to the third party in connection with the Transaction's
              consummation. HUB has delivered to Glacier its certificate,
              executed by a duly authorized officer of HUB and dated as of
              Closing, stating the total Transaction Fees incurred by HUB and
              certifying that HUB is in compliance with Subsection 1.3.3 and
              this Subsection 5.2.4.

        5.2.5 AUDIT REPORT. HUB has delivered (no later than ten days before
              Glacier filed the Registration Statement with the SEC) to Glacier
              the completed and certified audit report of KPMG Peat Marwick LLP
              , its independent certified public accountants, with respect to
              HUB's audited consolidated statements of financial condition as of
              December 31, 1997, and the related audited statements of income,
              cashflows and changes in stockholders' equity for the year ended
              December 31, 1997.

        5.2.6 PLAN OF EXCHANGE EXECUTED. The Bank and HUB have used all
              reasonable efforts to carry out the Plan of Exchange, unless
              Glacier has determined that the Plan of Exchange would jeopardize
              the Merger's treatment as a pooling of interests for accounting
              purposes.

        5.2.7 NO MATERIAL ADVERSE EFFECT. No damage, destruction, or loss
              (whether or not covered by insurance) or other event or sequence
              of events has occurred which, individually or in the aggregate,
              has had or potentially may have a Material Adverse Effect with
              respect to HUB or the Bank. HUB's certificate referred to in
              Subsection 5.2.2 states that the conditions identified in this
              Subsection 5.2.7 are satisfied.

        5.2.8 FINANCIAL CONDITION. The following are true, and HUB's certificate
              referred to in Subsection 5.2.2 confirms the truth of the
              following:

              (a) HUB's consolidated allowance for possible loan and lease
                  losses at Closing was and is adequate to absorb the
                  anticipated loan and lease losses (taking into account any
                  recommendations made by HUB's certified public accountants);

              (b) the reserves set aside for the contingent liabilities
                  reflected in the Subsequent HUB Financial Statements are
                  adequate to absorb all reasonably anticipated losses;

              (c) the Bank's deposits at Closing, excluding brokered deposits
                  and jumbo certificates of deposit, total at least $45 million;
                  and




                                       28
<PAGE>   37

              (d) HUB has provided Glacier with the audited HUB Financial
                  Statements required by this Agreement, and the audit has
                  revealed no required adjustment to previously unaudited HUB
                  Financial Statements that would have a Material Adverse Effect
                  upon HUB or the Bank.

        5.2.9  NO CHANGE IN LOAN REVIEW. HUB has provided to Glacier the reports
               reasonably requested by Glacier under Subsection 4.1.11, and
               neither these reports nor any examinations conducted by Glacier
               under Subsection 4.1.11 reveal a material adverse change in
               either: (1) the information set forth in Schedule 7 or (2)
               information revealed during Glacier's previous examinations of
               the Bank's loans.

        5.2.10 NO GOVERNMENTAL PROCEEDINGS. No action or proceeding has been
               commenced or threatened by any governmental agency to restrain or
               prohibit or invalidate the Transaction.

        5.2.11 APPROVAL BY COUNSEL. All actions, proceedings, instruments, and
               documents required in connection with this Agreement, the
               Transaction, and all other related legal matters have been
               approved by Glacier's counsel.

        5.2.12 RECEIPT OF TITLE POLICY. Glacier has received all title insurance
               reports requested under Subsection 4.1.10, and HUB has delivered
               to Glacier the update endorsements required by Subsection 4.1.10.

        5.2.13 CORPORATE AND STOCKHOLDER ACTION. HUB's board of directors and
               HUB's stockholders have each approved the Transaction.

        5.2.14 TAX OPINION. Glacier has, at Glacier's expense, obtained from
               Graham & Dunn, P.C. and delivered to HUB, an opinion addressed to
               HUB and in form and substance reasonably satisfactory to HUB and
               its counsel, to the effect that consummation of the Transaction
               will not result in a taxable event for HUB or Glacier, and
               otherwise will have each of the effects specified below:

               (a) The Transaction will qualify as a reorganization within the
                   meaning of IRC Section 368(a)(1)(A).

               (b) Under IRC Section 354(a)(i), HUB's stockholders who, in
                   accordance with Section 1, exchange their HUB Common Stock
                   shares solely for Continuing Corporation Common Stock shares
                   will not recognize gain or loss on the exchange.

               (c) Cash payments to HUB's stockholders in lieu of a fractional
                   share of Continuing Corporation Common Stock will be treated
                   as distributions in redemption of the fractional share
                   interest, subject to the limitations of IRC Section 302.

        5.2.15 OPINION OF COUNSEL. HUB has obtained from Holland & Hart LLP,
               subject to customary qualifications and assumptions, and
               delivered to Glacier an opinion of counsel, addressed to Glacier,
               to the effect that:

               (a) HUB is a corporation validly existing and in good standing
                   under Montana law;




                                       29
<PAGE>   38

               (b) the Bank is a Montana state-chartered commercial bank validly
                   existing and in good standing under Montana law;

               (c) HUB has the corporate power and authority to execute,
                   deliver, and perform this Agreement;

               (d) the execution, delivery, and performance of this Agreement
                   have been duly authorized by all necessary corporate action
                   on the part of HUB, and this Agreement constitutes HUB's
                   legal, binding, and valid obligation, enforceable in
                   accordance with its terms, except to the extent that
                   enforcement (but not validity) may be limited by bankruptcy,
                   insolvency, fraudulent conveyances reorganization,
                   moratorium, or similar laws generally affecting the
                   enforcement of the rights of creditors and by generally
                   applicable principles of equity;

               (e) all issued and outstanding shares of HUB's and the Bank's
                   capital stock have been duly authorized and are validly
                   issued, fully paid, non-assessable (except as to assessments
                   required under the Montana Bank Act), free of preemptive or
                   similar rights arising by operation of law, under applicable
                   corporate statutes or under HUB's or the Bank's bylaws or
                   articles of incorporation, and have been issued in compliance
                   with all applicable federal and applicable state securities
                   laws;

               (f) Neither HUB nor the Bank have any written stock option or
                   other plans or agreements granting options or other rights to
                   acquire HUB Common Stock or Bank Common Stock, and to
                   counsel's knowledge, no options or other rights to acquire
                   HUB Common Stock or Bank Common Stock are outstanding;

               (g) counsel has no knowledge of any pending or threatened claims,
                   actions, suits or legal or equitable proceedings before any
                   governmental agency which, in counsel's opinion would be,
                   individually or in the aggregate, reasonably likely to result
                   in liability in excess of $25,000 or prevent consummation of
                   the Transaction; and

               (h) execution of this Agreement and consummation of the
                   Transaction will not violate (1) any applicable statutes or
                   regulations, (2) HUB's or the Bank's articles of
                   incorporation or bylaws, or (3) the terms of any material
                   contract or other obligation entered into before the date of
                   this opinion by HUB or the Bank.

        5.2.16 CASH PAID. The aggregate of the cash paid for fractional shares
               and Dissenting Shares to holders of HUB Common Stock under this
               Agreement and applicable law will not exceed 10% of the Purchase
               Price, as it may be adjusted under this Agreement.

        5.2.17 AFFILIATE LETTERS. Glacier has received the affiliate list and
               letters specified in Subsection 4.3.2.

        5.2.18 REGISTRATION STATEMENT. The Registration Statement, as it may
               have been amended, required in connection with the Glacier shares
               to be issued to stockholders under Subsection 1.3, and as
               described in Subsection 4.2, has become effective, and no stop
               order suspending the effectiveness of the Registration Statement
               has been issued or remains in effect, and no proceedings for that
               purpose have been initiated or threatened by the SEC the basis
               for which still exists.




                                       30
<PAGE>   39

        5.2.19 CONSENTS. HUB has obtained the consents as indicated in Schedule
               6.

        5.2.20 FAIRNESS OPINIONS. HUB has received from Columbia, two updated
               fairness opinions (to be delivered by HUB to Glacier at HUB's
               expense), one dated immediately before HUB mails the
               Prospectus/Proxy Statement to its stockholders and the other
               dated immediately before Closing, to the effect that the
               financial terms of the Transaction are financially fair to HUB's
               stockholders. Glacier and HUB will each provide the other's
               investment advisor with any information reasonably requested for
               the purpose of issuing a fairness opinion.

        5.2.21 ACCOUNTING TREATMENT. It has been determined to Glacier's
               satisfaction that the Transaction will be treated for accounting
               purposes as a "pooling of interests" in accordance with APB
               Opinion No. 16, and Glacier has received a letter to this effect
               from KPMG Peat Marwick LLP, certified public accountants.

        5.2.22 SOLICITATION OF EMPLOYEES. Neither any member of HUB's board of
               directors nor any entity with which any such director is
               affiliated has solicited any employee of HUB or Glacier with the
               intention of causing the employee to terminate her employment
               with HUB or Glacier, as the case may be.

        5.2.23 OTHER MATTERS. Glacier has received any other opinions,
               certificates, and documents that Glacier reasonably requests in
               connection with this Agreement and the Transaction.

5.3     CONDITIONS TO HUB'S OBLIGATIONS. All HUB's obligations under this
        Agreement are subject to satisfaction of the following conditions at or
        before Closing:

        5.3.1  REPRESENTATIONS. Glacier's representations in this Agreement and
               in any certificate or other instrument delivered in connection
               with this Agreement are true and correct in all material respects
               at Closing (except to the extent that they expressly relate to an
               earlier date, in which case they are true in all material
               respects as of that earlier date). These representations have the
               same force and effect as if they had been made at Closing.
               Glacier has delivered to HUB its certificate, executed by a duly
               authorized officer of Glacier and dated as of Closing, stating
               that these representations comply with this Subsection 5.3.1.

        5.3.2  COMPLIANCE. Glacier has performed and complied with all terms,
               covenants and conditions of this Agreement. Glacier has delivered
               to HUB its certificate, executed by a duly authorized officer of
               Glacier and dated as of Closing, stating that Glacier is in
               compliance with this Subsection 5.3.2.

        5.3.3  NO MATERIAL ADVERSE EFFECT. No damage, destruction, or loss
               (whether or not covered by insurance) or other event or sequence
               of events has occurred which, individually or in the aggregate,
               has had or potentially may have a Material Adverse Effect with
               respect to Glacier. Glacier's certificate referred to in
               Subsection 5.3.2 states that the conditions identified in this
               Subsection 5.3.3 are satisfied.

        5.3.4  NO GOVERNMENTAL PROCEEDINGS. No action or proceeding has been
               commenced or threatened by any governmental agency to restrain or
               prohibit or invalidate the Transaction.




                                       31
<PAGE>   40

        5.3.5 CORPORATE AND STOCKHOLDER ACTION. Glacier's board of directors and
              HUB's stockholders have each approved the Transaction.

        5.3.6 TAX OPINION. The tax opinion specified in Subsection 5.2.14 has
              been delivered to HUB.

        5.3.7 OPINION OF COUNSEL. Glacier has obtained from Graham & Dunn, P.C.,
              subject to customary qualifications and assumptions, and delivered
              to HUB an opinion, addressed to HUB, to the effect that:

              (a) Glacier is a corporation validly existing and in good standing
                  under Delaware law;

              (b) Glacier has the corporate power and authority to execute,
                  deliver, and perform this Agreement;

              (c) the execution, delivery, and performance of this Agreement
                  have been duly authorized by all necessary corporate action on
                  Glacier's part, and this Agreement constitutes Glacier's
                  legal, binding, and valid obligation, enforceable in
                  accordance with its terms, except to the extent that
                  enforcement (but not validity) may be limited by bankruptcy,
                  insolvency, fraudulent conveyances reorganization, moratorium,
                  or similar laws generally affecting the enforcement of the
                  rights of creditors and by generally applicable principles of
                  equity;

              (d) the Glacier Shares have been duly authorized and, when issued
                  as contemplated by this Agreement, will be validly issued,
                  fully paid and nonassessable, and free of preemptive or
                  similar rights arising under applicable corporate statutes or
                  under Glacier's bylaws or certificate of incorporation;

              (e) the Registration Statement became effective under the
                  Securities Act on ____________, 1998, and, to the best of
                  counsel's knowledge, no stop order suspending the
                  effectiveness of the Registration Statement has been issued
                  and no proceedings for that purpose have been instituted or
                  threatened by the Securities and Exchange Commission;

              (f) counsel has no knowledge of any pending or threatened claims,
                  actions, suits or legal or equitable proceedings before any
                  governmental agency which, in counsel's opinion would be,
                  individually or in the aggregate, reasonably likely to result
                  in liability in excess $50,000 or prevent consummation of the
                  Transaction; and

              (g) all required federal regulatory approvals have been obtained.

        5.3.8 FAIRNESS OPINION. HUB has received from Columbia, two updated
              fairness opinions, one dated immediately before HUB mails the
              Prospectus/Proxy Statement to its stockholders and the other dated
              immediately before Closing, to the effect that the financial terms
              of the Transaction are financially fair to HUB's stockholders.

        5.3.9 CASH PAID. The aggregate of the cash paid to holders of HUB Common
              Stock under this Agreement and applicable law will not exceed 10%
              of the Purchase Price, as it may be adjusted under this Agreement.




                                       32
<PAGE>   41

        5.3.10 REGISTRATION STATEMENT. The Registration Statement, as it may
               have been amended, required in connection with the Glacier shares
               to be issued to stockholders under Subsection 1.3, and as
               described in Subsection 4.2, has become effective, and no stop
               order suspending the effectiveness of such Registration Statement
               has been issued or remains in effect, and no proceedings for that
               purpose have been initiated or threatened by the SEC the basis
               for which still exists.

        5.3.11 DIRECTOR APPOINTMENT. Effective as of Closing, Glacier has
               appointed Fred J. Flanders to serve on Glacier's board of
               directors.

        5.3.12 APPROVAL BY COUNSEL. All actions, proceedings, instruments, and
               documents required in connection with this Agreement, the
               Transaction, and all other related legal matters have been
               approved by counsel for HUB and the Bank.

                                    SECTION 6
                       DIRECTORS, OFFICERS AND EMPLOYEES

6.1     DIRECTORS. As a condition to the execution of this Agreement, each
        member of HUB's and the Bank's boards of directors have entered into a
        written noncompetition agreement with Glacier, HUB, and the Bank, on or
        before the date this Agreement is signed. These noncompetition
        agreements will take effect on the Effective Date.

6.2     DIRECTOR APPOINTMENT. Effective as of the Effective Date, Glacier will
        elect or appoint Fred J. Flanders to Glacier's board of directors to
        serve until his successor is elected and qualified. Nothing in this
        Subsection 6.2 or this Agreement restricts in any way any rights of the
        Glacier's stockholders and directors at any time after the Effective
        Date to nominate, elect, select, or remove Glacier's directors.

6.3     EMPLOYMENT AGREEMENT. Glacier has entered into an employment agreement,
        effective as of the Effective Date, with Fred J. Flanders, the Bank's
        current President and CEO. As part of the employment agreement, Mr.
        Flanders waives all rights he may have under any previous employment
        agreements with HUB or the Bank.

6.4     EMPLOYEES. [THIS SECTION MAY BE REVISED UPON REVIEW BY GLACIER AND ITS
        COUNSEL OF HUB'S EMPLOYEE BENEFIT PLANS]. Glacier presently intends to
        allow the Bank's employees who are employed with the Bank following the
        Transaction ("Continuing Employees") to participate in certain employee
        benefit plans in which employees of Glacier currently participate.
        Glacier intends to grant Continuing Employees credit for prior service
        with the Bank for purposes of determining eligibility and vesting, but
        Continuing Employees will not receive this credit for purposes of
        determining benefit accruals. Benefits for Continuing Employees will
        begin accruing under Glacier's plans as soon as practicable and no later
        than January 1, 1999. This expression of intent is not a contract with
        the Bank's employees and will not be construed to create a contract or
        employment right with the Bank's employees.

6.5     EMPLOYEE BENEFIT ISSUES. [THIS SECTION MAY BE REVISED UPON REVIEW BY
        GLACIER AND ITS COUNSEL OF HUB'S EMPLOYEE BENEFIT PLANS AND ANY PROFIT
        SHARING PLANS].

        6.5.1 COMPARABILITY OF BENEFITS. Glacier confirms to HUB its present
              intention to provide Continuing Employees with employee benefit
              programs which, in the aggregate, are generally competitive with
              employee benefit programs offered by financial institutions of
              comparable size located in Glacier's market area.




                                       33
<PAGE>   42

        6.5.2 TERMINATION AND TRANSFER/MERGER OF PLANS. As soon as practicable
              after Closing, all employee benefit plans of HUB and its
              Subsidiaries will be terminated and the interests of Continuing
              Employees in those plans will be transferred or merged into
              Glacier's employee benefit plans.

        6.5.3 NO CONTRACT CREATED. Nothing in this Agreement gives any employee
              of HUB or its Subsidiaries a right to continuing employment.

                                    SECTION 7
                          TERMINATION OF AGREEMENT AND
                           ABANDONMENT OF TRANSACTION

7.1     TERMINATION BY REASON OF LAPSE OF TIME. If Closing does not occur before
        the Termination Date, either Glacier or HUB may terminate this Agreement
        and the Transaction if all of the following conditions are present:

        (a) the terminating party's board of directors decides to terminate by a
            majority vote of its members;

        (b) the terminating party delivers to the other party written notice
            that its board of directors has voted in favor of termination; and

        (c) the failure to consummate the Transaction by the Termination Date is
            not due to a breach by the party seeking termination of any of its
            obligations, covenants, or representations in this Agreement.

7.2     OTHER GROUNDS FOR TERMINATION. This Agreement and the Transaction may be
        terminated at any time before Closing (whether before or after
        applicable approval of this Agreement by HUB's stockholders, unless
        otherwise provided) as follows:

        7.2.1 MUTUAL CONSENT. By mutual consent of HUB and Glacier, if the
              boards of directors of each party agrees to terminate by a
              majority vote of its members.

        7.2.2 HUB'S CONDITIONS NOT MET. By Glacier's board of directors if, by
              August 31, 1998, any condition set forth in Subsections 5.1 or 5.2
              has not been satisfied.

        7.2.3 GLACIER'S CONDITIONS NOT MET. By HUB's board of directors if, by
              August 31, 1998, any condition set forth in Subsections 5.1 or 5.3
              has not been satisfied.

        7.2.4 HUB FAILS TO RECOMMEND STOCKHOLDER APPROVAL OR OPTION BECOME
              EXERCISABLE. By Glacier's board of directors (a) before HUB's
              stockholders approve the Transaction, if HUB's board of directors:
              (1) fails to recommend to its stockholders the approval of the
              Transaction or (2) modifies, withdraws or changes in a manner
              adverse to Glacier its recommendation to stockholders to approve
              the Transaction; or (b) the option granted by HUB to Glacier under
              the Stock Option Agreement becomes exercisable by Glacier, unless
              Glacier exercises its rights under the Stock Option Agreement.

        7.2.5 IMPRACTICABILITY. By either Glacier or HUB, upon written notice
              given to the other party, if the party seeking termination under
              this Subsection 7.2.5's board of directors has determined in its
              sole judgment, made in good faith and after due consideration and
              consultation with counsel, that the Transaction has become
              inadvisable or impracticable




                                       34
<PAGE>   43

              by reason of the institution of litigation by the federal
              government or the government of the State of Montana to restrain
              or invalidate the Transaction or this Agreement.

7.3     HUB TERMINATION FEE. HUB acknowledges that Glacier has incurred
        expenses, direct and indirect, in negotiating and executing this
        Agreement and in taking steps to effect Transaction. Accordingly, HUB
        will pay to Glacier $250,000, if (1) this Agreement terminates because
        HUB does not use all reasonable efforts to consummate the Transaction in
        accordance with the terms of this Agreement; (2) HUB terminates this
        Agreement for any reason other than the grounds for termination set
        forth in Subsections 7.1, 7.2.1, 7.2.3 or 7.2.5; or (3) Glacier
        terminates this Agreement under Subsections 7.2.2 (other than for
        failure of a condition set forth in Subsections 5.1, 5.2.10, 5.2.11,
        5.2.14, 5.2.18, 5.2.20, 5.2.21, and 5.2.23, unless the failure of any of
        those conditions is due to HUB's fault) or 7.2.4. If this termination
        fee becomes payable, it will be payable on Glacier's demand and must be
        paid by HUB within 3 business days of the date Glacier makes the demand.
        Glacier's rights under the Stock Option Agreement are in addition to
        this Subsection 7.3, and this Subsection 7.3 does not limit or restrict
        these rights or the circumstances under which Glacier may exercise the
        Option.

7.4     GLACIER TERMINATION FEE. Due to expenses, direct and indirect, incurred
        by HUB in negotiating and executing this Agreement and in taking steps
        to effect the Transaction, Glacier will pay to HUB $100,000 if (1) this
        Agreement terminates because Glacier does not use all reasonable efforts
        to consumate the Transaction in accordance with the terms of this
        Agreement (2) Glacier terminates this Agreement for any reason other
        than the grounds for termination set forth in Subsections 7.1, 7.2.2,
        7.2.4, or 7.2.5, or (3) HUB terminates this Agreement under Subsection
        7.2.3 (other than for failure of a condition set forth in 5.1, 5.3.4,
        5.3.5, 5.3.6, 5.3.8, 5.3.9, 5.3.10, and 5.3.12, unless the failure of
        any of those conditions is due to Glacier's fault). If this termination
        fee becomes payable, it will be payable on HUB's demand and must be paid
        by Glacier within three business days of the date HUB makes the demand.

7.5     COST ALLOCATION UPON TERMINATION. In connection with the termination of
        this Agreement under this Section 7, except as provided in Subsection
        7.3 and 7.4, Glacier and HUB will each pay their own out-of-pocket costs
        incurred in connection with this Agreement, and will have no other
        liability to the other party. But, termination of this Agreement does
        not affect Glacier's rights under the Stock Option Agreement or the
        circumstances under which Glacier may exercise the Option.

                                    SECTION 8
                                  MISCELLANEOUS

8.1     NOTICES. Any notice, request, instruction or other document given under
        this Agreement must be in writing and must either be delivered
        personally or via facsimile transmission or be sent by registered or
        certified mail, postage prepaid, and addressed as follows (or to any
        other address or person representing any party as designated by that
        party through written notice to the other party):

        Glacier                         Glacier Bancorp, Inc.
                                        P.O. Box 27
                                        202 Main Street
                                        Kalispell, MT  59903-0027
                                        Attn: John S. MacMillan



                                       35

<PAGE>   44

                 with a copy to:        Stephen M. Klein, Esq.
                                        Graham & Dunn, P.C.
                                        1420 Fifth Avenue, 33rd Floor
                                        Seattle, WA  98101-2390

        HUB                             HUB Financial Corporation
                                        P.O. Box 5269
                                        3030 N. Montana Ave.
                                        Helena, MT  59601-0551
                                        Attn: Thomas F. Dowling

                 with a copy to:        David R. Chisholm, Esq.
                                        Holland & Hart LLP
                                        Suite 1500, First Interstate Center
                                        401 North 31st Street
                                        P.O. Box 639
                                        Billings, MT  59101

8.2     WAIVERS AND EXTENSIONS. Subject to Section 9, Glacier or HUB may grant
        waivers or extensions to the other party, but only through a written
        instrument executed by the Chief Executive Officer of the party granting
        the waiver or extension. Waivers or extensions which do not comply with
        the preceding sentence are not effective. In accordance with this
        Section 8.2, a party may extend the time for the performance of any of
        the obligations or other acts of any other party, and may waive:

        (a)  any inaccuracies of any other party in the representations
             contained in this Agreement or in any document delivered in
             connection with this Agreement;

        (b)  compliance with any of the covenants of any other party; and

        (c)  any other party's performance of any obligations under this
             Agreement and any other condition precedent set out in Section 5.

8.3     GENERAL INTERPRETATION. Except as otherwise expressly provided in this
        Agreement or unless the context clearly requires otherwise: (1) the
        defined terms defined in this Agreement include the plural as well as
        the singular and (2) references in this Agreement to Sections,
        Subsections, Schedules, and Exhibits refer to Sections and Subsections
        of and Schedules and Exhibits to this Agreement. Whenever the words
        "include", "includes", or "including" are used in this Agreement, the
        parties intend them to be interpreted as if they are followed by the
        words "without limitation." All pronouns used in this Agreement include
        the masculine, feminine and neuter gender, as the context requires. All
        accounting terms used in this Agreement that are not expressly defined
        in this Agreement have the respective meanings given to them in
        accordance with GAAP.

8.4     CONSTRUCTION AND EXECUTION IN COUNTERPARTS. Except as otherwise
        expressly provided in this Agreement, this Agreement: (1) contains the
        parties' entire understanding, and no modification or amendment of its
        terms or conditions will be effective unless in writing and signed by
        the parties, or their respective duly authorized agents; (2) will not be
        interpreted by reference to any of the titles or headings to the
        Sections or Subsections, which have been inserted for convenience only
        and are not deemed a substantive part of this Agreement; (3) includes
        all amendments to this Agreement, each of which is made a part of this
        Agreement by this




                                       36
<PAGE>   45

        reference; and (4) may be executed in one or more counterparts, each of
        which will be deemed an original, but all of which taken together will
        constitute one and the same document.

8.5     SURVIVAL OF REPRESENTATIONS AND COVENANTS. The representations and
        covenants in this Agreement will not survive Closing or termination of
        this Agreement, except that (1) Subsection 4.9 (confidentiality),
        Subsection 7.3 (termination fee), and Subsection 7.5 (expense
        allocation) will survive termination and Closing, and (2) the covenants
        in this Agreement that impose duties or obligations on the parties
        following Closing will survive Closing.

8.6     ATTORNEYS' FEES AND COSTS. In the event of any dispute or litigation
        with respect to the terms and conditions or enforcement of rights or
        obligations arising by reason of this Agreement or the Transaction, the
        prevailing party in any such litigation will be entitled to
        reimbursement from the other party for its costs and expenses, including
        reasonable judicial and extra-judicial attorneys' fees, expenses and
        disbursements, and fees, costs and expenses relating to any mediation or
        appeal.

8.7     ARBITRATION. At either party's request, the parties must submit any
        dispute, controversy or claim arising out of or in connection with, or
        relating to, this Agreement or any breach or alleged breach of this
        Agreement, to arbitration under the American Arbitration Association's
        rules then in effect (or under any other form of arbitration mutually
        acceptable to the parties). A single arbitrator agreed on by the parties
        will conduct the arbitration. If the parties cannot agree on a single
        arbitrator, each party must select one arbitrator and those two
        arbitrators will select a third arbitrator. This third arbitrator will
        hear the dispute. The arbitrator's decision is final (except as
        otherwise specifically provided by law) and binds the parties, and
        either party may request any court having jurisdiction to enter a
        judgment and to enforce the arbitrator's decision. The arbitrator will
        provide the parties with a written decision naming the substantially
        prevailing party in the action. This prevailing party is entitled to
        reimbursement from the other party for its costs and expenses, including
        reasonable attorneys' fees.

8.8     GOVERNING LAW AND VENUE. This Agreement will be governed by and
        construed in accordance with Montana law, except to the extent that
        certain matters may be governed by federal law. The parties must bring
        any legal proceeding arising out of this Agreement in Flathead County,
        Montana.

8.9     SEVERABILITY. If a court determines that any term of this Agreement is
        invalid or unenforceable under applicable law, the remainder of this
        Agreement is not affected, and each remaining term is valid and
        enforceable to the fullest extent permitted by law.

                                    SECTION 9
                                   AMENDMENTS

        At any time before the Effective Date, whether before or after the
parties have obtained any applicable stockholder approvals of the Transaction,
the boards of directors of Glacier and HUB may: (1) amend or modify this
Agreement or any attached Exhibit or Schedule and (2) grant waivers or time
extensions in accordance with Subsection 8.2. But, after HUB's stockholders have
approved this Agreement, the parties' boards of directors may not without HUB
stockholder approval amend or waive any provision of this Agreement if the
amendment or waiver would reduce the amount or change the form of consideration
HUB stockholders will receive in the Transaction. All amendments, modifications,
extensions and waivers must be in writing and signed by the party agreeing to
the amendment, modification, extension or waiver. Failure by any party to insist
on strict compliance by the other party with any of its obligations, agreements
or conditions under this Agreement, does not,




                                       37
<PAGE>   46

without a writing, operate as a waiver or estoppel with respect to that or any
other obligation, agreement, or condition.

        Signed as of December 30, 1997:



                                       GLACIER BANCORP, INC., INC.


                                       By   /s/ John S. MacMillan
                                          --------------------------------------
                                       Name:  John S. MacMillan
                                       Title: Chairman, President and CEO
                                       HUB FINANCIAL CORPORATION


                                       By   /s/ Thomas F. Dowling
                                          --------------------------------------
                                       Name:  Thomas F. Dowling
                                       Title: President and CEO








                                       38
<PAGE>   47


STATE OF MONTANA      )
                      ) ss.
COUNTY OF FLATHEAD    )


        On this 30th day of December, 1997, before me personally appeared John
S. MacMillan, to me known to be the Chairman of the Board, President and Chief
Executive Officer of GLACIER BANCORP, INC., the corporation that executed the
foregoing instrument, who acknowledged said instrument to be the free and
voluntary act and deed of said corporation, for the uses and purposes mentioned
there, and who stated on oath that he was authorized to execute said instrument,
and that the seal affixed (if any) was the official seal of said corporation.

        IN WITNESS OF THE FOREGOING, I have set my hand and official seal to
this document as of the day and year first written above.



                                  /s/
                                  ----------------------------------------------
                                  NOTARY PUBLIC in and for the State of Montana,
                                  residing at __________________________________
                                  Title: _______________________________________
                                  My commission expires: _______________________


STATE OF MONTANA             )
                             ) ss.
COUNTY OF LEWIS AND CLARK    )


        On this 30th day of December, 1997, before me personally appeared Thomas
F. Dowling, to me known to be the President and Chief Executive Officer of HUB
FINANCIAL CORPORATION, the corporation that executed the foregoing instrument,
who acknowledged said instrument to be the free and voluntary act and deed of
said corporation, for the uses and purposes mentioned there, and who stated on
oath that he was authorized to execute said instrument, and that the seal
affixed (if any) was the official seal of said corporation.

        IN WITNESS OF THE FOREGOING, I have set my hand and official seal to
this document as of the day and year first written above.



                                  /s/
                                  ----------------------------------------------
                                  NOTARY PUBLIC in and for the State of Montana,
                                  residing at __________________________________
                                  Title: _______________________________________
                                  My commission expires: _______________________






                                       39
<PAGE>   48


        The undersigned, all being officers or members of the board of directors
of either HUB Financial Corporation ("HUB") or Valley Bank of Helena ("Bank"),
hereby consent to the Plan and Agreement of Merger ("Agreement"), dated as of
December 30, 1997, between Glacier Bancorp, Inc., Inc. and HUB, and individually
and as a group agree to vote in favor of the Agreement the shares of capital
stock each beneficially owns and, subject to the good faith exercise of their
fiduciary duties in accordance with the advice of counsel, to support and
recommend the Agreement's adoption by the other stockholders of HUB.

        Except as otherwise required by law, the undersigned hereby,
individually and as a group, further agree to refrain from (a) negotiating or
accepting any offer of merger, consolidation, or acquisition of any of the
shares or all or substantially all of the assets of HUB from the date of the
Agreement through the meeting of the stockholders of HUB at which the
transactions contemplated by the Agreement will be considered, and (b) any other
actions or omissions inconsistent with the transactions contemplated by the
Agreement.


<TABLE>
<S>                                                    <C>
/s/ Thomas F. Dowling                                  /s/ Fred J. Flanders
- -----------------------------------------              -----------------------------------------
Thomas F. Dowling                                      Fred J. Flanders
Chairman of HUB and Director of Bank                   Director of Bank


/s/ Robert J. Peccia                                   /s/ Dr. Harrison D. Hanson
- -----------------------------------------              -----------------------------------------
Robert J. Peccia                                       Dr. Harris D. Hanson
Vice Chairman of HUB and Director of Bank              Director of Bank


/s/ James H. Foley                                     /s/ Jerome T. Loendorf
- -----------------------------------------              -----------------------------------------
James H. Foley                                         Jerome T. Loendorf
Chairman of Bank                                       Director of Bank


/s/ James T. Harrison, Jr.                             /s/ Dr. Gary L. Mihelish
- -----------------------------------------              -----------------------------------------
James T. Harrison, Jr.                                 Dr. Gary L. Mihelish
Director of Bank                                       Director of Bank


/s/ Joseph G. Loendorf                                 /s/ Joan Poston
- -----------------------------------------              -----------------------------------------
Joseph G. Loendorf                                     Joan Poston
Director of HUB                                        Director of Bank


/s/ Mary D. Munger                                     /s/ John J. Poston
- -----------------------------------------              -----------------------------------------
Mary D. Munger                                         John P. Poston
Director of Bank                                       Director of Bank
</TABLE>





                                       40
<PAGE>   49






                           Exhibits and Schedules to
                          Plan and Agreement of Merger
                                    Between
                             Glacier Bancorp, Inc.
                                      and
                           HUB Financial Corporation

                                  Not Included









<PAGE>   1
                                                                     EXHIBIT 2.2




                      AGREEMENT AND PLAN OF SHARE EXCHANGE



        THIS AGREEMENT AND PLAN OF SHARE EXCHANGE (the "Agreement"), is
effective as of ____________________, 1998, by and between Glacier Bancorp,
Inc., a Delaware corporation ("Glacier") and Valley Bank of Helena, a Montana
state-chartered commercial bank with its principal place of business at Helena,
Montana (the "Bank").

                                    RECITALS

        A. Glacier is a Delaware corporation and bank holding company registered
under the Bank Holding Company Act of 1956, as amended. HUB Financial
Corporation ("HUB") is a Montana corporation and bank holding company registered
under the Bank Holding Company Act of 1956, as amended. HUB currently owns
approximately 86.5 percent of the issued and outstanding common stock of Bank.

        B. Glacier and HUB have entered a Plan and Agreement of Merger providing
for the merger of HUB with and into Glacier (the "Merger Agreement" and the
"Merger"). Pursuant to the Merger Agreement, holders of HUB common stock will be
entitled to receive certain shares of Glacier common stock as more particularly
provided in the Merger Agreement.

        C. Glacier desires to acquire the shares of Bank common stock issued and
outstanding and not owned as of record by HUB (the "Minority Stock") in a
transaction immediately following the Merger and to issue and exchange Glacier
common stock for each share of Minority Stock (the "Exchange") on the terms,
conditions and covenants of this Agreement.

        D. Except as otherwise defined herein, capitalized terms used herein
shall be accorded the meaning given such terms in the Merger Agreement.

        IN CONSIDERATION OF THE ABOVE, the parties agree as follows:

1.      SHARE EXCHANGE

1.1 Plan of Share Exchange. On the Effective Date (as defined and provided for
in this Agreement), all shares of Minority Stock shall be exchanged for, as more
particularly provided for and limited by the terms of this Agreement, Continuing
Corporation Common Stock. At and after the Effective Date, Minority Stock and
certificates representing shares of Minority Stock shall be deemed for all
purposes to evidence solely the right to receive Continuing Corporation Common
Stock, and the holders of Minority Stock shall, subject to any dissenters'
rights any holder may have, possess no right to vote, receive dividends or
distributions or any other consideration in respect of the Minority Stock.




                                       1
<PAGE>   2

1.2     Consideration.

        1.2.1 Purchase Price. Except as otherwise provided in this Agreement,
the aggregate consideration holders of Minority Stock will be entitled to
receive from Glacier in connection with the Exchange (the "Bank Purchase Price")
will be that number of shares of Continuing Corporation Common Stock calculated
by multiplying 620,000 by the number equal to one (1) minus HUB's fractional
ownership of Bank common stock at closing of the Merger as determined under
Subsection 1.3.1 of the Merger Agreement.

        1.2.2 Exchange Ratio. The number of shares of Continuing Corporation
Common Stock each holder of Minority Stock will receive in exchange for each
share of Minority Stock will be determined according to a ratio (the "Bank
Exchange Ratio") computed as follows: in exchange for each share of Minority
Stock held of record on the Effective Date, the holder will receive that number
(rounded to two decimals, rounding down if the third decimal is four or less or
up if it is five or more) of Continuing Corporation Common Stock calculated by
dividing the Bank Purchase Price by the aggregate number of shares of Minority
Stock that on the Effective Date are issued and outstanding. The shares of
Continuing Corporation Common Stock to be issued under this Agreement in
connection with the Exchange are referred to as the "Glacier Shares".

        1.2.3 No Fractional Shares. The Continuing Corporation will not issue
fractional shares of Continuing Corporation Common Stock. In lieu of fractional
shares, if any, each holder of Minority Stock who is otherwise entitled to
receive a fractional share of Continuing Corporation Common Stock in the
Exchange will receive an amount of cash equal to the product of such fraction
times the fair market value of a share of Glacier common stock at Closing. Such
fractional share interest will not include the right to vote or receive
dividends or any interest on dividends.

        1.2.4 Certificates.

              (a) Surrender of Certificates. Each certificate evidencing
        Minority Stock (other than Dissenting Shares) will, on and after the
        Effective Date, be deemed for all corporate purposes to represent and
        evidence only the right to receive a certificate representing the
        Glacier Shares (or to receive the cash for fractional shares) to which
        the Minority Stock shares are exchanged in the Exchange in accordance
        with the provisions of Section 1.2. Following the Effective Date,
        Minority Stockholders may exchange certificates representing Minority
        Stock by surrendering them to the agent (the "Exchange Agent")
        designated by HUB and Glacier under the Merger Agreement to effect the
        exchange of such certificate or certificates representing Glacier Shares
        (or for cash in lieu of fractional shares) in accordance with any
        instructions provided by the Exchange Agent and in accordance with the
        letter of transmittal described in Section 1.4. Until a holder's
        certificate evidencing Minority Stock is so surrendered for transfer,
        the holder will not have the right to receive any certificates
        evidencing Glacier Shares or cash in lieu of fractional shares.




                                       2
<PAGE>   3

              (b) Issuance of Certificates in Other Names. Any person requesting
        that any certificate evidencing Glacier Shares be issued in a name other
        than the name in which the surrendered Minority Stock certificate is
        registered must:

                  (i) establish to the Exchange Agent's satisfaction the right
              to receive the certificate evidencing Glacier Shares, and

                  (ii) either pay to the Exchange Agent any applicable transfer
              or other taxes or establish to the Exchange Agent's satisfaction
              that all applicable taxes have been paid or are not required.


              (c) Lost, Stolen and Destroyed Certificates. The Exchange Agent
        will be authorized to issue a certificate representing Glacier Shares in
        exchange for a Minority Stock certificate that has been lost, stolen or
        destroyed, if the holder provides the Exchange Agent with:

                  (i) satisfactory evidence that the holder owns Minority Stock
              and that the certificate representing this ownership is lost,
              stolen or destroyed,

                  (ii) any appropriate affidavit the Exchange Agent may
              reasonably require, and

                  (iii) any indemnification assurances that the Exchange Agent
              may reasonably require.

              (d) Rights to Dividends and Distributions. After the Effective
        Date, no holder of a certificate evidencing Minority Stock shares will
        be entitled to receive any dividends or other distributions otherwise
        payable to holders of record of Continuing Corporation Common Stock on
        any date after the Effective Date, unless the holder:

                  (i) is entitled by this Agreement to receive a certificate
              representing Glacier Shares, and

                  (ii) has surrendered in accordance with this Agreement her
              Minority Stock certificates (or met the requirements of Section
              1.2.4(c)) in exchange for certificates representing Glacier
              Shares. Surrender of Minority Stock certificates will not deprive
              the holder of any dividends or distributions that the holder is
              entitled to receive as a record holder of Bank common stock on a
              date before the Effective Date. When the holder surrenders her
              Minority Stock certificates, the holder will receive the amount,
              without interest, of any cash dividends and any other
              distributions distributed on or after the Effective Date on the
              whole number of shares of Glacier Shares into which the holder's
              Minority Stock was exchanged at the Effective Date.




                                       3
<PAGE>   4

              (e) Checks in Other Names. Any person requesting that a check for
        cash in lieu of fractional shares be issued in a name other than the
        name the Minority Stock certificates surrendered in exchange for the
        cash is registered in must establish to the Exchange Agent's
        satisfaction the right to receive the cash.

        1.3 Payment to Dissenting Stockholders. For purposes of this Agreement,
"Dissenting Shares" means those shares of Minority Stock as to which
stockholders have properly taken all steps necessary to perfect their
dissenters' rights under Montana Business Corporation Act (the "MBCA") Sections
35-1-826 through 35-1-839. Each outstanding Dissenting Share of Minority Stock
will be converted, at Closing, into the rights provided under those sections of
the MBCA. Holders of Dissenting Shares will receive from the Bank the
consideration they are entitled to under the MBCA.

        1.4 Letter of Transmittal. Glacier will prepare a transmittal form
reasonably acceptable to Bank for use by stockholders holding Minority Stock.
Certificates representing shares of Minority Stock must be delivered for payment
or exchange in the manner provided in the transmittal letter form. On or about
the Effective Date, Glacier will mail the transmittal letter form to Minority
Stockholders.

        1.5 Undelivered Certificates. If outstanding certificates for Minority
Stock are not surrendered or the payment for them is not claimed before these
payments would escheat or become the property of any governmental unit or
agency, the unclaimed items will, to the extent permitted by abandoned property
or other applicable law, become the property of the Continuing Corporation (and
to the extent not in its possession will be paid over to the Continuing
Corporation) free and clear of all claims or interests of any person previously
entitled to such items. But, neither the Continuing Corporation nor either party
to this Agreement will be liable to any holder of Minority Stock for any amount
paid to any governmental unit or agency having jurisdiction over any such
unclaimed items under the abandoned property or other applicable law of the
jurisdiction and the Continuing Corporation will pay no interest on amounts owed
to stockholders for shares of Minority Stock.

2.      CLOSING OF THE TRANSACTION

        2.1 Closing. Closing of the Exchange ("Closing") will occur on the
Effective Date and immediately following the Closing of the Merger as provided
in the Merger Agreement.

        2.2 Events of Closing. On the Effective Date, all properly executed
documents required by this Agreement will be delivered to the proper party in
form consistent with this Agreement and Articles of Share Exchange will be
delivered and filed as required under the MBCA. If any party fails to deliver a
required document on the Effective Date or otherwise defaults under this
Agreement on or before the Effective Date, then the Exchange will not occur
unless the adversely affected party waives the default.

        2.3 Place of Closing. Unless Glacier and Bank agree otherwise, Closing
will occur on the Effective Date at the time and place set for closing of the
Merger under the Merger Agreement.




                                       4
<PAGE>   5

3.      REPRESENTATIONS

        3.1 Representations of Glacier. The representations of Glacier made and
set forth in the Merger Agreement for the benefit of HUB are herein restated and
made for the benefit of Bank pursuant to this Agreement.

        3.2 Representations of Bank. Bank represents to Glacier the following:

            3.2.1 Bank is a Montana corporation duly organized and validly
        existing under the laws of the State of Montana and its activities do
        not require it to be qualified in any jurisdiction other than Montana.

            3.2.2 Bank has the requisite corporate power and authority to own or
        lease its properties and assets and to carry on its business as it is
        now being conducted.

            3.2.3 Bank has the requisite corporate power and authority and has
        taken all corporate action necessary in order to execute and deliver
        this Agreement, subject only to the approval of Bank stockholders of the
        Agreement and the Exchange to the extent required by the MBCA.

            3.2.4 This Agreement is a valid and legally binding agreement of
        Bank, enforceable in accordance with the terms of this Agreement.

            3.2.5 The representations made by HUB in the Merger Agreement with
        respect to the Bank are true in all respects.

4.      CONDUCT AND TRANSACTIONS BEFORE CLOSING

        4.1 Conduct of Bank Business Prior to Closing. Bank hereby accepts and
agrees to the requirements of the conduct of its business prior to Closing as
the same are set forth with respect to the Bank in Section 4 of the Merger
Agreement.

        4.2 Preparation of Registration Statement. The Registration Statement
will provide for the registration of the Glacier Shares to be issued under this
Agreement with respect to the Exchange.

        4.3 Regulatory Approvals. Glacier will promptly seek the approvals of
state and federal banking regulators having jurisdiction to approve of or
consent to the Exchange under this Agreement (the "Regulatory Approvals").

        4.4 Submission to Shareholders. Bank will promptly take the actions
necessary in accordance with applicable law and its Articles of Incorporation
and Bylaws to convene a stockholders meeting to consider the approval of this
Agreement and to authorize the transaction contemplated by this Agreement. The
stockholders meeting will be held in conjunction with or promptly following the
meeting of HUB stockholders convened with respect to the Merger Agreement and
the Merger.




                                       5
<PAGE>   6

        4.5 Bank Cooperation With HUB. Bank shall cooperate with HUB in the
performance of HUB's obligations under the Merger Agreement to the extent such
obligations relate to the conduct of the business of the Bank or to the extent
HUB has undertaken an obligation to cause Bank to take or refrain from taking
certain actions.

5.      CONDITIONS TO CONSUMMATION

        5.1 Consummation of the Exchange under this Agreement and each of the
obligations of Bank and Glacier hereunder is expressly conditional upon:

                  (a) the consummation of the Merger under the Merger Agreement;

                  (b) the receipt by Glacier of all Regulatory Approvals
            necessary or convenient for the consummation of the Exchange;

                  (c) the receipt by Glacier, at Glacier's expense, obtained
            from Graham & Dunn, P.C. and delivered to Bank, an opinion addressed
            to Bank and in form and substance reasonably satisfactory to Bank
            and its counsel, to the effect that the consummation of the Exchange
            will not result in a taxable event for Bank or Glacier, and
            otherwise will have each of the effects specified below:

                      (i) the Exchange will qualify as a reorganization within
                  the meaning of Internal Revenue Code ss.368(a)(1)(B);

                      (ii) under IRC ss.354, Bank stockholders who, in
                  accordance with this Agreement, exchange their Minority Stock
                  solely for Continuing Corporation Common Stock shares will not
                  recognize gain or loss on the exchange; and

                      (iii) cash payments to Bank stockholders in lieu of a
                  fractional share of Continuing Corporation Common Stock will
                  be treated as distributions in redemption of the fractional
                  share interest, subject to the limitations of IRC ss.302.

(d)            Bank has obtained from Holland & Hart LLP and delivered to
               Glacier an opinion of counsel, subject to customary
               qualifications and assumptions, addressed to Glacier, to the
               effect that:

                      (i) the Bank has the corporate power and authority to
                  execute, deliver and perform this Agreement, and

                      (ii) the execution, delivery and performance of this
                  Agreement will be authorized by all necessary corporate action
                  on the part of Bank and may be limited by bankruptcy,
                  insolvency, reorganization, moratorium, or similar laws
                  generally affecting the enforcement of the rights of creditors
                  and by generally applicable principles of equity, and




                                       6
<PAGE>   7

                      (iii) the Agreement constitutes the Bank's valid, legal
                  and binding obligation and is enforceable in accordance with
                  its terms and is in compliance with corporate and banking laws
                  applicable to the Bank.

                  (e) Glacier has obtained from Graham & Dunn, P.C. and
            delivered to Bank an opinion, addressed to Bank, to the effect that:

                      (i) the execution, delivery and performance of this
                  Agreement have been duly authorized by all necessary corporate
                  action on Glacier's part, and this Agreement constitutes
                  Glacier's legal, binding and valid obligation, enforceable in
                  accordance with its terms, except to the extent that
                  enforcement (but not validity) may be limited by bankruptcy,
                  insolvency, reorganization, moratorium or similar laws
                  generally affecting the enforcement of the rights of creditors
                  and by generally applicable principles of equity;

                      (ii) The Glacier Shares have been duly authorized and,
                  when issued as contemplated by this Agreement, will be validly
                  issued, fully paid and nonassessable, free of any preemptive
                  or similar rights arising under applicable corporate statutes
                  or under Glacier's bylaws or certificate of incorporation;

                      (iii) The Registration Statement became effective under
                  the Securities Act on __________________, 1998, and, to the
                  best of counsel's knowledge, no stop order suspending the
                  effectiveness of the Registration Statement has been issued
                  and no proceedings for that purpose have been instituted or
                  threatened by the Securities and Exchange Commission; and

                      (iv) Glacier has the corporate power and authority to
                  execute, deliver and perform this Agreement.

                  (f) The Bank has received an opinion from Columbia Financial
            Advisors, Inc. at such times as Bank may deem appropriate, but in
            any event dated immediately prior to Closing, and to the effect that
            the financial terms of the Exchange are financially fair to holders
            of Minority Stock.

        5.2 Glacier's consummation of the Exchange under this Agreement and each
of its obligations is expressly conditional upon the following:

                  (a) Bank has conformed and complied with all material terms,
            covenants and conditions of this Agreement unless waived by Glacier.

                  (b) The Bank Board of Directors and Bank shareholders have
            each approved the Exchange and this Agreement.




                                       7
<PAGE>   8

                  (c) No act or event shall have occurred the effect of which,
            upon consummation of the Exchange, would adversely affect the
            ability of Glacier to account for the Merger as a "pooling of
            interests" as contemplated by the Merger Agreement.

        5.3 Bank's consummation of the Exchange and each of the obligations is
expressly conditional upon the following:

                  (a) Glacier has conformed and complied with all material
            terms, covenants and conditions of this Agreement unless waived by
            the Bank.

6.      TERMINATION

        6.1 Termination. This Agreement shall be terminated (a) without further
action by or on behalf of Glacier or Bank upon the termination of the Merger
Agreement by either party or for any reason or no reason under the Merger
Agreement, and (b) by written notice of either party upon the material failure
of any condition under Section 6.1. If this Agreement is terminated as provided
by this Section 6.1, such termination shall be without liability of any party,
or any shareholder, director, officer, employee, agent, consultant or
representative of such party, to any other party to this Agreement. No
termination or breakup fee or other payment or liability will result from or
become due by reason of any termination of this Agreement pursuant to this
Section 6.1. This Agreement may be terminated by Glacier and Bank by the mutual
written consent of Glacier and Bank by the action of their respective Boards of
Directors or authorized officers.

7.      MISCELLANEOUS

        7.1 Notices. Any notice, request, instruction or other document given
under this Agreement must be in writing and must either be delivered personally
or via facsimile transmission or be sent by registered or certified mail,
postage prepaid, and addressed as follows (or to any other address or person
representing any party as designated by that party through written notice to the
other party):

        If to Glacier:

               Glacier Bancorp, Inc.
               202 Main Street
               P. O. Box 27
               Kalispell, MT 59903-0027
               Attention: John S. MacMillan

with a copy to:

               Stephen M. Klein, Esq.
               Graham & Dunn, P.C.
               1420 Fifth Avenue, 33" Floor
               Seattle, WA 98101-2390




                                       8
<PAGE>   9

        If to Bank:

               Valley Bank of Helena
               3030 North Montana Avenue
               P. O. Box 5269
               Helena, MT 59601-0551
               Attention: Fred J. Flanders

with a copy to:

               David R. Chisholm, Esq.
               Holland & Hart LLP
               Suite 1500, 401 North 31" Street
               P. O. Box 639
               Billings, MT 59103-0639

        7.2 Waivers and Extensions. Subject to Section 8, Glacier or Bank may
grant waivers or extensions to the other party, but only through a written
instrument executed by the Chief Executive Officer of the party granting the
waiver or extension. Waivers or extensions which do not comply with the
preceding sentence are not effective. In accordance with this Section 7.2, a
party may extend the time for the performance of any of the obligations or other
acts of any other party, and may waive:

                  (a) any inaccuracies of any other party in the representations
            contained in this Agreement or the Merger Agreement or in any
            document delivered in connection with this Agreement or the Merger
            Agreement;

                  (b) compliance with any of the covenants of any other party;
            and

                  (c) any other party's performance of any obligations under
            this Agreement.

        7.3 General Interpretation. Except as otherwise expressly provided in
this Agreement or unless the context clearly requires otherwise, the defined
terms defined in this Agreement include the plural as well as the singular.
Whenever the words "include", "includes", or "including" are used in this
Agreement, the parties intend them to be interpreted as if they are followed by
the words "without limitation". All pronouns used in this Agreement include the
masculine, feminine and neuter gender, as the context requires. All accounting
terms used in this Agreement that are not expressly defined in this Agreement
have the respective meanings given to them in accordance with GAAP.

        7.4 Construction and Execution in Counterparts. Except as otherwise
expressly provided in this Agreement, this Agreement:

                  (a) contains the parties' entire understanding, and no
            modification or amendment of its terms or conditions will be
            effective unless in writing and signed by the parties, or their
            respective duly authorized agents;




                                       9
<PAGE>   10

                  (b) will not be interpreted by reference to any of the titles
            or headings to the sections or subsections, which have been inserted
            for convenience only and are not deemed a substantive part of this
            Agreement;

                  (c) includes all amendments to this Agreement, each of which
            is made a part of this Agreement by this reference; and

                  (d) may be executed in one or more counterparts, each of which
            will be deemed an original, but all of which taken together will
            constitute one and the same document.

        7.5 Attorneys' Fees and Costs. In the event of any dispute or litigation
with respect to the terms and conditions or enforcement of rights or obligations
arising by reason of this Agreement or the transaction, the prevailing party in
any such litigation will be entitled to reimbursement from the other party for
its costs and expenses, including reasonable judicial and extra-judicial
attorneys' fees, expenses and disbursements, and fees, costs and expenses
relating to any mediation or appeal.

        7.6 Arbitration. At either party's request, the parties must submit any
dispute, controversy or claim arising out of or in connection with, or relating
to, this Agreement or any breach or alleged breach of this Agreement, to
arbitration under the American Arbitration Association's rules when in effect
(or under any other form of arbitration mutually acceptable to the parties). A
single arbitrator agreed on by the parties will conduct the arbitration. If the
parties cannot agree on a single arbitrator, each party must select one
arbitrator and those two arbitrators will select a third arbitrator. This third
arbitrator will hear the dispute. The arbitrator's decision is final (except as
otherwise specifically provided by law) and binds the parties, and either party
may request any court having jurisdiction to enter a judgment and to enforce the
arbitrator's decision. The arbitrator will provide the parties with a written
decision naming the substantially prevailing party in the action. This
prevailing party is entitled to reimbursement from the other party for its costs
and expenses, including reasonable attorneys' fees.

        7.7 Governing Law and Venue. This Agreement will be governed by and
construed in accordance with Montana law, except to the extent that certain
matters may be governed by federal law. The parties must bring any legal
proceeding arising out of this Agreement in Flathead County, Montana.

        7.8 Severability. If a court determines that any term of this Agreement
is invalid or unenforceable under applicable law, the remainder of this
Agreement is not affected, and each remaining term is valid and enforceable to
the fullest extent permitted by law.

8.      AMENDMENTS

        8.1 At any time before the Effective Date, whether before or after the
parties have obtained any applicable stockholder approvals of the transaction,
the Boards of Directors of Glacier and Bank may:




                                       10
<PAGE>   11

                  (a) amend or modify this Agreement or any attached Exhibit or
            Schedule, and

                  (b) grant waivers or time extensions in accordance with
            Subsection 7.2.

But, after Bank's stockholders have approved this Agreement, the parties' Boards
of Directors may not without Bank stockholder approval amend or waive any
provision of this Agreement if the amendment or waiver would reduce the amount
or change the form of consideration Bank stockholders will receive in the
transaction. All amendments, modification, extensions and waivers must be in
writing and signed by the party agreeing to the amendment, modification,
extension of waiver. Failure by any party to insist on strict compliance by the
other party with any of its obligations, agreements or conditions under this
Agreement, does not, without a writing, operate as a waiver or estoppel with
respect to that or any other obligation, agreement, or condition.

        IN WITNESS WHEREOF, Glacier Bancorp, Inc. and Valley Bank of Helena have
caused this Agreement to be executed on the date first written above by their
duly authorized representatives.



                                       GLACIER BANCORP, INC.


                                       By: _____________________________________
                                           John S. MacMillan
                                           Its: Chairman, President and CEO


                                       VALLEY BANK OF HELENA


                                       By: _____________________________________

                                           _____________________________________

                                           Its: ________________________________



                                       11

<PAGE>   1
                                                                      EXHIBIT 10




                             STOCK OPTION AGREEMENT

        This Stock Option Agreement ("Agreement"), dated as of December 30,
1997, is between HUB FINANCIAL CORPORATION ("HUB"), a Montana corporation, and
GLACIER BANCORP, INC.
("Glacier"), a Delaware corporation.

        HUB and Glacier have executed a Plan and Agreement of Merger ("Merger
Agreement"), of even date with this Agreement, which would result in the merger
of HUB with and into Glacier ("Merger").

        By negotiating and executing the Merger Agreement and by taking actions
necessary or appropriate to effect the transactions contemplated by the Merger
Agreement, Glacier has incurred and will incur substantial direct and indirect
costs (including, without limitation, the costs of management and employee time)
and will forgo the pursuit of certain alternative investments and transactions.

        THEREFORE, in consideration of the promises set forth in this Agreement
and in the Merger Agreement, the parties agree as follows:

1.      Grant of Option. Subject to the terms and conditions set forth in this
        Agreement, HUB irrevocably grants an option ("Option") to Glacier to
        purchase an aggregate of 2,302 authorized but unissued shares of HUB's
        Common Stock, no par value ("Common Stock") (which if issued, and
        assuming exercise of outstanding options to acquire the Common Stock,
        would represent approximately 19.9% of total stock issued and
        outstanding), at a per share price of $781 ("Option Price"), which was
        the estimated fair market value of the Common Stock at September 30,
        1997.

2.      Exercise of Option. Subject to the provisions of this Section 2 and of
        Section 13(a) of this Agreement, this Option may be exercised by Glacier
        or any transferee as set forth in Section 5 of this Agreement, in whole
        or in part, at any time, or from time to time in any of the following
        circumstances:

        (a)   HUB or its board of directors enters into an agreement or
              recommends to HUB shareholders an agreement (other than the Merger
              Agreement) under which any entity, person or group (collectively
              "Person"), within the meaning of Section 13(d)(3) of the
              Securities Exchange Act of 1934, as amended ("Exchange Act"),
              would: (1) merge or consolidate with, acquire 51% or more of the
              assets or liabilities of, or enter into any similar transaction
              with HUB, or (2) purchase or otherwise acquire (including by
              merger, consolidation, share exchange or any similar transaction)
              securities representing 10% or more of HUB's voting shares of HUB
              (other than an exchange of Common Stock for shares of Valley Bank
              of Helena common stock not owned by HUB on the date this Agreement
              was signed, is such exchange is reasonably acceptable to Glacier);

        (b)   any Person (other than Glacier or any of its subsidiaries and
              other than any Person owning as of the date of this Agreement 10%
              or more of the voting shares of HUB) acquires the beneficial
              ownership or the right to acquire beneficial ownership of
              securities which, when aggregated with other such securities owned
              by such Person, represents 10% or more of the voting shares




                                       1
<PAGE>   2

              of HUB (the term "beneficial ownership" for purposes of this
              Agreement has the meaning set forth in Section 13(d) of the
              Exchange Act, and the regulations promulgated under the Exchange
              Act); notwithstanding the foregoing, the Option will not be
              exercisable in the circumstances described above in this
              subsection (b) if a Person acquires the beneficial ownership of
              securities which, when aggregated with other such securities owned
              by such Person, represents 10% or more, but less than 25%, of the
              voting shares of HUB and the transaction does not result in, and
              is not presumed to constitute, "control" as defined under Section
              7(j) of the Federal Deposit Insurance Act or 12 CFR Part 303.4;

        (c)   failure of the board of directors of HUB to recommend, or
              withdrawal by the board of directors of a prior recommendation of,
              the Merger to the shareholders; or

        (d)   failure of the shareholders to approve the Merger by the required
              affirmative vote at a meeting of the shareholders, after any
              Person (other than Glacier or a subsidiary of Glacier) announces
              publicly or communicates, in writing, to HUB a proposal to (1)
              acquire HUB (by merger, consolidation, the purchase of 51% or more
              of its assets or liabilities or any other similar transaction, (2)
              purchase or otherwise acquire securities representing 25% or more
              of the voting shares of HUB or (3) change the composition of the
              board of directors of HUB.

        It is understood and agreed that the Option will become exercisable on
        the occurrence of any of the above-described circumstances even though
        the circumstance occurred as a result, in part or in whole, of the board
        of HUB complying with its fiduciary duties.

        Notwithstanding the foregoing, the Option may not be exercised if either
        (1) any applicable and required governmental approvals have not been
        obtained with respect to such exercise or if such exercise would violate
        any applicable regulatory restrictions, or (2) at the time of exercise,
        Glacier is failing in any material respect to perform or observe its
        covenants or conditions under the Merger Agreement, unless the reason
        for such failure is that HUB is failing to perform or observe its
        covenants or conditions under the Merger Agreement.

3.      Notice, Time and Place of Exercise. Each time that Glacier or any
        transferee wishes to exercise any portion of the Option, Glacier or such
        transferee will give written notice of its intention to exercise the
        Option specifying the number of shares as to which the Option is being
        exercised ("Option Shares") and the place and date for the closing of
        the exercise (which date may not be later than ten business days from
        the date such notice is mailed). If any law, regulation or other
        restriction will not permit such exercise to be consummated during this
        ten-day period, the date for the closing of such exercise will be within
        five days following the cessation of the restriction on consummation.

4.      Payment and Delivery of Certificate(s). At any closing for an exercise
        of the Option or any portion thereof, (a) Glacier and HUB will each
        deliver to the other certificates as to the accuracy, as of the closing
        date, of their respective representations and warranties under this
        Agreement, (b) Glacier or the transferees will pay the aggregate
        purchase price for the shares of Common Stock to be purchased by
        delivery of a certified or bank cashier's check in immediately available
        funds payable to the order of HUB, and (c)




                                       2
<PAGE>   3

        HUB will deliver to Glacier or the transferees a certificate or
        certificates representing the shares so purchased.

5.      Transferability of the Option and Option Shares. Before the Option, or a
        portion of the Option, becomes exercisable in accordance with the
        provisions of Section 2 of this Agreement, neither the Option nor any
        portion of the Option will be transferable. If any of the events or
        circumstances set forth in Sections 2(a) through (d) above occur,
        Glacier may freely transfer, subject to applicable federal and state
        securities laws, the Option or any portion of the Option, or any of the
        Option Shares.

        For purposes of this Agreement, a merger or consolidation of Glacier
        (whether or not Glacier is the surviving entity) or an acquisition of
        Glacier will not be deemed a transfer.

6.      Representations, Warranties and Covenants of HUB. HUB represents and
        warrants to Glacier as follows:

        (a)   Due Authorization. This Agreement has been duly authorized by all
              necessary corporate action on the part of HUB, has been duly
              executed by a duly authorized officer of HUB and constitutes a
              valid and binding obligation of HUB. No shareholder approval by
              HUB shareholders is required by applicable law or otherwise before
              the exercise of the Option in whole or in part.

        (b)   Option Shares. HUB has taken all necessary corporate and other
              action to authorize and reserve and to permit it to issue and, at
              all times from the date of this Agreement to such time as the
              obligation to deliver shares under this Agreement terminates, will
              have reserved for issuance, at the closing(s) upon exercise of the
              Option, or any portion of the Option, the Option Shares (subject
              to adjustment, as provided in Section 8 below), all of which, upon
              issuance under this Agreement, will be duly and validly issued,
              fully paid and nonassessable, and will be delivered free and clear
              of all claims, liens, encumbrances and security interests,
              including any preemptive right of any of the shareholders of HUB.

        (c)   No Conflicts. Neither the execution and delivery of this Agreement
              nor the consummation of the transactions contemplated by it will
              violate or result in any violation of or be in conflict with or
              constitute a default under any term of the articles of
              incorporation or bylaws of HUB or any agreement, instrument,
              judgment, decree, law, rule or order applicable to HUB or any
              subsidiary of HUB or to which HUB or any such subsidiary is a
              party.

        (d)   Notification of Record Date. At any time from and after the date
              of this Agreement until the Option is no longer exercisable, HUB
              will give Glacier or any transferee 30 days prior written notice
              before setting the record date for determining the holders of
              record of the Common Stock entitled to vote on any matter, to
              receive any dividend or distribution or to participate in any
              rights offering or other matters, or to receive any other benefit
              or right, with respect to the Common Stock.




                                       3
<PAGE>   4

7.      Representations, Warranties and Covenants of Glacier. Glacier represents
        and warrants to HUB as follows:

        (a)   Due Authorization. This Agreement has been duly authorized by all
              necessary corporate action on the part of Glacier, has been duly
              executed by a duly authorized officer of Glacier and constitutes a
              valid and binding obligation of Glacier.

        (b)   Transfers of Common Stock. No shares of Common Stock acquired upon
              exercise of the Option will be transferred except in a transaction
              registered or exempt from registration under any applicable
              securities laws.

        (c)   No Conflicts. Neither the execution and delivery of this Agreement
              nor the consummation of the transactions contemplated by it will
              violate or result in any violation of or be in conflict with or
              constitute a default under any term of the certificate of
              incorporation or bylaws of Glacier or any agreement, instrument,
              judgment, decree, law, rule or order applicable to Glacier or any
              subsidiary of Glacier or to which Glacier or any such subsidiary
              is a party.

8.      Adjustment Upon Changes in Capitalization. In the event of any change in
        the Common Stock by reason of stock dividends, split-ups, mergers,
        recapitalizations, combinations, exchanges of shares or the like, the
        number and kind of shares or securities subject to the Option and the
        purchase price per share of Common Stock will be appropriately adjusted.
        If, before the Option terminates or is exercised, HUB is acquired by
        another party, consolidates with or merges into another corporation or
        liquidates, Glacier or any transferee will thereafter receive, upon
        exercise of the Option, the securities or properties to which a holder
        of the number of shares of Common Stock then deliverable upon the
        exercise thereof would have been entitled upon such acquisition,
        consolidation, merger or liquidation, and HUB will take all steps in
        connection with such acquisition, consolidation, merger or liquidation
        as may be necessary to assure that the provisions of this agreement will
        thereafter be applicable, as nearly as reasonably may be practicable, in
        relation to any securities or property thereafter deliverable upon
        exercise of the Option.

9.      Nonassignability. This Agreement binds and inures to the benefit of the
        parties and their successors. This Agreement is not assignable by either
        party, but Glacier may transfer the Option, the Option Shares or any
        portion of the Option or Option Shares in accordance with Section 5. A
        merger or consolidation of Glacier (whether or not Glacier is the
        surviving entity) or an acquisition of Glacier will not be deemed an
        assignment or transfer.

10.     Regulatory Restrictions. HUB will use its best efforts to obtain or to
        cooperate with Glacier or any transferee in obtaining all necessary
        regulatory consents, approvals, waivers or other action (whether
        regulatory, corporate or other) to permit the acquisition of any or all
        Option Shares by Glacier or any transferee.

11.     Remedies. HUB agrees that if for any reason Glacier or any transferee
        will have exercised its rights under this Agreement and HUB will have
        failed to issue the Option Shares to be issued upon such exercise or to
        perform its other obligations under this 




                                       4
<PAGE>   5

        Agreement, unless such action would violate any applicable law or
        regulation by which HUB is bound, then Glacier or any transferee will be
        entitled to specific performance and injunctive and other equitable
        relief. Glacier agrees that if it fails to perform any of its
        obligations under this Agreement, then HUB will be entitled to specific
        performance and injunctive and other equitable relief. This provision is
        without prejudice to any other rights that HUB or Glacier or any
        transferee may have against the other party for any failure to perform
        its obligations under this Agreement.

12.     No Rights as Shareholder. This Option, before it is exercised, will not
        entitle its holder to any rights as a shareholder of HUB at law or in
        equity. Specifically, this Option, before it is exercised, will not
        entitle the holder to vote on any matter presented to the shareholders
        of HUB or, except as provided in this Agreement, to any notice of any
        meetings of shareholders or any other proceedings of HUB.

13.     Miscellaneous.

        (a)   Termination. This Agreement and the Option, to the extent not
              previously exercised, will terminate upon the earliest of (1)
              August 31, 1998; (2) the mutual agreement of the parties to this
              Agreement; (3) 31 days after the date on which any application for
              regulatory approval for the Merger has been denied, but if before
              the expiration of the 31-day period, HUB or Glacier is engaged in
              litigation or an appeal procedure relating to an attempt to obtain
              approval of the Merger, this Agreement will not terminate until
              the earlier of (i) August 31, 1998, or (ii) 31 days after the
              completion of the litigation and appeal procedure; (4) the 30th
              day following the termination of the Merger Agreement for any
              reason other than a material noncompliance or default by Glacier
              with respect to its obligations under it; or (5) the date of
              termination of the Merger Agreement if the termination is due to a
              material noncompliance or default by Glacier with respect to its
              obligations under it; but if the Option has been exercised, in
              whole or in part, before the termination of this Agreement, then
              the exercise will close under Section 4 of this Agreement, even
              though that closing date is after the termination of this
              Agreement; and if the Option is sold before the termination of
              this Agreement, the Option may be exercised by the transferee at
              any time within 31 days after the date of termination even though
              such exercise or the closing of such exercise occurs after the
              termination of this Agreement.

        (b)   Amendments. This Agreement may not be modified, amended, altered
              or supplemented, except upon the execution and delivery of a
              written agreement executed by the parties.

        (c)   Severability of Terms. Any provision of this Agreement that is
              invalid, illegal or unenforceable is ineffective only to the
              extent of the invalidity, illegality or unenforceability without
              affecting in any way the remaining provisions or rendering any
              other provisions of this Agreement invalid, illegal or
              unenforceable. Without limiting the generality of the foregoing,
              if the right of Glacier or any transferee to exercise the Option
              in full for the total number of shares of Common Stock or other
              securities or property issuable upon the exercise of the Option is
              limited by applicable law, or otherwise, Glacier or any transferee
              may, nevertheless, exercise the Option to the fullest extent
              permissible.




                                       5
<PAGE>   6

        (d)   Notices. All notices, requests, claims, demands and other
              communications under this Agreement must be in writing and must be
              given (and will be deemed to have been duly received if so given)
              by delivery, by cable, telecopies or telex, or by registered or
              certified mail, postage prepaid, return receipt requested, to the
              respective parties at the addresses below, or to such other
              address as either party may furnish to the other in writing.
              Change of address notices will be effective upon receipt.

                      If to HUB to:

                             HUB Financial Corporation
                             P.O. Box 5269
                             Helena, MT  59903-0027
                             Attn:  Fred J. Flanders

                      With a copy to:

                             David R. Chisholm, Esq.
                             Holland & Hart LLP
                             Suite 1500, First Interstate Center
                             401 North 31st Street
                             P.O. Box 639
                             Billings, MT  59101

                      If to Glacier, to:

                             Glacier Bancorp, Inc.
                             P.O. Box 27
                             202 Main Street
                             Kalispell, MT  59903-0027
                             Attn:  John S. MacMillan

                      With a copy to:

                             Stephen M. Klein, Esq.
                             Graham & Dunn, P.C.
                             1420 Fifth Avenue, 33rd Floor
                             Seattle, WA  98101-2390

        (e)   Governing Law. The parties intend this Agreement and the Option,
              in all respects, including all matters of construction, validity
              and performance, to be governed by the laws of the State of
              Montana, without giving effect to conflicts of law principles.

        (f)   Counterparts. This Agreement may be executed in several
              counterparts, each of which is an original, and all of which
              together constitute one and the same agreement.




                                       6
<PAGE>   7

        (g)   Effects of Headings. The section headings in this Agreement are
              for convenience only and do not affect the meaning of its
              provisions.


        Dated December 30, 1997:


                                       GLACIER BANCORP, INC.



                                       BY   /s/ John S. MacMillan
                                          --------------------------------------
                                            John S. MacMillan
                                       Its: President and CEO


                                       HUB FINANCIAL CORPORATION


                                       By   /s/ Thomas F. Dowling
                                          --------------------------------------
                                            Thomas F. Dowling
                                       Its: President and CEO





<PAGE>   1
                                                                      EXHIBIT 99




                                 [PRESS RELEASE]

          GLACIER BANCORP, INC. AGREES TO ACQUIRE VALLEY BANK OF HELENA


        KALISPELL, MONTANA -- Glacier Bancorp, Inc.(Nasdaq: GBCI) today
announced the signing of a definitive agreement to acquire Valley Bank of
Helena. Valley Bank is a commercial bank with approximately $70 million in
assets and two banking offices in Helena, Montana. Glacier is a bank holding
company based in Kalispell, Montana with approximately $575 million in assets
and 18 banking offices in 13 Montana communities. Glacier will effect the
transaction by acquiring HUB Financial Corporation, Valley's parent holding
company.

The combination of Glacier Bancorp and Valley Bank will create a banking
institution with nearly $650 million in assets, $460 million in loans, and
approximately $64 million in shareholders' equity. The resulting bank group will
have 20 banking offices in 13 Montana communities. In addition, Valley Bank is
nearing completion of another branch location in Helena, which is expected to
open in January 1998. Following the combination, Valley will retain its autonomy
and local decision making, operating as a separately chartered commercial
banking subsidiary of Glacier. The bank's name will remain "Valley Bank of
Helena" and existing management and employees will be retained, including Fred
Flanders, President of Valley Bank and former Commissioner of Financial
Institutions for the State of Montana.

"We are pleased and excited to have Valley Bank of Helena join our
organization," said John MacMillan, President and CEO of Glacier. "It is an
outstanding community bank with strong management and a great track record of
financial performance. Moreover, it expands our commercial banking franchise by
establishing a meaningful presence for us in Helena, the State Capital." Glacier
currently operates a supermarket branch in Helena which it opened in June of
1997. Last year, Glacier acquired First Security Bank in Missoula, Montana and
previously acquired commercial banks in Columbia Falls, Whitefish and Eureka. In
November, Glacier announced that it was also submitting an application to
convert its Kalispell-based Glacier Bank F.S.B. subsidiary to a state chartered
commercial bank. "This transaction will serve to strengthen our position as the
preeminent commercial banking organization in western Montana," noted MacMillan.

In addition to the strategic advantages of the merger, Glacier also emphasized
the financial benefits which will result from the transaction. "We expect this
acquisition to be immediately accretive to Glacier's earnings and book value per
share, without relying on expense savings or revenue enhancements," added
MacMillan.

Fred Flanders, President of Valley Bank of Helena, praised the merger with
Glacier as a move that will benefit Valley Bank's customers, employees and
shareholders. "Glacier Bancorp is a quality financial institution that shares
our commitment to delivering superior customer service. Our customers and
employees will benefit from the combined strengths of the two organizations,
while our shareholders will enjoy the benefits of owning shares of a public
company with a superb history of performance.


<PAGE>   2

Terms of the Combination

Under the terms of the merger and exchange agreements, Glacier will issue
620,000 shares of its common stock to shareholders of HUB Financial Corporation
and Valley Bank of Helena in exchange for a 100% ownership interest in Valley
Bank. To effect the acquisition, Glacier will enter into a merger agreement with
HUB Financial corporation (which owns 86.5% of the outstanding shares of Valley
Bank) and will enter into a share exchange agreement for the remaining 13.5%
interest in Valley Bank. The 86.5% portion of the transaction represented by the
merger with HUB Financial will be accounted for as a pooling of interests; the
13.5% minority interest share exchange will be accounted for using purchase
accounting.

Based on Monday's closing price of $22 per share, shareholders of HUB Financial
Corp and Valley Bank of Helena will receive stock of Glacier Bancorp worth
approximately $13.6 million. After the transaction, Glacier will have a market
capitalization exceeding $160 million, making it the largest publicly traded
banking institution headquartered in Montana, based upon market capitalization.

Financial Performance

Glacier Bancorp is one of only a handful of financial institutions nationwide to
receive an A+ rating from Standard & Poor's rating service. Since going public
in 1984, Glacier's shareholders have enjoyed a compound annual total return
exceeding 26%. As of September 30, 1997, Glacier had total assets of $575
million, with over $400 million in loans and $57 million in shareholders'
equity. For the twelve months ended September 30, Glacier generated net income
of $8.7 million, representing a 16.3% return on equity.

Valley Bank has produced strong and consistent growth during the past several
years; since 1994, assets, loans and earnings have increased at compound annual
growth rates of 12%, 21% and 17% respectively. As of September 30, 1997, Valley
had total assets of $70 million, with $45 million in loans and $5.7 million in
shareholders' equity. For the twelve months ended September 30, 1997, Valley
Bank generated net income of $1.0 million, representing an 18.4% return on
average equity.








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