ENERGY WEST INC
S-2, 1997-07-23
NATURAL GAS DISTRIBUTION
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<PAGE>
     AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION ON JULY   , 1997
                                                      REGISTRATION NO. 333-
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                            ------------------------
                                    FORM S-2
                             REGISTRATION STATEMENT
                                     UNDER
                           THE SECURITIES ACT OF 1933
                            ------------------------
                            ENERGY WEST INCORPORATED
 
             (Exact name of registrant as specified in its charter)
 
<TABLE>
<S>                                       <C>
               MONTANA                                  81-0141785
   (State or other jurisdiction of                   (I.R.S. Employer
    incorporation or organization)                Identification Number)
</TABLE>
 
                            ENERGY WEST INCORPORATED
                              1 FIRST AVENUE SOUTH
                           GREAT FALLS, MONTANA 59401
                                 (406) 791-7500
 
  (Address, including zip code, and telephone number, including area code, of
                   registrant's principal executive offices)
                           --------------------------
 
             LARRY D. GESKE, PRESIDENT AND CHIEF EXECUTIVE OFFICER
                            ENERGY WEST INCORPORATED
                              1 FIRST AVENUE SOUTH
                           GREAT FALLS, MONTANA 59401
                                 (406) 791-7500
 
 (Name, address, including zip code, and telephone number, including area code,
                             of agent for service)
                           --------------------------
 
                                   COPIES TO:
 
<TABLE>
<S>                                       <C>
         JOHN C. ALLEN, ESQ.                      JACK W. MANNING, ESQ.
          Corporate Counsel                        Dorsey & Whitney LLP
       Energy West Incorporated                    8 Third Street North
         1 First Avenue South                   Great Falls, Montana 59401
      Great Falls, Montana 59401                      (406) 727-3632
            (406) 791-7503
</TABLE>
 
                           --------------------------
 
        APPROXIMATE DATE OF COMMENCEMENT OF PROPOSED SALE TO THE PUBLIC:
AS SOON AS PRACTICABLE AFTER THE EFFECTIVE DATE OF THIS REGISTRATION STATEMENT.
                           --------------------------
 
    If any of the securities being registered on this Form are to be offered on
a delayed or continuous basis pursuant to Rule 415 under the Securities Act of
1933, check the following box: / /
 
    If the registrant elects to deliver its latest annual report to security
holders, or a complete and legible facsimile thereof, pursuant to Item 11(a)(1)
of this Form, check the following box: / /
 
    If this Form is filed to register additional securities for an offering
pursuant to Rule 462(b) under the Securities Act, please check the following box
and list the Securities Act registration statement number of the earlier
effective registration statement for the same offering: / /
 
    If this Form is a post-effective amendment filed pursuant to Rule 462(c)
under the Securities Act, check the following box and list the Securities Act
registration statement number of the earliest effective registration statement
for the same offering: / /
 
    If delivery of the prospectus is expected to be made pursuant to Rule 434,
please check the following box: / /
                           --------------------------
 
                        CALCULATION OF REGISTRATION FEE
 
<TABLE>
<CAPTION>
                                                                           PROPOSED             PROPOSED
                 TITLE OF EACH                        PROPOSED              MAXIMUM              MAXIMUM             AMOUNT OF
              CLASS OF SECURITIES                   AMOUNT TO BE        OFFERING PRICE          AGGREGATE          REGISTRATION
               TO BE REGISTERED                     REGISTERED(1)         PER UNIT(1)       OFFERING PRICE(1)           FEE
<S>                                              <C>                  <C>                  <C>                  <C>
  % Notes due June 1, 2012.....................      $8,000,000              100%              $8,000,000             $2,424
</TABLE>
 
(1) Estimated solely for the purposes of calculating the registration fee
    pursuant to Rule 457.
                           --------------------------
 
    THE REGISTRANT HEREBY AMENDS THIS REGISTRATION STATEMENT ON SUCH DATE OR
DATES AS MAY BE NECESSARY TO DELAY ITS EFFECTIVE DATE UNTIL THE REGISTRANT SHALL
FILE A FURTHER AMENDMENT WHICH SPECIFICALLY STATES THAT THIS REGISTRATION
STATEMENT SHALL THEREAFTER BECOME EFFECTIVE IN ACCORDANCE WITH SECTION 8(a) OF
THE SECURITIES ACT OF 1933 OR UNTIL THE REGISTRATION STATEMENT SHALL BECOME
EFFECTIVE ON SUCH DATE AS THE COMMISSION, ACTING PURSUANT TO SAID SECTION 8(a),
MAY DETERMINE.
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
INFORMATION CONTAINED HEREIN IS SUBJECT TO COMPLETION OR AMENDMENT. A
REGISTRATION STATEMENT RELATING TO THESE SECURITIES HAS BEEN FILED WITH THE
SECURITIES AND EXCHANGE COMMISSION. THESE SECURITIES MAY NOT BE SOLD NOR MAY
OFFERS TO BUY BE ACCEPTED PRIOR TO THE TIME THE REGISTRATION STATEMENT BECOMES
EFFECTIVE. THIS PROSPECTUS SHALL NOT CONSTITUTE AN OFFER TO SELL OR THE
SOLICITATION OF AN OFFER TO BUY NOR SHALL THERE BE ANY SALE OF THESE SECURITIES
IN ANY STATE IN WHICH SUCH OFFER, SOLICITATION OR SALE WOULD BE UNLAWFUL PRIOR
TO REGISTRATION OR QUALIFICATION UNDER THE SECURITIES LAWS OF ANY SUCH STATE.
<PAGE>
                   SUBJECT TO COMPLETION, DATED JULY 23, 1997
 
                                   $8,000,000
 
                            ENERGY WEST INCORPORATED
 
                             % NOTES DUE JUNE 1, 2012
 
                               ------------------
 
    Energy West Incorporated (the "Company") is offering hereby $8,000,000 in
original principal amount of its    % Notes due June 1, 2012 (the "Notes").
Interest on the Notes is payable semi-annually on June 1 and December 1 of each
year, commencing on December 1, 1997. All principal amount of Notes then
outstanding, plus accrued interest, will be due and payable on June 1, 2012. At
the option of the Company, the Notes are redeemable, in whole or in part, on or
after June 1, 2002, at the redemption prices set forth herein, plus accrued
interest to the date of redemption. There will be no sinking fund for the
redemption of the Notes. See "Description of Notes."
 
    There is no market for the Notes and no assurance that one will develop. The
Company does not intend to list the Notes for trading on any national securities
exchange.
 
    The Notes will initially be issued and represented solely by one or more
certificates that will be registered in the name of the nominee of The
Depository Trust Company or any successor depository (the "Depository"), and
such nominee will be the sole record holder of the Notes. An owner of an
interest in the Notes (a "Beneficial Owner") will not be entitled to the
delivery of a definitive security except in limited circumstances. A Beneficial
Owner's interest in the Notes will be recorded on the records of the
Depository's participants, in integral multiples of $1,000, and shall entitle
the Beneficial Owner to certain rights which may be exercised only through the
Depository and the Depository's book-entry system. See "Description of
Notes--Book-Entry Only System." At the option of the personal representative or
surviving joint tenant(s) of a deceased Beneficial Owner, interests in the Notes
are redeemable at 100% of their principal amount plus accrued interest, subject
to certain conditions and limitations described herein. See "Description of the
Notes--Limited Right of Redemption in the Event of the Death of a Beneficial
Owner."
 
    This Prospectus is accompanied by the Company's Annual Report on Form 10-KA
Amendment 2 for the fiscal year ended June 30, 1996 and Quarterly Report on Form
10-QA for the quarter ended March 31, 1997, which are incorporated by reference
herein. See "Incorporation of Certain Documents by Reference."
 
                            ------------------------
 
 THESE SECURITIES HAVE NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES AND
     EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION NOR HAS THE
     SECURITIES AND EXCHANGE COMMISSION OR ANY STATE SECURITIES COMMISSION
         PASSED UPON THE ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY
            REPRESENTATION TO THE CONTRARY IS A CRIMINAL OFFENSE.
 
<TABLE>
<CAPTION>
                                                              PRICE TO           UNDERWRITING          PROCEEDS TO
                                                               PUBLIC             DISCOUNT(1)          COMPANY(2)
<S>                                                      <C>                  <C>                  <C>
Per Note...............................................         100%                   %                    %
Total..................................................      $8,000,000                $                    $
</TABLE>
 
(1) The Company has agreed to indemnify the Underwriters against certain
    liabilities, including liabilities under the Securities Act of 1933, as
    amended. See "Underwriting."
 
(2) Before deducting expenses of this offering payable by the Company estimated
    at $105,000.
 
                            ------------------------
 
    The Notes are offered by the Underwriters, subject to prior sale, when, as
and if delivered to and accepted by the Underwriters and subject to certain
other conditions. The Underwriters reserve the right to withdraw, cancel or
modify such offer and to reject orders in whole or in part. The Notes will bear
interest from the date of delivery to the Underwriters, which is expected to be
on or about August   , 1997.
 
D. A. DAVIDSON & CO.  EDWARD D. JONES & CO., L.P.
 
               THE DATE OF THIS PROSPECTUS IS            , 1997.
<PAGE>
                             AVAILABLE INFORMATION
 
    The Company is subject to the informational requirements of the Securities
Exchange Act of 1934 (the "Exchange Act") and in accordance therewith files
reports, proxy and information statements, and other information with the
Securities and Exchange Commission (the "Commission"). Such reports, proxy and
information statements, and other information can be inspected and copied at the
public reference facilities maintained by the Commission at 450 Fifth Street,
N.W., Washington, D.C. 20549, and at the following Regional Offices of the
Commission: Seven World Trade Center, 13th Floor, New York, New York 10007 and
1400 Northwestern Atrium Center, 500 Madison Street, Chicago, Illinois 60661.
Copies of such material can also be obtained at prescribed rates by writing to
the Public Reference Section of the Commission at 450 Fifth Street, N.W.,
Washington, D.C. 20549. In addition, the Commission maintains a Web site that
contains reports, proxy and information statements and other information
regarding registrants that file electronically with the Commission; the address
of this site is http://www.sec.gov. Reports, proxy statements and other
information concerning the Company can also be inspected at the offices of The
Nasdaq Stock Market at 1735 K Street, N.W., Washington, D.C. 20006.
 
    The Company has filed a registration statement on Form S-2 (together with
all amendments and exhibits thereto, including documents and information
incorporated by reference, the "Registration Statement") with the Commission
under the Securities Act of 1933, as amended, with respect to the Notes offered
hereby. This Prospectus does not contain all of the information set forth in the
Registration Statement, certain parts of which are omitted in accordance with
the rules and regulations of the Commission. For further information, reference
is hereby made to the Registration Statement.
 
                INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
 
    The Company hereby incorporates by reference in this Prospectus the
following documents filed with the Commission (File No. 0-14183):
 
    (1) The Company's Annual Report on Form 10-KA Amendment 2 for the fiscal
        year ended June 30, 1996.
 
    (2) The Company's Quarterly Reports on Form 10-Q for the quarters ended
        September 30, 1996 and December 31, 1996 and the Company's Report on
        Form 10-QA for the quarter ended March 31, 1997.
 
    (3) All documents filed by the Company pursuant to Section 13(a), 13(c), 14
        or 15(d) of the Exchange Act subsequent to the date of this Prospectus
        and prior to the termination of the offering of the Notes hereby shall
        be deemed to be incorporated by reference in this Prospectus and to be a
        part hereof from the date of filing such documents.
 
    Any statement contained in a document incorporated by reference herein shall
be deemed to be modified or superseded for purposes of this Prospectus to the
extent that a statement contained herein modifies or supersedes such statement.
Any such statement so modified or superseded shall not be deemed, except as so
modified or superseded, to constitute a part of this Prospectus.
 
    The Company will provide without charge to each person, including any
beneficial owner, to whom a copy of this Prospectus is delivered, upon the
written or oral request of any such person, a copy of any or all of the
documents referred to above or elsewhere herein which have been incorporated by
reference in this Prospectus, other than exhibits to such documents (unless such
exhibits are specifically incorporated by reference into the information that
this Prospectus incorporates by reference). Written requests for such copies
should be directed to William J. Quast, Energy West Incorporated, P. O. Box
2229, Great Falls, Montana 59403-2229, telephone number (406) 791-7500.
 
                                       2
<PAGE>
                           FORWARD-LOOKING STATEMENTS
 
    This Prospectus contains forward-looking statements within the meaning of
Section 27A of the Securities Act of 1933, as amended, and Section 21E of the
Securities Exchange Act of 1934, as amended. When used in this Prospectus and in
future filings by the Company with the Securities and Exchange Commission, in
the Company's press releases and in oral statements made with the approval of an
authorized executive officer, the words or phrases "believes," "anticipates,"
"expects," "intends," "will likely result," "estimates," "projects" or similar
expressions are intended to identify such forward-looking statements, but are
not the exclusive means of identifying such statements. These forward-looking
statements involve risks and uncertainties that may cause the Company's actual
results to differ materially from the results discussed in the forward-looking
statements. In light of this, the Company wishes to caution readers not to place
undue reliance on any such forward-looking statements, which speak only as of
the date made. The Company undertakes no obligation to revise any
forward-looking statements in order to reflect events or circumstances after the
date of such statements. Readers are urged carefully to review and consider the
various disclosures made by the Company in this report and in the Company's
other reports filed with the Securities and Exchange Commission, all of which
attempt to advise interested parties of the risks and factors that may affect
the Company's business. Factors that might cause such differences include, but
are not limited to, the following: a deterioration in economic conditions in
either of the Company's primary service areas (the Great Falls, Montana
metropolitan area and the Cody, Wyoming metropolitan area); the failure to
obtain adequate rate increases for regulated operations, when requested, in a
timely fashion or at all; the risk of adverse effects from the unbundling of
utility services; and the impact of competition in those areas where the Company
or its subsidiaries conduct regulated or unregulated business. The Company's
forward-looking statements are qualified in their entirety by the cautions set
forth more fully under the section entitled "The Company."
 
                                       3
<PAGE>
                               PROSPECTUS SUMMARY
 
    THE INFORMATION SET FORTH BELOW SHOULD BE READ IN CONJUNCTION WITH AND IS
QUALIFIED IN ITS ENTIRETY BY THE DETAILED INFORMATION CONTAINED IN, AND THE
FINANCIAL STATEMENTS INCLUDED IN AND INCORPORATED BY REFERENCE INTO, THIS
PROSPECTUS. UNLESS OTHERWISE INDICATED, REFERENCES IN THIS PROSPECTUS TO THE
COMPANY INCLUDE ENERGY WEST INCORPORATED AND ITS SUBSIDIARIES.
 
                                  THE COMPANY
 
    Energy West Incorporated is a regulated public utility, with certain
non-utility operations conducted through its wholly-owned subsidiaries. In
fiscal year 1996, the Company's regulated utility operations accounted for
approximately 76% of revenues and 63% of earnings, with the Company's
non-utility operations accounting for the balance of the Company's revenues and
earnings.
 
    The Company's regulated utility operations primarily involve the
distribution and sale of natural gas to the public in the Great Falls, Montana
and Cody, Wyoming areas and the distribution of propane to the public through
underground propane vapor systems in the Payson, Arizona and Cascade, Montana
areas. Since 1995, the Company's regulated utility operations have also included
the distribution of natural gas through an underground system in West
Yellowstone, Montana that is supplied by liquified natural gas.
 
    The Company conducts certain non-regulated, non-utility operations through
three wholly-owned subsidiaries, Rocky Mountain Fuels, Inc. ("RMF"), Energy West
Resources ("EWR") and Montana Sun, Inc. ("Montana Sun"). RMF is engaged in the
distribution of bulk propane in northwestern Wyoming and the Payson, Arizona and
Cascade, Montana areas. EWR is principally involved in the marketing and storage
of gas in Montana. Montana Sun owns two real estate properties in Great Falls,
Montana, along with certain other investments.
 
                                  THE OFFERING
 
<TABLE>
<S>                                 <C>
Securities Offered................  $8,000,000 aggregate principal amount of   % Notes due
                                    June 1, 2012. The Notes will be unsecured obligations of
                                    the Company.
 
INTEREST PAYMENT DATES............  Semi-annually, on each June 1 and December 1, commencing
                                    December 1, 1997.
 
COMPANY'S REDEMPTION
  PRIVILEGE.......................  At the Company's option, beginning June 1, 2002, the
                                    Notes may be redeemed prior to maturity, in whole or in
                                    part, at redemption prices declining from 103% to 100%,
                                    plus accrued interest.
 
LIMITED BENEFICIAL OWNER
  REDEMPTION RIGHT................  Redeemable following the death of a Beneficial Owner at
                                    100%, plus accrued interest, subject to certain
                                    limitations.
 
USE OF PROCEEDS...................  The net proceeds from the sale of the Notes offered
                                    hereby will be used to repay a portion of the Company's
                                    outstanding short-term indebtedness, which currently
                                    aggregates approximately $9.0 million incurred to
                                    finance, among other things, the construction of
                                    facilities in West Yellowstone, Montana (approximately
                                    $3.0 million) and to expand facilities in Payson,
                                    Arizona (approximately $2.5 million). See "Use of
                                    Proceeds."
 
TRUSTEE...........................  Norwest Bank Minnesota, National Association, in
                                    Minneapolis, Minnesota. Summary Consolidated Financial
                                    Data.
</TABLE>
 
                                       4
<PAGE>
                      SUMMARY CONSOLIDATED FINANCIAL DATA
               (IN THOUSANDS, EXCEPT SHARE AND PER SHARE DATA)(1)
 
<TABLE>
<CAPTION>
                                        NINE MONTHS ENDED
                                            MARCH 31,                            YEARS ENDED JUNE 30,
                                      ----------------------  ----------------------------------------------------------
                                         1997        1996        1996        1995        1994        1993        1992
                                      ----------  ----------  ----------  ----------  ----------  ----------  ----------
<S>                                   <C>         <C>         <C>         <C>         <C>         <C>         <C>
STATEMENTS OF INCOME DATA:
  Total revenue.....................  $   34,175  $   25,687  $   31,318  $   30,548  $   29,347  $   27,629  $   22,951
  Total operating expenses..........      31,220      23,026      28,353      27,456      26,711      24,888      21,033
  Operating income..................       2,955       2,661       2,965       3,092       2,636       2,741       1,918
  Other income--net.................         332         142         215         175         199         139         113
  Income before interest charges and
    taxes...........................       3,287       2,803       3,180       3,267       2,835       2,880       2,031
  Total interest charges............       1,151         948       1,243         938         962         959         815
  Net income before income taxes....       2,136       1,855       1,937       2,329       1,873       1,921       1,216
  Income taxes......................         759         657         670         816         522         637         384
                                      ----------  ----------  ----------  ----------  ----------  ----------  ----------
  Net income........................  $    1,377  $    1,198  $    1,267  $    1,513  $    1,351  $    1,284  $      832
                                      ----------  ----------  ----------  ----------  ----------  ----------  ----------
                                      ----------  ----------  ----------  ----------  ----------  ----------  ----------
  Earnings per common share.........        $.59        $.52         $55        $.68        $.61        $.59        $.39
  Dividends per common share........         .32         .30         .41         .39         .36         .32         .31
  Weighted average common shares
    outstanding.....................   2,353,541   2,288,870   2,298,734   2,235,413   2,205,050   2,171,448   2,159,092
    Ratio of earnings to fixed
      charges(2)....................        2.33        2.48        2.28        3.01        2.81        2.86        2.37
    Pro forma ratio of earnings to
      fixed charges(2)(3)...........        2.29
</TABLE>
 
<TABLE>
<CAPTION>
                                                                                            MARCH 31, 1997
                                                                            ----------------------------------------------
                                                                                    ACTUAL              AS ADJUSTED(3)
                                                                            ----------------------  ----------------------
<S>                                                                         <C>        <C>          <C>        <C>
BALANCE SHEET DATA AND CAPITALIZATION:
  Total current assets....................................................  $  13,965               $  13,965
  Total assets............................................................     44,132                  44,537
                                                                            ---------               ---------
                                                                            ---------               ---------
  Total current liabilities...............................................  $  15,997         36%       8,402         19%
  Deferred credits........................................................      6,109         14        6,109         13
  Long-term debt (less amounts due in one year)...........................      9,685         22       17,685         40
  Total stockholders' equity..............................................     12,341         28       12,341         28
                                                                            ---------        ---    ---------        ---
    Total capitalization and liabilities..................................  $  44,132        100%   $  44,537        100%
                                                                            ---------               ---------        ---
                                                                            ---------               ---------        ---
</TABLE>
 
- ------------------------
 
(1) All share and per share data reflects a two-for-one stock split effective
    June 24, 1994.
 
(2) In computing the ratio of earnings to fixed charges, earnings consist of
    income before income taxes and fixed charges. Fixed charges include interest
    and related amortization of discount and premium on long-term borrowings,
    interest on short-term borrowings, the implicit interest component of the
    rental cost of the Company's office facilities in Cody, Wyoming and Payson,
    Arizona. Ratios for March 31, 1997 and March 31, 1996 were computed using
    trailing twelve month data.
 
(3) As adjusted to reflect the sale of the Notes offered hereby at an assumed
    interest rate of 7.50% and the application of the net proceeds therefrom.
 
                                       5
<PAGE>
                                  THE COMPANY
 
GENERAL
 
    Energy West Incorporated (the "Company") is a regulated public utility, with
certain non-utility operations conducted through its wholly-owned subsidiaries.
In fiscal year 1996, the Company's regulated utility operations accounted for
approximately 76% of revenues and 63% of earnings, with the Company's
non-utility operations accounting for the balance of the Company's revenues and
earnings.
 
    The Company's regulated utility operations primarily involve the
distribution and sale of natural gas to the public in the Great Falls, Montana
and Cody, Wyoming areas and the distribution of propane to the public through
underground propane vapor systems in the Payson, Arizona and Cascade, Montana
areas. Since 1995, the Company's regulated utility operations have also included
the distribution of natural gas through an underground system in West
Yellowstone, Montana that is supplied by liquified natural gas ("LNG").
 
    The Company conducts certain non-regulated, non-utility operations through
three wholly-owned subsidiaries, Rocky Mountain Fuels, Inc. ("RMF"), Energy West
Resources, Inc. ("EWR") and Montana Sun, Inc. ("Montana Sun"). RMF is engaged in
the distribution of bulk propane in northwestern Wyoming and the Payson, Arizona
and Cascade, Montana areas. EWR is involved in the marketing of gas in Montana
and Wyoming, gas storage and a small amount of oil and gas production. Montana
Sun owns two real estate properties in Great Falls, Montana, along with certain
other investments.
 
    The Company was incorporated under the laws of the State of Montana in 1909.
The address of the principal executive offices of the Company is No. 1 First
Avenue South, Great Falls, Montana 59401 and the telephone number at such
offices is (406) 791-7500.
 
PRIMARY SERVICE AREAS AND SIGNIFICANT CUSTOMERS
 
    The Company's primary service areas are the Great Falls, Montana
metropolitan area and the Cody, Wyoming metropolitan area. As such, the
Company's future revenues and earnings are dependent on economic conditions in
these two areas. The Great Falls economy is primarily dependent on agriculture,
Malmstrom Air Force Base ("Malmstrom") and the city's role as a regional trade
and medical center. The Cody economy is primarily dependent on oil and gas
development and production and on tourism. A deterioration in economic
conditions in either of these areas or any of these industries, including the
reduction in size or closure of Malmstrom, would have an adverse effect on the
Company's future results of operations and financial condition.
 
    Malmstrom, which is located near Great Falls, is a transportation customer
of the Great Falls division and a gas supply customer of EWR. Malmstrom is the
Company's largest customer, accounting for approximately 4% of the consolidated
revenues of the Company in fiscal 1996. Malmstrom has several wings of
intercontinental nuclear missiles. At September 30, 1996, the base employed
approximately 3,900 military personnel and 465 civilian personnel.
 
    In the Cody division, the largest customer is The Celotex Corporation
("Celotex"), a manufacturer of gypsum wallboard. Celotex accounted for
approximately 23% of the revenues of the division and 4% of the consolidated
revenues of the Company in fiscal 1996. Sales to Celotex are made pursuant to a
long-term contract that expires in 2000 and provides for a special tariff that
fluctuates with the cost of gas. Celotex and its parent company have been
operating under Chapter 11 bankruptcy protection since 1990. The Cody division
has made a claim of approximately $132,000 for amounts Celotex owed the Company
prior to the bankruptcy filing. The bankruptcy court confirmed the Plan of
Reorganization on December 6, 1996. The Company expects to receive approximately
90% of the principal amount of its claim, resulting in a $45,000 recovery of
amounts previously written off.
 
                                       6
<PAGE>
    There can be no assurance that either of Malmstrom or Celotex will continue
as customers of the Company or that their usage will remain at current levels.
The loss of either would adversely impact the Company's future revenues and
earnings. In addition, a significant reduction in the size or the closure of
Malmstrom would have a significant adverse impact on the economic condition of
the Great Falls area.
 
CHANGING COMPETITIVE ENVIRONMENT
 
    In recent years, the natural gas industry has undergone structural changes
in response to Federal and state regulatory policies intended to increase
competition, which began in 1986 when the Federal Energy Regulatory Commission
issued Order 636. These policies are designed to separate, or "unbundle,"
various natural gas services (such as purchasing, storage and transportation),
which traditionally had been sold as a package. In Montana, the first unbundling
occurred in 1992 when the Montana Public Service Commission approved
transportation service rates applicable to third party use of the Montana Power
pipeline system. In response to federal and Montana regulation, the Company
began purchasing gas in 1992 directly from producers and marketers for the
Company's Great Falls market. Great Falls Gas Company has recently received
approval to unbundle the gas commodity aspect of its utility services for all of
its customers except for residential customers and small commercial customers.
Great Falls Gas Company intends to apply to the Montana Public Service
Commission for permission to unbundle the gas commodity aspect of those two
classes of customers effective as of approximately the fall of 1998.
 
    The Montana Legislature recently passed legislation permitting unbundling
for both gas and electric utilities upon approval of the Montana Public Service
Commission. The Company believes the new legislation will present EWR, the
Company's marketing affiliate, with an opportunity to increase its sales by
penetrating markets opened as a result of the unbundling of Montana Power
Company's system. As a result of the legislation, EWR also has the opportunity
to market electricity.
 
    Wyoming and Arizona have not taken steps to unbundle gas services, but a
pilot project has been conducted recently in one area of Wyoming. The Company
anticipates that it will apply for unbundling in Wyoming and Arizona in the
future when unbundling is authorized by regulatory authorities in those states.
 
    Unbundling provides for competition in the sale of the gas commodity which
has traditionally been part of the bundled service provided by the utility. The
Company believes that unbundling creates opportunity for its marketing affiliate
in a line of business in which the Company has significant experience. However,
unbundling also provides other gas marketing companies with access to users
within the Company's service territory that were previously "tied" to the
Company. To the extent that other gas marketing companies offer more attractive
rates, customers of the Company could decide to purchase natural gas from a
competitor or from competitors. In such instances, however, the Company's local
distribution companies ("LDCs") LDCs would continue to receive transportation
tariffs related to the delivery, through the Company's distribution system, of
the gas purchased from third parties. It is not possible to predict the impact
of unbundling on the Company. However, at this time, the Company does not
anticipate that unbundling is likely to have a significant adverse impact on its
gas utility margin in the foreseeable future. The Company's belief is based, in
part, upon the fact that margin is derived from services related to the
distribution of the gas rather than the sale of the gas commodity (i.e. the
Company's regulated utility divisions are required, with the exception of the
gas cost incentive allowance in its Cody division, to pass along the actual cost
of purchased gas directly to the customer). It is also possible that unbundling
may increase the risk of "bypass," in which a customer formerly served by the
Company connects to a gas supply line that does not belong to the Company's LDC,
with the resulting loss of both gas supply and transportation revenues related
to such customer. While no alternate supply lines of this sort currently exist
in either the Company's Great Falls, Montana service area or the Company's Cody,
Wyoming service area, and there would be capital costs to construct such lines,
there can be no assurance that such lines will not be built in the future.
 
                                       7
<PAGE>
    The Company's operations in the West Yellowstone, Montana area, where the
Company distributes gas that must be trucked in and stored as liquified natural
gas prior to delivery, and in the Payson, Arizona and Cascade, Montana areas,
where the Company's distribution systems deliver vaporized propane, may be less
affected by unbundling. The cost of fuel delivered by these systems is higher
than the cost of natural gas that is transported as a gas. Consequently, in
these areas the Company currently already faces greater competition, which is
unrelated to unbundling, from suppliers of alternate fuels, in particular
suppliers of bulk propane and propane tanks.
 
    As the natural gas distribution business becomes more competitive,
management believes the principal factor for determining success is likely to be
price, followed closely by customer loyalty and satisfaction.
 
REGULATION AND RATE CASES
 
    The Company is an operating public utility regulated by the public service
commissions of Montana, Wyoming and Arizona, which must approve rates charged by
the Company for its regulated utility divisions. There can be no assurance that
these divisions will be able to obtain adequate rate increases, when requested,
in a timely fashion or at all. The failure to do so could adversely effect the
Company's ability to obtain a sufficient return on invested capital and its
future revenues and earnings.
 
    The Company currently has a general rate case pending in Arizona. On
September 26, 1996 the Company filed for a rate increase for Broken Bow Gas (a
regulated utility in Payson, Arizona). The request is the result of increased
costs of service primarily due to increased operating expenses and higher
capital investment for utility operations tied to increased levels of service.
The Company currently anticipates that a final ruling will be issued in October
1997. There can be no assurance that the Company will receive permission to
increase its general rates to the level requested.
 
    On July 8, 1996, the Company filed a general rate case with the Montana
Public Service Commission, requesting a revenue increase for its Great Falls Gas
operations. On November 4, 1996, the Montana Public Service Commission issued an
interim order that approved an interim rate increase and a surcharge related to
the costs of a no interest loan program. On April 8, 1997, the Montana Public
Service Commission issued its final order which, among other things, (a)
approved a general rate increase of $294,635, (b) authorized a rate increase of
$385,906 to reflect the gas tracking period from July 1, 1995, to June 30, 1996,
(c) approved a surcharge for costs associated with the Company's no interest
loan program, and (d) authorized recovery of $66,725 for costs associated with
the Company's low income discount program. Such rates are effective on and after
May 1, 1997.
 
                                USE OF PROCEEDS
 
    The net proceeds to the Company from the sale of the Notes offered hereby
(estimated at $      ) will be used to repay a portion of the Company's
outstanding short-term indebtedness, which currently aggregates approximately
$9.0 million. The short-term indebtedness, which bears interest at rates between
7.70% and 8.25% per annum and matures on dates ranging from August 13, 1997 to
January 15, 1998, was incurred largely to finance the construction of the
Company's facilities in West Yellowstone, Montana (approximately $3.0 million)
and to expand the Company's facilities in Payson, Arizona (approximately $2.5
million).
 
                                       8
<PAGE>
                                 CAPITALIZATION
 
    The following table sets forth the actual capitalization and short-term
indebtedness of the Company and its subsidiaries as of March 31, 1997, and such
capitalization and short-term indebtedness adjusted to reflect the issuance of
the Notes offered hereby and the application of the net proceeds therefrom.
 
<TABLE>
<CAPTION>
                                                                                            MARCH 31, 1997
                                                                            ----------------------------------------------
                                                                                    ACTUAL               AS ADJUSTED
                                                                            ----------------------  ----------------------
                                                                                            (IN THOUSANDS)
<S>                                                                         <C>        <C>          <C>        <C>
Long-term obligations (1):
  Series 1992A industrial development revenue obligations.................  $     360               $     360
  Series 1992B industrial development revenue obligations.................      1,515                   1,515
  Series 1993 Notes.......................................................      7,800                   7,800
  Notes due June 1, 2012..................................................          0                   8,000
  Other...................................................................         10                      10
                                                                            ---------        ---    ---------        ---
    Total long-term obligations...........................................  $   9,685         44%   $  17,685         59%
 
Stockholders' equity:
  Preferred Stock; $.15 par value; 1,500,000 shares authorized; no shares
    outstanding...........................................................  $       0               $       0
  Common Stock; $.15 par value; 3,500,000 shares authorized; 2,357,471
    shares issued and outstanding.........................................        354                     354
  Capital in excess of par value..........................................      2,933                   2,933
  Retained earnings.......................................................      9,054                   9,054
                                                                            ---------               ---------
    Total stockholders' equity............................................     12,341         56%      12,341         41%
                                                                            ---------        ---    ---------        ---
Total capitalization......................................................     22,026        100%   $  30,026        100%
                                                                            ---------        ---    ---------        ---
                                                                            ---------        ---    ---------        ---
Short-term indebtedness (1)...............................................  $  10,407               $   2,812
                                                                            ---------               ---------
</TABLE>
 
- ------------------------
 
(1) Long-term obligations due within one year are included in short-term
    indebtedness.
 
                                       9
<PAGE>
                              DESCRIPTION OF NOTES
 
    The Notes are to be issued under an Indenture, dated as of June 1, 1997 (the
"Indenture"), between the Company and Norwest Bank Minnesota, National
Association, Minneapolis, Minnesota, as Trustee (the "Trustee"), a copy of which
has been filed as an exhibit to the Registration Statement of which this
Prospectus is a part. The terms of the Notes include those stated in the
Indenture and those made a part of the Indenture by reference to the Trust
Indenture Act of 1939 (the "Trust Indenture Act") as in effect on the date of
the Indenture. Potential investors are referred to the Indenture and the Trust
Indenture Act for a statement of such terms. The following statements relating
to the Notes and certain provisions of the Indenture are summaries, do not
purport to be complete, and are subject to and are qualified in their entirety
by reference to the provisions of the Indenture. Unless otherwise stated,
capitalized terms defined in the Indenture have the same meanings when used
herein.
 
GENERAL
 
    The Notes will be unsecured obligations and will rank, PARI PASSU, with all
of the other unsecured indebtedness of the Company outstanding from time to
time. The Company presently has no long-term secured indebtedness, and pursuant
to the Indenture the Company has agreed, subject to certain exceptions, that it
will not issue senior secured indebtedness without securing the Notes with a
lien ranking ratably with and equal to such secured indebtedness. See
"Description of Notes--Restrictions on Liens or Senior Indebtedness." The Notes
will not constitute indebtedness of the Company's subsidiaries and, therefore,
will not rank PARI PASSU with indebtedness of any subsidiary. Following the
issuance of the Notes offered hereby, the Company's consolidated long-term
indebtedness will be approximately $17 million. There will be no sinking fund
for the redemption of the Notes.
 
    So long as the Company is a reporting company under the Exchange Act, the
Company will furnish to holders of the Notes annual reports of the Company
containing audited financial statements and interim reports with unaudited
financial data on a quarterly basis. If the Company ceases to be a reporting
company under the Exchange Act, the Company will furnish to holders of the Notes
information which is substantially comparable to the information provided as a
reporting company.
 
BOOK-ENTRY ONLY SYSTEM
 
    The Notes will be issued in the aggregate initial principal amount of
$8,000,000, which will be represented by one or more certificates (each a
"Global Security") to be registered in the name of the nominee of The Depository
Trust Company ("DTC") or any successor depository (the "Depository"). The
Depository will maintain the Notes in denominations of $1,000 and integral
multiples thereof through its book-entry facilities. In accordance with its
normal procedures, the Depository will record the interests of each Depository
participating firm ("Participant") in the Notes, whether held for its own
account or as a nominee for another person.
 
    So long as the nominee of the Depository is the registered owner of the
Notes, such nominee will be considered the sole owner or holder of the Notes for
all purposes under the Indenture and any applicable laws, except as noted below.
Except as otherwise provided below, a Beneficial Owner, as hereinafter defined,
of interests in the Notes will not be entitled to receive a physical certificate
representing such ownership interest and will not be considered an owner or
holder of the Notes under the Indenture. A Beneficial Owner is the Person who
has the right to sell, transfer or otherwise dispose of an interest in the Notes
and the right to receive the proceeds therefrom, as well as interest, principal
and premium (if any) payable in respect thereof. A Beneficial Owner's interest
in the Notes will be recorded, in integral multiples of $1,000, on the records
of the Participant that maintains such Beneficial Owner's account for such
purpose. In turn, the Participant's interest in such Notes will be recorded, in
integral multiples of $1,000, on the records of the Depository. Therefore, the
Beneficial Owner must rely on the foregoing arrangements to evidence its
interest in the Notes. Beneficial ownership of the Notes may be transferred
 
                                       10
<PAGE>
only by compliance with the procedures of a Beneficial Owner's Participant
(E.G., brokerage firm) and the Depository.
 
    All rights of ownership must be exercised through the Depository and the
book-entry system, except that a Beneficial Owner is entitled to directly
exercise its rights under Section 316(b) of the Trust Indenture Act with respect
to the payment of principal and interest on the Notes. Notices that are to be
given to registered owners by the Company or the Trustee will be given only to
the Depository. It is expected that the Depository will forward the notices to
the Participants by its usual procedures, so that each such Participant may
forward such notices to the Beneficial Owners. Neither the Company nor the
Trustee will have any responsibility or obligation to assure that any notices
are forwarded by the Depository to the Participants or by any Participant to the
Beneficial Owners.
 
    A Global Security shall only be exchangeable for definitive securities
registered in the name of Beneficial Owners if (i) the Depository notifies the
Company that it is unwilling or unable to continue as Depository for the Notes
or at any time ceases to be a clearing agency registered as such under the
Exchange Act, (ii) the Corporation executes and delivers to the Trustee an
Officers' Certificate providing that such Global Security shall be so
exchangeable or (iii) there shall have occurred and be continuing an Event of
Default (as defined below) which entitles the holders of the Notes to accelerate
the maturity thereof. Notes issued in exchange for a Global Security shall be of
like tenor and maturity, in authorized denominations and in the aggregate having
the same principal amount as the Global Security to be exchanged, and shall be
registered in such names as the Depository for such Global Security shall
direct.
 
    DTC has advised the Company and the Underwriters as follows: DTC is a
limited-purpose trust company organized under the Banking Law of the State of
New York, a member of the Federal Reserve System and a "clearing agency"
registered pursuant to the provisions of Section 17A of the Exchange Act. DTC
holds securities of Participants and facilitates the clearance and settlement of
securities transactions among Participants in such securities transactions
through electronic book-entry changes in accounts of Participants, thereby
eliminating the need for physical movement of securities certificates.
Participants include securities brokers and dealers (including the
Underwriters), banks, trust companies, clearing corporations and certain other
organizations, some of whom (and/or their representatives) own DTC. Access to
DTC's book-entry system is also available to others, such as banks, brokers,
dealers and trust companies that clear through or maintain a custodial
relationship with a Participant, either directly or indirectly. Persons who are
not Participants may beneficially own securities held by DTC only through
Participants.
 
INTEREST AND PAYMENT
 
    The Notes will mature on June 1, 2012. The Notes will bear interest from the
date of issuance at the rate per annum stated on the cover page hereof, payable
semi-annually on June 1 and December 1 of each year, commencing December 1,
1997, to the persons in whose names the Notes are registered at the close of
business on the May 15 or November 15, respectively, next preceding such
interest payment date. If any payment date would otherwise be a day that is not
a Business Day, the payment will be postponed to the next day that is a Business
Day, and no interest on such payment shall accrue for the period from and after
such otherwise schedule payment date for the purposes of the payment to be made
on such next succeeding Business Day.
 
    So long as the nominee of the Depository is the registered owner of the
Notes, payments of interest, principal and premium (if any) on the Notes will be
made to the Depository. The Depository will be responsible for crediting the
amount of such distributions to the accounts of the Participants entitled
thereto, in accordance with the Depository's normal procedures. Each Participant
will be responsible for disbursing such distributions to the Beneficial Owners
of the interests in Notes that it represents. Neither the Company nor the
Trustee will have any responsibility or liability for any aspect of the records
relating to, notices to or payments made on account of, beneficial ownership
interests in the Notes, for maintaining,
 
                                       11
<PAGE>
supervising or reviewing any records relating to such beneficial ownership
interests or for the selection of any Beneficial Owner to receive payment in the
event of a partial redemption of a Global Security or for consents given or
other action taken on behalf of any Beneficial Owner.
 
REDEMPTION AT THE OPTION OF THE COMPANY
 
    At any time on or after June 1, 2002, the Notes will be redeemable, as a
whole or in part, at the election of the Company, on not less than 30 nor more
than 60 days notice given as provided in the Indenture, at the following
Redemption Prices (expressed as percentages of the principal amount) together
with accrued interest to the Redemption Date (subject to the right of holders of
record on a regular record date to receive interest due on an interest payment
date that is on or prior to the Redemption Date) if redeemed during the
twelve-month period beginning June 1 of the years indicated:
 
<TABLE>
<CAPTION>
                                             REDEMPTION                                                  REDEMPTION
YEAR                                           PRICE %      YEAR                                           PRICE %
- -----------------------------------------  ---------------  -----------------------------------------  ---------------
<S>                                        <C>              <C>                                        <C>
2002.....................................           103     2004.....................................           101
2003.....................................           102     2005 and thereafter......................           100
</TABLE>
 
    Notice of redemption will be mailed, at least 30 days before the Redemption
Date, to each holder of Notes to be redeemed at the holder's registered address.
 
    On and after the Redemption Date, interest will cease to accrue on Notes or
portions thereof called for redemption, unless the Company shall default in the
payment of the Redemption Price.
 
LIMITED RIGHT OF REDEMPTION IN THE EVENT OF THE DEATH OF A BENEFICIAL OWNER
 
    Unless the Notes have been declared due and payable prior to their maturity
by reason of an Event of Default (as defined below) or unless the Company has
mailed a notice of redemption, the Representative (as defined below) of a
deceased Beneficial Owner has the right at any time to request redemption of all
or part of such Beneficial Owner's interest in the Notes, expressed in integral
multiples of $1,000, for payment prior to maturity. Such a request shall be made
by delivering to the Trustee (i) a written request for redemption in form
satisfactory to the Trustee, signed by the personal representative or surviving
joint tenant(s) of the Beneficial Owner (the "Representative"), (ii) a statement
of the principal amount of the interest in the Notes to be redeemed, (iii)
appropriate evidence of death and beneficial ownership at the time of death and
(iv) appropriate evidence of the authority of such Representative (a "Redemption
Request"). Within 60 days following receipt by the Trustee of a Redemption
Request, the Company will redeem such interest at a price equal to 100% of their
principal amount, plus accrued interest to the date on which it deposits such
redemption price. Subject to arrangements with the Depository, payment for an
interest in the Notes that is to be redeemed pursuant to a Redemption Request
shall be made to the Depository.
 
    The Company's obligation to redeem an interest in the Notes following
receipt of a Redemption Request is subject to the following limitations: (i) the
Company is not obligated to redeem on behalf of any deceased Beneficial Owner
any interest in the Notes that exceeds an aggregate principal amount of $25,000
and (ii) in any 12-month period beginning June 1 the Company shall not be
obligated to redeem interests in the Notes in excess of two percent (2%) of the
aggregate principal amount of the Notes originally issued. Representatives may
present Redemption Requests to the Trustee at any time and in any principal
amount. Any interests in Notes that are not redeemed in any 12-month period
beginning June 1 as the result of the two percent (2%) limitation will be held
for redemption in the succeeding year. The Company may, at its discretion,
exceed the $25,000 and two percent (2%) limitations. If the Company, although
not obligated to do so, chooses to redeem interests of a deceased Beneficial
Owner in excess of the $25,000 limitation, such redemption, to the extent that
it exceeds the $25,000 limitation, shall not be included in the computation of
the two percent (2%) limitation.
 
                                       12
<PAGE>
    In the case of a Redemption Request that is presented on behalf of a
deceased Beneficial Owner and has not been fulfilled at such time as the Company
gives notice of its election to redeem the Notes, the interests in the Notes
that are the subject of such Redemption Request shall not be eligible for
redemption pursuant to the Company's option to redeem but shall remain subject
to fulfillment pursuant to the Redemption Request.
 
    A Representative may withdraw any Redemption Request by delivering a written
request for withdrawal to the Trustee prior to the payment of the redemption
price of the interest to be redeemed.
 
    Due to the limitations outlined above, there can be no assurance that the
interest of a deceased Beneficial Owner will be redeemed before maturity.
 
RESTRICTIONS ON ADDITIONAL INDEBTEDNESS
 
    The Indenture limits the amount of "Funded Debt" of the Company. Funded Debt
includes all Indebtedness maturing one year or more from the date of the
creation thereof. Expressly excluded from the definition of Funded Debt are all
taxes in respect of income and excess profits not due within one year from the
date of accrual thereof in accordance with generally accepted accounting
principles. "Indebtedness" is defined as (i) all amounts in respect of borrowed
money (excluding capital stock, earned and capital surplus and general
contingency reserves) which would be shown on the liabilities side of the
Company's balance sheet prepared in accordance with generally accepted
accounting principles as of the date of determination of such Indebtedness; (ii)
all indebtedness secured by any mortgage, pledge, lien, security interest or
conditional sale or other title retention agreement to which any property or
asset owned or held by the Company is subject, whether or not the indebtedness
secured thereby shall have been assumed; (iii) all capitalized lease
obligations; and (iv) all indebtedness of others which the Company has
guaranteed. For the purpose of computing Indebtedness, any particular
Indebtedness shall be excluded to the extent that, upon or prior to the maturity
thereof, there shall have been deposited with the proper depository in trust the
necessary funds, or evidences of such Indebtedness if permitted by the
instrument creating such Indebtedness, for the payment, redemption or
satisfaction of such Indebtedness. The Company covenants in the Indenture that
it will not create, incur or assume any additional Funded Debt unless (i)
Consolidated Net Income Available for Interest Charges (consolidated net income
for any period, plus all amounts deducted in the computation thereof on account
of interest charges on consolidated indebtedness and taxes in respect of income
and excess profits for such period) in two of the three preceding fiscal years
shall have exceeded 150 percent of the Pro Forma Annual Interest Charges of the
Company and its Subsidiaries (if the proceeds from the additional Funded Debt
are to be used to acquire an operating company which will become a Subsidiary of
the Company, Consolidated Net Income Available for Annual Interest Charges will
be determined as if such company had been a Subsidiary of the Company during the
three preceding years), and (ii) Consolidated Funded Debt of the Company, after
giving effect to the additional Funded Debt to be incurred, will not exceed 65%
of Total Capitalization of the Company (after giving effect to the additional
Funded Debt and the use of proceeds therefrom). Except with respect to the
foregoing, there is no limitation in the Indenture on the right of the Company
to issue additional debt that is on a parity with the Notes.
 
    Under the foregoing restriction, and after giving effect to the sale of the
Notes offered hereby, the Company could have incurred approximately $7 million
of additional Funded Debt at March 31, 1997.
 
RESTRICTIONS ON DIVIDENDS AND OTHER DISTRIBUTIONS
 
    The Company covenants in the Indenture that it will not declare or pay any
dividends (other than dividends payable only in shares of Common Stock or in
rights to purchase capital stock of the Company) on, or set apart any sum for
the payment of any dividends on, or make any other distribution, by reduction of
capital or otherwise, in respect of, any shares of any class of capital stock of
the Company unless after giving effect to such action the aggregate amount of
dividend payments and related distributions made in
 
                                       13
<PAGE>
the immediately preceding 60-month period would not exceed Consolidated Net
Income of the Company and its Subsidiaries for such period.
 
RESTRICTIONS ON SALE OF ASSETS
 
    The Company covenants in the Indenture that it will not directly or
indirectly sell or otherwise dispose of any of its properties or assets (except
properties or assets (i) disposed of in the ordinary course of business, (ii)
which the Company determines in good faith are no longer usable or of economic
advantage in the conduct of any business by the Company or any Subsidiary or
(iii) transferred by any Subsidiary to the Company or a Subsidiary) if, as a
result of such sale or other disposition, the aggregate net book value of all
properties and assets so disposed of during the twelve-month period next
preceding the date of such sale or other disposition would constitute more than
15% of the aggregate book value (on a consolidated basis) of all Tangible Assets
of the Company and its Subsidiaries; provided, however, that any such sale may
be disregarded if the proceeds therefrom are reinvested within twelve months in
businesses related to the business of the Company or are used to prepay the
Notes in accordance with their terms. "Tangible Assets" are defined as all
assets other than those which would be treated as intangibles under generally
accepted accounting principles, including as intangibles such items as, without
limitation, goodwill, trademarks, trade names, service marks, brand names,
copyrights, patents, licenses and rights with respect to the foregoing,
unamortized debt discount and expense and organization expense.
 
RESTRICTIONS ON LIENS OR SECURED INDEBTEDNESS
 
    The Company covenants in the Indenture that neither it nor its Subsidiaries
will directly or indirectly, create, incur, assume or permit to exist any
mortgage, lien, charge or encumbrance on, or security interest in, or pledge of,
or conditional sale or other title retention agreement (all such mortgages,
liens, charges, encumbrances, security interests, pledges and agreements being
hereinafter referred to in this paragraph as "liens") with respect to any
property or asset (including any document or instrument in respect of goods or
accounts receivable) now owned or hereafter acquired by the Company or any
Subsidiary, or any interest therein or income or profits therefrom, without
equally and ratably securing the Notes with a lien ranking ratably with, and
equal to, such secured indebtedness; provided, however, that such restrictions
will not prohibit: (i) liens for taxes, assessments or governmental charges or
claims the payment of which is at the time being contested in accordance with
the provisions of the Indenture; (ii) statutory liens of landlords and liens of
carriers, warehousemen, mechanics and materialmen incurred in the ordinary
course of business for sums not yet due or being contested in good faith and by
appropriate proceedings promptly initiated and diligently conducted, if such
reserve or other appropriate provision, if any, as shall be required by
generally accepted accounting principles shall have been made therefor and if no
material items of property would be lost, forfeited or materially damaged as a
result of such contest; (iii) liens incurred or deposits made in the ordinary
course of business in connection with workmen's compensation, unemployment
insurance and other types of social security, or to secure the performance of
tenders, statutory obligations, surety and appeal bonds, bids, leases,
performance and return-of-money bonds and other similar obligations (exclusive
of obligations for the payment of borrowed money); (iv) any judgment lien,
unless the judgment it secures shall not, within 60 days after the entry
thereof, have been discharged or execution thereof stayed pending appeal or
shall not have been discharged within 60 days after the expiration of any such
stay; (v) leases or subleases granted to others in the ordinary course of
business and not interfering with the ordinary conduct of the business of the
Company or any Subsidiary; (vi) easements, rights of way, restrictions and other
similar charges or encumbrances incurred in the ordinary course of business and
not interfering with the ordinary conduct of the business of the Company or any
Subsidiary; (vii) liens on the property or assets of any Subsidiary securing
Indebtedness of such Subsidiary owing to the Company; (viii) liens to secure the
purchase price or construction cost of capital assets acquired by or constructed
for the Company or any Subsidiary after the date of the Indenture or existing on
assets of the Company or any Subsidiary acquired at the time of acquisition
provided that (a) each such lien shall at all times be confined solely to the
asset in question, (b) the aggregate principal amount of Indebtedness
 
                                       14
<PAGE>
secured by any such lien shall not exceed 100% of the cost of the acquisition or
construction of the asset subject thereto or the fair market value of such
asset, whichever is lower and (c) any such lien on any property acquired,
constructed or improved by the Company or any Subsidiary after the date of the
Indenture shall be created or assumed contemporaneously with, or within 180 days
after, such acquisition, or completion of such construction or improvement, or
within six months thereafter pursuant to a firm commitment for financing
arranged with a lender or investor within such 180 day period; and (ix) any
other liens or charges securing indebtedness not exceeding $1,000,000 in the
aggregate.
 
SUCCESSOR CORPORATION
 
    Under the Indenture, the Company may not consolidate with or merge into or
convey or lease all or substantially all of its assets to another entity, unless
immediately after such transaction, no Event of Default (as defined below) will
exist and such other entity, where the Company is not the surviving corporation,
assumes all the obligations of the Company under the Notes and the Indenture and
has a net worth immediately subsequent to such acquisition, consolidation or
merger equal to or greater than $10,000,000.
 
    Subject to the foregoing restrictions, restrictions on Funded Debt described
above and restrictions on liens and secured indebtedness described above, the
Indenture does not afford any protection to Beneficial Owners solely on account
of the Company's involvement in a highly-leveraged transaction.
 
DEFAULTS AND REMEDIES
 
    An "Event of Default" is defined as default for 30 days in payment of
interest on the Notes, default in payment of principal (or premium, if any) on
the Notes, failure by the Company to comply with any of its other agreements in
the Indenture which remains uncured for 60 days after notice, acceleration of
certain indebtedness of the Company or its Subsidiaries under the terms of any
instrument under which indebtedness of $1,000,000 or more is outstanding or
secured and certain events of bankruptcy or insolvency.
 
    The Indenture provides that the Trustee, within 90 days after the occurrence
of a Default which is continuing and known to it, shall give notice thereof to
the holders of the Notes, provided that, except in the case of a Default in the
payment of principal or interest on any of the Notes, the Trustee shall be
protected in withholding such notice if it in good faith determines that the
withholding of such notice is in the interests of the holders of the Notes.
 
    In case an Event of Default shall occur and be continuing, the Trustee or
the holders of at least 25% in aggregate principal amount of the Notes then
outstanding, by notice in writing to the Company, may declare all unpaid
principal and accrued interest on the Notes then outstanding to be due and
payable immediately. Any such acceleration may be rescinded by the holders of a
majority in principal amount of the Notes then outstanding, upon the conditions
provided in the Indenture.
 
    Defaults may be waived by the holders of a majority of the principal amount
of the Notes, upon the conditions provided in the Indenture, except for (i) an
uncured default in payment of or interest on the Notes, (ii) an uncured failure
to make any redemption payment or (iii) an uncured default with respect to a
provision which cannot be modified under the terms of the Indenture without the
consent of each holder affected.
 
    The Indenture includes a covenant that the Company will file annually with
the Trustee a statement regarding compliance by the Company with the terms
thereof and specifying any defaults by the Company of which the signers may have
knowledge.
 
                                       15
<PAGE>
MODIFICATION OF THE INDENTURE
 
    Modifications and amendments of the Indenture which materially affect the
rights of the holders of the Notes may be made by the Company and the Trustee
only with the consent of the holders of not less than a majority in principal
amount of the Notes then outstanding, provided that no such modification or
amendment may change the stated maturity of any Note, or reduce the principal
amount of or interest rate on any Note, or change the interest payment date or
otherwise modify the terms of the principal of or interest on the Notes, or
change the sinking fund obligations of the Company, or reduce the percentage
required for modification, or modify certain other provisions of the Indenture,
without the consent of each holder of any Note affected thereby.
 
DISCHARGE OF THE INDENTURE
 
    The Indenture will be discharged and canceled upon payment of all the Notes
or upon deposit with the Trustee of funds or U.S. Government Obligations
sufficient to pay the principal of and interest on the Notes as they mature
prior to redemption or payment.
 
CONCERNING THE TRUSTEE
 
    Norwest Bank Minnesota, National Association will be the Trustee under the
Indenture. Its address is Norwest Center, Sixth Street and Marquette Avenue,
Minneapolis, Minnesota 55479-0069 (Attention: Corporate Trust Department). The
Company also has appointed Norwest as the Registrar and Paying Agent under the
Indenture.
 
    The Indenture contains limitations on the rights of the Trustee, should it
become a creditor of the Company, to obtain payment of claims in certain cases
or to realize on certain property received in respect of any such claim as
security or otherwise. The Trustee will be permitted to engage in other
transactions; however, if it acquires any conflicting interest (as defined in
the Indenture) it must eliminate such conflict or resign.
 
    The holders of a majority in principal amount of all outstanding Notes will
have the right to direct the time, method and place of conducting any proceeding
for exercising any remedy available to the Trustee, provided that such direction
does not conflict with any law or the Indenture, would not be unduly prejudicial
to the rights of other holders and would not involve the Trustee in personal
liability. The Indenture provides that in case an Event of Default shall occur
(and be continuing) and be known to the Trustee, the Trustee will be required to
use the degree of care and skill of a prudent person in the conduct of his or
her own affairs. The Trustee will be under no obligation to exercise any of its
powers under the Indenture at the request of any of the holders of the Notes,
unless such holders shall have offered to the Trustee indemnity satisfactory to
it.
 
                                       16
<PAGE>
                                  UNDERWRITING
 
    Subject to the terms and conditions set forth in the Underwriting Agreement,
the Underwriters named below have severally agreed to purchase, and the Company
has agreed to sell to the Underwriters, $8,000,000 in aggregate principal amount
of Notes in the dollar amount of Notes set forth opposite their names in the
table below:
 
<TABLE>
<CAPTION>
UNDERWRITER                                                                   PRINCIPAL AMOUNT
- ----------------------------------------------------------------------------  ----------------
<S>                                                                           <C>
D. A. Davidson & Co.........................................................    $  4,800,000
Edward D. Jones & Co., L.P..................................................       3,200,000
                                                                              ----------------
    Total...................................................................    $  8,000,000
                                                                              ----------------
                                                                              ----------------
</TABLE>
 
    Under the terms and conditions of the Underwriting Agreement, the
Underwriters are committed to take and pay for all of the Notes offered hereby,
if any are taken.
 
    In offering the Notes as an Underwriter, D. A. Davidson & Co. ("D.A.
Davidson") will be deemed, under Rule 2720 of the Conduct Rules of the National
Association of Securities Dealers, Inc. (the "NASD"), to be participating in the
distribution of securities of an affiliate because Mr. Ian B. Davidson, Chairman
and Chief Executive Officer of D. A. Davidson, possesses beneficial ownership of
more than 10% of the voting securities of both D. A. Davidson and the Company.
At June 30, 1997, Mr. Davidson owned directly 613,532.1388 shares, or 26.03%, of
the Company's common stock. D. A. Davidson's participation in the offer and sale
of the Notes offered hereby conforms with the applicable requirements of the
Conduct Rule of the NASD.
 
    The Underwriters propose to offer the Notes to the public at the initial
public offering price set forth on the cover page of this Prospectus and in part
to certain securities dealers at such price less a concession of   % of the
principal amount of the Notes. The Underwriters may allow, and such dealers may
reallow, a concession not in excess of   % of the principal amount of the Notes
to certain brokers and dealers. After the initial public offering, the public
offering price and other selling terms may be changed by the Underwriters. The
initial public offering price will be determined in accordance with the NASD
requirement that the yield be no lower than that recommended by a "qualified
independent underwriter" that has participated in the preparation of the
Registration Statement and this Prospectus and has exercised the usual standards
of due diligence in respect thereto. Edward D. Jones & Co., L.P. is acting as
the qualified independent underwriter.
 
    In addition to the underwriting discount set forth on the cover page of this
Prospectus, the Company has agreed to pay the fees and expenses of counsel for
the Underwriters.
 
    The Underwriting Agreement between the Company and the Underwriters contains
agreements of indemnity by the Company and the Underwriters as to certain
liabilities in connection with the offering, including liabilities under the
Securities Act of 1933, as amended.
 
                                       17
<PAGE>
                               VALIDITY OF NOTES
 
    The validity of the Notes offered hereby will be passed upon for the Company
by John C. Allen, Corporate Counsel of the Company. Certain legal matters will
be passed upon for the Underwriters by Dorsey & Whitney LLP, Minneapolis,
Minnesota and Great Falls, Montana. As of June 30, 1997, Mr. Allen beneficially
owned 10,443 shares of the Company's common stock.
 
                                    EXPERTS
 
    The consolidated financial statements of the Company incorporated by
reference from the Company's Annual Report on Form 10-KA/1 for the year ended
June 30, 1996, have been audited by Ernst & Young LLP, independent auditors, as
set forth in their report therein and incorporated herein by reference. Such
consolidated financial statements are incorporated herein by reference in
reliance upon such report given upon the authority of such firm as experts in
accounting and auditing.
 
                                       18
<PAGE>
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
 
    NO DEALER, SALESPERSON OR ANY OTHER PERSON HAS BEEN AUTHORIZED TO GIVE
INFORMATION OR MAKE ANY REPRESENTATION NOT CONTAINED IN THIS PROSPECTUS IN
CONNECTION WITH THE OFFER MADE BY THIS PROSPECTUS, AND IF GIVEN OR MADE, SUCH
INFORMATION OR REPRESENTATION MUST NOT BE RELIED UPON AS HAVING BEEN AUTHORIZED
BY THE COMPANY OR THE UNDERWRITERS. THIS PROSPECTUS DOES NOT CONSTITUTE AN OFFER
TO SELL, OR A SOLICITATION BY ANYONE IN ANY JURISDICTION IN WHICH SUCH OFFER OR
SOLICITATION IS NOT AUTHORIZED OR IN WHICH THE PERSON MAKING SUCH OFFER OR
SOLICITATION IS NOT QUALIFIED TO DO SO OR TO ANYONE TO WHOM IT IS UNLAWFUL TO
MAKE SUCH OFFER OR SOLICITATION. NEITHER THE DELIVERY OF THIS PROSPECTUS NOR ANY
SALE MADE HEREUNDER SHALL UNDER ANY CIRCUMSTANCES CREATE ANY IMPLICATION THAT
THE AFFAIRS OF THE COMPANY SINCE THAT DATE HEREOF OR THE INFORMATION HEREIN IS
CORRECT AS OF ANY TIME SUBSEQUENT TO THE DATE OF THIS PROSPECTUS.
 
                            ------------------------
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
                                                   PAGE
                                                 ---------
<S>                                              <C>
Available Information..........................          2
Incorporation of Certain Documents by
  Reference....................................          2
Forward-Looking Statements.....................          3
Prospectus Summary.............................          4
The Company....................................          6
Use of Proceeds................................          8
Capitalization.................................          9
Description of Notes...........................         10
Underwriting...................................         17
Validity of Notes..............................         18
Experts........................................         18
</TABLE>
 
                                   $8,000,000
 
                            ENERGY WEST INCORPORATED
 
                                   % NOTES DUE
                                  JUNE 1, 2012
 
                             ---------------------
 
                                   PROSPECTUS
                             ---------------------
 
                              D. A. DAVIDSON & CO.
 
                          EDWARD D. JONES & CO., L.P.
 
                                          , 1997
 
- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------
<PAGE>
                                    PART II
                     INFORMATION NOT REQUIRED IN PROSPECTUS
 
ITEM 14.  OTHER EXPENSES OF ISSUANCE AND DISTRIBUTION.
 
    The following are the estimated expenses in connection with the distribution
of the securities being registered, other than underwriting expenses and
commissions. All such expenses are estimated, except for the SEC registration
fee and the NASD filing fee:
 
<TABLE>
<S>                                                                 <C>
SEC registration fee..............................................  $   2,424
NASD filing fee...................................................      1,300
Accounting fees and expenses......................................     35,000
Legal fees and expenses...........................................     47,500
Printing and engraving expenses...................................     14,000
Trustee fees and expenses.........................................      1,000
Blue Sky fees and expenses........................................      2,000
Miscellaneous expenses............................................      1,776
                                                                    ---------
    Total.........................................................  $ 105,000
                                                                    ---------
                                                                    ---------
</TABLE>
 
ITEM 15.  INDEMNIFICATION OF DIRECTORS AND OFFICERS.
 
    Reference is made to Sections 35-1-451 through 35-1-459 of the Montana
Business Corporation Act, which provide that a corporation may indemnify any
individual who was, is or is threatened to be made a named defendant in any
threatened, pending or completed action, suit or proceeding, whether civil,
criminal, administrative or investigative (other than an action by or in the
right of such corporation in which an individual was adjudged liable to the
corporation), and whether formal or informal, because such individual is or was
a director of the corporation or, while a director of the corporation, is or was
serving at the corporation's request as a director, officer, partner, trustee,
employee or agent of another foreign or domestic corporation, partnership, joint
venture, trust employee, benefit plan or other enterprise. The indemnity may
include judgments, penalties, fines (including an excise tax assessed with
respect to an employee benefit plan), amounts paid in settlement and reasonable
expenses (including attorney's fees) incurred by such individual in connection
with such action, suit or proceeding if such individual conducted him or herself
in good faith and reasonably believed, in the case of conduct in an official
capacity with the corporation, that his or her conduct was in the corporation's
best interests, and, in all other cases, that his or her conduct was at least
not opposed to the corporation's best interests and if, in the case of any
criminal proceeding, such individual had no reasonable cause to believe his or
her conduct was unlawful. In addition, a Montana corporation may indemnify any
of its officers, employees and agents who are not directors to the same extent
as to a director and may also indemnity any officer, employee or agent who is
not a director to the extent, consistent with public policy, that may be
provided by the corporation's articles of incorporation, its by-laws, general or
specific action of its board of directors or contract.
 
    Article VI, Section 6.1 of the Bylaws of the Company, as amended, provides
that the Company shall indemnify its officers and directors against certain
claims liabilities and expenses arising out of any action, suit or proceeding in
which such individual is a party by reason of being an officer or director of
the Company, provided that such individual shall not be adjudged to have been
liable for actual negligence or misconduct in the performance of his or her
duties.
 
    Article 8 of the Company's Amended Articles of Incorporation provides that a
director of the Company shall not be personally liable to the Company or its
shareholders for monetary damages for breach of fiduciary duty as a director,
except for liability (i) for any breach of the director's duty of loyalty
 
                                      II-1
<PAGE>
to the Company or its shareholders, (ii) for acts or omissions that constitute
willful misconduct, recklessness or a knowing violation of law, (iii) under
Section 35-1-713 of the Montana Business Corporation Act, or (iv) for a
transaction from which the director derives an improper personal benefit.
 
    Pursuant to the form of Underwriting Agreement, a copy of which is included
as Exhibit 1.1 hereto, the Underwriters have agreed, under certain conditions,
to indemnify the Company, its directors, certain of its officers and persons who
control the Company within the meaning of the Securities Act of 1933, as
amended, against certain liabilities.
 
    The foregoing discussion is qualified in its entirety by reference to the
Montana Business Corporation Act, the Company's Amended Articles of
Incorporation, the Company's Bylaws, as amended, and the referenced Underwriting
Agreement.
 
ITEM 16.  EXHIBITS.
 
    (a) Exhibits.
 
<TABLE>
<C>        <S>
      1.1  Form of Underwriting Agreement (filed herewith).
 
      3.1  Restated Articles of Incorporation of the Company, as amended to date (filed
             herewith).
 
      3.2  Bylaws of the Company, as amended to date (filed herewith).
 
      4.1  Form of Indenture (including form of Note) (filed herewith).
 
      5.1  Opinion of John C. Allen as to the legality of the securities being registered
             (filed herewith).
 
     10.1  Credit Agreement dated as of January 18, 1995, by and between the Company and
             Norwest Bank Great Falls, National Association (incorporated by reference to
             Exhibit 10.1 to the Registrant's Annual Report on Form 10-KA Amendment 2 for
             the fiscal year ended June 30, 1996, File No. 0-14183).
 
     10.2  Amendment dated April 17, 1996 to Credit Agreement dated as of January 18, 1995,
             by and between the Company and Norwest Bank Montana, National Association
             (incorporated by reference to Exhibit 10.2 to the Registrant's Annual Report on
             Form 10-KA Amendment 2 for the fiscal year ended June 30, 1996, File No.
             0-14183).
 
     10.3  Amendment dated November 7, 1996 to Credit Agreement dated as of January 18,
             1995, the Company and Norwest Bank Montana, National Association (incorporated
             by reference to Exhibit 10.3 to the Registrant's Annual Report on Form 10-KA
             Amendment 2 for the fiscal year ended June 30, 1996, File No. 0-14183).
 
     10.4  Promissory Note dated November 7, 1996, issued to Norwest Bank Montana, National
             Association (incorporated by reference to Exhibit 10.4 to the Registrant's
             Annual Report on Form 10-KA Amendment 2 for the fiscal year ended June 30,
             1996, File No. 0-14183).
 
     10.5  Credit Agreement dated as of February 12, 1997, by and between the Company and
             First Bank Montana, National Association (incorporated by reference to Exhibit
             10.5 to the Registrant's Annual Report on Form 10-KA Amendment 2 for the fiscal
             year ended June 30, 1996, File No. 0-14183).
 
     10.6  Delivered Gas Purchase Contract dated February 23, 1977, as amended by that
             Letter Amendment Amending Gas Purchase Contract dated March 9, 1982; that
             Amendment to Delivered Gas Purchase Contract applicable as of March 20, 1986;
             that Letter Agreement dated December 18, 1986; that Letter Agreement dated
             April 12, 1988; that Letter Agreement dated April 28, 1992; that Letter
             Agreement dated March 14, 1996; that Letter Agreement dated April 15, 1996; a
             second Letter Agreement dated April 15,
</TABLE>
 
                                      II-2
<PAGE>
<TABLE>
<C>        <S>
             1996; that Letter dated February 18, 1997; and that Letter dated April 1, 1997,
             transmitting a Notice of Assignment effective February 26, 1993 (filed
             herewith).
 
     10.7  Delivered Gas Purchase Contract dated December 1, 1985, as amended by that Letter
             Agreement dated July 1, 1986; that Letter Agreement dated November 19, 1987;
             that Letter Agreement dated December 1, 1988; that Letter Agreement dated July
             30, 1992; that Assignment, Conveyance and Bill of Sale effective as of January
             1, 1993; that Letter Agreement dated March 8, 1993; that Letter Agreement dated
             October 21, 1993; that Letter Agreement dated October 18, 1994; that Letter
             Agreement dated January 30, 1995; that Letter Agreement dated August 30, 1995;
             that Letter Agreement dated October 3, 1995; that Letter Agreement dated
             October 31, 1995; that Letter Agreement dated December 21, 1995; that Letter
             Agreement dated April 25, 1996; that Letter Agreement dated January 29, 1997;
             and that Letter dated April 11, 1997 (incorporated by reference to Exhibit 10.7
             to the Registrant's Annual Report on Form 10-KA Amendment 2 for the fiscal year
             ended June 30, 1996, File No. 0-14183).
 
     10.8  Natural Gas Sale and Purchase Agreement dated July 20, 1992 between Shell Canada
             Limited and the Company, as amended by that Letter Agreement dated August 23,
             1993; that Amending Agreement effective as of November 1, 1994; and that
             Schedule A Incorporated Into and Forming a Part of That Natural Gas Sale and
             Purchase Agreement, effective as of November 1, 1996 (filed herewith).
 
     10.9  Employee Stock Ownership Plan Trust Agreement (incorporated by reference to
             Exhibit 10.2 to Registrant's Registration Statement on Form S-1, File No.
             33-1672).
 
    10.10  1992 Stock Option Plan (filed herewith).
 
    10.11  Form of Incentive Stock Option under the 1992 Stock Option Plan (filed herewith).
 
    10.12  Management Incentive Plan (incorporated by reference to Exhibit 10.12 to the
             Registrant's Annual Report on Form 10-KA Amendment 2 for the fiscal year ended
             June 30, 1996, File No. 0-14183).
 
     23.1  Consent of John C. Allen (included in his opinion filed as Exhibit 5.1).
 
     23.2  Consent of Ernst & Young LLP (filed herewith).
 
     24.1  Powers of Attorney (included on signature page).
 
     25.1  Statement of Eligibility and Qualification of Norwest Bank Minnesota, National
             Association on Form T-1 (filed herewith).
</TABLE>
 
ITEM 17.  UNDERTAKINGS.
 
    The undersigned registrant hereby undertakes that, for purposes of
determining any liability under the Securities Act of 1933, each filing of the
registrant's annual report pursuant to Section 13(a) or section 15(d) of the
Securities Exchange Act of 1934 that is incorporated by reference in this
registration statement shall be deemed to be a new registration statement
relating to the securities offered herein, and the offering of such securities
at that time shall be deemed to be the initial bona fide offering thereof.
 
    The undersigned registrant hereby undertakes to deliver or cause to be
delivered with the prospectus, to each person to whom the prospectus is sent or
given, the latest annual report to security holders that is incorporated by
reference in the prospectus and furnished pursuant to and meeting the
requirements of Rule 14a-3 or Rule 14c-3 under the Securities Exchange Act of
1934; and to deliver or cause to be delivered to each person to whom the
prospectus is sent or given, the latest quarterly report that is specifically
incorporated by reference in the prospectus to provide the interim financial
information required to be presented by Article 3 of Regulation S-X.
 
                                      II-3
<PAGE>
    Insofar as indemnification for liabilities arising under the Securities Act
of 1933 may be permitted to directors, officers, and controlling persons of the
registrant pursuant to the foregoing provisions, or otherwise, the registrant
has been advised that, in the opinion of the Securities and Exchange Commission,
such indemnification is against public policy as expressed in the Act and is,
therefore, unenforceable. In the event that a claim for indemnification against
liabilities (other than the payment by the registrant of expenses incurred or
paid by a director, officer or controlling person of the registrant in the
successful defense of any action, suit or proceeding) is asserted by such
director, officer or controlling person in connection with the securities being
registered, the registrant will, unless in the opinion of its counsel the matter
has been settled by controlling precedent, submit to a court of appropriate
jurisdiction the question whether such indemnification by it is against public
policy as expressed in the Act and will be governed by the final adjudication of
such issue.
 
    The undersigned registrant hereby undertakes that:
 
        (1) For purposes of determining any liability under the Securities Act
    of 1933, the information omitted from the form of prospectus filed as part
    of this registration statement in reliance upon Rule 430A and contained in a
    form of prospectus filed by the registrant pursuant to Rule 424(b)(1) or (4)
    or 497(h) under the Securities Act shall be deemed to be part of this
    registration statement as of the time it was declared effective.
 
        (2) For the purpose of determining any liability under the Securities
    Act of 1933, each post-effective amendment that contains a form of
    prospectus shall be deemed to be a new registration statement relating to
    the securities offered therein, and the offering of such securities at that
    time shall be deemed to be the initial bona fide offering thereof.
 
                                      II-4
<PAGE>
                                   SIGNATURES
 
    Pursuant to the requirements of the Securities Act of 1933, the registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-2 and has duly caused this registration
statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the City of Great Falls, State of Montana, on July 22, 1997.
 
                                ENERGY WEST INCORPORATED
 
                                By:              /s/ LARRY D. GESKE
                                     -----------------------------------------
                                                   Larry D. Geske
                                                PRESIDENT AND CHIEF
                                                 EXECUTIVE OFFICER
 
                               POWER OF ATTORNEY
 
    KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears
below constitutes and appoints Larry D. Geske and Edward J. Bernica, or either
of them (with full power to act alone), as his or her true and lawful
attorneys-in-fact and agents, with full powers of substitution and
resubstitution, for him or her and in his or her name, place and stead, in any
and all capacities, to sign any additional Registration Statement pursuant to
Rule 462(b) under the Securities Act of 1933, as amended, and any or all
amendments (including post-effective amendments) to this Registration Statement
(or Registration Statements, if an additional Registration Statement is filed
pursuant to Rule 462(b)), and to file the same, with all exhibits thereto, and
other documents in connection therewith, with the Securities and Exchange
Commission granting unto said attorneys-in-fact and agents, full power and
authority to do and perform each and every act and thing requisite or necessary
to be done in and about the premises, as fully to all intents and purposes as he
or she might or could do in person, hereby ratifying and confirming all that
said attorneys-in-fact and agents, or their substitute or substitutes, may
lawfully do or cause to be done by virtue hereof.
 
    Pursuant to the requirements of the Securities Act, this registration
statement has been signed by the following persons in the capacities indicated
on July 22, 1997.
 
<TABLE>
<CAPTION>
          SIGNATURE                       TITLE
- ------------------------------  --------------------------
 
<C>                             <S>
                                President, Chief Executive
      /s/ LARRY D. GESKE          Officer and Director
- ------------------------------    (Principal Executive
        Larry D. Geske            Officer)
 
                                Vice President and Chief
    /s/ EDWARD J. BERNICA         Financial Officer
- ------------------------------    (Principal Financial
      Edward J. Bernica           Officer)
 
                                Vice President, Treasurer,
     /s/ WILLIAM J. QUAST         Controller and Assistant
- ------------------------------    Secretary (Principal
       William J. Quast           Accounting Officer)
</TABLE>
 
                                      II-5
<PAGE>
<TABLE>
<CAPTION>
          SIGNATURE                       TITLE
- ------------------------------  --------------------------
 
<C>                             <S>
     /s/ IAN B. DAVIDSON
- ------------------------------  Director
       Ian B. Davidson
 
  /s/ THOMAS N. MCGOWEN, JR.
- ------------------------------  Director
    Thomas N. McGowen, Jr.
 
  /s/ G. MONTGOMERY MITCHELL
- ------------------------------  Director
    G. Montgomery Mitchell
 
     /s/ DAVID A. FLITNER
- ------------------------------  Director
       David A. Flitner
 
        /s/ DEAN SOUTH
- ------------------------------  Director
          Dean South
 
       /s/ GEORGE RUFF
- ------------------------------  Director
         George Ruff
</TABLE>
 
                                      II-6
<PAGE>
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
                                                                                                               PAGE NO.
                                                                                                              -----------
<C>        <S>                                                                                                <C>
     1.1   Form of Underwriting Agreement (filed herewith)..................................................
 
     3.1   Restated Articles of Incorporation of the Company, as amended to date (filed herewith)...........
 
     3.2   Bylaws of the Company, as amended to date (filed herewith).......................................
 
     4.1   Form of Indenture (including form of Note) (filed herewith)......................................
 
     5.1   Opinion of John C. Allen as to the legality of the securities being registered (filed
             herewith)......................................................................................
 
    10.1   Credit Agreement dated as of January 18, 1995, by and between the Company and Norwest Bank Great
             Falls, National Association (incorporated by reference to Exhibit 10.1 to the Registrant's
             Annual Report on Form 10-KA Amendment 2 for the fiscal year ended June 30, 1996, File No.
             0-14183).
 
    10.2   Amendment dated April 17, 1996 to Credit Agreement dated as of January 18, 1995, by and between
             the Company and Norwest Bank Montana, National Association (incorporated by reference to
             Exhibit 10.2 to the Registrant's Annual Report on Form 10-KA Amendment 2 for the fiscal year
             ended June 30, 1996, File No. 0-14183).
 
    10.3   Amendment dated November 7, 1996 to Credit Agreement dated as of January 18, 1995, the Company
             and Norwest Bank Montana, National Association (incorporated by reference to Exhibit 10.3 to
             the Registrant's Annual Report on Form 10-KA Amendment 2 for the fiscal year ended June 30,
             1996, File No. 0-14183).
 
    10.4   Second Amendment, dated April 14, 1997, to Credit Agreement dated as of January 18, 1995, by and
             between the Company and Norwest Bank Montana, National Association (incorporated by reference
             to Exhibit 10.2 to the Registrant's Quarterly Report on Form 10-QA for the fiscal quarter ended
             March 31, 1997, File No. 0-14183).
 
    10.5   Promissory Note, dated April 14, 1997, issued to Norwest Bank Montana, National Association
             (incorporated by reference to Exhibit 10.3 to the Registrant's Quarterly Report on Form 10-QA
             for the fiscal quarter ended March 31, 1997, File No. 0-14183).
 
    10.6   Credit Agreement dated as of February 12, 1997, by and between the Company and First Bank
             Montana, National Association (incorporated by reference to Exhibit 10.5 to the Registrant's
             Annual Report on Form 10-KA Amendment 2 for the fiscal year ended June 30, 1996, File No.
             0-14183).
 
    10.7   Delivered Gas Purchase Contract dated February 23, 1977, as amended by that Letter Amendment
             Amending Gas Purchase Contract dated March 9, 1982; that Amendment to Delivered Gas Purchase
             Contract applicable as of March 20, 1986; that Letter Agreement dated December 18, 1986; that
             Letter Agreement dated April 12, 1988; that Letter Agreement dated April 28, 1992; that Letter
             Agreement dated March 14, 1996; that Letter Agreement dated April 15, 1996; a second Letter
             Agreement dated April 15, 1996; that Letter dated February 18, 1997; and that Letter dated
             April 1, 1997, transmitting a Notice of Assignment effective February 26, 1993 (filed
             herewith)......................................................................................
</TABLE>
 
                                      II-6
<PAGE>
<TABLE>
<CAPTION>
                                                                                                               PAGE NO.
                                                                                                              -----------
<C>        <S>                                                                                                <C>
    10.8   Delivered Gas Purchase Contract dated December 1, 1985, as amended by that Letter Agreement dated
             July 1, 1986; that Letter Agreement dated November 19, 1987; that Letter Agreement dated
             December 1, 1988; that Letter Agreement dated July 30, 1992; that Assignment, Conveyance and
             Bill of Sale effective as of January 1, 1993; that Letter Agreement dated March 8, 1993; that
             Letter Agreement dated October 21, 1993; that Letter Agreement dated October 18, 1994; that
             Letter Agreement dated January 30, 1995; that Letter Agreement dated August 30, 1995; that
             Letter Agreement dated October 3, 1995; that Letter Agreement dated October 31, 1995; that
             Letter Agreement dated December 21, 1995; that Letter Agreement dated April 25, 1996; that
             Letter Agreement dated January 29, 1997; and that Letter dated April 11, 1997 (incorporated by
             reference to Exhibit 10.7 to the Registrant's Annual Report on Form 10-KA Amendment 2 for the
             fiscal year ended June 30, 1996, File No. 0-14183).
 
    10.9   Natural Gas Sale and Purchase Agreement dated July 20, 1992 between Shell Canada Limited and the
             Company, as amended by that Letter Agreement dated August 23, 1993; that Amending Agreement
             effective as of November 1, 1994; and that Schedule A Incorporated Into and Forming a Part of
             That Natural Gas Sale and Purchase Agreement, effective as of November 1, 1996 (filed
             herewith)......................................................................................
 
    10.10  Employee Stock Ownership Plan Trust Agreement (incorporated by reference to Exhibit 10.2 to
             Registrant's Registration Statement on Form S-1, File No. 33-1672).
 
    10.11  1992 Stock Option Plan (filed herewith)..........................................................
 
    10.12  Form of Incentive Stock Option under the 1992 Stock Option Plan (filed herewith).................
 
    10.13  Management Incentive Plan (incorporated by reference to Exhibit 10.12 to the Registrant's Annual
             Report on Form 10-KA Amendment 2 for the fiscal year ended June 30, 1996, File No. 0-14183).
 
    23.1   Consent of John C. Allen (included in his opinion filed as Exhibit 5.1).
 
    23.2   Consent of Ernst & Young LLP (filed herewith)....................................................
 
    24.1   Powers of Attorney (included on signature page).
 
    25.1   Statement of Eligibility and Qualification of Norwest Bank Minnesota, National Association on
             Form T-1 (filed herewith)......................................................................
</TABLE>
 
                                      II-7

<PAGE>

                             ENERGY WEST INCORPORATED

                      $8,000,000 Aggregate Principal Amount
                          __% Notes due June 1, 2012
                                _________________

                             UNDERWRITING AGREEMENT


                                                                         , 1997

D. A. Davidson & Co.
Edward D. Jones & Co., L.P.
c/o D. A. Davidson & Co.
8 Third Street North
Great Falls, Montana 59401

Dear Sirs:

         Energy West Incorporated, a Montana corporation (the "Company"), 
proposes, subject to the terms and conditions stated herein, to issue and 
sell to you as underwriters (the "Underwriters") $8,000,000 aggregate 
principal amount of its __% Notes due June 1, 2012 (the "Notes").  The 
Notes are to be issued pursuant to an indenture (the "Indenture") between the 
Company and Norwest Bank Minnesota, National Association, as trustee (the 
"Trustee").

         1.   (a)  The Company represents and warrants to, and agrees
         with, each of you that:

                    (i)  A registration statement in respect of the Notes has 
               been filed with the Securities and Exchange Commission (the 
               "Commission"); such registration statement and any 
               post-effective amendment thereto, each in the form heretofore 
               delivered to you, and, excluding exhibits thereto but 
               including all documents incorporated by reference in the 
               prospectus contained therein, have been declared effective by 
               the Commission in such form; no other document with respect to 
               such registration statement or document incorporated by 
               reference therein has heretofore been filed with the 
               Commission; and no stop order suspending the effectiveness of 
               such registration statement has been issued and no proceeding 
               for that purpose has been initiated or threatened by the 
               Commission (any preliminary prospectus included in such 
               registration statement or filed with the Commission pursuant 
               to Rule 424(a) of the rules and regulations of the Commission 
               under 

<PAGE>

               the Securities Act of 1933, as amended (the "Act"), 
               being hereinafter called a "Preliminary Prospectus"; the 
               various parts of such registration statement, including all 
               exhibits thereto (but excluding Form T-1) and including (i) 
               the information contained in the form of final prospectus 
               filed with the Commission pursuant to Rule 424(b) under the 
               Act in accordance with Section 5(a) hereof and deemed by 
               virtue of Rule 430A under the Act to be part of the 
               registration statement at the time it was declared effective 
               and (ii) the documents incorporated by reference in the 
               prospectus contained in the registration statement at the time 
               such part of the registration statement became effective, each 
               as amended at the time such part of the registration statement 
               became effective, being hereinafter called the "Registration 
               Statement"; such final prospectus, in the form first filed 
               pursuant to Rule 424(b) under the Act, being hereinafter 
               called the "Prospectus"; any reference herein to any 
               Preliminary Prospectus or the Prospectus shall be deemed to 
               refer to and include the documents delivered therewith 
               pursuant to Item 11 of Form S-2 under the Act and the 
               documents incorporated by reference therein pursuant to Item 
               12 of Form S-2 under the Act, as of the date of such 
               Preliminary Prospectus or Prospectus, as the case may be; any 
               reference to any amendment or supplement to any Preliminary 
               Prospectus or the Prospectus shall be deemed to refer to and 
               include any documents filed after the date of such Preliminary 
               Prospectus or Prospectus, as the case may be, under the 
               Securities Exchange Act of 1934, as amended (the "Exchange 
               Act"), and incorporated by reference in such Preliminary 
               Prospectus or Prospectus, as the case may be; and any 
               reference to any amendment to the Registration Statement shall 
               be deemed to refer to and include any annual report of the 
               Company filed pursuant to Section 13(a) or 15(d) of the 
               Exchange Act after the effective date of the Registration 
               Statement that is incorporated by reference in the 
               Registration Statement;

                    (ii)  No order preventing or suspending the use of any 
               Preliminary Prospectus has been issued by the Commission, and 
               each Preliminary Prospectus, at the time of filing thereof, 
               conformed in all material respects to the requirements of the 
               Act and the rules and regulations of the Commission 
               thereunder, and did not contain an untrue statement of a 
               material fact or omit to state a material fact required to be 
               stated therein or necessary to make the statements therein, in 
               the light of the circumstances in which they were made, not 
               misleading; provided, however, that this representation and 
               warranty shall not apply to any statements or omissions made 
               in reliance upon and in conformity with information furnished 
               in writing to the Company by you expressly for use therein;

                                      -2-

<PAGE>

                    (iii)  The documents incorporated by reference in the 
               Prospectus, when they became effective or were filed with the 
               Commission, as the case may be, conformed in all material 
               respects to the requirements of the Act or the Exchange Act, 
               as applicable, and the rules and regulations of the Commission 
               thereunder, and none of such documents contained an untrue 
               statement of a material fact or omitted to state a material 
               fact required to be stated therein or necessary to make the 
               statements therein, in the light of the circumstances in which 
               they were made, not misleading; and any further documents so 
               filed and incorporated by reference in the Prospectus or any 
               further amendment or supplement thereto, when such documents 
               become effective or are filed with the Commission, as the case 
               may be, will conform in all material respects to the 
               requirements of the Act or the Exchange Act, as applicable, 
               and the rules and regulations of the Commission thereunder and 
               will not contain an untrue statement of a material fact or 
               omit to state a material fact required to be stated therein or 
               necessary to make the statements therein, in the light of the 
               circumstances in which they were made, not misleading; 
               provided, however, that this representation and warranty shall 
               not apply to any statements or omissions made in reliance upon 
               and in conformity with information furnished in writing to the 
               Company by you expressly for use therein;

                    (iv)  The Registration Statement conforms, and the 
               Prospectus and any further amendments or supplements to the 
               Registration Statement or the Prospectus will conform, in all 
               material respects to the requirements of the Act, the Exchange 
               Act and the Trust Indenture Act of 1939, as amended (the 
               "Trust Indenture Act"), and the rules and regulations of the 
               Commission thereunder, and do not and will not, as of the 
               applicable effective date as to the Registration Statement and 
               any amendment thereto and as of the applicable filing date as 
               to the Prospectus and any amendment or supplement thereto, 
               contain an untrue statement of a material fact or omit to 
               state a material fact required to be stated therein or 
               necessary to make the statements therein, in the light of the 
               circumstances in which they were made, not misleading; 
               provided, however, that this representation and warranty shall 
               not apply to (i) that part of the Registration Statement which 
               shall constitute the Statement of Eligibility (Form T-1) under 
               the Trust Indenture Act of the Trustee or (ii) any statements 
               or omissions made in reliance upon and in conformity with 
               information furnished in writing to the Company by you 
               expressly for use therein;

                    (v)  Neither the Company nor any of its subsidiaries has 
               sustained since the date of the latest audited financial 
               statements included or incorporated by reference in the 
               Prospectus any material loss or interference with its business 
               from fire, explosion, flood or 

                                      -3-

<PAGE>

               other calamity, whether or not covered by insurance, or from 
               any labor dispute or court or governmental action, order or 
               decree, otherwise than as set forth or contemplated in the 
               Prospectus; and, since the respective dates as of which 
               information is given in the Registration Statement and the 
               Prospectus, there has not been any change in the capital stock 
               or long-term debt of the Company or any of its subsidiaries or 
               any material adverse change, or any development involving a 
               prospective material adverse change, in or affecting the general 
               affairs, management, financial position, shareholders' equity or 
               results of operations of the Company and its subsidiaries, 
               otherwise than as set forth or contemplated in the Prospectus;

                                  (vi)  Each of the Company and each of its 
               subsidiaries has good and marketable title in fee simple to 
               all material real property and good and marketable title to 
               all personal property owned by it, in each case free and clear 
               of all liens, encumbrances and defects except such as are 
               described in the Prospectus or such as do not materially 
               affect the value of such property and do not interfere with 
               the use made and proposed to be made of such property by the 
               Company or any such subsidiary; and any material real property 
               and buildings held under lease by the Company or any of its 
               subsidiaries are held by it under valid, subsisting and 
               enforceable leases with such exceptions as are not material 
               and do not interfere with the use made and proposed to be made 
               of such property and buildings by the Company or any such 
               subsidiary;

                                  (vii)  The Company has been duly 
               incorporated and is validly existing as a corporation in good 
               standing under the laws of the State of Montana, with power 
               and authority (corporate and other) to own its properties and 
               conduct its business as described in the Prospectus, and has 
               been duly qualified as a foreign corporation for the 
               transaction of business and is in good standing under the laws 
               of each other jurisdiction in which it owns or leases 
               properties, or conducts any business, so as to require such 
               qualification, or is subject to no material liability or 
               disability by reason of the failure to be so qualified in any 
               such jurisdiction;

                                  (viii)  Each subsidiary of the Company has 
               been duly incorporated and is validly existing as a 
               corporation in good standing under the laws of the 
               jurisdiction of its incorporation, with power and authority 
               (corporate and other) to own its properties and conduct its 
               business, and has been duly qualified as a foreign corporation 
               for the transaction of business and is in good standing under 
               the laws of each other jurisdiction in which it owns or leases 
               properties, or conducts any business, so as to require such 
               qualification, or is subject to no 

                                      -4-

<PAGE>

               material liability or disability by reason of the failure to be 
               so qualified in any such jurisdiction;

                    (ix)  The Company is a public utility as defined in the 
               statutes of the States of Montana, Wyoming and Arizona and is 
               authorized by its Restated Articles of Incorporation to carry 
               on the business in which it is engaged, as set forth in the 
               Prospectus; the Company has the legal right to function and 
               operate as a natural gas utility in the States of Montana, 
               Wyoming and Arizona; and the Company is subject as to rates, 
               issuance of securities, service and other matters to the 
               jurisdiction of certain authorities as and to the extent 
               stated in the Prospectus;

                    (x)  The Company has valid and subsisting franchises 
               covering all municipalities in which it operates, which 
               authorize the Company to carry on the respective utility 
               businesses in which it is engaged in the municipalities 
               covered by such franchises;

                    (xi)  The Company has an authorized capitalization as set 
               forth in the Prospectus;

                    (xii) The Notes have been duly authorized, and, when the 
               Notes are issued and delivered pursuant to this Agreement, 
               such Notes will have been duly executed, authenticated, issued 
               and delivered and will constitute valid and legally binding 
               obligations of the Company entitled to the benefits provided 
               by the Indenture, which will be substantially in the form 
               filed as an exhibit to the Registration Statement; the 
               Indenture has been duly authorized and duly qualified under 
               the Trust Indenture Act and at the Time of Delivery (as 
               defined in Section 4 hereof), the Indenture will constitute a 
               valid and legally binding instrument, enforceable in 
               accordance with its terms, subject, as to enforcement, to 
               bankruptcy, insolvency, reorganization and other laws of 
               general applicability relating to or affecting creditors' 
               rights and to general equity principles; and the Indenture and 
               the Notes conform to the descriptions thereof contained in the 
               Prospectus;

                    (xiii)  The issue and sale of the Notes and the 
               compliance by the Company with all of the provisions of the 
               Notes, the Indenture and this Agreement and the consummation 
               of the transactions herein and therein contemplated will not 
               conflict with or result in a breach or violation of any of the 
               terms or provisions of, or constitute a default under, any 
               indenture, mortgage, deed of trust, loan agreement or other 
               agreement or instrument to which the Company or any of its 
               subsidiaries is a party or by which the Company or any of its 
               subsidiaries is bound or to which any of the property or 
               assets of the Company or any of its subsidiaries is subject, 
               nor will such action result 

                                      -5-

<PAGE>

               in any violation of the provisions of the Restated Articles of
               Incorporation or Bylaws of the Company or any of its subsidiaries
               or any statute or any order, rule or regulation of any court or 
               governmental agency or body having jurisdiction over the Company 
               or any of its properties which would be material to the Company 
               and its subsidiaries taken as a whole;

                    (xiv)  Neither the Company nor any of its subsidiaries is 
               in violation of any law, ordinance, governmental rule or 
               regulation, or court decree to which it may be subject, and 
               neither the Company nor any subsidiary has failed to obtain 
               any license, certificate, permit, franchise or other 
               governmental authorization necessary to the ownership of its 
               property or to the conduct of its business as it is currently 
               being carried on and as described in the Prospectus, which 
               violation is likely to have a material adverse effect on the 
               general affairs, condition (financial or otherwise), business, 
               prospects, properties, net worth or results of operations of 
               the Company and its subsidiaries considered as a whole;

                    (xv)  Each of the Montana Public Service Commission (the 
               "Montana Commission"), the Wyoming Public Service Commission 
               (the "Wyoming Commission") and the Arizona Corporation 
               Commission (the "Arizona Commission") has entered one or more 
               orders authorizing the issue and sale of the Notes by the 
               Company on the terms and conditions not inconsistent with the 
               terms and conditions set forth in or contemplated by this 
               Agreement as hereinafter provided; and no further approval, 
               authorization, consent, certificate or order of any state or 
               federal commission or regulatory authority is necessary with 
               respect to the execution and delivery of the Indenture or the 
               issue and sale of the Notes as contemplated herein or the 
               consummation by the Company of the transactions contemplated 
               by this Agreement or the Indenture, except such consents, 
               approvals, authorizations, registrations or qualifications as 
               may be required under state securities or Blue Sky laws in 
               connection with the purchase and distribution of the Notes by 
               the Underwriters.  A true and complete copy of such order or 
               orders of the Montana Commission, the Wyoming Commissions and 
               the Arizona Commission has been delivered to the Underwriters;

                    (xvi)  Other than as set forth in the Prospectus, there 
               are no legal or governmental proceedings pending to which the 
               Company or any of its subsidiaries is a party or of which any 
               property of the Company or any of its subsidiaries is the 
               subject which, if determined adversely to the Company or any 
               of its subsidiaries, would individually or in the aggregate 
               have a material adverse effect on the financial position, 

                                      -6-

<PAGE>

               shareholders' equity or results of operations of the Company 
               and its subsidiaries taken as a whole; and, to the best of the 
               Company's knowledge, no such proceedings are threatened or 
               contemplated by governmental authorities or threatened by 
               others;

                    (xvii)  Ernst & Young LLP, which has certified certain 
               financial statements of the Company, are independent public 
               accountants as required by the Act and the rules and regulations
               of the Commission thereunder;

                    (xviii)  Each of the Company and each of its subsidiaries 
               owns or possesses all patents, patent applications, 
               trademarks, service marks, tradenames, trademark 
               registrations, service mark registrations, copyrights, 
               licenses, inventions, trade secrets and other similar rights 
               necessary for the conduct of its business as currently being 
               carried on, is complying therewith and has not received any 
               notice of conflict with the asserted rights of others in 
               respect of such matters.  Except as stated in the Prospectus, 
               no name which the Company or any of its subsidiaries uses and 
               no other aspect of the business of the Company or any of its 
               subsidiaries will involve or give rise to any infringement of, 
               or license or similar fees for, any patents, patent 
               applications, trademarks, service marks, tradenames, trademark 
               registrations, service mark registrations, copyrights, 
               licenses, inventions, trade secrets or other similar rights of 
               others, which would have a material adverse effect on the 
               business of the Company and its subsidiaries taken as a whole, 
               and neither the Company nor any of its subsidiaries has 
               received any notice of any such infringement or fee, or any 
               claim with respect thereto, except as stated in the Prospectus;

                    (xix)  Each of the Company and each of its subsidiaries 
               has filed all necessary federal, state, and foreign income and 
               franchise tax returns and has paid all taxes as shown as due 
               thereon; and there is no material tax deficiency which has 
               been asserted against the Company;

                    (xx)  The Company has complied and will comply with all 
               provisions of Florida Statutes Section 517.075 (Chapter 
               92-198, Laws of Florida).  Neither the Company, nor any 
               affiliate thereof, does business with the government of Cuba, 
               or with any person or affiliate located in Cuba; and

                    (xxi)  The Company has not taken and will not take, 
               directly or indirectly, any action designed to or which has 
               constituted or which might reasonably be expected to cause or 
               result in stabilization or manipulation of the price of any 
               security of the Company to facilitate the sale or resale of 
               the Notes.

                                      -7-

<PAGE>

         2.  Subject to the terms and conditions herein set forth, the 
Company agrees to sell to each of the Underwriters, and each of the 
Underwriters agrees, severally and not jointly, to purchase from the Company, 
the aggregate principal amount of Notes set forth opposite the name of each 
Underwriter in Schedule I hereto.  The purchase price for the Notes shall be  
      % of the principal amount thereof.

         3.  Upon the authorization by you of the release of the Notes, the 
several Underwriters propose to offer the Notes for sale upon the terms and 
conditions set forth in the Prospectus.

         4.  Certificates in definitive form for the Notes to be purchased by 
each Underwriter hereunder, and in such denominations and registered in such 
names as D. A. Davidson & Co. may request upon at least forty-eight hours' 
prior notice to the Company, shall be delivered by or on behalf of the 
Company to you for the account of such Underwriter, against payment by such 
Underwriter or on its behalf of the purchase price therefor by certified or 
official bank check or checks, payable to the order of the Company in funds 
available in Great Falls, Montana on the same day or the equivalent thereof, 
all at the office D. A. Davidson & Co., 8 Third Street North, Great Falls, 
Montana 59401.  The time and date of such delivery and payment shall be, with 
respect to the Notes, 9:00 a.m., Rocky Mountain time, on                 , 
1997 or such other time and date as you and the Company may agree upon in 
writing.  Such time and date for delivery of the Notes is herein called the 
"Time of Delivery."  Such certificates will be made available for checking 
and packaging at least twenty-four hours prior to the Time of Delivery at the 
office of D. A. Davidson & Co., 8 Third Street North, Great Falls, Montana 
59401.

         5.  The Company agrees with each of the Underwriters:

              (a)  To prepare the Prospectus in a form approved by you and to 
         file such Prospectus pursuant to Rule 424(b) under the Act not later 
         than the Commission's close of business on the second business day 
         following the execution and delivery of this Agreement, or, if 
         applicable, such earlier time as may be required by Rule 430A(a)(3) 
         under the Act; to make no further amendment or any supplement to the 
         Registration Statement or Prospectus prior to the Time of Delivery 
         which shall be disapproved by you promptly after reasonable notice 
         thereof; to advise you, promptly after it receives notice thereof, 
         of the time when the Registration Statement, or any amendment 
         thereto, has been filed or becomes effective or any supplement to 
         the Prospectus or any amended Prospectus has been filed and to 
         furnish you with copies thereof; to file promptly all reports and 
         any definitive proxy or information statements required to be filed 
         by the Company with the Commission pursuant to Section 13(a), 13(c), 
         14 or 15(d) of the Exchange Act subsequent to the date of the 
         Prospectus and for so long as the delivery of a prospectus is 
         required in connection with the offering or sale of the Notes; to 
         advise you, promptly after it receives notice thereof, of the 
         issuance by the 

                                      -8-

<PAGE>

         Commission of any stop order or of any order preventing or suspending
         the use of any Preliminary Prospectus or Prospectus, of the suspension
         of the qualification of the Notes for offering or sale in any 
         jurisdiction, of the initiation or threatening of any proceeding for 
         any such purpose, or of any request by the Commission for the amending
         or supplementing of the Registration Statement or Prospectus or for 
         additional information; and, in the event of the issuance of any stop 
         order or of any order preventing or suspending the use of any 
         Preliminary Prospectus or Prospectus or suspending any such 
         qualification, to use promptly its best efforts to obtain its 
         withdrawal;

              (b)  Promptly from time to time to take such action as you may 
         reasonably request to qualify the Notes for offering and sale under 
         the securities laws of such jurisdictions as you may request and to 
         comply with such laws so as to permit the continuance of sales and 
         dealings therein in such jurisdictions for as long as may be 
         necessary to complete the distribution of the Notes, provided that 
         in connection therewith the Company shall not be required to qualify 
         as a foreign corporation or to file a general consent to service of 
         process in any jurisdiction;

              (c)  To furnish the Underwriters with copies of the Prospectus 
         in such quantities as you may from time to time reasonably request, 
         and, if the delivery of a prospectus is required at any time prior 
         to the expiration of nine months after the time of issue of the 
         Prospectus in connection with the offering or sale of the Notes and 
         if at such time any events shall have occurred as a result of which 
         the Prospectus as then amended or supplemented would include an 
         untrue statement of a material fact or omit to state any material 
         fact necessary in order to make the statements therein, in the light 
         of the circumstances in which they were made when such Prospectus is 
         delivered, not misleading, or, if for any other reason it shall be 
         necessary during such same period to amend or supplement the 
         Prospectus or to file under the Exchange Act any document 
         incorporated by reference in the Prospectus in order to comply with 
         the Act, the Exchange Act or the Trust Indenture Act, to notify you 
         and upon your request to file such document and to prepare and 
         furnish without charge to each Underwriter and to any dealer in 
         securities as many copies as you may from time to time reasonably 
         request of an amended Prospectus or a supplement to the Prospectus 
         which will correct such statement or omission or effect such 
         compliance, and in case any Underwriter is required to deliver a 
         prospectus in connection with sales of any of the Notes at any time 
         nine months or more after the time of issue of the Prospectus, upon 
         your request but at the expense of such Underwriter, to prepare and 
         deliver to such Underwriter as many copies as you may request of an 
         amended or supplemented Prospectus complying with Section 10(a)(3) 
         of the Act;

                                      -9-

<PAGE>

              (d)  To make generally available to its securityholders as soon 
         as practicable, but in any event not later than eighteen months 
         after the effective date of the Registration Statement (as defined 
         in Rule 158(c)), an earning statement of the Company and its 
         subsidiaries (which need not be audited) complying with Section 
         11(a) of the Act and the rules and regulations of the Commission 
         thereunder (including, at the option of the Company, Rule 158);

              (e)  During the period of 180 days after the date of the 
         Prospectus, not to offer, sell, contract to sell or otherwise 
         dispose of any securities of the Company which are substantially 
         similar to the Notes, without your prior written consent;

              (f)  During a period of five years from the effective date of 
         the Registration Statement, to furnish to you copies of all reports 
         or other communications (financial or other) furnished to 
         shareholders, and deliver to you (i) as soon as they are available, 
         copies of any reports and financial statements furnished to or filed 
         with the Commission or any national securities exchange on which any 
         class of securities of the Company is listed; and (ii) such 
         additional information concerning the business and financial 
         condition of the Company as you may from time to time reasonably 
         request (such financial statements to be on a consolidated basis to 
         the extent the accounts of the Company and its subsidiaries are 
         consolidated in reports furnished to its shareholders generally or 
         to the Commission); and

              (g)  To use the net proceeds received by it from the sale of the
         Notes in the manner specified in the Prospectus under the caption "Use
         of Proceeds."

         6.  The Company covenants and agrees with each Underwriter that the 
Company will pay or cause to be paid the following:  (i) the fees, 
disbursements and expenses of the Company's counsel and accountants and 
counsel for the Underwriters in connection with the registration of the Notes 
under the Act and all other expenses in connection with the preparation, 
printing and filing of the Indenture, Registration Statement, any Preliminary 
Prospectus and the Prospectus and amendments and supplements thereto and the 
mailing and delivering of copies thereof to the Underwriters and dealers and 
the issuance and delivery of the Notes as contemplated by this Agreement; 
(ii) the cost of printing or producing this Agreement, the Selling 
Agreements, the Blue Sky Memorandum and any other documents in connection 
with the offering, purchase, sale and delivery of the Notes; (iii) all 
expenses in connection with the qualification of the Notes for offering and 
sale under state securities laws as provided in Section 5(b) hereof, 
including the fees and disbursements of counsel for the Underwriters in 
connection with such qualification and in connection with the Blue Sky 
survey; (iv) the filing fees and fees and disbursements of counsel for the 
Underwriters incident to securing any required review by the National 
Association of Securities Dealers, Inc. of the terms of the sale of the 
Notes; (v) the cost of preparing certificates; (vi) the fees and 

                                     -10-

<PAGE>

expenses of the Trustee and the fees and disbursements of counsel for the 
Trustee in connection with the preparation of the Indenture and the Notes; 
(vii) all expenses in connection with the qualification of the Notes as 
book-entry Notes; and (viii) all other costs and expenses incident to the 
performance of its obligations hereunder which are not otherwise specifically 
provided for in this Section.  It is understood, however, that, except for 
fees and disbursements of counsel for the Underwriters and as otherwise 
provided in this Section, Section 8 and Section 11 hereof, the Underwriters 
will pay all of their own costs and expenses, including transfer taxes on 
resale of any Notes by the Underwriters and any advertising expenses 
connected with any offers they may make.

         7.  The obligations of the Underwriters hereunder, as to the Notes 
to be delivered at the Time of Delivery, shall be subject, in their 
discretion, to the condition that all representations and warranties and 
other statements of the Company herein are, at and as of the Time of 
Delivery, true and correct, the condition that the Company shall have 
performed all of its obligations hereunder theretofore to be performed, and 
the following additional conditions:

              (a)  The Prospectus shall have been filed with the Commission 
         pursuant to Rule 424(b) within the applicable time period prescribed 
         for such filing by the rules and regulations under the Act and in 
         accordance with Section 5(a) hereof; no stop order suspending the 
         effectiveness of the Registration Statement or any part thereof 
         shall have been issued and no proceeding for that purpose shall have 
         been initiated or threatened by the Commission; and all requests for 
         additional information on the part of the Commission shall have been 
         complied with to your reasonable satisfaction;

              (b)  Dorsey & Whitney LLP, counsel for the Underwriters, shall 
         have furnished to you such opinion or opinions, dated the Time of 
         Delivery, with respect to the incorporation of the Company, the 
         validity of the Notes and the Indenture being delivered, the 
         Registration Statement, the Prospectus, and other related matters as 
         you may reasonably request, and such counsel shall have received 
         such papers and information as they may reasonably request to enable 
         them to pass upon such matters;

              (c)  John C. Allen, Corporate Counsel of the Company, shall 
         have furnished to you his written opinion, dated the Time of 
         Delivery, in form and substance satisfactory to you, to the effect 
         that:

                    (i)  The Company has been duly incorporated and is 
               validly existing as a corporation in good standing under the 
               laws of the State of Montana, with power and authority 
               (corporate and other) to own its properties and conduct its 
               business as described in the Prospectus;

                                     -11-

<PAGE>

                    (ii)  Each of the Company's subsidiaries has been duly 
               incorporated and is validly existing as a corporation in good 
               standing under the laws of the state of its jurisdiction, with 
               power and authority (corporate and other) to own its 
               properties and conduct its business;

                    (iii)  Each of the Company and each of its subsidiaries 
               has been duly qualified as a foreign corporation for the 
               transaction of business and is in good standing under the laws 
               of each other jurisdiction in which it owns or leases 
               properties, or conducts any business, so as to require such 
               qualification; or is subject to no material liability or 
               disability by reason of failure to be so qualified in any such 
               jurisdiction (such counsel being entitled to rely in respect 
               of the opinion in this clause upon opinions of local counsel 
               and in respect of matters of fact upon certificates of 
               officers of the Company, provided that counsel shall state 
               that he believes that both you and he are justified in relying 
               upon such opinions and certificates);

                    (iv)  The Company is a public utility under the laws of 
               the States of Montana, Wyoming and Arizona and is authorized 
               by its Restated Articles of Incorporation to carry on the 
               business in which it is engaged, as set forth in the 
               Prospectus; the Company has the legal right to function and 
               operate as a natural gas utility in the States of Montana, 
               Wyoming and Arizona; and the Company is subject as to rates, 
               issuance of securities, service and other matters to the 
               jurisdiction of certain authorities as and to the extent 
               stated in the Prospectus;

                    (v)  The Company has valid and subsisting franchises 
               covering all municipalities in which it operates, which 
               authorize the Company to carry on the respective utility 
               businesses in which it is engaged in the municipalities 
               covered by such franchises;

                    (vi)  The Company has an authorized capitalization as set
               forth in the Prospectus;

                    (vii)  Each of the Company and its subsidiaries has good 
               and marketable title in fee simple to all material real 
               property owned by it, free and clear of all liens, 
               encumbrances and defects except such as are described in the 
               Prospectus or such as do not materially affect the value of 
               such property and do not interfere with the use made and 
               proposed to be made of such property by the Company or each 
               such subsidiary; and any real property and buildings held 
               under lease by the Company or any of its subsidiaries are held 
               by them under valid, subsisting and enforceable leases with 
               such exceptions as are not material and do not interfere with 
               the use made and proposed to be made of such property and 
               buildings by the Company or such subsidiary (in giving the 

                                     -12-

<PAGE>

               opinion in this clause, such counsel may state that no 
               examination of record titles for the purpose of such opinion 
               has been made, and that he is relying upon a general review of 
               the titles of the Company, upon opinions of local counsel and 
               abstracts, reports and policies of title companies rendered or 
               issued at or subsequent to the time of acquisition of such 
               property by the Company, upon opinions of counsel to the 
               lessors of such property and, in respect of matters of fact, 
               upon certificates of officers of the Company, provided that 
               such counsel shall state that he believes that both you and he 
               are justified in relying upon such opinions, abstracts, 
               reports, policies and certificates);

                    (viii)  Other than as set forth in the Prospectus, after 
               due inquiry such counsel does not know of any legal or 
               governmental proceedings pending to which the Company or any 
               of its subsidiaries is a party or of which any property of the 
               Company or any of its subsidiaries is the subject which, if 
               determined adversely to the Company or any of its 
               subsidiaries, would individually or in the aggregate have a 
               material adverse effect on the financial position, 
               shareholders' equity or results of operations of the Company 
               and its subsidiaries; and, to the best of such counsel's 
               knowledge, no such proceedings are threatened or contemplated 
               by governmental authorities or threatened by others;

                    (ix)  This Agreement has been duly authorized, executed and
               delivered by the Company;

                    (x)  The Notes have been duly authorized, executed, 
               authenticated, issued and delivered and constitute valid and 
               legally binding obligations of the Company entitled to the 
               benefits provided by the Indenture; and the Notes and the 
               Indenture conform to the descriptions thereof in the 
               Prospectus as amended or supplemented;

                    (xi)  The Indenture has been duly authorized, executed 
               and delivered by the Company and (assuming the due 
               authorization, execution and delivery of the Indenture by the 
               Trustee) constitutes a valid and legally binding instrument, 
               enforceable in accordance with its terms, subject, as to 
               enforcement, to bankruptcy, insolvency, reorganization and 
               other laws of general applicability relating to or affecting 
               creditors' rights and to general equity principles; and the 
               Indenture has been duly qualified under the Trust Indenture 
               Act;

                    (xii)  The issue and sale of the Notes being delivered at 
               the Time of Delivery by the Company and the compliance by the 
               Company with all of the provisions of the Notes, the Indenture 
               and this Agreement and the consummation of the transactions 
               herein and therein contemplated will not conflict with or 
               result in a breach or violation of 

                                     -13-

<PAGE>

               any of the terms or provisions of, or constitute a default under,
               any indenture, mortgage, deed of trust, loan agreement or other 
               agreement or instrument known to such counsel to which the 
               Company or any of its subsidiaries is a party or by which the 
               Company or any of its subsidiaries is bound or to which any of 
               the property or assets of the Company or any of its 
               subsidiaries is subject, neither will such action result in 
               any violation of the provisions of the Restated Articles of 
               Incorporation or Bylaws of the Company or any of its 
               subsidiaries or any statute or any order, rule or regulation 
               known to such counsel of any court or governmental agency or 
               body having jurisdiction over the Company or any of its 
               properties;

                    (xiii)  The order or orders of the Montana Commission, 
               the Wyoming Commission and the Arizona Commission referred to 
               in Section 1(a)(xv) have been duly entered and, to the best 
               knowledge of such counsel, are still in full force and effect, 
               and no further consent, approval, authorization, order, 
               registration or qualification of or with any such court or 
               governmental agency or body is required for the issue and sale 
               of the Notes or the consummation by the Company of the 
               transactions contemplated by this Agreement, except such 
               consents, approvals, authorizations, registrations or 
               qualifications as may be required under state securities or 
               Blue Sky laws in connection with the purchase and distribution 
               of the Notes by the Underwriters;

                    (xiv)  The documents delivered with, or incorporated by 
               reference in, the Prospectus or any further amendment or 
               supplement thereto made by the Company prior to the Time of 
               Delivery (other than the financial statements and related 
               schedules therein, as to which such counsel need express no 
               opinion), when they or any further amendment or supplement 
               thereto made by the Company prior to the Time of Delivery 
               became effective or were filed with the Commission, as the 
               case may be, complied as to form in all material respects with 
               the requirements of the Act or the Exchange Act, as 
               applicable, and the rules and regulations of the Commission 
               thereunder; and such counsel has no reason to believe that any 
               of such documents, when such documents became effective or 
               were so filed, as the case may be, contained, in the case of a 
               registration statement which became effective under the Act, 
               an untrue statement of a material fact, or omitted to state a 
               material fact required to be stated therein or necessary to 
               make the statements therein, in the light of the circumstances 
               under which they were made, not misleading, or, in the case of 
               other documents which were filed under the Exchange Act with 
               the Commission, an untrue statement of a material fact or 
               omitted to state a material fact necessary in order to make 
               the statements therein, 

                                     -14-

<PAGE>

         in the light of the circumstances in which they were made when such 
         documents were so filed, not misleading;

              (xv)  To the best of such counsel's knowledge, each of the 
         Company and each of its subsidiaries owns or possesses the 
         exclusive right to use all franchises, patents, patent 
         applications, trademarks, service marks, trade names, trademark 
         registrations, service mark registrations, copyrights, licenses, 
         inventions, trade secrets and rights necessary for the conduct of 
         its business as it is currently being carried on and as described 
         in the Prospectus and, except as described in the Prospectus, has 
         not received any notice of conflict with the asserted rights of 
         others in respect thereof. Except as stated in the Prospectus, no 
         name which either of the Company or any of its subsidiaries uses 
         and no other aspect of the business of either the Company or any of 
         its subsidiaries involves or gives, or will involve or give, rise 
         to any infringement of, or license or similar fees for, any 
         patents, patent applications, trademarks, service marks, trade 
         names, trademark registrations, service mark registrations, 
         copyrights, licenses, inventions, trade secrets or other similar 
         rights of others which would have a material adverse effect on the 
         business of the Company, and neither the Company nor any of its 
         subsidiaries has received any notice of any such infringement or 
         fee, or claim with respect thereto; and

              (xvi) The Registration Statement and the Prospectus and any 
         further amendments and supplements thereto made by the Company 
         prior to the Time of Delivery (other than the financial 
         statements and related schedules therein, as to which such 
         counsel need express no opinion) comply as to form in all 
         material respects with the requirements of the Act and the 
         Trust Indenture Act and the rules and regulations thereunder; 
         such counsel has no reason to believe that, as of its 
         effective date, the Registration Statement or any further 
         amendment thereto made by the Company prior to the Time of 
         Delivery (other than the financial statements and restated 
         schedules therein, as to which such counsel need express no 
         opinion) contained an untrue statement of a material fact or 
         omitted to state a material fact required to be stated therein 
         or necessary to make the statements therein, in the light of 
         the circumstances in which they were made, not misleading or 
         that, as of its date, the Prospectus or any further amendment 
         or supplement thereto made by the Company prior to the Time of 
         Delivery (other than the financial statements and related 
         schedules therein, as to which such counsel need express no 
         opinion) contained an untrue statement of a material fact or 
         omitted to state a material fact necessary to make the 
         statements therein, in light of the circumstances in which 
         they were made, not misleading or that, as of the Time of 
         Delivery, either the Registration Statement or the 

                                     -15-

<PAGE>

              Prospectus or any further amendment or supplement thereto made 
              by the Company prior to the Time of Delivery (other than the 
              financial statements and related schedules therein, as to 
              which such counsel need express no opinion) contains an untrue 
              statement of a material fact or omits to state a material fact 
              necessary to make the statements therein, in light of the 
              circumstances in which they were made, not misleading; and 
              such counsel does not know of any amendment to the 
              Registration Statement required to be filed or of any 
              contracts or other documents of a character required to be 
              filed as an exhibit to the Registration Statement or required 
              to be incorporated by reference into the Prospectus or 
              required to be described in the Registration Statement or the 
              Prospectus which are not filed or incorporated by reference or 
              described as required.
                       
              (d)  At 8:00 a.m., Rocky Mountain time, on the effective date 
         of the Registration Statement and the effective date of the most 
         recently filed post-effective amendment to the Registration 
         Statement and also at the Time of Delivery, Ernst & Young LLP shall 
         have furnished to you a letter or letters, dated the respective 
         date of delivery thereof, in form and substance satisfactory to 
         you, to the effect set forth in Annex I hereto;

              (e)  (i)  Neither the Company nor any of its subsidiaries shall 
         have sustained since the date of the latest audited financial 
         statements included or incorporated by reference in the Prospectus 
         any loss or interference with its business from fire, explosion, 
         flood or other calamity, whether or not covered by insurance, or 
         from any labor dispute or court or governmental action, order or 
         decree, otherwise than as set forth or contemplated in the 
         Prospectus, and (ii) since the respective dates as of which 
         information is given in the Prospectus there shall not have been 
         any change in the capital stock or long-term debt of the Company or 
         any of its subsidiaries or any change, or any development involving 
         a prospective change, in or affecting the general affairs, 
         management, financial position, shareholders' equity or results of 
         operations of the Company or any of its subsidiaries, taken as a 
         whole, otherwise than as set forth or contemplated in the 
         Prospectus, the effect of which, in any such case described in 
         Clause (i) or (ii), is in your judgment so material and adverse as 
         to make it impracticable or inadvisable to proceed with the public 
         offering or the delivery of the Notes being delivered at the Time 
         of Delivery on the terms and in the manner contemplated in the 
         Prospectus;

              (f)  On or after the date hereof there shall not have occurred 
         any of the following:  (i) a suspension or material limitation in 
         trading in securities generally on the New York Stock Exchange; 
         (ii) a general moratorium on commercial banking activities in New York
         declared by either Federal or New York State authorities; or 
         (iii) the outbreak or escalation of hostilities 
         
                                     -16-

<PAGE>

         involving the United States or the declaration by the United States 
         on or after the date hereof of a national emergency or war if the 
         effect of any such event specified in this Clause (iii) in your 
         judgment makes it impracticable or inadvisable to proceed with the 
         public offering or the delivery of the Notes being delivered at the 
         Time of Delivery on the terms and in the manner contemplated in the 
         Prospectus;
         
              (g)  There shall be in full force and effect one or more orders 
         of the Montana Commission, the Wyoming Commission and the Arizona 
         Commission authorizing the issue and sale of the Notes by the 
         Company on terms and conditions not inconsistent with the terms and 
         conditions set forth in this Agreement, and containing no 
         provisions unacceptable to the Underwriters, it being agreed that 
         the order or orders of the Montana Commission, the Wyoming 
         Commission and the Arizona Commission heretofore issued as 
         described in Section 1(a)(xv) contain no such unacceptable 
         provisions; and
         
              (h)  The Company shall have furnished or caused to be furnished 
         to you at the Time of Delivery certificates of officers of the 
         Company, satisfactory to you as to the accuracy of the 
         representations and warranties of the Company, herein at and as of 
         the Time of Delivery, as to the performance by the Company of all 
         of its obligations hereunder to be performed at or prior to the 
         Time of Delivery, and as to such other matters as you may 
         reasonably request and the Company shall have furnished or caused 
         to be furnished certificates as to the matters set forth in 
         subsections (a) and (g) of this Section, and as to such other 
         matters as you may reasonably request.

              8.   (a)  The Company will indemnify and hold harmless each 
         Underwriter against any losses, claims, damages or liabilities, 
         joint or several, to which such Underwriter may become subject, 
         under the Act or otherwise, insofar as such losses, claims, damages 
         or liabilities (or actions in respect thereof) arise out of or are 
         based upon an untrue statement or alleged untrue statement of a 
         material fact contained in any Preliminary Prospectus, the 
         Registration Statement or the Prospectus, or any amendment or 
         supplement thereto, or arise out of or are based upon the omission 
         or alleged omission to state therein a material fact required to be 
         stated therein or necessary to make the statements therein, in the 
         light of the circumstances in which they were made, not misleading, 
         and will reimburse each Underwriter for any legal or other expenses 
         reasonably incurred by such Underwriter in connection with 
         investigating or defending any such action or claim as such 
         expenses are incurred; provided, however, that the Company shall 
         not be liable in any such case to the extent that any such loss, 
         claim, damage or liability arises out of or is based upon an untrue 
         statement or alleged untrue statement or omission or alleged 
         omission made in any Preliminary Prospectus, the Registration 
         Statement or the Prospectus or any such amendment or 

                                     -17-

<PAGE>

         supplement in reliance upon and in conformity with written 
         information furnished to the Company by you expressly for use 
         therein.
         
              (b)  Each Underwriter will indemnify and hold harmless the 
         Company against any losses, claims, damages or liabilities to which 
         the Company may become subject, under the Act or otherwise, insofar 
         as such losses, claims, damages or liabilities (or actions in 
         respect thereof) arise out of or are based upon an untrue statement 
         or alleged untrue statement of a material fact contained in any 
         Preliminary Prospectus, the Registration Statement or the 
         Prospectus, or any amendment or supplement thereto, or arise out of 
         or are based upon the omission or alleged omission to state therein 
         a material fact required to be stated therein or necessary to make 
         the statements therein, in the light of the circumstances in which 
         they were made, not misleading, in each case to the extent, but 
         only to the extent, that such untrue statement or alleged untrue 
         statement or omission or alleged omission was made in any 
         Preliminary Prospectus, the Registration Statement or the 
         Prospectus or any such amendment or supplement in reliance upon and 
         in conformity with written information furnished to the Company by 
         such Underwriter expressly for use therein; and will reimburse the 
         Company for any legal or other expenses reasonably incurred by the 
         Company in connection with investigating or defending any such 
         action or claim as such expenses are incurred.

              (c)  Promptly after receipt by an indemnified party, under 
         subsection (a) or (b) above, of notice of the commencement of any 
         action, such indemnified party shall, if a claim in respect thereof 
         is to be made against the indemnifying party under such subsection, 
         notify the indemnifying party in writing of the commencement 
         thereof; but the omission so to notify the indemnifying party shall 
         not relieve it from any liability which it may have to any 
         indemnified party otherwise than under such subsection.  In case 
         any such action shall be brought against any indemnified party and 
         it shall notify the indemnifying party of the commencement thereof, 
         the indemnifying party shall be entitled to participate therein 
         and, to the extent that it shall wish, jointly with any other 
         indemnifying party similarly notified, to assume the defense 
         thereof, with counsel satisfactory to such indemnified party (who 
         shall not, except with the consent of the indemnified party, be 
         counsel to the indemnifying party), and, after notice from the 
         indemnifying party to such indemnified party of its election so to 
         assume the defense thereof, the indemnifying party shall not be 
         liable to such indemnified party under such subsection for any 
         legal expenses of other counsel or any other expenses, in each case 
         subsequently incurred by such indemnified party, in connection with 
         the defense thereof other than reasonable costs of investigation.
         
              (d)  If the indemnification provided for in this Section 8 is 
         unavailable to or insufficient to hold harmless an indemnified party 
         under subsection (a) 

                                     -18-

<PAGE>

         or (b) above in respect of any losses, claims, damages or 
         liabilities (or actions in respect thereof) referred to therein, 
         then each indemnifying party shall contribute to the amount paid or 
         payable by such indemnified party as a result of such losses, 
         claims, damages or liabilities (or actions in respect thereof) in 
         such proportion as is appropriate to reflect the relative benefits 
         received by the Company on the one hand and the Underwriters on the 
         other from the offering of the Notes.  If, however, the allocation 
         provided by the immediately preceding sentence is not permitted by 
         applicable law or if the indemnified party failed to give the 
         notice required under subsection (c) above, then each indemnifying 
         party shall contribute to such amount paid or payable by such 
         indemnified party in such proportion as is appropriate to reflect 
         not only such relative benefits but also the relative fault of the 
         Company on the one hand and the Underwriters on the other in 
         connection with the statements or omissions which resulted in such 
         losses, claims, damages or liabilities (or actions in respect 
         thereof), as well as any other relevant equitable considerations.  
         The relative benefits received by the Company on the one hand and 
         the Underwriters on the other shall be deemed to be in the same 
         proportion as the total net proceeds from the offering (before 
         deducting expenses) received by the Company bear to the total 
         underwriting discounts and commissions received by the 
         Underwriters, in each case as set forth in the table on the cover 
         page of the Prospectus.  The relative fault shall be determined by 
         reference to, among other things, whether the untrue or alleged 
         untrue statement of a material fact or the omission or alleged 
         omission to state a material fact relates to information supplied 
         by the Company on the one hand or the Underwriters on the other and 
         the parties' relative intent, knowledge, access to information and 
         opportunity to correct or prevent such statement or omission.  The 
         Company and the Underwriters agree that it would not be just and 
         equitable if contributions pursuant to this subsection (d) were 
         determined by pro rata allocation (even if the Underwriters were 
         treated as one entity for such purpose) or by any other method of 
         allocation which does not take account of the equitable 
         considerations referred to above in this subsection (d).  The 
         amount paid or payable by an indemnified party as a result of the 
         losses, claims, damages or liabilities (or actions in respect 
         thereof) referred to above in this subsection (d) shall be deemed 
         to include any legal or other expenses reasonably incurred by such 
         indemnified party in connection with investigating or defending any 
         such action or claim. Notwithstanding the provisions of this 
         subsection (d), no Underwriter shall be required to contribute any 
         amount in excess of the amount by which the total price at which 
         the Notes underwritten by it and distributed to the public were 
         offered to the public exceeds the amount of any damages which such 
         Underwriter has otherwise been required to pay by reason of such 
         untrue or alleged untrue statement or omission or alleged omission. 
         No person guilty of fraudulent misrepresentation (within the 
         meaning of Section 11(f) of the Act) shall be entitled to 
         contribution from any person who was not guilty of such 

                                     -19-

<PAGE>

         fraudulent misrepresentation.  The Underwriters' obligations in 
         this subsection (d) to contribute are several in proportion to 
         their respective underwriting obligations and not joint.
         
              (e)  The obligations of the Company under this Section 8 shall 
         be in addition to any liability which the Company may otherwise 
         have, and shall extend, upon the same terms and conditions, to each 
         officer, director and agent of the Underwriters and to each person, 
         if any, who controls any Underwriter within the meaning of the Act; 
         and the obligations of the Underwriters under this Section 8 shall 
         be in addition to any liability which the respective Underwriters 
         may otherwise have and shall extend, upon the same terms and 
         conditions, to each officer and director of the Company and to each 
         person, if any, who controls the Company within the meaning of the 
         Act.

              9.   (a)  If either Underwriter shall default in its obligation 
         to purchase the Notes which it has agreed to purchase hereunder at 
         the Time of Delivery, the other Underwriter may in its discretion 
         arrange for it or another party or other parties to purchase such 
         Notes on the terms contained herein. If within thirty-six hours 
         after such default by either Underwriter the other Underwriter does 
         not arrange for the purchase of such Notes, then the Company shall 
         be entitled to a further period of thirty-six hours within which to 
         procure another party or other parties satisfactory to such other 
         Underwriter to purchase such Notes on such terms.  In the event 
         that, within the respective prescribed periods, the non-defaulting 
         Underwriter notifies the Company that it has so arranged for the 
         purchase of such Notes, or the Company notifies such non-defaulting 
         Underwriter that it has so arranged for the purchase of such Notes, 
         such non-defaulting Underwriter or the Company shall have the right 
         to postpone the Time of Delivery for a period of not more than 
         seven days, in order to effect whatever changes may thereby be made 
         necessary in the Registration Statement or the Prospectus, or in 
         any other documents or arrangements, and the Company agrees to file 
         promptly any amendments to the Registration Statement or the 
         Prospectus which in the opinion of the non-defaulting Underwriter 
         may thereby be made necessary.  The term "Underwriter" as used in 
         this Agreement shall include any person substituted under this 
         Section with like effect as if such person had originally been a 
         party to this Agreement with respect to such Notes.

              (b)  If, after giving effect to any arrangements for the 
         purchase of the Notes of a defaulting Underwriter by the 
         non-defaulting Underwriter and the Company as provided in 
         subsection (a) above, the aggregate principal amount of such Notes 
         which remains unpurchased does not exceed one-eleventh of the 
         aggregate principal amount of all the Notes to be purchased at the 
         Time of Delivery, then the Company shall have the right to require 
         the non-defaulting Underwriter to purchase the number of Notes 
         which such 

                                     -20-

<PAGE>

         Underwriter agreed to purchase hereunder at the Time of Delivery 
         and, in addition, to require the non-defaulting Underwriter to 
         purchase its pro rata share (based on the aggregate principal 
         amount of Notes which such Underwriter agreed to purchase 
         hereunder) of the Notes of such defaulting Underwriter for which 
         such arrangements have not been made; but nothing herein shall 
         relieve the defaulting Underwriter from liability for its default.
         
              (c)  If, after giving effect to any arrangements for the 
         purchase of the Notes of a defaulting Underwriter by the 
         non-defaulting Underwriter and the Company as provided in 
         subsection (a) above, the aggregate principal amount of such Notes 
         which remains unpurchased exceeds one-eleventh of the aggregate 
         principal amount of all the Notes to be purchased at the Time of 
         Delivery, or if the Company shall not exercise the right described 
         in subsection (b) above to require the non-defaulting Underwriter 
         to purchase Notes of the defaulting Underwriter, then this 
         Agreement shall thereupon terminate, without liability on the part  
         of any non-defaulting Underwriter or the Company, except for the 
         expenses to be borne by the Company and the Underwriters as 
         provided in Section 6 hereof and the indemnity and contribution 
         agreements in Section 8 hereof; but nothing herein shall relieve a 
         defaulting Underwriter from liability for its default.

         10.  The respective indemnities, agreements, representations, 
warranties and other statements of the Company and the Underwriters, as set 
forth in this Agreement or made by or on behalf of them, respectively, 
pursuant to this Agreement, shall remain in full force and effect, regardless 
of any investigation (or any statement as to the results thereof) made by or 
on behalf of any Underwriter or any controlling person of any Underwriter, or 
the Company, or any officer or director or controlling person of the Company, 
and shall survive delivery of and payment for the Notes.

         11.  If this Agreement shall be terminated pursuant to Section 9 
hereof, the Company shall not then be under any liability to any Underwriter 
except as provided in Section 6 and Section 8 hereof; but, if for any other 
reason any Notes are not delivered by or on behalf of the Company as provided 
herein, the Company will reimburse the Underwriters for all out-of-pocket 
expenses, including fees and disbursements of counsel, reasonably incurred by 
the Underwriters in making preparations for the purchase, sale and delivery 
of the Notes not so delivered, but the Company shall then be under no further 
liability to any Underwriter in respect of the Notes not so delivered except 
as provided in Section 6 and Section 8 hereof.

         12.  In all dealings hereunder, you shall act on behalf of each of 
the Underwriters, and the parties hereto shall be entitled to act and rely 
upon any statement, request, notice or agreement on behalf of any Underwriter 
made or given by D. A. Davidson & Co. on behalf of the Underwriters.

                                     -21-

<PAGE>

         All statements, requests, notices and agreements hereunder shall be 
in writing, and if to the Underwriters shall be delivered or sent by mail, 
telex or facsimile transmission to you as the representatives in care of 
D. A. Davidson & Co., at 8 Third Street North, Great Falls, Montana 59401, 
Attention:  Syndicate Department, and if to the Company shall be delivered or 
sent by mail, telex or facsimile transmission to the address of the Company 
set forth in the Registration Statement, Attention: President.  Any such 
statements, requests, notices or agreements shall take effect upon receipt 
thereof.

         13.  This Agreement shall be binding upon, and inure solely to the 
benefit of, the Underwriters and the Company and, to the extent provided in 
Sections 8 and 10 hereof, the officers and directors of the Company and the 
Underwriters and each person who controls the Company or any Underwriter, and 
their respective heirs, executors, administrators, successors and assigns, 
and no other person shall acquire or have any right under or by virtue of 
this Agreement.  No purchaser of any of the Notes from any Underwriter shall 
be deemed a successor or assign by reason merely of such purchase.

         14.  Time shall be of the essence of this Agreement.  As used 
herein, the term "business day" shall mean any day when the Commission's 
office in Washington, D. C. is open for business.

         15.  THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE 
WITH THE LAWS OF THE STATE OF MONTANA.

         16.  This Agreement may be executed by any one or more of the 
parties hereto in any number of counterparts, each of which shall be deemed 
to be an original, but all such counterparts shall together constitute one 
and the same instrument.

                                     -22-

<PAGE>

         If the foregoing is in accordance with your understanding, please 
sign and return to us five counterparts hereof, and upon the acceptance 
hereof by you, this letter and such acceptance hereof shall constitute a 
binding agreement among each of the Underwriters and the Company.

                                       Very truly yours,

                                       ENERGY WEST INCORPORATED


                                       By:
                                           --------------------------------
                                             Name:
                                             Title:


Accepted as of the date hereof.


D. A. DAVIDSON & CO.


By:
   -------------------------------
       Authorized Signatory


EDWARD D. JONES & CO.


By:
   -------------------------------
       Authorized Signatory

                                     -23-

<PAGE>

                                  SCHEDULE I


                                                           Total Aggregate
                                                      Principal Amount of Notes
Underwriter                                                to be Purchased
- -----------                                           -------------------------

D. A. Davidson & Co. . . . . . . . . . . . . . .             $                 

Edward D. Jones & Co.. . . . . . . . . . . . . .             


              Total. . . . . . . . . . . . . . .             $8,000,000


<PAGE>

                                    ANNEX I

         Pursuant to Section 7(d) of the Underwriting Agreement, the 
accountants shall furnish letters to the Underwriters to the effect that:

              (i)       They are independent certified public accountants with 
         respect to the Company and its subsidiaries within the meaning of the 
         Act and the applicable published rules and regulations thereunder;

              (ii)      In their opinion, the financial statements and any
         supplementary financial information and schedules (and, if 
         applicable, prospective financial statements and/or pro forma 
         financial information) examined by them and included in, delivered 
         with or incorporated by reference in the Registration Statement or 
         the Prospectus comply as to form in all material respects with the 
         applicable accounting requirements of the Act or the Exchange Act, 
         as applicable, and the related published rules and regulations 
         thereunder; and, if applicable, they have made a review in 
         accordance with standards established by the American Institute of 
         Certified Public Accountants of the consolidated interim financial 
         statements, selected financial data, pro forma financial 
         information, prospective financial statements and/or condensed 
         financial statements derived from audited financial statements of 
         the Company for the periods specified in such letter, as indicated 
         in their reports thereon, copies of which have been furnished to 
         the Underwriters;

              (iii)     The unaudited selected financial information with
         respect to the consolidated results of operations and financial 
         position of the Company for the five most recent fiscal years 
         included in the Prospectus and included or incorporated by 
         reference in Item 6 of the Company's Annual Report on Form 10-K for 
         the most recent fiscal year agrees with the corresponding amounts 
         (after restatement where applicable) in the audited consolidated 
         financial statements for such five fiscal years which were included 
         or incorporated by reference in the Company's Annual Reports on 
         Form 10-K for such fiscal years;
         
              (iv)      On the basis of limited procedures, not constituting 
         an examination in accordance with generally accepted auditing 
         standards, consisting of a reading of the unaudited financial 
         statements and other information referred to below, a reading of 
         the latest available interim financial statements of the Company 
         and its subsidiaries, inspection of the minute books of the Company 
         and its subsidiaries since the date of the latest audited financial 
         statements included or incorporated by reference in the Prospectus, 
         inquiries of officials of the Company and its subsidiaries 
         responsible for financial and accounting matters and such other 
         inquiries and procedures as may be specified in such letter, 
         nothing came to their attention that caused them to believe that:


<PAGE>

                   (A)  the unaudited condensed consolidated statements of 
              income, consolidated balance sheets and consolidated 
              statements of cash flows included or incorporated by reference 
              in the Company's Quarterly Reports on Form 10-Q delivered with 
              or incorporated by reference in the Prospectus do not comply 
              as to form in all material respects with the applicable 
              accounting requirements of the Exchange Act as it applies to 
              Form 10-Q and the related published rules and regulations 
              thereunder or are not in conformity with generally accepted 
              accounting principles applied on a basis substantially 
              consistent with the basis for the audited consolidated 
              statements of income, consolidated balance sheets and 
              consolidated statements of cash flows included or incorporated 
              by reference in the Company's Annual Report on Form 10-K for 
              the most recent fiscal year;
              
                   (B)  any other unaudited income statement data and balance 
              sheet items included in the Prospectus do not agree with the 
              corresponding items in the unaudited consolidated financial 
              statements from which such data and items were derived, and 
              any such unaudited data and items were not determined on a 
              basis substantially consistent with the basis for the 
              corresponding amounts in the audited consolidated financial 
              statements included or incorporated by reference in the 
              Company's Annual Report on Form 10-K for the most recent 
              fiscal year;
              
                   (C)   the unaudited financial statements which were not 
              included in the Prospectus but from which were derived the 
              unaudited condensed financial statements referred to in Clause 
              (A) and any unaudited income statement data and balance sheet 
              items included in the Prospectus and referred to in Clause (B) 
              were not determined on a basis substantially consistent with 
              the basis for the audited financial statements included or 
              incorporated by reference in the Company's Annual Report on 
              Form 10-K for the most recent fiscal year;

                   (D)  any unaudited pro forma consolidated condensed
              financial statements included in, deliverd with or 
              incorporated by reference in the Prospectus do not comply as 
              to form in all material respects with the applicable 
              accounting requirements of the Act and the published rules and 
              regulations thereunder or the pro forma adjustments have not 
              been properly applied to the historical amounts in the 
              compilation of those statements;
              
                   (E)  as of a specified date not more than five days prior 
              to the date of such letter, there have been any changes in the 
              consolidated capital stock (other than issuances of capital 
              stock upon exercise of options and stock appreciation rights, 
              upon earn-outs of performance shares and 

                                      -2-

<PAGE>

              upon conversions of convertible securities, in each case which 
              were outstanding on the date of the latest balance sheet 
              included in, delivered with or incorporated by reference in 
              the Prospectus) or any increase in the consolidated long-term 
              debt of the Company and its subsidiaries, or any decreases in 
              consolidated net current assets or net assets or other items 
              specified by the Underwriters, or any increases in any items 
              specified by the Underwriters, in each case as compared with 
              amounts shown in the latest balance sheet included or 
              incorporated by reference in the Prospectus, except in each 
              case for changes, increases or decreases which the Prospectus 
              discloses have occurred or may occur or which are described in 
              such letter; and
              
                   (F)  for the period from the date of the latest financial 
              statements included or incorporated by reference in the 
              Prospectus to the specified date referred to in Clause (E) 
              there were any decreases in consolidated net revenues or 
              operating profit or the total or per share amounts of 
              consolidated net income or other items specified by the 
              Underwriters, or any increases in any items specified by the 
              Underwriters, in each case as compared with the comparable 
              period of the preceding year and with any other period of 
              corresponding length specified by the Underwriters, except in 
              each case for increases or decreases which the Prospectus 
              discloses have occurred or may occur or which are described in 
              such letter; and

              (v)  In addition to the examination referred to in their
        report(s) included or incorporated by reference in the Prospectus 
        and the limited procedures, inspection of minute books, inquiries 
        and other procedures referred to in Paragraphs (iii) and (iv) 
        above, they have carried out certain specified procedures, not 
        constituting an examination in accordance with generally accepted 
        auditing standards, with respect to certain amounts, percentages 
        and financial information specified by the Underwriters which are 
        derived from the general accounting records of the Company and its 
        subsidiaries, which appear in the Prospectus (excluding documents 
        delivered therewith or incorporated by reference therein) or in 
        Part II of, or in exhibits and schedules to, the Registration 
        Statement specified by the Underwriters or in documents delivered 
        with, or incorporated by reference in, the Prospectus specified by 
        the Underwriters, and have compared certain of such amounts, 
        percentages and financial information with the accounting records 
        of the Company and its subsidiaries and have found them to be in 
        agreement.

                                       -3-

<PAGE>

                                    [LETTERHEAD]

                               RESTATED CERTIFICATE OF
                                    INCORPORATION

    I, FRANK MURRAY, Secretary of State of the State of Montana, do hereby
certify that duplicate originals of Restate Articles of Incorporation of

                               GREAT FALLS GAS COMPANY

and Statement on Adoption thereon duly executed pursuant to the provisions of
Section 35-1-213 of the Montana Code Annotated have been received in my office
and found to conform to law.

    NOW, THEREFORE, I, FRANK MURRAY, as such Secretary of Sate, by virtue of
the authority vested in me by law, HEREBY ISSUE this Restated Certificate of
Incorporation of Incorporation of

                               GREAT FALLS GAS COMPANY

and attach hereto a duplicate original of the Restated Articles of Incorporation
and the Statement on Adoption thereon.

                                            IN WITNESS WHEREOF, I have
                                       hereunto set my hand and affixed
                                       the Great Seal of the State of
                                       Montana, at Helena, the Capital
                                       this 24th day of November, A.D. 1980.

                                       /s/ Frank Murray
                                       FRANK MURRAY
                                       Secretary of State

                                       /s/ Leonard C. Larson
                                    By   Leonard C. Larson
                                       Chief Deputy


<PAGE>

                                                                  281111
    RESTATED ARTICLES OF INCORPORATION                      STATE OF MONTANA
                                                                   FILED
                     OF                                         NOV 24 1980
                                                               FRANK MURRAY
           GREAT FALLS GAS COMPANY                          SECRETARY OF STATE
                                                             /s/ Frank Murray

    Pursuant to the provisions of Section 58 of the Montana Business
Corporation Act (Section 35-1-213, MCA (1978)), the undersigned corporation,
pursuant to a resolution duly adopted by its Board of Directors, hereby adopts
the following Restated Articles of Incorporation:

    FIRST: The name of the corporation is Great Falls Gas Company.

    SECOND: The duration of the corporation is to be perpetual.

    THIRD: The purposes for which the corporation was and is organized are as
follows:

    (a) To acquire by purchase that certain gas franchise known as "Ordinance
No. 310", passed by the city council of the City of Great Falls, Montana, on the
20th day of January, 1908, and approved by the Mayor of said City on the 21st
day of January, 1908, being a grant to Charles U. Gordon, his associates,
successors and assigns, of the right to construct, maintain and operate a plant
for the manufacture, sale and distribution of illuminating and fuel gas and
their by-products, and to use the streets, alleys and public places of said City
therefor, and thereafter to own, said gas franchise and to use and enjoy the
same according to the nature thereof. (As originally pro-


                                         -1-


<PAGE>

vided in the Articles of Incorporation filed February 11, 1909.)

    (b) To acquire, own and hold lands, buildings, tanks, machinery, pipes and
pipe lines, and any and all suitable appliances for manufacturing, producing,
and distributing illuminating and fuel gas, and by-products, and any and all
other illuminant products for lighting, heating, and any and all other
beneficial uses and purposes to which they may be applied. (As originally
provided in the Articles of Incorporation filed February 11, 1909.)

    (c) To acquire, hold and operate machinery and other property for the
purpose of generating and transmitting electricity, electric energy and electric
light, heat and power; and to supply such gas and illuminant products, heat and
light to the said City of Great Falls, and to the inhabitants thereof, or to any
other useful purpose. (As originally provided in the Articles of Incorporation
filed February 11, 1309.)

    (d) To acquire and hold mineral lands and rights to prospect for, bore,
sink wells, produce, pipe and transport natural gas, oil and petroleum; and to
refine, store and deal in petroleum and other oils and their products and
by-products; to operate and maintain oil and natural gas wells, with suitable
tanks and pipe lines for the same; and to acquire, own, dispose of, develop and
operate mines of coal and coal lands. (As originally provided in the Articles of
Incorporation filed


                                         -2-


<PAGE>

February 11, 1909.)

    (e) To incur indebtedness in such amount as may be deemed necessary or
proper; to evidence such indebtedness by the bonds or other written obligations
of this corporation; and to secure the payment of such indebtedness by mortgage,
deed of trust, or other form of incumbrance of and upon all or any part of the
property, rights, privileges and franchises of this corporation, whether
acquired at the time of making such incumbrance or thereafter to be acquired.
(As originally provided in the Articles of Incorporation filed February 11,
1909.)

    (f) To carry on any other business, or to do any other thing in connection
with the objects and purposes above mentioned that may be necessary or proper to
successfully accomplish or promote said subjects and purposes. And to do any and
all other acts and things, and to exercise any and all other powers, which a
copartnership or natural person could do and exercise, and which now or
hereafter may be authorized by law. (As originally provided in the Articles of
Incorporation filed February 11, 1909.)

    (g) To engage in any lawful act or activity for which corporations may be
organized under the Montana Business Corporation Act.

    (h) To do each and every thing necessary, proper or convenient for the
accomplishment of any such purposes.

                                         -3-


<PAGE>

    FOURTH: The aggregate number of shares which the corporation now has
authority to issue is One Hundred Twenty Thousand (120,000) shares of the par
value of One Dollar and Fifty Cents ($1.50) each, of which Eighty-Seven Thousand
Five Hundred Forty-Four (87,544) shares are issued and outstanding, including
Nine Hundred Thirty-Eight (938) shares of treasury stock. The stated capital of
the corporation is One Hundred Thirty-One Thousand Three Hundred Sixteen Dollars
($131,316.00).

    FIFTH: The Bylaws of this corporation may be altered, amended, or
additional provisions adopted by a majority vote of all of the capital stock
represented in any regular or special meeting of the stockholders, or by a
majority of the directors in any regular or special meeting of the Board of
Directors.

SIXTH: The current address of the initial registered
office of the corporation is:

         725 Central Avenue
         P. O. Box 2229
         Great Falls, Montana 59403.

And the name of its current registered agent at such
Address

         Larry D. Geske

    SEVENTH: The number of directors now constituting the Board of Directors of
the corporation is seven (7).


                                         -4-


<PAGE>

    The foregoing Restated Articles of Incorporation correctly set forth
without change the corresponding provisions of the Articles of Incorporation as
herein and as heretofore amended, and supersede the original Articles of
Incorporation and all amendments thereto. DATED this 1st day of May, 1980.

                               GREAT FALLS GAS COMPANY

                                BY: /s/ Larry D. Geske
                                ------------------------------
                                    LARRY D. GESKE, President

ATTEST:

/s/ Robert W. Creek
- ---------------------------
ROBERT W. CREEK, Secretary

                               VERIFICATION
                               ------------
STATE OF MONTANA     )
                     : ss.
County of Cascade    )

    On this 25th day of August, 1980, before me, the undersigned, a Notary
Public for the State of Montana, personally appeared LARRY D. GESKE and ROBERT
W. CREEK, known to me to be the president and secretary, respectively, of GREAT
FALLS GAS COMPANY, and they, upon their oath, acknowledged to me that such
corporation executed the foregoing Restated Articles of Incorporation of Great
Falls Gas Company and that the statements therein contained are true.

                                       /s/ William Quast
                                       ---------------------------------------
                                       Notary Public for the State of Montana
                                       Residing at Great Falls, Montana
                                       My Commission expires: June 16, 1981

    (NOTARIAL SEAL)


                                         -5-


<PAGE>

                         ARTICLES OF AMENDMENT TO ARTICLES OF
                                    INCORPORATION

The name of the Corporation is the Great Falls Gas Company.

The following is the Article of Amendment to the Articles of Incorporation for
Great Falls Gas Company:
                                                                      [STAMP]

    RESOLVED, that the Shareholders amend the Articles of Incorporation, in
order to increase the number of authorized shares of Common Stock, to effect a
10-for-1 split of the Company's Common Stock and to authorize preferred shares
of Preferred Stock, and to establish the par value of said authorized shares,
such amendment to be effective June 15, 1984, and that to that end Article
Fourth be changed to read as follows: 

    "FOURTH. The total authorized number of shares of this Corporation is 
5,000,000, of which 3,500,000 shall be shares of Common Stock of the par 
value of $.15 each and of which 1,500,000 shall be shares of preferred stock 
of the par value of $.15 each.  The shares of Preferred Stock may be issued 
from time to time by the Board of Directors in one or more series with such 
designations, relative rights, preferences, limitations, dividend rates, 
redemption prices, liquidation prices, conversion rights, sinking or purchase 
fund rights, and other provisions as the Board of Directors may establish, 
fix and determine. The holders of shares of Common Stock shall have one vote 
for each share of Common Stock held on each matter submitted to the holders 
of shares of Common Stock."

    The date of adoption was May 10, 1984, which was the date of a Special
meeting of the Stockholders. There are 86,606 shares of common stock Outstanding
and entitled to vote. The corporation only had one class of stock at the time of
the vote. The holders of 81,066 shares of stock attended, in person or by proxy,
the Special Meeting of Stockholders. The following votes here received:

                                  80,838 votes "for"
                                     161 votes "against"
                                      67 votes "abstained"

    The 10-for-1 split of the Company's common stock requires the
issuance of 9 additional shares to each holder of shares, as of the effective
date of June 1984. The transfer agent will send the additional shares along with
a note of explanation signed by the President of the Corporation.


/s/Larry D. Geske                      /s/ William Quast
- -----------------------                ------------------------
     President                              Secretary



<PAGE>


                                  SECRETARY OF STATE
                                   STATE OF MONTANA

                               CERTIFICATE OF AMENDMENT
                         TO THE CERTIFICATE OF INCORPORATION


    I, JIM WALTERMIRE, Secretary of State of the State of Montana, do hereby
certify that the Articles of Amendment to the Articles of Incorporation of GREAT
FALLS GAS COMPANY, a Montana profit corporation, duly executed pursuant to the
provisions of Section 35-1-210, Montana Code Annotated, have been received in my
office and conform to law.

    NOW, THEREFORE, I, JIM WALTERMIRE, as such Secretary of State, by virtue of
the authority vested in me by law, hereby issue this Certificate of Amendment to
the Certificate of Incorporation of GREAT FALLS GAS COMPANY, a Montana profit
corporation, and attach hereto a copy of the Articles of Amendment to the
Articles of Incorporation.

 .


                                                         IN WITNESS WHEREOF, I
                                                 have hereunto set my hand and
                                                 affixed the Great Seal of the
                                                 State of Montana, at Helena,
                                                 the Capital, this December 10,
                                                 A.D. 1987.

                                                      /s/ Jim Waltermire
                                                      JIM WALTERMIRE
                                                      Secretary of State


<PAGE>

                  GREAT FALLS GAS COMPANY ARTICLES OF INCORPORATION

                                ARTICLES OF AMENDMENT


Pursuant to the provisions of the Montana Business Corporation Act ( MCA Section
35-1-207 et seq.), Great Falls Gas Company submits its Articles of Amendment as
follows:

1. The name of the corporation is Great Falls Gas Company.

2. The amendment adopted by its shareholders reads as follows:

         EIGHTH. A director of the corporation shall not be personally liable
         to the corporation or its shareholders for monetary damages for breach
         of fiduciary duty as a director, except for liability (i) for any
         breach of the director's duty of loyalty to the corporation or its
         shareholders, (ii) for acts or omissions that constitute willful
         misconduct, recklessness, or a knowing violation of law, (iii) under
         Section 409 of the Montana Business Corporation Act, or (iv) for a
         transaction from which the director derives an improper personal
         benefit. If the Montana Business Corporation Act is hereafter amended
         to authorize further elimination or limitation of the liability of a
         director then the liability of a director of the corporation shall be
         eliminated or limited to the fullest extent permitted by the Montana
         Business Corporation Act, as so amended., Any repeal or modification
         of the foregoing provisions of this Article Eight shall not adversely
         affect any right or protection of a director of the corporation
         existing at the time of such repeal or modification.

3. On August 25th the Board of Directors for Great Falls Gas Company adopted a
resolution proposing to amend the Articles of Incorporation in the above manner.
On November 5th shareholders approved that amendment at the annual shareholders
meeting.

4. The number of shares outstanding at the time of the annual meeting was
1,001,146. The number of shares entitled to vote was 991,766. At the time of the
annual meeting the Company had only one authorized class of stock.

5. The number of shares voted in favor of the amendment was 511,728. The number
of shares voted in opposition to the amendment was 14,800.

6. The amended article does not provide for exchange, reclassification or
cancellation of issued shares.


                                         -1-


<PAGE>

              Dated this 7th day of December, 1987.

    By: /s/ Larry D. Geske
        ---------------------------
        Larry D. Geske, President

Attest:


/s/ John C. Allen
- -----------------------------------
John C. Allen, Assistant Secretary

                                     VERIFICATION
STATE OF MONTANA                     )
                                     :  ss.
County of Cascade                    )

    On the 7th day of December, 1987, before me, the undersigned, a Notary
Public for the State of Montana, personally appeared LARRY D. GESKE, and JOHN C.
ALLEN, known to me to be the president and assistant secretary, respectively, of
GREAT FALLS GAS COMPANY, and they, upon their oath, acknowledged to me that such
corporation executed the foregoing Restated Articles of Incorporation of Great
Falls Gas Company and that the statements therein contained are true.


                                       /s/ Cheryl Johnson
                                       ---------------------------------------
                                       Notary Public for the State of Montana
                                       Residing at Great Falls, Montana
                                       My commission expires: February 21, 1988

(NOTARIAL SEAL)                       


                                         -2-


<PAGE>

                  GREAT FALLS GAS COMPANY ARTICLES OF INCORPORATION
                                ARTICLES OF AMENDMENT


Pursuant to the provisions of the Montana Business Corporation Act (MCA 35-1-230
et seq.) Great Falls Gas Company submits its Articles of Amendment as follows:

1.  The name of the corporation is Great Falls Gas Company.

2.  At the Shareholders meeting held November 18, 1993, a majority of its
    Shareholders adopted the following proposals:

    1.   To change the corporate name from Great Falls Gas Company to ENERGY
         WEST, Incorporated,

    2.   To amend the Articles of Incorporation to allow for the election of a
         range in the number of Directors from five to nine.

    Therefore, the Articles of Incorporation shall be changed to replace the
    name Great Falls Gas Company throughout the Articles of Incorporation,
    wherever it appears with the name ENERGY WEST, Incorporated.

    Furthermore, consistent with proposition Number 2 above, Article 3.2 shall
    be changed to read as follows:

    Section 3.2 Number, Qualification and Term of Office. The number of
    directors which shall constitute the whole Board shall be determined by
    resolution of the Board of Directors except that the number of directors
    shall not be less than five or more than nine. Each director shall own at
    least ten shares of capital stock of the Company. The term of office shall
    be one year unless the Board of Directors by resolution implement staggered
    terms consistent with the requirements of prevailing law. The terms of
    directors, if staggered, shall be two years.

3.  On November 18, 1993 the Board of Directors for Great Falls Gas Company
    adopted a resolution proposing to amend the Articles of Incorporation in
    the above manner. On November 18, 1993 shareholders approved that amendment
    at the annual shareholders meeting.

4.  The number of shares outstanding at the time of the annual meeting was
    1,085,724. The number of shares entitled to vote was 1,085,724. At the time
    of the annual meeting the Company had only one authorized class of stock.

5.  The number of shares voted in favor of Proposal No. 1, the Name Change
    amendment, was 951,716. The number of shares voted in opposition to the
    amendment was 16,091.


<PAGE>

    The number of shares voted in favor of the Proposal No. 2, Number of
    Directors, was 941,505. The number of shares voted in opposition to the
    amendment was 25,597.

6.  The amended article does not provide for exchange, reclassification or
    cancellation of issued shares.

Dated this 21st day of December, 1993.

By: /s/ Larry D. Geske
    ----------------------------------
    Larry D. Geske, President and CEO

                             VERIFICATION
STATE OF MONTANA           )
                           :     ss.
County of Cascade          )

On the 20th day of December, 1993, before me, the undersigned, a Notary Public
for the State of Montana, personally appeared LARRY D. GESKE, known to me to be
the President and CEO of ENERGY WEST, Incorporated, and upon his oath,
acknowledged to me that such corporation executed the foregoing Articles of
Amendment of ENERGY WEST, Incorporated and that the statements therein contained
are true.


/s/ Cheryl Johnson
- -----------------------------------------
Notary Public for the State of Montana
Residing at Great Falls, Montana
My commission expires:  February 21, 1994

<PAGE>


                          BY LAWS OF ENERGY WEST, INC.

                                   ARTICLE I

                                    OFFICES

    Section 1.1. PRINCIPAL OFFICE. The principal office of Great Falls Gas
Company, a Montana corporation, (hereinafter called the "Company"), shall be in
the City of Great Falls, County of Cascade, State of Montana.

    Section 1.2. OTHER OFFICES. The Company may also have an office in the City
of Chicago, County of Cook, State of Illinois, and also an office or offices at
such other places either within or without the State of Montana as the board of
Directors (hereinafter called the "Board") may from time to time determine, or
the business of the Company may require.

                                   ARTICLE II

                            MEETINGS OF STOCKHOLDERS

    Section 2.1. PLACE OF MEETINGS. All meetings of stockholders shall be held
at the principal office of the Company in Montana.

    Section 2.2. ANNUAL MEETINGS. Commencing with the year 1951 an annual
meeting of the stockholders of the Company shall be held on the first Thursday
of April in each year if not a legal holiday, and if a legal holiday, then on
the next succeeding business day not a legal holiday. At each annual meeting,
directors shall be elected by stockholders in accordance with the provisions of
the Articles of Incorporation of the Company (hereinafter called the "Articles
of Incorporation") and these By-Laws. Each such annual meeting shall be a
general meeting, open for the transaction of any business within the powers of
the Company, without special notice of such business, except in any case where
special notice may be required by the laws of the State of Montana.

    Section 2.3. SPECIAL MEETINGS OF STOCKHOLDERS. Special meetings of
stockholders for any purpose of purposes may be called at any time by the Board
or the President and shall be called by the Board or the President or the
Secretary upon the request in writing of a stockholder or stockholders holding
of record at least one-fifty of the number of outstanding shares of stock
entitled to vote at such meeting, provided that any such request shall state the
purpose or purposes of the proposed meeting.


                                       1
<PAGE>

    Section 2.4. NOTICE OF MEETINGS. Except as otherwise provided by law, or by
the Articles of Incorporation or by the By-Laws, written notice of each annual
and special meeting of stockholders shall be given by at the direction of the
President or the Secretary, or, in case of a special meeting, by the officer or
the person calling the meeting as provided in these By-Laws, either personally
or by mail, not more than 40 days and not less than 10 days before the meeting,
to each stockholder of record entitled to vote there at. Every such notice shall
state the place, day and hour of the meeting, and, in the case of a special
meeting, shall state briefly the purpose or purposes thereof.

    Section 2.5. QUORUM AND ADJOURNMENTS. For the purpose of any action to be
taken by stockholders at any meeting, the presence in person or by proxy of the
holders of a majority vote there at shall be necessary to constitute a quorum
for the transaction of business except as otherwise expressly provided by law.
If for any reason there is not present a quorum at any meeting as hereinbefore
provided, the stockholders present or represented at the meeting may adjourn,
and such adjournment and the reasons therefor shall be recorded in the journal
of the proceedings of the meetings of stockholders. If from any cause an
election does not take place on the day appointed in these By-laws, it may be
held on any day thereafter as shall be designated by a majority vote of the
stockholders present or represented at such meeting, or to which such election
may be adjourned or ordered by the Board. At any such adjourned meeting, at
which a quorum shall be present or represented, any business may be transacted
which might have been transacted at the meeting as originally notified. The
absence from any meeting of the number required by law or by the Articles of
Incorporation or these By-laws for action upon any given matter shall not
prevent action at such meeting upon any other matter or matters which may
properly come before the meeting if the number required in respect of such other
matters shall be present. Any regularly called meeting of stockholders may
adjourn from day to day, from time to time.

    Section 2.6. ORGANIZATION. Except as otherwise provided by law, at any
meeting of stockholders, the President, or, in the absence of the President, the
Vice President, or, in the absence of both the President and the Vice President,
a chairman, chosen by the vote of a majority in interest of the stockholders
present thereat in person or by proxy and entitled to vote shall act as a
chairman; and the Secretary, or in his absence, an Assistant Secretary, or in
the absence of the Secretary and all Assistant Secretaries, a person whom the
Chairman of the meeting shall appoint shall act as Secretary of the meeting.

    Section 2.7. VOTING BY STOCKHOLDERS. Except as otherwise expressly provided
by law or the Articles of Incorporation, each stockholder present in person or
by proxy at any meeting shall have one vote with respect to each share of stock
registered in his name on the books of the Company:

                                       2

<PAGE>

    (a) on the date fixed pursuant to Section 8.5 hereof as the record date for
the determination of stockholders entitled to notice of and to vote at such
meeting, or

    (b) in the event that no such record date shall have been fixed, then on
the date determined in accordance with Section 8.5 hereof;

    provided, however, that, in all elections for Directors, every stockholder
shall have the right to vote in person or by proxy the number of shares standing
in his name, upon which he is entitled to vote, for as many persons as there are
directors to be elected, or to cumulate said shares, and give one candidate as
many votes as the number of directors multiplied by the number of his shares of
stock shall equal, or to distribute them on the same principle among as many
candidates as he shall think fit. The candidates receiving the highest number of
votes shall be deemed elected.

    Any stockholder entitled to vote at any meeting may vote either in person
or by his proxy appointed by an instrument in writing, subscribed by such
stockholder, or his attorney or agent thereunto authorized in writing and
delivered to the Secretary of the meeting.

    Except as otherwise expressly provided by law or by the Articles of 
Incorporation, all matters to be decided by stockholders at any meeting, 
shall be decided, if a quorum be present, by a plurality of the votes passed 
at the meeting of the stockholders present in person, or by proxy and 
entitled to vote thereon.

    The vote for election of directors shall be by ballot. Unless directed by 
the Chairman of the meeting or demanded by a majority in interest of the 
stockholders present in person or by proxy at any meeting and entitled to 
vote thereon, the vote on any other matter, other than the election of 
directors need not be by ballot. Upon vote by ballot, each proxy if there be 
such proxy, and shall state the number of shares voted by him. In the event 
that a vote by ballot is so taken, the chairman of the meeting may, and, if 
requested by any stockholder present in person or by proxy entitled to vote 
thereon, shall appoint two persons to serve as inspectors of election for the 
purpose of such vote. Such inspectors of election shall examine the ballots 
cast upon the taking of such vote and shall report to the chairman the result 
thereof.


                                       3
<PAGE>


                                     ARTICLE III

                                  BOARD OF DIRECTORS

    Section 3.1. GENERAL POWERS. The corporate powers, business and property of
the Company shall be exercised, conducted and controlled by the Board as from
time to time constituted.

    Section 3.2. NUMBER, QUALIFICATION AND TERM OF OFFICE. The number of 
directors which shall constitute the whole Board shall be six directors, each 
of whom shall be the holder of at least one share of capital stock of the 
Company. The term of office of each director shall be for one year and until 
his successor is elected and qualified.

    Section 3.3. ELECTION OF DIRECTORS. Directors shall be elected solely 
from the list of persons nominated for directors at the meeting. Each 
stockholder entitled to vote, present in person or by proxy, shall have the 
right to nominate persons to be voted upon.

    Section 3.4. PLACE OF MEETINGS. The Board may hold its meetings at the 
principal place of business of the Company in the State of Montana or at the 
office of the Company in the City of Chicago, Illinois, or at such other 
place or places either within or without the State of Montana as the Board 
may from time to time determine or shall be specified or fixed in the 
respective notices or waivers of notice thereof. In case the meetings of the 
Board shall be held outside the State of Montana, either the original minutes 
of each meeting containing a record of all proceedings has thereat and signed 
by the chairman and the secretary of such meeting or full and complete copies 
or duplicates of such minutes certified by such chairman and secretary, under 
the seal of the Company, shall be sent to and kept at the principal office of 
the Company in Montana and shall be a part of the records in Montana.

    Section 3.5. FIRST MEETINGS. A meeting of the Board for the purposes of 
organization, election of officers and transaction of other business shall be 
held, if practicable, at the close of each annual meeting of stockholders for 
election of Directors and at the place of the holding of such election. No 
notice of any such meeting held at such time and place need be given. Such 
meeting may be held at any other time and place which shall be specified in a 
notice given as thereinafter provided of special meetings of the Board or in 
a waiver of notice signed by all the Directors.


                                       4
<PAGE>

    Section 3.6. REGULAR MEETINGS. Regular meetings of the Board may be held, 
with or without notice, at such time and place as may from time to time be 
specified in a resolution adopted by the Board and at the time in effect.

    Section 3.7. SPECIAL MEETINGS: NOTICE. Special meetings of the Board 
shall be held whenever called by the President, or by the Secretary at the 
request of the President, or by not less thank two of the Directors, or not 
less than one-third of the number of Directors then constituting the Board, 
whichever is the greater. Notice of such meetings shall be given to each 
Director at least 48 hours before the time fixed for such meeting, and such 
notice may be given in person or by mail, telegraph, or cable. Every such 
notice shall state the time and place of the meeting, but need not state the 
purposed thereof except as otherwise by law or in these By-Laws expressly 
provided.

    Section 3.8. QUORUM: MANNER OF ACTING. At each meeting of the Board the 
presence of a majority of the full number of Directors shall be necessary to 
constitute a quorum and sufficient to form a Board for the transaction of 
business. Any act and every decision of a majority of the Directors present 
at a meeting at which a quorum shall be present and forming such Board shall 
be the act of the Board, except as may be otherwise specifically provided by 
law or these By-Laws. Any meeting of the Board may be adjourned by a majority 
vote of the Directors present at such meeting. In the absence of a quorum at 
such meeting, a majority of the Directors present thereat may adjourn such 
meeting from time to time until a quorum shall be present thereat. Notice of 
any adjourned meeting need not be given. The Directors shall act only as a 
Board, and the individual Directors shall have no power as such.

    Section 3.9. ORGANIZATION. At all meetings of the Board, the President, 
or, in the absence of the President, a Director chosen by the Board, shall 
act as Chairman. The Secretary, or, in his absence, the Assistant Secretary 
of the Company, or, in the absence of the Secretary and all Assistant 
Secretaries, a person appointed by the chairman of the meeting shall act as 
Secretary of the meeting.

    Section 3.10. COMPENSATION. Directors shall be entitled to receive such 
fees and expenses, if any, for attendance at meetings of the Board of 
Directors, and/or fixed salaries for services as Directors, as may be fixed 
from time to time by resolution of the Board. Directors may also receive 
compensation for services rendered to the Company as officers, members of the 
Executive Committee or other committee, or in any other capacity.

    Section 3.11. VACANCIES. If the office of any director or directors 
becomes vacant by reason of death, resignation, retirement, disqualification, 
or otherwise, such vacancy or vacancies shall except as otherwise provided by 
law of these By-


                                       5
<PAGE>

Laws, be filled by an appointee of the remaining Directors, such appointee to 
hold office for the unexpired term in respect of which the vacancy occurred 
and until the next annual election of Directors.

                                   ARTICLE IV

                    EXECUTIVE COMMITTEE AND OTHER COMMITTEES

    Section 4.1. DESIGNATION: TERM: VACANCIES. The Board, by resolution 
passed by a majority of the whole Board, may designate two or more Directors, 
as it may from time to time determine, to constitute together with the 
President as an ex-officio member, an Executive Committee, and may designate 
one or more other Directors to serve as alternates for the members thereof in 
such order and manner as may be fixed of the Executive Committee, and the 
Secretary, or in his absence an Assistant Secretary, shall be the Secretary 
of the Executive Committee. Any vacancy which may occur in the Executive 
Committee shall be filled by the Board at any regular or special meeting 
thereof.

    Section 4.2. POWERS. To the extent provided in the resolution of the 
Board establishing the Executive Committee, and to the extent permitted by 
law, the Executive Committee shall have all of the powers vested in the Board 
by law or by these By-Laws in the management of the property, business and 
affairs of the Company, and such specific powers as may from time to time be 
conferred upon the Executive Committee by resolution of the Board, and may 
exercise such powers in such manner as the Executive Committee shall deem for 
the best interests of the Company in all cases in which specific directions 
shall not have been given by the Board; provided, however, that the Executive 
Committee shall have no power to make any change in the By-Laws. All action 
taken by the Executive Committee shall be subject to revision or alteration 
by the Board; provided, however, that such revision or alternation shall not 
affect any action taken by any officer or employee of the Company, or by any 
third party, or any rights of third parties that have vested, in reliance 
upon any action or direction of the Executive Committee.

    Section 4.3. PROCEDURE: MEETINGS,: VOTING: RECORDS. The Executive Committee
may prescribe, for the conduct of its business, such rules and regulations, not
inconsistent with these By-Laws, or with such resolution of r the guidance and
control of the Executive Committee as may from time to time be passed by the
Board, as it shall deem necessary or desirable, including, without limitation,
rules fixing the time and place of meetings and the notice to be given thereof,
if any. A majority of the member of the Executive Committee shall constitute a
quorum. The affirmative vote of a majority of the whole Executive Committee, as
from time to time constituted, shall be necessary for the adoption of any
resolution or the taking of any other action. The Executive Committee shall


                                       6
<PAGE>

keep a record of all action taken by it.

    Section 4.4. OTHER COMMITTEES. The Board may from time to time by 
resolution create such other committee or committees (in addition to the 
Executive Committee) of Directors, officers, employees or other person 
designated by it with such authority, function, and duties and compensation 
as the Board shall by resolution prescribe. Each such committee passed by a 
majority of the whole Board, and shall consist upon them by the resolution 
creating such committee. A majority of all the members of any such committee 
may determine the action and fix the time and place of its meetings, unless 
the Board shall otherwise provide. The Board shall have power to change the 
members of any such committee at any time, to fill vacancies, and to 
discharge any such committee, either with or without cause, at any time.

                                   ARTICLE V

                                   OFFICERS

    Section 5.1. DESIGNATION. The principal officers of the Company shall be 
a President, one or more Vice Presidents (one of whom maybe designated as 
the Senior or Executive Vice President), a Secretary, and a Treasurer; and 
there may be, in addition, such appointive officer, agents and employees as 
shall be appointed in accordance with the provisions of Section 4.4 of these 
By-Laws. Two or more offices may be held by the same person, except the 
offices of President and Secretary.

    Section 5.2. ELECTION: QUALIFICATIONS. The principal officers of the 
Company shall be elected annually by the Board at its first meeting following 
the annual meeting of shareholders. The person receiving the greatest number 
of votes cast for any principal office at a meeting of the Board for the 
election of officers, a quorum being present, shall be deemed elected to such 
office. The President shall be elected from among the Directors.

    Section 5.3. TERM OF OFFICE: REMOVAL. Unless sooner removed, each 
principal officer of the Company shall hold office until his successor shall 
have been elected and qualified, but any principal officer may be removed 
from office at any time at the pleasure of the Board.

    Section 5.5. APPOINTIVE OFFICERS AND AGENTS. The Board may appoint such 
officers, other than principal officers, including one or more Assistant 
Secretaries, and Assistant Treasurers, and such agents and employees, as the 
Board may deem necessary or advisable, each of whom shall hold office or his 
position, as the case may be, for such period, have in these By-Laws or as 
the Board may from time to


                                       7
<PAGE>

time determine. The Board may delegate to any principal officer or to any 
committee the power to appoint, remove, fill vacancies, define the tenure of 
office or position, and prescribe the duties and responsibilities of any such 
appointive officers, agents or employees.

    Section 5.6. SALARIES. The compensation of all officers, agents and 
employees of the Company shall be fixed from time to time by the Board, but, 
in the absence of a determination by the board, the President or any other 
principal officer of the Company designation by him shall have the power to 
fix and determine the compensation to be paid appointive officers (other than 
principal officers), agents and employees of the Company.

    Section 5.7. BONDS. The Treasurer and any Assistant Treasurer and such 
other officers and agents of the company as the Board shall prescribe may 
each be required by the Board to give bond to the Company in such form and 
amount and with such surety and upon such conditions as the Board may 
determine. The Company may pay any reasonable premium cost of such bonds.

    Section 5.8. EMPLOYMENT CONTRACTS. Every contract of employment for 
services to be rendered to the Company shall be at the pleasure of the 
Company unless paid contract of employment is in writing, signed by officers 
of the company, and approved or authorized by the Board.

    Section 5.9. PRESIDENT. The President shall be the executive officer of 
the Company; shall preside at meetings for the election of Directors and at 
other meetings of stockholders and at meetings of the Board and of the 
Executive Committee; subject to the control and direction of the Board, shall 
have general supervision, control and management of the affairs and business 
of the Company, and general charge and supervision of all the officers, 
agents and employees of the company, and shall see that all orders and 
resolutions of the Board are carried into effect; shall sign with the 
Secretary any or all certificates of shares of stock of the Company; shall 
sign and execute in the name of the company all deeds, mortgages, bonds, 
contracts or other instruments authorized by the Board, except in cases where 
the signing and execution thereof shall be expressly delegated by the Board 
or these By-Laws to some other officer or agent of the company; and in 
general shall exercise all powers and perform all duties incident to the 
office of President and such other powers and duties as may from time to time 
be assigned to him by the Board or be prescribed by these By-Laws.


                                       8
<PAGE>

    Section 5.10. VICE PRESIDENT. At the request of the President, or during 
his absence or disability, a Vice President shall exercise the powers and 
perform the duties of the President. Each Vice President shall exercise such 
other powers and perform such other duties as may from time to time be 
assigned to him by the Board or by the President or prescribed by these 
By-Laws. In case there shall be more than one Vice President, the foregoing 
shall apply to all the Vice Presidents in the order of there seniority.

    Section 5.11. SECRETARY. The Secretary shall attend all meetings of the 
Board and all meetings of stockholders and shall be and act as the secretary 
of such meetings; shall keep a journal of such meetings in the manner 
provided in these ByLaws; shall give, or cause to be given, all notices 
provided for in these By-Laws or required by the Articles of Incorporation or 
by law; shall be custodian of the records and of the seal of the Company and 
see that the seal is affixed to all documents the execution of which on 
behalf of the Company under its seal is duly authorized in accordance with 
these By-Laws; shall have charge of the Stock and Transfer Book of the 
Company, and shall keep or cause to be kept said book in the manner provided 
in these By-Laws; shall have charge of all books, records and papers of the 
Company relating to its organization as a corporation, and shall see that all 
reports, statements, and other documents required by are properly kept or 
filed by the Treasurer or some other officer; shall sign with the President 
any or all certificates of shares of stock of the company; and in general 
shall exercise all powers and perform all duties incident to the office of 
Secretary and such other powers and duties as may from time to time be 
assigned to him by the Board or the President or be prescribed by these 
By-Laws.

    Section 5.12. ASSISTANT SECRETARIES. The Assistant Secretaries shall 
assist at all time in the performance of the duties of the Secretary, subject 
to his control and direction, and, in the absence of the Secretary, the 
Assistant Secretary designated therefor by the President, or in the absence 
of such designation, and Assistant Secretary, shall exercise the powers and 
perform the duties of the Secretary. The Assistant Secretaries shall exercise 
such other powers and perform such other duties as may from time to time be 
assigned to them by the Board or the President to be prescribed by these 
By-Laws.

    Section 5.13. TREASURER. Subject to order of the Board or the President, 
or as provided for in these By-Laws, the Treasurer shall have the custody of 
the corporate fund and securities; shall keep, or cause to be kept, full and 
accurate books and records of account of the Company; shall deposit all 
moneys and other valuable effects in the name and to the credit of the 
Company, in such depositaries as may be designated by the Board; shall 
disburse the funds of the Company as may be ordered by the Board, taking 
proper vouchers for such disbursements; shall render to the President and 
Directors at the regular meeting of the Board, or whenever they


                                       9

<PAGE>

may require it, an account of all his transactions as Treasurer and of the 
Financial condition of the Company; and in general shall exercise all powers 
and perform all duties incident of the office of Treasurer and such other 
powers and duties as may from time to time be assigned to him by the Board, 
or the President or be prescribed by these By-Laws.

    Section 5.14. ASSISTANT TREASURERS. The Assistant Treasurers shall assist 
at all times in the performance of the duties of the Treasurer, subject to 
his control and direction, and in the absence of the Treasurer, the Assistant 
Treasurer designated therefor by the President, or, in the absence of such 
designation, any Assistant Treasurer, shall exercise the powers and perform 
the duties of the Treasurer. The Assistant Treasurers shall exercise such 
other powers and perform such other duties as may from time to time be 
assigned to them by the Board or the President or be prescribed by these 
By-Laws.

                                   ARTICLE VI

                                INDEMNIFICATION

    Section 6.1. INDEMNIFICATION OF DIRECTORS AND OFFICERS. Each director or 
officer, and their personal representatives, of the Company, shall be 
indemnified by the Company against claims, liabilities, expenses, and costs 
actually and necessarily incurred by him or his estate in connection with or 
arising out of, any action, suit or proceeding in which he is made a party by 
reason of his being, or having been an officer or director of the Company, or 
of any other company fifty per centum (50%) or more of the voting stock of 
which is owned by the Company and which he serves as a Director or officer at 
the request of the Company; provided that the Company shall not indemnify 
such Director or officer with respect to any matters as to which he shall be 
finally adjudged in such action, suit or proceeding to have been liable for 
actual negligence or misconduct in the performance of his duties as such 
Director or officer. The indemnification herein provided for shall also apply 
in respect of any amount paid in compromise of any such claim asserted 
against such Director or officer (including expenses and cost actually and 
necessarily incurred in connection therewith), provided the Board shall have 
first approved such proposed compromise settlement and determined that the 
Director or officer involved was not guilty of actual negligence or 
misconduct; but in taking such action, any Director involved shall not be 
qualified to vote thereon, and if for this reason a quorum of the Board 
cannot be obtained to vote on such matter, it shall be determined by a 
majority of the disinterested members of the Board, whether or not a quorum, 
or such matter may be determined by a committee of three (3) disinterested 
stockholders appointed by the stockholders at a duly called special or 
regular meeting. As to whether or not a Director or officer was guilty of 
actual negligence or misconduct in relation to any such matters, the Board 
and each


                                       10
<PAGE>

Director and officer may conclusively rely upon an opinion of independent legal
counsel selected by the Board or by the disinterested members of the Board or by
said stockholders committee, as the case may be.

                                  ARTICLE VII

                  CHECKS, CONTRACTS, LOANS, BANK ACCOUNT, ETC.

    Section 7.1. CHECK, DRAFTS, ETC. All checks, drafts, bill of exchange or 
other orders for the payment of money, obligations, notes, or other evidences 
of indebtedness, bills of lading, warehouse receipts and insurance 
certificates of the company shall be signed or endorsed by such officer or 
officers, agent or agents, employee or employees of the Company as shall from 
time to time be designated by the Board.

    Section 7.2. CONTRACTS. Unless authorized so to do by these By-Laws or 
the Board, no officer, agent or employee shall have any power or authority to 
bind the Company by any contract or engagement or to pledge its credit or to 
render it liable pecuniarily for any purpose or to any amount. The board may 
authorize one or more officers, agents or employees of the Company to enter 
into any contract or execute and deliver any contract or other instrument in 
the name and on behalf of the Company, and such authority may be general or 
be confined to specific instances.

    Section 7.3. LOANS. No loans shall be contracted on behalf of the 
Company, and no negotiable paper shall be issued in its name, unless 
authorized by the Board. When so authorized, the officer or officers 
thereunto authorized may effect loans and advances at any time of the Company 
from any bank, trust Company or other institution or from any person, firm, 
association or corporation, and or such loans and advances may make, execute 
and deliver promissory notes or other evidences of indebtedness of the 
Company and, when authorized as aforesaid, as security for the payment of any 
and all loans, advances, indebtedness and liabilities of the company, may 
mortgage, pledge, hypothecate or transfer any real or personal property at 
the time or thereafter held or to be held by the Company and to that end 
execute instruments of mortgage or pledge or otherwise transfer such 
property. Such authority may be general or be confined to specific instances. 
No loan of money shall be made by the Company to any stockholder thereof.

    Section 7.4. DEPOSITS: BANK ACCOUNTS. All funds of the Company shall be 
deposited from time to time to the credit of the company in such general or 
special bank account or as the Board may from time to time designate, or as 
may be designated by any officer or officers of the Company to whom the power 
to do so may be delegated by the Board. The Board may make such special rules 
and regulations with respect thereto, not inconsistent with the provisions of 
these By-


                                       11
<PAGE>

Laws, as it may deem expedient.

    Section 7.5. PROXIES. The Board, by resolution from time to time, and
either generally or in specific instances, or the President, unless the Board
shall have acted, may appoint an attorney or attorneys or agent or agents of the
Company, in its name and behalf, to cast the votes, which the Company may be
entitled to cast as a shareholder or otherwise in any other corporation any of
whose stock or other securities may be held by the Company, at meetings of the
holders of the stock or other securities of such other corporation, or to
consent tin writing to any action by such other corporation. Unless otherwise
ordered by the Board, the present, or any other person designated by him for the
purpose, shall have the full power and authority in behalf of the company to
attend and to act and to vote at any meetings of holders of stock or other
securities of any corporation in which the Company may hold stock or securities,
and, at any such meeting, shall possess and may exercise any and all the rights
and powers incident to the ownership of such stock or securities.

                                  ARTICLE VIII

                            SHARES AND THEIR TRANSFER

    Section 8.1. CERTIFICATES FOR SHARES. Certificates for shares of stock of 
the Company shall be in such form as shall be approved by the Board. Each 
such certificate shall bear the corporate seal or a facsimile thereof and 
shall be signed by the President and the Secretary of the Company. In case 
any officer or officers who shall have signed any such certificate or 
certificates shall cease to be such officer or officers before such 
certificate or certificates shall have been issued by the Company, such 
certificate or certificates may none the less be adopted by the Company and 
be issued and delivered as though the person or person who signed such 
certificates or certificates had not ceased to be such officer or officers.

    Section 8.2. TRANSFER OF SHARES. Transfer of shares of stock of the 
Company, whether part paid or full paid, shall be made only on the books of 
the Company, on payment of all taxes thereon and such shares (except as 
hereinafter provided in the case of loss, destruction or mutilation of 
certificates) properly endorsed by the holder thereof, or accompanied by 
proper evidence of succession, assignment or authority to transfer, and 
delivered to Secretary of the Company or a transfer agent, if any, of the 
company. In addition to such other evidence of succession, assignment or 
authority to transfer as may be required by the Company, President, or 
Directors of Company may require when shares are owned by person residing out 
of the of Montana and before entering any transfer of the shares on the books 
of the Company or issuing a certificate therefor to the transferee, from 
attorney or agent of the non-resident owner, or from person claiming under 
the transfer, an


                                       12
<PAGE>

affidavit or other evidences, that the non-resident owner was alive at the 
date of the transfer, and if such affidavit or other satisfactory evidence is 
not furnished, may require from the attorney, agent or claimant, a bond of 
indemnity, with two sureties, satisfactory to the office of the Company or, 
if not so satisfactory, then one approved by the judge of the District Court 
of county in which the principal office of the Company is situated, 
conditioned to protect the Company against any liability to the legal 
representatives of the owners of the shares, in case of his or her death 
before the transfer; and if such affidavit or other evidence or bond be not 
furnished when required as herein provided, neither the Company nor any 
officer thereof, shall be liable for refusing to enter the transfer on the 
book of the Company.

    A person in whose name shares of stock stand on books of Company shall be 
deemed the owner thereof as regards the Company, and, upon any transfer of 
shares, the person or persons into whose name or names such shares shall be 
transferred on books of the Company shall be substituted for the person or 
person out of whose name or names such shares shall have been transferred 
with respect to all rights, privileges and obligations of holders of stock of 
the Company and as against the Company or any other person or persons. Except 
to extent permitted and provided for by law, no transfer of shares of stock 
of the Company shall be valid against the Company, its stockholders or its 
creditors, for any purpose until they shall have been entered on the records 
of the company as hereinbefore in this section provided, or until a new 
certificate is issued to the person to whom it has been transferred. The 
Company shall be entitled to treat the holder of record of any share or 
shares as the holder in fact thereof and, accordingly, shall not be sound to 
recognize any equitable or other claim to or interest in such share on the 
part of any other person, whether or not it shall have express or other 
notice thereof, except as expressly provided by law and these By-Laws.

    Section 8.3. LOST, DESTROYED AND MUTILATED CERTIFICATES. The holder of 
any stock of the company shall immediately notify the company of any loss, 
destruction or mutilation of the certificate for any such stock, and the 
Board may, in its discretion, cause to be issued to him a new certificate or 
certificates of stock upon the surrender of the mutilate certificate or, in 
case or loss or destruction, upon satisfactory proof of such loss or 
destruction; and the board may, in its discretion, require the owner of the 
lost or destroyed certificate or his legal representative to give such surety 
or sureties as it may direct, to indemnify the Company against any claim that 
may be made against it with respect to the certificate or certificates 
alleged to have been lost or destroyed.

    Section 8.4. TRANSFER AGENT AND REGISTRAR: REGULATIONS. The company 
shall, if and whenever the Board shall so determine, maintain one or more 
transfer officers or agencies, each in charge of a transfer agent designated 
by the Board, where the share of the stock of the Company shall be directly 
transferable, and/or one or more


                                       13
<PAGE>

registry offices, each in charge or a registrar designated by the Board where 
such shares of stock shall be registered, and no certificate for share of 
stock of the Company, in respect of which a transfer agent and/or a registrar 
shall have been designated, shall be valid unless countersigned by such 
transfer agent and/or registered by such registrar. The Board may also make 
such additional rules and regulations as it may deem expedient concerning the 
issue, transfer and registration of certificates for shares of the stock of 
the Company.

    Section 8.5. CLOSING OF TRANSFER BOOKS: RECORD DATE. The Board may close 
the stock transfer books of the Company for a period not exceeding forty (40) 
days preceding the date of any meeting of stockholders or election to vote, 
or the date for the payment of any dividend, allotment of rights, or the date 
when any change or conversion or exchange of capital stock shall go into 
effect or the date of any other corporate action or proceeding; provided, 
however, that in lieu of closing the stock transfer books as aforesaid, the 
Board may fix in advance a date not exceeding forty (40) days preceding the 
date of any meeting of stockholders, election or vote, or the date of the 
payment of any dividend, or the date for the allotment of rights, or the date 
when any change or conversion or exchange of capital stock shall go into 
effect, or the date for any other corporate action or proceeding, as a record 
date for the determination of the stockholders entitled to notice of and to 
vote at any such dividend, or any such allotment of rights, or to exercise 
the rights in respect of any such change or conversion or exchange of capital 
stock, or entitled to participate in or benefit by such other corporate 
action or proceeding, and, in such case, such stockholders, and only such 
stockholders, as shall be stockholders of record on the date so fixed shall 
be entitled to notice of and to vote at such meeting, election or vote, or to 
receive payment of such dividend, or to receive such allotment of rights, or 
to exercise such rights of change or conversion or exchange of stock, or to 
participate in or benefit by such other corporate action or proceeding, 
notwithstanding any transfer of any stock on the books of the Company, after 
any such record date fixed as aforesaid. Each share of stock entitled under 
the Article of Incorporation and the laws and constitution of Montana to be 
voted may, at every meeting of the stockholders, be voted by the holder of 
record thereof, on the books of the Company shall have closed, or a date 
shall have been fixed as the record date for the determination of its 
stockholders entitled to vote, as hereinbefore provided, no share of stock 
shall be voted on at any election of directors which shall have been 
transferred on the books of the company within the (10) days next preceding 
such election of directors.

                                   ARTICLE IX

                                   DIVIDENDS

    Section 9.1. PAYMENTS OF DIVIDENDS. Subject to the provisions of law and the


                                       14
<PAGE>


provisions of the Articles of Incorporation, the Board may, at any regular or 
special meeting, declare a dividend out of any funds legally available for 
such purpose on the outstanding share of the Company, which dividends may be 
paid in cash, in property, or in shares of the Company.

                                   ARTICLE X

                               BOOKS AND RECORDS

    Section 10.1. BOOK OF BY-LAWS. A copy of these By-Laws, certified by a 
majority of the Directors and the Secretary of the Company, shall be 
typewritten in a book kept in the principal office of the Company to be known 
as the "Book of By-Laws". Said book shall be open to the inspection of the 
public during the office hours of the Company each day except holidays. 
Whenever any amendment to these By-Laws or new by-laws is adopted, it shall 
be typewritten in the book of By-Laws, with the original By-Laws, and 
immediately after them. If any By-Laws be repealed, the fact of repeal, with 
the date of the meeting at which the repeal was enacted, or written consent 
was filed, shall be stated in said book.

    Section 10.2. JOURNAL OF MEETINGS OF BOARD OF DIRECTORS AND STOCKHOLDERS. 
The Company shall also keep a journal of all meeting of its directors and 
stockholders, with the time and place of holding the same, whether regular or 
special, and if special, its object, how authorized, and the notice thereof 
given. Such record must embrace every act done or ordered to be done; who 
were present, and, in the record of directors' meetings, who absent. If 
requested by any Director or stockholder, the time must be noted when he 
entered the meeting or obtained leave of absence therefrom. On a similar 
request, the "ayes" and "nays" must be taken on any action or proposed 
action, and a record thereof made. On a similar request, the protest of any 
Director or stockholder to any


                                       15
<PAGE>

action or proposed action, must be entered in full, and such records must be 
opened to the inspection of any Director, stockholder or creditor of the 
Company. In lieu of embracing in the records of stockholders' meetings who 
were present, a list showing the names of those present at any such meeting, 
certified by the chairman and secretary thereof, may be filed and kept in the 
office of the Secretary of the Company.

    Section 10.3. STOCK AND TRANSFER BOOK. The Company shall also keep a 
book, to be know as the "stock and transfer book" in which must be kept a 
record of all stock; the names of the stockholders alphabetically arranged; 
installments paid or unpaid; assessments levied, and paid and unpaid, a 
statement of every alienation, sale or transfer of stock made, the date 
thereof, and by and to whom. The Stock and Transfer creditor, provided that 
the Board, may, from time to time, prescribe the conditions and regulations 
pursuant to which such inspections will be permitted.

    Section 10.4. OTHER BOOKS AND RECORDS. The company shall keep a record of 
all business transactions and shall keep such other books and records as the 
Board or the officers may from time to time determine.

    Section 10.5. PLACE OF KEEPING. The books and records of the Company, or 
duplicates duly certified thereof, shall be kept at the principal office of 
the Company.

                                   ARTICLE XI

                            MISCELLANEOUS PROVISIONS

    Section 11.1. SEAL. The corporate seal shall have inscribed thereon the 
name of the Company, the year of its organization, the State of its 
incorporation, and the words "Corporate Seal". Such seal may be used by 
causing it or a facsimile or equivalent thereof to be impressed or affixed or 
reproduced.

    Section 11.2. FISCAL YEAR. The fiscal year of the Company shall begin on 
January 1 and end of December 31 in each year.


                                       16
<PAGE>

    Section 11.3. NOTICES. Any notice required by these By-Laws, or 
otherwise, to be given by mail shall be deemed to have been given by mail to 
any person entitled thereto at the time it shall have been deposited in a 
Post Office or mail box or mail chute maintained of the purpose by the United 
States Government, provided that it shall at the time of such deposit be 
enclosed in a postage prepaid envelope or wrapped addressed to such person at 
his address as it appears on the books and records of the Company, or, if no 
address appears on such books and records, then at such address as shall be 
otherwise known to the Secretary, or, if no such address appears on such 
books and records or is otherwise know to the Secretary, then in care of the 
agent of the Company at its principal office in the State of Montana. 
Whenever, by any provisions of the Articles of Incorporation or these 
By-Laws, or otherwise, any notice is required to be given any specified 
number of days before any meeting or other event, the day on which such 
notice was given shall be counted, but the day of such meeting or other event 
shall not be counted in determining whether or not notice has been given in 
proper time in a particular case.

    Section 11.4. WAIVER OF NOTICE. Except as may be expressly provided by 
law or by the Articles of Incorporation, whenever any notice whatever is 
required to be given under the provisions of the laws of the State of Montana 
or under the provisions of the Articles of Incorporation or these By-Laws, a 
waiver thereof in writing, signed by the person or persons entitled to such 
notice, whether before or after the time stated therein, shall be deemed 
equivalent thereto. Except as maybe otherwise specifically provided by law, 
any waiver by mail, telegraph, cable or wireless, bearing the name of the 
person entitled to notice, shall be deemed a waiver in writing, duly signed. 
The presence of any person at any meeting, either in person or by proxy, 
shall be deemed the equivalent of a waiver in writing, duly signed. 
Attendance of a Director at any meeting of the Board shall constituted a 
waiver of notice of such meeting except where a Director attends for the 
express purpose of objecting to the transaction of any business because the 
meeting was not lawfully called or convened.

    Section 11.5. INFORMAL ACTION BY STOCKHOLDER. When all the stockholders 
entitled under the Articles of Incorporation and the law and constitution of 
Montana to vote at any meeting are present at any meeting, however called or 
notified, and sign a written consent thereto on a record of such meeting, the 
act and proceedings of such meeting are as valid as if has at a meeting 
legally called and noticed.


                                       17
<PAGE>

    Section 11.6. RESIGNATIONS. Except as otherwise provided by law, any 
officer or Director may resign at any time upon giving written notice to the 
President or the Secretary. Such resignation shall take effect at the time 
specified in the notice and, unless otherwise specified therein, the 
acceptance of such resignation shall not be necessary to make it effective.

    Section 11.7. AMENDMENT OF BY-LAWS. These By-Laws may be repealed and 
amended and new By-Law maybe adopted by the affirmative vote of a majority of 
the Board at any Special meeting of the Board if notice of the proposed 
repeal, amendment or new by-law to be adopted be contained in the notice of 
such special meeting, provided that the power to be revoked by the vote of 
the holders of two-thirds (2/3) of the capital stock of the Company at any 
regular meeting of law shall take effect until typewritten, and no repeal of 
any by-law shall take effect until the fact of such repeal shall be stated in 
the Book of By-Laws in accordance with Section 10.1.


                                       18
<PAGE>

                                   AMENDMENTS

                                 OF THE BY-LAWS

Section 2.2.

    Section 2.2. ANNUAL MEETINGS. Commencing with the year 1974 an annual 
meeting of the stockholders of the Company shall be held on the first 
Thursday of May in each year if not a legal holiday, and if a legal holiday, 
then on the next succeeding business day not a legal holiday. At each annual 
meeting, directors shall be elected by stockholders in accordance with the 
provisions of the Articles of Incorporation of the Company (hereinafter 
called the "Articles of Incorporation") and these By-Laws. Each annual 
meeting shall be a general meeting, open for the transaction of any business 
within the powers of the Company, without special notice of such business, 
except in any case where special notice may be required by the laws of the 
State of Montana.

Section 3.2.

    Section 3.2. NUMBER QUALIFICATIONS AND TERMS OF OFFICE. The number of 
directors which shall constitute the whole Board shall be seven directors, 
each of whom shall be the holder of at least one share of capital stock of 
the Company. The term of office of each Director shall be for one year and 
until his successor is elected and qualified.


                                       19

<PAGE>

                                   AMENDMENTS

                                 OF THE BY-LAWS         (At September 1, 1982)

Section 2.2.

    Section 2.2. ANNUAL MEETING. Commencing with the current fiscal year, an 
Annual Meeting of the Stockholders of the Company shall be held on the first 
Thursday of November in each year if not a legal holiday, and if a legal 
holiday, then on the next succeeding business day not a legal holiday. The 
first of the November Annual Meetings is to be held on Thursday, November 4, 
1982. At each Annual Meeting, Directors shall be elected by Stockholders in 
accordance with the provisions of the Articles of Incorporation of the 
Company (hereinafter called the "Articles of Incorporation") and these 
By-Laws. Each Annual Meeting shall be a general meeting, open for the 
transaction of any business within the powers of the Company, without special 
notice of such business except in any case where special notice may be 
required by the laws of the State of Montana.

Section 11.2.

    Section 11.2. FISCAL YEAR. The Fiscal Year of the Company shall begin on 
July 1 and end on June 30 in each year.


                                       20
<PAGE>

                                   AMENDMENTS
                                 OF THE BY-LAWS

Section 3.2

    Section 3.2. NUMBER, QUALIFICATION AND TERM OF OFFICE. The number of 
directors which shall constitute the whole Board shall be determined by 
resolution of the Board of Directors except that the number of directors 
shall not be less than five or more than nine. Each director shall own at 
least ten shares of capital stock of the Company. The term of office shall be 
one year unless the Board of Directors by resolution implement staggered 
terms consistent with the requirements of prevailing law. The terms of 
directors, if staggered, shall be two years.


                                       21
<PAGE>

                                   AMENDMENTS
                                 OF THE BY-LAWS

    Section 5.9. PRESIDENT. The President shall be the executive officer of 
the Company; shall preside at stockholder meetings and at meetings of the 
board subject to the control of the board; shall preside at meetings for the 
election of Directors and at other meetings of stockholders and at meetings 
of the board of the Executive Committee; subject to the control and direction 
of the Board, shall have general supervision, control and management of the 
affairs and business of the Company, and, general charge and supervision of 
Vice Presidents and Division Managers, and shall see that all orders and 
resolutions of the Board are carried into effect; shall sign or delegate to 
one or more Vice Presidents, the power to sign and execute in the name of the 
company all deeds mortgages, bonds, contracts or other instruments as may be 
required in the ordinary course of business; and in general shall exercise 
all powers and perform the duties incident to the office of President and 
such other powers and duties as may from time to time be assigned to him by 
the Board or be prescribed by these By-Laws.


                                       22

<PAGE>

              _____________________________________________________


                           ENERGY WEST INCORPORATED



                                      and


                            NORWEST BANK MINNESOTA,

                             NATIONAL ASSOCIATION


                                    Trustee


              _____________________________________________________


                                   INDENTURE



                            Dated as of ______, 1997


              _____________________________________________________


                                  $8,000,000 


                           __% Notes due June 1, 2012


              _____________________________________________________


<PAGE>


                             ENERGY WEST INCORPORATED

      Reconciliation and tie between Trust Indenture Act of 1939, as amended,
                     and Indenture, dated as of __________, 1997

                              CROSS-REFERENCE TABLE*

    TRUST INDENTURE
      ACT SECTION                                      INDENTURE SECTION
    ---------------                                    -----------------
    310 (a)(1) . . . . . . . . . . . . . . . . . . . . . . . 7.10(a)
        (a)(2) . . . . . . . . . . . . . . . . . . . . . . . 7.10(a)
        (a)(3) . . . . . . . . . . . . . . . . . . . . . . . 7.12
        (a)(4) . . . . . . . . . . . . . . . . . . . . . . . N.A.**
        (a)(5) . . . . . . . . . . . . . . . . . . . . . . . 7.10(b)
           (b) . . . . . . . . . . . . . . . . . . . . . . . 7.08; 7.10; 11.02
           (c) . . . . . . . . . . . . . . . . . . . . . . . N.A.**
       311 (a) . . . . . . . . . . . . . . . . . . . . . . . 7.11
           (b) . . . . . . . . . . . . . . . . . . . . . . . 7.11
           (c) . . . . . . . . . . . . . . . . . . . . . . . N.A.**
       312 (a) . . . . . . . . . . . . . . . . . . . . . . . 2.05
           (b) . . . . . . . . . . . . . . . . . . . . . . . 11.03
           (c) . . . . . . . . . . . . . . . . . . . . . . . 11.03
       313 (a) . . . . . . . . . . . . . . . . . . . . . . . 7.06
        (b)(1) . . . . . . . . . . . . . . . . . . . . . . . N.A.**
        (b)(2) . . . . . . . . . . . . . . . . . . . . . . . 7.06
           (c) . . . . . . . . . . . . . . . . . . . . . . . 11.02
           (d) . . . . . . . . . . . . . . . . . . . . . . . 7.06
       314 (a) . . . . . . . . . . . . . . . . . . . . . . . 4.02; 4.10; 11.02
           (b) . . . . . . . . . . . . . . . . . . . . . . . N.A.**
        (c)(1) . . . . . . . . . . . . . . . . . . . . . . . 11.04
        (c)(2) . . . . . . . . . . . . . . . . . . . . . . . 11.04
        (c)(3) . . . . . . . . . . . . . . . . . . . . . . . N.A.**
           (d) . . . . . . . . . . . . . . . . . . . . . . . N.A.**
           (e) . . . . . . . . . . . . . . . . . . . . . . . 11.05
           (f) . . . . . . . . . . . . . . . . . . . . . . . N.A.**
       315 (a) . . . . . . . . . . . . . . . . . . . . . . . 7.01(b)
           (b) . . . . . . . . . . . . . . . . . . . . . . . 7.05; 11.02
           (c) . . . . . . . . . . . . . . . . . . . . . . . 7.01(a)
           (d) . . . . . . . . . . . . . . . . . . . . . . . 7.01(c)
           (e) . . . . . . . . . . . . . . . . . . . . . . . 6.11

<PAGE>

    316 (a) (last sentence). . . . . . . . . . . . . . . . . 2.09
            (a)(1)(A). . . . . . . . . . . . . . . . . . . . 6.05
            (a)(1)(B). . . . . . . . . . . . . . . . . . . . 6.04
               (a)(2). . . . . . . . . . . . . . . . . . . . N.A.**
                  (b). . . . . . . . . . . . . . . . . . . . 6.07
                  (c). . . . . . . . . . . . . . . . . . . . 6.14
            317(a)(1). . . . . . . . . . . . . . . . . . . . 6.08
               (a)(2). . . . . . . . . . . . . . . . . . . . 6.09
                  (b). . . . . . . . . . . . . . . . . . . . 2.04
              318 (a). . . . . . . . . . . . . . . . . . . . 11.01
                  (b). . . . . . . . . . . . . . . . . . . . N.A.**
                  (c). . . . . . . . . . . . . . . . . . . . 11.01

____________________________

*   This reconciliation and tie shall not, for any purpose, be
    deemed to be part of the Indenture.

**  N.A. means not applicable.

<PAGE>

                                   TABLE OF CONTENTS

SECTION    HEADING                                                  PAGE

           DEFINITIONS AND INCORPORATION BY REFERENCE . . . .         1

1.01       Definitions. . . . . . . . . . . . . . . . . . . .         1
1.02       Other Definitions. . . . . . . . . . . . . .               6
1.03       Incorporation by Reference of Trust Indenture Act          6
1.04       Rules of Construction. . . . . . . . . . . . . . .         6

           THE NOTES. . . . . . . . . . . . . . . . . . . . .         7

2.01       Authorization and Description; Form and Dating . .         7
2.02       Execution and Authentication . . . . . . . . . . .         8
2.03       Registrar and Paying Agent . . . . . . . . . . . .         8
2.04       Paying Agent to Hold Money in Trust. . . . . . . .         9
2.05       Noteholder Lists . . . . . . . . . . . . . . . . .         9
2.06       Transfer and Exchange. . . . . . . . . . . . . . .         9
2.07       Replacement Notes. . . . . . . . . . . . . . . . .        10
2.08       Outstanding Notes. . . . . . . . . . . . . . . . .        10
2.09       Treasury Notes . . . . . . . . . . . . . . . . . .        11
2.10       Temporary Notes. . . . . . . . . . . . . . . . . .        11
2.11       Cancellation . . . . . . . . . . . . . . . . . . .        11
2.12       Defaulted Interest . . . . . . . . . . . . . . . .        11
2.13       Persons Deemed Owners. . . . . . . . . . . . . . .        11

           REDEMPTION OF NOTES AT CORPORATION'S OPTION. . . .        12

3.01       Redemption Right at Corporation's Option . . . . .        12
3.02       Notices to Trustee . . . . . . . . . . . . . . . .        12
3.03       Selection of Notes to be Redeemed. . . . . . . . .        12
3.04       Notice of Redemption . . . . . . . . . . . . . . .        13
3.05       Effect of Notice of Redemption . . . . . . . . . .        13
3.06       Deposit of Redemption Price. . . . . . . . . . . .        13
3.07       Notes Redeemed in Part . . . . . . . . . . . . . .        13

           COVENANTS. . . . . . . . . . . . . . . . . . . . .        14

4.01       Payment of Notes . . . . . . . . . . . . . . . . .        14
4.02       Reporting. . . . . . . . . . . . . . . . . . . . .        14
4.03       Corporate Existence. . . . . . . . . . . . . . . .        14
4.04       Payment of Taxes and Other Claims. . . . . . . . .        14
4.05       Restrictions on Sale of Assets . . . . . . . . . .        15


                                      -i-

<PAGE>

4.06       Restrictions on Liens or Secured Indebtedness  . .        15
4.07       Restrictions on Incurring Additional Fund Debt . .        16
4.08       Restrictions on the Declaration of Dividends . . .        17
4.09       Reports to Governmental Agencies . . . . . . . . .        17
4.10       Compliance Certificate . . . . . . . . . . . . . .        17

           SUCCESSORS . . . . . . . . . . . . . . . . . . . .        18

5.01       When Corporation May Merge, etc. . . . . . . . . .        18

           DEFAULTS AND REMEDIES. . . . . . . . . . . . . . .        18

6.01       Events of Default. . . . . . . . . . . . . . . . .        18
6.02       Acceleration . . . . . . . . . . . . . . . . . . .        21
6.03       Other Remedies . . . . . . . . . . . . . . . . . .        21
6.04       Waiver of Past Default . . . . . . . . . . . . . .        21
6.05       Control by Majority. . . . . . . . . . . . . . . .        21
6.06       Limitation on Suits. . . . . . . . . . . . . . . .        22
6.07       Rights of Holders to Receive Payment . . . . . . .        22
6.08       Collection Suit by Trustee . . . . . . . . . . . .        22
6.09       Trustee May File Proofs of Claim . . . . . . . . .        22
6.10       Priorities . . . . . . . . . . . . . . . . . . . .        23
6.11       Undertaking for Costs. . . . . . . . . . . . . . .        23
6.12       Waiver of Stay or Extension Laws . . . . . . . . .        23
6.13       Restoration of Rights and Remedies . . . . . . . .        24
6.14       Record Date. . . . . . . . . . . . . . . . . . . .        24

           TRUSTEE. . . . . . . . . . . . . . . . . . . . . .        24

7.01       Duties of Trustee. . . . . . . . . . . . . . . . .        24
7.02       Rights of Trustee. . . . . . . . . . . . . . . . .        25
7.03       Individual Rights of Trustee . . . . . . . . . . .        26
7.04       Trustee's Disclaimer . . . . . . . . . . . . . . .        26
7.05       Notice of Defaults . . . . . . . . . . . . . . . .        26
7.06       Reports by Trustee to Holders. . . . . . . . . . .        26
7.07       Compensation and Indemnity . . . . . . . . . . . .        26
7.08       Replacement of Trustee . . . . . . . . . . . . . .        27
7.09       Successor Trustee by Merger, etc.. . . . . . . . .        28
7.10       Eligibility; Disqualification. . . . . . . . . . .        28
7.11       Preferential Collection of Claim Against Corporation      30
7.12       Appointment of Co-Trustee. . . . . . . . . . . . .        30


                                     -ii-

<PAGE>

           DISCHARGE OF INDENTURE . . . . . . . . . . . . . .        31

8.01       Termination of Corporation's Obligations . . . . .        31
8.02       Application of Trust Money . . . . . . . . . . . .        32
8.03       Repayment to Corporation . . . . . . . . . . . . .        32

           AMENDMENTS, SUPPLEMENTS, AND WAIVERS . . . . . . .        32

9.01       Without Consent of Holders . . . . . . . . . . . .        32
9.02       With Consent of Holders. . . . . . . . . . . . . .        32
9.03       Compliance with Trust Indenture Act. . . . . . . .        33
9.04       Revocation and Effect of Consents. . . . . . . . .        33
9.05       Notation on or Exchange of Notes . . . . . . . . .        33
9.06       Trustee Protected. . . . . . . . . . . . . . . . .        33

           REDEMPTION OF NOTES AT HOLDER'S OPTION . . . . . .        33

10.01      Redemption Right at Holder's Option. . . . . . . .        33

           MISCELLANEOUS. . . . . . . . . . . . . . . . . . .        33

11.01      Trust Indenture Act Controls . . . . . . . . . . .        33
11.02      Notices. . . . . . . . . . . . . . . . . . . . . .        33
11.03      Communication by Holders with Other Holders. . . .        35
11.04      Certificate and Opinion as to Conditions Precedent        35
11.05      Statements Required in Certificate or Opinion. . .        35
11.06      Rules by Trustee and Agent . . . . . . . . . . . .        35
11.07      Legal Holidays . . . . . . . . . . . . . . . . . .        36
11.08      No Recourse Against Others . . . . . . . . . . . .        36
11.09      Duplicate Originals. . . . . . . . . . . . . . . .        36
11.10      Governing Law. . . . . . . . . . . . . . . . . . .        36
11.11      Table of Contents, Headings, etc.. . . . . . . . .        36

SIGNATURES. . . . . . . . . . . . . . . . . . . . . . . . . .        37

ACKNOWLEDGEMENTS. . . . . . . . . . . . . . . . . . . . . . .        38

EXHIBIT A - FORM OF GLOBAL SECURITY . . . . . . . . . . . . .       A-1

EXHIBIT B - FORM OF NOTE. . . . . . . . . . . . . . . . . . .       B-1


                                     -iii-

<PAGE>

                    INDENTURE dated as of _________, 1997, between ENERGY 
WEST INCORPORATED, a Montana corporation ("Corporation"), and NORWEST BANK 
MINNESOTA, NATIONAL ASSOCIATION, a national banking association organized and 
existing under the laws of the United States of America ("Trustee").

                    Each party agrees as follows for the benefit of the other 
party and for the equal and ratable benefit of the Holders of the Corporation's
__% Notes due June 1, 2012 ("Notes"):


                                  ARTICLE 1 

                    DEFINITIONS AND INCORPORATION BY REFERENCE

                    SECTION 1.01.  DEFINITIONS.

                    "AFFILIATE" means any Person directly or indirectly 
controlling or controlled by or under direct or indirect common control with 
the Corporation.

                    "AGENT" means any Registrar, Paying Agent or co-registrar 
or agent for service of notices and demands.  See Section 2.03.

                    "BENEFICIAL OWNER" is the Person who has the right to sell, 
transfer or otherwise dispose of an interest in the Notes and the right to 
receive the proceeds therefrom, as well as interest, principal and premium (if 
any) payable in respect thereof.

                    "BOARD OF DIRECTORS" means the Board of Directors of the 
Corporation or any authorized committee of the Board.

                    "BOARD RESOLUTION" means a copy of a resolution certified
by the Secretary or an Assistant Secretary of the Corporation to have been duly
adopted by the Board of Directors and to be in full force and effect.

                    "CAPITALIZED LEASE" means any lease of property (real, 
personal or mixed) which in accordance with generally accepted accounting 
principles in effect from time to time during the term (original or renewal) 
of such lease is required to be capitalized on a balance sheet of the lessee.

                    "CAPITALIZED LEASE OBLIGATION" means at any time, the 
aggregate amount included as a liability on the balance sheet of the lessee 
with respect to the present value of the minimum rental commitment under a 
Capitalized Lease of the lessee.

                                       -1-

<PAGE>
                    "CAPITAL STOCK" means any and all shares, interests, 
participations or other equivalents (however designated) of corporate stock.

                    "COMMON STOCK" means the common stock, par value $0.15 
per share, of the Corporation as the same exists at the date of this 
Indenture or as such stock shall be constituted from time to time.

                    "CONSOLIDATED", when used in conjunction with any other 
defined term means the aggregate amount of the items included within the 
defined term of the Corporation and any Subsidiary (provided, however, that 
in the case of a Subsidiary, the amount of the items included within the defined
term of such Subsidiary shall be calculated only with respect to the 
Corporation's percentage ownership interest in such Subsidiary) on a 
consolidated basis eliminating inter-company items.

                    "CONSOLIDATED NET INCOME" for any period means the aggregate
of the net income of the Corporation and its Subsidiaries for such period after 
eliminating all inter-company items and portions of earnings properly 
attributable to minority interests, if any, in shares of capital stock of such 
Subsidiaries, and after eliminating any extraordinary gains or losses on the 
sale or other disposition of investments, fixed assets or capital assets, and 
any tax deductions or credits on account of such excluded gains or losses, all
computed in accordance with generally accepted accounting principles.

                    "CONSOLIDATED NET INCOME AVAILABLE FOR INTEREST CHARGES" 
for any period means Consolidated Net Income for such period, plus (without 
duplication) all amounts deducted in the computation thereof on account of 
(i) Interest Charges on Consolidated Indebtedness, and (ii) taxes in respect 
of income and excess profits.

                    "CORPORATE TRUST OFFICE" means the office of the Trustee 
located in Minneapolis, Minnesota, at which at any time its corporate trust 
business shall be principally administered, which office at the date of 
execution of this Indenture is located at Norwest Center, Sixth Street and 
Marquette Avenue, Minneapolis, Minnesota 55479-0069, Attention:  Corporate Trust
Department.

                    "CORPORATION" means the party named as such above until a 
successor replaces it pursuant to the applicable provisions of the Indenture and
thereafter means the successor.

                    "DEFAULT" means any event which is, or after notice or 
passage of time would be, an Event of Default.

                                       -2-

<PAGE>
                    "DEFERRED INCOME TAXES" means all taxes in respect of income
and excess profits not due within one year from the date of accrual thereof in 
accordance with generally accepted accounting principles.

                    "DEPOSITORY" means The Depository Trust Company in the City 
of New York and any successor to such Person.

                    "EXCHANGE ACT" means the Securities Exchange Act of 1934, as
from time to time amended.

                    "FUNDED DEBT" means all Indebtedness maturing one year or 
more from the date of the creation thereof.  Deferred Income Taxes do not 
constitute Funded Debt.

                    "GLOBAL SECURITY" means a security evidencing all of the 
Notes issued to the Depository or its nominee and registered in the name of such
Depository or nominee.

                    "HOLDER" OR "NOTEHOLDER" means a person in whose name a Note
is registered; provided, however, that for purposes of Sections 6.06 and 6.07 
and Article 10 hereof, such terms shall also include the Beneficial Owner of any
Note.

                    "INDEBTEDNESS" of a Person means (i) all amounts in respect
of borrowed money (excluding capital stock, earned and capital surplus and 
general contingency reserves) which would be shown on the liabilities side of a
balance sheet of such Person prepared in accordance with generally accepted 
accounting principles as of such date; (ii) all indebtedness secured by any 
mortgage, pledge, lien, security interest or conditional sale or other title 
retention agreement to which any property or asset owned or held by such Person
is subject, whether or not the indebtedness secured thereby shall have been 
assumed; (iii) all Capitalized Lease Obligations; and (iv) all indebtedness of 
others which such Person has guaranteed.

                    For the purpose of computing the Indebtedness of any Person,
there shall be excluded any particular Indebtedness to the extent that, upon or
prior to the maturity thereof, there shall have been deposited with the proper 
depository in trust the necessary funds, or evidences of such Indebtedness, if 
permitted by the instrument creating such Indebtedness, for the payment, 
redemption or satisfaction of such Indebtedness.

                    "INDENTURE" means this Indenture as amended from time to 
time.

                    "INTEREST CHARGES" on any Indebtedness of any Person for any
period, means all amounts which would, in accordance with generally accepted 
accounting principles, be deducted in computing net income for such Person for 
such period on 

                                       -3-

<PAGE>

account of interest on such Indebtedness, including imputed interest in respect
of Capitalized Lease Obligations and amortization of debt discount and expense.

                    "NOTE" OR "NOTES" means the Notes described above issued 
under this Indenture.

                    "OFFICERS" means the Chairman of the Board, any Vice 
Chairman, the President, any Senior Vice President, Executive Vice President, 
Vice President or Assistant Vice President, the Treasurer, the Controller, the
Secretary, any Assistant Treasurer or any Assistant Secretary of the 
Corporation.

                    "OFFICERS' CERTIFICATE" means a certificate signed by two 
Officers, one of whom must be the Chairman of the Board, a Vice Chairman, 
President, a Senior Vice President, an Executive Vice President, a Vice 
President or the Treasurer of the Corporation. See Section 11.04 and 11.05.

                    "OPINION OF COUNSEL" means a written opinion from legal 
counsel who may be an employee of or counsel to the Corporation or the Trustee
and who is acceptable to the Trustee.  See Sections 11.04 and 11.05.

                    "PERSON" means any individual, corporation, partnership, 
joint venture, association, joint-stock company, limited liability company, 
trust, unincorporated organization or government or any agency or political 
subdivision thereof.

                    "PRINCIPAL" of any Note means the principal of such Note 
plus the premium, if any, on such Note.

                    "PRO FORMA ANNUAL INTEREST CHARGES" means as of any date, 
the net amount (without duplication) of (i) Interest Charges in respect of 
Consolidated Indebtedness outstanding on such date, after giving effect to any 
Consolidated Indebtedness being retired out of the proceeds of any Indebtedness
being created, assumed, incurred or guaranteed on such date, for the period of 
12 full calendar months next preceding such date, plus (ii) Interest Charges in
respect of any Indebtedness being created, assumed, incurred or guaranteed on 
such date for the period of 12 full calendar months next succeeding such date.

                    "REDEMPTION DATE" when used with respect to any Note to be 
redeemed means the date fixed for such redemption pursuant to this Indenture.

                    "REDEMPTION PRICE" when used with respect to any Note to be
redeemed means the price at which it is to be redeemed pursuant to this 
Indenture and the Note.

                                       -4-

<PAGE>
                    "SEC" means the Securities and Exchange Commission.

                    "SIGNIFICANT SUBSIDIARY" means any Subsidiary within the 
meaning of Rule 12b-2 under the Exchange Act, as the same may be amended from 
time to time.

                    "STOCKHOLDERS' EQUITY" means, as applied to any Person on 
any date of determination, the amount which would be shown on the balance sheet
of such Person as the difference between such Person's total assets and total 
liabilities, which amount will include capital stock, capital surplus and 
retained earnings, all as calculated in accordance with generally accepted 
accounting principles.

                    "SUBSIDIARY" means  any company (i) a majority (by number of
votes) of the outstanding shares of any class or classes of which shall at the 
time be owned by the Corporation or by any Subsidiary of the Corporation if the
holders of the shares of such class or classes are ordinarily, in the absence of
contingencies, entitled to vote for the election of a majority of the directors 
(or persons performing similar functions) of the issuer thereof, even though the
right so to vote has been suspended by the happening of such a contingency; or
(ii) a majority of other ownership interests of which shall be owned by the 
Corporation or by any Subsidiary of the Corporation, including, without 
limitation partnership interests, joint venture interests or ownership by means
of asset ownership and control.

                    "TANGIBLE ASSETS" means, as applied to any Person at any 
date, all assets other than those which would be treated as intangibles under 
generally accepted accounting principles, including, without limitation, as 
intangibles such items as good will, trademark, trade names, service marks, 
brand names, copyrights, patents, licenses and rights with respect to the 
foregoing, unamortized debt discount and expense, and organization expenses.

                    "TIA" means the Trust Indenture Act of 1939 (15 U.S.C. 
Sections 77aaa-77bbbb) as in effect on the date shown above except as provided
in Section 9.03.

                    "TOTAL CAPITALIZATION" means as applied to any Person on any
date of determination, the sum of such Person's Funded Debt and Stockholder's 
Equity.

                    "TRUSTEE" means the party named as such above until a 
successor replaces it pursuant to the applicable provisions of the Indenture and
thereafter means the successor.

                    "TRUST OFFICER" means the Chairman of the Board, the 
President or any other officer or assistant officer of the Trustee assigned by
the Trustee to administer its corporate trust matters.

                    "UNITED STATES" means the United States of America.

                                       -5-

<PAGE>
                    "U.S. GOVERNMENT OBLIGATIONS" means securities that are 
(x) direct obligations of the United States of America for the payment of which
its full faith and credit is pledged or (y) obligations of a person controlled 
or supervised by and acting as an agency or instrumentality of the United States
of America the payment of which is unconditionally guaranteed as a full faith 
and credit obligation by the United States, which, in either case, are not 
callable or redeemable at the option of the issuer thereof.

                    "VOTING STOCK" means stock having the present right to vote
for the election of directors of a corporation.

                    SECTION 1.02  OTHER DEFINITIONS.

                              Term        Defined in Section

                         "BANKRUPTCY LAW"         6.01
                         "CUSTODIAN"              6.01
                         "EVENTS OF DEFAULT"      6.01
                         "LEGAL HOLIDAY"         11.07
                         "PAYING AGENT"           2.03
                         "REGISTRAR"              2.03
                         "REPRESENTATIVE"        10.01
                         "REDEMPTION REQUEST"    10.02

                    SECTION 1.03.  INCORPORATION BY REFERENCE OF TRUST INDENTURE
ACT. Whenever this Indenture refers to a provision of the TIA, the provision is 
incorporated by reference in and made a part of this Indenture.

                    The following TIA terms used in this Indenture have the 
following meanings:

                    "INDENTURE SECURITIES" means the Notes.

                    "INDENTURE SECURITY HOLDER" means a Noteholder.

                    "INDENTURE TO BE QUALIFIED" means this Indenture.

                    "INDENTURE TRUST" or "INSTITUTIONAL TRUSTEE" means the 
Trustee.

                    "OBLIGOR" on the indenture securities means the Corporation.

                                       -6-

<PAGE>
                    All other terms used in this Indenture that are defined by
the TIA, defined by TIA reference to another statute or defined by SEC rule 
under the TIA have the meanings assigned to them.

                    SECTION 1.04.  RULES OF CONSTRUCTION.  Unless the context 
otherwise requires:

                    (1)       a term has the meaning assigned                 
                              to it;

                    (2)       an accounting term not otherwise defined has    
                              the meaning assigned to it in accordance with   
                              generally accepted accounting principles;

                    (3)       "or" is not exclusive;

                    (4)       words in the singular include the plural, and   
                              in the plural include the singular;

                    (5)       provisions apply to successive events and       
                              transactions; and

                    (6)       "Section" shall refer to a Section of this      
                              Indenture.


                                  ARTICLE 2

                                  THE NOTES

                    SECTION 2.01.  AUTHORIZATION AND DESCRIPTION; FORM AND 
DATING.  There is hereby authorized to be issued under this Indenture a single
issue or series of Notes designated __% Notes due June 1, 2012, limited in 
aggregate principal amount to $8,000,000.  The form of the Notes to be 
originally issued as Global Securities shall be substantially in the form of 
Exhibit A attached hereto and the form of the Notes to be issued in exchange 
for a Global Security shall be substantially in the form of Exhibit B attached
hereto, respectively, with such insertions, omissions and other variations as 
may be necessary to conform to the provisions of this Indenture, the terms of 
such Exhibits A and B being incorporated herein by reference and made a part of
this Indenture.  The Notes may have notations, legends or endorsements required 
by law, stock exchange rule or usage.  Each Note shall be dated the date of its
authentication.  The Notes shall mature and become payable on June 1, 2012 and
shall bear interest from the date set forth in the form of Note contained herein
at the rate of __% per annum.

                                       -7-

<PAGE>
                    SECTION 2.02.  EXECUTION AND AUTHENTICATION.  Two Officers
shall sign the Notes for the Corporation by manual or facsimile signature.  The
Corporation's seal shall be reproduced on the Notes.

                    If an Officer whose signature is on a Note no longer holds 
that office at the time the Note is authenticated, the Note shall nevertheless 
be valid.

                    A Note shall not be valid until authenticated by the manual
signature of the Trustee.  The signature shall be conclusive evidence that the 
Note has been authenticated under this Indenture.

                    The Trustee shall authenticate Notes for original issue up 
to aggregate principal amount of $8,000,000 upon a written order of the 
Corporation signed by two Officers.  The aggregate principal amount of Notes 
outstanding at any time may not exceed that amount except as provided in Section
2.07.

                    The Trustee may appoint an authenticating agent acceptable 
to the Corporation to authenticate Notes.  An authenticating agent may 
authenticate Notes whenever the Trustee may do so.  Each reference in this 
Indenture to authentication by the Trustee includes authentication of such 
agent.  An authenticating agent has the same rights as an Agent to deal with the
Corporation or an Affiliate.

                    SECTION 2.03.  REGISTRAR AND PAYING AGENT.  The Corporation
shall maintain an office or agency where Notes may be presented for registration
of transfer or for exchange ("Registrar"), an office or agency where Notes may 
be presented for payment ("Paying Agent") and an office or agency where notices
and demands to or upon the Corporation in respect of the Notes and this 
Indenture may be served.  The Registrar shall keep a register of the Notes and
of their transfer and exchange.  The Corporation may appoint one or more 
co-registrars and one or more additional paying agents.  The Corporation or any
Subsidiary may act as Registrar or Paying Agent.  The term "Paying Agent" 
includes any additional paying agent.

                    The Corporation shall notify the Trustee of the name and 
address of any Agent not a party to this Indenture.  If the Corporation fails to
maintain a Registrar, Paying Agent or agent for service of notices and demands 
or fails to give the foregoing notice, the Trustee shall act as such.

                    The Corporation initially appoints Norwest Bank Minnesota,
National Association, as Registrar, Paying Agent and agent for service of 
notices and demands.

                    SECTION 2.04.  PAYING AGENT TO HOLD MONEY IN TRUST.  The 
Corporation shall require each Paying Agent other than the Trustee to agree in
writing that the 

                                       -8-

<PAGE>

Paying Agent will hold in trust for the benefit of Noteholders or the Trustee 
all money held by the Paying Agent for the payment of principal or interest on
the Notes, and will notify the Trustee of any Default by the Corporation in 
making such payment.  While any such Default continues, the Trustee may require
a Paying Agent to pay all money held by it to the Trustee.  The Corporation at 
any time may require a Paying Agent to pay all money held by it to the Trustee.
Upon payment over to the Trustee, the Paying Agent shall have no further 
liability for the money. If the Corporation (or any Subsidiary) acts as Paying 
Agent, it shall segregate and hold as a separate trust fund all money held by it
as Paying Agent.

                    SECTION 2.05.  NOTEHOLDER LISTS.  The Trustee shall preserve
in as current a form as is reasonably practicable the most recent list available
to it of the names and addresses of Noteholders.  If the Trustee is not the 
Registrar, the Corporation shall furnish to the Trustee on or before each 
interest payment date and at such other times as the Trustee may request in
writing a list of names and addresses of Noteholders in such form and as of such
date as the Trustee may reasonably require.

                    SECTION 2.06. TRANSFER AND EXCHANGE.  When Notes are 
presented to the Registrar or a co-registrar with a request to register the 
transfer or to exchange them for an equal principal amount of Notes of other 
denominations, the Registrar shall register the transfer or make the exchange,
provided that every Note presented or surrendered for registration of transfer
or exchange shall be duly endorsed or be accompanied by a written instrument of
transfer in form satisfactory to the Corporation and the Registrar duly executed
by the Holder thereof or by his or her attorney duly authorized in writing.  To
permit registrations of transfer and exchanges, the Trustee shall authenticate
Notes at the Registrar's request.  No service charge shall be made for any 
registration of transfer or exchange of Notes, but the Corporation may require 
payment of a sum sufficient to cover any tax or other governmental charge that 
may be imposed in relation thereto, other than exchanges pursuant to 
Sections 2.10 or 3.07.  A Global Security shall be exchangeable pursuant to this
Section 2.06 for Notes registered in the names of Persons other than the 
Depository or its nominee only as provided in this paragraph.  A Global Security
shall be exchangeable pursuant to this Section 2.06 if (x) such Depository 
notifies the Company that it is unwilling or unable to continue as Depository 
for such series or at any time ceases to be a clearing agency registered as such
under the Exchange Act, (y) the Corporation executes and delivers to the Trustee
an Officers' Certificate providing that such Global Security shall be so 
exchangeable or (z) there shall have occurred and be continuing an Event of 
Default which entitles the Holders to accelerate the maturity thereof.  Notes so
issued in exchange for a Global Security shall be of like tenor and maturity, in
authorized denominations and in the aggregate having the same principal amount 
as the Global Security to be exchanged, and shall be registered in such names as
the Depository for such Global Security shall direct.

                                       -9-

<PAGE>
                    Notwithstanding any other provisions of this Section 2.06, a
Global Security may not be transferred except as a whole by the Depository to a
nominee of such Depository or by a nominee of such Depository to such Depository
or another nominee of such Depository.

                    SECTION 2.07.  REPLACEMENT NOTES.  If the Holder of a Note
claims that the Note has been lost, destroyed or wrongfully taken, the 
Corporation shall issue and the Trustee shall authenticate a replacement Note if
the Trustee's requirements are met.  If required by the Trustee or the 
Corporation, an indemnity bond must be obtained and be sufficient in the 
judgment of both to protect the Corporation, the Trustee, any Agent or any 
authenticating agent from any loss which any of them may suffer if a Note is 
replaced.  The Corporation may charge for its expenses in replacing a Note.

                    Every replacement Note is an additional obligation of the 
Corporation.

                    SECTION 2.08.  OUTSTANDING NOTES.  The Notes outstanding at
any time are all the Notes authenticated by the Trustee except for those 
cancelled by it, and those described in this Section 2.08 as not outstanding.

                    If a Note is replaced pursuant to Section 2.07, it ceases to
be outstanding unless the Trustee receives proof satisfactory to it that the 
replaced Note is held by a bona fide purchaser.

                    If Notes are considered paid under Section 4.01, they cease
to be outstanding and interest on them ceases to accrue.

                    A Note does not cease to be outstanding because the 
Corporation or an Affiliate holds the Note.

                    SECTION 2.09.  TREASURY NOTES.  In determining whether the 
Holders of the required principal amount of Notes have concurred in any 
direction, waiver or consent, Notes owned by the Corporation or an Affiliate 
shall be disregarded, except for purposes of determining whether the Trustee 
shall be protected in relying on any such direction, waiver or consent.  Only 
Notes which the Trustee knows are so owned shall be disregarded.

                    SECTION 2.10.  TEMPORARY NOTES.   Until definitive Notes are
ready for delivery, the Corporation may prepare and the Trustee shall 
authenticate temporary Notes.  Temporary Notes shall be substantially in the 
form of definitive Notes but may have variations that the Corporation considers
appropriate for temporary Notes.  Without unreasonable delay, the Corporation 
shall prepare and the Trustee shall authenticate definitive Notes in exchange 
for temporary Notes.

                                       -10-

<PAGE>
                    SECTION 2.11  CANCELLATION.  The Corporation at any time may
deliver Notes to the Trustee for cancellation.  The Registrar and the Paying 
Agent shall forward to the Trustee any Notes surrendered to them for 
registration of transfer, exchange or payment.  The Trustee shall cancel all 
Notes surrendered for registration of transfer, exchange or payment and shall 
dispose of cancelled Notes as the Corporation directs.  The Corporation may not
issue new Notes to replace Notes that it has paid or delivered to the Trustee 
for cancellation.

                    SECTION 2.12.  DEFAULTED INTEREST.  If the Corporation 
defaults in a payment of interest on the Notes, it shall pay the defaulted 
interest in any lawful manner.  It may pay the defaulted interest, plus any 
interest payable on the defaulted interest, to the persons who are Noteholders
on a subsequent record date.  The Corporation shall fix the special record date
and payment date in a manner satisfactory to the Trustee. At least 15 days 
before the special record date, the Corporation shall mail to Noteholders a 
notice that states a special record date, the payment date and the amount of 
interest to be paid.

                    SECTION 2.13.  PERSONS DEEMED OWNERS.  Prior to due 
presentment of a Note for registration of transfer, the Corporation, the 
Trustee and any agent of the Corporation or the Trustee may treat the Person in
whose name such Note is registered as the owner of such Note for purposes of 
receiving payment of principal of (and premium, if any) and (subject to 
Section 2.12) interest, if any, on such Note and for all other purposes 
whatsoever, whether or not such Note be overdue, and neither the Corporation, 
the Trustee nor any agent of the Corporation or the Trustee shall be affected by
notice to the contrary.  All such payments so made to any such Person, or upon 
such Person's order, shall be valid, and, to the extent of the sums so paid, 
effectual to satisfy and discharge the liability for moneys payable upon any 
such Note.

                    Except to the extent provided in Section 6.06 and 6.07 
hereof, no Beneficial Owner of any interest in any Global Security held on its
behalf by a Depository shall have any rights under this Indenture with respect
to such Global Security, and such Depository may be treated by the Corporation,
the Trustee, and any agent of the Corporation or the Trustee as the owner of 
such Global Security for all purposes whatsoever.  Notwithstanding the 
foregoing, nothing herein shall impair, as between a Depository and such 
Beneficial Owners of interests, the operation of customary practices governing 
the exercise of the rights of the Depository as holder of any Note.

                                       -11-

<PAGE>
                                       
                                   ARTICLE 3

                            REDEMPTION OF NOTES AT
                             CORPORATION'S OPTION

                    SECTION 3.01.  REDEMPTION RIGHT AT CORPORATION'S OPTION. 
The Corporation has the right to redeem the Notes prior to maturity at its sole
option, in whole or in part, at any time and from time to time on or after 
December 1, 2002 at the Redemption Prices specified in paragraph 5 of the Note,
subject to the terms and conditions set forth in this Article 3.  The election 
of the Corporation to redeem any Note shall be evidenced by a Board Resolution.

                    SECTION 3.02.  NOTICES TO TRUSTEE.  If the Corporation 
wishes to redeem Notes pursuant to paragraph 5 of the Note, it shall notify the
Trustee of the Redemption Date and the principal amount and maturities of Notes
to be redeemed.  The Corporation shall give the notice provided for in this 
Section not less than 45 days prior to the Redemption Date.

                    SECTION 3.03.  SELECTION OF NOTES TO BE REDEEMED.  If less
than all the Notes are to be redeemed, the Trustee shall select the Notes to be
redeemed by lot. The Trustee shall make the selection not more than 60 days 
before the Redemption Date from Notes then outstanding that have not been 
previously called for redemption.  The Trustee may select for redemption 
portions of the principal of Notes that have denominations larger than $1,000.
Notes and portions of Notes that the Trustee selects shall be in amounts of 
$1,000 or integral multiples of $1,000. Provisions of this Indenture that apply
to Notes called for redemption also apply to portions of Notes called for 
redemption.

                    SECTION 3.04.  NOTICE OF REDEMPTION.  At least 30 days but 
not more than 60 days before a Redemption Date, the Corporation shall mail 
notice of redemption to each Holder whose Notes are to be redeemed.

                    The notice shall state:

                    (1)       the Redemption Date;

                    (2)       the Redemption Price;

                    (3)       the name and address of the Paying Agent;

                    (4)       that Notes called for redemption must be        
                              surrendered to the Paying Agent to collect the  
                              Redemption Price;

                                       -12-

<PAGE>
                    (5)       that interest on Notes called for redemption    
                              ceases to accrue on and after the Redemption    
                              Date (unless the Corporation shall default in   
                              the payment of the Redemption Price): and

                    (6)       if less than all of the Notes outstanding are   
                              to be redeemed, the identification (and in the  
                              case of partial redemption, the respective       
                              principal amounts) of the Notes to be redeemed.

                    At the Corporation's request, the Trustee shall give notice
of redemption in the Corporation's name and at its expense.

                    SECTION 3.05.  EFFECT OF NOTICE OF REDEMPTION.  Once notice
of redemption is mailed, Notes called for redemption become due and payable on 
the Redemption Date at the Redemption Price.

                    SECTION 3.06.  DEPOSIT OF REDEMPTION PRICE.  On or before 
the Redemption Date, the Corporation shall deposit with the Paying Agent cash 
sufficient to pay the Redemption Price and accrued interest on all Notes to be
redeemed.

                    SECTION 3.07.  NOTES REDEEMED IN PART.  Upon surrender of a
Note that is redeemed in part, the Trustee shall authenticate for the Holder a 
new Note having the same maturity as, and equal in principal amount to, the 
unredeemed portion of the Note surrendered.


                                  ARTICLE 4

                                  COVENANTS

                    SECTION 4.01.  PAYMENT OF NOTES.  The Corporation shall pay 
the principal of and interest on the Notes on the dates and in the manner 
provided in the Notes.  Principal and interest shall be considered paid on the 
date due if the Trustee or any Paying Agent holds on that date money sufficient
to pay all principal and interest then due, provided that if Notes are to be 
redeemed, notice of such redemption has been duly given pursuant to this 
Indenture or provision therefor satisfactory to the Trustee has been made.

                    The Corporation shall pay interest on overdue principal at
the rate borne by the Notes; it shall pay interest on overdue installments of
interest at the same rate to the extent lawful.

                    SECTION 4.02.  REPORTING.  The Corporation shall file with 
the Trustee within 30 days after it files them with the SEC copies of the annual
reports and of 

                                       -13-

<PAGE>

the information, documents, and other reports (or copies of such portions of any
of the foregoing as the SEC may by rules and regulations prescribe) which the 
Corporation is required to file with the SEC pursuant to Section 13 or 15(d) of
the Exchange Act.  The Corporation also shall comply with the other provisions 
of TIA Section 314(a).

                    SECTION 4.03.  CORPORATE EXISTENCE.  Subject to Article 5, 
the Corporation will continue to be qualified to do business as a Montana 
corporation and will do or cause to be done all things necessary to preserve and
keep in full force and effect its corporate existence (charter and statutory) 
and franchises of the Corporation; provided however, that the Corporation shall
not be required to preserve any such right or franchise, if the Board of 
Directors shall determine that the preservation thereof is no longer desirable 
in the conduct of the business of the Corporation and that the loss thereof is
not, and will not be, adverse in any material respect to the Holders.

                    SECTION 4.04.  PAYMENT OF TAXES AND OTHER CLAIMS.  The 
Corporation will pay or discharge or cause to be paid or discharged, before the
same shall become delinquent, (i) all taxes, assessments and governmental 
charges levied or imposed upon it or upon the income, profits or property of the
Corporation and (ii) all lawful claims for labor, materials and supplies which,
if unpaid, might by law become a lien upon the property of the Corporation; 
provided, however, that the Corporation shall not be required to pay or 
discharge or cause to be paid or discharged any such tax, assessment, charge or
claim whose amount, applicability or validity is being contested in good faith 
by appropriate proceedings.

                    SECTION 4.05.  RESTRICTIONS ON SALE OF ASSETS.  The 
Corporation will not directly or indirectly sell or otherwise dispose of any of
its properties or assets (except (i) properties or assets disposed of in the 
ordinary course of business, (ii) properties or assets which the Corporation 
determines in good faith are no longer usable or of economic advantage in the 
conduct of any business by the Corporation or any Subsidiary or (iii) properties
or assets transferred by any Subsidiary to the Corporation or a Subsidiary) if,
as a result of such sale or other disposition, the aggregate net book value of 
all properties and assets so disposed of during the twelve-month period next 
preceding the date of such sale or other disposition would constitute more than
15% of the aggregate book value (on a consolidated basis for the Corporation and
its Subsidiaries) of all Tangible Assets of the Corporation and its 
Subsidiaries; provided, however, that any such sale may be disregarded for the 
purposes of this Section 4.05 if the proceeds therefrom are reinvested within
twelve months in businesses related to the business of the Corporation or are
used to prepay Notes upon their terms.

                    SECTION 4.06.  RESTRICTIONS ON LIENS OR SECURED 
INDEBTEDNESS.  The Corporation and its Subsidiaries will not directly or 
indirectly, create, incur, assume

                                       -14-

<PAGE>

or permit to exist any mortgage, lien, charge or encumbrance on, or security 
interest in, or pledge of, or conditional sale or other title retention 
agreement (all such mortgages, liens, charges, encumbrances, security 
interests, pledges and agreements being hereinafter referred to in this 
Section 4.06 as "liens") with respect to any property or asset (including any 
document or instrument in respect of goods or accounts receivable) now owned 
or hereafter acquired by the Corporation or any Subsidiary, or any interest 
therein or income or profits therefrom, without equally and ratably securing 
the Notes with a lien ranking ratably with, and equal to, such secured 
indebtedness; provided, however, that the restrictions of this Section 4.06 
shall not prohibit:

             (1) liens for taxes, assessments or governmental charges or claims
        the payment of which is not at the time required by Section 4.04 hereof;

             (2) statutory liens of landlords and liens of carriers, 
        warehousemen, mechanics and materialmen incurred in the ordinary course
        of business for sums not yet due or being contested in good faith and 
        by appropriate proceedings promptly initiated and diligently conducted,
        if such reserve or other appropriate provision, if any, as shall be 
        required by generally accepted accounting principles shall have been 
        made therefor and if no material items of property would be lost, 
        forfeited or materially damaged as a result of such contest;

             (3) liens incurred or deposits made in the ordinary course of 
        business in connection with workmen's compensation, unemployment 
        insurance and other types of social security, or to secure the 
        performance of tenders, statutory obligations, surety and appeal bonds,
        bids, leases, performance and return-of-money bonds and other similar 
        obligations (exclusive of obligations for the payments of borrowed 
        money);

             (4) any judgment lien, unless the judgment it secures shall not, 
        within 60 days after the entry thereof, have been discharged or 
        execution thereof stayed pending appeal, or shall not have been 
        discharged within 60 days after the expiration of any such stay;

             (5) leases or subleases granted to others in ordinary course of 
        business and not interfering with the ordinary conduct of the business
        of the Corporation or any Subsidiary;

             (6) easements, rights of way, restrictions and other similar 
        charges or encumbrances incurred in the ordinary course of business 

                                       -15-

<PAGE>

        and not interfering with the ordinary conduct of the business of the 
        Corporation or any Subsidiary;

             (7) liens on the property or assets of any Subsidiary securing 
        Indebtedness of such Subsidiary owing to the Corporation;

             (8) liens to secure the purchase price or construction cost of 
        capital assets acquired by or constructed for the Corporation or any 
        Subsidiary after the date hereof or existing on assets of the Company or
        any Subsidiary acquired at the time of acquisition provided that (i) 
        each such lien shall at all times be confined solely to the asset in 
        question, (ii) the aggregate principal amount of Indebtedness secured
        by any such lien shall not exceed 100% of the cost of the acquisition 
        or construction of the asset subject thereto or the fair market value 
        of such asset, whichever is lower and (iii) any such lien on any 
        property acquired, constructed or improved by the Company or any 
        Subsidiary after the date of this Indenture shall be created or 
        assumed contemporaneously with, or within 180 days after, such 
        acquisition, or completion of such construction or improvement, or 
        within six months thereafter pursuant to a firm commitment for 
        financing arranged with a lender or investor within such 180 day 
        period; and

             (9) any other liens or charges securing indebtedness not exceeding
        $1,000,000 in the aggregate.

    SECTION 4.07.  RESTRICTIONS ON INCURRING ADDITIONAL FUNDED DEBT.  The 
Corporation will not create, assume or incur additional Funded Debt unless:

             (1) Consolidated Net Income Available for Interest Charges in two
        of the three preceding fiscal years shall have exceeded 150% of the 
        Pro Forma Annual Interest Charges of the Corporation and its 
        Subsidiaries. If the proceeds from the additional Funded Debt are to be
        used to acquire an operating company which will become a Subsidiary of
        the Corporation, Consolidated Net Income Available for Interest Charges
        will be determined as if such company was a Subsidiary of the 
        Corporation during the three preceding fiscal years; and

             (2)  Consolidated Funded Debt of the Corporation, after giving 
        effect to the additional Funded Debt to be incurred, will not exceed 65%
        of the Total Capitalization of the Corporation, after giving effect to
        the additional Funded Debt and the use of the proceeds therefrom.

        SECTION 4.08.  RESTRICTIONS ON THE DECLARATION OF DIVIDENDS. The 
Corporation shall not declare or pay any dividends (other than dividends payable

                                      -16-

<PAGE>

solely in shares of Common Stock of the Corporation or solely in rights to 
purchase Capital Stock of the Corporation) on, or set apart any sum for the 
payment of any dividends on, or make any other distribution, by reduction of 
capital or otherwise, in respect of, any shares of any class of Capital Stock 
of the Corporation unless after giving effect to such action the aggregate 
amount of dividend payments and related distributions made in the immediately 
preceding 60-month period would not exceed Consolidated Net Income for such 
period.

        SECTION 4.09.  REPORTS TO GOVERNMENTAL AGENCIES.  The Corporation 
will furnish to agencies of the State of Montana, including but not limited 
to the Public Service Commission of the State of Montana, the Commissioner of 
Insurance and the Securities Commissioner, such periodic reports or 
statements as they may reasonably require by law or regulation throughout the 
period in which the Notes remain outstanding.

        SECTION 4.10.  COMPLIANCE CERTIFICATE.  The Corporation shall deliver 
to the Trustee within 120 days after the end of each fiscal year of the 
Corporation an Officers' Certificate stating whether or not the signers know 
of any Default that occurred during fiscal year.  If they do, the certificate 
shall describe the Default and its status.  The certificate need not comply 
with Section 11.05.

                                  ARTICLE 5

                                  SUCCESSORS

        SECTION 5.01.  WHEN CORPORATION MAY MERGE, ETC.   The Corporation 
will not dissolve or otherwise dispose of all or substantially all of its 
assets, and will not consolidate with or merge into another corporation, 
partnership or other entity; provided that the Corporation may consolidate 
with or merge into a corporation or partnership organized and existing under 
the laws of one of the states of the United States, or sell or otherwise 
transfer to another domestic corporation or partnership all or substantially 
all of its assets and thereafter dissolve, if the surviving, resulting or 
transferee corporation or partnership, as the case may be (if other than the 
Corporation):  (i) assumes by supplemental indenture all of the obligations 
of the Corporation under this Indenture and further agrees that it will 
continue to operate its facilities as part of a system comprising a public 
utility regulated by the Public Service Commission of the State of Montana or 
another federal or state agency or authority; and (ii) has a net worth 
immediately subsequent to such acquisition, consolidation or merger equal to 
or greater than $10,000,000; and (iii) immediately after such acquisition, 
consolidation or merger, is not in default in the performance of any covenant 
or condition under this Indenture; and (iv) immediately after giving effect 
to such transaction, no Default, shall have happened and be continuing. For 
purposes of this Section 5.01, the term "net worth" shall mean the 

                                  -17-

<PAGE>

Consolidated assets of the Corporation and its Consolidated Subsidiaries, 
less the Consolidated liabilities of the Corporation and its Consolidated 
Subsidiaries as determined in accordance with generally accepted accounting 
principles.

        At least 30 days prior to the consummation of any of the actions 
contemplated by this Section the Corporation shall deliver to the Trustee an 
Officers' Certificate and Opinion of Counsel each stating that the 
transaction and supplemental indenture comply with this Article.  The 
surviving, resulting or transferee corporation or partnership, as the case 
may be, shall be the successor to the Corporation and deemed to and be 
substituted for the Corporation under the Indenture, and the predecessor 
Corporation in the case of a transfer or lease shall be released from all 
obligations and covenants under the Indenture and the Notes.

                               ARTICLE 6

                          DEFAULT AND REMEDIES

        SECTION 6.01.  EVENTS OF DEFAULT.  An "Event of Default" occurs if:

        (1) the Corporation defaults in the payment of interest on any Note 
            when the same becomes due and payable and the Default continues for
            a period of 30 days;

        (2) the Corporation defaults in the payment of the principal of (or 
            premium, if any, on) any Note when the same becomes due and payable
            at maturity, upon redemption or otherwise;

        (3) the Corporation fails to comply with any of its other agreements in
            the Notes or this Indenture and the Default continues for the period
            and after the notice specified below;

        (4) if an event of default as defined in any mortgage, indenture or 
            instrument under which there is outstanding, or by which there may
            be secured or evidenced, any (A) Indebtedness for money borrowed
            for which the Corporation or a Subsidiary is responsible or liable
            as obligor, guarantor or otherwise or (B) obligations of the 
            Corporation or a Subsidiary as a lessee under leases required to be
            capitalized under generally accepted accounting principles, in 
            either case in an aggregate principal amount of $1,000,000 or more,
            whether such Indebtedness or obligation now exists or shall 
            hereafter be created, shall happen and shall result in such 
            Indebtedness or obligation becoming or being declared due and 
            payable prior to the date on which it 

                                          -18-

<PAGE>

            would otherwise become due and payable, and such acceleration shall
            not be rescinded or annulled, or such Indebtedness or obligation 
            shall not have been discharged, within a period of 10 days after 
            written notice has been given to the Corporation by the Trustee or
            to the Corporation and the Trustee by the Holders of at least 25% in
            principal amount of the Notes then outstanding, specifying such 
            event of default and requiring the Corporation to cause such
            acceleration to be rescinded or annulled or to cause such 
            Indebtedness or obligation to be discharged and stating that such 
            notice is a "Notice of Default" hereunder.

        (5) the Corporation or any Significant Subsidiary, pursuant to or 
            within the meaning of any Bankruptcy Law:

            (A) commences a voluntary case,

            (B) consents to the entry of an order for relief against it in an
                involuntary case,

            (C) consents to the appointment of a Custodian of it or for all or
                substantially all of its property, or

            (D) makes a general assignment for the benefit of its creditors; or

        (6) a court of competent jurisdiction enters an order or decree under 
            any Bankruptcy Law, and the order or decree remains unstayed and in
            effect for 60 days, that:

            (A) is for relief against the Corporation or any Significant 
                Subsidiary, in an involuntary case,

            (B) appoints a Custodian of the Corporation, or any Significant
                Subsidiary, or for all or substantially all of the property of
                the Corporation, or any Significant Subsidiary, or

            (C) orders the liquidation of the Corporation, or any Significant
                Subsidiary.

        The term "Bankruptcy Law" means Title 11, U.S. Code or any similar 
Federal and State law for the relief of debtors.  The term "Custodian" means 
any receiver, trustee, assignee, liquidator or similar official under any 
Bankruptcy Law.

                                      -19-

<PAGE>

        A Default under clause (3) is not an Event of Default until the 
Trustee or the Holders of at least 25% in principal amount of the Notes then 
outstanding notify the Corporation of the Default and the Corporation does 
not cure the Default within 30 days after receipt of the notice.  The notice 
must specify the Default, demand that it be remedied and state that the 
notice is a "Notice of Default."  The Trustee shall, if requested to do so by 
the holders of 25% in principal amount of the Notes, notify the Corporation 
of the Default pursuant to this Section.

        Subject to the provisions of Sections 7.01 and 7.02, the Trustee 
shall not be charged with knowledge of any Event of Default (except for 
defaults to clauses (1) and (2) of Section 6.01 for which no written notice 
shall be required) unless written notice thereof shall have been given to a 
Trust Officer of the Trustee at the Corporate Trust Office by the 
Corporation, the Paying Agent, the Holder of a Note or an agent of such 
Holder or, in the case of an Event of Default under clause (4), by the 
trustee acting under any mortgage, indenture, or other instrument under which 
the event of default shall have occurred or by the holder or the agent of any 
holder of such Indebtedness.

        SECTION 6.02.  ACCELERATION.  If an Event of Default occurs and is 
continuing, the Trustee, by notice to the Corporation, or the Holders of at 
least 25% in principal amount of the Notes then outstanding, by notice to the 
Corporation and the Trustee, may declare the principal of, and accrued 
interest on, all the Notes to be due and payable.  Upon such declaration, the 
principal and interest shall be due and payable immediately.

        The Holders of a majority in principal amount of the Notes then 
outstanding, by notice to the Trustee, may rescind an acceleration of all the 
Notes and its consequences if (i) all existing Events of Default have been 
cured or waived except nonpayment of the principal and interest that has 
become due solely because of the acceleration and (ii) if the rescission 
would not conflict with any judgment or decree of a court of competent 
jurisdiction.  No such rescission shall affect any subsequent default or 
impair any right consequent thereon.

        SECTION 6.03.  OTHER REMEDIES.  If an Event of Default occurs and is 
continuing, the Trustee may pursue any available remedy to collect the 
payment of principal of or interest on the Notes or to enforce the 
performance of any provision of the Notes or this Indenture.

        The Trustee may maintain a proceeding even if it does not possess any 
of the Notes or does not produce any to them in the proceeding.  A delay or 
omission by the Trustee or any Noteholder in exercising any right or remedy 
accruing upon an Event of Default shall not impair the right or remedy or 
constitute 

                                 -20-

<PAGE>

a waiver of or acquiescence in such Event of Default.  All remedies are 
cumulative to the extent permitted by law.

        SECTION 6.04.  WAIVER OF PAST DEFAULT.  The Holders of a majority in 
principal amount of the Notes, by notice to the Trustee, may waive an 
existing Default and its consequences, except a Default in the payment of 
principal of or interest on any Note, an uncured failure to make any 
redemption payment or an uncured Default with respect to a provision which 
cannot be modified under the terms of this Indenture without the consent of 
each Holder affected.

        SECTION 6.05.  CONTROL BY MAJORITY.  The Holders of a majority in 
principal amount of the Notes then outstanding may direct the time (subject 
to the reasonable time requirements of the Trustee), method and place of 
conducting any proceeding for any remedy available to the Trustee or 
exercising any trust or power conferred on it.  However, the Trustee may 
refuse to follow any direction that conflicts with law or this Indenture, is 
unduly prejudicial to the rights of other Noteholders, or, unless the Trustee 
is provided with indemnity pursuant to Section 7.01(e), would involve the 
Trustee in personal liability; provided, that the Trustee may take any other 
action deemed proper by the Trustee which is not inconsistent with such 
direction.

        SECTION 6.06.  LIMITATION ON SUITS.  A Noteholder may pursue a remedy 
with respect to this Indenture or the Notes only if:

        (1) the Holder gives to the Trustee notice of a continuing Event of 
            Default;

        (2) the Holders of at least 25% in principal amount of the Notes then
            outstanding make a written request to the Trustee to pursue the
            remedy;

        (3) such Holder or Holders offer to the Trustee indemnity satisfactory 
            to the Trustee against any loss, liability or expense;

        (4) the Trustee does not comply with the request within 60 days after 
            receipt of the request and the offer of indemnity; and

        (5) during such 60-day period the Holders of a majority in principal 
            amount of the Notes then outstanding do not give the Trustee a
            direction inconsistent with the request.

A Noteholder may not use this Indenture to prejudice the rights of another 
Noteholder or to obtain a preference or priority over another Noteholder.

                                 -21-

<PAGE>

        SECTION 6.07.  RIGHTS OF HOLDERS TO RECEIVE PAYMENT. Notwithstanding 
any other provision of this Indenture, the right of any Holder of a Note to 
receive payment of principal and interest on the Note, on or after the 
respective due dates expressed in the Note, or to bring suit for the 
enforcement of any such payment on or after such respective dates, is 
absolute and unconditional and shall not be impaired or affected without the 
consent of the Holder.

        SECTION 6.08.  COLLECTION SUIT BY TRUSTEE.  If an Event of Default in 
payment of interest or principal specified in Section 6.01(1) or (2) occurs 
and is continuing, the Trustee may recover judgment in its own name and as 
trustee of an express trust against the Corporation for the whole amount of 
unpaid principal and accrued interest remaining unpaid.

        SECTION 6.09.  TRUSTEE MAY FILE PROOFS OF CLAIM.  The Trustee may 
file such proofs of claim and other papers or documents as may be necessary 
or advisable in order to have the claims of the Trustee (including any claim 
for the reasonable compensation, expenses, disbursements and advances of the 
Trustee, its agents and counsel) and the Noteholders allowed in any judicial 
proceedings relative to the Corporation, its creditors or its property, and 
shall be entitled and empowered to collect and receive any monies or other 
property payable or deliverable on any such claims and to distribute the 
same, and any Custodian in any such judicial proceeding is hereby authorized 
by each Noteholder to make such payment to the Trustee, and in the event that 
the Trustee shall consent to the making of such payments directly to the 
Noteholders, to pay to the Trustee any amount due to it for the reasonable 
compensation, expenses and disbursements and advances of the Trustee, its 
agents and counsel, and any other amounts due the Trustee under Section 7.07.

        SECTION 6.10.  PRIORITIES.  If the Trustee collects any money 
pursuant to this Article, it shall pay out the money in the following order:

     FIRST:  to the Trustee for amounts due under Section 7.07;

     SECOND:  to Noteholders for amounts due and unpaid on the
     Notes for principal and interest, ratably, without preference
     or priority of any kind, according to the amounts due and
     payable on the Notes for principal and interest, respectively;
     and

     THIRD:  to the Corporation.

        The Trustee may fix a record date and payment date for any payment to 
Noteholders pursuant to this Article.

                                     -22-

<PAGE>

        SECTION 6.11.  UNDERTAKING FOR COSTS.  In any suit for the 
enforcement of any right or remedy under this Indenture or in any suit 
against the Trustee for any action taken or omitted by it as Trustee, a court 
in its discretion may require the filing by any party litigant in the suit of 
an undertaking to pay the costs of the suit, and the court in its discretion 
may assess reasonable costs, including reasonable attorneys' fees, against 
any party litigant in the suit, having due regard to the merits and good 
faith of the claims or defenses made by the party litigant.  This Section 
does not apply to a suit by the Trustee, a suit by a Holder pursuant to 
Section 6.07 or a suit by Holders of more than 10% in principal amount of the 
Notes.

        SECTION 6.12.  WAIVER OF STAY OR EXTENSION LAWS.  The Corporation 
covenants (to the extent that it may lawfully do so) that it will not at any 
time insist upon, or plead, or in any manner whatsoever claim or take the 
benefit or advantage of, any stay or extension law wherever enacted, now or 
at any time hereafter in force, which may affect the covenants or the 
performance of the Indenture; and the Corporation (to the extent that it may 
lawfully do so) hereby expressly waives all benefit or advantage of any such 
law, and covenants that it will not hinder, delay or impede the execution of 
any power herein granted to the Trustee, but will suffer and permit the 
execution of every such power as though no such law had been enacted.

        SECTION 6.13.  RESTORATION OF RIGHTS AND REMEDIES.  If the Trustee or 
any Holder has instituted any proceeding to enforce any right or remedy under 
the Indenture and such proceeding has been discontinued or abandoned for any 
reason, or has been determined adversely to the Trustee or to such Holder, 
then and in every such case the Corporation, the Trustee and the Holders 
shall, subject to any determination in such proceeding, be restored severally 
and respectively to their former positions hereunder, and thereafter all 
rights and remedies of the Trustee and the Holders shall continue as though 
no such proceeding had been instituted.

        SECTION 6.14.  RECORD DATE.  The Corporation may set a record date 
for purposes of determining the identity of Noteholders entitled to vote or 
consent to any action by vote or consent authorized or permitted by Section 
7.04 and Section 7.05 of this Indenture.  Such record date shall be the later 
of 30 days prior to the first solicitation of such consent or the date of the 
most recent list of holders furnished to the Trustee pursuant to Section 2.05 
of this Indenture prior to such solicitation.

                                    -23-

<PAGE>

                                 ARTICLE 7

                                  TRUSTEE

        SECTION 7.01.  DUTIES OF TRUSTEE.

    (a) If an Event of Default has occurred and is continuing, the Trustee 
        shall exercise such of the rights and powers vested in it by this 
        Indenture, and use the same degree of care and skill in its exercise 
        as a prudent person would exercise or use under the circumstances in 
        the conduct of his or her own affairs.

    (b) Except during the continuance of an Event of Default:

        (1) The Trustee need perform only those duties that are specifically 
            set forth in this Indenture and no others.

        (2) In the absence of bad faith on its part, the Trustee may 
            conclusively rely, as to the truth of the statements and the 
            correctness of the opinions expressed therein, upon certificates
            or opinions furnished to the Trustee and conforming to the 
            requirements of this Indenture.  However, the Trustee shall examine
            the certificates and opinions to determine whether or not they 
            conform to the requirements of this Indenture.

    (c) The Trustee may not be relieved from liability for its own negligent 
        action, its own negligent failure to act or its own willful misconduct,
        except that:

        (1) This paragraph does not limit the effect of paragraph (b) of this 
            Section;

        (2) The Trustee shall not be liable for any error of judgment made in 
            good faith by a Trust Officer, unless it is proved that the Trustee
            was negligent in ascertaining the pertinent facts; and

        (3) The Trustee shall not be liable with respect to any action it takes
            or omits to take in good faith in accordance with a direction 
            received by it pursuant to Section 6.05.

    (d) Every provision of this Indenture that in any way relates to the 
        Trustee is subject to paragraphs (a), (b) and (c) of this Section.

                                    -24-

<PAGE>

    (e) The Trustee may refuse to perform any duty or exercise any right or 
        power unless it receives indemnity satisfactory to it against any loss,
        liability or expense.

    (f) The Trustee shall not be liable for interest on any money received by 
        it except as otherwise agreed with the Corporation.  Money held in 
        trust by the Trustee need not be segregated from other funds except to 
        the extent required by law.

        SECTION 7.02.  RIGHTS OF TRUSTEE.  Except as otherwise provided in 
Section 7.01:

    (a) The Trustee may rely on any document believed by it to be genuine and 
        to have been signed or presented by the proper person.  The Trustee 
        need not investigate any fact or matter stated in the document. 

    (b) Before the Trustee acts or refrains from acting, it may require an 
        Officers' Certificate or an Opinion of Counsel.  The Trustee shall not
        be liable for any action it takes or omits to take in good faith in 
        reliance on the Officers' Certificate or Opinion of Counsel.

    (c) The Trustee may act through agents and shall not be responsible for the
        misconduct or negligence of any agent appointed with due care.

    (d) The Trustee shall not be liable for any action it takes or omits to 
        take in good faith which it believes to be authorized or within its 
        rights or powers.

        SECTION 7.03.  INDIVIDUAL RIGHTS OF TRUSTEE.  The Trustee in its 
individual or any other capacity may become the owner or pledgee of Notes and 
may otherwise deal with the Corporation or an Affiliate with the same rights 
it would have if it were not Trustee.  Any Agent may do the same with like 
rights. However, the Trustee is subject to Sections 7.10 and 7.11.

        SECTION 7.04.  TRUSTEE'S DISCLAIMER.  The Trustee makes no 
representation as to the validity or adequacy of this Indenture or the Notes, 
it shall not be accountable for the Corporation's use of the proceeds from 
the Notes, and it shall not be responsible for any statement in the Notes 
other than its authentication.

        SECTION 7.05.  NOTICE OF DEFAULTS.  If a Default occurs and is 
continuing and if it is known to the Trustee, the Trustee shall mail to 
Noteholders a notice of the Default within 90 days after it occurs.  Except 
in the case of Default in payment on any Note, the Trustee may withhold the 
notice if and so long as a committee of 

                                   -25-

<PAGE>

its Trust Officers in good faith determines that withholding the notice is in 
the interests of Noteholders.

        SECTION 7.06.  REPORTS BY TRUSTEE TO HOLDERS.  If required, within 60 
days after each May 15 beginning with the May 15 following the date of this 
Indenture, the Trustee shall mail to each Noteholder a brief report, dated as 
of such reporting date, that complies with TIA Section 313(a).  The Trustee 
also shall comply with TIA Section 313(b)(2).

        A copy of each report at the time of its mailing to Noteholders shall 
be filed with the SEC, each stock exchange on which the Notes are listed and 
the Corporation.  The Corporation shall notify the Trustee when the Notes are 
listed on any stock exchange.

        SECTION 7.07.  COMPENSATION AND INDEMNITY.  The Corporation shall pay 
to the Trustee from time to time reasonable compensation for its services, 
including, following an Event of Default, the reasonable extraordinary fees 
and expenses of the Trustee for its services.  The Trustee's compensation 
shall not be limited by any law on compensation of a trustee of an express 
trust.  The Corporation shall reimburse the Trustee upon request for all 
reasonable out-of-pocket expenses incurred by it.  Such expenses shall 
include the reasonable compensation and out-of-pocket expenses of the 
Trustee's agents and counsel.

        The Corporation shall indemnify the Trustee against any loss or 
liability incurred by it, with respect to the Trustee's fulfillment of its 
duties hereunder.  The Trustee shall notify the Corporation promptly of any 
claim for which it may seek indemnity. The Corporation shall defend the claim 
and the Trustee shall cooperate in the defense.  The Trustee may have 
separate counsel and the Corporation shall pay the reasonable fees and 
expenses of such counsel.  The Corporation need not pay for any settlement 
made without its consent.

        The Corporation need not reimburse any expense or indemnify against 
any loss or liability incurred by the Trustee through negligence or bad faith.

        To secure the Corporation's payment obligations in this Section, the 
Trustee shall have a lien prior to the Notes on all money or property held or 
collected by the Trustee, except that held in trust to pay principal of and 
interest on particular Notes.

        When the Trustee incurs expenses or renders services after an Event 
of Default specified in Section 6.01(5) or (6) occurs, the expenses and the 
compensation for the services are intended to constitute expenses of 
administration under any Bankruptcy Law.

                                -26-

<PAGE>

        SECTION 7.08.  REPLACEMENT OF TRUSTEE.  A resignation or removal of 
the Trustee and appointment of a successor Trustee shall become effective 
only upon the successor Trustee's acceptance of appointment as provided in 
this Section.

        The Trustee may resign by so notifying the Corporation. The Holders 
of a majority in principal amount of the Notes may remove the Trustee by so 
notifying the Trustee and the Corporation. The Corporation may remove the 
Trustee if:

    (1) the Trustee fails to comply with Section 7.10;

    (2) the Trustee is adjudged a bankrupt or an insolvent;

    (3) a receiver or public officer takes charge of the Trustee
        or its property; or

    (4) the Trustee becomes incapable of acting.

        If the Trustee resigns or is removed or if a vacancy exists in the 
office of Trustee for any reason, the Corporation shall promptly appoint a 
successor Trustee.

        If a successor Trustee does not take office within 60 days after the 
retiring Trustee resigns or is removed, the retiring Trustee, the Corporation 
or the Holders of at least 10% in principal amount of the Notes then 
outstanding may petition any court of competent jurisdiction for the 
appointment of a successor Trustee.

        If the Trustee fails to comply with Section 7.10(b), any Noteholder 
who has been a bond fide Holder of Notes for at least six months may petition 
any court of competent jurisdiction for the removal of the Trustee and the 
appointment of a successor Trustee if the Trustee fails to comply with the 
written request of such Noteholder to comply with Section 7.10(b).

        A successor Trustee shall deliver a written acceptance of its 
appointment to the retiring Trustee and to the Corporation. Thereupon the 
resignation or removal of the retiring Trustee shall become effective, and 
the successor Trustee shall have all the rights, powers and duties of the 
Trustee under this Indenture.  The successor Trustee shall mail a notice of 
its succession to Noteholders.  The retiring Trustee shall promptly transfer 
all property held by it as Trustee to the successor Trustee, subject to the 
lien provided for in Section 7.07.

        SECTION 7.09.  SUCCESSOR TRUSTEE BY MERGER, ETC.  If the Trustee 
consolidates, merges or converts into, or transfers all or substantially all 
of its corporate trust business to, another corporation, the resulting, 
surviving or transferee corporation without any further act shall be the 
successor Trustee.

                               -27-

<PAGE>

        SECTION 7.10.  ELIGIBILITY; DISQUALIFICATION.

        (a) This Indenture shall always have a Trustee who satisfies the 
requirements of TIA Section 310(a)(1).  The Trustee shall always have a 
combined capital and surplus of at least $150,000 as set forth in its most 
recent published annual report of condition.

        (b) In no event shall the Corporation, or any person directly or 
indirectly controlling, controlled or under common control with the 
Corporation, serve as Trustee or Co-Trustee.

        (c) If the Trustee has or shall acquire any conflicting interest, as 
defined in this Section and if the default to which such conflicting interest 
related has not been cured or duly waived or otherwise eliminated within 90 
days after the Trustee has ascertained that it has such conflicting interest, 
the Trustee shall within such 90-day period either eliminate such conflicting 
interest or resign in the manner and with the effect hereinabove specified in 
Section 7.08 of this Article, such resignation to become effective upon the 
appointment of a successor trustee and such successor's acceptance of such 
appointment, and the Corporation shall take prompt steps to have a successor 
appointed in the manner provided in Section 7.08.

        (d) In the event that the Trustee shall fail to comply with the 
provisions of paragraph (c) of this Section, the Trustee shall, within 10 
days after the expiration of such 90-day period, transmit by mail to all 
Holders, as their names and address appear in the register of Noteholders, 
notice of such failure.

        (e) For the purposes of this Section, the Trustee shall be deemed to 
have a conflicting interest if the Notes are in default and:

    (1) the Trustee is a trustee under another indenture under which any other
        securities, or certificates of interest or participation in any other 
        securities, of the Corporation are outstanding or is Trustee for more 
        than one outstanding series of securities under a single indenture of 
        the Corporation, unless such other indenture is a collateral trust 
        indenture under which the only collateral consists of Notes issued under
        this Indenture, provided that there shall be excluded from the operation
        of this paragraph any other indenture or indentures under which other 
        securities, or certificates of interest or participation in other 
        securities, of the Corporation are outstanding, if

        (A) this Indenture and such other indenture or indentures (and all 
            series of securities issuable thereunder) are wholly unsecured and
            rank equally, and such other indenture or indentures (and 

                                    -28-

<PAGE>

            such series) are hereafter qualified under the TIA, unless the SEC 
            shall have found and declared by order pursuant to Section 305(b) 
            or Section 307(c) of the TIA that differences exist between the 
            provisions of this Indenture (or such series) and the provisions 
            of such other indenture or indentures (or such series) which are so
            likely to involve a material conflict of interest as to make it 
            necessary in the public interest or for the protection of investors
            to disqualify the Trustee from acting as such under one of such 
            indentures, or

        (B) the Corporation shall have sustained the burden of proving, on 
            application to the SEC and after opportunity for hearing thereon,
            that trusteeship under this Indenture and such other indenture or 
            under more than one outstanding series under a single indenture is
            not so likely to involve a material conflict of interest as to make
            it necessary in the public interest or for the protection of 
            investors to disqualify the Trustee from acting as such under 
            one of such indentures or with respect to such series; or

    (2) the Trustee shall come within the provisions of paragraphs (2) through 
        (10) of TIA Section 310(b), subject to the exception permitted by the 
        second sentence of TIA Section 310(b)(9).

        (f) Except in the case of Default in payment on any Note, the Trustee 
shall not be required to resign as provided in this Indenture if the Trustee 
sustains the burden of proving, on application to the SEC and after 
opportunity for hearing thereon, that

    (1) the Default under this Indenture may be cured or waived during a 
        reasonable period and under the procedures of such application, and

    (2) a stay of the Trustee's duty to resign will not be inconsistent with 
        the interests of the Noteholders.

        SECTION 7.11.  PREFERENTIAL COLLECTION OF CLAIMS AGAINST CORPORATION. 
The Trustee is subject to TIA Section 311(a), excluding any creditor 
relationship listed in TIA Section 311(b).  A Trustee who has resigned or 
been removed is subject to TIA Section 311(a) to the extent indicated.

        SECTION 7.12.  APPOINTMENT OF CO-TRUSTEE.  It is the purpose of this 
Indenture that there shall be no violation of any law of any jurisdiction 
denying or restricting the right of banking corporations or associations to 
transact business as trustees in such jurisdiction.  It is recognized that in 
case of litigation under this 

                              -29-

<PAGE>

Indenture, and in particular in case of the enforcement on an Event of 
Default, or in case the Trustee deems that by reason of any present or future 
law of any jurisdiction it may not exercise any of the powers, rights or 
remedies herein granted to the Trustee in trust, as herein granted, or take 
any other action which may be desirable or necessary in connection therewith, 
it may be necessary that an additional individual or institution be appointed 
as a separate or Co-Trustee.

        At any time or times, for the purpose of meeting the legal 
requirements of any jurisdiction, the Trustee and the Corporation may appoint 
an additional individual or institution as a separate or Co-Trustee, in which 
event each and every remedy, power, right, claim, demand, cause of action, 
immunity, estate, title, interest and lien expressed or intended by this 
Indenture, to be exercised by or vested in or conveyed to the Trustee with 
respect thereto shall be exercisable by and vest in such separate or 
Co-Trustee but only to the extent necessary to enable such separate or 
Co-Trustee to exercise such powers, rights and remedies, and every covenant 
and obligation necessary to the exercise thereof by such separate or 
Co-Trustee shall run to and be enforceable by either of them.  If the 
Corporation does not join in such appointment within 15 days after receipt by 
it of a request so to do, or in case an Event of Default has occurred and is 
continuing, the Trustee alone shall have power to make such appointment.

        Should any deed, conveyance or instrument in writing from the 
Corporation be required by the separate or Co-Trustee so appointed by the 
Trustee for more fully and certainly vesting in and confirming to it such 
properties, rights, powers, trusts, duties and obligations, including 
particularly the right to be paid its fees and expenses for services 
rendered, any and all such deeds, conveyances and instruments in writing 
shall, on request, be executed, acknowledged and delivered by the 
Corporation.  In case any separate or Co-Trustee, or a successor to either, 
shall die, become incapable of acting, resign or be removed, all the estates, 
properties, rights, powers, trusts, duties and obligations of such separate 
or Co-Trustee, so far as permitted by law, shall vest in and be exercised by 
the Trustee until the appointment of a new Trustee or successor to such 
separate or Co-Trustee.

        The rights, powers, duties and obligations hereby conferred or 
imposed upon the Trustee in respect of this Indenture shall be conferred or 
imposed upon and exercised or performed by the Trustee or by the Trustee and 
such separate or Co-Trustee jointly, as shall be provided in the instrument 
appointing such separate or Co-Trustee, except to the extent that under any 
law of any jurisdiction in which any particular act is to be performed, the 
Trustee shall be incompetent or unqualified to perform such act, in which 
event such rights, powers, duties and obligations shall be exercised and 
performed by such separate or Co-Trustee.

                                -30-
<PAGE>

                                   ARTICLE 8

                            DISCHARGE OF INDENTURE

     SECTION 8.01.  TERMINATION OF CORPORATION'S OBLIGATIONS. The Corporation 
may at any time terminate all of its obligations under this Indenture if:

     (1)  the Notes mature within one year or all of them are to be called 
          for redemption within one year under arrangements satisfactory to 
          the Trustee for giving the notice of redemption, or, if the 
          earliest date on which the Notes may be called for redemption is 
          more than one year from such date, all of them are to be called for 
          redemption on the earliest date on which they may be redeemed under 
          arrangements satisfactory to the Trustee for giving the notice of 
          redemption; and

     (2)  the Corporation irrevocably deposits in trust with the Trustee 
          money or U.S. Government Obligations sufficient to pay principal 
          and interest on the Notes at maturity or on redemption, as the case 
          may be, and any interest payments due prior to maturity or 
          redemption.

However, the Corporation's obligations in Sections 2.03, 2.04, 2.05, 2.06, 
2.07, 4.01, 7.07, 7.08 and 8.03 shall survive until the Notes are no longer 
outstanding. Thereafter, the Corporation's obligations in Sections 7.07 and 
8.03 shall survive.

     After a deposit the Trustee upon request shall acknowledge in writing 
the discharge of the Corporation's obligations under this Indenture except 
for those surviving obligations specified above.

     In order to have money available on a payment date to pay principal or 
interest on the Notes, the U.S. Government Obligations shall be payable as to 
principal or interest on or before such payment date in such amounts as will 
provide the necessary money. The U.S. Government Obligations shall not be 
callable at the issuer's option.

     SECTION 8.02.  APPLICATION OF TRUST MONEY.  The Trustee shall hold in 
trust money or U.S. Government Obligations deposited with it pursuant to 
Section 8.01.  It shall apply the deposited money and the money from the U.S. 
Government Obligations through the Paying Agent and in accordance with this 
Indenture to the payment of principal and interest on the Notes.

     SECTION 8.03.  REPAYMENT TO CORPORATION.  The Trustee and the Paying 
Agent shall promptly pay to the Corporation upon request any excess money or 
securities held by them at any time.  The obligation of the Trustee and the 
Paying Agent to pay such excess money or securities to the Corporation shall 
survive the


                                      -31-

<PAGE>

payment and/or cancellation of all of the Notes until all such excess funds 
or securities have been so paid.

     The Trustee and the Paying Agent shall pay to the Corporation upon 
request any money held by them for the payment of principal or interest that 
remains unclaimed for two years.  After payment to the Corporation, 
Noteholders entitled to the money must look to the Corporation for payment as 
general creditors unless an applicable abandoned property law designates 
another person.

                                  ARTICLE 9

                     AMENDMENTS, SUPPLEMENTS AND WAIVERS

     SECTION 9.01  WITHOUT CONSENT OF HOLDERS.  The Corporation and the 
Trustee may amend or supplement this Indenture or the Notes without notice to 
or consent of any Noteholder:

     (1)  to cure any ambiguity, omission, defect or inconsistency;

     (2)  to comply with Section 5.01; or

     (3)  to make any change that does not materially adversely affect the 
          rights of any Noteholder.

     SECTION 9.02.  WITH CONSENT OF HOLDERS.  The Corporation and the Trustee 
may amend or supplement this Indenture or the Notes with the written consent 
of the Holders of at least a majority in principal amount of the Notes then 
outstanding.  Without the consent of each Noteholder affected, however, an 
amendment under this Section may not:

     (1)  reduce the amount of Notes whose Holders must consent to an amendment
          or waiver;

     (2)  reduce the rate of or change the time for payment of interest on any 
          Note;

     (3)  reduce the principal of or change the maturity of any Note;

     (4)  waive a Default in the payment of the principal of or interest on any
          Note;

     (5)  make any Note payable in money other than that stated in the Note; or



                                      -32-

<PAGE>

     (6)  modify the provisions of Sections 6.04, 6.07 and 9.02 (second 
          sentence).

     After an amendment or supplement under this Section becomes effective, 
the Corporation shall mail to Noteholders a notice briefly describing the 
amendment.

     SECTION 9.03.  COMPLIANCE WITH TRUST INDENTURE ACT. Every amendment to 
or supplement of this Indenture or the Notes shall be set forth in a 
supplemental indenture that complies with the TIA as then in effect.

     SECTION 9.04.  REVOCATION AND EFFECT OF CONSENTS.  Until an amendment, 
supplement or waiver becomes effective, a consent to it by a Holder of a Note 
is a continuing consent by the Holder and every subsequent Holder of a Note 
or portion of a Note that evidences the same debt as the consenting Holder's 
Note, even if notation of the consent is not made on any Note.  However, any 
such Holder or subsequent Holder may revoke the consent as to such Note or 
portion of a Note if the Trustee receives the notice of revocation before the 
date the amendment, supplement or waiver becomes effective.

     SECTION 9.05.  NOTATION ON OR EXCHANGE OF NOTES.  The Trustee may place 
an appropriate notation about an amendment, supplement or waiver on any Note 
thereafter authenticated.  The Corporation in exchange for all Notes may 
issue and the Trustee shall authenticate new Notes that reflect the 
amendment, supplement or waiver.

     SECTION 9.06.  TRUSTEE PROTECTED.  The Trustee need not sign any 
supplemental indenture that adversely affects its rights.


                                  ARTICLE 10

                    REDEMPTION OF NOTES AT HOLDER'S OPTION

     SECTION 10.01.  REDEMPTION RIGHT AT HOLDER'S OPTION. Representatives of 
deceased Holders and, in the case of a Global Security, representatives of 
deceased Beneficial Owners of such Global Security, have certain optional 
redemption rights as set forth in the forms of Notes attached as Exhibits A 
and B hereto.






                                      -33-

<PAGE>

                                    ARTICLE 11

                                   MISCELLANEOUS

     SECTION 11.01.  TRUST INDENTURE ACT CONTROLS.  If any provision of this 
Indenture limits, qualifies, or conflicts with the duties imposed by TIA 
Section 310 to Section 317, the duties so imposed by the TIA shall control.

     SECTION 11.02.  NOTICES.  Any notice or communication by the Corporation 
or the Trustee to the other is duly given if in writing and delivered in 
person or mailed by first-class mail addressed as follows:

     if to the Corporation

          ENERGY WEST INCORPORATED
          1 First Avenue South
          Great Falls, Montana 59401
          Attn:  Treasurer

     if to the Trustee:

          NORWEST BANK MINNESOTA, NATIONAL ASSOCIATION
          Norwest Center
          Sixth Street and Marquette Avenue
          Minneapolis, Minnesota 55479-0069
          Attn: Corporate Trust Department   

     The Corporation or the Trustee by notice to the other may designate 
additional or different addresses for subsequent notices or communications.

     Any notice or communication to a Noteholder shall be mailed by 
first-class mail to his or her address shown on the register kept by the 
Registrar.  Failure to mail a notice or communication to a Noteholder or any 
defect in it shall not affect its sufficiency with respect to other 
Noteholders.

     If a notice of communication is mailed in the manner provided above 
within the time prescribed, it is duly given, whether or not the addressee 
receives it.

     If the Corporation mails a notice or communication to Noteholders, it 
shall mail a copy to the Trustee and each Agent at the same time.

     All notices or communications shall be in writing, except as set forth 
below.



                                      -34-

<PAGE>

     In case by reason of the suspension of regular mail service, or by 
reason of any other cause, it shall be impossible to mail any notice required 
by this Indenture, then such method of notification as shall be made with the 
approval of the Trustee shall constitute a sufficient mailing of such notice.

     SECTION 11.03.  COMMUNICATION BY HOLDERS WITH OTHER HOLDERS. Noteholders 
may communicate pursuant to TIA Section 312(b) with other Noteholders with 
respect to their rights under this Indenture or the Notes.  The Corporation, 
the Trustee, the Registrar and anyone else shall have the protection of TIA 
Section 312(c).

     SECTION 11.04.  CERTIFICATE AND OPINION AS TO CONDITIONS PRECEDENT. Upon 
any request or application by the Corporation to the Trustee to take any 
action under this Indenture, the Corporation shall furnish to the Trustee:

     (1)  an Officers' Certificate stating that, in the opinion of the 
          signers, all conditions precedent, if any, provided for in this 
          Indenture relating to the proposed action have been complied with; 
          and

     (2)  an Opinion of Counsel stating that, in the opinion of such counsel, 
          all such conditions precedent have been complied with.

     SECTION 11.05.  STATEMENTS REQUIRED IN CERTIFICATE OR OPINION.  Each 
Officers' Certificate (other than certificates provided pursuant to TIA 
Section 314(a)(4)) or Opinion of Counsel with respect to compliance with a 
condition or covenant provided for in this Indenture shall include:

     (1)  a statement that the person making such Officers' Certificate or 
          Opinion of Counsel has read such covenant or condition;

     (2)  a brief statement as to the nature and scope of the examination or 
          investigation upon which the statements or opinions contained in 
          such Officers' Certificate or Opinion of Counsel are based;

     (3)  a statement that, in the opinion of such person, he or she has made 
          such examination or investigation as is necessary to enable him or 
          her to express an informed opinion as to whether or not such 
          covenant or condition has been complied with; and

     (4)  a statement as to whether or not, in the opinion of such person, 
          such condition or covenant has been complied with.

     SECTION 11.06.  RULES BY TRUSTEE AND AGENT.  The Trustee may make 
reasonable rules for action by or at a meeting of Noteholders.  The Registrar 
or


                                      -35-

<PAGE>

Paying Agent may make reasonable rules and set reasonable requirements for 
its functions.

     SECTION 11.07.  LEGAL HOLIDAYS.  A "Legal Holiday" is a Saturday, a 
Sunday, or a day on which banking institutions in the relevant jurisdiction 
are not required to be open.  If a payment date is a Legal Holiday at a place 
of payment, payment may be made at that place on the next succeeding day that 
is not a Legal Holiday, and no interest shall accrue for the intervening 
period.

     SECTION 11.08.  NO RECOURSE AGAINST OTHERS.  No liability under the 
Notes shall inure to any director, officer, employee or stockholders, as 
such, of the Corporation and each Noteholder, by accepting a Note, waives and 
releases all such liability.

     SECTION 11.09.  DUPLICATE ORIGINALS.  The parties may sign any number of 
copies of this Indenture.   One signed copy is enough to prove this Indenture.

     SECTION 11.10.  GOVERNING LAW.  The laws of the State of Montana shall 
govern this Indenture and the Notes.

     SECTION 11.11.  TABLE OF CONTENTS, HEADINGS, ETC.  The table of 
contents, cross-reference sheet and headings of the Articles and Sections of 
this Indenture have been inserted for convenience of reference only, are not 
to be considered a part hereof, and shall in no way modify or restrict any of 
the terms or provisions hereof.















                                      -36-

<PAGE>

                                  SIGNATURES

                                       ENERGY WEST INCORPORATED


                                       By   __________________________________
                                            Name _____________________________
                                            Title ____________________________
Attest:


_________________________________
     Name _______________________
     Title ______________________


                                       NORWEST BANK MINNESOTA,
                                         NATIONAL ASSOCIATION,
                                         as Trustee


                                       By ____________________________________
                                          Curtis D. Schwegman,
                                          Assistant Vice President











                                      -37-

<PAGE>

                                   EXHIBIT A

          THIS NOTE IS A GLOBAL SECURITY WITHIN THE MEANING OF THE INDENTURE 
HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITORY OR A 
NOMINEE OF A DEPOSITORY.  THIS GLOBAL SECURITY IS EXCHANGEABLE FOR NOTES 
REGISTERED IN THE NAME OF A PERSON OTHER THAN THE DEPOSITORY OR ITS NOMINEE 
ONLY IN THE LIMITED CIRCUMSTANCES HEREINAFTER DESCRIBED AND MAY NOT BE 
TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITORY TO A NOMINEE OF THE 
DEPOSITORY OR BY A NOMINEE OF THE DEPOSITORY TO THE DEPOSITORY OR ANOTHER 
NOMINEE OF THE DEPOSITORY.

     Unless this certificate is presented by an authorized representative of 
The Depository Trust Company, a New York corporation ("DTC"), to Energy West 
Incorporated, a Montana corporation, or its agent for registration of 
transfer, exchange, or payment, and any certificate issued is registered in 
the name of Cede & Co. (or in such other name as is requested by an 
authorized representative of DTC), ANY TRANSFER, PLEDGE, OR OTHER USE HEREOF 
FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL inasmuch as the 
registered owner hereof, Cede & Co., has an interest herein.

                          ENERGY WEST INCORPORATED

                        __% Note due June 1, 2012

No. _________________                                  $______________________


                                                      CUSIP No. ______________


     ENERGY WEST INCORPORATED, a Montana corporation, for value received, 
hereby promises to pay to ______________________ , or registered assigns, the 
principal sum of ____________________ DOLLARS on June 1, 2012 and to pay 
interest on said principal sum at the rate of __% per annum calculated on the 
basis of a 360-day year of twelve 30-day months.

1.   Interest.

     ENERGY WEST INCORPORATED ("Corporation"), a Montana corporation, 
promises to pay interest on the principal amount of this Note at the rate per 
annum shown above.  The Corporation will pay interest semi-annually on



                                      -38-

<PAGE>

June 1 and December 1 of each year, commencing June 1, 1997.  Interest on 
the Notes will accrue from the most recent date to which interest has been 
paid, or, if no interest has been paid previously, from the date of original 
issuance of this Note; provided that, if there is no existing default in the 
payment of interest, and if this Note is authenticated between a record date 
referred to below and the next succeeding interest payment date, interest 
shall accrue from the next interest payment date.

2.   Method of Payment.

     The Corporation will pay interest on the Notes (except defaulted 
interest) to the persons who are registered holders of Notes at the close of 
business on the record date next preceding the interest payment date.  The 
Corporation will pay interest to such holders on the next interest payment 
date even though Notes are cancelled after the record date but on or before 
the interest payment date.  The record date for payments on any June 1 shall 
be the immediately preceding May 15, and the record date for payments on any 
December 1, shall be the immediately preceding November 15. Holders must 
surrender Notes to a Paying Agent to collect principal payments. The 
Corporation will pay principal and interest in money of the United States 
that at the time of payment is legal tender for payment of public and private 
debts.  However, the Corporation may pay principal and interest by check 
payable in such money.  The Corporation may mail an interest check to a 
holder's registered address.

3.   Paying Agent and Registrar.

     Initially, Norwest Bank Minnesota, National Association, Norwest Center, 
Sixth Street and Marquette Avenue, Minneapolis, Minnesota 55479-0069 will act 
as Paying Agent and Registrar.  The Corporation may change any Paying Agent, 
Registrar or Co-Registrar without notice.  The Corporation or any of its 
Subsidiaries may act in any such capacity.

4.   Indenture.

     The Corporation issued the Notes under an Indenture dated as of _______, 
1997 (the "Indenture"), between the Corporation and the Trustee.  The terms 
of the Notes include those stated in the Indenture and those made part of the 
Indenture by reference to the Trust Indenture Act of 1939 (15 U.S.C. Section 
Section 77aaa-77bbbb) (the "Act") as in effect on the date of the Indenture.

     The Notes are subject to all such terms, and Noteholders are referred to 
the Indenture and the Act for a statement of such terms.  The Notes are 
unsecured general obligations of the Corporation limited to $8,000,000 in 
aggregate principal amount.



                                      -39-

<PAGE>

5.   Redemption at Corporation's Option.

     The Corporation may, at its option, at any time on or after June 1, 
2002 redeem prior to maturity all the Notes or some of them from time to time 
after issuance at the following redemption prices (expressed in percentages 
of principal amount of the Notes) plus unpaid accrued interest to the 
redemption date.

     If redeemed during the twelve-month period beginning June 1:

                   Year                     Percentage
                   ----                     ----------
                   2002                        103%
                   2003                        102%
                   2004                        101%
                   2005 until maturity         100%

6.   Notice of Redemption.

     Notice of redemption at the Corporation's option will be mailed at least 
30 days but not more than 60 days before the redemption date to each holder 
of Notes to be redeemed at such holder's registered address as set forth in 
the register. Notes in denominations larger than $1,000 may be redeemed in 
part but only in integral multiples of $1,000.  On and after the redemption 
date (if there is no default in the payment of the redemption price by the 
Corporation), interest ceases to accrue on Notes or portions thereof called 
for redemption.

7.   Redemption at Beneficial Owner's Option.

     For purposes hereof, "Beneficial Owner" means the Person who has the 
right to sell, transfer or otherwise dispose of an interest in the Notes and 
the right to receive the proceeds therefrom, as well as interest, principal 
and premium (if any) payable in respect thereof.  In general, a determination 
of beneficial ownership in the Notes will be subject to the rules, 
regulations and procedures governing the Depository and institutions that 
have accounts with the Depository or a nominee thereof ("Participants").  
Participants may hold interests in the Notes as Beneficial Owners for their 
own accounts or as nominees for other Persons.

     Unless (i) the Notes have been declared due and payable prior to their 
maturity by reason of an Event of Default or (ii) the Corporation has mailed 
a notice of redemption, then in the event of the death of a Beneficial Owner, 
such Beneficial Owner's personal representative or surviving joint tenant(s) 
(the "Representative") has the right to request redemption of the Notes 
beneficially owned by such



                                      -40-

<PAGE>

Beneficial Owner prior to death, subject to the terms and conditions set 
forth in this paragraph 7.

     To request redemption of all or part of such deceased Beneficial Owner's 
interest in the Notes, the Representative shall deliver to the Trustee a 
written request for redemption in form satisfactory to the Trustee, signed by 
the Representative, accompanied by (i) a statement of the principal amount of 
the interest in the Notes to be redeemed (which amount shall be an integral 
multiple of $1,000), (ii) appropriate evidence of the Beneficial Owner's 
death and beneficial ownership at the time of death and (iii) appropriate 
evidence of the authority of the Representative (a "Redemption Request").  
The Representative may withdraw any Redemption Request by delivering a 
written request for withdrawal to the Trustee prior to the payment of the 
redemption price of such interest.

     The Trustee shall promptly inform the Corporation of the receipt of a 
proper Redemption Request.  On or before the date 60 days following the date 
on which the Trustee receives a proper Redemption Request, the Corporation 
shall deposit with the Paying Agent cash sufficient to redeem the interests 
covered by such Redemption Request at a price equal to 100% of their 
principal amount, plus accrued interest to the date of such deposit.  Subject 
to arrangements with the Depository, all payments for interests in this Note 
that are to be redeemed pursuant to a Redemption Request shall be made to the 
Depository.

     The Corporation's obligation to redeem an interest in the Notes 
following receipt of a Redemption Request is subject to the following 
limitations: (i) the Corporation is not obligated to redeem on behalf of any 
deceased Beneficial Owner any interest in the Notes that exceeds an aggregate 
principal amount of $25,000 and (ii) in any 12-month period beginning June 1
 the Corporation shall not be obligated to redeem interests in the Notes in 
excess of two percent (2%) of the aggregate principal amount of the Notes 
originally issued.  Representatives may present Redemption Requests to the 
Trustee at any time and in any principal amount.  Any interests in Notes that 
are not redeemed in any 12-month period beginning June 1 as the result of 
the two percent (2%) limitation will be held for redemption in the succeeding 
year.  The Corporation may, at its discretion, exceed the $25,000 and two 
percent (2%) limitations.  If the Corporation, although not obligated to do 
so, chooses to redeem interests of a deceased Beneficial Owner in excess of 
the $25,000 limitation, such redemption, to the extent that it exceeds the 
$25,000 limitation, shall not be included in the computation of the two 
percent (2%) limitation.

8.   Denominations, Transfer, Exchange.

     The Notes are in registered form without coupons in denominations of 
$1,000 and integral multiples thereof.  The transfer of Notes may be 
registered and


                                      -41-

<PAGE>

Notes may be exchanged as provided in the Indenture.  The Registrar may 
require a holder, among other things, to furnish appropriate endorsements and 
transfer documents and to pay any taxes and fees required by law or permitted 
by the Indenture.  The Registrar need not exchange or register the transfer 
of any Note or portion of a Note selected for redemption.  Also, it need not 
exchange or register the transfer of any Notes for a period of 15 days before 
a selection of Notes to be redeemed.

9.   Persons Deemed Owners.

     The registered holder of a Note may be treated as its owner for all 
purposes.

10.  Amendments, Supplements and Waivers.

     Subject to certain exceptions, the Indenture or the Notes may be amended 
or supplemented, and any existing default may be waived, with the consent of 
holders of a majority in principal amount of the Notes then outstanding. 
Without the consent of any Noteholder, the Indenture or the Notes may be 
amended or supplemented to cure any ambiguity, defect or inconsistency, to 
provide for assumption of Corporation obligations to Noteholders or to make 
any change that does not materially adversely affect the rights of any 
Noteholder.

11.  Defaults and Remedies.

     An Event of Default is:  default for 30 days in payment of interest on 
the Notes; default in payment of principal on the Notes; failure by the 
Corporation for 30 days after notice to it to comply with any of its other 
agreements in the Indenture or the Notes; default in the payment of 
indebtedness having an outstanding principal balance of $1,000,000 or more 
under certain circumstances; and certain events of bankruptcy or insolvency.  
If an Event of Default occurs and is continuing, the Trustee or the holders 
of at least 25% in principal amount of the Notes may declare all the Notes to 
be due and payable immediately. Noteholders may not enforce the Indenture or 
the Notes except as provided in the Indenture. The Trustee may require 
indemnity satisfactory to it before it enforces the Indenture or the Notes. 
Subject to certain limitations, holders of a majority in principal amount of 
the Notes may direct the Trustee in its exercise of any trust or power. The 
Trustee may withhold from Noteholders notice of any continuing default 
(except a default in payment of principal or interest) if it determines that 
withholding notice is in their interests.  The Corporation must furnish an 
annual compliance certificate to the Trustee.



                                      -42-

<PAGE>

12.  Trustee Dealings with Corporation.

     Norwest Bank Minnesota, National Association, the Trustee under the 
Indenture, in its individual or any other capacity, may make loans to, accept 
deposits from, and preform services for the Corporation or its Affiliates, 
and may otherwise deal with the Corporation or its Affiliates, as if it were 
not Trustee.

13.  No Recourse Against Others.

     A director, officer, employee or shareholder, as such, of the 
Corporation shall not have any liability for any obligations of the 
Corporation under the Notes or the Indenture or for any claim based on, in 
respect of or by reason of such obligations or their creation.  Each 
Noteholder by accepting a Note waives and releases all such liability.  The 
waiver and release are part of the consideration for the issue of the Notes.

14.  Authentication.

     This Note shall not be valid until authenticated by the manual signature 
of the Trustee or an authenticating agent.

15.  Abbreviations.

     Customary abbreviations may be used in the name of a Noteholder or an 
assignee, such as TEN COM = tenants in common, TEN ENT = tenants by the 
entireties, JT TEN = joint tenants with right of survivorship and not as 
tenants in common, CUST= Custodian, and U/G/M/A = Uniform Gifts to Minors Act.

Dated: ______________________
Authenticated:

NORWEST BANK MINNESOTA,                ENERGY WEST INCORPORATED
  NATIONAL ASSOCIATION, as Trustee

By ______________________________      By ____________________________________
      Its Authorized Signer                Its
                                                                           
                                       By ____________________________________
                                           Its Treasurer

                                                      (SEAL)



                                      -43-

<PAGE>


                            __________________________

     The Corporation will furnish to any Noteholder upon written request and 
without charge a copy of the Indenture.

Requests may be made to:  Treasurer, Energy West Incorporated, 1 First Avenue 
South, Great Falls, Montana 59401.
























                                      -44-

<PAGE>

                               ASSIGNMENT FORM

I/We assign and transfer this Note to

[                      ]

(Insert assignee's social
security or tax I.D. number)

______________________________________________________________________________

______________________________________________________________________________

______________________________________________________________________________

           (Print or type name, address and zip code of assignee)

and irrevocably appoint _____________________________________ as agent to 
transfer this Note on the books of the Corporation.  The agent may substitute 
another to act for him.

Date:_________________                 Signature _____________________________
                                                 (Sign exactly as your name
                                                 appears on the other side of
                                                 this Note)























                                      -45-


<PAGE>

                                   EXHIBIT B

                                (Face of Note)

                           ENERGY WEST INCORPORATED

                         __% Note due June 1, 2012

No.    R-                                                 $
     ---------------------                                   ------------------


                                               CUSIP No.
                                                        ----------------------



                    ENERGY WEST INCORPORATED, a Montana corporation, for value 
received, hereby promises to pay to                            , or registered 
                                    --------------------------
assigns, the principal sum of                              DOLLARS on June 1,
                              ----------------------------
2012 and to pay interest on said principal sum at the rate of         per annum
                                                             ---------
calculated on the basis of a 360-day year of twelve 30-day months.

Dated:
      -----------------------
Authenticated:

NORWEST BANK MINNESOTA,                         ENERGY WEST INCOPORATED
  NATIONAL ASSOCIATION,
  as Trustee

By                                              By
   --------------------------                     ----------------------------
     Its Authorized Signer                        Its
                                                     -------------------------
                                                By
                                                  ----------------------------
                                                  Its Treasurer  
                                                                 
                                                                 
                                                          (SEAL) 


                                     B-1

<PAGE>

                               (REVERSE OF NOTE)

1.   Interest.

            ENERGY WEST INCORPORATED ("Corporation"), a Montana
corporation, promises to pay interest on the principal amount of
this Note at the rate per annum shown above.  The Corporation will
pay interest semi-annually on June 1 and December 1 of each year,
commencing June 1, 1997.  Interest on the Notes will accrue from
the most recent date to which interest has been paid, or, if no
interest has been paid previously, from the date of original
issuance of this Note; provided that, if there is no existing
default in the payment of interest, and if this Note is
authenticated between a record date referred to below and the next
succeeding interest payment date, interest shall accrue from the
next interest payment date.

2.   Method of Payment.

            The Corporation will pay interest on the Notes (except
defaulted interest) to the persons who are registered holders of
Notes at the close of business on the record date next preceding
the interest payment date.  The Corporation will pay interest to
such holders on the next interest payment date even though Notes
are cancelled after the record date but on or before the interest
payment date.  The record date for payments on any June 1 shall be
the immediately preceding May 15, and the record date for payments
on any December 1, shall be the immediately preceding November 15. 
Holders must surrender Notes to a Paying Agent to collect principal
payments.  The Corporation will pay principal and interest in money
of the United States that at the time of payment is legal tender
for payment of public and private debts.  However, the Corporation
may pay principal and interest by check payable in such money.  The
Corporation may mail an interest check to a holder's registered
address.

3.   Paying Agent and Registrar.

            Initially, Norwest Bank Minnesota, National Association,
Norwest Center, Sixth Street and Marquette Avenue, Minneapolis,
Minnesota 55479-0069, will act as Paying Agent and Registrar.  The
Corporation may change any Paying Agent, Registrar or Co-Registrar
without notice.  The Corporation or any of its Subsidiaries may act
in any such capacity.

4.   Indenture.

            The Corporation issued the Notes under an Indenture dated
as of _______, 1997 (the "Indenture"), between the Corporation and
the Trustee.  The terms of the Notes include those stated in the
Indenture and those made part of the 


                                     B-2

<PAGE>

Indenture by reference to the Trust Indenture Act of 1939 (15 U.S.C. Sections
77aaa-77bbbb) (the "Act") as in effect on the date of the Indenture.

            The Notes are subject to all such terms, and Noteholders
are referred to the Indenture and the Act for a statement of such
terms.  The Notes are unsecured general obligations of the
Corporation limited to $8,000,000 in aggregate principal amount.

5.   Redemption at Corporation's Option.

            The Corporation may, at its option, at any time on or after 
June 1, 2002 redeem prior to maturity all the Notes or some of them from 
time to time after issuance at the following redemption prices (expressed in 
percentages of principal amount of the Notes) plus unpaid accrued interest to 
the redemption date.

            If redeemed during the twelve-month period beginning June 1:


         Year                 Percentage
         ----                 ----------

         2002                   103%
         2003                   102%
         2004                   101%
         2005 until maturity    100%

6.   Notice of Redemption.

            Notice of redemption at the Corporation's option will be mailed 
at least 30 days but not more than 60 days before the redemption date to each 
holder of Notes to be redeemed at his registered address as set forth in the 
register. Notes in denominations larger than $1,000 may be redeemed in part 
but only in integral multiples of $1,000.  On and after the redemption date 
(if there is no default in the payment of the redemption price by the 
Corporation), interest ceases to accrue on Notes or portions thereof called 
for redemption.

7.   Redemption at Beneficial Owner's Option.

            For purposes hereof, "Beneficial Owner" means the Person who has 
the right to sell, transfer or otherwise dispose of an interest in the Notes 
and the right to receive the proceeds therefrom, as well as interest, 
principal and premium (if any) payable in respect thereof.

            Unless (i) the Notes have been declared due and payable prior to 
their maturity by reason of an Event of Default or (ii) the Corporation has 
mailed a notice of redemption, then in the event of the death of a Beneficial 
Owner, such Beneficial 











                                     B-3

<PAGE>


Owner's personal representative or surviving joint tenant(s) (the 
"Representative") has the right to request redemption of the Notes 
beneficially owned by such Beneficial Owner prior to death, subject to the 
terms and conditions set forth in this paragraph 7.

            To request redemption of all or part of such deceased Beneficial 
Owner's interest in the Notes, the Representative shall deliver to the 
Trustee a written request for redemption in form satisfactory to the Trustee, 
signed by the Representative, accompanied by (i) a statement of the principal 
amount of the interest in the Notes to be redeemed (which amount shall be an 
integral multiple of $1,000), (ii) appropriate evidence of the Beneficial 
Owner's death and beneficial ownership at the time of death and (iii) 
appropriate evidence of the authority of the Representative (a "Redemption 
Request").  The Representative may withdraw any Redemption Request by 
delivering a written request for withdrawal to the Trustee prior to the 
payment of the redemption price of such interest.

            The Trustee shall promptly inform the Corporation of the receipt 
of a proper Redemption Request.  On or before the date 60 days following the 
date on which the Trustee receives a proper Redemption Request, the 
Corporation shall deposit with the Paying Agent cash sufficient to redeem the 
interests covered by such Redemption Request at a price equal to 100% of 
their principal amount, plus accrued interest to the date of such deposit.

            The Corporation's obligation to redeem an interest in the Notes 
following receipt of a Redemption Request is subject to the following 
limitations: (i) the Corporation is not obligated to redeem on behalf of any 
deceased Beneficial Owner any interest in the Notes that exceeds an aggregate 
principal amount of $25,000 and (ii) in any 12-month period beginning June 1
 the Corporation shall not be obligated to redeem interests in the Notes in 
excess of two percent (2%) of the aggregate principal amount of the Notes 
originally issued.  Representatives may present Redemption Requests to the 
Trustee at any time and in any principal amount.  Any interests in Notes that 
are not redeemed in any 12-month period beginning June 1 as the result of 
the two percent (2%) limitation will be held for redemption in the succeeding 
year.  The Corporation may, at its discretion, exceed the $25,000 and two 
percent (2%) limitations.  If the Corporation, although not obligated to do 
so, chooses to redeem interests of a deceased Beneficial Owner in excess of 
the $25,000 limitation, such redemption, to the extent that it exceeds the 
$25,000 limitation, shall not be included in the computation of the two 
percent (2%) limitation.












                                     B-4

<PAGE>

 8.  Denominations, Transfer, Exchange.

            The Notes are in registered form without coupons in denominations 
of $1,000 and integral multiples thereof.  The transfer of Notes may be 
registered and Notes may be exchanged as provided in the Indenture.  The 
Registrar may require a holder, among other things, to furnish appropriate 
endorsements and transfer documents and to pay any taxes and fees required by 
law or permitted by the Indenture.  The Registrar need not exchange or 
register the transfer of any Note or portion of a Note selected for 
redemption.  Also, it need not exchange or register the transfer of any Notes 
for a period of 15 days before a selection of Notes to be redeemed.

9.   Persons Deemed Owners.

            The registered holder of a Note may be treated as its owner for 
all purposes.

10.  Amendments, Supplements and Waivers.

            Subject to certain exceptions, the Indenture or the Notes may be 
amended or supplemented, and any existing default may be waived, with the 
consent of holders of a majority in principal amount of the Notes then 
outstanding. Without the consent of any Noteholder, the Indenture or the 
Notes may be amended or supplemented to cure any ambiguity, defect or 
inconsistency, to provide for assumption of Corporation obligations to 
Noteholders or to make any change that does not materially adversely affect 
the rights of any Noteholder.

11.  Defaults and Remedies.

            An Event of Default is:  default for 30 days in payment of 
interest on the Notes; default in payment of principal on the Notes; failure 
by the Corporation for 30 days after notice to it to comply with any of its 
other agreements in the Indenture or the Notes; default in the payment of 
indebtedness having an outstanding principal balance of $1,000,000 or more 
under certain circumstances; and certain events of bankruptcy or insolvency.  
If an Event of Default occurs and is continuing, the Trustee or the holders 
of at least 25% in principal amount of the Notes may declare all the Notes to 
be due and payable immediately. Noteholders may not enforce the Indenture or 
the Notes except as provided in the Indenture. The Trustee may require 
indemnity satisfactory to it before it enforces the Indenture or the Notes. 
Subject to certain limitations, holders of a majority in principal amount of 
the Notes may direct the Trustee in its exercise of any trust or power. The 
Trustee may withhold from Noteholders notice of any continuing default 
(except a default in payment of principal or interest) if it determines that 












                                     B-5


<PAGE>



withholding notice is in their interests.  The Corporation must furnish an 
annual compliance certificate to the Trustee.

12.  Trustee Dealings with Corporation.

            Norwest Bank Minnesota, National Association, the Trustee under 
the Indenture, in its individual or any other capacity, may make loans to, 
accept deposits from, and perform services for the Corporation or its 
Affiliates, and may otherwise deal with the Corporation or its Affiliates, as 
if it were not Trustee.

13.  No Recourse Against Others.

            A director, officer, employee or shareholder, as such, of the 
Corporation shall not have any liability for any obligations of the 
Corporation under the Notes or the Indenture or for any claim based on, in 
respect of or by reason of such obligations or their creation.  Each 
Noteholder by accepting this Note waives and releases all such liability.  
The waiver and release are part of the consideration for the issue of the 
Notes.

14.  Authentication.

            This Note shall not be valid until authenticated by the manual 
signature of the Trustee or an authenticating agent.

15.  Abbreviations.

            Customary abbreviations may be used in the name of a Noteholder 
or an assignee, such as TEN COM = tenants in common, TEN ENT = tenants by the 
entireties, JT TEN = joint tenants with right of survivorship and not as 
tenants in common, CUST= Custodian, and U/G/M/A = Uniform Gifts to Minors Act.

                 -------------------------------------------------


            The Corporation will furnish to any Noteholder upon
written request and without charge a copy of the Indenture.

Requests may be made to:  Treasurer, Energy West Incorporated, 1
First Avenue South, Great Falls, Montana 59401.












                                     B-6

<PAGE>



                               ASSIGNMENT FORM

I/We assign and transfer this Note to

[                                             ]

(Insert assignee's social
security or tax I.D. number)

- -------------------------------------------------------------------------------

- -------------------------------------------------------------------------------

- -------------------------------------------------------------------------------

            (Print or type name, address and zip code of assignee)

and irrevocably appoint                                             as agent to
                        -------------------------------------------
transfer this Note on the books of the Corporation. The agent may substitute
another to act for him.

Date:                                       Signature      
     ----------------------------                     --------------------------
                                                      (Sign exactly as your name
                                                       appears on the other side
                                                       of this Note)


<PAGE>

                                  [LETTERHEAD]


July 22, 1997


ENERGY WEST, INCORPORATED
1 First Avenue South
Great Falls, MT 59401

RE: Registration Statement on Form S-2
    $8,000,000 of Notes due June 1, 2012

Ladies and Gentlemen:

I am Corporate Counsel of ENERGY WEST, INCORPORATED, a Montana Corporation (the
"Company"), and have acted as counsel to the Company in connection with a
Registration Statement of Form S-2 (the "Registration Statement") relating to
the sale by the Company of $8,000,000 of its Notes due June 1, 2012 (the
"Notes").

I have examined such documents and have reviewed such questions of law as I 
have considered necessary and appropriate for the purposes of my opinion set 
forth below.  In rendering my opinion set forth below, I have assumed the 
authenticity of all documents submitted to me as originals, the genuineness 
of all signatures and the conformity to authentic originals of all documents 
submitted to me as copies.  I have also assumed the legal capacity for all 
purposes relevant hereto of all natural persons and, with respect to all 
parties to agreements or instruments relevant hereto other than the Company, 
that such parties had the requisite power and authority (corporate or 
otherwise) to execute, deliver and perform such agreements or instruments, 
that such agreements or instruments have been duly authorized by all 
requisite action (corporate or otherwise), executed and delivered by such 
parties and that such agreements or instruments are the valid, binding and 
enforceable obligations of such parties.  As to certain questions of fact 
material to my opinion, I have relied upon certificates of other officers of 
the Company and of public officials.

Based on the foregoing, I am of the opinion that when the Notes and the
Indenture pursuant to which such Notes will be issued have been duly executed
and delivered by all parties thereto, the Notes and the Indenture will
constitute valid and legally binding obligations of the Company, enforceable
against the Company in accordance with their terms.

My opinion set forth above is subject to the following qualifications and
exceptions.

    (a)  My opinion is subject to the effect of any applicable bankruptcy,
    insolvency, reorganization, moratorium or other similar law of general
    application affecting creditors' rights.


<PAGE>

    (b)  My opinion is subject to the effect of general principles of equity,
    including (without limitation) concepts of materiality, reasonableness,
    good faith and fair dealing, and other similar doctrines affecting the
    enforceability of agreement generally (regardless of whether considered in
    a proceeding in equity or at law.)

My opinion expressed above is limited to the laws of the State of Montana.

I hereby consent to your filing this opinion as an exhibit to the 
Registration Statement and to the reference to me under the caption "Validity 
of Notes" contained in the Prospectus included therein.

Dated: July 22, 1997


Very truly yours,

/s/ John C. Allen
John C. Allen
Corporate Counsel

<PAGE>


                           DELIVERED GAS PURCHASE CONTRACT

                                  FEBRUARY 23, 1977




                                   CASCADE GAS CO.
                                        SELLER




                              THE MONTANA POWER COMPANY
                                        BUYER

<PAGE>

                           DELIVERED GAS PURCHASE CONTRACT

                                        Index
                                                                   Page
      Article      Title                                         Number
      -------      -----                                         ------
        I          Definitions                                      1
       II          Commitment of Gas Reserves                       2
      III          Seller's Obligations                             2
       IV          Quantity of Gas                                  6
        V          Determinations of Gas Reserves                  10
       VI          Delivery Pressure and Delivery Points           13
      VII          Quality of Gas                                  14
     VIII          Measurement and Tests                           15
       IX          Price and Payment                               21
        X          Seller's Representations                        27
       XI          Title to Gas                                    28
      XII          Force Majeure                                   29
     XIII          Term                                            31
      XIV          Miscellaneous                                   31

<PAGE>

                           DELIVERED GAS PURCHASE CONTRACT
                                      (Montana)



    THIS CONTRACT, EFFECTIVE and agreed to by the parties hereto this 23rd of
February, 1977, is by and between CASCADE GAS CO., P. O. Box 577, Shelby,
Montana, 59474 (hereinafter called "Seller") and THE MONTANA POWER COMPANY
(hereinafter called "Buyer").

                                     WITNESSETH:

    WHEREAS, Seller is the contract purchaser of gas produced from those lands
situated in the State of Montana, and described on Schedule "A" attached hereto,
on which gas production has been developed; and

    WHEREAS, Buyer is willing to buy gas which may be purchased by Seller from
said lands in commercial quantities; and

    WHEREAS, the parties hereto are desirous of entering into a contract
providing for the sale by Seller and purchase by Buyer of volumes of gas
delivered by Seller;

    NOW, THEREFORE, in consideration of the premises and the covenants herein
contained, Seller agrees to sell and deliver to Buyer and Buyer agrees to
purchase and receive from Seller, pursuant to the terms and conditions
hereinafter set forth, all of the gas purchased, produced or otherwise obtained
by Seller from acreage described on Schedule "A" attached hereto.


                                         -1-

<PAGE>

                                      ARTICLE I
                                     DEFINITIONS

    For the purpose of the Contract, the following words and terms are defined
as follows:

    1. "CONTRACT YEAR" means a calendar year except that the first "Contract
Year" is deemed to commence on the date of initial delivery of gas hereunder and
extending to, but not including the following January 1.

    2. The "ANNIVERSARY DATE" of this Contract is deemed to be January l in
each Contract year.

    3. "DAY" means a period of twenty-four (24) consecutive hours beginning and
ending at 8:00 a.m., Mountain Time. The reference date for any day shall be the
calendar date upon which said 24-hour period shall commence.

    4. "MONTH" means the period of time beginning at 8:00 a.m., Mountain Time
on the first day of a calendar month and ending at 8:00 a.m., Mountain Time on
the first day of the next calendar month.

    5. "GAS" means either natural gas obtained from the wells or the residue
remaining after the natural gas has been treated by Seller for the removal of
any of its constituent parts other than methane and the removal of methane to
such extent as is necessary in removing other constituents, as the context may
require, but not including casinghead gas.

    6. "CASINGHEAD GAS" means gas which has its rate of production controlled
by the amount of oil simultaneously produced therewith.


                                         -2-

<PAGE>

    7. "RECOVERABLE GAS RESERVES" means the quantity of gas which is determined
or redetermined at a future date to be economically recoverable and deliverable
during the initial term of this Contract from all Gas Production Units connected
to Seller's gathering system and available for delivery as of the date of
initial delivery hereunder after processing, if any, to satisfy the quality
specifications hereof, less the quantities of gas reserved by the Seller
hereunder. Such reserves shall be computed by accepted reservoir engineering and
geological procedures, and shall consist of only those reserves controlled by
Seller and underlying or attributable to the lands listed on Schedule "A", but
shall not include casinghead gas.

    8. "RESERVOIR" means stratigraphic trap, or pool, from which gas is
produced, and one (1) or more "reservoirs" may be produced by means of a single
well.

    9. "CUBIC FOOT OF GAS" is the unit of volume for purposes of measurement
hereunder, except for gross heating value, and means one cubic foot of gas at a
temperature of 60 DEG. F. and at a pressure of 14.73 pounds per square inch
absolute. For purposes of measurement, the atmospheric pressure shall be assumed
to remain constant at 13 pounds per square inch absolute.

    10. "MCF" means one thousand (1,000) cubic feet.

    11. "BTU" means British Thermal Unit. "GROSS HEATING VALUE" means the total
calorific value expressed in BTU's obtained by the complete combustion at
constant pressure of the amount of gas which would occupy a volume of one cubic
foot at


                                         -3-

<PAGE>

a temperature of 60 DEG. F. if saturated with water vapor and under a pressure
equivalent to that of 30 inches of mercury at 32 DEG. F. and under standard
gravitational force (980.665 c.m. per sec. sec.) with air of the same
temperature and pressure as the gas, when the products of combustion are cooled
to the initial temperature of gas and air and when the water formed by
combustion is condensed to the liquid state.

    12. "DCQ" means Daily Contract Quantity, and is defined in Article IV,
Section 1, of this agreement.

    13. "ANNUAL CONTRACT VOLUME" means the DCQ multiplied by the number of
calendar days in the Contract Year.

                                      ARTICLE II

                              COMMITMENT OF GAS RESERVES

    Seller hereby commits to the performance of the Contract all of the gas
purchased, produced or otherwise obtained by Seller from the lands specified and
described on Schedule "A".

                                     ARTICLE III
                                 SELLER'S OBLIGATION

SECTION 1:

    GAS TO BE PURCHASED AND SOLD. Subject to the provisions of this Agreement,
during the term hereof the Seller shall gather, compress, dehydrate, sell and
deliver to Buyer, and the Buyer shall purchase and receive from the Seller at
the delivery point the natural gas purchased, produced or otherwise obtained by
Seller from wells on the lands described in Schedule "A".


                                         -4-

<PAGE>

SECTION 2:

    (a)  SELLER'S OBLIGATION TO DELIVER. Seller shall available for delivery
    all volumes requested by not to exceed 125% of the DCQ, provided however,
    Seller shall not be required to demand that the owners produce any wells in
    excess of the legal of such wells as may be fixed from time to time
    regulatory bodies or in excess of any rate which, judgment of the well
    owners, may damage the well.

    (b)  LIMITATION ON SELLER'S OBLIGATIONS.
         (i) RATE OF DELIVERY. Seller shall not be obligated to demand delivery
    of gas from any well at a rate which in the opinion of the well owner,
    acting as a reasonably prudent operator, would be injurious to such well or
    to the reservoir or reservoirs from which such well is produced.

         (ii) RESERVATION OF GAS BY THE SELLER. The Seller reserves the
    following rights:

              (1) the right to retain or allow others to retain title and
         possession to such quantities of gas produced from the lands described
         in Schedule "A" as may be required to fulfill the obligations of the
         Seller under the terms of the Agreement or other document by which
         Seller derives its right to sell the gas to be sold hereunder;

              (2) the right to use such quantities of gas as may be needed or
         required for delivery of gas for


                                         -5-

<PAGE>

         sale under this Contract from the lands described in Schedule "A";

              (3) the right to process or allow others to process gas produced
         from any one or more of the wells located on the lands described in
         Schedule "A" for the removal of any component other than methane prior
         to delivery of such gas to the Buyer, which components so removed
         shall belong to the Seller or other processor; provided however, that
         the gas which is delivered to Buyer after such processing shall meet
         the quality requirements of Article VII hereof.

                                      ARTICLE IV
                                   QUANTITY OF GAS

SECTION 1

    VOLUME OBLIGATION.  Commencing on the date that Seller notifies Buyer in
writing that Seller is prepared, pursuant to the terms of this Delivered Gas
Purchase Contract, to deliver gas to Buyer at the discharge side of Seller's
plant and facilities located in the NW1/4 NW1/4 NE1/4 of Section 34, Township 34
North, Range 2 West, Toole County, Montana, (Delivery Point), the volume of gas
which Buyer shall be obligated to take and pay for, or pay for if available and
not taken, and which Seller shall be obligated to have available for delivery,
shall be the Daily Contract Quantity (DCQ).


                                         -6-

<PAGE>

    Until such time as Seller has available for delivery to Buyer in excess of
ten million (10,000,000) cubic feet of gas per day, the DCQ shall be eighty
percent (80%) of the daily volume available for delivery by Seller, whether or
not taken by Buyer. However, at such time as the DCQ so computed equals or
exceeds eight million (8,000,000) cubic feet per day, the DCQ shall be one
million (1,000,000) cubic feet per day for each five billion five hundred
million (5,500,000,000) cubic feet of Recoverable Gas Reserves as defined
herein.

    The parties have agreed that, at the date of inception of Buyer's
obligation to take or pay for gas under the terms of this Contract, and until
initial delivery of gas to Buyer, the DCQ shall equal one million two hundred
thousand (1,200,000) cubic feet of gas per day.

SECTION 2:

    CASINGHEAD GAS. Subject to the Quality Provisions of Article VII, Seller
may deliver to Buyer, in addition to the volumes of gas determined under Section
1 of the Article IV, Casinghead Gas purchased by Seller from the lands described
in Schedule "A". Buyer shall be obligated to accept delivery of such 
Casinghead Gas only to the extent that the daily volume delivery thereof does 
not exceed the DCQ (that is the total daily volume delivered does not exceed 
two times the DCQ). Buyer, at its option, may accept Casinghead volumes in 
excess of the DCQ.

SECTION 3:

    DRAINAGE. If a reservoir producing gas delivered to Buyer under this 
Contract is produced by anyone other than a well owner

                                         -7-

<PAGE>

selling to Seller at a rate which makes imminent, in Seller's judgment, the
drainage of gas from land under Seller's purchase contracts, then Seller shall
immediately notify Buyer in writing of the existence of such situation and may
request that Buyer, to the extent reasonabley possible, increase its takes from
Seller by a volume sufficient to protect Seller and Seller's well owners from
drainage of the reservoir.

SECTION 4:

    MAKE-UP OF DEFICIENCIES IN PURCHASE.

    (a) Beginning with initial delivery hereunder, all volumes of gas taken by
    Buyer during a contract year in excess of the Annual Contract Volume up to
    a total quantity having a total value (calculated at the price being paid
    hereunder at the time such gas is so made up) equal to the payments
    theretofore made by Buyer to Seller for gas not taken shall be credited to
    the make-up of take or pay deficiencies limited to the five (5) contract
    years immediately following the later of: (1) the contract year in which
    the deficiency occurred, or (2) the contract year in which all take or pay
    deficiencies which occurred prior to initial delivery have been recouped.
    Nothing contained in this Section 4 shall reduce Buyer's obligation to take
    and pay for, or nevertheless pay for if available and not taken, the Annual
    Contract Volume during each contract year.
    (b) In the event that this Contract terminates for any


                                         -8-

<PAGE>

    reason other than the breach of the terms hereof by Buyer prior to the
    Buyer's recovery of any volumes paid for but not taken hereunder, and
    Seller begins deliveries of gas to another purchaser, Seller shall pay to
    Buyer one-third (1/3) of the then current sales value of such gas each
    month until the Buyer has recovered in full the sums paid by Buyer for gas
    not taken.

SECTION 5:

    LIMITATIONS UPON BUYER'S OBLIGATION TO PURCHASE GAS.

    (a) DELIVERY CAPACITY OF SELLER. Buyer's obligation to purchase the Annual
    Contract Volume during each contract year is conditioned upon Seller having
    the capability at all times of delivering a daily volume of gas equal to at
    least 125% of the DCQ.

    (b) FAILURE TO DELIVER CONTRACT VOLUME. If the Seller fails for any
    calendar month to deliver to Buyer the daily quantity of gas requested by
    Buyer up to 125% of the DCQ, Buyer may notify Seller in writing of such
    failure. Seller shall have such time as may be necessary, but in no event
    more than twelve (12) months from the date of receipt by Seller of Buyer's
    notice, in which period the DCQ shall be reduced temporarily to a volume
    equal to 80% of the average daily volume of gas Seller delivered to Buyer
    during the calendar month on which Buyer's notice was based. In the event
    Seller's attempts to restore its ability to deliver 125% of the DCQ


                                         -9-

<PAGE>

    in effect prior to such notice are unsuccessful, as evidenced by Seller's
    failure to deliver such quantity on each day of a calendar month test
    conducted by Seller and Buyer for the period commencing on the day
    following the end of said twelve (12) month period, or at such earlier time
    as Seller may request, Buyer shall have the right to reduce the DCQ to a
    volume equal to 80% of the average daily volume of gas delivered to Buyer
    during the calendar month of said delivery test.


                                      ARTICLE V

                            DETERMINATION OF GAS RESERVES

    At such time as the DCQ is equal to eight million (8,000,000) cubic feet
per day, and thereafter, from time to time as new wells are completed or
discoveries of gas are made for which Seller is the contract purchaser, Seller
will provide Buyer with the basic geological, engineering, production and other
data within Seller's possession which would be needed in making a determination
of gas reserves and deliverability of each well.

SECTION 1:

    RECOVERABLE GAS RESERVE DETERMINATION: One (1) month prior to the expected
initial delivery of gas from any such new well hereunder, Buyer shall furnish
Seller an estimate of Recoverable Gas Reserves. The estimate shall not include
nor be based in any manner upon volumes of casinghead gas.


                                         -10-

<PAGE>

    Within fifteen (15) days after Buyer's furnishing its estimate of the
Recoverable Gas Reserves, Seller shall advise Buyer whether Buyer's estimate is
acceptable. If Buyer's estimate of such Recoverable Gas Reserves is not
acceptable to Seller, and Seller and Buyer are unable to negotiate an agreeable
settlement, then the matter shall be determined by arbitration as provided in
this Article V. The Recoverable Gas Reserves when determined will form the basis
for determining the DCQ and take or pay obligations. Such DCQ shall be effective
until superseded by a subsequent redetermination of Recoverable Gas Reserves or
until changed under the provisions of Article IV, Section 5.

    The fact that Buyer and Seller cannot agree on the Recoverable Gas Reserves
for any well and find it necessary to submit such matter to arbitration shall
not prevent the connection of such well and the commencement of production
therefrom. The Recoverable Gas Reserves as finally determined by arbitration
shall be used to determine the DCQ retroactive to the date of initial delivery
from such well.

SECTION 2:

    SUBSEQUENT REDETERMINATIONS OF RECOVERABLE GAS RESERVES. Either party may
request a redetermination of Recoverable Gas Reserves during the month of July
of every second contract year hereof. Upon request Buyer shall, between July 1
and September 1 of each such year, estimate the quantity of Seller's Recoverable
Gas Reserves and promptly provide Seller with a statement thereof.


                                         -11-

<PAGE>

    Within fifteen (15) days after Buyer's furnishing its estimate of such
reserves, Seller shall advise Buyer whether Buyer's estimate of such reserves is
acceptable. If Seller and Buyer reach agreement on Recoverable Gas Reserves,
then such reserve agreement shall form the basis for determining the DCQ
effective the following January 1, unless limited by the provisions of Article
IV, Section 5. If Buyer's estimate of such reserves is not acceptable to Seller,
and Seller and Buyer are unable to negotiate an agreeable settlement, then the
matter shall be determined by arbitration as provided in this Article V. 

SECTION 3:

    ARBITRATION OF RESERVES. If Seller and Buyer are unable to agree upon the
Recoverable Gas Reserves in any of the foregoing instances and such disagreement
cannot be resolved by negotiation within sixty (60) days after Buyer has
submitted its determination of Recoverable Gas Reserves, then the determination
of such reserves will, at the request of either party, be submitted to
arbitration as hereinafter set forth.

    Upon written demand of either party, the parties shall meet and attempt to
appoint a single arbitrator. If the parties fail to name an arbitrator within
ten (10) days from such demand, then the arbitrator shall be appointed by the
American Arbitration Society.

    The arbitrator selected to act hereunder shall be qualified by education,
training and experience to determine gas reserves.

    The arbitrator so chosen shall proceed immediately to hear


                                         -12-

<PAGE>

and determine Recoverable Gas Reserves. The decision of the arbitrator shall be
made within thirty (30) days after his appointment, subject to any reasonable
delay due to unforeseen circumstances. Notwithstanding the foregoing, in the
event the arbitrator fails to make a decision within sixty (60) days after his
appointment, then either party may elect to have a new arbitrator chosen in like
manner as if none had previously been selected. If such election is made, the
decision of the previous arbitrator shall be null and void.

    The decision of the arbitrator shall be in writing and signed by the
arbitrator and shall be final and binding upon the parties hereto as to
Recoverable Gas Reserves hereunder, until such time as a redetermination may be
made as herein provided.

    The compensation and expenses of the arbitrator shall be paid in equal
proportions by Buyer and Seller.

    An initial determination of a redetermination of Recoverable Gas Reserves
rendered by an arbitrator shall form the basis of determining the DCQ effective
January 1 of the year following the year in which such arbitration was
requested, subject to the provisions of Article IV, Section 5.


                                      ARTICLE VI

                        DELIVERY PRESSURE AND DELIVERY POINTS

SECTION 1:

    DELIVERY PRESSURE. Delivery by Seller of gas shall be made at a pressure
that is sufficient to effect delivery of gas into


                                         -13-

<PAGE>

Buyer's pipeline but not in excess of one thousand (1,000) pounds
per square inch. Maintenance by Seller of sufficient pressure to
enter Buyer's pipeline shall be a condition of Buyer's obligation
to purchase and receive from Seller the quantities of gas specified
in Article III hereof.

SECTION 2:

    DELIVERY POINT. Delivery of natural gas hereunder shall be
at the discharge side of Seller's plant and facilities located in
the NW 1/4 NW 1/4 NE 1/4 of Section 34, Township 34 North, Range 2 West,
Toole County, Montana.

SECTION 3:

    TITLE: Title to all gas shall pass at the point of delivery.


                                     ARTICLE VII

                                    QUALITY OF GAS

SECTION 1:

    Seller agrees that the gas delivered hereunder shall be
merchantable natural gas, at all times complying with the following
quality requirements:

    (a) The gas shall be in its natural state as produced, including all
    hydrocarbon constituents therein contained, except gas from which Seller
    has removed liquid hydrocarbons under the provisions of Article III,
    Section 2(b)(ii)(3) hereof. Seller shall also have the right to remove
    nonhydrocarbon constituents and hydrocarbons as required to


                                         -14-

<PAGE>

    remove other constituents. Seller may enrich the gas to the extent required
    to meet the gross heating requirement set forth in Paragraph (b) below, and
    may subject the gas, or permit the gas to be subjected, to compression,
    cooling, cleaning and other processes.

    (b) The weighted average gross heating value of gas delivered to Buyer
    hereunder shall not be less than nine hundred (900) British Thermal Units
    per cubic foot, and shall not be more than one thousand two hundred (1,200)
    British Thermal Units per cubic foot. Buyer may reject delivery of gas
    having a weighted average gross heating value of less than nine hundred
    (900) British Thermal Units or more than one thousand two hundred (1,200)
    British Thermal Units.

    (c) The gas shall be commercially free from sand, dust, gums, liquid water,
    crude oil, impurities and other objectionable substances and shall have
    been dehydrated by Seller for removal of water present therein in a vapor
    state, and in no event contain more than four (4) pounds of water vapor per
    one million (1,000,000) cubic feet of gas, and shall be free from
    hydrocarbons liquifiable at temperatures in excess of fifteen degrees
    (15 DEG) Fahrenheit at pressures up to 800 psig.

    (d) The gas shall not contain more than one-quarter (1/4) grain of hydrogen
    sulphide per one hundred (100) cubic feet of gas.


                                         -15-

<PAGE>

    (e) The gas shall not contain in excess of three percent (3%) by volume of
    carbon dioxide.

    (f) The temperature of the gas at the delivery point or delivery points
    shall not be in excess of one hundred twenty degrees (120 DEG) Fahrenheit.


                                     ARTICLE VIII

                                MEASUREMENT AND TESTS


SECTION l:

    UNIT OF VOLUME. The unit of volume for all gas hereunder shall be one (l)
cubic foot of gas, and the term "Cubic foot of Gas" wherever used in the
Contract shall mean a cubic foot of gas at a temperature of sixty degrees 
(60 DEG) Fahrenheit and at a pressure of 14.73 pounds per square inch absolute.

SECTION 2:

    SALES UNIT. The sales unit of the gas delivered hereunder shall be one
thousand (1,000) cubic feet.

SECTION 3.

    OWNERSHIP OF MEASURING EQUIPMENT. All measuring devices and materials
required at the point or points of delivery shall be installed, maintained, and
operated or furnished by Buyer at Buyer's expense. Seller may install and
operate check measuring equipment provided it does not interfere with the use of
Buyer's equipment in determining the volumes of gas delivered by Seller to Buyer
at the points of delivery.

SECTION 4:

    METERING AND COMPUTATION OF VOLUME. The gas shall be


                                         -16-

<PAGE>

metered by orifice meters or other measurement facilities constructed,
installed, and maintained by Buyer at or near the point or points of delivery.
Such measurement facilities of Buyer shall be constructed and installed in
accordance with the applicable provisions of the American Gas Association's "Gas
Measurement Committee Report No. 3, dated April, 1955". The volumes of gas
delivered to Buyer shall be computed from the meter records and converted into
the units of measurement specified herein in accordance with the methods
prescribed in Gas Measurement Committee Report No. 3 of the American Gas
Association, including the appendix thereto, as published April, 1955, or any
subsequent revision thereof acceptable to Buyer and Seller. Corrections shall be
made for deviation from the Ideal Gas Laws at the pressure and temperature at
which the gas is metered. To determine the factors for such correction a
quantitative analysis of the gas shall be made at reasonable intervals with such
apparatus as shall be agreed upon by Buyer and Seller, and such factors shall be
obtained from data contained in "Supercompressibility Factors for Natural Gas",
Volumes 1 through 6, inclusive, or in "Tables for Determination of
Supercompressibility Factors for Natural Gas Containing Nitrogen and/or Carbon
Dioxide", Volume 7, as published by the American Gas Association in 1955, or any
subsequent revision thereof acceptable to Buyer and Seller. For the purpose of
measurement and meter calibration, the atmospheric pressure shall be assumed to
be 13 pounds per square inch, irrespective of variations in natural atmospheric
pressure from time to time. Seller agrees


                                         -17-

<PAGE>

to provide sufficient pulsation dampening equipment so that measurement at the
point of delivery will not be affected by pulsation.

SECTION 5:

    SPECIFIC GRAVITY. The specific gravity of the gas flowing through the well
meter, or meters, shall be determined by Buyer, or, at Seller's election, by
joint tests, at intervals of appoximately twelve (12) months as may be
practicable under the circumstances. All such determinations of specific gravity
shall be made by a standard gravity balance or by a gravitometer employing the
"Momentum Method" of specific gravity determinations as described in Chapter
VII, "Determination of Specific Gravity", of the American Gas Association Gas
Measurement Manual, 1963 edition. The specific gravity of the gas flowing
through each meter determined by either of the above-mentioned methods shall be
used in computing the volume of gas delivered through such meter. The specific
gravity determined by any test shall apply from the date the test was taken
until the date of the next test.

SECTION 6.

    TEMPERATURE. The temperature of the gas delivered at the points of delivery
hereunder shall be determined by means of an indicating thermometer. The
arithmetic average of readings taken at the beginning and end of each chart
period shall be used in computing the volumes delivered hereunder.

SECTION 7:

    EQUIPMENT TESTING. The accuracy of Buyer's measuring equipment shall be
verified by test, using means and methods


                                         -18-

<PAGE>

generally acceptable in the gas industry, at least annually or upon the written
request of Seller. Notice of the time and nature of each test shall be given by
Buyer to Seller sufficiently in advance to permit convenient arrangement for
Seller's representative to be present. Measuring equipment found to be
registering inaccurately shall be adjusted to read as accurately as possible.
If, after notice, Seller fails to have a representative present, the results of
the test shall nevertheless be considered accurate until the next test. All
tests of such measuring equipment shall be made at Buyer's expense, except that
Seller shall bear the expense of tests made at its request if the inaccuracy is
found to produce an error of two percent (2%) or less in the measurement of gas.

SECTION 8:

    MEASURING EQUIPMENT OUT OF REPAIR. If, for any reason any measuring
equipment is inoperative or inaccurate so that the volume of gas delivered is
not correctly indicated by the reading thereof, and if such reading is in error
by more than two percent (2%) in the measurement of gas, then the volume of gas
delivered, during the period such measuring equipment is inoperative or
inaccurate, shall be determined by the parties hereto on the basis of the best
date available using the first of the following methods which is feasible:

    (a) By using the registration of any check measuring equipment installed
    and accurately registering;

    (b) By correcting the error if the percentage of error is ascertainable by
    calibration, test, or mathematical


                                         -19-


<PAGE>

    calculations; or

    (c) By comparing deliveries made during preceding periods under similar
    delivery conditions when the meter was registering accurately.

    An adjustment based on such determination shall be made for such period of
inaccuracy as may be definitely known, or if not known, then for one-half the
period since the date of the last meter test. In no event, however, shall any
adjustment extend back beyond six months from the date the error was first made
known by one party hereunder to the other.

SECTION 9:

    INSPECTION OF EQUIPMENT. Buyer and Seller shall have the right to inspect
equipment installed or furnished by the other party, and the charts and other
measurement or test data of the other party, at all times during business hours;
but the reading, calibration, and adjustment of such equipment and changing of
charts shall be done only by the party installing and furnishing the same.
Unless the parties otherwise agree, each party shall perserve all original test
data, charts, and other similar records in such party's possession for a period
of at least five (5) years.

SECTION 10:

    GROSS HEATING VALUE. The gross heating value per cubic foot of gas shall be
determined from time to time by the Buyer at the Buyer's expense, using an
accurately calibrated Culter-Hammer calorimeter from samples of the gas taken at
the delivery point or points. The Seller shall have the right to witness any and
all tests of gross heating value made by the Buyer. The Seller

                                         -20-


<PAGE>

shall have the right at any time to make or to require the Buyer to make a
special test of the gross heating value of gas delivered hereunder, but the
Seller shall bear the expense of any special tests made at its request. Tests of
gross heating value of gas delivered hereunder shall be made by the Buyer after
giving Seller ten (10) days written notice thereof.

SECTION 11:

    HYDROGEN SULPHIDE. Tests to determine hydrogen sulphide content shall be
made whenever necessary, but not oftener than two (2) times during any calendar
year, to determine whether the gas meets the requirements of Article VII,
Section 1 (d) hereof. Such test shall be made at the expense of the Buyer.
Seller shall have the right to witness and verify all tests.

SECTION 12:

    DATA TO BE PROVIDED TO SELLER. Buyer shall provide Seller with all
information, data, test results, reservoir information, etc, immediately upon
receipt of same by Buyer, to the end that at all times Seller shall have all
information relative to its wells that is available to Buyer.

                                         -21-


<PAGE>

                                      ARTICLE IX
                                  PRICE AND PAYMENT

SECTION 1:

    (a) Buyer shall pay the Seller on or before the 25th day of each month for
    gas volumes delivered and actually taken in the preceding month. If during
    any calendar month Seller has available for delivery 125% of the DCQ and
    Buyer does not take a total volume of gas equal to the DCQ multiplied by
    the number of days in said calendar month, then, on or before the 25th day
    of the succeeding month Buyer shall pay Seller, as take-or-pay payment, the
    value of such volume of gas not taken. If Buyer shall have taken a total
    volume of gas in excess of the DCQ multiplied by the number of days in any
    calendar month, and if said excess has not been credited to make up of
    deficiencies pursuant to Article IV, Section 4(a) hereof, then Buyer shall
    be entitled to credit such excess against any deficiency in take occurring
    in any subsequent month in the same calendar year.

    (b) The price to be paid by the Buyer to the Seller for gas delivered to
    the Buyer at the delivery point or for take or pay payments shall be in
    U. S. funds and shall be at all times equivalent to the Canadian Border
    price for gas produced in Alberta and delivered to Buyer at the
    Canadian-Montana border at Aden, Alberta. Proper adjustments shall be made
    monthly for Pressure Base,

                                         -22-

<PAGE>

    BTU Content, (none required at present since this Contract and the Canadian
    Border price are both stated at 14.73 psia and 1000 BTU), and currency
    adjustment between Canandian and U. S. currency. The currency adjustment
    shall be based on the arithmetic average of the daily exchange rate of
    Canadian currency and United States currency as published at Twelve O'clock
    (12:00) noon by the Royal Bank of Canada at the City of Ottawa.

         In the event deliveries of gas produced in Alberta at the Aden border
    export point cease but Buyer continues to import gas produced in Alberta at
    the Carway border export point, then the Canadian Border price at Carway
    will determine the price hereunder.

    (c) If the gas delivered hereunder has a gross heating value of less than
    one thousand (1,000) BTU per cubic foot, then the price payable for such
    gas shall be reduced. If the gas has a gross heating value of more than one
    thousand (1,000) BTU per cubic foot, then the price payable for such gas
    shall be increased. Such reduced or increased price shall be determined by
    multiplying the price otherwise payable by a fraction, the numerator of
    which is the actual gross heating value of the gas delivered, express in
    BTU per cubic foot, and the denominator of which is one thousand (1,000);
    provided, however, such fraction shall not exceed 12/10 even though the
    gross heating value of the gas is found to be in excess of one thousand two
    hundred (1,200) BTU per cubic foot.

                                         -23-


<PAGE>
 SECTION 2:

    (a) If Buyer ceases to import gas produced in the Province of Alberta, then
    the price per MCF to be paid pursuant to Section 1 of this Article IX
    shall, upon demand by either party, be renegotiated, effective the day
    Canadian gas produced in Alberta ceases to flow into Buyer's Montana
    system, pursuant to the provisions of this Section. Either party shall also
    have the right to demand renegotiation, pursuant to this Section, on the
    second (2nd) anniversary date following the date on which gas produced in
    Alberta ceases to flow into Buyer's Montana system and on each second
    anniversary date thereafter.

    (b) Upon demand made at least six (6) months but not more than ten (10)
    months prior to the second (2nd) "anniversary date", and/or at least six
    (6) months but not more than ten (10) months prior to the "anniversary
    date" of each second (2nd) year thereafter, as appropriate, the parties
    shall renegotiate the price to be paid pursuant to this Contract. Failure
    to make the demand within the times allowed shall be deemed a waiver of the
    right to renegotiate.

    (c) Such renegotiation shall arrive at the fair market price of the gas
    hereunder based upon similar sales of gas, irrespective of whether such
    sales are delivered or wellhead sales, for ultimate delivery to pipeline
    transmission companies or upon sales of gas derived from field sales of gas
    to pipeline transmission companies, produced

                                         -24-


<PAGE>

    from fields and reservoirs located in the State of Montana. In determining
    the fair market price, all pertinent factors, such as point of delivery,
    cost of gathering, quality, quantity and delivery pressure, shall be
    considered and given due weight.

         If the parties are successful in negotiating a price, as provided
above, said price shall become effective on the "anniversary date" for which
such price renegotiation is requested.

    If the parties are unable to agree upon such fair market price by sixty
(60) days prior to the appropriate "anniversary date", then either party shall
have the right to refer the matter to arbitration to determine the price of gas
to be delivered hereunder.

    Upon written demand of either party, the parties shall meet and attempt to
appoint a single arbitrator. If the parties are unable to agree on a single
arbitrator, then upon written demand of either party and within ten (10) days of
such demand, each party shall name an arbitrator; and the two arbitrators so
named shall within ten (10) days therafter choose a third. If either party shall
fail to name an arbitrator within ten (10) days from the date of such demand,
then the second arbitrator shall be appointed by the American Arbitration
Society. If the two arbitrators shall fail within ten (10) days from their
appointment to agree upon and appoint the third arbitrator, then upon written
application by either party such third arbitrator shall be appointed by the
American Arbitration Society.

    The arbitrator or arbitrators selected to act hereunder shall be qualified
by education and training to determine the appropriate price for gas delivered
hereunder.

                                         -25-


<PAGE>

    The single arbitrator or the arbitrators so chosen shall proceed
immediately to determine the price for gas delivered hereunder. The cecision of
the single arbitrator shall be made within thirty (30) days after his
appointment, subject to any reasonable delay due to unforeseen circumstances.
The decision of the arbitrators, or a majority of them, shall be made within
forty-five (45) days after the appointment of the third arbitrator, subject to
any reasonable delay due to unforeseen circumstances. Notwithstanding the
foregoing, in the event the single arbitrator fails to make a decision within
sixty (60) days after his appointment or if the arbitrators, or a majority of
them, fail to make a decision within sixty (60) days after the appointment of
the third arbitrator, then either party may elect to have a new single
arbitrator or arbitrators chosen in like manner as if none had previously been
selected.

    The decision of the single arbitrator or the decision of the arbitrators,
or a majority of them shall be drawn up in writing and signed by the single
arbitrator or by the arbitrators, or a majority of them and shall be final and
binding upon the parties as to the price of gas delivered hereunder, effective
on the "anniversary date" for which such price renegotiation was requested.

    The compensation and expenses of the single arbitrator shall be paid in
equal proportions by Buyer and Seller.

    If each party has named an arbitrator, and the third has been appointed as
provided herein, the compensation and expenses of such arbitrator shall be paid
by the party appointing him or

                                         -26-


<PAGE>

in whose behalf such arbitrator was appointed, and the compensation and expenses
of the third arbitrator shall be paid in equal proportions by Buyer and Seller.

SECTION 3:

    On or before the fifteenth (15th) day of each calendar month after
deliveries of gas are commenced hereunder, the Buyer shall render to Seller a
statement showing the amount of gas delivered during the preceding calendar
month, together with sufficient information to explain and support any
adjustment by the Buyer with respect to the value of gas delivered in
determining the amounts stated to be due. Payment shall be made by Buyer to
Seller on or before the twenty-fifth (25th) day of said month.

SECTION 4:

    Seller shall have, upon request within one (l) year after receipt of the
statement referred to in Section 3 of this Article IX, the right to examine the
meter charts and computations upon which such statements are based. If the
Seller deems such charts for computations to be inaccurate, Seller may protest
the statement within one (l) year of the examination thereof, and may request a
check to be made of the meter installed pursuant to Article VIII hereof. Any
statement not protested within one (l) year of the examination of meter charts
and computations thereof shall be deemed to be correct. The Buyer shall make
current meter charts available to the Seller for examination.

                                      ARTICLE X

                               SELLER'S REPRESENTATIONS

                                         -27-


<PAGE>

SECTION 1:

    AGREEMENT. Seller represents and warrants that it is the purchaser of and
has the right to sell gas to be produced from the land described in Schedule "A"
and agrees to maintain its purchase contracts in full force and effect, at its
own expense. 

SECTION 2:

    WELLS. Seller's gathering system and the wells connected thereto shall be
equipped and operated as required to meet the Quality provisions of Article VII
hereof and shall be maintained in good operating condition, in accordance with
approved practices, without cost to Buyer. In the event liquids exist, requiring
separation from the gas, then Seller agrees to install, operate, and maintain,
without cost to Buyer, such liquid removal equipment operated at normal
temperatures, as may be necessary to separate such liquids from the gas.

SECTION 3:

    NOTICE TO BUYER. Seller will advise Buyer, at the earliest possible date,
its best estimate of the initial delivery date of gas from any new wells
connected to Seller's gathering system.

                                      ARTICLE XI

                                     TITLE TO GAS

    Seller warrants that it has title to all gas delivered to Buyer under this
Contract and that Seller has authority to sell the same, and Seller agrees to
indemnify and save Buyer harmless from any and all suits, claims, and liens of
whatsoever nature

                                         -28-


<PAGE>

relating to such gas or the title thereto. If the title to any property or
interest in any property from which gas is purchased by Seller and sold to Buyer
hereunder shall at any time be involved in litigation, Buyer shall have the
right to withhold (invested in certificates of deposit, short-term government
securities or similar obligations or deposited in an interest bearing account,
such interest to be paid along with the principal sum) the proceeds payable for
the gas produced from the particular property or interest in property in
litigation during the period of such litigation or until Seller shall furnish a
bond, in form and with sureties acceptable to Buyer, conditioned to save Buyer
harmless.

    If it should be finally determined that there is a defect in Seller's right
to or ownerhsip of the gas to be sold hereunder, Seller shall, with reasonable
promptness, attempt to remedy such defect. Until the defect to such title shall
have been remedied, Buyer shall have the right either to refuse to accept
deliveries of gas hereunder and withhold (invested in certificates of deposit,
short-term government securities or similar obligations or deposited in an
interest bearing account, such interest to be paid along with the principal sum)
the proceeds otherwise payable to Seller hereunder.

    Title to the gas delivered hereunder shall pass to the Buyer at the
Delivery Point.

                                     ARTICLE XII

                                    FORCE MAJEURE

If either party to this Contract shall fail to perform any

                                         -29-


<PAGE>

obligation hereby imposed upon it and such failure shall be caused, or
materially contributed to by acts of God, strikes, lockouts, or other industrial
disturbances in the operation of Seller or Buyer or their customers, acts of
enemies of the State, sabotage, wars, blockades, insurrections, riots,
epidemics, landslides, lightning, earthquakes, floods, storms, fires, washouts,
arrests and restraints of rulers and people, civil disturbances, explosions,
breakage of or accident to machinery or lines of pipe, hydrate obstructions to
lines of pipe, temporary failure of gas supply, freezing of wells or delivery
facilities, well blowouts, craterings, inability to obtain pipe, materials or
equipment, the order of any court or governmental authority, or by any act or
omission which is occasioned by any event or occurrence of the character
described in this Article XII as constituting force majeure, or by the necessity
for making repairs to or reconditioning wells, a gas processing plant,
machinery, equipment, or pipe lines, not resulting from the fault or negligence
of such party, or by any other cause, whether of the kind herein enumerated or
otherwise, all such causes being beyond control of the party invoking this
Article and being such that by the exercise of due diligence such party could
not have prevented, such failure shall not give rise to any cause of action
based on breach of the obligations to such party hereunder, but such party shall
use reasonable diligence to put itself again in a position to carry out its
obligations hereunder. Nothing contained herein shall be construed to require
either party to settle a strike or lockout by acceding against its judgment to
the demands of opposing parties.

                                         -30-


<PAGE>

    No such cause affecting the performance of the Contract by either party
shall continue to avoid a cause of action after the expiration of a reasonable
period of time within which by the use of due diligence such party could have
remedied the situation preventing its performance, nor shall any such cause
relieve either party from its obligation to make payment of amounts then due
hereunder for gas already delivered nor shall any such cause avoid a cause of
action unless such party shall give notice of such cause in writing to the other
party with reasonable promptness; and like notice shall be given upon
termination of such cause.

    For purposes of determining the occurrence of performance of obligations
under this agreement, it is mutually agreed that, during a period of force
majeure, the party affected shall be deemed to have performed all of its
obligations as if it had delivered or purchased the gas required to be delivered
or purchased during said period.

                                     ARTICLE XIII

                                         TERM

SECTION 1:

    This Contract shall become effective on the Effective Date hereof and shall
continue in effect for a period of fifteen (15) Contract Years (initial term)
from the date of initial delivery of gas hereunder and thereafter from year to
year until cancelled by one (1) year's written notice from one party to the
other.

                                         -31-


<PAGE>

                                     ARTICLE XIV

                                    MISCELLANEOUS

SECTION 1:

    NOTICES.   Notices to Buyer shall be addressed to:

              The Montana Power Company
              40 East Broadway
              Butte, Montana 59701

Notices to Seller shall be addressed to:

              Cascade Gas Co.
              P. O. Box 577
              Shelby, Montana 59474

    Either party may change its address under this Section at any time upon
written notice.

SECTION 2:

    REGULATORY JURISDICTION. This Contract is subject to all valid legislation
and to all valid present and future orders, rules, and regulations of duly
constituted authorities having jurisdiction.

    Should Buyer propose to transport, sell or use gas purchased hereunder in
such a manner that would, in Seller's opinion, subject Seller to jurisdiction of
the Federal Power Commission with respect to Seller's performance of this
Agreement, Seller may terminate this Agreement prior to consummation of such
proposals of Buyer upon written notice of such termination to Buyer. Such notice
must be given to Buyer not more than thirty (30) days after Buyer provides
Seller with written notice of any such proposal; provided Buyer shall not
inaugurate any such proposals prior to the effective date of any termination
Seller may elect pursuant to this paragraph. After any

                                         -32-


<PAGE>

such termination, Seller shall not sell or contract to sell such gas under
circumstances which would render Seller subject to jurisdiction of the Federal
Power Commission respecting such sale or contract without first offering the gas
to Buyer on the same terms, which offer shall be in writing and shall be open
for thirty (30) days after given. Thereafter, unless such offer is accepted
within said time, Seller may sell or contract to sell such gas to any person.

SECTION 3.

    This Contract shall bind and inure to the benefit of the parties hereto,
their successors and assigns.

SECTION 4:

    EASEMENTS. Seller hereby grants and assigns to Buyer all requisite
easements and rights-of-way over, across and under any of the land covered
hereby that Seller has the right so to do under the terms of the Agreement
covering such lands, and the right to perform thereon any acts necessary or
convenient in carrying out the terms of this Contract and Buyer's obligations
hereunder.

SECTION 5.

    TITLES. The numbering and titling of particular provisions of the Contract
is for the purpose of facilitating administration and shall not be construed as
having any substantive effect on the terms of this Contract. 

SECTION 6.

    INTERPRETATION. The terms of this Contract shall be construed according to
the laws of the State of Montana.

                                         -33-


<PAGE>

SECTION 7.

    The effective date of this Contract is the day and date first above
written.

SECTION 8.

    SEVERABILITY. The various articles, sections, provisions and clauses of
this Contract are severable. The invalidity of any portion hereof shall not
affect the validity of any other portion of nor the entire Contract.

SECTION 9.

    TIME. Time is of the essence in this Agreement.

SECTION 10.

    PAYMENT. All take-or-pay payments or payments for gas taken shall be made
to:

                        Cascade Gas Co.
                        P. O. Box 577
                        Shelby, Montana 59474

SECTION 11:

    EXECUTED at Butte, Montana, the day and year first above written.


                                                 THE MONTANA POWER COMPANY

                                                 By /s/ [ILLEGIBLE]
                                                   -----------------------
ATTEST:

/s/ F.A. McElwain
- -----------------------------------
ASSISTANT SECRETARY
                                                      BUYER


                                         -34-

<PAGE>

    EXECUTED at Shelby, Montana, as of the day and year first
above written.

                                            CASCADE GAS CO.

ATTEST:                                     By /s/ Jerry L. Branch
                                               --------------------------



/s/ [ILLEGIBLE]
- ---------------------------
ASSISTANT SECRETARY
                                                       SELLER

                                         -35-


<PAGE>

                    SCHEDULE A

          A part of the Delivered Gas Purchase
          Contract dated February 23, 1977,
          between The Montana Power Company as
          Buyer and Cascade Gas Co. as Seller.





               DESCRIPTION OF LANDS

               Toole County, Montana

          Township 34 North, Range 2 West
          Section 14, 15, 16, 20, 21, 22, 23, 26,
          27, 28, 29, 32, 34 and 35

          Township 33 North, Range 2 West
          Sections 3 and 4



<PAGE>

                             [LETTERHEAD]

                       LETTER AGREEMENT AMENDING

                         GAS PURCHASE CONTRACT
                       

                                            March 9, 1982


Cascade Gas Company
P. O. Box 577
Shelby, MT 59474

Gentlemen:

Please refer to that certain Delivered Gas Purchase Contract dated February 23,
1977 (hereinafter called the "Contract") by and between The Montana Power
Company (hereinafter called "Buyer") and Cascade Gas Company (hereinafter called
"Seller").

    Because Cascade Gas Company has obtained the rights to produce gas from
    lands not originally covered by the Contract, and as a consequence The
    Montana Power Company will receive an additional gas supply, The Montana
    Power Company hereby proposes to amend the Contract as follows, subject to
    the terms and conditions hereinafter set forth:

    1.   SCHEDULE A

         Add T33N-R2W - All Sections
         Add T33N-R3W - Sections 23, 24, 25, 26, 35, 36

    2.   Whenever Seller's deliverability reaches 1000 MCFD or more under the
         Contract then whenever it appears in the Contract, Seller's obligation
         to deliver 125% of the DCQ shall be changed to 150% and Buyer's right
         to reduce the DCQ to 80% of average daily volume of gas shall be
         changed to 66-2/3%.

    3.   Whenever Seller's deliverability is less than 1000 MCFD under the
         Contract then Seller's obligation to deliver 125% of the DCQ and
         Buyer's right to reduce the DCQ to 80% of average daily volume of gas
         shall be reinstated. In this case Buyer will use its best efforts to
         take delivery of all the gas Seller is capable of delivering.


<PAGE>

Page Two
LETTER AGREEMENT AMENDING
GAS PURCHASE CONTRACT

    4.   Under no circumstances will the Buyer be required to conduct a
         deliverability test during the month of June, July and August under
         the Contract.

    5.   These contract amendments will be effective October 1, 1981. These
         amendments make no changes to the Contract other than those specified
         herein.

If these contract amendments are satisfactory, please signify your acceptance by
signing in the space provided and return the "Montana Copy" to me.


                                       THE MONTANA POWER COMPANY
                                       BY: /s/ R.P. Madison
                                           -----------------------
                                       TITLE: MGR, GAS SUPPLY
                                              --------------------

AGREED TO AND ACCEPTED 
CASCADE GAS COMPANY

BY: /s/ Jerry L. Branch
    -----------------------------
TITLE: Manager
      --------------------------
DATE: April 23, 1982
     ---------------------------


<PAGE>

                                     AMENDMENT TO

                           DELIVERED GAS PURCHASE CONTRACT

                               Dated February 23, 1977

                               Cascade Gas Co. - Seller

                          The Montana Power Company - Buyer

    THE UNDERSIGNED, CASCADE GAS CO. (hereinafter SELLER) and THE MONTANA POWER
COMPANY (hereinafter BUYER), in consideration of the mutual benefits to accrue
to each Party, do hereby agree that that certain Delivered Gas Purchase Contract
between the Parties hereto, dated February 23, 1977, is hereby amended as
follows:

                                          I.

    The amendments herein set forth shall be applicable as of 8:00 o'clock A.M.
on March 20, 1986.

                                         II.

    Section 1, Delivery Pressure, of Article VI, Delivery Pressure and Delivery
Points, appearing on pages 13 and 14 of said Contract of February 23, 1977 shall
be deleted in its entirety and the following inserted in place thereof:

"Section 1:

    DELIVERY PRESSURE. Delivery by Seller of gas shall be made at a pressure
that is sufficient to effect delivery of gas into Buyer's pipeline but not in
excess of one thousand (1,000) pounds per square inch. However, Buyer agrees
that it will not operate its pipeline at a pressure greater than eight hundred
(800) pounds per square inch unless Buyer gives Seller one (1) year's advance
written notice of the need to increase the pipeline pressure to more than eight
hundred (800) pounds per square inch (but not more than one thousand (1,000)
pounds per square inch) and, pursuant to such written notice Buyer does, in
fact, at the stated time increase its pipeline pressure to the pressure set
forth in the written notice. Maintenance by Seller of sufficient pressure to
enter Buyer's pipeline shall be a condition of Buyer's obligation to purchase
and receive from Seller the quantities of gas specified in Article III hereof."

                                          1


<PAGE>

                                         III.

    Sections 1 and 2 of Article IX, Price and Payment, beginning on page 22 and
continuing to page 27 of said Contract of February 23, 1977, shall be deleted in
their entirety and the following inserted in place thereof:

    "SECTION 1:

         (a) Buyer shall pay the Seller on or before the 25th day of each month
         for gas volumes delivered and actually taken in the preceding month.
         If during any calendar month Seller has available for delivery 125% of
         the DCQ and Buyer does not take a total volume of gas equal to the DCQ
         multiplied by the number of days in said calendar month, then, on or
         before the 25th day of the succeeding month Buyer shall pay Seller, as
         take-or-pay payment, the value of such volume of gas not taken. If
         Buyer shall have taken a total volume of gas in excess of the DCQ
         multiplied by the number of days in any calendar month, and if said
         excess has not been credited to make up of deficiencies pursuant to
         Article IV, Section 4(a) hereof, then Buyer shall be entitled to
         credit such excess against any deficiency in take occurring in any
         subsequent month in the same calendar year.

         (b) The price to be paid by the Buyer to the Seller for gas delivered
         to Buyer at the delivery point or for take-or-pay payments, for the
         period of time expiring on December 31, 1987, shall be Two Dollars and
         25/lOOths ($2.25) in U.S. funds per MCF.

         (c) If the gas delivered hereunder has a gross heating value of less
         than one thousand (1,000) BTU per cubic foot, then the price payable
         for such gas shall be reduced. If the gas has a gross heating value of
         more than one thousand (1,000) BTU per cubic foot, then the price
         payable for such gas shall be increased. Such reduced or increased
         price shall be determined by multiplying the price otherwise payable
         by a fraction, the numerator of which is the actual gross heating
         value of the gas delivered, expressed in BTU per cubic foot, and the
         denominator of which is one thousand (1,000); provided, however,

                                          2


<PAGE>

         such fraction shall not exceed 12/10 even though the gross heating
         value of the gas is found to be in excess of one thousand two hundred
         (1,200) BTU per cubic foot.

    SECTION 2:

         (a) Either party shall have the right to demand renegotiation of the
         price to be paid for gas hereunder as hereinafter provided.

         (b) Upon demand made at least six (6) months but not more than ten
         (10) months prior to the anniversary date of January 1, 1988, and/or
         at least six (6) months but not more than ten (10) months prior to
         each second anniversary date thereafter (i.e., January 1, 1990, et
         seq.), the parties shall renegotiate the price to be paid pursuant to
         this Contract. Failure to make the demand within the times allowed
         shall be deemed a WAIVER OF THE right to renegotiate.

         (c) Such renegotiation shall arrive at the fair market price of the
         gas hereunder based on similar sales of gas, irrespective of whether
         such sales are delivered or wellhead sales, for ultimate delivery to
         pipeline transmission companies or upon sales of gas derived from
         field sales of gas to pipeline transmission companies, produced from
         fields snd reservoirs located in the State of Montana. In determining
         the fair market price, all pertinent facts, such as point of delivery,
         cost of gathering, quality, quantity and delivery pressure, shall be
         considered and given due weight.

         If the parties are successful in negotiating a price, as provided
    above, said price shall become effective on the "anniversary date" for
    which such price renegotiation is requested.

         If the parties are unable to agree upon such fair market price by
    sixty (60) days prior to the appropriate "anniversary date", then either
    party shall have the right to refer the matter to arbitration to determine
    the price of gas to be delivered hereunder. If written demand for
    arbitration is not delivered or mailed, certified mail with postage
    prepaid, on or before November 15 prior to such "anniversary date", the
    right shall be deemed waived, and the price in effect on the "anniversary
    date" shall remain in effect.

                                          3



<PAGE>

         Upon written demand of either perty, the parties shall meet end
    attempt to appoint a single arbitrator. If the parties are unable to agree
    on a single arbitrator, then upon written demand of either party and within
    ten (10) days of such demand, each party shall name an arbitrator; and the
    two arbitrators so named shall within ten (10) days thereafter choose a
    third. If either party shall fail to name an arbitrator within ten (10)
    days from the date of such demand, then the second arbitrator shall be
    appointed by the American Arbitration Society. If the two arbitrators shall
    fail within ten (10) days from their appointment to agree upon and appoint
    the third arbitrator, then upon written application by either party such
    third arbitvator shall be appointed by the American Arbitration Society.

         The arbitrator or arbitrators selected to act hereunder shall be
    qualified by education and training to determine the appropriate price for
    gas delivered hereunder.

         The single arbitrator or the arbitrators so chosen shall proceed
    immediately to determine the price for gas delivered hereunder. The
    decision of the single arbitrator shall be made within thirty (30) days
    after his appointment, subject to any reasonable delay due to unforeseen
    circumstances. The decision of the arbitrators, or a majority of them,
    shall be made within forty-five (45) days after the appointment of the
    third arbitrator, subject to any reasonable delay due to unforeseen
    circumstances. Notwithstanding the foregoing, in the event the single
    arbitrator fails to make a decision within sixty (60) days after his
    appointment or if the arbitrators, or a majority of them, fail to make a
    decision within sixty (60) days after the appointment of the third
    arbitrator, then either party may elect to have a new single arbitrator or
    arbitrators chosen in like manner as if none had previously been selected.

         The decision of the single arbitrator or the decision of the
    arbitrators, or a majority of them, shall be drawn up in writing and signed
    by the single arbitrator or by the arbitrators, or a majority of them and
    shall be final and binding upon the parties as to the price of gas
    delivered hereunder, effective on the "anniversary date" for which such
    price renegotiation was requested.

                                          4


<PAGE>

         The compensation and expenses of the single arbitrator shall be paid
    in equal proportions by Buyer and Seller.

         If each party has named an arbitrator, and the third has been
    appointed as provided herein, the compensation and expenses of such
    arbitrator shall be paid by the party appointing him or in whose behalf
    such arbitrator was appointed, and the compensation and expenses of the
    third arbitrator shall be paid in equal proportions by Buyer and Seller."

                                         IV.

    Section 1 of Article XIII, Term, appearing on page 31 of said Contract of
February 23, 1977, shall be deleted in its entirety and the following inserted
in place thereof:

    "SECTION 1:

         This Contract shall become effective on the Effective Date hereof and
    shall continue in effect for a period of twenty-five (25) Contract Years
    (initial term) from the date of initial delivery of gas hereunder and
    thereafter from year to year until canceled by one (1) year's written
    notice from one party to the other. The twenty-five (25) Contract Years
    (initial term) shall expire on December 31, 2001."

                                          V.

    Schedule A attached to said Contract of February 23, 1977 shall be deleted
in its entirety and the following inserted in place thereof:

                                     "SCHEDULE A

         A part of the Delivered Gas Purchase Contract
         dated February 23, 1977 between The Montana
         Power Company as Buyer and Cascade Gas Co. as
         Seller

                                 DESCRIPTION OF LANDS

    Toole County, Montana

         TOWNSHIP 34 NORTH, RANGE 1 WEST
         Sections: All (being 1 through 36 inclusive)

         TOWNSHIP 34 NORTH, RANGE 2 WEST
         Sections: All (being 1 through 36 inclusive)

                                          5


<PAGE>

         TOWNSHIP 34 NORTH, RANGE 3 WEST
         Sections E1/2 (being Sections 1, 2, 3, 10, 11, 12, 13
         14, 15, 22, 23, 24, 25, 26, 27, 34, 35, 36

         TOWNSHIP 33 NORTH, RANGE 1 WEST
         Sections: All (being 1 through 36 INCLUSIVE)

         TOWNSHIP 33 NORTH, RANGE 2 WEST
         Sections: All (being 1 through 36 inclusive)

         TOWNSHIP 33 NORTH. RANGE 3 WEST
         SECTIONS E1/2 (being Sections 1, 2, 3, 10, 11, 12, 13,
         14, 15, 22, 23, 24, 25, 26, 27, 34, 35, 36

         TOWNSHIP 32 NORTH, RANGE 1 WEST
         Sections: N1/2 (being Sections 1 through 18 inclusive)

         TOWNSHIP 32 NORTH. RANGE 2 WEST
         Sections: N1/2 (being sections 1 through 18 inclusive)

         TOWNSHIP 32 NORTH, RANGE 3 WEST
         Sections: NE1/4 (being Sections 1, 2, 3, 10, 11, 12,
         13, 14 & 15 inclusive)"

                                         VI.

    With respect to Articles III, IV and IX of the Delivered Gas Purchase
Contract dated February 23, 1977, whenever reference is made to Seller's
obligation to deliver 125% OF DCQ, SAID reference shall be changed to 150% of
the DCQ. Likewise, whenever reference is made to Buyer's right to reduce the DCQ
to 80% of average daily volume of gas, said reference shall be changed to 66
2/3%. The changes hereinabove specified shall be effective to and including
December 31, 1987. Commencing January 1, 1988 and thereafter during the term of
said Delivered Gas Purchase Contract, whenever reference is made to Seller's
obligation to deliver 125% of the DCQ, said reference shall be changed to 133
1/3% of the DCQ and, likewise, whenever reference is made to Buyer's right to
reduce the DCQ to 80% of AVERAGE DAILY volume of gas, said reference shall be
changed to 75%.

                                         VII.

    Except as herein specifically modified, the terms and conditions of that
certain Delivered Gas Purchase Contract, dated February 23, 1977, between the
Parties hereto are hereby ratified and confirmed in all respects as being and
remaining in full force and effect.

                                          6



<PAGE>

    IN WITNESS WHEREOF, the Parties hereto have caused execution of this
Amendment to Delivered Gas Purchase Contract to be made as of the date
hereinafter specified beside the execution of each party, but effective as
provided in Paragraph I hereof.

                                       CASCADE GAS CO.

DATED:

May 2, 1986                            By /s/ Billy Froman
- --------------------------                ---------------------------------
                                          Billy Froman, President


                                                      SELLER

                                       THE MONTANA POWER COMPANY


DATED:

5-12-86                                By /s/ David A. Johnson
- --------------------------                ---------------------------------
                                          David A. Johnson
                                          Vice President, Gas Operations


                                                      BUYER


                                          7

<PAGE>

    State of Montana     )
                         : ss
    County of Toole      )



    On this 2nd day of May, 1986, before me, the undersigned, a Notary Public
in and for the State of Montana, personally appeared BILLY FROMAN known to me to
be the President of CASCADE GAS CO., and acknowledged to me that he executed the
foregoing document for and on behalf of said corporation.

    IN WITNESS WHEREOF, I have hereunto set my hand and affixed my Notarial
Seal the day and year first hereinabove written.


                                       /s/ Loretta J. Schoenduller
                                       --------------------------------------
                                       Notary Public for the State of Montana
                                       Residing at Shelby, MT
                                       My Commission expires 1/22/89


State of Montana        )
                        : ss
County of Silver Bow    )


    On this 12th day Of May, 1986, before me, the undersigned, a Notary Public
in and for the State of Montana, personally appeared DAVID A. JOHNSON, known to
me to be the Vice President, Gas Operations, of THE MONTANA POWER COMPANY, a
corporation, and acknowledged to me that he executed the foregoing document for
and on behalf of said corporation.

    IN WITNESS WHEREOF, I have hereunto set my hand and affixed my Notarial
Seal the day and year first hereinabove written.

/s/ Terrence O. Wisner
- --------------------------------------
Notary Public for the State of Montana
Residing at Butte, Montana
My Commission expires 11-13-87

                                          8


<PAGE>

                           RELEASE AND SETTLEMENT AGREEMENT

    THIS AGREEMENT, Made, entered into and effective as of the date hereinafter
provided is by and between CASCADE GAS CO. hereinafter FIRST PARTY, and THE
MONTANA POWER COMPANY, hereinafter SECOND PARTY,

                                     WITNESSETH:

    WHEREAS, a controversy exists between the Parties as to amounts of money
allegedly owed by Second Party to First Party, said controversy having arisen by
differences in interpretation of the effect of the provisions of Section 110 of
the Natural Gas Policy Act of 1978 when applied to the terms of that certain
Delivered Gas Purchase Contract dated February 23, 1977 (wherein First Party
appears as Seller and Second Party appears as Buyer), and

    WHEREAS, without admission by either Party of the validity of the position
advanced by the other, the Parties hereto have agreed to compromise and resolve
all of said disputed issues in the manner hereinafter set forth,

    NOW, THEREFORE, in consideration of the payments and performances
hereinafter provided to be made, and the mutual agreements and releases as
hereinafter set forth, the Parties do hereby agree as follows:

                                          I.

    Second Party agrees to pay to First Party the sum of Five Hundred
Sixty-five Thousand Nine Hundred Seventy-five and no/lOOths Dollars
($565,975.00) payable as follows:

    (A)  The sum of One Hundred Twenty-three Thousand Seven Hundred Twenty-five
         and no/lOOths Dollars ($123,725.00) payable simultaneously with
         execution hereof, receipt of which is hereby acknowledged;

    (B)  The sum of Four Hundred Forty-two Thousand Two Hundred Fifty and
         no/lOOths Dollars ($442,250.00) payable in nineteen (19) monthly
         installments, without interest, beginning with an installment due June
         15, 1986, with subsequent installments due on the 15th day of each
         month thereafter, through and including November 15, 1987, and the
         final installment due December 27, 1987. Each of the first eighteen
         (18) monthly installments shall be calculated as follows:

      (i)     Fifty cents ($.50) per mof times the first 1,450 mcfd of gas
              delivered to Second Party by First

                                          1


<PAGE>

              Party during the preceding calendar month; provided, however,
              that in the event total deliveries during any calendar month
              shall be less than an average of 1,450 mcfd for said month, then
              the payment shall be calculated upon the DCQ then in effect or
              1,450 mcfd, whichever is the lesser.

              In the further event that any monthly payment so calculated
              should be less than an amount calculated at the rate of fifty
              cents (5.50) per mcf times 1,450 mcfd, then the underpayment
              shall be carried forward into the next succeeding month or
              months, as necessary, so that said underpayment will be made up
              against gas delivered in each subsequent month or months wherein
              deliveries exceed the average of 1,450 mcfd.

     (ii)     Any remaining unpaid balance of said sum of Four Hundred
              Forty-two Two Hundred Fifty Dollars and no/lOOths Dollars
              ($442,250.00) will be paid in the final monthly installment due
              December 27, 1987.

    (iii)     Recoupment of underpayments pursuant to subparagraphs (i) and
              (ii) above shall be permitted only so long as First Party
              complies with the best efforts provisions of Paragraph II
              hereinafter set forth. In the event First Party does not comply
              with the provisions of Paragraph II hereof, Second Party shall
              not be obligated to pay the underpayment amounts referred to in
              subparagraphs (i) and (ii) above.

                                         II.

    First Party agrees that, during the period of time from effective date 
hereof to and including December 31, 1987, it will manage and operate the 
Cascade Gas Go. compressor ano related facilities in a good and workmanlike 
manner, in accordance with accepted oil and gas field practices, to the end 
that it shall exercise absolute good faith to attempt to deliver to Second as 
Second Party, from time to time, the rights granted Second Party under the 
terms of the Delivered Gas Purchase Contract dated February 23, 1977.  It is 
the intent of this Paragraph II that First Party will exercise all good faith 
in delivery of volumes of properly requested gas and will not unilaterally 
attempt, by any means, to reduce the volumes of delivered gas below those 
properly requested by Second Party pursuant to said Delivered Gas Purchase 
Contract.  Both Parties recognize that mechanical breakdowns, shutdowns for 
normal maintenance and repair, factors

                                          2


<PAGE>

that constitute items of force majeure under said contract or other similar
causes can or might interrupt delivery of requested gas volumes by First Party.
Such type of interruptions shall not be deemed to be in contravention of First
Party's good faith obligations herein set forth.

                                         III.

    Second Party shall, simultaneously with execution hereof, assign and convey
unto First Party, without warranty of title and without warranty of fitness for
use, all right, title and interest in and to that portion of a certain gas
pipeline, together with attendent rights-of-way or easements, more particularly
described as follows, to-wit:

The portion of a certain gas pipeline which originates in
Section 30, Township 34 North, Range 2 West; thence
proceeding southeasterly through Sections 29, 32 and 33,
Township 34 North, Range 2 West; thence proceeding on into
Sections 3, 4 and 10 of Township 33 North, Range 2 West,
Toole County, Montana.

    First Party shall be solely responsible for payment of personal property
taxes for the year 1986 and all years subsequent thereto attributable to the
above referenced portion of said gas pipeline, or if appropriate, will reimburse
Second Party for such taxes for the year 1986.

    First Party further agrees to hold harmless and indemnify Second Party of
and from any and all liability of whatsoever nature arising from or attributable
to First Party's usage of said gas pipeline from and after the effective date
hereof.

                                         IV.

    Except for the payments and performances herein above set forth to be made
and performed by each respective Party hereto, the Parties do hereby agree that
all of the claims heretofore existing by either Party against the other arising
by virtue of the application of the provisions of Section 110 of the Natural Gas
Policy Act of 1978 to the Delivered Gas Purchase Contract dated February 23,
1977 are hereby fully and finally compromised and settled in all respects. Each
Party does hereby relieve, release and discharge the other Party of and from any
and all claims heretofore existing or alleged to exist, contingent or accrued,
of any nature whatsoever relative to or arising under or out of the application
of the provisions of Section 110 of the Natural Gas Policy Act of 1978 to the
Delivered Gas Purchase contract dated February 23, 1977, and each Party agrees
to indemnify and hold the other Party harmless of and from any and all liability
arising from any such claims.

                                          3


<PAGE>

                                          V.

    This Release and Settlement Agreement shall be effective as of the date of
execution hereof by the last of the Parties signatory hereto.

    IN WITNESS WHEREOF, the Parties hereto have caused execution of this
Release and Settlement Agreement to be made as of the date hereinafter specified
beside the execution of each Party.

                                       CASCADE GAS CO.


DATED:

May 2, 1986                            By /s/ Billy Froman
- --------------------------                ---------------------------------
                                          Billy Froman, President


                                                 FIRST PARTY

                                       THE MONTANA POWER COMPANY


DATED:

5-12-86                                By /s/ David A. Johnson
- --------------------------                ---------------------------------
                                          David A. Johnson
                                          Vice President, Gas Operations


                                                 SECOND PARTY

                                          4

<PAGE>


    State of Montana    )
                        : ss
    County of Toole     )

    On this 2nd day of May, 1986, before me, the undersigned, a Notary Public
in and for the State of Montana, personally appeared BILLY FROMAN, known to me
to be the President of CASCADE GAS CO. and acknowledged to me that he executed
the foregoing document for and on behalf of said corporation.

    IN WITNESS WHEREOF, I have hereunto set my hand and affixed my Notarial
Seal the day and year first hereinabove written.


                                       /s/ Loretta J. Schoenduller
                                       --------------------------------------
                                       Notary Public for the State of Montana
                                       Residing at Shelby, MT
                                       My Commission expires 1/22/89


State of Montana        )
                        : ss
County of Silver Bow    )



    On this 12th day Of May, 1986, before me, the undersigned, a Notary Public
in and for the State of Montana, personally appeared DAVID A. JOHNSON, known to
me to be the Vice President, Gas Operations, of THE MONTANA POWER COMPANY, a
corporation, and acknowledged to me that he executed the foregoing document for
and on behalf of said corporation.

    IN WITNESS WHEREOF, I have hereunto set my hand and affixed my Notarial
Seal the day and year first hereinabove written.

                                       /s/ Terrence O. Wisner
                                       --------------------------------------
                                       Notary Public for the State of Montana
                                       Residing at Butte, Montana
                                       My Commission expires 11-13-87

                                          5

<PAGE>

[LETTERHEAD]


                                       December 18, 1986


Cascade Gas Company
P. O. Box 488
Cut Bank, MT 59427

Gentlemen:

    Please refer to that certain Gas Purchase Contract dated February 23, 1977,
as amended (hereinafter referred to as the "Contract") by and between The
Montana Power Company (hereinafter referred to as "Buyer") and Cascade Gas
Company (hereinafter referred to as "Seller").

    Buyer and Seller have agreed to amend the Price and Quantity sections of
the Contract as the result of an agreement between the parties whereby Seller
buys gas from Buyer and redelivers said gas to Buyer at the Contract delivery
point.

AGREEMENT

    In consideration of the representations and promises stated in this Letter
Agreement, Seller and Buyer agree to amend the Contract effective October 1,
1986 as follows:

    1.   ARTICLE IV QUANTITY OF GAS

         Add the following Section 6:

         Section 6:

         LIMITATION UPON GAS GATHERED BY SELLER FOR BUYER.
         Seller has agreed by separate Gathered Gas Purchase Contract dated
         October 1, 1986 (hereinafter referred to as "Gathered Contract") to
         gather and compress gas for the Buyer from the Buyer's existing
         gathering system in the Kevin area. This gas is to be delivered to
         Buyer in a common stream with Seller's gas under the Contract. The gas
         delivered to the Buyer by the Seller that was originally delivered to
         the Seller by the Buyer under the Gathered Contract will not be viewed
         as production by Seller at anytime, including production test periods
         and the subsequent calculation of the Contract DCQ.

<PAGE>

Cascade Gas Company
Gas Purchase Contract
Dated February 23, 1977

    2.   ARTICLE IX. PRICE AND PAYMENT

         Delete Section 1, paragraph (b) of the Contract amendment that was
    effective on March 20, 1986 and replace it with the following:

         b. PRICE

           (i)     AMOUNT TO BE PAID FOR BUYER'S GAS DELIVERED BY SELLER. From
                   the effective date hereof, and thereafter as specified in
                   the Gathered Contract, the price to be paid by the Buyer to
                   the Seller for gas originally sold to the Seller under said
                   Gathered Contract and subsequently redelivered to the Buyer
                   at the Contract delivery point shall be (in U.S. funds) the
                   amount specified in Article V of the Gathered Contract.

                   This gas will always represent the first increment that is
                   purchased and payment will be based on Buyer's meters in
                   accordance with the Gathered Contract.

          (ii)     AMOUNT TO BE PAID FOR SELLER'S PRODUCTION.
                   From the effective date hereof, and thereafter until January
                   1, 1988, the price to be paid by the Buyer to the Seller for
                   gas from Seller's production delivered to the Buyer at the
                   delivery point or for take-or-pay payment shall be (in U.S.
                   funds) two dollars and twenty five cents ($2.25) per Mcf.

    These contract amendments will become effective on October 1, 1986.

    Please signify your acceptance by signing in the space provided below and
return the fully executed "Montana Copy" to John Smith.

                                       THE MONTANA POWER COMPANY


                                       BY /s/ David A. Johnson
                                          -----------------------------------
                                          Vice President, Gas Supply

AGREED TO AND ACCEPTED

CASCADE GAS COMPANY

BY /s/ [ILLEGIBLE]
   ----------------------------------------
DATE September 18, 1987
     --------------------------------------

<PAGE>

[LETTERHEAD]

                                       April 12, 1988

Adobe Gas Gathering & Processing Co.
300 West Texas, Suite 1100
Midland, Texas 79701-9990

Gentlemen:

    Please refer to that certain Gas Purchase Contract dated February 23, 1977,
as amended (hereinafter referred to as the "Contract") between The Montana Power
Company (hereinafter referred to as "Buyer") and Adobe Gas Gathering &
Processing Company (hereinafter referred to as "Seller").

    Buyer and Seller have agreed to amend the Seller's Obligations, Quantity of
Gas, Price and Payment and Schedule A Sections of the Contract as the result of
a price renegotiation that is effective January 1, 1988.

AGREEMENT:

    In consideration of the representations and promises stated in this Letter
Agreement, Buyer and Seller agree to amend the Contract effective January 1,
1988 as follows:

1. ARTICLES III, IV AND IX

    With respect to Articles III, IV and IX of the Contract, whenever reference
is made to Seller's obligation to deliver 133-1/3% of DCQ, said reference shall
be changed to 125% of the DCQ. Likewise, whenever reference is made to Buyer's
right to reduce the DCQ to 75% of average daily volume of gas, said reference
shall be changed to 80%. The changes hereinabove specified shall be effective
from January 1, 1988 to and including December 31, 1989. Commencing January 1,
1990 and thereafter during the term of said Contract, whenever reference is made
to Seller's obligation to deliver 125% of the DCQ, said reference shall be
changed to 133-1/3% of the DCQ and, likewise, whenever reference is made to
Buyer's right to reduce the DCQ to 80% of average daily volume of gas, said
reference shall be changed to 75%.

2. ARTICLE IV

Add the following paragraph to Section 5:

    (c) MONTHLY NOMINATIONS. Buyer shall nominate monthly for a volume of gas
    to be delivered by Seller at the delivery point. When calculating whether
    Buyer has complied with the obligation to purchase the Annual Contract
    Volume under this Contract, Buyer will take credit for the greater of the
    volume of gas nominated by Buyer or the volume of gas delivered by Seller.
    The determination as to whether the Seller has delivered the volume of gas
    requested by Buyer is done on a monthly basis.


<PAGE>

3. ARTICLE IX

    Delete paragraphs (a) and (b) of Section 1 and replace them with the 
following:

    SECTION 1:

    (a) Buyer shall pay the Seller monthly for gas volumes delivered and
actually taken in the preceding month. Buyer shall pay Seller for all deficiency
volumes on or before the 25th day of February in the year following the year in
which a deficiency volume occurred. The payment shall equal the deficiency
volumes times the average unit price applicable in the preceding year. A
deficiency volume is calculated by subtracting the greater of purchased volumes
or nominated volumes from the Annual Contract Volume. If the nominated volume or
purchased volume exceeds the Annual Contract Volume, a deficiency has not
occurred.

    (b) The price to be paid by the Buyer to the Seller for gas delivered to
the Buyer at the delivery points or for take-or-pay payment shall be two dollars
and ten cents ($2.10) per MCF with no escalation. No adjustment to this price
will be made to provide for reimbursement of production-related taxes or any
other NGPA Section 110 add-ons.

4. SCHEDULE A.

Add the following lands to Schedule A:

    Township 35 North, Range 2 West: All Sections
    Township 35 North, Range 1 West: All Sections
    Township 35 North, Range 1 East: All Sections
    Township 34 North, Range 1 East: All Sections

Delete the following lands from Schedule A:

    Township 32 North, Range 2 West, Sections: N 1/2
    (being sections 1 through 18 inclusive).

    Township 32 North, Range 3 West, Sections: NE 1/4
    (being sections 1, 2, 3, 10, 11, 12, 13, 14, and 15 inclusive).

                                       THE MONTANA POWER COMPANY

                                       BY: /s/ David A. Johnson
                                           ---------------------------------
                                           Vice President, Gas Operations

AGREED TO AND ACCEPTED:

Adobe Gas Gathering & Processing Company

BY /s/ [ILLEGIBLE]
   -------------------------
TITLE President
      ----------------------
DATE: 4-23-88
      ----------------------


<PAGE>

                         Northland Royalty Operating Company
[GRAPHIC]                         3030 4th Avenue North
                               Billings, Montana 59101
                                    (406) 259-5400
                                   Fax(406) 259-7345

                                                                  April 28, 1992
Mr. Douglas R. Mann
Great Falls Gas Company
P.O. Box 2229
Great Falls, MT 59403-2229

Dear Mr. Mann,

    Please refer to that certain Gas Purchase Contract dated February 23, 1977,
as amended, (hereinafter referred to as the "Contract") between the Montana
Power Company as Buyer and Cascade Gas Gathering Company as Seller, to which
Great Falls Gas Company (hereinafter referred to as "Buyer") has become the
successor in the Buyer's interest and to which Northland Royalty Operating
Company (hereinafter referred to as "Seller") has become the successor in the
Seller's interest.

    Buyer and Seller have agreed to amend Article II-Commitment of Gas Reserves
and Article IX-Price and Payment as the result of a price renegotiation that is
effective on January 1st, 1992.

                                      AGREEMENT

    In consideration of the representations and promises stated in this Letter
Agreement, Buyer and Seller agree to amend the Contract effective January 1,
1992 as follows:

1.  ARTICLE II. COMMITMENT OF GAS RESERVES

Delete Article II and replace it with the following:

    ARTICLE II. COMMITMENT OF GAS RESERVES

    With respect to all of the gas purchased, produced or otherwise obtained by
    Seller from the lands specified and described on Schedule A, Buyer shall
    have the right to all such gas except as follows:

         In each month of the contract period, Seller shall have the right to
         sell gas it produces, in excess of that required by Buyer, to third
         parties on an interruptible basis. Nothing herein shall limit Buyer
         from its right to purchase the total production of Seller at any time.
         Furthermore, in months when Seller makes such third party sales,
         Buyer's volumes for the month shall be considered the first volumes
         through the meter, on a daily basis.

<PAGE>

2.  ARTICLE IX. PRICE AND PAYMENT

Delete Section 1 and replace it with the following:

    SECTION 1:

    The price to be paid by Buyer to Seller for gas delivered to Buyer at the
    delivery points shall be one dollar and ninety cents ($1.90) per mcf with
    no escalation. No adjustment to this price will be made to provide for
    reimbursement of production-related taxes or any other costs.



Signed this 29th day of April, 1992.

Agreed to and accepted by:

Northland Royalty Operating Company         Great Falls Gas Company

By: /s/ W.F. Sheehan, III                   By: /s/ Larry D. Geske
    ----------------------------                 ---------------------------
Title: Secretary                            Title: President
      -------------------------                    ------------------------


<PAGE>

 
                         Northland Royalty Operating Company
[GRAPHIC]                       3030 4th Avenue North
                               Billings, Montana 59101
                                    (406) 259-5400
                                  Fax(406) 259-7345

March 14, 1996

Lynn F. Hardin
Assistant Vice President
Great Falls Gas Company
Energy West, Incorporated
P.O. Box 2229
Great Falls, MT 59403-2229

    RE: Cascade Gas Contract Price Negotiations

Dear Mr. Hardin,

    Please find enclosed an executed original of your gas price offer to
Northland Royalty Operating Company on the Cascade gas System Contract.

    Since we have been unable to arrive at a mutually acceptable and beneficial
"Pre-Buy" purchase and development program, Northland has no other alternative
at this time with Great Falls Gas Company than to execute the enclosed offer and
return it to you.

    Northland will be willing to meet with Great Falls Gas Company at a
mutually convenient time to have what we believe could be a jointly profitable
and beneficial contract for the sale of summertime gas and for delivering a
larger quantity of gas in the winter peak months.


                                       Yours Truly,

                                       Northland Royalty Operating Company

                                       /s/ W. F Sheehan, III
                                       W. F. Sheehan, III


<PAGE>
[LETTERHEAD]

                                       December 7, 1995

Mr. William Sheehan III
Northland Royalty Operating Company
3030 4th Ave. N.
Billings, MT 59101
                                       Re: Requested Price Renegotiation
Dear Mr. Sheehan:

Great Falls Gas Company, agrees that arbitration in determining a price for your
Cascade gas would be costly and should be unnecessary. I have little doubt that
such arbitration would result in a two year price of $1.60. This is the price
that we have contracted for with other suppliers on MPC's system. Please
consider the following proposal.

1. For Jan, Feb, Mar, Nov & Dec of 1996 and 1997, $1.80/MMBtu.

2. For Apr through Oct of 1996 and 1997, the monthly Aeco Storage Hub Index
(US/MMBtu) plus transport to Carway (currently $.09 US/MMBtu) plus a premium of
$.05/MMBtu, but not less than $1.40/MMBtu.

3. Prior to each of these months (Apr-Oct), if seller has a higher offer from
another buyer, Great Falls Gas will have the option to match the offer or to
release the deliverability for that month. Any released deliverability will
apply to the ACQ. Seller would have the option to shut-in for any of these
months.

At 1029 Btu/cf, $1.80/MMBtu is the same as $1.85/Mcf @ 14.9#.

The above should guarantee seller a floor average price of over $1.60/MMBtu with
the ability to improve that average price by taking advantage of stronger market
conditions as they develop.

If the above meets with your approval, please indicate so by your signature
below, return an original to us and keep one for your records.

                                       Very truly yours,

                                       /s/ Lynn F. Hardin
                                       Lynn F. Hardin
                                       Assistant Vice President

Agreed to this 14th day of March, 1996
Northland Royalty Operating Company

By: /s/ W. F. Sheehan III
    -------------------------------


<PAGE>

[LETTERHEAD]

April 15, 1996

Mr. W.F. Sheehan III
Northland Royalty Company
3030 4th Avenue North
Billings, Montana 59101

Dear Mr. Sheehan,

This letter is intended to resolve the arbitration of the contract between
Northland Royalty Company and Great Falls Gas Company held by Great Falls Gas
Company by assignment from Montana Power Company. If the contents of this letter
adequately reflect your understanding of our settlement please sign both copies
of this letter and return one for our records. This settlement is intended to
supersede and replace any of the conditions and terms of the contract which was
entered into between Northland Royalty Company (NRC) and Montana Power Company
(MPC) and which has subsequently been assigned to Great Falls Gas Company, a
division of ENERGY WEST Incorporated (GFG). That contract will be referred to
throughout this agreement as the "Contract". The terms of that contract will
continue in full force and effect except when a provision of this agreement is
inconsistent with the terms of the Contract. In that event the terms of this
agreement are intended to prevail as the binding agreement of the parties.

1. GFG will prepay for gas in the amount of $500,000 upon final execution by
both parties of the settlement agreement. The $500,000 has been placed in escrow
at Norwest Investment Management & Trust Company (Norwest). NRC may receive
disbursement of the funds so placed according to the following instruction which
GFG agrees to include in it's escrow agreement with Norwest:

    Upon execution of this agreement, NRC will receive a disbursement of
    $250,000. After copies of paid invoices are presented that exceed $250,000
    in aggregate, the remaining escrow balance will be available for the
    funding of expenditures directly related to increasing the deliverability
    of natural gas from the fields identifiecl in the Contract between NRC and
    GFG. Norwest is hereby instructed to disburse to NRC amounts corresponding
    to expenditures which have been submitted to and approved by GFG which
    approval shall not be unreasonably denied.

2. The DCQ under Article IV Section I will be reduced to 50% of the daily
contract quantity available for delivery by NRC, but will increase to 62.5%
should the outstanding prepayment

<PAGE>

balance be extinguished by NRC. Quantities of gas available for delivery but not
taken by GFG are hereby released to NRC for resale to third parties.

3. The price paid for gas delivered would be the monthly AECO Storage Hub Index
(US/MMBtu) plus transport to Carway (currently $.09 US/MMBtu) plus a premium of
$.05 per MMBtu, but not less than $1.40/MMBtu for the months of April through
September and $1.80 per MMBtu for the months of October through March. This
pricing provision will be in effect from January 1, 1996 until January 1, 1998
or until such time as any outstanding prepayment has been extinguished whichever
occurs latest in time.

4. GFG would pay NRC for 60% of the delivered gas at prices established in
paragraph 3, above, 40% of the gas taken each year will be credited against the
prepayment. Payments will be apportioned each month between the gas credited
against prepayment and the gas paid in cash until such time as the prepayment
amount is extinguished when the entire amount shall be paid in cash. NRC may
elect from time to time to make cash payments to GFG to be applied against the
prepayment balance.

5. GFG would have the option to prepay for additional gas each six months of the
contact beginning six months from the date of the first prepayment. GFG will
notify NRC within 30 days of the six month anniversary of its desire to prepay.
If GFG prepays, its prepayment will be limited to an amount equal to $1.60
multiplied by 50% of the gas taken by GFG during the previous six months. GFG
may elect to make such prepayments (which would be paid pursuant to the pricing
provisions of #4 above) until such time as the Contract expires. At the
expiration of the Contract, GFG would be entitled to an amount of gas equivalent
to the amount of prepayment balance divided by $1.60. If in any six month period
GFG does not elect to prepay, either party will have the option to continue
according to the provisions of this agreement or to notify the other party of
its intention to renegotiate the contract terms pursuant to provisions of
Article IX of the Contract. However, such notice must be received by the other
party by July 1 of ANY calendar year. When notice is so given the parties agree
that the effective date of the price renegotiated pursuant to such notice shall
be January 1 of the year following the giving of such notice.

This agreement is subject to satisfactory review by GFG of appropriate financial
statements of NRC.

Agreed to this 17th day of April, 1996.

Great Falls Gas Company                Northland Royalty Company

By: /s/ [ILLEGIBLE]                    By: /s/ W.F. Sheehan III
   -----------------------                -------------------------


<PAGE>

[LETTERHEAD]

April 15, 1996

Mr. William F. Sheehan III
Northland Royalty Company
3030 4th Avenue North
Billings, Mt. 59101

Dear Mr. Sheehan,

This letter when signed by you is intended to constitute an agreement between
Northland Royalty Company (NRC) and Energy West Resources, Incorporated.

1. NRC agrees to sell 100% of its released output from its contract with Great
Falls Gas Company (GFG) to Energy West Resources (EWR). EWR agrees to purchase
100% of such gas at a price 10% under the monthly Aeco Storage Hub Index
(US/MMBtu) plus transport to Carway (currently $.09 US/MMBtu) index at Empress
as published in the Canadian Gas Price Reporter.

2. Northland will produce its fields at full capability, (which is interpreted
to mean 90% of the ACQ, as that term is defined in the contract between Great
Falls Gas Company and NRC for the term of this agreement. This is intended to
mean that NRC will shut in its wells only for required maintenance and not for
economic considerations. Further, NRC will conduct its scheduled maintenance in
the months of June, July or August to allow for the utilization of the gas when
it will be in greatest demand by EWR customers.

3. The term of this agreement is effective on the date of NRC's settlement
agreement with GFG and will continue for the term of that settlement agreement.

Agreed to this 17th day of April, 1996

Energy West Resources, Incorporated    Northland Royalty Company

By: /s/ [ILLEGIBLE]                    By: /s/ W.F. Sheehan III
   -----------------------                -------------------------


<PAGE>

                         Northland Royalty Operating Company
[GRAPHIC]                       3030 4th Avenue North
                               Billings, Montana 59101
                                    (406) 259-5400
                                  Fax(406) 259-7345


Energy West Incorporated
No.1 First Avenue South
P.O. Box 2229
Great Falls, MT 59403-2229
Attention: Mr. Lynn Hardin, Assistant Vice President
Fax: 406-791-7560

February 18, 1997

Dear Mr. Hardin,

Pursuant to Gas Contract Between Great Falls Gas and the Northland Royalty
Operating Company (MPC #93) we hereby request that future payment for gas sold
under this contract be made to the Northland Royalty Company rather than
Northland Royalty Operating Company. A recent change in our accounting
procedure requires us to make this change.

Thank you for your assistance and if you have any questions concerning this
request please contact me in our Billings offfice.


                                       Sincerely,
                                       /s/ Peter C. Sheehan
                                       Peter C. Sheehan
                                       Northland Royalty Operating Company


<PAGE>

                             [LETTERHEAD]

                                    April 1, 1997

VIA FEDERAL EXPRESS: 8830183283

Energy West Resources
No. 1 First Avenue South
P.O. Box 2229
Great Falls, MT 59403-2229
ATTN: Jim Morin

RE: Northland Royalty Company and Northland Royalty Operating Company; KeyBank
    of Wyoming

Dear Mr. Morin

    This firm represents KeyBank of Wyoming (the "Bank") with respect to loans
which it has made to Northland Royalty Company and Northland Royalty Operating
Company ("Northland"). Pursuant to the enclosed Mortgage, Assignment of
Proceeds, Security Agreement and Financing Statement ("Mortgage") between the
Bank and Northland, the Bank is the assignee of the production and proceeds from
the properties encumbered by the Mortgage which are therefore the property of
the Bank. In addition, pursuant to the enclosed Notice of Assignment ("Notice"),
Northland has directed any purchaser of oil or gas pertaining to the lands or
contracts described in the Notice to pay all proceeds attributable to the
interests of Northland to the Bank. Please note that the lands and contracts set
forth in the Notice correlate with the lands and contracts set forth in each
respective Exhibit A to the Mortgage.

    The purpose of this letter is to place you on notice of the Bank's claim of
first priority to payment of proceeds attributable to the interests of Northland
arising from the purchase and sale of oil or gas attributable to the lands or
contracts described in the Mortgage and/or the Notice and located in the
following counties within the State of Montana:

5.  Glacier; and

6.  Toole.


<PAGE>
Energy West Resources
Page two
April 1, 1997

         Please make payment directly to the following address:

              KeyBank of Wyoming
              1800 Carey Avenue
              P.O. Box 924
              Cheyenne, WY 82001
              ATTN: Cathy Ford, Assistant Vice-President
                    Special Assets Department

    If for whatever reason funds are placed in suspense and not paid directly
to the Bank as set forth above, please contact the undersigned directly.

                                       Very truly yours,

                                       POULSON, ODELL & PETERSON, LLC

                                       /s/ William F. Leonard
                                       William F. Leonard
WFL/kak
Enclosures

xc: KeyBank of Wyoming
    ATTN: Cathy Ford
<PAGE>

                              NOTICE OF ASSIGNMENT

     NOTICE IS HEREBY GIVEN, that effective February 26, 1993, Northland Royalty
Company and Northland Royalty Operating Company have assigned to Key Bank of
Wyoming all right, title and interest in:

     A.   All proceeds of production from oil and gas wells located on the
following described lands:

          1.   Glacier County, Montana
               
               Township 36 North, Range 6 West, MPM
               
               Sections: 11, 13, 14, 22, 23, 24, 25, 26, 27, and 34.

          2.   Toole County, Montana

               Township 34 North, Range 2 West, MPM

               Sections: 4, 9, 10, 14, 15, 16, 17, 19, 20, 21, 22, 23, 26, 27,
                         28, 32, 33, 34, and 35.


               Township 33 North, Range 2 West, MPM

               Sections: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 17,
                         19, 20, 21, 22, 23, 26, 27, 28, and 30.

     B.   That certain Gathered Gas Purchase Contract, dated December 18, 
1979, MPC Contract No. 327, wherein originally Fourem Company is "Seller" and 
The Montana Power Company is "Buyer" and Northland Royalty Operating Company 
is now "Seller", together with all prior amendments, as well as all future 
renewals, modifications, amendments, substitutions or replacements thereof 
pertaining to the lands described above and those referenced in said contract.

     C.   That certain Delivered Gas Purchase Contract, dated February 23, 
1977, wherein originally Cascade Gas Co. is "Seller" and The Montana Power 
Company is "Buyer" and Northland Royalty Operating Company is now "Seller" 
and Great Falls Gas Company is now "Buyer", together will all prior 
amendments, as well as all future renewals, modifications, amendments, 
substitutions or replacements thereof pertaining to the lands described above 
and those referenced in said contract.

     IT IS HEREBY DIRECTED that all rights, benefits and privileges pertaining
to the above described items are hereby transferred to Key Bank of Wyoming and
any purchaser of oil or gas pertaining to the lands or contracts described above
is to pay all proceeds attributable to the interests of Northland Royalty
Company or Northland Royalty Operating Company to:

                              Key Bank of Wyoming
                              Attention: Cary E. Brus
                              1130 Sheridan Avenue
                              Cody, Wyoming 82414

<PAGE>

until further notice from Key Bank of Wyoming.

     DATED this 26th day of February, 1993.

                                        NORTHLAND ROYALTY COMPANY

                                        By  /s/ W. F. Sheehan, Jr.
                                            ---------------------------
                                        Name:  William F. Sheehan, Jr.
                                               -------------------------
                                        Title: President
                                               --------------------------


                                        NORTHLAND ROYALTY OPERATING COMPANY

                                        By  /s/ W. F. Sheehan, Jr.
                                            ---------------------------
                                        Name:  William F. Sheehan, Jr.
                                               -------------------------
                                        Title: President
                                               --------------------------

                            CORPORATE ACKNOWLEDGMENT

STATE OF MONTANA           )
                           ) SS.
COUNTY OF YELLOWSTONE      )

     On this 26th day of February, 1993, before me Joseph R. Glennon, a 
notary public personally appeared William F. Sheehan, Jr. known to me to be 
the President of Northland Royalty Company and Northland Royalty Operating 
Company and acknowledged to me that he executed the within instrument on 
behalf of such corporations.

     Given under my hand and notarial seal this 26th day of February, 1993.

                                        /s/ Joseph R. Glennon
                                        --------------------------------------
                                        NOTARY PUBLIC

My Commission Expires:

    10-27-95
- --------------------------------

- -------------------------------------------------------------------------------

                                 ACKNOWLEDGMENT

     The undersigned hereby acknowledges receipt of a copy of the above and
foregoing Notice of Assignment and consents to the terms thereof.

          DATED this ______________ day of  __________________, 199__.


                                        Company Name
                                                     --------------------------

                                        By
                                           ------------------------------------
                                        Name
                                             ----------------------------------
                                        Title
                                              ---------------------------------


<PAGE>

                     NATURAL GAS SALE AND PURCHASE AGREEMENT


BETWEEN:



               SHELL CANADA LIMITED, A Canadian Corporation with 
               head office in Calgary, Alberta, Canada.
               (hereinafter referred to as "Seller")



                                       and



               GREAT FALLS GAS COMPANY, A Montana Corporation 
               with head offices in Great Falls, Montana USA
               (hereinafter referred to as "Buyer")

<PAGE>

                                      INDEX

     ARTICLE                                                               PAGE

         I     Interpretation. . . . . . . . . . . . . . . . . . . . . . . . 1

        II     Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . 4

       III     Delivery and Ownership. . . . . . . . . . . . . . . . . . . . 5

        IV     Gas Specifications and Measurement. . . . . . . . . . . . . . 5

         V     Contract Volumes. . . . . . . . . . . . . . . . . . . . . . . 6

        VI     Term and Price. . . . . . . . . . . . . . . . . . . . . . . . 8

       VII     Payment . . . . . . . . . . . . . . . . . . . . . . . . . . .12

      VIII     Force Majeure . . . . . . . . . . . . . . . . . . . . . . . .15

        IX     Covenants, Warranties and Indemnities by Seller . . . . . . .18

         X     Arbitration . . . . . . . . . . . . . . . . . . . . . . . . .19

        XI     Default and Remedies. . . . . . . . . . . . . . . . . . . . .21

        XI     General Provisions. . . . . . . . . . . . . . . . . . . . . .22

<PAGE>

                     NATURAL GAS SALE AND PURCHASE AGREEMENT

This Agreement dated the 20th day of July, 1992 is made between:


               SHELL CANADA LIMITED, A Canadian Corporation with 
               head office in Calgary, Alberta, Canada. 
               (hereinafter referred to as "Seller")

                                       and

               GREAT FALLS GAS COMPANY, A Montana Corporation 
               with head offices in Great Falls, Montana USA 
               (hereinafter referred to as "Buyer")

WHEREAS, Seller has available for sale certain supplies of natural gas, and
Seller desires to sell and deliver to Buyer such natural gas supplies in the
quantities and under the terms and conditions hereinafter provided; and

WHEREAS, Buyer and it's subsidiaries desire to receive and purchase such 
natural gas in the quantities and under the terms and conditions hereinafter 
provided;

NOW THEREFORE, in consideration of the premises and mutual covenants and
agreements herein set forth, Seller and Buyer contract and agree as follows:

                           ARTICLE I - INTERPRETATION

1.01    DEFINITIONS

As used in this Agreement:

(a)     "ANNUAL CONTRACT QUANTITY" OR "ACQ" means the volume obtained when
        multiplying the number of Days in the Contract Year by the Maximum 
        Daily Quantity in effect for that Contract Year;

(b)     "BUSINESS DAY" means all calendar days excluding:

         (i)      Saturdays and Sundays;

         (ii)     All statutory holidays under the laws of Alberta, Montana,
                  Canada or the United States of America; and,
<PAGE>

                                      - 2 -

        (iii)     All calendar days on which the head office of Seller or Buyer
                  is not open for business, provided however that all such
                  calendar days during each calendar year shall be identified 
                  by notice from Seller to Buyer and vice versa on or before
                  February 15 of the calendar year in question;

(c)     "BRITISH THERMAL UNIT" OR "BTU" means the amount of heat required to
        raise the temperature of one (1) pound of water from fifty-nine degrees
        Fahrenheit (59 DEG F) to sixty degrees Fahrenheit (60 DEG F) at a
        constant pressure of fourteen and seventy-three hundredths pounds per
        square inch absolute (14.73) psia). Total BTU's shall be determined by
        multiplying the total volume of Gas delivered times the Gas Heating
        Value expressed in BTU's per cubic foot of Gas adjusted on a dry basis;

(d)     "MAXIMUM DAILY QUANTITY" or "MDQ" means the specified volume of Gas
        which Buyer contracts to purchase each Day under this Agreement as set
        out in section 5.02 herein, or as otherwise provided in this Agreement;

(e)     "DAY" means a period of 24 consecutive hours, beginning and ending at
        0800 hours MST;

(f)     "DELIVERY POINT" has the meaning as set forth in section 3.01; 

(g)     "INTERRUPTIBLE DAILY QUANTITY" or "IDQ" means the specified volume of
        Gas which Buyer may purchase on an interruptible basis, as set forth in
        section 5.06;

(h)     "Mcf" means the quantity of Gas occupying a volume of one thousand
        (1,000) cubic feet at a temperature of sixty degrees Fahrenheit (60 DEG
        F) and at a pressure of fourteen and seventy-three hundredths pounds 
        per square inch absolute (14.73 psia);

(i)     "MONTH" means a period beginning at 0800 hours MST on the first Day of 
        a calendar month and ending 0800 hours MST on the first Day of the next
        succeeding calendar month;

(j)     "GAS" means natural gas and or residue gas comprised primarily of
        methane;

(k)     "NOVA" means Nova Corporation of Alberta or any successor thereof;

(1)     "PARTY" means a party to this Agreement;

(m)     "YEAR" or "CONTRACT YEAR" means a period of 12 consecutive months
        commencing on November 1, 1992 and on each subsequent anniversary
        thereof;

<PAGE>

                                      - 3 -


(n)     "HEATING VALUE" means the quantity of heat, measured in Btu, produced 
        by combustion in air of one (1) cubic foot of anhydrous Gas at a
        temperature of sixty degrees Fahrenheit (60 DEG F) and a constant
        pressure of fourteen and seventy-three hundredths pounds per square 
        inch absolute (14.73 psia), the air being at the same temperature and
        pressure as the Gas, after the products of combustion are cooled to the
        initial temperature of the Gas and air, and after condensation of the
        water formed by combustion;

(o)     "CANADIAN REGULATORY AUTHORITIES" means the federal, provincial or 
        local governmental agencies or other authorities in Canada, which have
        jurisdiction over the sale, export or transportation of Gas or other
        matters in question, including, without limitation, the National Energy
        Board of Canada ("NEB"), the Energy Resources Conservation Board of
        Alberta ("ERCB"), the Alberta Petroleum Marketing Commission ("APMC"),
        and the federal and provincial Governors-in-Council; and,

(p)     "U.S. REGULATORY AUTHORITIES" means the federal, state or local
        government agencies or other authorities in the United States of 
        America which have jurisdiction over the sale, import, transportation 
        of Gas or other matters in question, including, without limitation, 
        the Office of Fossil Fuels of the United States Department of Energy 
        ("OFE"), the Federal Energy Regulatory Commission ("FERC") and the 
        Montana Department of Public Service Regulation ("PSR").

1.02    CUSTOM

In this Agreement, words, phrases or expressions which are not defined 
herein, and which, in the usage or custom of the business of the exploration, 
production, transportation, distribution or sale of Gas, have an accepted 
meaning, shall have that meaning.

1.03    SCHEDULES

Any and all schedules appended hereto shall constitute part of, and be 
incorporated into this Agreement.

1.04    CURRENCY

All conversions from Canadian currency to currency of the United States or 
vice-versa, shall be done by the parties using the average Bank of Canada 
posted noon spot exchange rates for the conversion of Canadian funds into 
United States funds or vice-versa, as quoted for the calendar month in which 
the transaction occurred.

<PAGE>

                                      - 4 -


                             ARTICLE II - CONDITIONS

2.01    CONDITIONS PRECEDENT

This Agreement is subject to the satisfaction of the following conditions 
precedent on terms and conditions satisfactory to the Party, acting 
reasonably, entering into or obtaining same:

(a)     Seller entering into firm, non-interruptible transportation agreements
        with NOVA and Seller and NOVA obtaining all necessary certificates,
        permits, licenses and authorizations from Canadian Regulatory
        Authorities for the transactions contemplated by this Agreement,
        including without limitation, the sale and removal of the Maximum Daily
        Quantity from Alberta, the export of the Maximum Daily Quantity from
        Canada and the firm, non-interruptible transportation of the Maximum
        Daily Quantity in Canada from Seller's facilities through the 
        facilities of NOVA;

(b)     Buyer entering into firm, non-interruptible transportation agreements
        with Montana Power Company and Buyer and Montana Power Company 
        obtaining all necessary certificates, permits licenses and 
        authorizations from U.S. Regulatory Authorities for the transactions 
        contemplated by this Agreement for the full term of this Agreement, 
        including without limitation, the purchase and importation of the 
        Maximum Daily Quantity from Canada and for the firm, non-interruptible 
        transportation of the Maximum Daily Quantity in the United States 
        through the facilities of Montana Power Company.

2.02    FULFILLING CONDITIONS

(a)     If by October 15, 1992, any condition precedent referred to in section
        2.01 has not been satisfied, or with respect to subsection 2.01(a)
        waived by written notice provided by Seller or with respect to
        subsection 2.01(b) waived by written notice provided by Buyer then
        either Party may thereafter, at any time, provide written notice to the
        other Party of its election to terminate this Agreement and unless such
        conditions precedent are so satisfied or waived within ninety (90) Days
        after the receipt of such notice, this Agreement shall thereupon
        terminate.

(b)     Both Buyer and Seller shall act with due diligence and exercise all
        reasonable efforts to fulfill all such conditions precedent.

(c)     Buyer and Seller shall notify each other forthwith in writing upon the
        conditions precedent in section 2.01 having been met.

(d)     Seller and Buyer shall cooperate with each other so as to assist each
        other in fulfilling the conditions precedent set forth in section 2.01
        in order that the delivery of Gas hereunder may commence on a timely
        basis.

<PAGE>

                                      - 5 -


                      ARTICLE III - DELIVERY AND OWNERSHIP

3.01    DELIVERY POINT

The Delivery Point for all Gas delivered hereunder shall be that point on the
Canada/United States of America border at the interconnection of the pipeline
systems of NOVA and Montana Power Company near Carway, Alberta.

3.02    TITLE AND POSSESSION

Property in and title to the Gas and all risk of loss respecting all Gas
delivered hereunder shall pass from Seller to Buyer and shall vest in Buyer at
the Delivery Point. As between Seller and Buyer, until delivery of the Gas at
the Delivery Point, Seller shall be deemed to be in control and possession of
the Gas and shall be responsible for all costs, losses, damages, injuries to
persons or property or liabilities arising from or out of Seller's title,
possession, custody or control of Gas hereunder prior to title to the Gas
passing to Buyer at the Delivery Point. As between Seller and Buyer, after
delivery of the Gas at the Delivery Point, Buyer shall be deemed to be in
control and possession of the Gas and shall be responsible for all costs,
losses, damages, injuries to persons or property or liabilities arising from or
out of Buyer's title, possession, custody or control of Gas hereunder after
title to the Gas passes to Buyer at the Delivery Point.

3.03    ROYALTIES AND TAXES

Seller shall pay or cause to be paid and shall be solely responsible for all
royalties, overriding royalties and payments out of production, together with
all applicable federal, provincial, municipal and local taxes, levies or
surcharges imposed by authorities that are applicable on Gas delivered 
hereunder before title to such Gas passes to Buyer at the Delivery Point. 
Buyer shall be solely responsible for the above enumerated payments, taxes, 
levies or surcharges that are applicable on Gas delivered hereunder when and 
after title to such Gas passes to Buyer at the Delivery Point.

                  ARTICLE IV - GAS SPECIFICATIONS & MEASUREMENT

4.01    GAS SPECIFICATIONS

Buyer and Seller each agree that Gas delivered hereunder will be in a 
commingled stream and shall be at the pressure and meet or exceed the minimum 
quality specifications required by NOVA and Montana Power Company.

<PAGE>

                                      - 6 -


4.02    MEASUREMENT

It is understood and agreed that neither Buyer nor Seller owns or operates 
measuring and testing equipment at the Delivery Point. Therefore, all Gas 
delivered to Buyer hereunder shall be measured at the Delivery Point as to 
volume and Heating value by Montana Power Company, in accordance with its 
filed and approved tariffs and standard Industry practice. All such 
measurements made (including all correction thereof) shall be final and 
binding upon Seller and Buyer as to the Gas delivered under this Agreement. 
Seller or Buyer may at their sole cost, risk and expense witness such 
measuring and the testing of measuring equipment if they so desire.

                          ARTICLE V - CONTRACT VOLUMES

5.01    SUPPLY COMMITMENT

Subject to Article VIII, Force Majeure, Seller has, or shall have and shall 
maintain at all times throughout the term of this Agreement, sufficient Gas 
reserves and deliverability with respect to the delivery of Gas to the 
Delivery Point, so as to enable Seller to meet its obligations hereunder.

5.02    MAXIMUM DAILY QUANTITY

The Maximum Daily Quantity shall be equal to 5,000 MMBtu/day (140 
10(3)m(3)/d). On each Day during the term of this Agreement, Buyer may 
nominate its Gas requirement and Seller shall be obligated to deliver the 
amount so nominated by Buyer up to the MDQ.

5.03    CATEGORIES OF GAS

The quantities of Gas to be purchased by Buyer hereunder shall consist of 
Tier I Gas and Tier II Gas which shall bear different prices as set forth in 
Article VI below.

5.04    TIER I GAS

Commencing with each Contract Year, Buyer will purchase the initial 
sixty-five percent (65%) of the ACQ ("Tier I Gas") at the then applicable 
price for Tier I Gas, as set forth in section 6.02 herein. If and when the 
Tier I Gas is taken by Buyer, the remainder of gas taken by Buyer in that 
Contract Year will be Tier II Gas.

5.05    TIER II GAS

Commencing with the completion of the Tier I Gas Volume (defined as the 
product of the MDQ and the number of Days in the Contract Year multiplied by 
0.65), all Gas taken thereafter by Buyer in that Contract Year will be Tier 
II Gas.

<PAGE>

                                      - 7 -


5.06    INTERRUPTIBLE DAILY QUANTITY ("IDQ")

On any Day Buyer may request, over and above the MDQ, up to an additional 
5,000 MMBtu/day (140 10(3)m(3)/d) and subject to agreement upon price, Seller 
shall endeavor, on an interruptible basis, to supply the difference between 
the IDQ and the MDQ. The price for the volume of gas that is the difference 
between the IDQ and the MDQ shall be established on a monthly basis by 
negotiation between Buyer and Seller.

5.07    GAS TAKE LEVELS

If, during any Contract Year, Buyer does not purchase at least eighty percent 
(80%) of the then applicable ACQ, a "Shortfall Year" will exist. The 
difference between eighty percent (80%) of the then applicable ACQ and the 
amount actually taken by the Buyer will be the "Shortfall Amount". Within 
ninety (90) Days of the commencement of the Contract Year following the end 
of the Shortfall Year (the "Make-up Year"), Seller may elect to provide 
notice to Buyer stating the Shortfall Amount and the proportionate reduction 
in the ACQ and MDQ that will be in effect at the commencement of the Contract 
Year following the Make-up Year. Subject to the limitation created by the MDQ 
and ACQ applicable during the Make-up Year, buyer may elect to avoid all or 
part of this reduction by first purchasing eighty percent (80%) of the 
applicable ACQ in the Make-up Year and then purchasing all or a portion of 
the Shortfall Amount prior to the end of the Make-up Year. The Commodity 
Charge for the Shortfall Amount will be the applicable rate (depending upon 
whether the Shortfall Amount being purchased represents Tier I Gas or Tier II 
Gas) in effect during the Make-up Year.

The ACQ and MDQ in the Contract Year following the Make-up Year will be 
proportionately reduced by the remaining Shortfall Amount, unpurchased, if 
any, at the end of the Make-up Year.

5.08    NOMINATIONS

Buyer or Buyer's nominee shall nominate to Seller or Seller's nominee, by 
written telecommunication each and every Day by 1200 hours MST, Buyer's daily 
requirements for Gas for the following Day. Failure to so nominate to Seller 
shall cause continuation of the last received nomination.

5.09    FAILURE TO TAKE NOMINATION

In the event that Buyer nominates quantities and Seller delivers such 
quantities into the NOVA pipeline system and Buyer is unable or unwilling for 
whatever reason to take delivery of such quantities at the Delivery Point, 
then Buyer shall pay the price calculated on a per MMBtu on a 100% Load 
Factor basis for such volumes so nominated and delivered to NOVA, including 
the actual associated transportation and inventory penalty incurred by Seller 
for such quantities of Gas, provided that Seller makes reasonable efforts to 
mitigate such transportation penalties.

<PAGE>

                                      - 8 -


5.10    FAILURE TO DELIVER

If Seller is unable to meet Buyer's nomination, Seller shall promptly notify 
Buyer of Seller's inability to deliver Gas, whether or not such inability 
covers all or part of Buyer's nomination. Seller shall use its reasonable 
efforts to obtain and supply from other sources the volumes of Gas that 
Seller is obligated but unable to deliver to Buyer at the Delivery Point 
("Replacement Gas"). Seller shall endeavor to arrange for delivery of 
Replacement Gas, to the Delivery Point on the same Day at a price which shall 
not exceed the delivered cost to Buyer of Gas that Seller was obligated to 
deliver in accordance with Buyer's nomination ("Buyer's Cost of Gas"). 
Notwithstanding the foregoing, if Seller is unable to deliver Replacement Gas 
hereunder, Buyer may purchase Replacement Gas and Seller shall reimburse 
Buyer for any unabsorbed demand charges incurred on the Montana Power Company 
system and the price of Replacement Gas, in excess of the price hereunder, 
that Buyer is required to pay to any other producer or local distribution 
company as a result of Seller's failure to deliver Gas nominated by Buyer, 
adjusted for transportation, if applicable. Buyer shall make reasonable 
efforts to mitigate the cost of Replacement Gas. Seller's sole liability and 
Buyer's sole remedy with respect to Seller's failure to supply Gas shall be 
limited to such cost of Replacement Gas. In no event shall Seller, it's 
directors, trustees, agents, officers or employees be liable to Buyer, it's 
directors, trustees, agents, officers or employees for any incidental, 
special, indirect or consequential damages of any nature including without 
limitation any claims of customers of Buyer, connected with or resulting from 
Seller's failure to supply Gas under this Agreement.

                           ARTICLE VI - TERM AND PRICE

6.01    TERM

(a)     Subject to the satisfaction or waiver of the conditions precedent set
        forth in section 2.01, deliveries of Gas under this Agreement shall
        commence on November 1, 1992 ("Commencement Date") and shall except as
        otherwise specifically provided for herein continue for a term of
        fifteen (15) Contract Years after November 1, 1992.

(b)     The Term of the Agreement shall consist of three (3) segments of five
        (5) Contract Year periods as follows:

             Segment 1      November 1, 1992 - October 31, 1997; 
             Segment 2      November 1, 1997 - October 31, 2002; 
             Segment 3      November 1, 2002 - October 31, 2007.

(c)     Unless either Party gives notice to the other Party at least
        twenty-seven (27) Months prior to the end of Segment 1 specifying its
        intention to terminate this Agreement at the end of Segment 1 the term
        shall continue into Segment 2.

<PAGE>

                                      - 9 -


(d)     Anytime on or after August 1, 1995, either Party may give notice to the
        other Party of at least twenty-seven (27) Months to terminate this
        Agreement prior to the end of the Term.

6.02    PRICE

The Price to be paid by Buyer to Seller for Gas purchased and sold and the
service provided hereunder for the period of time commencing with the
Commencement Date will consist of the sum of the four (4) components identified
hereunder. The Price will be in U.S. dollars.

(a)     Each Month, Buyer shall pay Seller a "Demand Charge" equal to Seller's
        actual cost for that Month of reserving the firm transportation 
        required to transport the MDQ on NOVA to the Delivery Point.

(b)     Each Month, Buyer shall pay Seller a "Reservation Charge" equal to the
        product of the MDQ times the number of days in the Month times the
        Reservation Charge. The Reservation Charge for the first two years of
        this Agreement shall be $0.06 U.S./MMBtu.

(c)     Each Month, Buyer shall pay Seller for each MMBtu of Tier I Gas
        delivered and received at the Delivery Point, a "Commodity Charge" 
        equal to a per MMBtu price fixed for at least one year by agreement of
        the Parties in advance. The Commodity Charge for Tier I Gas for the 
        first two Years of this Agreement shall be $1.31 U.S./MMBtu on a dry 
        basis.

(d)     Commencing with the completion of Tier I Gas purchases in each Contract
        Year, the Commodity Charge for Tier II Gas will be negotiated and 
        agreed to by the Parties prior to the end of each previous Month. The 
        Parties will take into consideration the prepaid Demand Charge when 
        arriving at the Commodity Charge for the following month.  Failing 
        agreement by the Parties, the Commodity Charge for the applicable Month
        will equal the price published by NATURAL GAS WEEK in their Canadian 
        Price Report Section, under the Empress Border - Contract Subsection. 
        In the event that such price is no longer published or such publication
        is no longer published then, failing agreement by the parties, the 
        Commodity Charge or a method of determining it shall be determined by 
        arbitration pursuant to Article X hereof. The prepaid Demand Charge 
        will be subtracted from the published price to arrive at the Commodity 
        Charge. Each Month Buyer shall pay Seller for each MMBtu of Tier II Gas
        delivered and received at the Delivery Point, the above applicable
        Commodity Charge.

If Buyer elects not to take gas during a Tier II Gas Month, Seller will be 
allowed to sell that gas on an interruptible basis to third party purchasers.

The Demand Charge and the Reservation Charge shall be paid each Month 
regardless of the quantity of Gas purchased and sold hereunder, except to the 
extent that Seller fails to deliver Gas nominated.

<PAGE>

                                     - 10 -


6.03    FUTURE PRICE DETERMINATION

(a)     The Parties agree that they will meet from time to time to negotiate 
        the Tier I Commodity Charge and Reservation Charge components of the 
        Price payable hereunder for subsequent Contract Years. In any such
        negotiations or resulting arbitration with respect to Price during the
        Term of this Agreement only the Tier I Commodity Charge and Reservation
        Charge components of the Price shall be redetermined and the Demand
        Charge component of the Price shall not be subject to redetermination.

(b)     Subject to 6.03 (a) The Parties agree, to establish a new Price for the
        next Contract Year at least one hundred and twenty (120) Days prior to
        the termination date of the current Contract Year and the Parties will
        commence procedures for such redetermination no later than one hundred
        and eighty (180) Days prior to the termination date of the current
        Contract Year by either Party giving fifteen (15) Days written notice 
        to the other, to meet and negotiate. Such Price, and the various 
        components making up that Price, will be effective for a period of 
        time, as then agreed to, and will become effective on the commencement 
        of the next Contract Year. If neither Party has given written notice 
        to the other to renegotiate at least one hundred and eighty (180) Days 
        prior to the termination date of the current Contract Year, then the 
        Price for the current Contract Year shall continue in effect for the 
        next Contract Year.

6.04    FAILURE TO REACH AGREEMENT ON PRICE

In the event that the Parties are unable to reach agreement on the Price, or 
the Price components at least one hundred and twenty (120) Days prior to the 
termination date of the current Contract Year, as provided pursuant to 
section 6.03 herein, either Party may, upon not less than fifteen (15) days 
written notice to the other Party, have the Price determined pursuant to the 
Arbitration provisions contained in Article X herein and exclusively in 
accordance with the principles set forth in section 6.05 herein. Should no 
notice for Arbitration be given at least ninety (90) days prior to the 
termination date of the current Contract Year, the Price for the next 
Contract Year shall continue to be the Price in effect for the current 
Contract Year.

6.05    PRICING PRINCIPLES

For each Contract Year subsequent to the Contract Year for which the Price of 
Gas to be sold and purchased hereunder has been established and specified, 
the Parties agree to determine Price by negotiation or by arbitration. If the 
Price for Gas delivered in any Contract Year is to be determined by 
arbitration, the arbitrators shall determine a Price that, under the 
prevailing market circumstances for long term firm Gas Supply and in the 
opinion of the arbitrators, is fair and reasonable to both Buyer and Seller. 
In making such determination, the arbitrators shall limit

<PAGE>

                                     - 11 -


their consideration to the evidence which is presented by the Parties, and to 
the extent that evidence is presented, shall base their determination upon 
and shall give due consideration to each of the following criteria:

        (i)  The weighted average cost of gas paid by Buyer during the next
             Contract Year for firm gas supplies with a term of two (2) years 
             or more;

       (ii)  The prices being paid during the next Contract Year for other firm
             gas supplies by local distribution companies with a term of two 
             (2) years or more in the state of Montana; and,

      (iii)  The prices being paid during the next Contract Year for other
             firm gas supplies by local distribution companies with a term
             of two (2) years or more in the province of Alberta;

provided that the arbitrators shall consider the above matters in light of the
following:

(a)     To the extent that evidence with respect to Prices for the next 
        Contract Year is not available or is insufficient, prices for the 
        current Contract Year will be considered;

(b)     The times at which the prices were agreed to between the respective
        buyers and sellers;

(c)     Differences in transportation costs relevant to establishing a point of
        comparison at the Delivery Point;

(d)     The similarities and dissimilarities between the service provided
        hereunder and the sales and transportation arrangements under which
        other gas is being sold for consumption in Buyer's market area and in
        Alberta, including in particular but not limited to the similarities 
        and dissimilarities between the quality of service and the security of
        supply provided hereunder and provided under such other arrangements;
        and,

(e)     Any other considerations in respect of which relevant evidence is
        adduced by the Parties and which is relevant to the determination of
        such matters.

In the event that a negotiated or arbitrated Price is determined for a 
Contract Year after commencement thereof, Seller shall retroactively adjust 
its invoices to Buyer to the first Day of that Contract Year, to take into 
account the revised Price. Until a new Price is concluded and retroactively 
implemented, the previous Price shall remain in effect. If the Price 
settlement date exceeds sixty (60) Days past the Contract Year commencement, 
the retroactive invoice shall be adjusted for interest at the prime rate 
pursuant to section 7.04.

<PAGE>

                                     - 12 -


6.06    REGULATORY INTERVENTION

If Canadian Regulatory Authorities or U.S. Regulatory Authorities take action 
by rule, order or other official means which materially and fundamentally 
alters the operation of this Article VI such that Gas cannot be sold and 
purchased hereunder at a market based price for long term firm Gas supply, 
then either Buyer or Seller may notify the other Party by the means 
identified in Article XII hereof of its intention to terminate this Agreement 
This Agreement shall then terminate in all respects one hundred and eighty 
(180) days after the provision of such notice unless within such one hundred 
and eighty (180) day period the regulatory action has been modified or 
revoked such that the operation of Article VI has been restored. The Parties 
shall use due diligence and exercise all reasonable efforts to oppose any 
regulatory action which might trigger the operation of this section 6.06.

                              ARTICLE VII - PAYMENT

7.01    MONTHLY BILLING

Once service or deliveries of Gas have commenced hereunder, Seller shall send 
by facsimile to Buyer on or before the fifteenth (15th) Day of each Month 
(the "Billing Month") with the original to follow by mail:

(a)     A statement for the preceding Month showing the daily and total amount
        of Gas delivered hereunder or, if such information is not available by
        that Day, an estimate of such daily and total amounts; and,

(b)     A bill in U.S. dollars with respect to the preceding Month together 
        with information sufficient to explain and support the amount billed.

7.02    PAYMENT DATE

Buyer shall pay Seller in U.S. dollars by direct electronic transfer to the 
account of Seller designated herein, within ten (10) Days of receipt of 
Seller's bill, the amount due to Seller with regard to Gas sold or reasonably 
estimated to have been sold hereunder and service provided in the preceding 
Month in accordance with the provisions of this Agreement as follows:

        The Chase Manhattan Bank, N.Y.
        Fedwire #0210-0002-1
        Account: 001-1-146305
        Bank of Montreal, Montreal
        For Transfer to: Calgary Main Office
        For Credit Account: 00109-4604-211

<PAGE>

                                     - 13 -


In addition, Buyer shall send a copy of payment record by facsimile to 
Seller. In the event that the tenth (10th) Day after receipt of Seller's bill 
is not a Business Day, then Buyer shall pay Seller as aforesaid on or before 
the Business Day immediately before such tenth (10th) Day. If Seller's bill 
for any Month is based on an estimate of the Gas sold in the previous Month, 
then the Parties shall make all necessary adjustments in the Month following 
the billing Month to reflect the actual volumes of Gas Sold.

7.03    EXAMINATION OF RECORDS

Subject to the confidentiality provisions of this Agreement, Seller and Buyer 
shall have the right, at any reasonable time and from time to time during the 
term of this Agreement, to examine the books, records and accounts of the 
other to the extent reasonably necessary to verify the accuracy of any 
statement, billing, computation or procedure made under or pursuant to the 
provisions of this Agreement.

7.04    REMEDIES FOR NON-PAYMENT

(a)     Should Buyer fail to pay all of the amount of the bill as herein
        provided when such amount is due, then commencing on the date such
        payment is due, late payment charges shall accrue daily on the unpaid
        part of such bill and be paid at a rate of interest per annum which is
        equal to the prime rate charged from time to time by The Chase 
        Manhattan Bank of New York for loans to commercial borrowers, plus 1% 
        compounded monthly until paid. All such late payment charges shall be 
        payable on demand by Buyer to Seller. If either principal or late 
        payment interest charges are due, any payments thereafter received 
        shall first be applied to late payment charges due, then to the 
        previously outstanding principal due and lastly, to the most current 
        principal due.

(b)     In the event of any such failure to pay, Seller may, in addition to any
        other remedies that it may have under the terms of this Agreement, upon
        10 Days written notice via facsimile and courier to Buyer, suspend
        further delivery of Gas hereunder until such amount is paid. During the
        period of any such suspension, Buyer shall continue to be liable to
        Seller for the amounts set forth in section 6.02 with respect to the
        Reservation Charge and Demand Charge attributable to such suspended
        deliveries and such suspended deliveries shall not be considered to be 
        a failure by Seller to deliver gas under section 5.10

(c)     Notwithstanding the foregoing, if Buyer shall in good faith dispute the
        amount of any such bill or any part thereof, if Buyer shall pay to
        Seller such amounts as it concedes to be correct and if Buyer at any
        time within ten (10) Days after a demand made upon it by Seller for a
        letter of credit with respect to the amount in dispute shall furnish
        security by way of a letter of credit in a form reasonably satisfactory
        to Seller assuring payment to Seller of the amount ultimately found to
        be due to Seller upon such bill by agreement or

<PAGE>

                                     - 14 -


        by a decision of a court of competent jurisdiction, as the case may be,
        then Seller shall not be entitled to suspend further delivery of Gas
        hereunder as a result of any such nonpayment unless and until a default
        occurs in relation to the conditions of any such letter of credit or 
        any renewal thereof. If it is determined that Buyer owes Seller the 
        disputed amount, Buyer shall pay Seller the disputed amount within five
        (5) Days of the determination thereof.

(d)     Notwithstanding the provisions of subsection 7.04 (b), if Buyer does 
        not in good faith dispute the payment of the amount of any such bill 
        or any part thereof not paid, Seller, in addition to any other remedies
        that it may have under the terms of this Agreement, at law or in 
        equity, may on written notice of at least thirty (30) Days, elect to 
        terminate this Agreement. Such notice may only be given after the 
        suspension of Gas deliveries referred to in subsection 7.04 (b) has 
        commenced.

7.05    ADJUSTMENTS

Subject to the provisions of section 7.02, if it shall be found that at any 
time Buyer has been overcharged by Seller in relation to this Agreement and 
Buyer shall have actually paid the bills containing such overcharge, then 
within thirty (30) Days after the final determination thereof, Seller shall 
refund the amount of any such overcharge and if such overcharge was the 
result of Seller's error, then interest shall be paid by Seller on the amount 
in question on the same basis as interest is charged under the provisions of 
section 7.04 from the date the overcharge was paid to the date Buyer is 
reimbursed for the overcharge. If any such overcharge is not a result of an 
error on the part of Seller, then no interest shall be charged to Seller. 
Similarly, if it shall be found that at any time Buyer has been undercharged 
under the provisions of this Agreement, then within thirty (30) Days after 
the final determination thereof, Buyer shall pay the amount undercharged. No 
interest shall be payable by Buyer on the amount of any undercharge unless 
Buyer shall fail to pay the amount thereof within such thirty (30) Day 
period, in which event interest shall be calculated and payable thereon on 
the same basis as is described in section 7.04 from the first Day after such 
thirty (30) Day period to the date of payment of the undercharge by Buyer.

7.06    EXTENSION OF TIME FOR PAYMENT WHEN BILL DELAYED

If presentation of the bill to Buyer is delayed after the fifteenth (15th) 
Day of the billing Month, then the time of payment shall be extended 
accordingly unless Buyer is responsible for such delay.

7.07    DISPUTES

Notwithstanding anything herein contained to the contrary, neither Party 
hereto shall be entitled to dispute the volume of Gas delivered, or the 
amount paid or payable with respect thereto, unless such dispute is raised by 
notice to the other Party within two years after the end of the Month in 
question.

<PAGE>

                                     - 15 -


7.08    CREDIT APPROVAL

Upon Seller's request at any time prior to commencement of Gas deliveries or 
during the Term of this Agreement, Buyer shall provide Seller with evidence 
satisfactory to Seller of Buyer's ability to perform its financial 
obligations under this Agreement. If Seller is not so satisfied, Seller may, 
acting reasonably, having provided Buyer written notice of suspension in 
accordance with section 7.04(b), suspend deliveries of Gas hereunder. During 
the period of any such suspension, Buyer shall continue to be liable to 
Seller for the amounts set forth in section 6.02 with respect to the 
Reservation Charge and Demand Charge attributable to such suspended 
deliveries and such suspended deliveries shall not be considered to be a 
failure by Seller to deliver Gas under section 5.10. Deliveries shall 
recommence upon Buyer providing to Seller an irrevocable stand-by letter of 
credit from a banking institution which is satisfactory to Seller. The letter 
of credit shall be a dollar amount reasonably specified by Seller which will 
cover the full Price for two (2) Months worth of Gas purchases at the MDQ or 
such other assurance as is acceptable to Seller. The letter of credit shall 
provide that it will be automatically renewed every twelve (12) Months unless 
notice of the issuer's intent to cancel the letter of credit as of any 
anniversary date of the issuance thereof is received by Seller no later than 
sixty (60) Days prior to such proposed expiration date.

                          ARTICLE VIII - FORCE MAJEURE

8.01    SUSPENSION

Subject to section 8.03 hereof, to the extent that either Party to this 
Agreement fails to observe or perform any of the covenants or obligations 
herein imposed upon it and such failure shall have been solely caused by 
Force Majeure, then such failure shall be deemed not to be a breach of such 
covenants or obligations and such covenants and obligations to the extent 
affected by such Force Majeure shall be suspended during the continuance of 
the event of Force Majeure.

8.02    FORCE MAJEURE

(a)     For the purposes of this Agreement, the term "Force Majeure" shall mean
        any acts of God, lightning, earthquakes, storms, strikes, lockouts or
        other industrial disturbances, acts of the Queen's or country's 
        enemies, sabotage, wars, blockades, insurrections, riots, epidemics, 
        landslides, floods, fires, washouts, arrests and restraints of 
        governments and people, civil disturbances, explosions, breakages of or
        accidents to machinery or lines of pipe, interruptions in 
        transportation service on any of the pipeline facilities required for 
        delivery of Gas not reasonably within the control of Seller or Buyer, 
        the orders of any court or government authority, agency or tribunal, or
        any other extraordinary cause, whether of the kind herein enumerated or
        otherwise, not within the reasonable control of the Party claiming 
        suspension and which, by the exercise of due diligence, such Party 
        could not have prevented or is unable to overcome.


<PAGE>

                                     - 16 -


(b)     For the purposes of this Agreement, the term "Force Majeure" shall also
        mean any action not caused by and beyond the reasonable control of
        either Party hereto which results in the interruption of deliveries or
        which prevents totally or partially the exportation of Gas from Canada
        by Seller or the importation of Gas into the U.S. by Buyer, or its
        transportation by NOVA or Montana Power Company, provided however, that
        where the exportation, importation or transportation is only partially
        prevented by the action, the parties' obligations hereunder shall be
        suspended only to the extent prevented by such action.

8.03    NO RELIEF

(a)     Neither Party shall be entitled to the benefit of the provisions of
        section 8.01 under any of the following circumstances:

        (i)       to the extent that the failure was caused by the negligence 
                  or contributory negligence of the Party claiming suspension;

        (ii)      to the extent that the failure was caused by the Party
                  claiming suspension having not made reasonable efforts to
                  remedy the condition and remove the cause or circumstances of
                  Force Majeure in an adequate manner, or having failed to
                  resume with all reasonable dispatch the performance of such
                  covenants or obligations;

        (iii)     if the event of Force Majeure was caused by lack of finances
                  or was related to the payment of any amount or amounts due
                  hereunder;

        (iv)      to the extent that the failure was caused by the 
                  insufficiency of Seller's Gas supply as opposed to an event 
                  of the nature described in section 8.02;

        (v)       to the extent that the failure was caused by the failure of
                  Buyer or Buyer's market to require Gas;

        (vi)      unless as soon as reasonably possible after the happening of
                  the occurrence relied upon, or as soon as possible after
                  determining that the occurrence was in the nature of Force
                  Majeure and would affect the claiming Party's ability to
                  observe or perform any of its covenants or obligations under
                  this Agreement, the Party claiming suspension shall have 
                  given to the other Party hereto notice to the effect that by 
                  reason of Force Majeure (the nature whereof shall be therein
                  specified) the claiming Party is unable to perform the
                  particular covenants or obligations.

(b)     (i)       Buyer's obligation to pay the Demand Charge and Reservation
                  Charge as set forth in section 6.02, shall be suspended in 
                  the event and to the extent that a claim of Force Majeure by
                  Seller hereunder reduces the quantity of Gas delivered

<PAGE>


                                     - 17 -


                  hereunder by Seller, however, in the event of a claim of 
                  Force Majeure by Buyer hereunder, Buyer's Demand Charge and
                  Reservation Charge payment obligation shall not be suspended
                  but shall remain its responsibility and obligation provided
                  that it shall be reduced to the extent of any reduction in 
                  the actual demand charges paid by Seller.

        (ii)      In the event of a claim of Force Majeure hereunder by Seller,
                  Seller shall not be liable for Replacement Gas costs or
                  unabsorbed demand charges as described in section 5.10,
                  provided however, that Seller will use reasonable efforts to
                  locate replacement natural gas supplies for the quantity of
                  Gas not delivered hereunder as a result of Seller's Force
                  Majeure, which replacement natural gas, upon and subject to
                  the negotiation and agreement between Seller and Buyer as to
                  the terms and conditions of the sale thereof from Seller to
                  Buyer, shall be sold and delivered by Seller and purchased by
                  Buyer.

        (iii)     In the event of and during a claim of Force Majeure hereunder
                  by Seller, Buyer shall have the right to locate an 
                  alternative supply of gas and direct Seller to use on Buyer's 
                  behalf Seller's firm NOVA transportation covered by this 
                  Agreement to move such gas, to the extent of any reduction in
                  the quantity of Gas and/or replacement natural gas pursuant 
                  to subsection 8.03(b)(ii), delivered by Seller under this 
                  Agreement, which reduction results from Seller's Force 
                  Majeure. Notwithstanding subsection 8.03(b)(i) hereof, to the
                  extent that Seller uses any such NOVA transportation on 
                  Buyer's behalf, Buyer shall pay the Demand Charge relating 
                  thereto.

8.04    END OF SUSPENSION

The party claiming suspension by reason of Force Majeure shall give notice to 
the other Party, as soon as possible after the event of Force Majeure shall 
have been remedied, to the effect that the same has been remedied and that 
such Party has resumed, or is then in a position to resume, the performance 
of the suspended covenants or obligations under this Agreement.

8.05    STRIKES OR LOCKOUTS

Notwithstanding anything to the contrary in this Article VIII expressed or 
implied, the settlement of strikes, lockouts and other industrial 
disturbances shall be entirely within the discretion of the Party involved 
therein and such Party may make settlement thereof at such time and on such 
terms and conditions as it may deem to be advisable and no delay in making 
such settlement shall deprive such Party of the benefit of section 8.01.

<PAGE>

                                     - 18 -


8.06    LIMITATION ON SUSPENSION OF OBLIGATIONS

If at any time during the Term hereof, either Buyer or Seller (the "Party 
Claiming Force Majeure") has claimed Force Majeure and (i) such Force Majeure 
remains in effect for at least one hundred and eighty (180) consecutive Days 
or (ii) such Force Majeure remains in effect for at least thirty (30) 
consecutive Days during which time such Party fails to deliver or take at 
least 10% of the Maximum Daily Quantity as a daily average over such thirty 
(30) day period, then so long as the Force Majeure event is still continuing, 
the other party hereto may by notice to the Party Claiming Force Majeure, 
terminate this Agreement effective as of the date of such notice. The Party 
Claiming Force Majeure shall not manipulate its performance under this 
Agreement in order to avoid the application of this section 8.06.

      ARTICLE IX - COVENANTS, WARRANTIES AND INDEMNITIES BY SELLER

9.01    WARRANTIES

With respect to the Gas sold hereunder, Seller hereby covenants, warrants and 
represents to Buyer that:

        (i)       Seller shall at the Delivery Point have good right or title 
                  to all Gas delivered hereunder, free and clear of all liens 
                  and adverse claims whatsoever, except those being contested 
                  in good faith by Seller, and,

        (ii)      Seller shall at the Delivery Point have the right to sell the
                  Gas delivered or tendered for delivery hereunder.

9.02    INDEMNITY

Seller shall indemnify Buyer and hereby agrees to save Buyer harmless from 
and in respect of all suits, actions, debts, accounts, damages, costs, losses 
and expenses of every nature and kind whatsoever arising from or in 
connection with any adverse claims of any or all persons to the Gas or to 
royalties, taxes, license fees or charges thereon, which are applicable 
before the title to the Gas passes to Buyer at the Delivery Point. In the 
event that any such adverse claim is prosecuted against Buyer in respect of 
any of the Gas as aforesaid, Buyer may retain the Price thereof up to the 
amount of such claim, until such claim has been finally determined, as 
security for the performance of Seller's obligations hereunder with respect 
to such claim or until Seller shall have furnished a surety bond or other 
form of security satisfactory to Buyer in connection with the subject claim. 
Buyer shall invest any amount withheld from Seller at any short term rate of 
interest available to the Buyer, acting reasonably, until the amount withheld 
is released to the Seller, at which time all interest earned thereon shall be 
paid to Seller.

<PAGE>

                                     - 19 -


9.03 PAYMENTS BY SELLER

Seller shall at all times pay all fees, rentals and royalties due and 
payments due to all mineral and all royalty owners and all amounts due under 
all documents, as may appear of record or otherwise to be binding upon 
Seller, and shall pay all other persons having any interests in the Gas sold 
and delivered hereunder, which interests arise prior to the Delivery Point.

                             ARTICLE X - ARBITRATION

10.01   PRICING DISPUTES

All disputes arising out of or in connection with the determination of the 
Price for Gas sold hereunder shall be referred to and finally resolved in a 
manner which shall be final and binding on the Parties hereto, by an 
arbitration pursuant to the principles outlined herein and subject to the 
criteria set forth in section 6.05 and pursuant to the International 
Commercial Arbitration Act, of the Province of Alberta, except to the extent 
that the provisions of such Act are contrary to the principles outlined 
herein.

10.02   APPOINTMENT OF ARBITRATORS

The Party hereto initiating the arbitration (the "Initiating Party") shall in 
its written notice of request to arbitrate, which notice shall be sent to the 
other Party hereto (the "Receiving Party"), name one arbitrator. Within 
twenty-one (21) Days after receipt of such notice, the Receiving Party shall 
serve notice on the Initiating Party, which notice shall contain the name of 
a second arbitrator.

10.03   ARBITRATION BOARD

If the Receiving Party fails to name a second arbitrator, then the Initiating 
Party's arbitrator shall function as a single arbitrator. In the event that 
both Parties appoint their own arbitrator, the two arbitrators so appointed 
shall name a third arbitrator, or, if they fail to do so within ten (10) Days 
of the second arbitrator's appointment, the Parties hereto shall promptly 
meet and attempt to agree upon and appoint such third arbitrator. If the 
parties hereto are unable to agree within ten (10) Days on the choice of the 
third arbitrator, then, on the request of either Party hereto, the third 
arbitrator shall be appointed by the consulting firm of Stone & Webster 
Engineering Corporation. If for any reason the third arbitrator is not 
appointed by the Consulting Firm or otherwise agreed upon by the Parties or 
the two arbitrators within thirty (30) Days of the second arbitrator's 
appointment then on the request of either Party hereto the third arbitrator 
shall be appointed by any Justice of the Court of Queen's Bench of Alberta.

<PAGE>

                                     - 20 -

10.04   QUALIFICATIONS OF ARBITRATORS

The single arbitrator (the "Arbitrator") or the three arbitrators (the 
"Board") appointed hereunder shall be qualified by education or experience to 
decide the particular pricing matters in dispute, and shall not be employees 
or agents of either Party hereto or any of their affiliates.

10.05   PROCEDURE

The Arbitrator or the Board shall proceed immediately to hear and determine 
the pricing question or questions in dispute. The decision of the Arbitrator 
shall be made within forty-five (45) Days after his or her appointment, 
subject to any reasonable delay due to unforeseen circumstances. The decision 
of the Board, or the majority thereof, shall be made within forty-five (45) 
Days after the appointment of the third arbitrator, subject to any reasonable 
delay due to unforeseen circumstances. Notwithstanding the foregoing, in the 
event the Arbitrator fails to make a decision within sixty (60) Days after 
his or her appointment or if the Board, or the majority thereof, fails to 
make a decision within sixty (60) Days after the appointment of the third 
arbitrator then either Party may elect to have a new Arbitrator or Board 
chosen in like manner as if none had previously been selected.

10.06   BINDING DECISION

The decision of the Arbitrator or the decision of the Board, or the majority 
thereof, shall be drawn up in writing and signed by the Arbitrator or by the 
Board members, or the majority thereof, and shall adopt the last position put 
forward in writing by Seller or Buyer in the negotiations preceding the 
request for arbitration and shall be final and binding upon the Parties 
hereto as to any pricing question or questions so submitted to arbitration, 
and the Parties shall be bound by such decision and perform the terms and 
conditions thereof.

10.07   COMPENSATION OF ARBITRATORS

Each Party shall pay the compensation and expenses of the Arbitrator 
appointed by that Party and the compensation and expenses of the third 
Arbitrator (unless otherwise determined by the Arbitrator or the Board) shall 
be paid in equal proportions by Buyer and Seller.

10.08   PLACE OF ARBITRATION

The place of arbitration shall be determined by the Arbitrator or the Board.

10.09   PRICING CRITERIA

Notwithstanding anything to the contrary contained in this Agreement, in any 
pricing arbitration the Arbitrator or the Board, as the case may be, shall 
use the criteria contained in section 6.05 in making a determination of the 
Price along with such other criteria, if any, as may then be agreed upon by 
Seller and Buyer and submitted to the Arbitrator or the Board.

<PAGE>


                                     - 21 -

10.10   OPERATIONS CONTINUED

Whenever there is an arbitration proceeding, operations under this Agreement 
shall continue in the same fashion as they were conducted before the 
arbitration proceeding was commenced, without prejudice to either Party, 
pending a decision in the arbitration proceeding.

                        ARTICLE XI - DEFAULT AND REMEDIES

11.01   EVENT OF DEFAULT

An Event of Default under this Agreement shall be deemed to exist upon the 
occurrence of any one or more of the following events:

(a)     Failure by either Party to make payment of any amounts due to the other
        Party under this Agreement, and that failure continues for a period of
        thirty (30) days after written notice of non-payment; or

(b)     Failure by either Party to perform fully any other material provision 
        of this Agreement, and (i) such failure continues for a period of 
        thirty (30) days after written notice of such non-performance from the 
        other Party is received, or (ii) if within such thirty (30) day period 
        the non-performing Party commences and proceeds with due diligence to 
        cure the failure and the failure is not cured within ninety (90) days 
        after written notice of nonperformance from the other Party is received
        or such longer period of time agreed to by the Parties in writing as 
        being necessary for the Party to cure the failure with all due 
        diligence; or

(c)     If by order of a court of competent jurisdiction, a receiver or
        liquidator or trustee of either Party or of all or any of the property
        of either Party shall be appointed, and such receiver or liquidator or
        trustee shall not have been discharged within a period of sixty (60)
        days after its appointment; or if by decree of such a court, either
        Party shall be adjudicated bankrupt or insolvent or any substantial 
        part of the property of such Party shall have been sequestered, or such
        decree shall have continued undischarged and unstayed for a period of
        sixty (60) days after the entry thereof; or if a petition to declare
        bankruptcy or to reorganize Buyer or Seller pursuant to any of the
        provisions of any Canadian or United States federal, provincial or 
        state bankruptcy law shall be filed against such Party and shall not be
        dismissed within sixty (60) days after such filing; or

(d)     If either Party shall file a voluntary petition in bankruptcy under any
        provision of any Canadian or United States federal, provincial or state
        bankruptcy law or shall consent to the filing of any bankruptcy or
        reorganization petition against it under any similar law; or if either
        Party shall make an assignment for the benefit of its creditors; or if
        either Party


<PAGE>

                                     - 22 -

        shall admit in writing its inability to pay its debts generally as they
        become due; or if either Party shall consent to the appointment of a 
        receiver or receivers, or trustee or trustees, or liquidator or 
        liquidators of it or of all or of any part of its property.

11.02   TERMINATION

Upon the occurrence and during the continuance of an Event of Default, the 
Party not in default shall have the right to terminate this Agreement upon 
ten (10) days' written notice to the defaulting Party.

                        ARTICLE XII - GENERAL PROVISIONS

12.01   NOTICES

Any notice, request, consent, direction, demand, waiver of condition, invoice 
or other instrument required or permitted to be given under the provisions of 
this Agreement shall be in writing. Written communications as aforesaid may 
be given by delivering same in person or by prepaid courier or sending same 
by facsimile, in each case addressed as follows:

        TO BUYER:      GREAT FALLS GAS COMPANY

        (i)            General     P.O. Box 2229
                                   Great Falls, Montana 59403 or,
                                   #1 First Avenue South
                                   Great Falls, Montana 59401
                       Attention:  Director, Gas Supply
                                   and Industrial Marketing
                       Facsimile:  (406) 791-7560
                       Telephone:  (406) 791-7504

        (ii)           Nominations GREAT FALLS GAS COMPANY

                                   P.O. Box 2229
                                   Great Falls, Montana 59403
                       Attention:  Director, Gas Supply and Industrial 
                                   Marketing
                       Facsimile:  (406) 791-7560
                       Telephone:  (406) 791-7504

        (iii)          Billings    GREAT FALLS GAS COMPANY

                                   P.O. Box 2229
                                   Great Falls, Montana 59403
                       Attention:  Director, Accounting
                       Facsimile:  (406) 791-7560
                       Telephone:  (406) 791-5206


<PAGE>

                                     - 23 -

TO SELLER:             SHELL CANADA LIMITED

        (i)            General     Natural Gas Business Centre
                                   400 - 4th Avenue S.W.
                                   Calgary, Alberta
                                   T2P 0J4
                       Attention:  Manager, Direct Marketing
                       Facsimile:  (403) 269-7818
                       Telephone:  (403) 691-3189
        (ii)           Billings    400 - 4th Avenue S.W.
                                   Calgary, Alberta
                                   T2P 0J4
                       Attention:  Supervisor, Natural Gas Accounting
                       Facsimile:  (403) 269-7818
                       Telephone:  (403) 691-4069

        (iii)          Nominations 400 - 4th Avenue S.W.
                                         Calgary, Alberta
                                         T2P 0J4
                       Attention:  Operations Analyst
                       Facsimile:  (403) 269-7818
                       Telephone:  (403) 691 -3044 or (403) 691-3878

Any written communication as aforesaid, if delivered in person or SENT BY 
facsimile, shall be deemed to have been given or made on the Business Day on 
which it was received as aforesaid, and, if delivered by prepaid courier, 
shall be deemed to have been given or made on the second Business Day 
following the Day on which it is so received. Any Party may give written 
notice of change of address in the same manner, in which event any written 
communication as aforesaid shall thereafter be given to it as above provided 
at such changed address.

12.02   FURTHER ASSURANCES

Each Party shall from time to time and at all times hereafter upon reasonable 
written request so to do, make, do, execute and deliver, or cause to be made, 
done, executed and delivered all such further acts, deeds, assurances and 
things as may be reasonably required for more effectually implementing and 
carrying out the true intent and meaning of this Agreement.

12.03   MORTGAGES

Notwithstanding anything to the contrary contained in this Agreement, either 
Party shall have the right to mortgage, pledge, hypothecate or otherwise 
encumber its interest in and to this Agreement as security for its 
indebtedness to any other person.

<PAGE>

                                     - 24 -

12.04   WAIVERS

Either Party hereto in its sole discretion may waive, without thereby 
prejudicing such Party's right to rely on any other conditions inserted 
herein for such Party's sole benefit, a breach or default of any covenant or 
condition inserted herein for the benefit or protection of such Party. No 
such waiver, however, shall operate as a waiver of any future breach or 
default, whether of a like or different character.

12.05   INTERPRETATIONS

In the event that Buyer or Seller are in disagreement as to the 
interpretation to be placed on any term, condition, covenant or agreement 
contained in this Agreement or the performance or satisfaction thereof by any 
such Party, or any such Party asserts that the other Party has committed a 
breach of this Agreement, Buyer or Seller, as the case may be, may give 
written notice of such disagreement or asserted breach to the other such 
Party. If Buyer and Seller are unable to settle the controversy or claim 
within (thirty) 30 Days of the delivery of such notice, the Parties may then 
agree to submit with all reasonable dispatch, such disagreement or asserted 
breach to a competent court of law for determination.

12.06   APPLICABLE LAWS

This Agreement for all purposes shall be construed in accordance with and 
governed by the laws of the Province of Alberta. The Courts of the Province 
of Alberta shall have exclusive jurisdiction in relation to any legal 
proceedings arising in connection with this Agreement. The Parties hereby 
expressly and exclusively submit to the jurisdiction of the courts of the 
said Province.

The Parties agree to share equally all travel and hotel expenses incurred in 
connection with disputes raised under this Agreement.

12.07   INVALIDITY OF PROVISIONS

The intention of the Parties to this Agreement is to comply fully with all 
applicable laws, and this Agreement shall be construed consistently with such 
laws to the extent possible. If and to the extent that any court of competent 
jurisdiction determines it is impossible to construe any provision of this 
Agreement consistently with any applicable law and consequently holds that 
provision to be invalid, such holding shall in no way affect the validity of 
the other provisions of this Agreement, which shall remain in full force and 
effect.

<PAGE>

                                     - 25 -

12.08   FULL UNDERSTANDING

The terms of this Agreement represent the full understanding between the 
Parties and replaces all other contracts, agreements or representations 
whether written or oral. No amendments to this Agreement shall be made or be 
binding on either Party unless made in writing and signed by each Party.

12.09   GENDER AND NUMBER REFERENCES

Whenever the singular, masculine or neuter is used in this Agreement the same 
shall be construed as being the plural or feminine or body corporate or vice 
versa where the context or reference so require.

12.10   CONFIDENTIALITY

All data, documents and information of a confidential nature concerning the 
business or assets of either Party to this Agreement which is made available 
or disclosed to either other Party hereto pursuant to the terms of this 
Agreement (the "Confidential Information"), shall be kept and maintained on a 
confidential basis by the Party hereto which is the recipient thereof. Each 
Party hereto shall implement such measures and shall take such precautions as 
may be reasonably necessary to endeavor to ensure the confidentiality of all 
Confidential Information. Notwithstanding the foregoing, either Party hereto 
may, without consultation with or notice to the other Party hereto, from time 
to time disclose Confidential Information to any court, government, 
governmental agency, regulatory body or quasijudicial agency ("Regulatory 
Agency") at any time and from time to time and may thereby cause the 
Confidential Information to become public if and to the extent that may be 
required by any Regulatory Agency or the rules, regulations, procedures, 
requirements or practices of any Regulatory Agency.

12.11   REQUESTS FOR CONSENT

Whenever a request is made hereunder by one Party hereto to the other for a 
consent, approval or authorization, such request shall be deemed to have been 
refused or declined if it is not granted in writing within thirty (30) Days 
after the request is made.

12.12   SUCCESSORS AND ASSIGNMENT

This Agreement shall inure to the benefit of and be binding upon the 
successors and assigns of the Parties, but no assignment shall release either 
Party from such Party's obligations hereunder without the written consent of 
the other Party to such release, which consent shall not be unreasonably 
withheld.

<PAGE>

                                     - 26 -


IN WITNESS WHEREOF the parties hereto have duly executed and delivered this 
Agreement as of the Day and year first above written.

SHELL CANADA LIMITED                    GREAT FALLS GAS COMPANY



Per: /s/ illegible                      Per: /s/ Larry D. Geske
    ------------------------                 ------------------------
                   92-07-29                                    8/6/92



Per:                                    Per:
    ------------------------                 ------------------------

<PAGE>

                                                                         [LOGO]

                                                                   [LETTERHEAD]


August 23, 1993


VIA COURIER



Mr. Lynn Hardin
Director, Gas Supply and Industrial Marketing
TransEnergy
#1 First Avenue South
Great Falls, Montana
59401


Dear Mr. Hardin

RE:     LETTER AGREEMENT FOR THE SHORT TERM AMENDMENT TO
        SECTION 6.02 OF ARTICLE VI OF
        THE NATURAL GAS SALE AND PURCHASE AGREEMENT
        BETWEEN SHELL CANADA LIMITED ("SHELL") AND
        GREAT FALLS GAS COMPANY ("GFG") DATED JULY 20, 1992
- --------------------------------------------------------------------------------

The parties do hereby agree to temporarily amend the referenced Agreement
pursuant to the following terms and conditions:

        1.   TERM

             The term of this Letter Agreement shall commence on November 1,
             1993 and continue until October 31, 1995.

        2.   DEMAND CHARGE (6.02 (a))

             The Demand Charge component of the Price, as defined in section
             6.02 of the referenced Agreement shall not change. The Demand
             Charge shall be paid each Month regardless of the quantity of Gas
             purchased and sold hereunder, except to the extent that Shell 
             fails to deliver Gas nominated.

        3.   RESERVATION CHARGE (6.02(b))

             The Reservation Charge component of the Price, as defined in
             section 6.02 of the referenced Agreement shall be deleted for the
             term of this Letter Agreement.


<PAGE>

Page 2                                                                   [LOGO]
August 23, 1993


        4.   PRICING ELECTION

             On or before September 15, 1993, GFG will have the option of
             choosing a fixed or variable pricing mechanism for each of the 
             four periods pursuant to the following paragraph 5 of this Letter
             Agreement.

        5.   COMMODITY CHARGE (6.02(c))

             The Commodity Charge component of the Price, as defined in section
             6.02 of the referenced Agreement shall be deleted for the term of
             this Letter Agreement and replaced with the following:

             (a)  For the time period commencing November 1, 1993, for the 
                  first 755,000 MMBtus of Gas delivered:

                  (i)  A fixed price of $2.10 US dollars per MMBtu, less the
                       Demand Charge on a US dollar per MMBtu basis; or

                  (ii) A rolling three Month "average" of the Canadian Gas 
                       Price Reporter mid month index of "Alberta Short-Term 
                       Spot Prices at the Alberta Border (Empress)" converted 
                       to US dollars per MMBtu plus $0.25 US dollar per MMBtu, 
                       less the Demand Charge on a US dollar per MMBtu basis.

             (b)  After the fulfillment of 5(a) hereof, for the balance of the
                  1993 Contract Year:

                  (i)  A fixed price of $ 1.75 US dollar per MMBtu, less the
                       Demand Charge on a US dollar per MMBtu basis; or

                  (ii) A rolling three Month "average" of the Canadian Gas 
                       Price Reporter mid month index of "Alberta Short-Term 
                       Spot Prices at the Alberta Border (Empress)" converted 
                       to US dollars per MMBtu, less the Demand Charge on a US 
                       dollar per MMBtu basis.

             (c)  For the time period commencing November 1, 1994, for the 
                  first 755,000 MMBtus of Gas delivered:

                  (i)  A fixed price of $2.20 US dollars per MMBtu less the
                       Demand Charge on a US dollar per MMBtu basis; or

                  (ii) A rolling three Month "average" of the Canadian Gas 
                       Price Reporter mid month index of "Alberta Short-Term 
                       Spot Prices at the Alberta Border (Empress)" converted 
                       to US dollars per MMBtu plus $0.25 US dollar per MMBtu, 
                       less the Demand Charge on a US dollar per MMBtu basis.


<PAGE>

Page 3                                                                   [LOGO]
August 23, 1993

             (d)  After the fulfillment of 5(c) hereof, for the balance of the
                  1994 Contract Year:

                  (i)  A fixed price of S1.85 US dollars per MMBtu, less the
                       Demand Charge on a US dollar per MMBtu basis; or

                  (ii) A rolling three Month "average" of the Canadian Gas 
                       Price Reporter mid month index of "Alberta Short-Term 
                       Spot Prices at the Alberta Border (Empress)" converted 
                       to US dollars per MMBtu, less the Demand Charge on a US 
                       dollar per MMBtu basis.

        6.   PRICING DATA

             Pursuant to paragraph 5 of the Letter Agreement, in the event that
             such pricing data is no longer published or such publication is no
             longer published then, failing agreement by the parties, the
             Commodity Charge or a method of determining it shall be determined
             by arbitration pursuant to Article X of the referenced Agreement.

        7.   OTHER TERMS AND CONDITIONS

             All other terms and conditions of the referenced Agreement shall
             remain in full force and effect.

        8.   REGULATORY APPROVALS

             This Letter Agreement is subject to all applicable American and
             Canadian federal, provincial and state regulatory approvals.

If you are in agreement with the foregoing, please indicate your acceptance in
the space provided below and return one copy of this Letter Agreement to our
office.

Yours truly,

/s/ S. MacCulloch
- ------------------------
S. D. (Sandy) MacCulloch
Coordinator, Market Development

GREAT FALLS GAS COMPANY

Accepted and Agreed to this      day of             , 1993
                            ----        ------------

Per: /s/ Larry D. Geske
     ------------------------------------------------

Title:  President
      -----------------------------------------------


<PAGE>

                               AMENDING AGREEMENT





BETWEEN:





                         SHELL CANADA LIMITED ("SELLER")





                                       AND






                        GREAT FALLS GAS COMPANY ("BUYER")


<PAGE>

                                      - 2 -


THIS AMENDING AGREEMENT is made effective as of November 1, 1994.

        WHEREAS, Seller and Buyer are parties to a Natural Gas Sale and 
Purchase Agreement dated July 20, 1992 (the "Contract"), as temporarily 
amended by a Letter Agreement dated August 23, 1993, (the "Letter Agreement") 
regarding the long term firm supply of Canadian natural Gas from Seller to 
Buyer, and

        WHEREAS, Seller and Buyer wish to further amend the Contract and 
Letter Agreement so as to provide for a different pricing mechanism under the 
Contract effective November 1, 1994.

        NOW THEREFORE, in consideration of the premises and the mutual 
covenants herein contained, Seller and Buyer agree as follows:

1.      All words and phases as used in this Amending Agreement shall have 
the same meaning as attributed to them in the Contract.

2.      The Letter Agreement is hereby amended so as to reduce the term 
thereof to a one (1) year period by deleting from Article 1 thereof the words 
"October 31, 1995" and replacing them with the words "November 1, 1994", and 
by deleting paragraphs 5(c) and 5(d) thereof.

3.      The Contract is amended by adding thereto the following definition; 
"Pricing Period" means that period of time as set forth in Schedule "A" 
hereto for which a Price has been agreed to or otherwise established, and 
which shall not be less than one (1) Contract Year.

4.      The Contract is amended by deleting in their entirety Sections 5.03, 
5.04 and 5.05, without changing the numbering of any other Sections of the 
Contract.

5.      The Contract is hereby amended by deleting from the second last line 
of paragraph 1 in Section 5.07 the words "(depending upon whether the 
Shortfall Amount being purchased represents Tier I Gas or Tier II Gas)".

6.      Article VI of the Contract is amended by deleting therefrom Sections 
6.02, 6.03, 6.04 and 6.05 in their entirety and replacing them with the 
following:

"6.02   PRICE

        The price to be paid by Buyer to Seller for Gas purchased and sold 
and the service provided hereunder for the period of time commencing with the 
Commencement Date will consist of the sum of the three (3) components 
identified hereunder. The Price will be in U.S. dollars.

(a)     Each Month, Buyer shall pay Seller a "Demand Charge" equal to 
        Seller's actual cost for that Month of reserving the firm 
        transportation required to transport the MDQ on NOVA to the Delivery 
        Point.

<PAGE>

                                      - 3 -


(b)     Each Month, Buyer shall pay Seller a "Reservation Charge" equal to the
        product of the MDQ times the number of days in the Month times the
        Reservation Charge. The Reservation Charge shall be as set forth from
        time to time in Schedule "A" hereto.

(c)     Each Month, Buyer shall pay Seller for each MMBtu of Gas delivered and
        received at the Delivery Point, a "Commodity Charge" equal to a per
        MMBtu price on a dry basis as set forth from time to time in Schedule
        "A" hereto.

        In the event the parties utilize index data in determining the 
        Commodity Charge component and such index data is no longer 
        ascertainable, for whatever reason, then, failing agreement between 
        Seller and Buyer on a new Commodity Charge within forty-five (45) days 
        of such event, the new Commodity Charge shall be determined by 
        arbitration pursuant to Article X hereof. Until a new Commodity Charge 
        has been determined the parties agree to use the last ascertainable 
        Commodity Charge. The new Commodity Charge shall be retroactive to the 
        date the index data became unascertainable and any necessary 
        adjustments shall be dealt with in accordance with Section 7.05 hereof.

If Buyer elects not to take Gas during any Month, Seller will be allowed to 
sell that gas on an interruptible basis to third party purchasers.

The Demand Charge and the Reservation Charge shall be paid each Month 
regardless of the quantity of Gas purchased and sold hereunder, except to the 
extent that Seller fails to deliver Gas nominated.

6.03    FUTURE PRICE DETERMINATION

(a)     The Parties agree that they will meet from time to time to
        negotiate the Commodity Charge and Reservation Charge components 
        of the Price payable hereunder for subsequent Pricing Periods.  
        In any such negotiations or resulting arbitration with respect to 
        Price during the Term of this Agreement only the Commodity Charge 
        and Reservation Charge components of the Price shall be 
        redetermined and the Demand Charge component of the Price shall 
        not be subject to redetermination.

(b)     Subject to 6.03 (a), the Parties agree to establish a new Price 
        for the next Pricing Period at least one hundred and twenty (120) 
        Days prior to the termination date of the current Pricing Period 
        and the Parties will commence procedures for such redetermination 
        no later than one hundred and eighty (180) Days prior to the 
        termination date of the current Pricing Period by either Party 
        giving fifteen (15) Days written notice to the other, to meet and 
        negotiate. Such Price, and the various components making up that 
        Price, will be effective for a period of time, as then agreed to, 
        and will become effective on the commencement of the next Pricing 
        Period. If neither Party has given written notice to the other to 
        renegotiate at least one hundred and eighty (180) Days prior to 
        the termination date of the current Pricing Period, then the LAST 
        Price in effect for the current Pricing Period shall continue in 
        effect for the next one year period which shall then become the 
        next Pricing Period.


<PAGE>

                                      - 4 -

6.04    FAILURE TO REACH AGREEMENT ON PRICE

        In the event that the Parties are unable to reach agreement on the 
Price, or the Price components at least one hundred and twenty (120) Days 
prior to the termination date of the current pricing period, as provided 
pursuant to section 6.03 herein, either Party may, upon not less than fifteen 
(15) days written notice to the other Party, have the Price determined 
pursuant to the Arbitration provisions contained in Article X herein and 
exclusively in accordance with the principles set forth in section 6.05 
herein. Should no notice for Arbitration be given at least ninety (90) days 
prior to the termination date of the current Pricing Period, the Price for 
the next one year period, which shall then become the next Pricing Period, 
shall continue to be the last Price in effect for the current Pricing Period.

6.05    PRICING PRINCIPLES

        For each Pricing Period subsequent to the Pricing Period for which 
the price of gas to be sold and purchased hereunder has been established and 
specified, the Parties agree to determine Price by negotiation or, if 
unsuccessful, by arbitration. If the Price for Gas delivered in any Pricing 
Period is to be determined by arbitration, the arbitrators shall determine a 
Price that, under the prevailing market circumstances for long term firm Gas 
Supply and in the opinion of the arbitrators, is fair and reasonable to both 
Buyer and Seller. In making such determination, the arbitrators shall limit 
their consideration to the evidence which is presented by the Parties, and to 
the extent that evidence is presented, shall base their determination upon 
and shall give due consideration to each of the following criteria:

        (i)       The weighted average cost of gas paid by Buyer during the 
                  next one year period for firm gas supplies with a term of two
                  (2) years or more;

        (ii)      The prices being paid during the next one year period for
                  other firm gas supplies by local distribution companies with 
                  a term of two (2) years or more in the state of Montana; and,

        (iii)     The prices being paid during the next one year period for
                  other firm gas supplies by local distribution companies with 
                  a term of two (2) years or more in the province of Alberta;

provided that the arbitrators shall consider the above matters in light of 
the following:

(a)     To the extent that evidence with respect to Prices for the next one 
        year period is not available or is insufficient, prices for the current
        Pricing Period will be considered;

(b)     The times at which the prices were agreed to between the respective
        buyers and sellers;

(c)     Differences in transportation costs relevant to establishing a point of
        comparison at the Delivery Point;

(d)     The similarities and dissimilarities between the service provided
        hereunder and the sales and transportation arrangements under which
        other gas is being sold for consumption in Buyer's market area and in
        Alberta, including in particular but not limited to the similarities 
        and


<PAGE>

                                      - 5 -

        dissimilarities between the quality of service and the security of
        supply provided hereunder and provided under such other arrangements;
        and,

(e)     Any other considerations in respect of which relevant evidence is
        adduced by the Parties and which is relevant to the determination of
        such matters.

        In the event that a negotiated or arbitrated Price is determined for 
a Pricing Period after commencement thereof, Seller shall retroactively 
adjust its invoices to Buyer to the first Day of that Pricing Period, to take 
into account the revised Price. Until a new Price is concluded and 
retroactively implemented, the previous Price shall remain in effect. If the 
Price settlement date exceeds sixty (60) Days past the Pricing Period 
commencement, the retroactive invoice shall be adjusted for interest at the 
prime rate pursuant to section 7.04."

7.      The Contract is hereby amended by incorporating Schedule "A" attached
hereto as Schedule "A" to the Contract.

8.      As amended by this Amending Agreement, the Contract is hereby 
ratified and confirmed and shall continue in full force and effect.

        IN WITNESS WHEREOF this Amending Agreement has been executed by the
parties hereto effective as of the day and year first above written.


SHELL CANADA LIMITED                    GREAT FALLS GAS COMPANY

Per: /s/ Eric Le Dain                   Per: /s/ Larry D. Geske
     --------------------------              --------------------------

Name: ERIC LE DAIN                      Name: LARRY D. GESKE
      -------------------------               -------------------------

Title: MANAGER MARKETING -              Title:  PRESIDENT & CEO
       ------------------------                ------------------------
       NE/MIDWEST U.S.


<PAGE>

                                   SCHEDULE A

SCHEDULE A INCORPORATED INTO AND FORMING A PART OF THAT NATURAL GAS SALE AND 
PURCHASE AGREEMENT BETWEEN SHELL CANADA LIMITED ("SELLER") AND GREAT FALLS 
GAS COMPANY ("BUYER") DATED THE 20TH DAY OF JULY, 1992 AS AMENDED FROM TIME 
TO TIME (THE "AGREEMENT")

All words and phrases used in this Schedule "A" shall have the same meaning 
as provided for in the Agreement.

PRICING PERIOD:        November 1, 1994 to November 1, 1996

RESERVATION CHARGE:    During this Pricing Period the Reservation Charge as
                       defined in Section 6.02 of the Agreement shall be set at
                       $0.00 US./MMBtu.

COMMODITY CHARGE:

During this Pricing Period, the Commodity Charge component of the Price, as 
defined in Section 6.02 of the Agreement shall be as follows:

1.      For the period November 1, 1994 to November 1, 1995:

        For 50% of the volume of Gas delivered each Month up to 50% of the MDQ,
        the Commodity Charge shall be $1.58 US/MMBtu on a dry basis at the
        Delivery Point, less the Demand Charge calculated on a US dollar per
        MMBtu basis at a 100% load factor.

        For 50% of the volume of Gas delivered each Month up to 50% of the MDQ,
        the Commodity Charge shall be the Average Alberta Border (Empress) Spot
        (one month) Firm (100% LF) price for such Month as reported in the
        Canadian Gas Price Reporter published by Canadian Enerdata Ltd. plus
        $0.25 US/MMBtu for the period November 1, 1994 to April 1, 1995; and
        plus $0.05 US/MMBtu for the period April 1, 1995 to November 1, 1995,
        less the Demand Charge calculated on a US dollar per MMBtu basis at a
        100% load factor.

2.      For the period November 1, 1995 to November 1, 1996;

        For 100% of the volume of Gas delivered each Month, up to the MDQ, the
        Commodity Charge shall be the Average Alberta Border (Empress) Spot 
        (one month) Firm (100% LF) price for such Month as reported in the 
        Canadian Gas Price Reporter published by Canadian Enerdata Ltd. plus 
        $0.05 US/MMBtu, less the Demand Charge calculated on a US dollar per 
        MMBtu basis at a 100% load factor.

Accepted and agreed to as of the 1st day of November, 1994.

SHELL CANADA LIMITED                    GREAT FALLS GAS COMPANY

Per: /s/ Eric Le Dain                   Per: /s/ Larry D. Geske
     ------------------------                ---------------------------

Name: ERIC LE DAIN                      Name: LARRY D. GESKE
      -----------------------                ---------------------------

Title: MANAGER MARKETING -              Title: PRESIDENT & CEO
       ----------------------                  --------------------------
       NE/MIDWEST U.S.


<PAGE>

                                SCHEDULE "A"

SCHEDULE A INCORPORATED INTO AND FORMING A PART OF THAT NATURAL GAS SALE AND 
PURCHASE AGREEMENT BETWEEN SHELL CANADA LIMITED ("SELLER") AND GREAT FALLS 
GAS COMPANY ("BUYER") DATED THE 20TH DAY OF JULY, 1992 AS AMENDED FROM TIME 
TO TIME (THE "AGREEMENT")

All words and phrases used in this Schedule "A" shall have the same meaning 
as provided for in the Agreement.

PRICING PERIOD:        November 1, 1996 to November 1, 1997

RESERVATION CHARGE:    During this Pricing Period, the Reservation Charge as
                       defined in Section 6.02 of the Agreement shall be set at
                       $0.00 US./MMBtu.

COMMODITY CHARGE:      During this Pricing Period, the Commodity Charge
                       component of the Price, as defined in Section 6.02 of 
                       the Agreement shall be as follows:

                       $1.19 US/MMBtu on a dry basis at the Delivery Point.

FURTHER AMENDMENTS:

During the above Pricing Period, in place of the provisions dealing with 
incurring a Shortfall Amount as set forth in Section 5.07 of the Agreement, 
if on any Day Buyer does not purchase one hundred percent (100%) of the then 
applicable MDQ, a Deficit will exist.  The difference between the MDQ and the 
amount actually taken by Buyer on any Day will be the Deficit for that Day.  
On a Monthly basis, in accordance with Article VII of the Agreement, Buyer 
shall pay Seller, at the Commodity Charge rate then in effect, for the 
Deficit incurred on each Day during the preceding Month, regardless of 
whether or not Buyer has been able to take, as hereinafter provided, the 
Deficit Gas after it has been incurred.  Buyer shall have the opportunity to 
nominate and take Deficit Gas on any Day after it has been incurred, provided 
however, that:

        (i)       Buyer shall first purchase 100% of the MDQ;

        (ii)      Seller's obligation to deliver Deficit Gas shall only be on 
                  an interruptible basis;

        (iii)     Buyer shall pay Seller for any additional transportation
                  charges Seller incurs in delivering the Deficit Gas to the
                  Delivery Point; and

        (iv)      the maximum amount of Deficit Gas (or any Gas) that Seller
                  shall be obligated to deliver on any Day above the MDQ shall
                  be the IDQ limit set out in Section 5.06 of the Agreement.

If a Shortfall Amount was incurred in the Contract Year preceding the first 
above referenced Pricing Period, the provisions of Section 5.07 regarding 
Buyer's purchase of the Shortfall Amount in the Make-up Year shall apply in 
that Pricing Period, however, subject to the same conditions as outlined 
above in (i) through (iv) with respect to Deficit Gas, and further provided 
that any Gas taken above the MDQ shall first be applied to Deficit Gas, then 
to the Shortfall Amount and finally to any agreed upon interruptible gas

<PAGE>

pursuant to Section 5.06 of the Agreement.  The Commodity Charge for the 
Shortfall Amount shall be as specified in Section 5.07 of the Agreement.

Accepted and agreed to as of the     day of            , 1996.
                                 ---        -----------


SHELL CANADA LIMITED                    GREAT FALLS GAS COMPANY


Per:  /s/ James Chunn                   Per: /s/ Larry D. Geske
     --------------------------              -------------------------

Name:  James Chunn                      Name:  LARRY D. GESKE
      -------------------------               ------------------------

Title: MGR. - BC & WESTERN U.S.         Title: President & CEO
       ------------------------               ------------------------

<PAGE>

                               GREAT FALLS GAS COMPANY
                                1992 STOCK OPTION PLAN

1.  PURPOSE OF PLAN.

         This Plan shall be known as the "GREAT FALLS GAS COMPANY 1992 STOCK
OPTION PLAN" and is hereinafter referred to as the "Plan". The purpose of the
Plan is to aid in maintaining and developing personnel capable of assuring the
future success of Great Falls Gas Company, a Montana corporation (the
"Company"), to offer such personnel additional incentives to put forth maximum
efforts for the success of the business, and to afford them an opportunity to
acquire a proprietary interest in the Company through stock options. Options
granted under this Plan may be either incentive stock options ("Incentive Stock
Options") within the meaning of Section 422 of the Internal Revenue Code of 1986
(the "Code"), or options which do not qualify as Incentive Stock Options.

2.  STOCK SUBJECT TO PLAN.

         Subject to the provisions of Section 12 hereof, the stock to be
subject to options under the Plan shall be the Company's authorized Common
Shares, $.15 par value per share. Such shares may be either authorized but
unissued shares, or issued shares which have been reacquired by the Company.
Subject to adjustment as provided in Section 12 hereof, the maximum number of
shares on which options may be exercised issued under this Plan shall be 50,000
shares. If an option under the Plan expires, or for any reason is terminated or
unexercised with respect to any shares, such shares shall again be available for
options thereafter granted during the term of the Plan.

<PAGE>

3.  ADMINISTRATION OF PLAN.

         (a) The Plan shall be administered by a committee (the "Committee") of
two or more directors of the Company, none of whom shall be officers or
employees of the Company and all of whom shall be "disinterested persons" with
respect to the Plan within the meaning of Rule 16b-3 under the Securities
Exchange Act of 1934, as amended (the "Exchange Act"), or any successor rule or
regulation thereto.

         (b) The Committee shall have plenary authority in its discretion, but
subject to the express provisions of the Plan: (i) to determine the purchase
price of the Common Stock covered by each option, (ii) to determine the
employees to whom and the time or times at which such options shall be granted
and the number of shares to be subject to such options, (iii) to determine the
terms of exercise of each option, (iv) to accelerate the time at which all or
any part of an option may be exercised, (v) to amend or modify the terms of any
option with the consent of the optionee, (vi) to interpret the Plan, (vii) to
prescribe, amend and rescind rules and regulations relating to the Plan, (viii)
to determine the terms and provisions of each option agreement under the Plan
(which agreements need not be identical), including the designation of those
options intended to be Incentive Stock Options, and (ix) to make all other
determinations necessary or advisable for the administration of the Plan,
subject to the exclusive authority of the Board of Directors under Section 13
herein to amend or terminate the Plan. The


                                         -2-


<PAGE>

Committee's determinations on the foregoing matters, unless otherwise
disapproved by the Board of Directors of the Company, shall be final and
conclusive.


         (c) The Committee shall select one of its members as its Chairman and
shall hold its meetings at such times and places as it may determine. A majority
of its members shall constitute a quorum. All determinations of the Committee
shall be made by not less than a majority of its members. Any decision or
determination reduced to writing and signed by all of the members of the
Committee shall be fully effective as if it had been made by a majority vote at
a meeting duly called and held. The grant of an option shall be effective only
if a written agreement shall have been duly executed and delivered by and on
behalf of the Company following such grant. The Committee may appoint a
Secretary and may make such rules and regulations for the conduct of its
business as it shall deem advisable.

4.  ELIGIBILITY.

         Incentive Stock Options may only be granted under this Plan to any
full or part-time employee (which term as used herein includes, but is not
limited to, officers and directors who are also employees) of the Company and of
its present and future subsidiary corporations within the meaning of Section
424(f) of the Code (herein called "subsidiaries"). Full or part-time employees,
directors who are not also employees, consultants or independent contractors to
the Company or one of its subsidiaries shall be eligible to receive options 
which do not qualify as Incentive Stock Options. In determining the persons to 
whom options shall be granted and the number of shares subject to such options, 
the Committee may take into account


                                         -3-


<PAGE>

the nature of services rendered by the respective employees or consultants,
their present and potential contributions to the success of the Company and such
other factors as the Committee in its discretion shall deem relevant. A person
who has been granted an option under this Plan may be granted additional options
under the Plan if the Committee shall so determine; provided, however, that for
Incentive Stock Options granted after December 31, 1986, to the extent the
aggregate fair market value (determined at the time the Incentive Stock Option
is granted) of the Common Shares with respect to which all Incentive Stock
Options are exercisable for the first time by an employee during any calendar
year (under all plans described in subsection (d) of Section 422 of the Code of
his employer corporation and its parent and subsidiary corporations) exceeds
$100,000, such options shall be treated as options which do not qualify as
Incentive Stock Options. Nothing in the Plan or in any agreement thereunder
shall confer on any employee any right to continue in the employ of the Company
or any of its subsidiaries or affect, in any way, the right of the Company or
any of its subsidiaries to terminate his or her employment at any time.

5. PRICE.

         The option price for all Incentive Stock Options granted under the
Plan shall be determined by the Committee but shall not be less than 100% of the
fair market value of the Common Shares at the date of grant of such option. The
option price for options granted under the Plan which do not qualify as
Incentive Stock Options shall also be determined by the Committee but shall not
be less than 100%


                                         -4-


<PAGE>

of the fair market value of the Common Shares at the date of grant of such
option. For purposes of the preceding two sentences and for all other valuation
purposes under the Plan, the fair market value of the Common Shares shall be (i)
the closing price of the Common Stock as reported for composite transactions if
the Common Stock is then traded on a national securities exchange, (ii) the last
sale price if the Common Stock is then quoted on the NASDAQ National Market
System, or (iii) the average of the closing representative bid and asked prices
of the Common Stock as reported on NASDAQ on the date as of which the fair
market value is being determined. If on the date of grant of any option
hereunder the Common Shares are not traded on an established securities market,
the Committee shall make a good faith attempt to satisfy the requirements of
this Section 5 and in connection therewith shall take such action as it deems
necessary or advisable.

6.  TERM.

         Each option and all rights and obligations thereunder shall expire on
the date determined by the Committee and specified in the option agreement. The
Committee shall be under no duty to provide terms of like duration for options
granted under the Plan, but the term of an Incentive Stock Option may not extend
more than ten (10) years from the date of grant of such option and the term of
options granted under the Plan which do not qualify as Incentive Stock Options
may not extend more than ten (10) years from the date of granting of such
option.


                                         -5-


<PAGE>

7.  EXERCISE OF OPTION.

         (a) The Committee shall have full and complete authority to determine
whether an option will be exercisable in full at any time or from time to time
during the term thereof, or to provide for the exercise thereof in such
installments, upon the occurrence of such events (such as termination of
employment for any reason) and at such times during the term of the option as
the Committee may determine and specify in the option agreement.

         (b) The exercise of any option granted hereunder shall only be
effective at such time that the sale of Common Shares pursuant to such exercise
will not violate any state or federal securities or other laws. Only to the
extent required in order to comply with Rule 16b-3 under the Exchange Act, in
the case of an option or other award granted to a person considered by the
Company as one of its officers or directors for purposes of Section 16 of the
Exchange Act, the terms of the option or other award will require that such
shares are not disposed of by such officer or director for a period of at least
six months from the date of grant.

         (c) An optionee or grantee electing to exercise an option shall give
written notice to the Company of such election and of the number of shares
subject to such exercise. The full purchase price of such shares shall be
tendered with such notice of exercise. Payment shall be made to the Company in
cash (including bank check, certified check, personal check, or money order),
or, at the discretion of the Committee and as specified by the Committee, (i) by
delivering certificates for the Company's Common Shares already owned by the
optionee or grantee having a fair


                                         -6-


<PAGE>

market value as of the date of grant equal to the full purchase price of the
shares, or (ii) by delivering the optionee's or grantee's promissory note, which
shall provide for interest at a rate not less than the minimum rate required to
avoid the imputation of income, original issue discount or a below-market-rate
loan pursuant to Sections 483, 1274 or 7872 of the Code or any successor
provisions thereto, or (iii) a combination of cash, the optionee's or grantee
promissory note and such shares. The fair market value of such tendered shares
shall be determined as provided in Section 5 herein. The optionee's or grantee's
promissory note shall be a full recourse liability of the optionee and may, at
the discretion of the Committee, be secured by a pledge of the shares being
purchased. Until such person has been issued the shares subject to such
exercise, he or she shall possess no rights as a shareholder with respect to
such shares.

8.  INCOME TAX WITHHOLDING AND TAX BONUSES.

         (a) In order to comply with all applicable federal or state income tax
laws or regulations, the Company may take such action as it deems appropriate to
ensure that all applicable federal or state payroll, withholding, income or
other taxes, which are the sole and absolute responsibility of an optionee or
grantee under the Plan, are withheld or collected from such optionee or grantee.
In order to assist an optionee or grantee in paying all federal and state taxes
to be withheld or collected upon exercise of an option which does not qualify as
an Incentive Stock Option hereunder, the Committee, in its absolute discretion
and subject to such additional terms and conditions as it may adopt, shall
permit the optionee or


                                         -7-


<PAGE>

grantee to satisfy such tax obligation by (i) electing to have the Company
withhold a portion of the shares otherwise to be delivered upon exercise of such
option with a fair market value, determined in accordance with Section 5 herein,
equal to such taxes or (ii) delivering to the Company Common Shares other than
the shares issuable upon exercise of such option with a fair market value,
determined in accordance with Section 5, equal to such taxes.

         (b) The Committee shall have the authority, at the time of grant of an
option under the Plan or at any time thereafter, to approve tax bonuses to
designated optionees or grantees to be paid upon their exercise of options
granted hereunder. The amount of any such payments shall be determined by the
Committee. The Committee shall have full authority in its absolute discretion to
determine the amount of any such tax bonus and the terms and conditions
affecting the vesting and payment thereafter.

9.  ADDITIONAL RESTRICTIONS.

         The Committee shall have full and complete authority to determine
whether all or any part of the Common Shares of the Company acquired upon
exercise of any of the options granted under the Plan shall be subject to
restrictions on the transferability thereof or any other restrictions affecting
in any manner the optionee's or grantee's rights with respect thereto, but any
such restriction shall be contained in the agreement relating to such options.

10. TEN PERCENT SHAREHOLDER RULE.


                                         -8-


<PAGE>

         Notwithstanding any other provision in the Plan, if at the time an
option is otherwise to be granted pursuant to the Plan the optionee owns
directly or indirectly (within the meaning of Section 424(d) of the Code) Common
Shares of the Company possessing more than ten percent (10%) of the total
combined voting power of all classes of stock of the Company or its parent or
subsidiary corporations, if any (within the meaning of Section 422(b)(6) of the
Code), then any Incentive Stock Option to be granted to such optionee pursuant
to the Plan shall satisfy the requirements of Section 422(c)(5) of the Code, and
the option price shall be not less than 110% of the fair market value of the
Common Shares of the Company determined as described herein, and such option by
its terms shall not be exercisable after the expiration of five (5) years from
the date such option is granted.

11. NON-TRANSFERABILITY.

         No option granted under the Plan shall be transferable by an optionee
or grantee, otherwise than by will or the laws of descent or distribution.
Except as otherwise provided in an option agreement, during the lifetime of an
optionee or grantee, the option shall be exercisable only by such optionee or
grantee.

12. DILUTION OR OTHER ADJUSTMENTS.

         If there shall be any change in the Common Shares through merger,
consolidation, reorganization, recapitalization, dividend in the form of stock
(of whatever amount), stock split or other change in the corporate structure,
appropriate adjustments in the Plan and outstanding options shall be made by the
Committee. In the event of any such changes, adjustments shall include, where


                                         -9-


<PAGE>

appropriate, changes in the aggregate number of shares subject to the Plan and
the number of shares and the price per share subject to outstanding options, in
order to prevent dilution or enlargement of option rights.

13. AMENDMENT OR DISCONTINUANCE OF PLAN.

         The Board of Directors may amend or discontinue the Plan at any time.
Subject to the provisions of Section 12 no amendment of the Plan, however, shall
without shareholder approval: (i) increase the maximum number of shares under
the Plan as provided in Section 2 herein, (ii) decrease the minimum price
provided in Section 5 herein, (iii) extend the maximum term under Section 6, or
(iv) modify the eligibility requirements for participation in the Plan. The
Board of Directors shall not alter or impair any option theretofore granted
under the Plan without the consent of the holder of the option.

14. TIME OF GRANTING.

         Nothing contained in the Plan or in any resolution adopted or to be
adopted by the Board of Directors or by the shareholders of the Company, and no
action taken by the Committee or the Board of Directors (other than the
execution and delivery of an option agreement), shall constitute the granting of
an option hereunder.

15. EFFECTIVE DATE AND TERMINATION OF PLAN.

         (a) The Plan was approved by the Board of Directors on September 1,
1992, and shall be approved by the shareholders of the Company within twelve
(12) months thereof.


                                         -10-


<PAGE>


    (b) Unless the Plan shall have been discontinued as provided in Section 13
hereof, the Plan shall terminate September 1, 2002. No option may be granted
after such termination, but termination of the Plan shall not, without the
consent of the optionee or grantee, alter or impair any rights or obligations
under any option theretofore granted.


                                         -11-

<PAGE>

                             GREAT FALLS GAS COMPANY
                           INCENTIVE STOCK OPTION PLAN


THIS AGREEMENT, made in Great Falls, Montana on this 6th day of November, 
1992, between Great Falls Gas Company (hereinafter referred to as "Company") 
and hereinafter referred to as "Optionee"), an employee of the Company or a 
subsidiary thereof.

WHEREAS, the Company desires to maintain and develop personnel capable of
assuring the future success of the Company, to offer such personnel additional
incentives to put forth maximum efforts for the success of the business, and to
afford them an opportunity to acquire a proprietary interest in the Company
through stock options:

NOW, THEREFORE, in consideration of the mutual agreements stated hereinafter, 
the Company and Optionee agree that:

1.   STOCK OPTION. The Company hereby grants to the Optionee and the Optionee
     accepts an incentive option to purchase 2200 shares of the Company's stock
     at any time prior to November 6, 1997 at a purchase price of $14.25 per
     share, all subject to the terms, provisions and conditions of this 
     Agreement and of the Company's 1984 Stock Option Plan (hereinafter referred
     to as the "Plan"), which is incorporated herein by reference. Should there
     be any inconsistency between the provisions of this Agreement and the Plan,
     the provisions of the Plan shall control. This option may be exercised in 
     the following manner. In the first twelve months from the date of this
     agreement no more than twenty percent (440) of the options granted herein
     may be exercised; in the next succeeding twelve months no more than forty
     percent (880) of said options shall be exercisable, in the next succeeding
     twelve months no more than sixty percent (1320) of said options shall be
     exercisable; in the next succeeding twelve months no more than eighty
     percent (1760) of the options shall be exercisable. Other than the
     foregoing restriction this Agreement shall be exercised in the manner
     provided in the Plan as to all or any part of the shares of stock subject
     to the option from time to time during the option period, and exercise of
     the option as to part of such shares shall not exhaust or terminate the
     option. The option shall be exercised as to not less than One Hundred (100)
     shares at any one time, however. Payment of the option price shall be made
     concurrently with the exercise of the option as provided in the Plan.

2.   LIMITATION ON AMOUNT. In any calendar year, the aggregate fair market value
     (such value being determined as of the time the option is granted) of stock
     for which Optionee may be granted Incentive Stock Options shall not exceed
     One Hundred Thousand Dollars (100,000) plus any unused limit carryover to
     such year. (Any unused limit carryover amount shall be

<PAGE>

     determined as prescribed by Section 422A(c)(4) of the Internal Revenue Code
     of 1954, or similar provisions in succeeding enactments, and the
     regulations and rulings promulgated thereunder). In determining the maximum
     permissible value of Incentive Stock Options which may be granted to
     Optionee in any calendar year, all Incentive Stock Options granted under
     Incentive Stock Option Plans of the Company and its divisions or subsidiary
     corporations shall be considered in the aggregate. This annual $100,000
     limitation shall not apply to any stock option which is not an Incentive
     Stock Option as defined by Section 433A of the Internal Revenue Code of
     1954 (or similar provisions in succeeding enactments).

3.   EXERCISE OF OPTION. All Incentive Stock Options must be exercised
     sequentially; i.e., no Incentive Stock Option may be exercised by any one
     individual while there is outstanding any Incentive Stock Option to that
     same individual which was granted prior to the grant date of the Incentive
     Stock Option sought to be exercised. Any outstanding Incentive Stock Option
     shall be treated as outstanding until such option is exercised in full or
     expires by reason of lapse of time.

4.   PERCENT SHAREHOLDER RULE. Notwithstanding any other provision in the Plan,
     if at the time an option is otherwise to be granted pursuant to the Plan
     the Optionee owns directly or indirectly (within the meaning of Section
     425(d) of the Code), common stock of the Company possessing more than ten
     percent (10%) of the total combined voting power of all classes of stock of
     the Company or its parent or subsidiary corporations, if any (within the
     meaning of Section 422A(c)(8) of the Code, and the option price shall be
     not less than 110% of the fair market value of the common stock of the
     Company determined as described herein, and such option by its terms shall
     not be exercisable after the expiration of five (5) years from the date
     such option is granted.

5.   NON-TRANSFERABILITY AND TERMINATION OF EMPLOYMENT. No option granted under
     the Plan shall be transferable by an Optionee, otherwise than by will or
     the laws of descent of distribution as provided in Section 9(c) of the 
     Plan. During the lifetime of an Optionee, the option shall be exercisable 
     only by such Optionee. In the event that Optionee ceases to be employed 
     by the Company or its subsidiaries, if any, for any reason other than his 
     gross and willful misconduct or his death or disability, such Optionee 
     shall have the right to exercise the option at any time within three (3) 
     months after such termination of employment to the extent of the full 
     number of shares he was entitled to purchase under the option on the date 
     of termination, subject to the condition that no option shall be 
     exercisable after the expiration of the term of the option.

6.   DILUTION OR OTHER ADJUSTMENTS. If there shall be any change in the common
     stock through merger, consolidation, reorganization, recapitalization, 
     stock dividend (of whatever amount), stock split or other

<PAGE>

     change in the corporate structure, appropriate adjustments in the Plan and
     outstanding options shall be made by the Committee. In the event of any
     such changes adjustments shall include, where appropriate, changes in the
     aggregate number of shares subject to the Plan and the number of shares and
     the price per share subject to outstanding options.

7.   RIGHTS OF OPTIONEE NOT THAT OF SHAREHOLDER. The Optionee shall have no
     rights as a shareholder in respect of shares as to which this option shall
     not have been exercised and payment made as provided in the Plan, and the
     Optionee shall not be considered or treated as a record owner of shares
     with respect to which this option is exercised until the date that the
     stock certificate or certificates are actually issued and such issuance
     reflected on the stock records of the Company.

8.   SUCCESSORS AND ASSIGNS. This Agreement shall inure to the benefit of and be
     binding upon the heirs, legatees, legal representatives, successors and
     assigns of the parties hereto.

IN WITNESS WHEREOF, the Company has caused this Agreement to be duly executed by
its Compensation Committee thereunto duly authorized, and the Optionee has
signed the same, in duplicate originals, on the date and year first above
written.

                             GREAT FALLS GAS COMPANY




/s/ Ian B. Davidson                          /s/ Thomas N. McGowen, Jr.
- ------------------------------               --------------------------
Ian B. Davidson                              Thomas N. McGowen, Jr.



                                             /s/ Timothy J. Moylan
                                             --------------------------
                                             Timothy Moylan



                                             /s/ John P. Allen
                                             --------------------------
                                             Optionee


<PAGE>

                        Consent of Independent Auditors

We consent to the incorporation by reference in the Registration Statement 
on Form S-2 of Energy West Incorporated and in the related Prospectus dated 
July 23, 1997, of our report dated August 15, 1996, with respect to the 
consolidated financial statements of Energy West Incorporated included in  
its Annual Report, as amended on Form 10-KA/1 for the year ended June 30, 1996 
and the related financial statement schedule included therein, filed with the 
Securities and Exchange Commission.

                                            /s/ Ernst & Young LLP

                                               Ernst & Young LLP

Denver, Colorado
July 23, 1997


<PAGE>

- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

                          SECURITIES AND EXCHANGE COMMISSION

                               Washington, D.C.  20549

                            -----------------------------

                                       FORM T-1

                               STATEMENT OF ELIGIBILITY
                     UNDER THE TRUST INDENTURE ACT OF 1939 OF A
                       CORPORATION DESIGNATED TO ACT AS TRUSTEE

                            -----------------------------

  ___ CHECK IF AN APPLICATION TO DETERMINE ELIGIBILITY OF A TRUSTEE PURSUANT TO
                                  SECTION 305(b) (2)

                     NORWEST BANK MINNESOTA, NATIONAL ASSOCIATION
                 (Exact name of trustee as specified in its charter)

A U.S. NATIONAL BANKING ASSOCIATION                        41-1592157
(Jurisdiction of incorporation or                       (I.R.S. Employer
organization if not a U.S. national                   Identification No.)
bank)

SIXTH STREET AND MARQUETTE AVENUE
Minneapolis, Minnesota                                       55479
(Address of principal executive offices)                   (Zip code)

                          Stanley S. Stroup, General Counsel
                     NORWEST BANK MINNESOTA, NATIONAL ASSOCIATION
                          Sixth Street and Marquette Avenue
                            Minneapolis, Minnesota  55479
                                    (612) 667-1234
                                 (Agent for Service)

                            -----------------------------

                               ENERGY WEST INCORPORATED
                 (Exact name of obligor as specified in its charter)

MONTANA                                                  81-0141785
(State or other jurisdiction of                        (I.R.S. Employer
incorporation or organization)                        Identification No.)

1 FIRST AVENUE SOUTH
GREAT FALLS MONTANA                                        59401
(Address of principal executive offices)                 (Zip code)

                            -----------------------------

                              __% NOTES DUE JUNE 1, 2012
                         (Title of the indenture securities)

- --------------------------------------------------------------------------------
- --------------------------------------------------------------------------------

<PAGE>

Item 1.  GENERAL INFORMATION.  Furnish the following information as to the
trustee:

         (a)  Name and address of each examining or supervising authority to
              which it is subject.

              Comptroller of the Currency
              Treasury Department
              Washington, D.C.

              Federal Deposit Insurance Corporation
              Washington, D.C.

              The Board of Governors of the Federal Reserve System
              Washington, D.C.

         (b)  Whether it is authorized to exercise corporate trust powers.

              The trustee is authorized to exercise corporate trust powers.

Item 2.  AFFILIATIONS WITH OBLIGOR.  If the obligor is an affiliate of the
trustee, describe each such affiliation.

         None with respect to the trustee.

No responses are included for Items 3-14 of this Form T-1 because the obligor is
not in default as provided under Item 13.

Item 15.  FOREIGN TRUSTEE.   Not applicable.

Item 16.  LIST OF EXHIBITS.  List below all exhibits filed as a part of this
                             Statement of Eligibility.  Norwest Bank
                             incorporates by reference into this Form T-1 the
                             exhibits attached hereto.

    Exhibit 1.     a.   A copy of the Articles of Association of the trustee
                        now in effect.*

    Exhibit 2.     a.   A copy of the certificate of authority of the trustee
                        to commence business issued June 28, 1872, by the
                        Comptroller of the Currency to The Northwestern
                        National Bank of Minneapolis.*

                   b.   A copy of the certificate of the Comptroller of the
                        Currency dated January 2, 1934, approving the
                        consolidation of The Northwestern National Bank of
                        Minneapolis and The Minnesota Loan and Trust Company of
                        Minneapolis, with the surviving entity being titled
                        Northwestern National Bank and Trust Company of
                        Minneapolis.*

                   c.   A copy of the certificate of the Acting Comptroller of
                        the Currency dated January 12, 1943, as to change of
                        corporate title of Northwestern National Bank and Trust
                        Company of Minneapolis to Northwestern National Bank of
                        Minneapolis.*

<PAGE>

                   d.   A copy of the letter dated May 12, 1983 from the
                        Regional Counsel, Comptroller of the Currency,
                        acknowledging receipt of notice of name change
                        effective May 1, 1983 from Northwestern National Bank
                        of Minneapolis to Norwest Bank Minneapolis, National
                        Association.*

                   e.   A copy of the letter dated January 4, 1988 from the
                        Administrator of National Banks for the Comptroller of
                        the Currency certifying approval of consolidation and
                        merger effective January 1, 1988 of Norwest Bank
                        Minneapolis, National Association with  various other
                        banks under the title of "Norwest Bank Minnesota,
                        National Association."*

    Exhibit 3.     A copy of the authorization of the trustee to exercise
                   corporate trust powers issued January 2, 1934, by the
                   Federal Reserve Board.*

    Exhibit 4.     Copy of By-laws of the trustee as now in effect.*

    Exhibit 5.     Not applicable.

    Exhibit 6.     The consent of the trustee required by Section 321(b) of the
                   Act. **

    Exhibit 7.     A copy of the latest report of condition of the trustee
                   published pursuant to law or the requirements of its
                   supervising or examining authority. ***

    Exhibit 8.     Not applicable.

    Exhibit 9.     Not applicable.







    *    Incorporated by reference to exhibit number 25 filed with registration
         statement number 33-66026.

   **    Filed herewith.

  ***    Incorporated by reference to exhibit number 7 filed with 
         registration statement number 333-7575. Such exhibit was filed in 
         paper format under cover of Form SE pursuant to a continuing hardship
         exemption granted on March 13, 1997 in accordance with Rule 202 of
         Regulation S-T.

<PAGE>

                                      SIGNATURE


Pursuant to the requirements of the Trust Indenture Act of 1939, as amended, the
trustee, Norwest Bank Minnesota, National Association, a national banking
association organized and existing under the laws of the United States of
America, has duly caused this statement of eligibility to be signed on its
behalf by the undersigned, thereunto duly authorized, all in the City of
Minneapolis and State of Minnesota on the 22nd day of July, 1997.






                        NORWEST BANK MINNESOTA,
                        NATIONAL ASSOCIATION


                        /s/ Curtis D. Schwegman
                        ------------------------------
                        Curtis D. Schwegman
                        Assistant Vice President

<PAGE>

[LETTERHEAD]

                                      EXHIBIT 6




July 22, 1997



Securities and Exchange Commission
Washington, D.C.  20549

Gentlemen:

In accordance with Section 321(b) of the Trust Indenture Act of 1939, as
amended, the undersigned hereby consents that reports of examination of the
undersigned made by Federal, State, Territorial, or District authorities
authorized to make such examination may be furnished by such authorities to the
Securities and Exchange Commission upon its request therefor.





                        Very truly yours,

                        NORWEST BANK MINNESOTA,
                        NATIONAL ASSOCIATION


                        /s/ Curtis D. Schwegman
                        ------------------------------
                        Curtis D. Schwegman
                        Assistant Vice President


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