MICHIGAN CONSOLIDATED GAS CO /MI/
8-K, 1997-05-19
NATURAL GAS DISTRIBUTION
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<PAGE>   1
1
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    FORM 8-K

                                 CURRENT REPORT

                     PURSUANT TO SECTION 13 OR 15(d) OF THE
                        SECURITIES EXCHANGE ACT OF 1934

         DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED) MAY 14, 1997
                       MICHIGAN CONSOLIDATED GAS COMPANY
             (Exact name of registrant as specified in its charter)

<TABLE>
<CAPTION>
<S>                           <C>                         <C>
MICHIGAN                       1-7310                      38-0478040      
State of Incorporation      (Commission File           (I.R.S. Employer
                                 Number)              Identification No.)  
</TABLE>

       500 GRISWOLD STREET, DETROIT, MICHIGAN                      48226
     (Address of principal executive offices)                   (Zip Code)

              Registrant's telephone number, including area code:
                                 (313) 965-2430
<PAGE>   2
                 MICHIGAN CONSOLIDATED GAS COMPANY ("MICHCON")





ITEM 5. OTHER EVENTS

Michigan Consolidated Gas Company ("MichCon" or the "Registrant") is filing
herewith the following exhibits in connection with offerings by the Registrant
of its First Mortgage Bonds Designated As 7.21% Secured Medium-Term Notes,
Series C, due May 1, 2007, First Mortgage Bonds Designated as 7.60%
Secured Medium-Term Notes, Series C, due May 1, 2017, and First Mortgage Bonds
Designated As 7.06% Secured Medium-Term Notes, Series B, due May 1, 2012.



                               INDEX TO EXHIBITS

EXHIBIT
NUMBER          EXHIBIT

5.1             Underwriting Agreement dated May 15, 1997 with respect to First
                Mortgage Bonds Designated As 7.21% Secured Medium Term Notes,
                Series C, due May 1, 2007.

5.2             Underwriting Agreement dated May 14, 1997 with respect to First
                Mortgage Bonds Designated As 7.60% Secured Medium-Term Notes,
                Series C, due May 1, 2017.

5.3             Underwriting Agreement dated May 15, 1997 with respect to First
                Mortgage Bonds Designated As 7.06% Secured Medium-Term Notes,
                Series B, due May 1, 2012.


<PAGE>   3




                                  SIGNATURE



       Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                    Michigan Consolidated Gas Company

                                By  /s/ Howard L. Dow III
                                    ---------------------------
                                    Howard L. Dow III
                                    Vice President and Chief Financial Officer  

Date: May 16, 1997                                      

<PAGE>   1
                                                                    EXHIBIT 5.1

                       MICHIGAN CONSOLIDATED GAS COMPANY
                            (A MICHIGAN CORPORATION)

                              FIRST MORTGAGE BONDS


                             UNDERWRITING AGREEMENT


                                                                    May 15, 1997



Robert W. Baird & Co. Incorporated
777 East Wisconsin Avenue
Milwaukee, Wisconsin 53202

First of Michigan Corporation
100 Renaissance Center, 26th Floor
Detroit, Michigan 48243

Roney & Co., LLC
One Griswold Street
Detroit, Michigan 48226

Ladies and Gentlemen:

     Michigan Consolidated Gas Company, a Michigan corporation (the "Company"),
confirms its agreement with Robert W. Baird & Co. Incorporated ("Robert W.
Baird"), First of Michigan Corporation and Roney & Co., LLC (collectively, the
"Underwriters", which term shall also include any underwriter substituted as
hereinafter provided in Section 10 hereof), with respect to the issue and sale
by the Company and the purchase by the Underwriters, acting severally and not
jointly, of the $30,000,000 aggregate principal amount of its First Mortgage
Bonds designated as 7.21% Secured Medium-Term Notes, Series C, due May 1, 2007
(the "Bonds").  The Bonds will be issued by the Company under its Indenture of
Mortgage and Deed of Trust (the "Original Indenture") dated as of March 1,
1944, under which Citibank, N.A. and Robert T. Kirchner are now the trustees
(the "Trustees"), as heretofore amended and supplemented by thirty-four
supplemental indentures, including the Twenty-ninth Supplemental Indenture
dated as of July 15, 1989 providing for the modification and restatement of the
Original Indenture which became effective on April 1, 1994 and the Thirty-
fourth Supplemental Indenture creating the series in which the Bonds are to be 
issued.  The term "Indenture", as hereinafter used, means such Original 
Indenture, as so amended and supplemented.  The Company proposes to sell to the
Underwriters Bonds in the aggregate principal amount and with the terms 
specified in Schedule I hereto (the "Offered Bonds").

<PAGE>   2


     The Company understands that the Underwriters propose to make a public
offering of the Offered Bonds as soon as they deem advisable after this
Agreement has been executed and delivered.

     The Company has filed with the Securities and Exchange Commission (the
"Commission") a registration statement on Form S-3 (No. 333-16285) covering the
registration of the Bonds under the Securities Act of 1933, as amended (the
"1933 Act"), including the related preliminary prospectus or prospectuses, and
the offering thereof from time to time in accordance with Rule 415 of the rules
and regulations of the Commission under the 1933 Act (the "1933 Act
Regulations") and the Company has filed such post-effective amendments thereto
as may be required prior to the execution of this Agreement.  Such registration
statement, as so amended, has been declared effective by the Commission.  Such
registration statement, as so amended, including the exhibits and schedules
thereto, if any, and the information, if any, deemed to be a part thereof
pursuant to Rule 430A(b) of the 1933 Act Regulations (the "Rule 430A
Information") or Rule 434(d) of the 1933 Act Regulations (the "Rule 434
Information"), is referred to herein as the "Registration Statement"; and the
final prospectus and the prospectus supplement relating to the offering of the
Offered Bonds, in the form first furnished to the Underwriters by the Company
for use in connection with the offering of the Offered Bonds, are collectively
referred to herein as the "Prospectus"; provided, however, that all references
to the "Registration Statement" and the "Prospectus" shall be deemed to include
all documents incorporated therein by reference pursuant to the Securities
Exchange Act of 1934, as amended (the "1934 Act"), prior to the execution of
this Agreement; provided, further, that if the Company files a registration
statement with the Commission pursuant to Section 462(b) of the 1933 Act
Regulations (the "Rule 462(b) Registration Statement"), then after such filing,
all references to "Registration Statement" shall be deemed to include the Rule 
462(b) Registration Statement; and provided, further, that if the Company
elects to rely upon Rule 434 of the 1933 Act Regulations, then all references
to "Prospectus" shall be deemed to include the final or preliminary prospectus
and the applicable term sheet or abbreviated term sheet (the "Term Sheet"), as
the case may be, in the form first furnished to the Underwriters by the Company
in reliance upon Rule 434 of the 1933 Act Regulations, and all references in
this Agreement to the date of the Prospectus shall mean the date of the Term
Sheet.  A "preliminary prospectus" shall be deemed to refer to any prospectus
used before the registration statement became effective and any prospectus that
omitted, as applicable, the Rule 430A Information, the Rule 434 Information or
other information to be included upon pricing in a form of prospectus filed
with the Commission pursuant to Rule 424(b) of the 1933 Act Regulations, that
was used after such effectiveness and prior to the execution and delivery of
this Agreement.  For purposes of this Agreement, all references to the
Registration Statement, any preliminary prospectus, the 
        









                                     -2-
<PAGE>   3


Prospectus or any Term Sheet or any amendment or supplement to any of the 
foregoing shall be deemed to include the electronically transmitted copy
thereof filed with the Commission pursuant to   its Electronic Data Gathering,
Analysis and Retrieval system ("EDGAR").

     All references in this Agreement to financial statements and schedules and
other information which is "contained," "included" or "stated" in the
Registration Statement, any preliminary prospectus or the Prospectus (or other
references of like import) shall be deemed to mean and include all such
financial statements and schedules and other information which is incorporated
by reference in the Registration Statement, any preliminary prospectus or the
Prospectus, as the case may be; and all references in this Agreement to
amendments or supplements to the Registration Statement, any preliminary
prospectus or the Prospectus shall be deemed to mean and include the filing of
any document under the 1934 Act which is incorporated by reference in the
Registration Statement, such preliminary prospectus or the Prospectus, as the
case may be.

     SECTION 1.  Representations and Warranties.

     (a)  The Company represents and warrants to each Underwriter that:

          (i)  No stop order suspending the effectiveness of the Registration 
Statement has been issued and no proceeding for that purpose has been initiated
or, to  the knowledge of the Company, threatened by the Commission.

          (ii) The Company meets the requirements for the use of Form S-3 under
the 1933 Act.  Each of the Registration Statement and any Rule 462(b)
Registration Statement has become effective under the 1933 Act.  At the
respective times the Registration Statement, any Rule 462(b) Registration
Statement and any post-effective amendments thereto (including the filing of
the Company's most recent Annual Report on Form 10-K with the Commission)
became effective and at the Closing Date, the Registration Statement, any Rule
462 Registration Statement and any amendments or supplements thereto complied
and will comply in all material respects with the requirements of the 1933 Act
and the 1933 Act Regulations and the 1939 Act and the rules and regulations of
the Commission under the 1939 Act (the "1939 Act Regulations") and did not 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 not misleading.  Neither the Prospectus nor any amendments and
supplements thereto, at the time the Prospectus or any amendment or supplement
was issued and at the Closing Date (as defined below), included or and will
include an untrue statement of a material fact or omitted or will omit to state
a material fact necessary in order to make the statements therein, 







                                     -3-
<PAGE>   4


in the light of the circumstances under which they were made, not misleading. 
If the Company elects to rely upon Rule 434 of the 1933 Act Regulations, the
Company will comply with the requirements of Rule 434.  Notwithstanding the
foregoing, the representations and warranties in this subsection shall not
apply to statements in or omissions from the Registration Statement or the
Prospectus made in reliance upon and in conformity with information furnished
to the Company in writing by any Underwriter through Robert W. Baird expressly
for use in the  Registration Statement or the Prospectus.

     Each preliminary prospectus and prospectus filed as part of the
Registration Statement as originally filed or as part of any amendment thereto,
or filed pursuant to Rule 424 under the 1933 Act, complied as so filed in all
material respects with the 1933 Act Regulations and, if applicable, each
preliminary prospectus and the Prospectus delivered to the Underwriters for use
in connection with the offering of the Offered Bonds will, at the time of such
delivery, be identical to the electronically transmitted copies thereof filed
with the Commission pursuant to EDGAR, except to the extent permitted by
Regulation S-T.

     (iii)  The documents incorporated or deemed to be incorporated by 
reference in the Registration Statement or the Prospectus, at the time they
were or hereafter are filed or last amended, as the case may be, with the
Commission, complied and will comply in all material respects with the
requirements of the 1934 Act, and the rules and regulations of Commission
thereunder (the "1934 Act Regulations"), and at the time of filing or as of the
time of any subsequent amendment, 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
under which they were or are made, not misleading; and any additional documents
deemed to be incorporated by reference in the Registration Statement or the
Prospectus will, if and when such documents are filed with the Commission, or
when amended, as appropriate, comply in all material respects to the
requirements of the 1934 Act and the 1934 Act Regulations 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 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 any Underwriter through
Robert W. Baird expressly for use in the Registration Statement or the
Prospectus.

     (iv)   The accountants who certified the financial statements and 
supporting schedules included or incorporated by reference in the Registration
Statement and the Prospectus are independent public accountants as required by
the 1933 Act and the 1933 Act Regulations. 



                                      -4-


<PAGE>   5



     (v)    The financial statements of the Company included or incorporated by
reference in the Registration Statement and the Prospectus, together with the
related schedules and notes, present fairly the financial position of the
Company and its consolidated subsidiaries as at the dates indicated and the
results of their operations for the periods specified.  Such financial
statements have been prepared in conformity with generally accepted accounting
principles ("GAAP") applied on a consistent basis throughout the periods
involved.  The supporting schedules, if any, included or incorporated by
reference in the Registration Statement and the Prospectus present fairly in
accordance with GAAP the information required to be stated therein.  The ratio
of earnings to fixed charges included in the Prospectus has been calculated in
compliance with Item 503(d) of Regulation S-K of the Commission.  The selected
financial information and the summary financial data included in the Prospectus
present fairly the information shown therein and have been compiled on a basis
consistent with that of the audited financial statements included in the
Registration Statement and the Prospectus.

     (vi)   Since the respective dates as of which information is given in the
Registration Statement and the Prospectus, and except as otherwise stated
therein, (A) there has been no material adverse change and no development which
could reasonably be expected to result in a material adverse change in the
condition, financial or otherwise, or in the earnings, business affairs or
business prospects of the Company and its subsidiaries, considered as one
enterprise (a "Material Adverse Effect"), whether or not arising in the
ordinary course of business, (B) there have been no transactions entered into
by the Company or any of its subsidiaries, other than those arising in the
ordinary course of business, which are material with respect to the Company and
its subsidiaries, considered as one enterprise, (C) except for regular
dividends on the Company's common stock in amounts per share that are
consistent with past practice or the applicable charter document or supplement
thereto, respectively, there has been no dividend or distribution of any kind
declared, paid or made by the Company on any class of its capital stock.

     (vii)  The Company has been duly incorporated and is validly existing as a
corporation in good standing under the laws of the State of Michigan, with 
corporate power and authority to own, lease and operate its properties and to
conduct its business as presently conducted and as described in the Prospectus
and to enter into and perform its obligations under, or as contemplated under,
this Agreement.  The Company is duly qualified as a foreign corporation to
transact business and is in good standing in each jurisdiction in which such
qualification is required, whether by reason of the ownership or leasing of
property or the conduct of business, except where the failure to so qualify or
be in good standing would not have a Material Adverse Effect.







                                     -5-
<PAGE>   6


     (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, has the corporate power and authority to
own, lease and operate its properties and to conduct its business as presently
conducted and as described in the Prospectus, and is duly qualified as a
foreign corporation to transact business and is in good standing in each
jurisdiction in which such qualification is required, whether by reason of the
ownership or leasing of property or the conduct of business, except where the
failure to so qualify or be in good standing would not have a Material Adverse
Effect.  Except as otherwise stated in the Registration Statement and the
Prospectus, all of the issued and outstanding shares of capital stock of each
subsidiary of the Company have been duly authorized and validly issued, is
fully paid and non-assessable and all such shares are owned by the Company,
directly or through its subsidiaries, free and clear of any security interest,
mortgage, pledge, lien, encumbrance, claim or equity.  None of the outstanding
shares of capital stock of the subsidiaries was issued in violation of
preemptive or other similar rights arising by operation of law, under the
charter or by-laws of any subsidiary or under any agreement to which the
Company or any subsidiary is a party, or otherwise.

     (ix)   The Company has an authorized capitalization as set forth in the
Prospectus; since the date indicated in the Prospectus there has been no change
in the consolidated capitalization of the Company and its subsidiaries; and all
of the issued and outstanding capital stock of the Company has been duly
authorized and validly issued, is fully paid and non-assessable.  None of such
shares of capital stock were issued in violation of preemptive or other similar
rights arising by operation of law, under the charter or by-laws of the Company
or under any agreement to which the Company or any of its subsidiaries is a 
party, or otherwise.

     (x)    The Company has good and marketable title to the properties 
specifically described in and conveyed by the Indenture (except such property
as may have been disposed of or released from the lien thereof in accordance
with the terms thereof) subject only to the lien of the Indenture, to permitted
liens, as defined in the Indenture, as to property acquired by the Company
subsequent to the execution of the Original Indenture, to any liens existing
thereon or purchase money liens placed thereon at the time of such acquisition
as permitted by the Indenture, and to certain other reservations, rights of
grantors under revocable permits, easements, licenses, zoning laws and
ordinances and restrictions and minor defects or irregularities of title which
do not materially impair the use of the property affected thereby in the
operation of the business of the Company; the Company and its subsidiaries have
good and marketable title to all personal property owned by them, in each case  
free and clear of all liens, encumbrances and defects except 






                                     -6-
<PAGE>   7

the liens of the Indenture and such liens, encumbrances and defects 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 and its
subsidiaries; and any real property and buildings held under lease by the
Company and 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 and its subsidiaries; the pipeline, distribution main
and underground gas storage easements enjoyed by the Company and its
subsidiaries are valid, subsisting and enforceable easements with such
exceptions as are not material and do not interfere with the conduct of the
business of the Company and its subsidiaries.
        
     (xi)   The Offered Bonds have been duly authorized by the Company for 
issuance and sale pursuant to this Agreement and, at the Closing Date, will
have been duly executed by the Company and, when authenticated in the manner
provided for in the Indenture and delivered against payment of the
consideration therefor specified in this Agreement, will constitute legal,
valid and binding obligations of the Company, enforceable against the Company
in accordance with their terms except to the extent that enforcement thereof
may be limited by bankruptcy, insolvency, reorganization, moratorium or other
similar laws relating to or affecting creditors' rights generally or by general
principles of equity (regardless of whether enforcement is considered in a
proceeding at law or in equity) (the "Bankruptcy Exceptions").  The Offered
Bonds will be in the form contemplated by, and entitled to the benefits of, the
Indenture and will conform in all material respects to the description thereof
contained in the Prospectus.
        
     (xii)  The Indenture has been duly authorized, executed and delivered by 
the Company and qualified under the 1939 Act and constitutes a legal, valid and
binding agreement of the Company, enforceable against the Company in accordance
with its terms except to the extent that enforcement thereof may be limited by
the Bankruptcy Exceptions; the Indenture will conform in all material respects
to the description thereof contained in the Prospectus.
        
     (xiii) The Indenture constitutes a legally valid and direct enforceable 
first mortgage lien, except as the same may be limited by the laws of the State
of Michigan (where all of the property covered thereby is located) affecting
the remedies for the enforcement of the security provided for therein, which
laws do not make inadequate the remedies necessary for the realization of the
benefits of such security, or as the same may be limited by the Bankruptcy
Exceptions, upon substantially all of the Company's properties and franchises,
now owned or hereafter acquired, free from all prior liens, charges or
encumbrances, except as hereinbefore set forth in subparagraph (x) above, and,







                                     -7-
<PAGE>   8


in the case of property hereafter acquired, any thereof existing at the time of
acquisition.
        
     (xiv)  Neither the Company nor any of its subsidiaries is in violation of 
its charter or by-laws or in default in the performance or observance of any
material obligation, agreement, covenant or condition contained in any
contract, indenture, mortgage, deed of trust, note, lease, loan or credit
agreement or any other agreement or instrument to which the Company or any of
its subsidiaries is a party or by which any of them may be bound, or to which
any of the property or assets of the Company or any of its subsidiaries is
subject, or in violation of any applicable law, rule or regulation or any 
judgment, order or decree of any government, governmental instrumentality or
court, domestic or foreign, having jurisdiction over the Company or any of its
subsidiaries or any of their respective properties or assets, which violation
or default would, singly or in the aggregate, have a Material Adverse Effect.
        
     (xv)   The issuance and sale of the Offered Bonds, the compliance by the 
Company with all of the provisions of the Offered Bonds, the execution,
delivery and performance by the Company of this Agreement, the Indenture and
the Offered Bonds and any other agreement or instrument entered into or issued
or to be entered into or issued by the Company in connection with the
transactions contemplated hereby or thereby or in the Prospectus, and the
consummation of the transactions contemplated herein and therein and compliance
by the Company with its obligations hereunder and thereunder have been duly
authorized by all necessary corporate action and do not and will not conflict
with or result in a breach of any of the terms or provisions of, or constitute
a default under or require the consent of any party under, or result in the
creation or imposition of any lien on the properties or assets of the Company
or any of its subsidiaries pursuant to, any contract, indenture, mortgage, deed
of trust, note, lease, agreement or other instrument to which the Company or
any of its subsidiaries is a party or by which any of them may be bound, nor
will such action result in any violation of the provisions of the charter or
by-laws of the Company and its subsidiaries or any applicable law, rule or
regulation or any judgment, order or decree of any government, governmental
instrumentality or court, domestic or foreign, having jurisdiction over the
Company or any of its subsidiaries or any of their respective properties or
assets.
        
     (xvi)  This Agreement has been duly authorized, executed and delivered by 
the Company.

     (xvii) There is no action, suit, proceeding, inquiry or investigation 
before or brought by any court or governmental agency or body, domestic or
foreign, now pending or to the knowledge of the Company threatened against or
affecting the Company or any of its subsidiaries which is required to be






                                      -8-

<PAGE>   9


disclosed in the Registration Statement and the Prospectus (other than as
stated therein), or which might reasonably be expected to result in a Material 
Adverse Effect, or which might be reasonably expected to materially and
adversely affect the properties, assets or operations thereof or the
consummation of this Agreement, the Indenture or the transactions contemplated
herein or therein.  The aggregate of all pending legal or governmental
proceedings to which the Company or any of its subsidiaries is a party or of
which any of their respective properties, assets or operations is the subject
which are not described in the Registration Statement and the Prospectus,
including ordinary routine litigation incidental to the business, could not
reasonably be expected to result in a Material Adverse Effect.
        
     (xviii) No labor dispute with the employees of the Company or any of its
subsidiaries exists or, to the knowledge of the Company, is imminent; and the
Company is not aware of any existing or imminent labor disturbance by the
employees of any of its or any subsidiary's principal suppliers, manufacturers,
customers or contractors which may be expected to result in a Material Adverse
Effect.

     (xix)   There are no contracts or documents which are required to be 
described in the Registration Statement, the Prospectus or the documents
incorporated by reference therein, or to be filed as exhibits thereto which
have not been so described and/or filed as required.
        
     (xx)    No filing with, or authorization, approval, consent, license, 
order, registration or qualification or decree of, any court or governmental
authority or agency is necessary or required for the performance by the Company
of its obligations hereunder, in connection with the offering, issuance or sale
of the Offered Bonds or the consummation of the transactions contemplated by
this Agreement or the Indenture, except such as have been already obtained or
as may be required under state or foreign securities or blue sky laws.
        
     (xxi)   The Company and its subsidiaries possess all licenses, franchises,
permits, certificates, authorizations, approvals, consents, orders and other
operating rights from the Federal Energy Regulatory Commission, the State of
Michigan and all governmental authorities or agencies necessary for the
ownership or lease of the material properties owned or leased by each of them
and for the operation of the business carried on by each of them, except where 
the failure to so comply would not, singly or in the aggregate, result in a
Material Adverse Effect; all such licenses, franchises, permits, certificates,
authorizations, approvals, consents and orders are in full force and effect and
contain no unduly burdensome provisions that would interfere with the conduct
of the business of the Company and its subsidiaries, considered as one
enterprise and, except as otherwise set forth in the Registration Statement and
the 







                                     -9-
<PAGE>   10

Prospectus, there are no legal or governmental proceedings pending or
threatened that would result in a material modification, suspension or
revocation thereof.
        
     (xxii)  The Company is a "subsidiary company" of a "holding company" as 
such terms are defined in the Public Utility Holding Company Act of 1935 (the
"1935 Act"), and such "holding company" and the Company are presently exempt
from the provisions of the 1935 Act (except Section 9 thereof).
        
     (xxiii) None of Company or any of its subsidiaries is an "investment 
company" or under the "control" of an "investment company" as such terms are
defined under the Investment Company Act of 1940, as amended (the "1940 Act").
        
     (xxiv)  The Company has complied with, and is and will be in compliance 
with, the provisions of that certain Florida act relating to disclosure of
doing business with Cuba, codified as Section 517.075 of the Florida statutes,
and the rules and regulations thereunder (collectively, the "Cuba Act") or is
exempt therefrom.
        
     (xxv)   Immediately after the sale of the Offered Bonds by the Company 
hereunder, the aggregate amount of the Offered Bonds which shall have been
issued and sold by the Company hereunder and of any debt securities of the
Company (other than the Offered Bonds) that shall have been issued and sold
pursuant to the Registration Statement will not exceed the amount of debt
securities registered under the Registration Statement.
        
     (xxvi)  None of the Company, its subsidiaries or any of their respective
directors, officers or controlling persons, has taken, directly or indirectly,
any action resulting in a violation of Regulation M under the 1934 Act, or
designed to cause or result in, or that has constituted or that reasonably 
might be expected to constitute, the stabilization or manipulation of the price
of any security of the Company to facilitate the sale or resale of the Offered
Bonds.

     (xxvii) No "forward looking statement" (as defined in Rule 175 under the 
1933 Act) contained in the Registration Statement, any preliminary prospectus
or the Prospectus was made or reaffirmed without a reasonable basis or was
disclosed other than in good faith.
        
  (b)        Any certificate signed by any officer of the Company and delivered
to the Underwriters or to counsel for the Underwriters in connection with the
offering of the Offered Bonds shall be deemed a representation and warranty by
the Company to each Underwriter as to the matters covered thereby.








                                    -10-
<PAGE>   11

        
     SECTION 2.  Sale and Delivery to Underwriters; Closing.

     (a)  On the basis of the representations and warranties herein contained 
and subject to the terms and conditions herein set forth, the Company agrees to
sell to each Underwriter, and each Underwriter, severally and not jointly,
agrees to purchase from the Company, at the purchase price set forth in
Schedule I hereto, the respective principal amounts of the Offered Bonds set
forth opposite the name of such Underwriter in Schedule II hereto, plus any
additional principal amount of Offered Bonds which such Underwriter may become
obligated to purchase pursuant to the provisions of Section 10 hereof.
        
     (b)  Payment of the purchase price for, and delivery of certificates for, 
the Offered Bonds shall be made at the office at the location specified in
Schedule I, at 9:00 A.M. (Eastern time) on the third (fourth, if the pricing
occurs after 4:30 P.M., Eastern time, on any given day) business day after the
date hereof (unless postponed in accordance with the provisions of Section 10),
or such other time not later than ten business days after such date as shall be
agreed upon by the Underwriters and the Company (such time and date of payment
and delivery being herein called the "Closing Date").
        
          Payment shall be made to the Company by certified or official bank 
check or checks, or by wire transfer in the type of funds specified in 
Schedule I, payable to the order of the Company, against delivery to Robert W. 
Baird for the respective accounts of the several Underwriters of certificates
for the Offered Bonds to be purchased by them.  It is understood that each
Underwriter has authorized Robert W. Baird, for its account, to accept delivery
of, receipt for, and make payment of the purchase price for, the Offered Bonds
which it has agreed to purchase.  Robert W. Baird, individually and not as
representative of the Underwriters, may (but shall not be obligated to) make
payment of the purchase price for the Offered Bonds to be purchased by any
Underwriter whose check has not been received by the Closing Date, but such
payment shall not relieve such Underwriter from its obligations hereunder.
        
     (c)  Certificates for the Offered Bonds shall be in such denominations and
registered in such names as the Underwriters may request in writing at least
one full business day before the Closing Date.  The certificates for the
Offered Bonds will be made available to the Underwriters for examination at the
location specified in Schedule I hereto not later than 10:00 a.m., Eastern
time, on the business day prior to the Closing Date.

     SECTION 3.   Covenants of the Company.  The Company agrees with the
Underwriters as follows:






                                    -11-
<PAGE>   12


     (a)  Promptly following the execution of this Agreement, the Company will 
cause the Prospectus, including as a part thereof a prospectus supplement
relating to the Offered Bonds to be filed with the Commission pursuant to Rule
424 of the 1933 Act Regulations and the Company will promptly advise the
Underwriters when such filing has been made.  Prior to the filing, the Company
will cooperate with the Underwriters in the preparation of such prospectus
supplement to assure that the Underwriters have no reasonable objection to the
form or content thereof when filed or mailed.
        
     (b)  The Company, subject to Section 3(c), will comply with the 
requirements of Rule 434 of the 1933 Act Regulations if and as applicable, and
will notify the Underwriters immediately, and confirm the notice in writing,
(i) of the effectiveness of any post-effective amendment to the Registration
Statement or the filing of any supplement or amendment to the Prospectus, (ii)
the receipt of any comments from the Commission, (iii) of any request by the 
Commission for any amendment to the Registration Statement or any amendment or
supplement to the Prospectus or for additional information, (iv) of the
issuance by the Commission of any stop order suspending the effectiveness of
the Registration Statement or suspending the use of any preliminary prospectus,
or the initiation of any proceedings for that purpose and (v) of the issuance
by any state securities commission or other regulatory authority of any order
suspending the qualification or the exemption from qualification of the Offered
Bonds under state securities or Blue Sky laws or the initiation or threatening
of any proceeding for such purpose.  The Company will make every reasonable
effort to prevent the issuance of any stop order and, if any stop order is
issued, to obtain the lifting thereof at the earliest possible moment.
        
     (c)  The Company will give the Underwriters notice of its intention to 
file or prepare any amendment to the Registration Statement (including any
post-effective amendment and any filing under Rule 462(b) of the 1933 Act
Regulations), any Term Sheet or any amendment, supplement or revision to either
the prospectus included in the Registration Statement at the time it became
effective or to the Prospectus, whether pursuant to the 1933 Act, the 1934 Act
or otherwise; will furnish the Underwriters with copies of any such Rule 462(b)
Registration Statement, Term Sheet, amendment, supplement or revision a
reasonable amount of time prior to such proposed filing or use, as the case may
be; and will not file any such Rule 462(b) Registration Statement, Term Sheet,
amendment, supplement or revision to which the Underwriters or counsel for the
Underwriters shall object.
        
     (d)  The Company will comply with the 1933 Act and the 1933 Act 
Regulations and the 1934 Act and the 1934 Act Regulations so as to permit the
completion of the distribution of the Offered Bonds as contemplated in this
Agreement and in the Registration Statement and the Prospectus.  If at any time
when the Prospectus 






                                    -12-
<PAGE>   13


is required by the 1933 Act or the 1934 Act to be delivered in connection with
sales of the Offered Bonds, any event shall occur or condition shall exist as a
result of which it is necessary, in the opinion of counsel for the Underwriters
or for the Company, to amend the Registration Statement in order that the
Registration Statement 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 not misleading or to amend or supplement the 
Prospectus in order that the Prospectus will not include an untrue statement of
a material fact or omit to state a material fact necessary in order to make the
statements therein not misleading in the light of the circumstances existing at
the time it is delivered to a purchaser, or if it shall be necessary, in the
opinion of such counsel, at any such time to amend the Registration Statement
or amend or supplement the Prospectus in order to comply with the requirements
of the 1933 Act or the 1933 Act Regulations, the Company will promptly prepare
and file with the Commission, subject to Section 3(c), such amendment or
supplement as may be necessary to correct such statement or omission or to make
the Registration Statement or the Prospectus comply with such requirements, and
the Company will furnish to the Underwriters, without charge, such number of
copies of such amendment or supplement as the Underwriters may reasonably
request.
        
     (e)  The Company will make generally available to its security holders as 
soon as practicable, but not later than 45 days (or 90 days, in the case of a
period that is also the Company's fiscal year) after the close of the period
covered thereby, an earnings statement of the Company and its subsidiaries (in
form complying with the provisions of Rule 158 of the 1933 Act Regulations)
covering a twelve-month period beginning not later than the first day of the
Company's fiscal quarter next following the "effective date" (as defined in
said Rule 158) of the Registration Statement.
        
     (f)  The Company will deliver to the Underwriters and counsel for the
Underwriters, without charge, signed copies of the Registration Statement as
originally filed and of each amendment thereto (including exhibits filed
therewith or incorporated by reference therein and documents incorporated or
deemed to be incorporated by reference therein) and signed copies of all
consents and certificates of experts, and will also deliver to the
Underwriters, without charge, a conformed copy of the Registration Statement as
originally filed and of each amendment thereto (without exhibits).  If
applicable, the copies of the Registration Statement and each amendment thereto
furnished to the Underwriters will be identical to the electronically
transmitted copies thereof filed with the Commission pursuant to EDGAR, except
to the extent permitted by Regulation S-T.


                                      -13-


<PAGE>   14



     (g)  The Company will deliver to each Underwriter, without charge, as many
copies of each preliminary prospectus as such Underwriter may reasonably
request, and the Company hereby consents to the use of such copies for purposes
permitted by the 1933 Act.  The Company will furnish to each Underwriter,
without charge, during the period when the Prospectus is required to be
delivered under the 1933 Act or the 1934 Act, such number of copies of the
Prospectus (as amended or supplemented) as such Underwriter may reasonably
request.  If applicable, the Prospectus and any amendments or supplements
thereto furnished to the Underwriters will be identical to the electronically
transmitted copies thereof filed with the Commission pursuant to EDGAR, except
to the extent permitted by Regulation S-T.

     (h)  The Company will use its best efforts, in cooperation with the
Underwriters, to qualify the Offered Bonds for offering and sale under the
applicable securities laws of such states and other jurisdictions (domestic or
foreign) as the Underwriters may designate; provided, however, that the Company
shall not be obligated to qualify as a foreign corporation in any jurisdiction
in which it is not so qualified or subject itself to taxation in respect of
doing business in any jurisdiction in which it is not otherwise so subject.  In
each jurisdiction in which the Offered Bonds have been so qualified, the
Company will file such statements and reports as may be required by the laws of
such jurisdiction to continue such qualification in effect for so long as may
be required in connection with distribution of the Offered Bonds.

     (i)  The Company will use the net proceeds received by it from the sale 
of the Offered Bonds in the manner specified in the Prospectus under "Use of
Proceeds".
        
     (j)  If, at the time that the Registration Statement became (or in the 
case of a post-effective amendment becomes) effective, any information shall
have been omitted therefrom in reliance upon Rule 434 of the 1933 Act
Regulations, then immediately  following the execution of this Agreement, the
Company will prepare, and file or transmit for filing with the Commission in
accordance with such Rule 434 and Rule 424(b) of the 1933 Act Regulations,
copies of an amended Prospectus, or Term Sheet, containing all information so
omitted.
        
     (k)  If the Company elects to rely upon Rule 462(b), the Company shall 
file a Rule 462(b) Registration Statement with the Commission in compliance
with Rule 462(b) and pay the applicable fees in accordance with Rule 111 of the
1933 Act Regulations by the time confirmations are sent or given, as specified
by Rule 462(b)(2).
        
     (l)  The Company, during the period when the Prospectus is required to be
delivered under the 1933 Act, will file all documents required to be filed with
the Commission pursuant to 







                                    -14-
<PAGE>   15


the 1934 Act within the time periods required by the 1934 Act and the 1934 Act 
Regulations.

     (m)  During a period of fifteen days from the date of the Prospectus, the
Company will not, without the prior written consent of Robert W. Baird,
directly or indirectly, issue, sell, contract to sell, grant any option for the
sale of, or otherwise transfer or dispose of any debt securities of the Company
which mature more than one year after the Closing Date and which are
substantially similar to the Offered Bonds, except for the offer by the Company
of $40,000,000 aggregate principal amount of First Mortgage Bonds designated as
Secured Medium-Notes, Series B, due May 1, 2012 and $15,000,000 aggregate
principal amount of First Mortgage Bonds designated as Secured Medium-Term
Notes, Series C, due May 1, 2017.

     (n)  None of the Company, its subsidiaries or any of their respective
directors, officers or controlling persons, will take, directly or indirectly,
any action resulting in a violation of Regulation M under the 1934 Act, or
designed to cause or result in, or that reasonably might be expected to
constitute, the stabilization or manipulation of the price of any security of
the Company to facilitate the sale or resale of the Offered Bonds.

     SECTION 4.  Payment of Expenses.  The Company will pay all expenses 
incident to the performance of its obligations under this Agreement, including,
without limitation, expenses related to the following, if incurred:  (i) the
preparation, delivery, printing and filing of the Registration Statement and
Prospectus as originally filed (including financial statements and exhibits)
and of each amendment thereto; (ii) the printing and delivery to the
Underwriters of this Agreement, any Agreement among Underwriters, the Indenture
and such other documents as may be required in connection with the offering, 
purchase, sale and delivery of the Offered Bonds; (iii) the preparation, 
issuance and delivery of the certificates for the Offered Bonds to the
Underwriters; (iv) all costs, taxes and expenses incident to the issue and
delivery of the Offered Bonds to the Underwriters; (v) the fees, expenses and
disbursements of the Company's counsel, accountants and other advisors; (vi)
the qualification of the Offered Bonds under securities laws in accordance with
the provisions of Section 3(h), including filing fees and the fees, expenses
and disbursements of counsel for the Underwriters in connection therewith and
in connection with the preparation of the Blue Sky Survey, any supplement
thereto and any Legal Investment Survey; (vii) the printing and delivery to the
Underwriters of copies of the Registration Statement as originally filed and of
each amendment thereto, of each preliminary prospectus, any Term Sheet and of
the Prospectus and any amendments or supplements thereto; (viii) the printing
and delivery to the Underwriters of copies of the Blue Sky Survey, any
supplement thereto and any Legal Investment Survey; (ix) the fees and expenses
of the Trustees, including the fees, expenses 
        






                                    -15-
<PAGE>   16


and disbursements of counsel for the Trustees in connection with the Indenture 
and the Offered Bonds; and (x) any fees payable in connection with the rating 
of the Offered Bonds by nationally recognized statistical rating organizations.

          If this Agreement is terminated by the Underwriters in accordance 
with the provisions of Section 5 or Section 9(a)(i) hereof, the Company shall
reimburse the Underwriters for all of its out-of-pocket expenses, including the
reasonable fees, expenses and disbursements of LeBoeuf, Lamb, Greene & MacRae,
L.L.P., counsel for the Underwriters.
        
     SECTION 5.  Conditions of Underwriters' Obligation.  The obligations of the
several Underwriters to purchase and pay for the Offered Bonds pursuant to this
Agreement are subject to the accuracy of the representations and warranties of
the Company herein contained or in certificates of any officer of the Company
or any subsidiary delivered pursuant to the provisions hereof, to the
performance by the Company of its obligations hereunder, and to the following
further conditions:

     (a)  The Registration Statement, including any Rule 462(b) Registration
Statement, shall have become effective under the 1933 Act not later than 5:30 
p.m., New York City time, on the date hereof, and on the date hereof and at the
Closing Date, no stop order suspending the effectiveness of the Registration
Statement or any part thereof shall have been issued under the 1933 Act or
proceedings therefor initiated or threatened by the Commission, and any request
on the part of the Commission for additional information shall have been
complied with to the satisfaction of counsel to the Underwriters.  A prospectus
containing information relating to the description of the Offered Bonds, the
specific method of distribution and similar matters shall have been filed with
the Commission in accordance with Rule 424(b)(1), (2), (3), (4) or (5), as
applicable, or, if the Company has elected to rely upon Rule 434 of the 1933
Act Regulations, a Term Sheet including the Rule 434 Information shall have
been filed with the Commission in accordance with Rule 424(b)(7).
        
     (b)  At the Closing Date, the Underwriters shall have received:

          (1)  The favorable opinion, dated as of the Closing Date, of Susan 
K. McNish, Vice President, General Counsel and Secretary of the Company, in 
form and substance satisfactory to counsel for the Underwriters, 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 Michigan, with corporate power and authority to own, lease and operate
      its properties and to conduct its business as presently conducted and as 
      described 
      








                                    -16-
<PAGE>   17


      in the Prospectus and to enter into and perform its obligations
      under, or as contemplated under, this Agreement.

                (ii)  The Company is duly qualified as a foreign corporation to
      transact business and is in good standing in each jurisdiction in which 
      such qualification is required, whether by reason of the ownership or 
      leasing of property or the conduct of business, except where the failure 
      so to qualify or to be in good standing would not have a Material Adverse
      Effect.

                (iii) The Company has an authorized capitalization as set forth
      in the Prospectus, and all of the shares of issued and outstanding 
      capital stock of the Company have been duly authorized and validly issued
      and is fully paid and non-assessable.  None of such shares of capital 
      stock were issued in violation of preemptive or other similar rights 
      arising by operation of law, under the charter or by-laws of the Company 
      or under any agreement to which the Company or any of its subsidiaries is
      a party, or otherwise.

                (iv)  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, has the corporate power and 
      authority to own, lease and operate its properties and to conduct its 
      business as presently conducted and as described in the Prospectus, and 
      is duly qualified as a foreign corporation to transact business and is in
      good standing in each jurisdiction in which such qualification is 
      required, whether by reason of the ownership or leasing of property or 
      the conduct of business, except where the failure to so qualify or be in 
      good standing would not have a Material Adverse Effect.  Except as 
      otherwise stated in the Registration Statement and the Prospectus, all of
      the issued and outstanding shares of capital stock of each such 
      subsidiary of the Company has been duly authorized and validly issued, is
      fully paid and non-assessable and all such shares are owned by the 
      Company, directly or through its subsidiaries, free and clear of any 
      security interest, mortgage, pledge, lien, encumbrance, claim or equity.

                (v)   to the best of such counsel's knowledge, neither the 
      Company nor any of its subsidiaries is in violation of its charter or by-
      laws and no default by the Company or any subsidiary exists in the due 
      performance or observance of any material obligation, agreement, covenant
      or condition contained in any contract, indenture, mortgage, deed of 
      trust, note, lease, loan agreement or other agreement or instrument to 
      which the Company or any of its subsidiaries is a party or by which any 
      of them may be 






                                    -17-
<PAGE>   18


      bound, or to which any of the properties or assets of the Company or any 
      of its subsidiaries is subject.

                (vi)  The Company meets the registrant requirements for use of 
      Form S-3 under the 1933 Act Regulations.

                (vii) The issuance and sale of the Offered Bonds, the 
      compliance by the Company with all of the provisions of the Offered 
      Bonds, the execution, delivery and performance by the Company of this 
      Agreement, the Indenture and the Offered Bonds and any other agreement or
      instrument entered into or issued or to be entered into or issued by the 
      Company in connection with the transactions contemplated hereby or 
      thereby or in the Prospectus, and the consummation of the transactions 
      contemplated herein and therein and compliance by the Company with its 
      obligations hereunder and thereunder have been duly authorized by all 
      necessary corporate action and do not and will not conflict with or 
      result in a breach of any of the terms or provisions of, or constitute a 
      default under or require the consent of any party under, or result in the
      creation or imposition of any lien on the properties or assets of the
      Company or any of its subsidiaries pursuant to, any contract, indenture,
      mortgage, deed of trust, note, lease, agreement or other instrument to
      which the Company or any of its subsidiaries is a party or by which any
      of them may be bound, nor will such action result in any violation of the
      provisions of the charter or by-laws of the Company and its subsidiaries
      or any applicable law, rule or regulation or any judgment, order or
      decree of any government, governmental instrumentality or court, domestic
      or foreign, having jurisdiction over the Company or any of its
      subsidiaries or any of their respective   properties or assets.
        
                (viii)  No filing with, or authorization, approval, consent, 
      license, order, registration or qualification or decree of, any court or
      governmental authority or agency is necessary or required for the
      performance by the Company of its obligations hereunder, in connection
      with the offering, issuance or sale of the Offered Bonds or the
      consummation of the transactions contemplated by this Agreement or the
      Indenture, except such as have been already obtained or as may be
      required under state or foreign securities or blue sky laws.

                (ix)    All descriptions in the Prospectus of contracts and 
      other documents to which the Company or its subsidiaries are a party are
      accurate in all material respects; to the best of such counsel's
      knowledge and information, there are no franchises, contracts,
      indentures, mortgages, agreements, notes, leases or other instruments
      required to be described or referred to or incorporated by reference in
      the Registration Statement or to be filed as exhibits thereto other than
      those described or referred to or incorporated by 
        







                                    -18-
<PAGE>   19


      reference therein or filed as exhibits thereto, and the descriptions
      thereof or references thereto are correct in all material respects; and
      no default exists in the due performance or observance of any material
      obligation, agreement, covenant or condition contained in any contract,
      indenture, mortgage, agreement, note, lease or other instrument so
      described, referred to, filed or incorporated by reference.
        
                (x)     The Company and its subsidiaries possess all licenses, 
      franchises, permits, certificates, authorizations, approvals, consents,
      orders and other operating rights from the Federal Energy Regulatory
      Commission, the State of Michigan and all governmental authorities or
      agencies necessary for the ownership or lease of the material properties
      owned or leased by each of them and for the operation of the business
      carried on by each of them, except where the failure to so comply would
      not, singly or in the aggregate, result in a Material Adverse Effect; all
      such licenses, franchises, permits, certificates, authorizations,
      approvals, consents and orders are in full force and effect and contain
      no unduly burdensome provisions that would interfere with the conduct of
      the business of the Company and its subsidiaries, considered as one
      enterprise and, except as otherwise set forth in the Registration
      Statement or the Prospectus, there are no legal or governmental
      proceedings pending or threatened that would result in a material
      modification, suspension or revocation thereof.
        
                (xi)    To the best of such counsel's knowledge, there is no 
      action, suit, proceeding, inquiry or investigation before or brought by
      any court or governmental agency or body, domestic or foreign, pending or
      threatened against or affecting the Company or any of its subsidiaries 
      which is required to be disclosed in the Registration Statement and the
      Prospectus (other than as stated therein), or which might reasonably be
      expected to result in a Material Adverse Effect, or which might be
      reasonably expected to materially and adversely affect the properties,
      assets or operations thereof or the consummation of this Agreement, the
      Indenture or the transactions contemplated herein or therein.  The
      aggregate of all pending legal or governmental proceedings to which the
      Company or any of its subsidiaries is a party or of which any of their
      respective properties, assets or operations is the subject which are not
      described in the Registration Statement and the Prospectus, including
      ordinary routine litigation incidental to the business, could not
      reasonably be expected to result in a Material Adverse Effect.





                                    -19-
<PAGE>   20

        
                (xii)  The Company and its subsidiaries have good and 
      marketable title to all personal property owned by them, free and clear
      of all liens, encumbrances and defects except the liens of the Indenture
      and such liens, encumbrances and defects 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 and its subsidiaries;
      and any real property and buildings held under lease by the Company and
      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 and its subsidiaries;
        
                (xiii)  The information in the Prospectus under the captions 
      "Summary," "The Company," "Capitalization at March 31, 1997," "Use of
      Proceeds," "Description of the Offered Bonds" and "Description of the New
      Bonds", to the extent that they involve matters of law, summaries of
      legal matters, documents or proceedings, or legal conclusions, has been
      reviewed by such counsel and is correct in all material respects.
        
                (xiv)   The Offered Bonds and the Indenture conform in all 
      material respects to the descriptions thereof contained in the Prospectus.

                (xv)    The Registration Statement, including any Rule 462(b) 
      Registration Statement, is effective under the 1933 Act; any required
      filing of the Prospectus pursuant to Rule 424(b) has been made in the
      manner and within the time period required by Rule 424(b); and no stop
      order suspending the effectiveness of the Registration Statement has been
      issued under the 1933 Act or proceedings therefor initiated, to the best
      of such counsel's knowledge, or threatened by the Commission.
        
                (xvi)   The Registration Statement, including any Rule 462(b) 
      Registration Statement and the Prospectus, and each amendment or
      supplement thereto (other than the financial statements and the notes
      thereto, the financial schedules and any other financial data included or
      incorporated by reference therein, or the exhibits to the Registration
      Statement, including any Form T-1, as to which no opinion need be
      rendered), as of their respective effective or issue dates, or when
      amended, as appropriate, complied as to form in all material respects
      with the requirements of the 1933 Act and the 1933 Act Regulations.
        
                (xvii)  Each of the documents incorporated by reference in the 
      Registration Statement or the Prospectus at the time they were filed or
      last amended (other than the financial statements and the notes thereto,
      the financial     





                                    -20-
<PAGE>   21


      schedules, and any other financial data included or incorporated by
      reference therein, as to which such counsel need express no belief),
      complied as to form in all material respects with the requirements of the
      1934 Act and the 1934 Act Regulations, as applicable; 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 1933
      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 not misleading, and, in the case of other documents
      which were filed under the 1934 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 not misleading.
        
                (xviii)  Except as to property acquired subsequent to the date 
      of execution of the Thirty-fourth Supplemental Indenture, the Company has
      good and marketable title to the property specifically or generally
      described in the Indenture (except such property as may have been
      disposed of or released from the lien thereof in accordance with the
      terms thereof) subject only to the lien of the Indenture, to permitted
      liens, as defined in the Indenture, as to property acquired by the
      Company subsequent to the execution of the Original Indenture, to any
      liens existing thereon or purchase money liens placed thereon at the time
      of such acquisition as permitted by the Indenture, and to certain other
      reservations, rights of grantors under revocable permits, easements,
      licenses, zoning laws and ordinances and restrictions and minor defects
      or irregularities of title which do not, in the opinion of such counsel,
      materially impair the use of the property affected thereby in the
      operation of the business of the Company; the pipeline, distribution main
      and underground gas storage easements enjoyed by the Company and its
      subsidiaries are valid, subsisting and enforceable easements with such
      exceptions as are not material and do not interfere with the conduct of
      the business of the Company and its subsidiaries.
        
                (xix)    The Indenture constitutes a legally valid and direct 
      enforceable first mortgage lien, except as the same may be limited by the
      laws of the State of Michigan (where the property covered thereby is
      located) affecting the remedies for the enforcement of the security
      provided for therein, which laws do not, in the opinion of such counsel,
      make inadequate the remedies necessary for the realization of the
      benefits of such security, or as the same may be limited by the
      Bankruptcy Exceptions, upon substantially all of the Company's properties
      and franchises, now owned or hereafter acquired, free from all prior
      liens, charges or encumbrances other than the lien of 
        






                                    -21-
<PAGE>   22


      the Indenture, permitted liens, as defined in the Indenture, as to
      property acquired by the Company subsequent to the execution of the
      Original Indenture, any liens existing thereof or purchase money liens
      placed thereon at the time of such acquisition as permitted by the
      grantors under revocable permits, easements, licenses, zoning laws and
      ordinances and restrictions and minor defects or irregularities of title 
      which do not, in the opinion of such counsel, materially impair the use 
      of the property affected thereby in the operation of the business of the 
      Company.

                (xx)     The Indenture has been duly authorized, executed and 
      delivered by the Company and assuming due authorization, execution and 
      delivery thereof by the Trustees, constitutes a legal, valid and binding
      obligation of the Company, enforceable against the Company in accordance
      with its terms, except to the extent that enforcement thereof may be
      limited by the Bankruptcy Exceptions; the Indenture has been duly
      qualified under the 1939 Act.
        
                (xxi)    All taxes and fees required to be paid by the laws of 
      the State of Michigan and jurisdictional subdivisions thereof with
      respect to the execution of the Indenture and the issuance of the Offered
      Bonds have been paid.
        
                (xxii)   The Offered Bonds have been duly authorized by the 
      Company for issuance and sale pursuant to this Agreement and, when issued
      and authenticated in the manner provided for in the Indenture and
      delivered against payment of the consideration therefor specified in this
      Agreement, will constitute legal, valid and binding obligations of the
      Company, enforceable against the Company in accordance with their terms,
      except to the extent that enforcement thereof may be limited by the
      Bankruptcy Exceptions.  The Offered Bonds are in the form contemplated
      by, and entitled to the benefits of, the Indenture.
        
                (xxiii)  This Agreement has been duly authorized, executed and 
      delivered by the Company.

                (xxiv)   The Company is a "subsidiary company" of a "holding 
      company" as such terms are defined in the 1935 Act, and such "holding
      company" and the Company are presently exempt from the provisions of the
      1935 Act (except Section 9 thereof).
        
                (xxv)    None of the Company or any of its subsidiaries is an 
      "investment company" or under the "control" of an "investment company" as
      such terms are defined in the 1940 Act.







                                    -22-
<PAGE>   23



                (xxvi)   The Company has complied with, and is and will be in 
      compliance with, the provisions of the Cuba Act or is exempt therefrom.

      Moreover, such counsel shall confirm that nothing has come to such
      counsel's attention that would lead such counsel to believe that the
      Registration Statement, including any information provided pursuant to
      Rule 434 (except for financial statements and the notes thereto, the
      financial schedules and any other financial data included or incorporated
      by reference therein, as to which counsel need express no opinion), at
      the time it became effective or at the date of the Prospectus Supplement,
      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 not misleading or that the Prospectus (except for
      financial statements and the notes thereto, the financial schedules, and
      any other financial data included or incorporated by reference therein,
      as to which counsel need express no opinion), at the date of the
      Prospectus Supplement (unless the term "Prospectus" refers to a
      prospectus which has been provided to the Underwriters by the Company for
      use in connection with the offering of the Offered Bonds which differs
      from the Prospectus on file at the Commission at the time the
      Registration Statement became effective, in which case at the time it is
      first provided to the Underwriters for such use) or at the Closing Date,
      included (or includes) an untrue statement of a material fact or omitted
      or omits to state a material fact necessary in order to make the
      statements therein, in the light of the circumstances under which they
      were made, not misleading.

             (2)   The favorable opinion, dated as of then Closing Time, of 
LeBoeuf, Lamb, Greene & MacRae, L.L.P., counsel for the Underwriters, in form
and substance satisfactory to the Underwriters, with respect to the issuance
and sale of the Offered Bonds, the Indenture, the Registration Statement, the
Prospectus and other related matters as the Underwriters may reasonably
require, and the Company shall have furnished to such counsel such documents as
they request for the purpose of enabling them to pass upon such matters.  In 
giving its opinion, LeBoeuf, Lamb, Greene & MacRae, L.L.P. may rely as to
certain matters of Michigan law upon the opinion of Susan K. McNish, which
shall be delivered in accordance with Section 5(b)(1) hereof.
        
      (c)    Between the date of this Agreement and prior to the Closing Date, 
no material adverse change shall have occurred in the condition, financial or
otherwise, or in the earnings, business affairs or business prospects of the
Company and its subsidiaries, considered as one enterprise, whether or not in
the ordinary course of business.








                                    -23-
<PAGE>   24

        
      (d)    At the Closing Date, the Underwriters shall have received a 
certificate of the President or a Vice-President of the Company and of the
Chief Financial Officer or Chief Accounting Officer of the Company and dated as
of the Closing Time, to the effect that (i) there has been no material adverse
change in the condition, financial or otherwise, or in the earnings, business
affairs or business prospects of the Company and its subsidiaries considered as
one enterprise, whether or not in the ordinary course of business, (ii) the
representations and warranties in Section 1 hereof are true and correct as
though expressly made at and as of the Closing Date, (iii) the Company has
complied with all agreements and satisfied all conditions on their part to be
performed or satisfied at or prior to the Closing Date, and (iv) no stop order
suspending the effectiveness of the Registration Statement has been issued and
no proceedings for that purpose have been initiated or threatened by the
Commission.
        
      (e)    At the time of the execution of this Agreement, the Underwriters 
shall have received from Deloitte & Touche LLP a letter dated such date in form
and substance satisfactory to the Underwriters, to the effect set forth below
and as to such other matters as the Underwriters may reasonably request, that:
        
           (i)   They are independent certified public accountants with respect
      to the Company and its subsidiaries within the meaning of the 1933 Act
      and the 1933 Act Regulations;

           (ii)  In their opinion, the consolidated financial statements and
      any financial statement schedules audited by them and included or 
      incorporated by reference in the Registration Statement and to Prospectus
      as amended or supplemented comply as to form in all material respects
      with the applicable accounting requirements of the 1933 Act and the 1933
      Act Regulations and the 1934 Act and the 1934 Act Regulations;
        
           (iii)  On the basis of limited procedures, not constituting an audit
      in accordance with generally accepted auditing standards, including a
      review in accordance with standards established by the American Institute
      of Certified Public Accountants of the unaudited condensed consolidated
      financial statements included in the Company's Quarterly Reports on Form
      10-Q incorporated by reference in the Registration Statement and the
      Prospectus as amended or supplemented for the periods specified in such
      letter, a reading of the latest available unaudited interim consolidated
      financial statements of the Company and its subsidiaries, a reading of
      the minutes of the Company and its subsidiaries since the audited
      consolidated financial statements set forth in the Company's Annual
      Report on Form 10-K for the most recent year, inquiries of officials of
      the Company and its subsidiaries responsible for financial and 





                                    -24-
<PAGE>   25


      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:
        
                 (A) the unaudited condensed consolidated financial statements
            set forth in the Company's Quarterly Reports on Form 10-Q
            incorporated by reference in the Registration Statement and the
            Prospectus as amended or supplemented do not comply as to form in
            all material respects with the applicable accounting requirements
            of the 1934 Act and the 1934 Act Regulations as they apply to Form
            10-Q or any material modifications should be made for them to be in
            conformity with generally accepted accounting principles applied on
            a basis substantially consistent with that of the audited
            consolidated financial statements set forth in the Company's Annual
            Report on Form 10-K for the most recent year ended incorporated by
            reference in the Registration Statement and the Prospectus as
            amended or supplemented;

                 (B) any other unaudited income statement data and balance
            sheet items included in the Prospectus as amended or supplemented
            do not agree with the corresponding items in the unaudited
            consolidated financial statements from which such data and items
            were derived;

                 (C)  any unaudited pro forma consolidated condensed financial
            statements or any unaudited pro forma consolidating financial
            statements included or incorporated by reference in the Prospectus
            as amended or supplemented do not comply as to form in all material
            respects with the applicable accounting requirements of the 1933
            Act and the 1933 Act Regulations and the 1934 Act and the 1934 Act
            Regulations or the pro forma adjustments have not been properly
            applied to the historical amounts in the compilation of those
            statements;

                 (D) as of a specified date not more than five days prior to
            the date of this Agreement, there has been any decrease or increase
            in the capital stock or any increase or decrease in long-term debt
            including capital lease obligations and current maturities (except
            for sinking fund and installment requirements under their long-term
            debt agreements and purchases in the open market in anticipation
            thereof) or any increase in short-term debt, or any decrease in
            consolidated common shareholders' equity of the Company and its
            consolidated subsidiaries (other than periodic dividends declared
            to shareholders), in each case as compared with the corresponding
            amounts shown in the 





                                    -25-
<PAGE>   26


            latest consolidated statement of financial position of the Company
            and its subsidiaries incorporated by reference in the Registration
            Statement and the Prospectus as amended or supplemented, except in
            each case for increases or decreases which the Prospectus as
            amended or supplemented, including financial information
            incorporated by reference, discloses have occurred or may occur or
            which are described in such letter; and
                
                 (E) for the period from the date of the latest consolidated 
            financial statements included or incorporated by reference in the
            Prospectus as amended or supplemented to the end of the latest
            period for which unaudited condensed consolidated financial
            statements or financial information are available, there were any
            decreases in consolidated operating revenues, operating income, net
            income or earnings available for Common Stock of the Company and
            its consolidated subsidiaries, or any increases in any items
            specified by the Underwriters, in each case as compared with the
            corresponding period in 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
            as amended or supplemented, including financial information
            incorporated by reference, discloses have occurred or may occur or
            which are described in such letter; and
        
                 (F) the unaudited consolidated financial statements referred
            to in Clause (E) are not stated on a basis substantially consistent
            with the audited consolidated financial statements incorporated by
            reference in the Registration Statement and the Prospectus as
            amended or supplemented.

           (iv)  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
      as amended or supplemented and included or incorporated by reference in
      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;

           (v) In addition to the limited procedures, reading of minutes,
      inquiries and other procedures referred to in clause (iii) and (iv)
      above, they have carried out certain other specified procedures, not
      constituting an audit in accordance with generally accepted auditing
      standards, with


                                      -26-
                                        

<PAGE>   27


      respect to certain amounts, percentages and financial information which
      are derived from the general accounting and financial records of the
      Company and its subsidiaries, which appear in the Prospectus as amended
      or supplemented and the Registration Statement, in the Company's Annual
      Report on Form 10-K for the latest year ended and in the Company's
      Quarterly Reports on Form 10-Q since the latest Annual Report on Form
      10-K and which are specified by the Underwriters, and have compared
      certain of such amounts, percentages and financial information with the
      accounting and financial records of the Company and its subsidiaries and
      have found them to be in agreement; and

           (vi)  If applicable and agreed to by the parties, they have made a
      review in accordance with standards established by the American Institute
      of Certified Public Accountants of the selected financial data, pro forma
      financial information, prospective financial statements, consolidating
      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 Representatives.

      (f)  At the Closing Date, the Underwriters shall have received from 
Deloitte & Touche LLP a letter, dated as of the Closing Date, to the effect
that they reaffirm the statements made in the letter furnished pursuant to
subsection (e) of this Section, except that the specified date referred to
shall be a date not more than three business days prior to the Closing Date.
        
      (g)  At the Closing Date, the Offered Bonds shall be rated in one of the 
four highest rating categories for long term debt securities ("Investment
Grade") by any nationally recognized statistical rating agency, and the Company
shall have delivered to the Underwriters a letter, dated the Closing Date, from
such nationally recognized statistical rating agency, or other evidence
satisfactory to the Underwriters, confirming that the  Offered Bonds have
Investment Grade ratings; and there shall not have occurred any decrease in the
ratings of any of the securities of the Company or of the Offered Bonds by any
"nationally recognized statistical rating organization" (as defined for
purposes of Rule 436(g) under the 1933 Act Regulations) and such organization 
shall not have publicly announced that it has under surveillance or review, 
with possible negative implications, its rating of any of the securities of the
Company or of the Offered Bonds.

      (h)  At the Closing Date, counsel for the Underwriters shall have been
furnished with such documents and opinions as they may require for the purpose
of enabling them to pass upon the issuance and sale of the Offered Bonds as
herein contemplated, or in order to evidence the accuracy of any of the
representations 







                                    -27-
<PAGE>   28


or warranties, of the fulfillment of any of the conditions herein contained;
and all proceedings taken by the Company in connection with the issuance and
sale of the Offered Bonds as herein contemplated shall be satisfactory in form
and substance to the Underwriters and counsel for the Underwriters.
        
      (i)  If any condition specified in this Section 5 shall not have been 
fulfilled when and as required to be fulfilled, this Agreement may be
terminated by the Underwriters by notice to the Company at any time at or prior
to the Closing Date, and such termination shall be without liability of any
party to any other party except as provided in Section 4, and except that
Sections 1, 6, 7 and 8 shall survive any such termination and remain in full
force and effect.
        
     SECTION 6.  Indemnification.
                 ---------------

      (a)  The Company agrees to indemnify and hold harmless each Underwriter 
and each person, if any, who controls any Underwriter within the meaning of
Section 15 of the 1933 Act or Section 20 of the 1934 Act as follows:
        
                 (i)  against any and all loss, liability, claim, damage and 
     expense whatsoever, as incurred, arising out of any untrue statement or
     alleged untrue statement of a material fact contained in the Registration
     Statement (or any amendment thereto), including the Rule 430A Information
     and the Rule 434 Information, if applicable, or the omission or alleged
     omission therefrom of a material fact required to be stated therein or
     necessary to make the statements therein not misleading or arising out of
     any untrue statement or alleged untrue statement of a material fact
     contained in any preliminary prospectus or the Prospectus (or any 
     amendment or supplement thereto), or the omission or alleged omission 
     therefrom of a material fact necessary in order to make the statements 
     therein, in the light of the circumstances under which they were made, 
     not misleading;

                 (ii) against any and all loss, liability, claim, damage and 
     expense whatsoever, as incurred, to the extent of the aggregate amount
     paid in settlement of any litigation, or any investigation or proceeding
     by any governmental agency or body, commenced or threatened, or of any
     claim whatsoever based upon any such untrue statement or omission, or any
     such alleged untrue statement or omission; provided, that (subject to
     Section 6(d) below) any such settlement is effected with the written
     consent of the Company; and 

                (iii) against any and all expenses whatsoever, as incurred
     (including, the fees, expenses and disbursements of counsel chosen by the
     Underwriters), reasonably incurred in investigating, preparing or
     defending against any litigation, or any investigation or proceeding by
     any 






                                    -28-
<PAGE>   29


     governmental agency or body, commenced or threatened, or any claim
     whatsoever based upon any such untrue statement or omission, or any such
     alleged untrue statement or omission, to the extent that any such expense
     is not paid under (i) or (ii) above;
        
provided, however, that this indemnity agreement shall not apply to any loss,
liability, claim, damage or expense to the extent arising out of any untrue
statement or omission or alleged untrue statement or omission made in reliance
upon and in conformity with written information furnished to the Company by any
Underwriter through Robert W. Baird expressly for use in the Registration
Statement (or any amendment thereto), including the Rule 430A Information and
the Rule 434 Information, if applicable, or any preliminary prospectus or the
Prospectus (or any amendment or supplement thereto); provided, further, that
such indemnity with respect to the preliminary prospectus shall not inure to
the benefit of the Underwriters (or any person controlling such Underwriters)
from whom the person asserting any such loss, liability, claim, damage or
expense purchased any of the Offered Bonds which are the subject thereof if
such person did not receive a copy of the Prospectus (or the Prospectus as
amended or supplemented) (in each case exclusive of the documents from which
information is incorporated by reference) at or prior to the written
confirmation of the sale of such Offered Bonds to such person in any case where
the Company complied with its obligations under Sections 3(c) and 3(g) hereof
and any such untrue statement or omission or alleged untrue statement or
omission of a material fact contained in such preliminary prospectus (or any
amendment or supplement thereto) was corrected in the Prospectus (or the
Prospectus as amended or supplemented).

     (b)  Each Underwriter severally agrees to indemnify and hold harmless the
Company, its directors, each of its officers who signed the Registration
Statement, and each person, if any, who controls the Company within the meaning
of Section 15 of the 1933 Act or Section 20 of the 1934 Act against any and all
loss, liability, claim, damage and expense described in the indemnity contained
in subsection (a) of this Section, as incurred, but only with respect to untrue
statements or omissions, or alleged untrue statements or omissions, made in the
Registration Statement (or any amendment thereto), including the Rule 430A
Information and the Rule 434 Information, if applicable, or any preliminary
prospectus or the Prospectus (or any amendment or supplement thereto) in
reliance upon and in conformity with written information furnished to the
Company by such Underwriter through Robert W. Baird expressly for use in the
Registration Statement (or any amendment thereto) or such preliminary
prospectus or the Prospectus (or any amendment or supplement thereto).

     (c)  Each indemnified party shall give notice as promptly as reasonably
practicable to each indemnifying party of any action commenced against it in
respect of which indemnity may be sought 







                                    -29-
<PAGE>   30


hereunder, but failure to so notify an indemnifying party shall not relieve
such indemnifying party from any liability hereunder to the extent it is not
materially prejudiced as a result thereof and in any event shall not relieve it
from any liability which it may have otherwise than on account of this
indemnity agreement.  In the case of parties indemnified pursuant to Section
6(a) above, counsel to the indemnified parties shall be selected by the
Underwriters, and, in the case of parties indemnified pursuant to Section 6(b)
above, counsel to the indemnified parties shall be selected by the Company.  An
indemnifying party may participate at its own expense in the defense of any
such action; provided, however, that counsel to the indemnifying party shall
not (except with the consent of the indemnified party) also be counsel to the 
indemnified party.  In no event shall the indemnifying parties be liable for
fees and expenses of more than one counsel (in addition to any local counsel)
separate from their own counsel for all indemnified parties in connection with
any one action or separate but similar or related actions in the same
jurisdiction arising out of the same general allegations or circumstances.  No
indemnifying party shall, without the prior written consent of the indemnified
parties, settle or compromise or consent to the entry of any judgment with
respect to any litigation, or any investigation or proceeding by any
governmental agency or body, commenced or threatened, or any claim whatsoever
in respect of which indemnification or contribution could be sought under this
Section 6 or Section 7 hereof (whether or not the indemnified parties are
actual or potential parties thereto), unless such settlement, compromise or
consent (i) includes an unconditional release of each indemnified party from
all liability arising out of such litigation, investigation, proceeding or
claim and (ii) does not include a statement as to or an admission of fault,
culpability or a failure to act by or on behalf of any indemnified party.
        
     (d)  If at any time an indemnified party shall have requested an 
indemnifying party to reimburse the indemnified party for fees and expenses of
counsel, such indemnifying party agrees that it shall be liable for any
settlement of the nature contemplated by Section 6(a)(ii) effected without its
written consent if (i) such settlement is entered into more than 45 days after
receipt by such indemnifying party of the aforesaid request, (ii) such
indemnifying party shall have received notice of the terms of such settlement
at least 30 days prior to such settlement being entered into and (iii) such
indemnifying party shall not have reimbursed such indemnified party in
accordance with such request prior to the date of such settlement.
        
     SECTION 7.  Contribution.  If the indemnification provided for in Section 6
hereof is for any reason unavailable to or insufficient to hold harmless an
indemnified party in respect of any losses, liabilities, claims, damages or
expenses referred to therein, then each indemnifying party shall contribute to
the aggregate amount of such losses, liabilities, claims, damages and 





                                    -30-
<PAGE>   31


expenses incurred by such indemnified party, as incurred, (i) 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 hand from the
offering of the Offered  Bonds pursuant to this Agreement or (ii) if the
allocation provided by clause (i) is not permitted by applicable law, in such
proportion as is appropriate to reflect not only the relative benefits referred
to in clause (i) above but also the relative fault of the Company on the one
hand, and the Underwriters on the other hand in connection with the statements
or omissions which resulted in such losses, liabilities, claims, damages or
expenses, 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 hand in connection with the offering of the Offered
Bonds pursuant to this Agreement shall be deemed to be in the same respective
proportions as the total net proceeds from the offering of such Offered Bonds
pursuant to this Agreement (before deducting expenses) received by the Company
and the total underwriting discount received by the Underwriters, in each case
as set forth on the cover of the Prospectus, or, if Rule 434 is used, the
corresponding location on the Term Sheet, bear to the aggregate initial public
offering price of such Securities as set forth on such cover.

     The relative fault of the Company on the one hand and the Underwriters on
the other hand shall be determined by reference to, among other things, whether
any such untrue or alleged untrue statement of a material fact or omission or
alleged omission to state a material fact relates to information supplied by
the Company or by the Underwriters 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 contribution pursuant to this Section 7 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 Section 7.  The
aggregate amount of losses, liabilities, claims, damages and expenses incurred
by an indemnified party and referred to above in this Section 7 shall be deemed
to include any legal or other expenses reasonably incurred by such indemnified
party in investigating, preparing or defending against any litigation, or any 
investigation or proceeding by any governmental agency or body, commenced or 
threatened, or any claim whatsoever based upon any such untrue or alleged 
untrue statement or omission or alleged omission.

     Notwithstanding the provisions of this Section 7, no Underwriter shall be
required to contribute any amount in excess 








                                    -31-
<PAGE>   32


of the amount by which the total price at which the Offered Bonds 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 any 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 1933 Act) shall be entitled to contribution from any
person who was not guilty of such fraudulent misrepresentation.

     For purposes of this Section 7, each person, if any, who controls an
Underwriter within the meaning of Section 15 of the 1933 Act or Section 20 of
the 1934 Act shall have the same rights to contribution as such Underwriter,
and each director of the Company, each officer of the Company who signed the
Registration Statement, and each person, if any, who controls the Company
within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act
shall have the same rights to contribution as the Company.  The Underwriters'
respective obligations to contribute pursuant to this Section 7 are several in
proportion to the number or aggregate principal amount, as the case may be, of
Offered Bonds set forth opposite their respective names in Schedule II hereto,
and not joint.

     SECTION 8.  Representations, Warranties and Agreements to Survive Delivery.
All representations, warranties and agreements contained in this Agreement, or
contained in certificates of officers of the Company submitted pursuant hereto,
shall remain operative and in full force and effect, regardless of any
investigation made by or on behalf of any Underwriter or controlling person, or
by or on behalf of the Company, and shall survive delivery of and payment for
the Offered Bonds to the Underwriters.

     SECTION 9.  Termination of Agreement.

     (a)  The Underwriters may terminate this Agreement, by notice to the 
Company at any time at or prior to the Closing Date, if (i) there has been,
since the date of this Agreement or since the respective dates as of which
information is given in the Registration Statement, any material adverse change
or any development which could reasonably be expected to result in a
prospective material adverse change, financial or otherwise, or in the
earnings, business affairs or business prospects of the Company and its
subsidiaries considered as one enterprise, whether or not arising in the
ordinary course of business, or (ii) there has occurred any material adverse
change in the financial markets in the United States or any outbreak of
hostilities or escalation of hostilities or other calamity or crisis, or any
change or development involving a prospective change in national or
international political, financial or
        







                                    -32-
<PAGE>   33


economic conditions the effect of which is such as to make it, in the judgment
of the Underwriters, impracticable to market the Offered Bonds or to enforce
contracts for the sale of the Offered Bonds, or (iii) if trading in any
securities of the Company has been suspended or limited by the Commission, NASD
or the New York Stock Exchange, or if trading generally on either the American
Stock Exchange, the New York Stock Exchange or in the over-the-counter market
has been suspended or limited, or minimum or maximum prices for trading have
been fixed, or maximum ranges for prices for securities have been required, by
either of said exchanges or by such system or by order of the Commission, NASD
or any other governmental authority, or (iv) if a banking moratorium has been
declared by either Federal, New York or Michigan authorities.

     (b)  If this Agreement is terminated pursuant to this Section 9, such
termination shall be without liability of any party to any other party except
as provided in Section 4, and provided, further, that Sections 1, 6, 7 and 8
shall survive such termination and remain in full force and effect.

     SECTION 10.  Default by One or More of the Underwriters.  If one or more of
the Underwriters shall fail on the Closing Date to purchase the Offered Bonds
which it or they are obligated to purchase under this Agreement (the "Defaulted
Securities"), the Underwriters shall have the right, within 24 hours
thereafter, to make arrangements for one or more of the non-defaulting 
Underwriters, or any other underwriters, to purchase all, but not less than 
all, of the Defaulted Securities in such amounts as may be agreed upon and upon
the terms herein set forth; if, however, the Underwriters shall not have
completed such arrangements within such 24-hour period, then this Agreement
shall terminate without liability on the part of any non-defaulting
Underwriter.
        
     No action taken pursuant to this Section 10 shall relieve any defaulting
Underwriter from liability in respect of its default.

     In the event of any such default which does not result in a termination of
this Agreement, either the Underwriters or the Company shall have the right to
postpone the Closing Date for a period not exceeding seven days in order to
effect any required changes in the Registration Statement or the Prospectus or
in any other documents or arrangement.

     SECTION 11.  Notices.  All notices and other communications hereunder shall
be in writing and shall be deemed to have been duly given if mailed or
transmitted by any standard form of telecommunication.  Notices to the
Underwriters shall be directed to it at the address specified in Schedule I
hereto, with a copy to LeBoeuf, Lamb, Greene & MacRae, L.L.P., 125 West 55th
Street, New York, New York 10019-5389, Attention:  William S. Lamb, Esq.;
notices to the Company shall be directed to it at Michigan 








                                    -33-
<PAGE>   34


Consolidated Gas Company, 500 Griswold Street, Detroit, Michigan 48226,
Attention of the Secretary with a copy to the Treasurer.
        
     SECTION 12.  Parties.  This Agreement shall each inure to the benefit of 
and be binding upon the Company and the Underwriters and their respective
successors.  Nothing expressed or mentioned in this Agreement is intended or
shall be construed to give any person, firm or corporation, other than the
Underwriters and the Company and their respective successors and the
controlling persons and officers and directors referred to in Sections 6 and 7
and their heirs and legal representatives, any legal or equitable right, remedy
or claim under or in respect of this Agreement or any provision herein or
therein contained.  This Agreement and all conditions and provisions hereof are
intended to be for the sole and exclusive benefit of the parties hereto and
thereto and their respective successors and legal representatives, and said 
controlling persons and officers and directors and their heirs and legal
representatives, and for the benefit of no other person, firm or corporation. 
No purchaser of Offered Bonds from any Underwriter shall be deemed to be a
successor by reason merely of such purchase.
        
     SECTION 13.  GOVERNING LAW AND TIME.  THIS AGREEMENT SHALL BE GOVERNED BY 
AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK APPLICABLE
TO AGREEMENTS MADE AND TO BE PERFORMED IN SAID STATE.  SPECIFIED TIMES OF DAY
REFER TO NEW YORK CITY TIME UNLESS OTHERWISE INDICATED.
        
     SECTION 14.  Effect of Headings.  The Article and Section headings herein 
are for convenience only and shall not affect the construction hereof.
        


                                    -34-
<PAGE>   35



     If the foregoing is in accordance with your understanding of our
agreement, please sign and return to the Company a counterpart hereof,
whereupon this instrument, along with all counterparts, shall become a binding
agreement among the Company and the several Underwriters in accordance with its
terms.


                                      Very truly yours,

                                      MICHIGAN CONSOLIDATED GAS COMPANY



                                      By: /s/ Stephen Ewing
                                         -------------------------------
                                         Name: Stephen Ewing
                                         Title:  President and Chief Executive
                                                 Officer



The foregoing Agreement is hereby
confirmed and accepted as of the
date first above written.

ROBERT W. BAIRD & CO. INCORPORATED
FIRST OF MICHIGAN CORPORATION
RONEY & CO., LLC

By:  ROBERT W. BAIRD & CO. INCORPORATED



By: /s/ Dennis S. Pordon        
   -------------------------------------
     Name:  Dennis S. Pordon
     Title: Senior Vice President

For themselves and as Representatives of the other Underwriters named in
Schedule II hereto.





                                    -35-

<PAGE>   36



                                 SCHEDULE I


UNDERWRITERS:  Robert W. Baird & Co. Incorporated
               First of Michigan Corporation
               Roney & Co., LLC



PURCHASE PRICE AND DESCRIPTION OF OFFERED BONDS:

     TITLE:    First Mortgage Bonds Designated As 7.21% Secured 
               Medium-Term Notes, Series C, due May 1, 2007

     PRINCIPAL AMOUNT:   $30,000,000

     PURCHASE PRICE:   99.25%

     INTEREST RATE:     7.21%

     INTEREST PAYMENT DATES:   February 1 and August 1 beginning
                               on August 1, 1997

     INITIAL PUBLIC OFFERING PRICE:   100%

     MATURITY:   May 1, 2007

     SINKING FUND PROVISIONS:   None

     REDEMPTION PROVISIONS:   As set forth in the Prospectus
                              Supplement dated May 15, 1997.


OTHER PROVISIONS:

     TIME AND DATE OF DELIVERY AND PAYMENT:

          TIME:  9:00 A.M. (Eastern time)

          DATE:  May 20, 1997

     PLACE OF DELIVERY AND PAYMENT:

          DELIVERY -  Robert W. Baird & Co. Incorporated
                      c/o The Depository Trust Company
                          55 Water Street
                          New York, New York  10041

          PAYMENT  -  Wire Transfer

          FUNDS    -  Same day funds







                                     -1-
<PAGE>   37


OFFICE FOR EXAMINATION OF OFFERED BONDS:

                      Robert W. Baird & Co. Incorporated
                      777 East Wisconsin Avenue
                      Milwaukee, Wisconsin 53202


ADDRESS FOR NOTICES TO THE UNDERWRITERS PURSUANT TO SECTION 11 OF UNDERWRITING
AGREEMENT:

                      Robert W. Baird & Co. Incorporated
                      777 East Wisconsin Avenue
                      Milwaukee, Wisconsin 53202



                                      -2-


<PAGE>   38





                                 SCHEDULE II
                                                            Principal Amount
              Name of Underwriter                           of Offered Bonds
              -------------------                           ----------------

Robert W. Baird & Co. Incorporated. . . . . . . . . . .     $     10,000,000

First of Michigan Corporation . . . . . . . . . . . . .           10,000,000

Roney & Co., LLC. . . . . . . . . . . . . . . . . . . .           10,000,000
                                                            ----------------
     Total. . . . . . . . . . . . . . . . . . . . . . .     $     30,000,000
                                                            ================





<PAGE>   1
                                                                    EXHIBIT 5.2

                       MICHIGAN CONSOLIDATED GAS COMPANY
                            (A MICHIGAN CORPORATION)

                              FIRST MORTGAGE BONDS


                             UNDERWRITING AGREEMENT


                                                                    May 14, 1997



Edward D. Jones & Co., L.P.
12555 Manchester Road
St. Louis, Missouri 63131

Ladies and Gentlemen:

     Michigan Consolidated Gas Company, a Michigan corporation (the "Company"),
confirms its agreement with Edward D. Jones & Co., L.P. (the "Underwriter")
with respect to the issue and sale by the Company and the purchase by the
Underwriter of the $15,000,000 aggregate principal amount of its First Mortgage
Bonds designated as 7.60% Secured Medium-Term Notes, Series C, due May 1, 2017
(the "Bonds").  The Bonds will be issued by the Company under its Indenture of
Mortgage and Deed of Trust (the "Original Indenture") dated as of March 1,
1944, under which Citibank, N.A. and Robert T. Kirchner are now the trustees
(the "Trustees"), as heretofore amended and supplemented by thirty-four
supplemental indentures, including the Twenty-ninth Supplemental Indenture
dated as of July 15, 1989 providing for the modification and restatement of the
Original Indenture which became effective on April 1, 1994 and the
Thirty-fourth Supplemental Indenture creating the series in which the Bonds are
to be issued.  The term "Indenture", as hereinafter used, means such Original
Indenture, as so amended and supplemented.  The Company proposes to sell to the
Underwriter Bonds in the aggregate principal amount and with the terms
specified in Schedule I hereto (the "Offered Bonds").

     The Company understands that the Underwriter proposes to make a public
offering of the Offered Bonds as soon as it deems advisable after this
Agreement has been executed and delivered.

     The Company has filed with the Securities and Exchange Commission (the
"Commission") a registration statement on Form S-3 (No. 333-16285) covering the
registration of the Bonds under the Securities Act of 1933, as amended (the
"1933 Act"), including the related preliminary prospectus or prospectuses, and
the offering thereof from time to time in accordance with Rule 415 of the rules
and regulations of the Commission under the 1933 Act (the "1933 Act
Regulations") and the Company has filed such post-effective amendments thereto
as may be required prior to the 



<PAGE>   2

execution of this Agreement.  Such registration statement, as so amended, has
been declared effective by the Commission.  Such registration statement, as so
amended, including the exhibits and schedules thereto, if any, and the
information, if any, deemed to be a part thereof pursuant to Rule 430A(b) of
the 1933 Act Regulations (the "Rule 430A Information") or Rule 434(d) of the
1933 Act Regulations (the "Rule 434 Information"), is referred to herein as the
"Registration Statement"; and the term "Prospectus" shall mean the final
prospectus and the prospectus supplement relating to the offering of the
Offered Bonds, in the form first furnished to the Underwriter by the Company
for use in connection with the offering of the Offered Bonds and shall also
include the form of prospectus contained within the Canadian Prospectus
(defined below) used in connection with the offering of the Offered Bonds in
Canada; provided, however, that all references to the "Registration Statement"
and the "Prospectus" shall be deemed to include all documents incorporated
therein by reference pursuant to the Securities Exchange Act of 1934, as
amended (the "1934 Act"), prior to the execution of this Agreement; provided,
further, that if the Company files a registration statement with the Commission
pursuant to Section 462(b) of the 1933 Act Regulations (the "Rule 462(b)
Registration Statement"), then after such filing, all references to
"Registration Statement" shall be deemed to include the Rule 462(b)
Registration Statement; and provided, further, that if the Company elects to
rely upon Rule 434 of the 1933 Act Regulations, then all references to
"Prospectus" shall be deemed to include the final or preliminary prospectus and
the applicable term sheet or abbreviated term sheet (the "Term Sheet"), as the
case may be, in the form first furnished to the Underwriter by the Company in
reliance upon Rule 434 of the 1933 Act Regulations, and all references in this
Agreement to the date of the Prospectus shall mean the date of the Term Sheet.
A "preliminary prospectus" shall be deemed to refer to any prospectus used
before the registration statement became effective and any prospectus that
omitted, as applicable, the Rule 430A Information, the Rule 434 Information or
other information to be included upon pricing in a form of prospectus filed
with the Commission pursuant to Rule 424(b) of the 1933 Act Regulations, that
was used after such effectiveness and prior to the execution and delivery of
this Agreement.  For purposes of this Agreement, all references to the
Registration Statement, any preliminary prospectus, the Prospectus or any Term
Sheet or any amendment or supplement to any of the foregoing shall be deemed to
include the electronically transmitted copy thereof filed with the Commission
pursuant to its Electronic Data Gathering, Analysis and Retrieval system
("EDGAR").  The term "Canadian Prospectus" as used in this Agreement shall mean
the Prospectus and any Canadian wrap-around used in connection with the
offering of the Offered Bonds in Canada.
        
     All references in this Agreement to financial statements and schedules and
other information which is "contained," "included" or "stated" in the
Registration Statement, any preliminary 


                                     -2-
<PAGE>   3

prospectus or the Prospectus (or other references of like import) shall be
deemed to mean and include all such financial statements and schedules and
other information which is incorporated by reference in the Registration
Statement, any preliminary prospectus or the Prospectus, as the case may be;
and all references in this Agreement to amendments or supplements to the
Registration Statement, any preliminary prospectus or the Prospectus shall be
deemed to mean and include the filing of any document under the 1934 Act which
is incorporated by reference in the Registration Statement, such preliminary
prospectus or the Prospectus, as the case may be.
        
     SECTION 1.  Representations and Warranties.

     (a)  The Company represents and warrants to the Underwriter that:

          (i)  No stop order suspending the effectiveness of the Registration 
Statement has been issued and no proceeding for that purpose has been initiated
or, to the knowledge of the Company, threatened by the Commission.

          (ii)  The Company meets the requirements for the use of Form S-3 
under the 1933 Act.  Each of the Registration Statement and any Rule 462(b)
Registration Statement has become effective under the 1933 Act.  At the
respective times the Registration Statement, any Rule 462(b) Registration
Statement and any post-effective amendments thereto (including the filing of
the Company's most recent Annual Report on Form 10-K with the Commission)
became effective and at the Closing Date, the Registration Statement, any Rule
462 Registration Statement and any amendments or supplements thereto complied
and will comply in all material respects with the requirements of the 1933 Act
and the 1933 Act Regulations and the 1939 Act and the rules and regulations of
the Commission under the 1939 Act (the "1939 Act Regulations") and did not 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 not misleading.  Neither the Prospectus nor any amendments and
supplements thereto, at the time the Prospectus or any amendment or supplement
was issued and at the Closing Date (as defined below), included or will include
an untrue statement of a material fact or omitted or will omit to state a
material fact necessary in order to make the statements therein, in the light
of the circumstances under which they were made, not misleading.  If the
Company elects to rely upon Rule 434 of the 1933 Act Regulations, the Company
will comply with the requirements of Rule 434.  Notwithstanding the foregoing,
the representations and warranties in this subsection shall not apply to
statements in or omissions from the Registration Statement or the Prospectus
made in reliance upon and in conformity with information furnished to the
Company in writing by the 

                                     -3-
<PAGE>   4

Underwriter expressly for use in the Registration Statement or the Prospectus.
        
     Each preliminary prospectus and prospectus filed as part of the
Registration Statement as originally filed or as part of any amendment thereto,
or filed pursuant to Rule 424 under the 1933 Act, complied as so filed in all
material respects with the 1933 Act Regulations and, if applicable, each
preliminary prospectus and the Prospectus delivered to the Underwriter for use
in connection with the offering of the Offered Bonds will, at the time of such
delivery, be identical to the electronically transmitted copies thereof filed
with the Commission pursuant to EDGAR, except to the extent permitted by
Regulation S-T.

     (iii)  The documents incorporated or deemed to be incorporated by 
reference in the Registration Statement or the Prospectus, at the time they
were or hereafter are filed or last amended, as the case may be, with the
Commission, complied and will comply in all material respects with the
requirements of the 1934 Act, and the rules and regulations of Commission
thereunder (the "1934 Act Regulations"), and at the time of filing or as of the
time of any subsequent amendment, 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
under which they were or are made, not misleading; and any additional documents
deemed to be incorporated by reference in the Registration Statement or the
Prospectus will, if and when such documents are filed with the Commission, or
when amended, as appropriate, comply in all material respects to the
requirements of the 1934 Act and the 1934 Act Regulations 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 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 the Underwriter
expressly for use in the Registration Statement or the Prospectus.
        
     (iv)  The accountants who certified the financial statements and supporting
schedules included or incorporated by reference in the Registration Statement
and the Prospectus are independent public accountants as required by the 1933
Act and the 1933 Act Regulations.

     (v)  The financial statements of the Company included or incorporated by
reference in the Registration Statement and the Prospectus, together with the
related schedules and notes, present fairly the financial position of the
Company and its consolidated subsidiaries as at the dates indicated and the
results of their operations for the periods specified.  Such financial
statements have been prepared in conformity with generally accepted accounting
principles ("GAAP") applied on a 


                                     -4-
<PAGE>   5

consistent basis throughout the periods involved.  The supporting schedules, if
any, included or incorporated by reference in the Registration Statement and
the Prospectus present fairly in accordance with GAAP the information required
to be stated therein.  The ratio of earnings to fixed charges included in the
Prospectus has been calculated in compliance with Item 503(d) of Regulation S-K
of the Commission.  The selected financial information and the summary
financial data included in the Prospectus present fairly the information shown
therein and have been compiled on a basis consistent with that of the audited
financial statements included in the Registration Statement and the Prospectus.
        
     (vi)  Since the respective dates as of which information is given in the
Registration Statement and the Prospectus, and except as otherwise stated
therein, (A) there has been no material adverse change and no development which
could reasonably be expected to result in a material adverse change in the
condition, financial or otherwise, or in the earnings, business affairs or
business prospects of the Company and its subsidiaries, considered as one
enterprise (a "Material Adverse Effect"), whether or not arising in the
ordinary course of business, (B) there have been no transactions entered into
by the Company or any of its subsidiaries, other than those arising in the
ordinary course of business, which are material with respect to the Company and
its subsidiaries, considered as one enterprise, (C) except for regular
dividends on the Company's common stock in amounts per share that are
consistent with past practice or the applicable charter document or supplement
thereto, respectively, there has been no dividend or distribution of any kind
declared, paid or made by the Company on any class of its capital stock.

     (vii)  The Company has been duly incorporated and is validly existing as a
corporation in good standing under the laws of the State of Michigan, with
corporate power and authority to own, lease and operate its properties and to
conduct its business as presently conducted and as described in the Prospectus
and to enter into and perform its obligations under, or as contemplated under,
this Agreement.  The Company is duly qualified as a foreign corporation to
transact business and is in good standing in each jurisdiction in which such
qualification is required, whether by reason of the ownership or leasing of
property or the conduct of business, except where the failure to so qualify or
be in good standing would not have a Material Adverse Effect.

     (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, has the corporate power and authority to
own, lease and operate its properties and to conduct its business as presently
conducted and as described in the Prospectus, and is duly qualified as a
foreign corporation to transact business and is in good standing 


                                     -5-
<PAGE>   6

in each jurisdiction in which such qualification is required, whether by reason
of the ownership or leasing of property or the conduct of business, except
where the failure to so qualify or be in good standing would not have a
Material Adverse Effect.  Except as otherwise stated in the Registration
Statement and the Prospectus, all of the issued and outstanding shares of
capital stock of each subsidiary of the Company have been duly authorized and
validly issued, is fully paid and non-assessable and all such shares are owned
by the Company, directly or through its subsidiaries, free and clear of any
security interest, mortgage, pledge, lien, encumbrance, claim or equity.  None
of the outstanding shares of capital stock of the subsidiaries was issued in
violation of preemptive or other similar rights arising by operation of law,
under the charter or by-laws of any subsidiary or under any agreement to which
the Company or any subsidiary is a party, or otherwise.
        
     (ix)  The Company has an authorized capitalization as set forth in the
Prospectus; since the date indicated in the Prospectus there has been no change
in the consolidated capitalization of the Company and its subsidiaries; and all
of the issued and outstanding capital stock of the Company has been duly
authorized and validly issued, is fully paid and non-assessable.  None of such
shares of capital stock were issued in violation of preemptive or other similar
rights arising by operation of law, under the charter or by-laws of the Company
or under any agreement to which the Company or any of its subsidiaries is a
party, or otherwise.

     (x)  The Company has good and marketable title to the properties 
specifically described in and conveyed by the Indenture (except such property
as may have been disposed of or released from the lien thereof in accordance
with the terms thereof) subject only to the lien of the Indenture, to permitted
liens, as defined in the Indenture, as to property acquired by the Company
subsequent to the execution of the Original Indenture, to any liens existing
thereon or purchase money liens placed thereon at the time of such acquisition
as permitted by the Indenture, and to certain other reservations, rights of
grantors under revocable permits, easements, licenses, zoning laws and
ordinances and restrictions and minor defects or irregularities of title which
do not materially impair the use of the property affected thereby in the
operation of the business of the Company; the Company and its subsidiaries have
good and marketable title to all personal property owned by them, in each case
free and clear of all liens, encumbrances and defects except the liens of the
Indenture and such liens, encumbrances and defects 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 and its subsidiaries; and any real
property and buildings held under lease by the Company and its subsidiaries are
held by them under valid, subsisting and enforceable leases with such
exceptions as are not material and


                                     -6-
<PAGE>   7

        
do not interfere with the use made and proposed to be made of such property and
buildings by the Company and its subsidiaries; the pipeline, distribution main
and underground gas storage easements enjoyed by the Company and its
subsidiaries are valid, subsisting and enforceable easements with such
exceptions as are not material and do not interfere with the conduct of the
business of the Company and its subsidiaries.
        
     (xi)  The Offered Bonds have been duly authorized by the Company for 
issuance and sale pursuant to this Agreement and, at the Closing Date, will
have been duly executed by the Company and, when authenticated in the manner
provided for in the Indenture and delivered against payment of the
consideration therefor specified in this Agreement, will constitute legal,
valid and binding obligations of the Company, enforceable against the Company
in accordance with their terms except to the extent that enforcement thereof
may be limited by bankruptcy, insolvency, reorganization, moratorium or other
similar laws relating to or affecting creditors' rights generally or by general
principles of equity (regardless of whether enforcement is considered in a
proceeding at law or in equity) (the "Bankruptcy Exceptions").  The Offered
Bonds will be in the form contemplated by, and entitled to the benefits of, the
Indenture and will conform in all material respects to the description thereof
contained in the Prospectus.
        
     (xii)  The Indenture has been duly authorized, executed and delivered by 
the Company and qualified under the 1939 Act and constitutes a legal, valid and
binding agreement of the Company, enforceable against the Company in accordance
with its terms except to the extent that enforcement thereof may be limited by
the Bankruptcy Exceptions; the Indenture will conform in all material respects
to the description thereof contained in the Prospectus.
        
     (xiii)  The Indenture constitutes a legally valid and direct enforceable 
first mortgage lien, except as the same may be limited by the laws of the State
of Michigan (where all of the property covered thereby is located) affecting
the remedies for the enforcement of the security provided for therein, which
laws do not make inadequate the remedies necessary for the realization of the
benefits of such security, or as the same may be limited by the Bankruptcy
Exceptions, upon substantially all of the Company's properties and franchises,
now owned or hereafter acquired, free from all prior liens, charges or
encumbrances, except as hereinbefore set forth in subparagraph (x) above, and,
in the case of property hereafter acquired, any thereof existing at the time of
acquisition.
        
     (xiv)  Neither the Company nor any of its subsidiaries is in violation of
its charter or by-laws or in default in the performance or observance of any
material obligation, agreement, covenant or condition contained in any
contract, indenture, 


                                     -7-
<PAGE>   8

mortgage, deed of trust, note, lease, loan or credit agreement or any other
agreement or instrument to which the Company or any of its subsidiaries is a
party or by which any of them may be bound, or to which any of the property or
assets of the Company or any of its subsidiaries is subject, or in violation of
any applicable law, rule or regulation or any judgment, order or decree of any
government, governmental instrumentality or court, domestic or foreign, having
jurisdiction over the Company or any of its subsidiaries or any of their
respective properties or assets, which violation or default would, singly or in
the aggregate, have a Material Adverse Effect.
        
     (xv)  The issuance and sale of the Offered Bonds, the compliance by the 
Company with all of the provisions of the Offered Bonds, the execution,
delivery and performance by the Company of this Agreement, the Indenture and
the Offered Bonds and any other agreement or instrument entered into or issued
or to be entered into or issued by the Company in connection with the
transactions contemplated hereby or thereby or in the Prospectus, and the
consummation of the transactions contemplated herein and therein and compliance
by the Company with its obligations hereunder and thereunder have been duly
authorized by all necessary corporate action and do not and will not conflict
with or result in a breach of any of the terms or provisions of, or constitute
a default under or require the consent of any party under, or result in the
creation or imposition of any lien on the properties or assets of the Company
or any of its subsidiaries pursuant to, any contract, indenture, mortgage, deed
of trust, note, lease, agreement or other instrument to which the Company or
any of its subsidiaries is a party or by which any of them may be bound, nor
will such action result in any violation of the provisions of the charter or
by-laws of the Company and its subsidiaries or any applicable law, rule or
regulation or any judgment, order or decree of any government, governmental
instrumentality or court, domestic or foreign, having jurisdiction over the
Company or any of its subsidiaries or any of their respective properties or
assets.
        
     (xvi)  This Agreement has been duly authorized, executed and delivered by
the Company.

     (xvii)  There is no action, suit, proceeding, inquiry or investigation 
before or brought by any court or governmental agency or body, domestic or
foreign, now pending or to the knowledge of the Company threatened against or
affecting the Company or any of its subsidiaries which is required to be
disclosed in the Registration Statement and the Prospectus (other than as
stated therein), or which might reasonably be expected to result in a Material
Adverse Effect, or which might be reasonably expected to materially and
adversely affect the properties, assets or operations thereof or the
consummation of this Agreement, the Indenture or the transactions contemplated
herein or therein.  The aggregate of all pending legal or governmental


                                     -8-
<PAGE>   9

proceedings to which the Company or any of its subsidiaries is a party or of
which any of their respective properties, assets or operations is the subject
which are not described in the Registration Statement and the Prospectus,
including ordinary routine litigation incidental to the business, could not
reasonably be expected to result in a Material Adverse Effect.
        
     (xviii)  No labor dispute with the employees of the Company or any of its
subsidiaries exists or, to the knowledge of the Company, is imminent; and the
Company is not aware of any existing or imminent labor disturbance by the
employees of any of its or any subsidiary's principal suppliers, manufacturers,
customers or contractors which may be expected to result in a Material Adverse
Effect.

     (xix)  There are no contracts or documents which are required to be 
described in the Registration Statement, the Prospectus or the documents 
incorporated by reference therein, or to be filed as exhibits thereto which 
have not been so described and/or filed as required.

     (xx)  No filing with, or authorization, approval, consent, license, order,
registration or qualification or decree of, any court or governmental authority
or agency is necessary or required for the performance by the Company of its
obligations hereunder, in connection with the offering, issuance or sale of the
Offered Bonds or the consummation of the transactions contemplated by this
Agreement or the Indenture, except such as have been already obtained or as may
be required under state or foreign securities or blue sky laws.

     (xxi)  The Company and its subsidiaries possess all licenses, franchises,
permits, certificates, authorizations, approvals, consents, orders and other
operating rights from the Federal Energy Regulatory Commission, the State of
Michigan and all governmental authorities or agencies necessary for the
ownership or lease of the material properties owned or leased by each of them
and for the operation of the business carried on by each of them, except where
the failure to so comply would not, singly or in the aggregate, result in a
Material Adverse Effect; all such licenses, franchises, permits, certificates,
authorizations, approvals, consents and orders are in full force and effect and
contain no unduly burdensome provisions that would interfere with the conduct
of the business of the Company and its subsidiaries, considered as one
enterprise and, except as otherwise set forth in the Registration Statement and
the Prospectus, there are no legal or governmental proceedings pending or
threatened that would result in a material modification, suspension or
revocation thereof.

     (xxii)  The Company is a "subsidiary company" of a "holding company" as 
such terms are defined in the Public Utility Holding Company Act of 1935 (the
"1935 Act"), and such "holding 


                                     -9-
<PAGE>   10

company" and the Company are presently exempt from the provisions of the 1935 
Act (except Section 9 thereof).
        
     (xxiii)  None of Company or any of its subsidiaries is an "investment 
company" or under the "control" of an "investment company" as such terms are 
defined under the Investment Company Act of 1940, as amended (the "1940 Act").

     (xxiv)  The Company has complied with, and is and will be in compliance 
with, the provisions of that certain Florida act relating to disclosure of
doing business with Cuba, codified as Section 517.075 of the Florida statutes,
and the rules and regulations thereunder (collectively, the "Cuba Act") or is
exempt therefrom.
        
     (xxv)  Immediately after the sale of the Offered Bonds by the Company 
hereunder, the aggregate amount of the Offered Bonds which shall have been
issued and sold by the Company hereunder and of any debt securities of the
Company (other than the Offered Bonds) that shall have been issued and sold
pursuant to the Registration Statement will not exceed the amount of debt
securities registered under the Registration Statement.
        
     (xxvi)  None of the Company, its subsidiaries or any of their respective
directors, officers or controlling persons, has taken, directly or indirectly,
any action resulting in a violation of Regulation M under the 1934 Act, or
designed to cause or result in, or that has constituted or that reasonably
might be expected to constitute, the stabilization or manipulation of the price
of any security of the Company to facilitate the sale or resale of the Offered
Bonds.

     (xxvii)  No "forward looking statement" (as defined in Rule 175 under the
1933 Act) contained in the Registration Statement, any preliminary prospectus
or the Prospectus was made or reaffirmed without a reasonable basis or was
disclosed other than in good faith.
        
     (b)  Any certificate signed by any officer of the Company and delivered 
to the Underwriter or to counsel for the Underwriter in connection with the 
offering of the Offered Bonds shall be deemed a representation and warranty by
the Company to the Underwriter as to the matters covered thereby.

     SECTION   Sale and Delivery to Underwriter; Closing.

     (a)  On the basis of the representations and warranties herein contained 
and subject to the terms and conditions herein set forth, the Company agrees to
sell to the Underwriter, and the Underwriter agrees to purchase from the
Company, at the purchase price set forth in Schedule I hereto, the principal
amount of the Offered Bonds set forth opposite its name in Schedule II hereto.
        

                                    -10-
<PAGE>   11

     (b)  Payment of the purchase price for, and delivery of certificates for,
the Offered Bonds shall be made at the office at the location specified in
Schedule I, at 9:00 A.M. (Eastern time) on the third (fourth, if the pricing
occurs after 4:30 P.M., Eastern time, on any given day) business day after the
date hereof, or such other time not later than ten business days after such
date as shall be agreed upon by the Underwriter and the Company (such time and
date of payment and delivery being herein called the "Closing Date").
        
          Payment shall be made to the Company by certified or official bank 
check or checks, or by wire transfer in the type of funds specified in 
Schedule I, payable to the order of the Company, against delivery to the 
Underwriter of certificates for the Offered Bonds to be purchased by it.

     (c)  Certificates for the Offered Bonds shall be in such denominations and
registered in such names as the Underwriter may request in writing at least one
full business day before the Closing Date.  The certificates for the Offered
Bonds will be made available to the Underwriter for examination at the office
specified in Schedule I hereto not later than 10:00 a.m., Eastern time, on the
business day prior to the Closing Date.

     SECTION 3.  Covenants of the Company.  The Company agrees with the
Underwriter as follows:

     (a)  Promptly following the execution of this Agreement, the Company will
cause the Prospectus, including as a part thereof a prospectus supplement
relating to the Offered Bonds to be filed with the Commission pursuant to Rule
424 of the 1933 Act Regulations and the Company will promptly advise the
Underwriter when such filing has been made.  Prior to the filing, the Company
will cooperate with the Underwriter in the preparation of such prospectus
supplement to assure that the Underwriter has no reasonable objection to the
form or content thereof when filed or mailed.
        
     (b)  The Company, subject to Section 3(c), will comply with the 
requirements of Rule 434 of the 1933 Act Regulations if and as applicable, and
will notify the Underwriter immediately, and confirm the notice in writing, (i)
of the effectiveness of any post-effective amendment to the Registration
Statement or the filing of any supplement or amendment to the Prospectus, (ii)
the receipt of any comments from the Commission, (iii) of any request by the
Commission for any amendment to the Registration Statement or any amendment or
supplement to the Prospectus or for additional information, (iv) of the
issuance by the Commission of any stop order suspending the effectiveness of
the Registration Statement or suspending the use of any preliminary prospectus,
or the initiation of any proceedings for that purpose and (v) of the issuance
by any state securities commission or other regulatory authority of any order
suspending the qualification or the
        

                                    -11-
<PAGE>   12

exemption from qualification of the Offered Bonds under state securities or
Blue Sky laws or the initiation or threatening of any proceeding for such
purpose.  The Company will make every reasonable effort to prevent the issuance
of any stop order and, if any stop order is issued, to obtain the lifting
thereof at the earliest possible moment.
        
     (c)  The Company will give the Underwriter notice of its intention to 
file or prepare any amendment to the Registration Statement (including any
post-effective amendment and any filing under Rule 462(b) of the 1933 Act
Regulations), any Term Sheet or any amendment, supplement or revision to either
the prospectus included in the Registration Statement at the time it became
effective or to the Prospectus, whether pursuant to the 1933 Act, the 1934 Act
or otherwise; will furnish the Underwriter with copies of any such Rule 462(b)
Registration Statement, Term Sheet, amendment, supplement or revision a
reasonable amount of time prior to such proposed filing or use, as the case may
be; and will not file any such Rule 462(b) Registration Statement, Term Sheet,
amendment, supplement or revision to which the Underwriter or counsel for the
Underwriter shall object.
        
     (d)  The Company will comply with the 1933 Act and the 1933 Act 
Regulations and the 1934 Act and the 1934 Act Regulations so as to permit the
completion of the distribution of the Offered Bonds as contemplated in this
Agreement and in the Registration Statement and the Prospectus.  If at any time
when the Prospectus is required by the 1933 Act or the 1934 Act to be delivered
in connection with sales of the Offered Bonds, any event shall occur or
condition shall exist as a result of which it is necessary, in the opinion of
counsel for the Underwriter or for the Company, to amend the Registration
Statement in order that the Registration Statement 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 not misleading or to
amend or supplement the Prospectus in order that the Prospectus will not
include an untrue statement of a material fact or omit to state a material fact
necessary in order to make the statements therein not misleading in the light
of the circumstances existing at the time it is delivered to a purchaser, or if
it shall be necessary, in the opinion of such counsel, at any such time to
amend the Registration Statement or amend or supplement the Prospectus in order
to comply with the requirements of the 1933 Act or the 1933 Act Regulations,
the Company will promptly prepare and file with the Commission, subject to
Section 3(c), such amendment or supplement as may be necessary to correct such
statement or omission or to make the Registration Statement or the Prospectus
comply with such requirements, and the Company will furnish to the Underwriter,
without charge, such number of copies of such amendment or supplement as the
Underwriter may reasonably request.
        

                                    -12-
<PAGE>   13

     (e)  The Company will make generally available to its security holders as
soon as practicable, but not later than 45 days (or 90 days, in the case of a
period that is also the Company's fiscal year) after the close of the period
covered thereby, an earnings statement of the Company and its subsidiaries (in
form complying with the provisions of Rule 158 of the 1933 Act Regulations)
covering a twelve-month period beginning not later than the first day of the
Company's fiscal quarter next following the "effective date" (as defined in
said Rule 158) of the Registration Statement.
        
     (f)  The Company will deliver to the Underwriter and counsel for the
Underwriter, without charge, signed copies of the Registration Statement as
originally filed and of each amendment thereto (including exhibits filed
therewith or incorporated by reference therein and documents incorporated or
deemed to be incorporated by reference therein) and signed copies of all
consents and certificates of experts, and will also deliver to the Underwriter,
without charge, a conformed copy of the Registration Statement as originally
filed and of each amendment thereto (without exhibits).  If applicable, the
copies of the Registration Statement and each amendment thereto furnished to
the Underwriter will be identical to the electronically transmitted copies
thereof filed with the Commission pursuant to EDGAR, except to the extent
permitted by Regulation S-T.

     (g)  The Company will deliver to the Underwriter, without charge, as many
copies of each preliminary prospectus as such Underwriter may reasonably
request, and the Company hereby consents to the use of such copies for purposes
permitted by the 1933 Act.  The Company will furnish to the Underwriter,
without charge, during the period when the Prospectus is required to be
delivered under the 1933 Act or the 1934 Act, such number of copies of the
Prospectus (as amended or supplemented) as such Underwriter may reasonably
request.  If applicable, the Prospectus and any amendments or supplements
thereto furnished to the Underwriter will be identical to the electronically
transmitted copies thereof filed with the Commission pursuant to EDGAR, except
to the extent permitted by Regulation S-T.

     (h)  The Company will use its best efforts, in cooperation with the
Underwriter, to qualify the Offered Bonds for offering and sale under the
applicable securities laws of such states and other jurisdictions (domestic or
foreign) as the Underwriter may designate; provided, however, that the Company
shall not be obligated to qualify as a foreign corporation in any jurisdiction
in which it is not so qualified or subject itself to taxation in respect of
doing business in any jurisdiction in which it is not otherwise so subject.  In
each jurisdiction in which the Offered Bonds have been so qualified, the
Company will file such statements, reports and other documents as may be
required by the laws of such jurisdiction to continue such qualification in
effect for so long as may be required in connection with

                                    -13-
<PAGE>   14

distribution of the Offered Bonds, or as otherwise may be required by law.

     (i)  The Company will use the net proceeds received by it from the sale 
of the Offered Bonds in the manner specified in the Prospectus under "Use of
Proceeds".

     (j)  If, at the time that the Registration Statement became (or in the 
case of a post-effective amendment becomes) effective, any information shall 
have been omitted therefrom in reliance upon Rule 434 of the 1933 Act
Regulations, then immediately  following the execution of this Agreement, the
Company will prepare, and file or transmit for filing with the Commission in
accordance with such Rule 434 and Rule 424(b) of the 1933 Act Regulations,
copies of an amended Prospectus, or Term Sheet, containing all information so
omitted.
        
     (k)  If the Company elects to rely upon Rule 462(b), the Company shall 
file a Rule 462(b) Registration Statement with the Commission in compliance
with Rule 462(b) and pay the applicable fees in accordance with Rule 111 of the
1933 Act Regulations by the time confirmations are sent or given, as specified
by Rule 462(b)(2).
        
     (l)  The Company, during the period when the Prospectus is required to be
delivered under the 1933 Act, will file all documents required to be filed with
the Commission pursuant to the 1934 Act within the time periods required by the
1934 Act and the 1934 Act Regulations.

     (m)  During a period of fifteen days from the date of the Prospectus, the
Company will not, without the prior written consent of the Underwriter,
directly or indirectly, issue, sell, contract to sell, grant any option for the
sale of, or otherwise transfer or dispose of any debt securities of the Company
which mature more than one year after the Closing Date and which are
substantially similar to the Offered Bonds, except for the offer by the Company
of $40,000,000 aggregate principal amount of First Mortgage Bonds designated as
Secured Medium-Notes, Series B, due May 1, 2012 and $30,000,000 aggregate
principal amount of First Mortgage Bonds designated as Secured Medium-Term
Notes, Series C, due May 1, 2007.

     (n)  None of the Company, its subsidiaries or any of their respective
directors, officers or controlling persons, will take, directly or indirectly,
any action resulting in a violation of Regulation M under the 1934 Act, or
designed to cause or result in, or that reasonably might be expected to
constitute, the stabilization or manipulation of the price of any security of
the Company to facilitate the sale or resale of the Offered Bonds.

     SECTION 4.  Payment of Expenses.  The Company will pay all expenses 
incident to the performance of its obligations under 


                                    -14-
<PAGE>   15

this Agreement, including, without limitation, expenses related to the
following, if incurred: (i) the preparation, delivery, printing and filing of
the Registration Statement and Prospectus as originally filed (including
financial statements and exhibits) and of each amendment thereto; (ii) the
printing and delivery to the Underwriter of this Agreement, any Agreement among
Underwriters, the Indenture and such other documents as may be required in
connection with the offering, purchase, sale and delivery of the Offered Bonds;
(iii) the preparation, issuance and delivery of the certificates for the
Offered Bonds to the Underwriter; (iv) all costs, taxes and expenses incident
to the issue and delivery of the Offered Bonds to the Underwriter; (v) the
fees, expenses and disbursements of the Company's counsel, accountants and
other advisors; (vi) the qualification of the Offered Bonds under securities
laws in accordance with the provisions of Section 3(h), including filing fees
and the fees, expenses and disbursements of counsel for the Underwriter in
connection therewith (other than the fees, expenses and disbursements of
Canadian counsel for the Underwriter in connection with the offering of the
Offered Bonds in Canada) and in connection with the preparation of the Blue Sky
Survey, any supplement thereto and any Legal Investment Survey; (vii) the
printing and delivery to the Underwriter of copies of the Registration
Statement as originally filed and of each amendment thereto, of each
preliminary prospectus, any Term Sheet and of the Prospectus and any amendments
or supplements thereto (including any wrap-around thereto prepared by the
Underwriter in connection with the offering of the Offered Bonds in Canada);
(viii) the printing and delivery to the Underwriter of copies of the Blue Sky
Survey, any supplement thereto and any Legal Investment Survey; (ix) the fees
and expenses of the Trustees, including the fees, expenses and disbursements of
counsel for the Trustees in connection with the Indenture and the Offered
Bonds; and (x) any fees payable in connection with the rating of the Offered
Bonds by nationally recognized statistical rating organizations.
        
     If this Agreement is terminated by the Underwriter in accordance with the
provisions of Section 5 or Section 9(a)(i) hereof, the Company shall reimburse
the Underwriter for all of its out-of-pocket expenses, including the reasonable
fees, expenses and disbursements of LeBoeuf, Lamb, Greene & MacRae, L.L.P.,
counsel for the Underwriter, and Canadian counsel for the Underwriter.

     SECTION 5.  Conditions of Underwriter's Obligation.  The obligation of the
Underwriter to purchase and pay for the Offered Bonds pursuant to this
Agreement are subject to the accuracy of the representations and warranties of
the Company herein contained or in certificates of any officer of the Company
or any subsidiary delivered pursuant to the provisions hereof, to the
performance by the Company of its obligations hereunder, and to the following
further conditions:



                                    -15-
<PAGE>   16

     (a)  The Registration Statement, including any Rule 462(b) Registration
Statement, shall have become effective under the 1933 Act not later than 5:30
p.m., New York City time, on the date hereof, and on the date hereof and at the
Closing Date, no stop order suspending the effectiveness of the Registration
Statement or any part thereof shall have been issued under the 1933 Act or
proceedings therefor initiated or threatened by the Commission, and any request
on the part of the Commission for additional information shall have been
complied with to the satisfaction of counsel to the Underwriter.  A prospectus
containing information relating to the description of the Offered Bonds, the
specific method of distribution and similar matters shall have been filed with
the Commission in accordance with Rule 424(b)(1), (2), (3), (4) or (5), as
applicable, or, if the Company has elected to rely upon Rule 434 of the 1933
Act Regulations, a Term Sheet including the Rule 434 Information shall have
been filed with the Commission in accordance with Rule 424(b)(7).

     (b)  At the Closing Date, the Underwriter shall have received:

          (1)  The favorable opinion, dated as of the Closing Date, of Susan K.
McNish, Vice President, General Counsel and Secretary of the Company, in form 
and substance satisfactory to counsel for the Underwriter, 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
     Michigan, with corporate power and authority to own, lease and operate its
     properties and to conduct its business as presently conducted and as
     described in the Prospectus and to enter into and perform its obligations
     under, or as contemplated under, this Agreement.

                  (ii)   The Company is duly qualified as a foreign corporation
     to transact business and is in good standing in each jurisdiction in
     which such qualification is required, whether by reason of the ownership 
     or leasing of property or the conduct of business, except where the 
     failure so to qualify or to be in good standing would not have a Material
     Adverse Effect.

                  (iii)  The Company has an authorized capitalization as set
     forth in the Prospectus, and all of the shares of issued and outstanding 
     capital stock of the Company have been duly authorized and validly issued
     and is fully paid and non-assessable.  None of such shares of capital
     stock were issued in violation of preemptive or other similar rights 
     arising by operation of law, under the charter or by-laws of the Company
     or under any agreement to which the Company or any of its subsidiaries is
     a party, or otherwise.



                                    -16-
<PAGE>   17

           (iv)  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, has the corporate power and
      authority to own, lease and operate its properties and to conduct its
      business as presently conducted and as described in the Prospectus, and
      is duly qualified as a foreign corporation to transact business and is in
      good standing in each jurisdiction in which such qualification is
      required, whether by reason of the ownership or leasing of property or
      the conduct of business, except where the failure to so qualify or be in
      good standing would not have a Material Adverse Effect.  Except as
      otherwise stated in the Registration Statement and the Prospectus, all of
      the issued and outstanding shares of capital stock of each such
      subsidiary of the Company has been duly authorized and validly issued, is
      fully paid and non-assessable and all such shares are owned by the
      Company, directly or through its subsidiaries, free and clear of any
      security interest, mortgage, pledge, lien, encumbrance, claim or
      equity.
                
           (v)  to the best of such counsel's knowledge, neither the Company 
      nor any of its subsidiaries is in violation of its charter or by-laws and
      no default by the Company or any subsidiary exists in the due performance
      or observance of any material obligation, agreement, covenant or
      condition contained in any contract, indenture, mortgage, deed of trust,
      note, lease, loan agreement or other agreement or instrument to which the
      Company or any of its subsidiaries is a party or by which any of them may
      be bound, or to which any of the properties or assets of the Company or
      any of its subsidiaries is subject.
        
           (vi)  The Company meets the registrant requirements for use of Form
      S-3 under the 1933 Act Regulations.

           (vii)  The issuance and sale of the Offered Bonds, the compliance 
      by the Company with all of the provisions of the Offered Bonds, the 
      execution, delivery and performance by the Company of this Agreement, the
      Indenture and the Offered Bonds and any other agreement or instrument
      entered into or issued or to be entered into or issued by the Company in
      connection with the transactions contemplated hereby or thereby or in the
      Prospectus, and the consummation of the transactions contemplated herein
      and therein and compliance by the Company with its obligations hereunder
      and thereunder have been duly authorized by all necessary corporate
      action and do not and will not conflict with or result in a breach of any
      of the terms or provisions of, or constitute a default under or require
      the consent of any party under, or result in the creation or imposition
      of any lien on the properties or assets of the Company or any of 



                                    -17-
<PAGE>   18

      its subsidiaries pursuant to, any contract, indenture, mortgage, deed of
      trust, note, lease, agreement or other instrument to which the Company or
      any of its subsidiaries is a party or by which any of them may be bound,
      nor will such action result in any violation of the provisions of the
      charter or by-laws of the Company and its subsidiaries or any applicable
      law, rule or regulation or any judgment, order or decree of any
      government, governmental instrumentality or court, domestic or foreign,
      having jurisdiction over the Company or any of its subsidiaries or any of
      their respective properties or assets.
        

           (viii)  No filing with, or authorization, approval, consent, 
      license, order, registration or qualification or decree of, any court or
      governmental authority or agency is necessary or required for the
      performance by the Company of its obligations hereunder, in connection
      with the offering, issuance or sale of the Offered Bonds or the
      consummation of the transactions contemplated by this Agreement or the
      Indenture, except such as have been already obtained or as may be
      required under state or foreign securities or blue sky laws.
        
           (ix)  All descriptions in the Prospectus of contracts and other 
      documents to which the Company or its subsidiaries are a party are
      accurate in all material respects; to the best of such counsel's
      knowledge and information, there are no franchises, contracts,
      indentures, mortgages, agreements, notes, leases or other instruments
      required to be described or referred to or incorporated by reference in
      the Registration Statement or to be filed as exhibits thereto other than
      those described or referred to or incorporated by reference therein or
      filed as exhibits thereto, and the descriptions thereof or references
      thereto are correct in all material respects; and no default exists in
      the due performance or observance of any material obligation, agreement,
      covenant or condition contained in any contract, indenture, mortgage,
      agreement, note, lease or other instrument so described, referred to,
      filed or incorporated by reference.
        
           (x)  The Company and its subsidiaries possess all licenses, 
      franchises, permits, certificates, authorizations, approvals, consents,
      orders and other operating rights from the Federal Energy Regulatory
      Commission, the State of Michigan and all governmental authorities or
      agencies necessary for the ownership or lease of the material properties
      owned or leased by each of them and for the operation of the business
      carried on by each of them, except where the failure to so comply would
      not, singly or in the aggregate, result in a Material Adverse Effect; all
      such licenses, franchises, permits, 


                                    -18-
<PAGE>   19

      certificates, authorizations, approvals, consents and orders are in full
      force and effect and contain no unduly burdensome provisions that would
      interfere with the conduct of the business of the Company and its
      subsidiaries, considered as one enterprise and, except as otherwise set
      forth in the Registration Statement or the Prospectus, there are no legal
      or governmental proceedings pending or threatened that would result in a
      material modification, suspension or revocation thereof.
        
           (xi)  To the best of such counsel's knowledge, there is no action, 
      suit, proceeding, inquiry or investigation before or brought by any court
      or governmental agency or body, domestic or foreign, pending or
      threatened against or affecting the Company or any of its subsidiaries
      which is required to be disclosed in the Registration Statement and the
      Prospectus (other than as stated therein), or which might reasonably be
      expected to result in a Material Adverse Effect, or which might be
      reasonably expected to materially and adversely affect the properties,
      assets or operations thereof or the consummation of this Agreement, the
      Indenture or the transactions contemplated herein or therein.  The
      aggregate of all pending legal or governmental proceedings to which the
      Company or any of its subsidiaries is a party or of which any of their
      respective properties, assets or operations is the subject which are not
      described in the Registration Statement and the Prospectus, including
      ordinary routine litigation incidental to the business, could not
      reasonably be expected to result in a Material Adverse Effect.
        
           (xii)  The Company and its subsidiaries have good and marketable 
      title to all personal property owned by them, free and clear of all
      liens, encumbrances and defects except the liens of the Indenture and
      such liens, encumbrances and defects 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 and its subsidiaries;
      and any real property and buildings held under lease by the Company and
      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 and its subsidiaries;
        
           (xiii)  The information in the Prospectus under the captions
      "Summary," "The Company," "Capitalization at March 31, 1997," "Use of
      Proceeds," "Description of the Offered Bonds" and "Description of the New
      Bonds", to the extent that they involve matters of law, summaries of
      legal matters, documents or proceedings, or legal conclusions, has been
      reviewed by such counsel and is correct in all material respects.
        


                                    -19-
<PAGE>   20

           (xiv)  The Offered Bonds and the Indenture conform in all material 
      respects to the descriptions thereof contained in the Prospectus.

           (xv)  The Registration Statement, including any Rule 462(b) 
      Registration Statement, is effective under the 1933 Act; any required
      filing of the Prospectus pursuant to Rule 424(b) has been made in the
      manner and within the time period required by Rule 424(b); and no stop
      order suspending the effectiveness of the Registration Statement has been
      issued under the 1933 Act or proceedings therefor initiated, to the best
      of such counsel's knowledge, or threatened by the Commission.
        
           (xvi)  The Registration Statement, including any Rule 462(b) 
      Registration Statement and the Prospectus, and each amendment or
      supplement thereto (other than the financial statements and the notes
      thereto, the financial schedules and any other financial data included or
      incorporated by reference therein, or the exhibits to the Registration
      Statement, including any Form T-1, as to which no opinion need be
      rendered), as of their respective effective or issue dates, or when
      amended, as appropriate, complied as to form in all material respects
      with the requirements of the 1933 Act and the 1933 Act Regulations.
        
           (xvii)  Each of the documents incorporated by reference in the 
      Registration Statement or the Prospectus at the time they were filed or
      last amended (other than the financial statements and the notes thereto,
      the financial schedules, and any other financial data included or
      incorporated by reference therein, as to which such counsel need express
      no belief), complied as to form in all material respects with the
      requirements of the 1934 Act and the 1934 Act Regulations, as applicable;
      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 1933 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 not misleading, and, in the case
      of other documents which were filed under the 1934 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 not
      misleading.
        
           (xviii)  Except as to property acquired subsequent to the date of 
      execution of the Thirty-fourth Supplemental Indenture, the Company has
      good and marketable title to the property specifically or generally
      described in the Indenture (except such property as may have been
      disposed of or released from the lien thereof in accordance with the
        


                                    -20-
<PAGE>   21

      terms thereof) subject only to the lien of the Indenture, to permitted
      liens, as defined in the Indenture, as to property acquired by the
      Company subsequent to the execution of the Original Indenture, to any
      liens existing thereon or purchase money liens placed thereon at the time
      of such acquisition as permitted by the Indenture, and to certain other
      reservations, rights of grantors under revocable permits, easements,
      licenses, zoning laws and ordinances and restrictions and minor defects
      or irregularities of title which do not, in the opinion of such counsel,
      materially impair the use of the property affected thereby in the
      operation of the business of the Company; the pipeline, distribution main
      and underground gas storage easements enjoyed by the Company and its
      subsidiaries are valid, subsisting and enforceable easements with such
      exceptions as are not material and do not interfere with the conduct of
      the business of the Company and its subsidiaries.
        
           (xix)  The Indenture constitutes a legally valid and direct 
      enforceable first mortgage lien, except as the same may be limited by the
      laws of the State of Michigan (where the property covered thereby is
      located) affecting the remedies for the enforcement of the security
      provided for therein, which laws do not, in the opinion of such counsel,
      make inadequate the remedies necessary for the realization of the
      benefits of such security, or as the same may be limited by the
      Bankruptcy Exceptions, upon substantially all of the Company's properties
      and franchises, now owned or hereafter acquired, free from all prior
      liens, charges or encumbrances other than the lien of the Indenture,
      permitted liens, as defined in the Indenture, as to property acquired by
      the Company subsequent to the execution of the Original Indenture, any
      liens existing thereof or purchase money liens placed thereon at the time
      of such acquisition as permitted by the grantors under revocable permits,
      easements, licenses, zoning laws and ordinances and restrictions and
      minor defects or irregularities of title which do not, in the opinion of
      such counsel, materially impair the use of the property affected thereby
      in the operation of the business of the Company.
        
             (xx)  The Indenture has been duly authorized, executed and 
      delivered by the Company and assuming due authorization, execution and
      delivery thereof by the Trustees, constitutes a legal, valid and binding
      obligation of the Company, enforceable against the Company in accordance
      with its terms, except to the extent that enforcement thereof may be
      limited by the Bankruptcy Exceptions; the Indenture has been duly
      qualified under the 1939 Act.
        
              (xxi)  All taxes and fees required to be paid by the laws of the
      State of Michigan and jurisdictional 


                                    -21-
<PAGE>   22

      subdivisions thereof with respect to the execution of the Indenture and
      the issuance of the Offered Bonds have been paid.
        
           (xxii)  The Offered Bonds have been duly authorized by the Company 
      for issuance and sale pursuant to this Agreement and, when issued and
      authenticated in the manner provided for in the Indenture and delivered
      against payment of the consideration therefor specified in this
      Agreement, will constitute legal, valid and binding obligations of the
      Company, enforceable against the Company in accordance with their terms,
      except to the extent that enforcement thereof may be limited by the
      Bankruptcy Exceptions.  The Offered Bonds are in the form contemplated
      by, and entitled to the benefits of, the Indenture.
        
           (xxiii)  This Agreement has been duly authorized, executed and 
      delivered by the Company.

           (xxiv)  The Company is a "subsidiary company" of a "holding 
      company" as such terms are defined in the 1935 Act, and such "holding
      company" and the Company are presently exempt from the provisions of the
      1935 Act (except Section 9 thereof).
        
           (xxv)  None of the Company or any of its subsidiaries is an 
      "investment company" or under the "control" of an "investment company" as
      such terms are defined in the 1940 Act.
        
           (xxvi)  The Company has complied with, and is and will be in 
      compliance with, the provisions of the Cuba Act or is exempt therefrom.

      Moreover, such counsel shall confirm that nothing has come to such
      counsel's attention that would lead such counsel to believe that the
      Registration Statement, including any information provided pursuant to
      Rule 434 (except for financial statements and the notes thereto, the
      financial schedules and any other financial data included or incorporated
      by reference therein, as to which counsel need express no opinion), at
      the time it became effective or at the date of the Prospectus Supplement,
      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 not misleading or that the Prospectus (except for
      financial statements and the notes thereto, the financial schedules, and
      any other financial data included or incorporated by reference therein,
      as to which counsel need express no opinion), at the date of the
      Prospectus Supplement (unless the term "Prospectus" refers to a
      prospectus which has been provided to the Underwriter by the Company for
      use in connection with the offering of the 


                                    -22-
<PAGE>   23

      Offered Bonds which differs from the Prospectus on file at the Commission
      at the time the Registration Statement became effective, in which case at
      the time it is first provided to the Underwriter for such use) or at the
      Closing Date, included (or includes) an untrue statement of a material
      fact or omitted or omits to state a material fact necessary in order to
      make the statements therein, in the light of the circumstances under
      which they were made, not misleading.
        
                (2)  The favorable opinion, dated as of then Closing Time, of 
LeBoeuf, Lamb, Greene & MacRae, L.L.P., counsel for the Underwriter, in form
and substance satisfactory to the Underwriter, with respect to the issuance and
sale of the Offered Bonds, the Indenture, the Registration Statement, the
Prospectus and other related matters as the Underwriter may reasonably require,
and the Company shall have furnished to such counsel such documents as they
request for the purpose of enabling them to pass upon such matters.  In giving
its opinion, LeBoeuf, Lamb, Greene & MacRae, L.L.P. may rely as to certain
matters of Michigan law upon the opinion of Susan K. McNish, which shall be
delivered in accordance with Section 5(b)(1) hereof.
        
     (c)  Between the date of this Agreement and prior to the Closing Date, no
material adverse change shall have occurred in the condition, financial or
otherwise, or in the earnings, business affairs or business prospects of the
Company and its subsidiaries, considered as one enterprise, whether or not in
the ordinary course of business.

     (d)  At the Closing Date, the Underwriter shall have received a 
certificate of the President or a Vice-President of the Company and of the
Chief Financial Officer or Chief Accounting Officer of the Company and dated as
of the Closing Time, to the effect that (i) there has been no material adverse
change in the condition, financial or otherwise, or in the earnings, business
affairs or business prospects of the Company and its subsidiaries considered as
one enterprise, whether or not in the ordinary course of business, (ii) the
representations and warranties in Section 1 hereof are true and correct as
though expressly made at and as of the Closing Date, (iii) the Company has
complied with all agreements and satisfied all conditions on their part to be
performed or satisfied at or prior to the Closing Date, and (iv) no stop order
suspending the effectiveness of the Registration Statement has been issued and
no proceedings for that purpose have been initiated or threatened by the
Commission.
        
      (e)  At the time of the execution of this Agreement, the Underwriter 
shall have received from Deloitte & Touche LLP a letter dated such date in 
form and substance satisfactory to the Underwriter, to the effect set forth 
below and as to such other matters as the Underwriter may reasonably request, 
that:
        

                                    -23-
<PAGE>   24

           (i) They are independent certified public accountants with respect
      to the Company and its subsidiaries within the meaning of the 1933 Act
      and the 1933 Act Regulations;

           (ii) In their opinion, the consolidated financial statements and any
      financial statement schedules audited by them and included or
      incorporated by reference in the Registration Statement and the
      Prospectus as amended or supplemented comply as to form in all material
      respects with the applicable accounting requirements of the 1933 Act and
      the 1933 Act Regulations and the 1934 Act and the 1934 Act Regulations;

           (iii) On the basis of limited procedures, not constituting an audit
      in accordance with generally accepted auditing standards, including a
      review in accordance with standards established by the American Institute
      of Certified Public Accountants of the unaudited condensed consolidated
      financial statements included in the Company's Quarterly Reports on Form
      10-Q incorporated by reference in the Registration Statement and the
      Prospectus as amended or supplemented for the periods specified in such
      letter, a reading of the latest available unaudited interim consolidated
      financial statements of the Company and its subsidiaries, a reading of
      the minutes of the Company and its subsidiaries since the audited
      consolidated financial statements set forth in the Company's Annual
      Report on Form 10-K for the most recent year, 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:

                 (A) the unaudited condensed consolidated financial statements
            set forth in the Company's Quarterly Reports on Form 10-Q
            incorporated by reference in the Registration Statement and the
            Prospectus as amended or supplemented do not comply as to form in
            all material respects with the applicable accounting requirements
            of the 1934 Act and the 1934 Act Regulations as they apply to Form
            10-Q or any material modifications should be made for them to be in
            conformity with generally accepted accounting principles applied on
            a basis substantially consistent with that of the audited
            consolidated financial statements set forth in the Company's Annual
            Report on Form 10-K for the most recent year ended incorporated by
            reference in the Registration Statement and the Prospectus as
            amended or supplemented;

                 (B) any other unaudited income statement data and balance
            sheet items included in the Prospectus as amended or supplemented
            do not agree with the 

                                    -24-
<PAGE>   25

            corresponding items in the unaudited consolidated financial 
            statements from which such data and items were derived;

                 (C)  any unaudited pro forma consolidated condensed financial
            statements or any unaudited pro forma consolidating financial
            statements included or incorporated by reference in the Prospectus
            as amended or supplemented do not comply as to form in all material
            respects with the applicable accounting requirements of the 1933
            Act and the 1933 Act Regulations and the 1934 Act and the 1934 Act
            Regulations or the pro forma adjustments have not been properly
            applied to the historical amounts in the compilation of those
            statements;

                 (D) as of a specified date not more than five days prior to
            the date of this Agreement, there has been any decrease or increase
            in the capital stock or any increase or decrease in long-term debt
            including capital lease obligations and current maturities (except
            for sinking fund and installment requirements under their long-term
            debt agreements and purchases in the open market in anticipation
            thereof) or any increase in short-term debt, or any decrease in
            consolidated common shareholders' equity of the Company and its
            consolidated subsidiaries (other than periodic dividends declared
            to shareholders), in each case as compared with the corresponding
            amounts shown in the latest consolidated statement of financial
            position of the Company and its subsidiaries incorporated by
            reference in the Registration Statement and the Prospectus as
            amended or supplemented, except in each case for increases or
            decreases which the Prospectus as amended or supplemented,
            including financial information incorporated by reference,
            discloses have occurred or may occur or which are described in such
            letter; and

                 (E) for the period from the date of the latest consolidated
            financial statements included or incorporated by reference in the
            Prospectus as amended or supplemented to the end of the latest
            period for which unaudited condensed consolidated financial
            statements or financial information are available, there were any
            decreases in consolidated operating revenues, operating income, net
            income or earnings available for Common Stock of the Company and
            its consolidated subsidiaries, or any increases in any items
            specified by the Underwriter, in each case as compared with the
            corresponding period in the preceding year and with any other
            period of corresponding length specified by the Underwriter, except
            in each case for 


                                    -25-
<PAGE>   26

            increases or decreases which the Prospectus as amended or 
            supplemented, including financial information incorporated by 
            reference, discloses have occurred or may occur or which are 
            described in such letter; and

                 (F) the unaudited consolidated financial statements referred
            to in Clause (E) are not stated on a basis substantially consistent
            with the audited consolidated financial statements incorporated by
            reference in the Registration Statement and the Prospectus as
            amended or supplemented.

            (iv) 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
      as amended or supplemented and included or incorporated by reference in
      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;

            (v) In addition to the limited procedures, reading of minutes,
      inquiries and other procedures referred to in clause (iii) and (iv)
      above, they have carried out certain other specified procedures, not
      constituting an audit in accordance with generally accepted auditing
      standards, with respect to certain amounts, percentages and financial
      information which are derived from the general accounting and financial
      records of the Company and its subsidiaries, which appear in the
      Prospectus as amended or supplemented and the Registration Statement, in
      the Company's Annual Report on Form 10-K for the latest year ended and in
      the Company's Quarterly Reports on Form 10-Q since the latest Annual
      Report on Form 10-K and which are specified by the Underwriter, and have
      compared certain of such amounts, percentages and financial information
      with the accounting and financial records of the Company and its
      subsidiaries and have found them to be in agreement; and

            (vi) If applicable and agreed to by the parties, they have made a
      review in accordance with standards established by the American Institute
      of Certified Public Accountants of the selected financial data, pro forma
      financial information, prospective financial statements, consolidating
      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 Representatives.



                                    -26-
<PAGE>   27

     (f)  At the Closing Date, the Underwriter shall have received from 
Deloitte & Touche LLP a letter, dated as of the Closing Date, to the effect
that they reaffirm the statements made in the letter furnished pursuant to
subsection (e) of this Section, except that the specified date referred to
shall be a date not more than three business days prior to the Closing Date.
        
     (g)  At the Closing Date, the Offered Bonds shall be rated in one of the 
four highest rating categories for long term debt securities ("Investment
Grade") by any nationally recognized statistical rating agency, and the Company
shall have delivered to the Underwriter a letter, dated the Closing Date, from
such nationally recognized statistical rating agency, or other evidence
satisfactory to the Underwriter, confirming that the  Offered Bonds have
Investment Grade ratings; and there shall not have occurred any decrease in the
ratings of any of the securities of the Company or of the Offered Bonds by any
"nationally recognized statistical rating organization" (as defined for
purposes of Rule 436(g) under the 1933 Act Regulations) and such organization
shall not have publicly announced that it has under surveillance or review,
with possible negative implications, its rating of any of the securities of the
Company or of the Offered Bonds.
        
     (h)  At the Closing Date, counsel for the Underwriter shall have been 
furnished with such documents and opinions as they may require for the purpose
of enabling them to pass upon the issuance and sale of the Offered Bonds as
herein contemplated, or in order to evidence the accuracy of any of the
representations or warranties, or the fulfillment of any of the conditions
herein contained; and all proceedings taken by the Company in connection with
the issuance and sale of the Offered Bonds as herein contemplated shall be
satisfactory in form and substance to the Underwriter and counsel for the
Underwriter.
        
     (i)  If any condition specified in this Section 5 shall not have been 
fulfilled when and as required to be fulfilled, this Agreement may be
terminated by the Underwriter by notice to the Company at any time at or prior
to the Closing Date, and such termination shall be without liability of any
party to any other party except as provided in Section 4 and except that
Sections 1, 6, 7 and 8 shall survive any such termination and remain in full
force and effect.
        
     SECTION 6.  Indemnification.

     (a)  The Company agrees to indemnify and hold harmless the Underwriter 
and each person, if any, who controls the Underwriter within the meaning of 
Section 15 of the 1933 Act or Section 20 of the 1934 Act as follows:

              (i)  against any and all loss, liability, claim, damage and 
     expense whatsoever, as incurred, arising out of 


                                    -27-
<PAGE>   28

      any untrue statement or alleged untrue statement of a material fact
      contained in the Registration Statement (or any amendment thereto),
      including the Rule 430A Information and the Rule 434 Information, if
      applicable, or the omission or alleged omission therefrom of a material
      fact required to be stated therein or necessary to make the statements
      therein not misleading or arising out of any untrue statement or alleged
      untrue statement of a material fact contained in any preliminary
      prospectus or the Prospectus (or any amendment or supplement thereto) or
      the Canadian Prospectus, or the omission or alleged omission therefrom of
      a material fact necessary in order to make the statements therein, in the
      light of the circumstances under which they were made, not misleading;
        
               (ii)  against any and all loss, liability, claim, damage and 
      expense whatsoever, as incurred, to the extent of the aggregate amount
      paid in settlement of any litigation, or any investigation or proceeding
      by any governmental agency or body, commenced or threatened, or of any
      claim whatsoever based upon any such untrue statement or omission, or any
      such alleged untrue statement or omission; provided, that (subject to
      Section 6(d) below) any such settlement is effected with the written
      consent of the Company; and
        
                (iii)  against any and all expense whatsoever, as incurred 
      (including, the fees, expenses and disbursements of counsel chosen by the
      Underwriter), reasonably incurred in investigating, preparing or
      defending against any litigation, or any investigation or proceeding by
      any governmental agency or body, commenced or threatened, or any claim
      whatsoever based upon any such untrue statement or omission, or any such
      alleged untrue statement or omission, to the extent that any such expense
      is not paid under (i) or (ii) above;
        
provided, however, that this indemnity agreement shall not apply to any loss,
liability, claim, damage or expense to the extent arising out of any untrue
statement or omission or alleged untrue statement or omission made in reliance
upon and in conformity with written information furnished to the Company by the
Underwriter expressly for use in the Registration Statement (or any amendment
thereto), including the Rule 430A Information and the Rule 434 Information, if
applicable, or any preliminary prospectus or the Prospectus (or any amendment
or supplement thereto) or the Canadian Prospectus; provided, further, that such
indemnity with respect to the preliminary prospectus shall not inure to the
benefit of the Underwriter (or any person controlling such Underwriter) from
whom the person asserting any such loss, liability, claim, damage or expense
purchased any of the Offered Bonds that are the subject thereof if such person
did not receive a copy of the Prospectus (or the Prospectus as amended or
supplemented) (in each case exclusive of the documents 


                                    -28-
<PAGE>   29

from which information is incorporated by reference) at or prior to the written
confirmation of the sale of such Offered Bonds to such person in any case where
the Company complied with its obligations under Sections 3(c) and 3(g) hereof
and any such untrue statement or omission or alleged untrue statement or
omission of a material fact contained in such preliminary prospectus (or any
amendment or supplement thereto) was corrected in the Prospectus (or the
Prospectus as amended or supplemented).
        
     (b)  The Underwriter agrees to indemnify and hold harmless the Company, its
directors, each of its officers who signed the Registration Statement, and each
person, if any, who controls the Company within the meaning of Section 15 of
the 1933 Act or Section 20 of the 1934 Act against any and all loss, liability,
claim, damage and expense described in the indemnity contained in subsection
(a) of this Section, as incurred, but only with respect to untrue statements or
omissions, or alleged untrue statements or omissions, made in the Registration
Statement (or any amendment thereto), including the Rule 430A Information and
the Rule 434 Information, if applicable, or any preliminary prospectus or the
Prospectus (or any amendment or supplement thereto) or the Canadian Prospectus
in reliance upon and in conformity with written information furnished to the
Company by the Underwriter expressly for use in the Registration Statement (or
any amendment thereto) or such preliminary prospectus or the Prospectus (or any
amendment or supplement thereto) or the Canadian Prospectus.

     (c)  Each indemnified party shall give notice as promptly as reasonably
practicable to each indemnifying party of any action commenced against it in
respect of which indemnity may be sought hereunder, but failure to so notify an
indemnifying party shall not relieve such indemnifying party from any liability
hereunder to the extent it is not materially prejudiced as a result thereof and
in any event shall not relieve it from any liability which it may have
otherwise than on account of this indemnity agreement.  In the case of parties
indemnified pursuant to Section 6(a) above, counsel to the indemnified parties
shall be selected by the Underwriter, and, in the case of parties indemnified
pursuant to Section 6(b) above, counsel to the indemnified parties shall be
selected by the Company.  An indemnifying party may participate at its own
expense in the defense of any such action; provided, however, that counsel to
the indemnifying party shall not (except with the consent of the indemnified
party) also be counsel to the indemnified party.  In no event shall the
indemnifying parties be liable for fees and expenses of more than one counsel
(in addition to any local counsel) separate from their own counsel for all
indemnified parties in connection with any one action or separate but similar
or related actions in the same jurisdiction arising out of the same general
allegations or circumstances.  No indemnifying party shall, without the prior
written consent of the indemnified parties, settle or compromise or consent to
the entry of any judgment with respect to any 


                                    -29-
<PAGE>   30

litigation, or any investigation or proceeding by any governmental agency or
body, commenced or threatened, or any claim whatsoever in respect of which
indemnification or contribution could be sought under this Section 6 or Section
7 hereof (whether or not the indemnified parties are actual or potential
parties thereto), unless such settlement, compromise or consent (i) includes an
unconditional release of each indemnified party from all liability arising out
of such litigation, investigation, proceeding or claim and (ii) does not
include a statement as to or an admission of fault, culpability or a failure to
act by or on behalf of any indemnified party.
        
     (d)  If at any time an indemnified party shall have requested an 
indemnifying party to reimburse the indemnified party for fees and expenses of
counsel, such indemnifying party agrees that it shall be liable for any
settlement of the nature contemplated by Section 6(a)(ii) effected without its
written consent if (i) such settlement is entered into more than 45 days after
receipt by such indemnifying party of the aforesaid request, (ii) such
indemnifying party shall have received notice of the terms of such settlement
at least 30 days prior to such settlement being entered into and (iii) such
indemnifying party shall not have reimbursed such indemnified party in
accordance with such request prior to the date of such settlement.
        
     SECTION 7.  Contribution. If the indemnification provided for in Section 6
hereof is for any reason unavailable to or insufficient to hold harmless an
indemnified party in respect of any losses, liabilities, claims, damages or
expenses referred to therein, then each indemnifying party shall contribute to
the aggregate amount of such losses, liabilities, claims, damages and expenses
incurred by such indemnified party, as incurred, (i) in such proportion as is
appropriate to reflect the relative benefits received by the Company on the one
hand and the Underwriter on the other hand from the offering of the Offered
Bonds pursuant to this Agreement or (ii) if the allocation provided by clause
(i) is not permitted by applicable law, in such proportion as is appropriate to
reflect not only the relative benefits referred to in clause (i) above but also
the relative fault of the Company on the one hand and the Underwriter on the
other hand in connection with the statements or omissions which resulted in
such losses, liabilities, claims, damages or expenses, as well as any other
relevant equitable considerations.

     The relative benefits received by the Company on the one hand and the
Underwriter on the other hand in connection with the offering of the Offered
Bonds pursuant to this Agreement shall be deemed to be in the same respective
proportions as the total net proceeds from the offering of such Offered Bonds
pursuant to this Agreement (before deducting expenses) received by the Company
and the total underwriting discount received by the Underwriter, in each case
as set forth on the cover of the Prospectus, or, if Rule 434 is used, the
corresponding location on the Term Sheet, 


                                    -30-
<PAGE>   31

bear to the aggregate initial public offering price of such Securities as set 
forth on such cover.

     The relative fault of the Company on the one hand and the Underwriter on
the other hand shall be determined by reference to, among other things, whether
any such untrue or alleged untrue statement of a material fact or omission or
alleged omission to state a material fact relates to information supplied by
the Company or by the Underwriter and the parties' relative intent, knowledge,
access to information and opportunity to correct or prevent such statement or
omission.

     The Company and the Underwriter agree that it would not be just and
equitable if contribution pursuant to this Section 7 were determined by pro
rata allocation or by any other method of allocation which does not take
account of the equitable considerations referred to above in this Section 7.
The aggregate amount of losses, liabilities, claims, damages and expenses
incurred by an indemnified party and referred to above in this Section 7 shall
be deemed to include any legal or other expenses reasonably incurred by such
indemnified party in investigating, preparing or defending against any
litigation, or any investigation or proceeding by any governmental agency or
body, commenced or threatened, or any claim whatsoever based upon any such
untrue or alleged untrue statement or omission or alleged omission.

     Notwithstanding the provisions of this Section 7, the Underwriter shall
not be required to contribute any amount in excess of the amount by which the
total price at which the Offered Bonds 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 any 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 1933 Act) shall be entitled to contribution from any
person who was not guilty of such fraudulent misrepresentation.

     For purposes of this Section 7, each person, if any, who controls an
Underwriter within the meaning of Section 15 of the 1933 Act or Section 20 of
the 1934 Act shall have the same rights to contribution as such Underwriter,
and each director of the Company, each officer of the Company who signed the
Registration Statement, and each person, if any, who controls the Company
within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act
shall have the same rights to contribution as the Company.

     SECTION 8.  Representations, Warranties and Agreements to Survive Delivery.
All representations, warranties and agreements 

                                    -31-
<PAGE>   32

contained in this Agreement, or contained in certificates of officers of the
Company submitted pursuant hereto, shall remain operative and in full force and
effect, regardless of any investigation made by or on behalf of any Underwriter
or controlling person, or by or on behalf of the Company, and shall survive
delivery of and payment for the Offered Bonds to the Underwriter.
        
     SECTION 9.  Termination of Agreement.

     (a)  The Underwriter may terminate this Agreement, by notice to the 
Company at any time at or prior to the Closing Date, if (i) there has been,
since the date of this Agreement or since the respective dates as of which
information is given in the Registration Statement, any material adverse change
or any development which could reasonably be expected to result in a
prospective material adverse change, financial or otherwise, or in the
earnings, business affairs or business prospects of the Company and its
subsidiaries considered as one enterprise, whether or not arising in the
ordinary course of business, or (ii) there has occurred any material adverse
change in the financial markets in the United States or any outbreak of
hostilities or escalation of hostilities or other calamity or crisis, or any
change or development involving a prospective change in national or
international political, financial or economic conditions the effect of which
is such as to make it, in the judgment of the Underwriter, impracticable to
market the Offered Bonds or to enforce contracts for the sale of the Offered
Bonds, or (iii) if trading in any securities of the Company has been suspended
or limited by the Commission, NASD or the New York Stock Exchange, or if
trading generally on either the American Stock Exchange, the New York Stock
Exchange or in the over-the-counter market has been suspended or limited, or
minimum or maximum prices for trading have been fixed, or maximum ranges for
prices for securities have been required, by either of said exchanges or by
such system or by order of the Commission, NASD or any other governmental
authority, or (iv) if a banking moratorium has been declared by either Federal,
New York or Michigan authorities.
        
     (b)  If this Agreement is terminated pursuant to this Section 9, such
termination shall be without liability of any party to any other party except
as provided in Section 4, and provided, further, that Sections 1, 6, 7 and 8
shall survive such termination and remain in full force and effect.

     SECTION 10.  Notices.  All notices and other communications hereunder shall
be in writing and shall be deemed to have been duly given if mailed or
transmitted by any standard form of telecommunication.  Notices to the
Underwriter shall be directed to it at the address specified in Schedule I
hereto, with a copy to LeBoeuf, Lamb, Greene & MacRae, L.L.P., 125 West 55th
Street, New York, New York  10019-5389, Attention: William S. Lamb, Esq.;


                                    -32-
<PAGE>   33


notices to the Company shall be directed to it at Michigan Consolidated Gas
Company, 500 Griswold Street, Detroit, Michigan 48226, Attention of the
Secretary with a copy to the Treasurer.

     SECTION 11.  Parties.  This Agreement shall each inure to the benefit of 
and be binding upon the Company and the Underwriter and their respective
successors.  Nothing expressed or mentioned in this Agreement is intended or
shall be construed to give any person, firm or corporation, other than the
Underwriter and the Company and their respective successors and the controlling
persons and officers and directors referred to in Sections 6 and 7 and their
heirs and legal representatives, any legal or equitable right, remedy or claim
under or in respect of this Agreement or any provision herein or therein
contained.  This Agreement and all conditions and provisions hereof are
intended to be for the sole and exclusive benefit of the parties hereto and
thereto and their respective successors and legal representatives, and said
controlling persons and officers and directors and their heirs and legal
representatives, and for the benefit of no other person, firm or corporation.
No purchaser of Offered Bonds from the Underwriter shall be deemed to be a
successor by reason merely of such purchase.
        
     SECTION 12.  GOVERNING LAW AND TIME.  THIS AGREEMENT SHALL BE GOVERNED BY
AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK APPLICABLE TO
AGREEMENTS MADE AND TO BE PERFORMED IN SAID STATE.  SPECIFIED TIMES OF DAY
REFER TO NEW YORK CITY TIME UNLESS OTHERWISE INDICATED.

     SECTION 13.  Effect of Headings.  The Article and Section headings herein
are for convenience only and shall not affect the construction hereof.



                                    -33-
<PAGE>   34


         If the foregoing is in accordance with your understanding of our
agreement, please sign and return to the Company a counterpart hereof,
whereupon this instrument, along with all counterparts, shall become a binding
agreement among the Company and the Underwriter in accordance with its terms.


                                             Very truly yours,

                                             MICHIGAN CONSOLIDATED GAS COMPANY



                                             By:  /s/ Stephen Ewing
                                                ------------------------------
                                                Name:  Stephen Ewing
                                                Title: President and Chief
                                                       Executive Officer


The foregoing Agreement is hereby
confirmed and accepted as of the
date first above written.

EDWARD D. JONES & CO., L.P.



By:  /s/ Philip R. Schwab
   -------------------------------      
   Name:  Philip R. Schwab
   Title: General Principal





                                    -34-
<PAGE>   35




                                   SCHEDULE I


UNDERWRITER:  Edward D. Jones & Co., L.P.


PURCHASE PRICE AND DESCRIPTION OF OFFERED BONDS:

     TITLE:   First Mortgage Bonds Designated As 7.60% Secured
              Medium-Term Notes, Series C, due May 1, 2017

     PRINCIPAL AMOUNT:   $15,000,000

     PURCHASE PRICE:   96.875%

     INTEREST RATE:   7.60%

     INTEREST PAYMENT DATES:   February 1 and August 1 beginning
                               on August 1, 1997

     PRICE TO PUBLIC:   Variable Price Reoffering

     MATURITY:   May 1, 2017

     SINKING FUND PROVISIONS:   None

     REDEMPTION PROVISIONS:   As set forth in the Prospectus
                              Supplement dated May 14, 1997.


OTHER PROVISIONS:

     TIME AND DATE OF DELIVERY AND PAYMENT:

          TIME:  9:00 A.M. (Eastern time)

          DATE:  May 20, 1997

     PLACE OF DELIVERY AND PAYMENT:

          DELIVERY -  Edward D. Jones & Co., L.P.
                      c/o The Depository Trust Company
                          55 Water Street
                          New York, New York  10041
 
          PAYMENT  -  Wire Transfer

          FUNDS    -  Same day funds




                                    -35-
<PAGE>   36


OFFICE FOR EXAMINATION OF OFFERED BONDS:

                     Edward D. Jones & Co., L.P.
                     12555 Manchester Road
                     St. Louis, Missouri  63131-3729


ADDRESS FOR NOTICES TO UNDERWRITER PURSUANT TO SECTION 11 OF UNDERWRITING
AGREEMENT:

                     Edward D. Jones & Co., L.P.
                     12555 Manchester Road
                     St. Louis, Missouri  63131-3729














                                    -36-
<PAGE>   37



                                 SCHEDULE II


                                                     Principal Amount
        Name of Underwriter                          of Offered Bonds
        -------------------                          ----------------   

Edward D. Jones & Co., L.P. . . . . . . . . . .         $15,000,000


      Total . . . . . . . . . . . . . . . . .           $15,000,000
                                                        ===========





<PAGE>   1
                                                                    EXHIBIT 5.3




                       MICHIGAN CONSOLIDATED GAS COMPANY
                            (A MICHIGAN CORPORATION)

                              FIRST MORTGAGE BONDS


                             UNDERWRITING AGREEMENT


                                                                    May 15, 1997



MERRILL LYNCH & CO.
Merrill Lynch, Pierce, Fenner & Smith
            Incorporated
First Chicago Capital Markets, Inc.
  as Representatives of the several Underwriters
c/o Merrill Lynch & Co.
    Merrill Lynch, Pierce, Fenner & Smith
                Incorporated
North Tower
World Financial Center
New York, New York 10281-1209
Ladies and Gentlemen:

     Michigan Consolidated Gas Company, a Michigan corporation (the "Company"),
confirms its agreement with Merrill Lynch & Co., Merrill Lynch, Pierce, Fenner &
Smith Incorporated ("Merrill Lynch") and each of the other Underwriters named in
Schedule II hereto (collectively, the "Underwriters", which term shall also
include any underwriter substituted as hereinafter provided in Section 10
hereof), for whom Merrill Lynch and First Chicago Capital Markets, Inc. are
acting as representatives (in such capacity, the "Representatives"), with
respect to the issue and sale by the Company and the purchase by the
Underwriters, acting severally and not jointly, of $40,000,000 aggregate
principal amount of its First Mortgage Bonds designated as 7.06% Secured
Medium-Term Notes, Series B, due May 1, 2012 (the "Bonds").  The Bonds will be
issued by the Company under its Indenture of Mortgage and Deed of Trust (the
"Original Indenture") dated as of March 1, 1944, under which Citibank, N.A. and
Robert T. Kirchner are now the trustees (the "Trustees"), as heretofore amended
and supplemented by thirty-four supplemental indentures, including the
Twenty-ninth Supplemental Indenture dated as of July 15, 1989 providing for the
modification and restatement of the Original Indenture which became effective on
April 1, 1994 and the Thirty-third Supplemental Indenture creating the series in
which the Bonds are to be issued.  The term "Indenture", as hereinafter used,
means such Original Indenture, as so amended and supplemented.  The Company
proposes to sell to the Underwriters Bonds in the aggregate principal amount and
with the terms specified in Schedule I hereto (the "Offered Bonds").

<PAGE>   2


     The Company understands that the Underwriters propose to make a public
offering of the Offered Bonds as soon as the Representatives deem advisable
after this Agreement has been executed and delivered.

     The Company has filed with the Securities and Exchange Commission (the
"Commission") a registration statement on Form S-3 (No. 333- 16285) covering the
registration of the Bonds under the Securities Act of 1933, as amended (the
"1933 Act"), including the related preliminary prospectus or prospectuses, and
the offering thereof from time to time in accordance with Rule 415 of the rules
and regulations of the Commission under the 1933 Act (the "1933 Act
Regulations") and the Company has filed such post-effective amendments thereto
as may be required prior to the execution of this Agreement.  Such registration
statement, as so amended, has been declared effective by the Commission.  Such
registration statement, as so amended, including the exhibits and schedules
thereto, if any, and the information, if any, deemed to be a part thereof
pursuant to Rule 430A(b) of the 1933 Act Regulations (the "Rule 430A
Information") or Rule 434(d) of the 1933 Act Regulations (the "Rule 434
Information"), is referred to herein as the "Registration Statement"; and the
final prospectus and the prospectus supplement relating to the offering of the
Offered Bonds, in the form first furnished to the Underwriters by the Company
for use in connection with the offering of the Offered Bonds, are collectively
referred to herein as the "Prospectus"; provided, however, that all references
to the "Registration Statement" and the "Prospectus" shall be deemed to include
all documents incorporated therein by reference pursuant to the Securities
Exchange Act of 1934, as amended (the "1934 Act"), prior to the execution of
this Agreement; provided, further, that if the Company files a registration
statement with the Commission pursuant to Section 462(b) of the 1933 Act
Regulations (the "Rule 462(b) Registration Statement"), then after such filing,
all references to "Registration Statement" shall be deemed to include the Rule
462(b) Registration Statement; and provided, further, that if the Company elects
to rely upon Rule 434 of the 1933 Act Regulations, then all references to
"Prospectus" shall be deemed to include the final or preliminary prospectus and
the applicable term sheet or abbreviated term sheet (the "Term Sheet"), as the
case may be, in the form first furnished to the Underwriters by the Company in
reliance upon Rule 434 of the 1933 Act Regulations, and all references in this
Agreement to the date of the Prospectus shall mean the date of the Term Sheet.
A "preliminary prospectus" shall be deemed to refer to any prospectus used
before the registration statement became effective and any prospectus that
omitted, as applicable, the Rule 430A Information, the Rule 434 Information or
other information to be included upon pricing in a form of prospectus filed with
the Commission pursuant to Rule 424(b) of the 1933 Act Regulations, that was
used after such effectiveness and prior to the execution and delivery of this
Agreement.  For purposes of this Agreement, all references to the

                                      -2-
<PAGE>   3

Registration Statement, any preliminary prospectus, the Prospectus or any Term
Sheet or any amendment or supplement to any of the foregoing shall be deemed to
include the electronically transmitted copy thereof filed with the Commission
pursuant to its Electronic Data Gathering, Analysis and Retrieval system
("EDGAR").

     All references in this Agreement to financial statements and schedules and
other information which is "contained," "included" or "stated" in the
Registration Statement, any preliminary prospectus or the Prospectus (or other
references of like import) shall be deemed to mean and include all such
financial statements and schedules and other information which is incorporated
by reference in the Registration Statement, any preliminary prospectus or the
Prospectus, as the case may be; and all references in this Agreement to
amendments or supplements to the Registration Statement, any preliminary
prospectus or the Prospectus shall be deemed to mean and include the filing of
any document under the 1934 Act which is incorporated by reference in the
Registration Statement, such preliminary prospectus or the Prospectus, as the
case may be.

     SECTION 1. Representations and Warranties.

     (a)  The Company represents and warrants to each Underwriter that:

          (i)  No stop order suspending the effectiveness of the Registration
Statement has been issued and no proceeding for that purpose has been initiated
or, to the knowledge of the Company, threatened by the Commission.

          (ii)  The Company meets the requirements for the use of Form S-3 under
the 1933 Act.  Each of the Registration Statement and any Rule 462(b)
Registration Statement has become effective under the 1933 Act.  At the
respective times the Registration Statement, any Rule 462(b) Registration
Statement and any post-effective amendments thereto (including the filing of the
Company's most recent Annual Report on Form 10-K with the Commission) became
effective and at the Closing Date, the Registration Statement, any Rule 462
Registration Statement and any amendments or supplements thereto complied and
will comply in all material respects with the requirements of the 1933 Act and
the 1933 Act Regulations and the 1939 Act and the rules and regulations of the
Commission under the 1939 Act (the "1939 Act Regulations") and did not 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
not misleading.  Neither the Prospectus nor any amendments and supplements
thereto, at the time the Prospectus or any amendment or supplement was issued
and at the Closing Date (as defined below), included or will include an untrue
statement of a material fact or omitted or will omit to state a material





                                      -3-
<PAGE>   4

fact necessary in order to make the statements therein, in the light of the
circumstances under which they were made, not misleading.  If the Company elects
to rely upon Rule 434 of the 1933 Act Regulations, the Company will comply with
the requirements of Rule 434.  Notwithstanding the foregoing, the
representations and warranties in this subsection shall not apply to statements
in or omissions from the Registration Statement or the Prospectus made in
reliance upon and in conformity with information furnished to the Company in
writing by any Underwriter through Merrill Lynch expressly for use in the
Registration Statement or the Prospectus.

          Each preliminary prospectus and prospectus filed as part of the
Registration Statement as originally filed or as part of any amendment thereto,
or filed pursuant to Rule 424 under the 1933 Act, complied as so filed in all
material respects with the 1933 Act Regulations and, if applicable, each
preliminary prospectus and the Prospectus delivered to the Underwriters for use
in connection with the offering of the Offered Bonds will, at the time of such
delivery, be identical to the electronically transmitted copies thereof filed
with the Commission pursuant to EDGAR, except to the extent permitted by
Regulation S-T.

          (iii)  The documents incorporated or deemed to be incorporated by
reference in the Registration Statement or the Prospectus, at the time they were
or hereafter are filed or last amended, as the case may be, with the Commission,
complied and will comply in all material respects with the requirements of the
1934 Act, and the rules and regulations of Commission thereunder (the "1934 Act
Regulations"), and at the time of filing or as of the time of any subsequent
amendment, 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 under which they were or
are made, not misleading; and any additional documents deemed to be incorporated
by reference in the Registration Statement or the Prospectus will, if and when
such documents are filed with the Commission, or when amended, as appropriate,
comply in all material respects to the requirements of the 1934 Act and the 1934
Act Regulations 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 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 any Underwriter through Merrill Lynch expressly for use in the
Registration Statement or the Prospectus.

          (iv)  The accountants who certified the financial statements and
supporting schedules included or incorporated by reference in the Registration
Statement and the Prospectus are





                                      -4-
<PAGE>   5

independent public accountants as required by the 1933 Act and the 1933 Act
Regulations.

          (v)  The financial statements of the Company included or incorporated
by reference in the Registration Statement and the Prospectus, together with the
related schedules and notes, present fairly the financial position of the
Company and its consolidated subsidiaries as at the dates indicated and the
results of their operations for the periods specified.  Such financial
statements have been prepared in conformity with generally accepted accounting
principles ("GAAP") applied on a consistent basis throughout the periods
involved.  The supporting schedules, if any, included or incorporated by
reference in the Registration Statement and the Prospectus present fairly in
accordance with GAAP the information required to be stated therein.  The ratio
of earnings to fixed charges included in the Prospectus has been calculated in
compliance with Item 503(d) of Regulation S-K of the Commission.  The selected
financial information and the summary financial data included in the Prospectus
present fairly the information shown therein and have been compiled on a basis
consistent with that of the audited financial statements included in the
Registration Statement and the Prospectus.

          (vi)  Since the respective dates as of which information is given in
the Registration Statement and the Prospectus, and except as otherwise stated
therein, (A) there has been no material adverse change and no development which
could reasonably be expected to result in a material adverse change in the
condition, financial or otherwise, or in the earnings, business affairs or
business prospects of the Company and its subsidiaries, considered as one
enterprise (a "Material Adverse Effect"), whether or not arising in the ordinary
course of business, (B) there have been no transactions entered into by the
Company or any of its subsidiaries, other than those arising in the ordinary
course of business, which are material with respect to the Company and its
subsidiaries, considered as one enterprise, (C) except for regular dividends on
the Company's common stock in amounts per share that are consistent with past
practice or the applicable charter document or supplement thereto, respectively,
there has been no dividend or distribution of any kind declared, paid or made by
the Company on any class of its capital stock.

          (vii)  The Company has been duly incorporated and is validly existing
as a corporation in good standing under the laws of the State of Michigan, with
corporate power and authority to own, lease and operate its properties and to
conduct its business as presently conducted and as described in the Prospectus
and to enter into and perform its obligations under, or as contemplated under,
this Agreement.  The Company is duly qualified as a foreign corporation to
transact business and is in good standing in each jurisdiction in which such
qualification is required,





                                      -5-
<PAGE>   6

whether by reason of the ownership or leasing of property or the conduct of
business, except where the failure to so qualify or be in good standing would
not have a Material Adverse Effect.

          (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, has the corporate power and authority to own,
lease and operate its properties and to conduct its business as presently
conducted and as described in the Prospectus, and is duly qualified as a foreign
corporation to transact business and is in good standing in each jurisdiction in
which such qualification is required, whether by reason of the ownership or
leasing of property or the conduct of business, except where the failure to so
qualify or be in good standing would not have a Material Adverse Effect.  Except
as otherwise stated in the Registration Statement and the Prospectus, all of the
issued and outstanding shares of capital stock of each subsidiary of the Company
have been duly authorized and validly issued, is fully paid and non-assessable
and all such shares are owned by the Company, directly or through its
subsidiaries, free and clear of any security interest, mortgage, pledge, lien,
encumbrance, claim or equity.  None of the outstanding shares of capital stock
of the subsidiaries was issued in violation of preemptive or other similar
rights arising by operation of law, under the charter or by-laws of any
subsidiary or under any agreement to which the Company or any subsidiary is a
party, or otherwise.

          (ix)  The Company has an authorized capitalization as set forth in the
Prospectus; since the date indicated in the Prospectus there has been no change
in the consolidated capitalization of the Company and its subsidiaries; and all
of the issued and outstanding capital stock of the Company has been duly
authorized and validly issued, is fully paid and non-assessable.  None of such
shares of capital stock were issued in violation of preemptive or other similar
rights arising by operation of law, under the charter or by-laws of the Company
or under any agreement to which the Company or any of its subsidiaries is a
party, or otherwise.

          (x)  The Company has good and marketable title to the properties
specifically described in and conveyed by the Indenture (except such property as
may have been disposed of or released from the lien thereof in accordance with
the terms thereof) subject only to the lien of the Indenture, to permitted
liens, as defined in the Indenture, as to property acquired by the Company
subsequent to the execution of the Original Indenture, to any liens existing
thereon or purchase money liens placed thereon at the time of such acquisition
as permitted by the Indenture, and to certain other reservations, rights of
grantors under revocable permits, easements, licenses, zoning





                                      -6-
<PAGE>   7

laws and ordinances and restrictions and minor defects or irregularities of
title which do not materially impair the use of the property affected thereby
in the operation of the business of the Company; the Company and its
subsidiaries have good and marketable title to all personal property owned by
them, in each case free and clear of all liens, encumbrances and defects except
the liens of the Indenture and such liens, encumbrances and defects 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 and its
subsidiaries; and any real property and buildings held under lease by the
Company and 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 and its subsidiaries; the pipeline, distribution main
and underground gas storage easements enjoyed by the Company and its
subsidiaries are valid, subsisting and enforceable easements with such
exceptions as are not material and do not interfere with the conduct of the
business of the Company and its subsidiaries.

          (xi)  The Offered Bonds have been duly authorized by the Company for
issuance and sale pursuant to this Agreement and, at the Closing Date, will have
been duly executed by the Company and, when authenticated in the manner provided
for in the Indenture and delivered against payment of the consideration therefor
specified in this Agreement, will constitute legal, valid and binding
obligations of the Company, enforceable against the Company in accordance with
their terms except to the extent that enforcement thereof may be limited by
bankruptcy, insolvency, reorganization, moratorium or other similar laws
relating to or affecting creditors' rights generally or by general principles of
equity (regardless of whether enforcement is considered in a proceeding at law
or in equity) (the "Bankruptcy Exceptions").  The Offered Bonds will be in the
form contemplated by, and entitled to the benefits of, the Indenture and will
conform in all material respects to the description thereof contained in the
Prospectus.

          (xii)  The Indenture has been duly authorized, executed and delivered
by the Company and qualified under the 1939 Act and constitutes a legal, valid
and binding agreement of the Company, enforceable against the Company in
accordance with its terms except to the extent that enforcement thereof may be
limited by the Bankruptcy Exceptions; the Indenture will conform in all material
respects to the description thereof contained in the Prospectus.

          (xiii)  The Indenture constitutes a legally valid and direct
enforceable first mortgage lien, except as the same may be limited by the laws
of the State of Michigan (where all of the property covered thereby is located)
affecting the remedies for the enforcement of the security provided for therein,
which laws





                                      -7-
<PAGE>   8

do not make inadequate the remedies necessary for the realization of the
benefits of such security, or as the same may be limited by the Bankruptcy
Exceptions, upon substantially all of the Company's properties and franchises,
now owned or hereafter acquired, free from all prior liens, charges or
encumbrances, except as hereinbefore set forth in subparagraph (x) above, and,
in the case of property hereafter acquired, any thereof existing at the time of
acquisition.

          (xiv)  Neither the Company nor any of its subsidiaries is in violation
of its charter or by-laws or in default in the performance or observance of any
material obligation, agreement, covenant or condition contained in any contract,
indenture, mortgage, deed of trust, note, lease, loan or credit agreement or any
other agreement or instrument to which the Company or any of its subsidiaries is
a party or by which any of them may be bound, or to which any of the property or
assets of the Company or any of its subsidiaries is subject, or in violation of
any applicable law, rule or regulation or any judgment, order or decree of any
government, governmental instrumentality or court, domestic or foreign, having
jurisdiction over the Company or any of its subsidiaries or any of their
respective properties or assets, which violation or default would, singly or in
the aggregate, have a Material Adverse Effect.

          (xv)  The issuance and sale of the Offered Bonds, the compliance by
the Company with all of the provisions of the Offered Bonds, the execution,
delivery and performance by the Company of this Agreement, the Indenture and the
Offered Bonds and any other agreement or instrument entered into or issued or to
be entered into or issued by the Company in connection with the transactions
contemplated hereby or thereby or in the Prospectus, and the consummation of the
transactions contemplated herein and therein and compliance by the Company with
its obligations hereunder and thereunder have been duly authorized by all
necessary corporate action and do not and will not conflict with or result in a
breach of any of the terms or provisions of, or constitute a default under or
require the consent of any party under, or result in the creation or imposition
of any lien on the properties or assets of the Company or any of its
subsidiaries pursuant to, any contract, indenture, mortgage, deed of trust,
note, lease, agreement or other instrument to which the Company or any of its
subsidiaries is a party or by which any of them may be bound, nor will such
action result in any violation of the provisions of the charter or by-laws of
the Company and its subsidiaries or any applicable law, rule or regulation or
any judgment, order or decree of any government, governmental instrumentality or
court, domestic or foreign, having jurisdiction over the Company or any of its
subsidiaries or any of their respective properties or assets.

          (xvi)  This Agreement has been duly authorized, executed and delivered
by the Company.





                                      -8-
<PAGE>   9

          (xvii)  There is no action, suit, proceeding, inquiry or investigation
before or brought by any court or governmental agency or body, domestic or
foreign, now pending or to the knowledge of the Company threatened against or
affecting the Company or any of its subsidiaries which is required to be
disclosed in the Registration Statement and the Prospectus (other than as stated
therein), or which might reasonably be expected to result in a Material Adverse
Effect, or which might be reasonably expected to materially and adversely affect
the properties, assets or operations thereof or the consummation of this
Agreement, the Indenture or the transactions contemplated herein or therein.
The aggregate of all pending legal or governmental proceedings to which the
Company or any of its subsidiaries is a party or of which any of their
respective properties, assets or operations is the subject which are not
described in the Registration Statement and the Prospectus, including ordinary
routine litigation incidental to the business, could not reasonably be expected
to result in a Material Adverse Effect.

          (xviii)  No labor dispute with the employees of the Company or any of
its subsidiaries exists or, to the knowledge of the Company, is imminent; and
the Company is not aware of any existing or imminent labor disturbance by the
employees of any of its or any subsidiary's principal suppliers, manufacturers,
customers or contractors which may be expected to result in a Material Adverse
Effect.

          (xix)  There are no contracts or documents which are required to be
described in the Registration Statement, the Prospectus or the documents
incorporated by reference therein, or to be filed as exhibits thereto which have
not been so described and/or filed as required.

          (xx)  No filing with, or authorization, approval, consent, license,
order, registration or qualification or decree of, any court or governmental
authority or agency is necessary or required for the performance by the Company
of its obligations hereunder, in connection with the offering, issuance or sale
of the Offered Bonds or the consummation of the transactions contemplated by
this Agreement or the Indenture, except such as have been already obtained or as
may be required under state or foreign securities or blue sky laws.

          (xxi)  The Company and its subsidiaries possess all licenses,
franchises, permits, certificates, authorizations, approvals, consents, orders
and other operating rights from the Federal Energy Regulatory Commission, the
State of Michigan and all governmental authorities or agencies necessary for the
ownership or lease of the material properties owned or leased by each of them
and for the operation of the business carried on by each of them, except where
the failure to so comply would not, singly or in the aggregate, result in a
Material Adverse Effect; all such licenses, franchises, permits, certificates, 





                                      -9-
<PAGE>   10


authorizations, approvals, consents and orders are in full force and effect and
contain no unduly burdensome provisions that would interfere with the conduct of
the business of the Company and its subsidiaries, considered as one enterprise
and, except as otherwise set forth in the Registration Statement and the
Prospectus, there are no legal or governmental proceedings pending or threatened
that would result in a material modification, suspension or revocation thereof.

          (xxii)  The Company is a "subsidiary company" of a "holding company"
as such terms are defined in the Public Utility Holding Company Act of 1935 (the
"1935 Act"), and such "holding company" and the Company are presently exempt
from the provisions of the 1935 Act (except Section 9 thereof).

          (xxiii)  None of Company or any of its subsidiaries is an "investment
company" or under the "control" of an "investment company" as such terms are
defined under the Investment Company Act of 1940, as amended (the "1940 Act").

          (xxiv)  The Company has complied with, and is and will be in
compliance with, the provisions of that certain Florida act relating to
disclosure of doing business with Cuba, codified as Section 517.075 of the
Florida statutes, and the rules and regulations thereunder (collectively, the
"Cuba Act") or is exempt therefrom.

          (xxv)  Immediately after the sale of the Offered Bonds by the Company
hereunder, the aggregate amount of the Offered Bonds which shall have been
issued and sold by the Company hereunder and of any debt securities of the
Company (other than the Offered Bonds) that shall have been issued and sold
pursuant to the Registration Statement will not exceed the amount of debt
securities registered under the Registration Statement.

          (xxvi)  None of the Company, its subsidiaries or any of their
respective directors, officers or controlling persons, has taken, directly or
indirectly, any action resulting in a violation of Regulation M under the 1934
Act, or designed to cause or result in, or that has constituted or that
reasonably might be expected to constitute, the stabilization or manipulation of
the price of any security of the Company to facilitate the sale or resale of the
Offered Bonds.

          (xxvii)  No "forward looking statement" (as defined in Rule 175 under
the 1933 Act) contained in the Registration Statement, any preliminary
prospectus or the Prospectus was made or reaffirmed without a reasonable basis
or was disclosed other than in good faith.

     (b)  Any certificate signed by any officer of the Company and delivered to
the Representatives or to counsel for the Underwriters in connection with the
offering of the Offered Bonds





                                      -10-
<PAGE>   11

shall be deemed a representation and warranty by the Company to each
Underwriter as to the matters covered thereby.

     SECTION 2. Sale and Delivery to Underwriters; Closing.

     (a)  On the basis of the representations and warranties herein contained
and subject to the terms and conditions herein set forth, the Company agrees to
sell to each Underwriter, and each Underwriter, severally and not jointly,
agrees to purchase from the Company, at the purchase price set forth in Schedule
I hereto, the respective principal amounts of the Offered Bonds set forth
opposite the name of such Underwriter in Schedule II hereto, plus any additional
principal amount of Offered Bonds which such Underwriter may become obligated to
purchase pursuant to the provisions of Section 10 hereof.

     (b)  Payment of the purchase price for, and delivery of certificates for,
the Offered Bonds shall be made at the office at the location specified in
Schedule I, at 9:00 A.M. (Eastern time) on the third (fourth, if the pricing
occurs after 4:30 P.M., Eastern time, on any given day) business day after the
date hereof (unless postponed in accordance with the provisions of Section 10),
or such other time not later than ten business days after such date as shall be
agreed upon by the Representatives and the Company (such time and date of
payment and delivery being herein called the "Closing Date").

          Payment shall be made to the Company by certified or official bank
check or checks, or by wire transfer in the type of funds specified in Schedule
I, payable to the order of the Company, against delivery to the Representatives
for the respective accounts of the Underwriters of certificates for the Offered
Bonds to be purchased by them.  It is understood that each Underwriter has
authorized the Representatives, for its account, to accept delivery of, receipt
for, and make payment of the purchase price for, the Offered Bonds which it has
agreed to purchase.  Merrill Lynch, individually and not as representative of
the Underwriters, may (but shall not be obligated to) make payment of the
purchase price for the Offered Bonds to be purchased by any Underwriter whose
check has not been received by the Closing Date, but such payment shall not
relieve such Underwriter from its obligations hereunder.

     (c)  Certificates for the Offered Bonds shall be in such denominations and
registered in such names as the Representatives may request in writing at least
one full business day before the Closing Date.  The certificates for the Offered
Bonds will be made available to for examination and packaging by the
Representatives at the location specified in Schedule I hereto not later than
10:00 a.m., Eastern time, on the business day prior to the Closing Date.





                                      -11-
<PAGE>   12


     SECTION 3. Covenants of the Company.  The Company covenants with each
Underwriter as follows:

     (a)  Promptly following the execution of this Agreement, the Company will
cause the Prospectus, including as a part thereof a prospectus supplement
relating to the Offered Bonds to be filed with the Commission pursuant to Rule
424 of the 1933 Act Regulations and the Company will promptly advise the
Representatives when such filing has been made.  Prior to the filing, the
Company will cooperate with the Representatives in the preparation of such
prospectus supplement to assure that the Representatives have no reasonable
objection to the form or content thereof when filed or mailed.

     (b)  The Company, subject to Section 3(c), will comply with the
requirements of Rule 434 of the 1933 Act Regulations if and as applicable, and
will notify the Representatives immediately, and confirm the notice in writing,
(i) of the effectiveness of any post-effective amendment to the Registration
Statement or the filing of any supplement or amendment to the Prospectus, (ii)
the receipt of any comments from the Commission, (iii) of any request by the
Commission for any amendment to the Registration Statement or any amendment or
supplement to the Prospectus or for additional information, (iv) of the issuance
by the Commission of any stop order suspending the effectiveness of the
Registration Statement or suspending the use of any preliminary prospectus, or
the initiation of any proceedings for that purpose and (v) of the issuance by
any state securities commission or other regulatory authority of any order
suspending the qualification or the exemption from qualification of the Offered
Bonds under state securities or Blue Sky laws or the initiation or threatening
of any proceeding for such purpose.  The Company will make every reasonable
effort to prevent the issuance of any stop order and, if any stop order is
issued, to obtain the lifting thereof at the earliest possible moment.

     (c)  The Company will give the Representatives notice of its intention to
file or prepare any amendment to the Registration Statement (including any
post-effective amendment and any filing under Rule 462(b) of the 1933 Act
Regulations), any Term Sheet or any amendment, supplement or revision to either
the prospectus included in the Registration Statement at the time it became
effective or to the Prospectus, whether pursuant to the 1933 Act, the 1934 Act
or otherwise; will furnish the Representatives with copies of any such Rule
462(b) Registration Statement, Term Sheet, amendment, supplement or revision a
reasonable amount of time prior to such proposed filing or use, as the case may
be; and will not file any such Rule 462(b) Registration Statement, Term Sheet,
amendment, supplement or revision to which the Representatives or counsel for
the Underwriters shall object.

     (d)  The Company will comply with the 1933 Act and the 1933 Act Regulations
and the 1934 Act and the 1934 Act Regulations so





                                      -12-
<PAGE>   13

as to permit the completion of the distribution of the Offered Bonds as
contemplated in this Agreement and in the Registration Statement and the
Prospectus.  If at any time when the Prospectus is required by the 1933 Act or
the 1934 Act to be delivered in connection with sales of the Offered Bonds, any
event shall occur or condition shall exist as a result of which it is necessary,
in the opinion of counsel for the Underwriters or for the Company, to amend the
Registration Statement in order that the Registration Statement 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 not misleading
or to amend or supplement the Prospectus in order that the Prospectus will not
include an untrue statement of a material fact or omit to state a material fact
necessary in order to make the statements therein not misleading in the light of
the circumstances existing at the time it is delivered to a purchaser, or if it
shall be necessary, in the opinion of such counsel, at any such time to amend
the Registration Statement or amend or supplement the Prospectus in order to
comply with the requirements of the 1933 Act or the 1933 Act Regulations, the
Company will promptly prepare and file with the Commission, subject to Section
3(c), such amendment or supplement as may be necessary to correct such statement
or omission or to make the Registration Statement or the Prospectus comply with
such requirements, and the Company will furnish to the Underwriters, without
charge, such number of copies of such amendment or supplement as the
Underwriters may reasonably request.

     (e)  The Company will make generally available to its security holders as
soon as practicable, but not later than 45 days (or 90 days, in the case of a
period that is also the Company's fiscal year) after the close of the period
covered thereby, an earnings statement of the Company and its subsidiaries (in
form complying with the provisions of Rule 158 of the 1933 Act Regulations)
covering a twelve-month period beginning not later than the first day of the
Company's fiscal quarter next following the "effective date" (as defined in said
Rule 158) of the Registration Statement.

     (f)  The Company will deliver to the Representatives and counsel for the
Underwriters, without charge, signed copies of the Registration Statement as
originally filed and of each amendment thereto (including exhibits filed
therewith or incorporated by reference therein and documents incorporated or
deemed to be incorporated by reference therein) and signed copies of all
consents and certificates of experts, and will also deliver to the
Representatives, without charge, a conformed copy of the Registration Statement
as originally filed and of each amendment thereto (without exhibits) for each of
the Underwriters.  If applicable, the copies of the Registration Statement and
each amendment thereto furnished to the Underwriters will be identical to the
electronically transmitted





                                      -13-
<PAGE>   14

copies thereof filed with the Commission pursuant to EDGAR, except to the extent
permitted by Regulation S-T.

     (g)  The Company will deliver to each Underwriter, without charge, as many
copies of each preliminary prospectus as such Underwriter may reasonably
request, and the Company hereby consents to the use of such copies for purposes
permitted by the 1933 Act.  The Company will furnish to each Underwriter,
without charge, during the period when the Prospectus is required to be
delivered under the 1933 Act or the 1934 Act, such number of copies of the
Prospectus (as amended or supplemented) as such Underwriter may reasonably
request.  If applicable, the Prospectus and any amendments or supplements
thereto furnished to the Underwriters will be identical to the electronically
transmitted copies thereof filed with the Commission pursuant to EDGAR, except
to the extent permitted by Regulation S-T.

     (h)  The Company will use its best efforts, in cooperation with the
Underwriters, to qualify the Offered Bonds for offering and sale under the
applicable securities laws of such states and other jurisdictions (domestic or
foreign) as Merrill Lynch may designate; provided, however, that the Company
shall not be obligated to qualify as a foreign corporation in any jurisdiction
in which it is not so qualified or subject itself to taxation in respect of
doing business in any jurisdiction in which it is not otherwise so subject.  In
each jurisdiction in which the Offered Bonds have been so qualified, the Company
will file such statements and reports as may be required by the laws of such
jurisdiction to continue such qualification in effect for so long as may be
required in connection with distribution of the Offered Bonds.

     (i)  The Company will use the net proceeds received by it from the sale of
the Offered Bonds in the manner specified in the Prospectus under "Use of
Proceeds".

     (j)  If, at the time that the Registration Statement became (or in the case
of a post-effective amendment becomes) effective, any information shall have
been omitted therefrom in reliance upon Rule 434 of the 1933 Act Regulations,
then immediately  following the execution of this Agreement, the Company will
prepare, and file or transmit for filing with the Commission in accordance with
such Rule 434 and Rule 424(b) of the 1933 Act Regulations, copies of an amended
Prospectus, or Term Sheet, containing all information so omitted.

     (k)  If the Company elects to rely upon Rule 462(b), the Company shall file
a Rule 462(b) Registration Statement with the Commission in compliance with Rule
462(b) and pay the applicable fees in accordance with Rule 111 of the 1933 Act
Regulations by the time confirmations are sent or given, as specified by Rule
462(b)(2).





                                      -14-
<PAGE>   15

     (l)  The Company, during the period when the Prospectus is required to be
delivered under the 1933 Act, will file all documents required to be filed with
the Commission pursuant to the 1934 Act within the time periods required by the
1934 Act and the 1934 Act Regulations.

     (m)  During a period of fifteen days from the date of the Prospectus, the
Company will not, without the prior written consent of Merrill Lynch, directly
or indirectly, issue, sell, contract to sell, grant any option for the sale of,
or otherwise transfer or dispose of any debt securities of the Company which
mature more than one year after the Closing Date and which are substantially
similar to the Offered Bonds, except for the offer by the Company of $15,000,000
aggregate principal amount of First Mortgage Bonds designated as Secured
Medium-Notes, Series C, due May 1, 2017 and $30,000,000 aggregate principal
amount of First Mortgage Bonds designated as Secured Medium-Term Notes, Series
C, due May 1, 2007.

     (n)  None of the Company, its subsidiaries or any of their respective
directors, officers or controlling persons, will take, directly or indirectly,
any action resulting in a violation of Regulation M under the 1934 Act, or
designed to cause or result in, or that reasonably might be expected to
constitute, the stabilization or manipulation of the price of any security of
the Company to facilitate the sale or resale of the Offered Bonds.

     SECTION 4. Payment of Expenses.  The Company will pay all expenses incident
to the performance of its obligations under this Agreement, including, without
limitation, expenses related to the following, if incurred:  (i) the
preparation, delivery, printing and filing of the Registration Statement and
Prospectus as originally filed (including financial statements and exhibits)
and of each amendment thereto; (ii) the printing and delivery to the
Underwriters of this Agreement, any Agreement among Underwriters, the Indenture
and such other documents as may be required in connection with the offering,
purchase, sale and delivery of the Offered Bonds; (iii) the preparation,
issuance and delivery of the certificates for the Offered Bonds to the
Underwriters; (iv) all costs, taxes and expenses incident to the issue and
delivery of the Offered Bonds to the Underwriters; (v) the fees, expenses and
disbursements of the Company's counsel, accountants and other advisors; (vi)
the qualification of the Offered Bonds under securities laws in accordance with
the provisions of Section 3(h), including filing fees and the fees, expenses
and disbursements of counsel for the Underwriters in connection therewith and
in connection with the preparation of the Blue Sky Survey, any supplement
thereto and any Legal Investment Survey; (vii) the printing and delivery to the
Underwriters of copies of the Registration Statement as originally filed and of
each amendment thereto, of each preliminary prospectus, any Term Sheet and of
the Prospectus and any amendments or supplements thereto; (viii) the printing
and 
        





                                      -15-
<PAGE>   16
delivery to the Underwriters of copies of the Blue Sky Survey, any supplement
thereto and any Legal Investment Survey; (ix) the fees and expenses of the
Trustees, including the fees, expenses and disbursements of counsel for the
Trustees in connection with the Indenture and the Offered Bonds; and (x) any
fees payable in connection with the rating of the Offered Bonds by nationally
recognized statistical rating organizations.
        
          If this Agreement is terminated by the Representatives in accordance
with the provisions of Section 5 or Section 9(a)(i) hereof, the Company shall
reimburse the Underwriters for all of its out-of-pocket expenses, including the
reasonable fees, expenses and disbursements of LeBoeuf, Lamb, Greene & MacRae,
L.L.P., counsel for the Underwriters.

     SECTION 5.  Conditions of Underwriters' Obligation.  The obligations of the
several Underwriters to purchase and pay for the Offered Bonds pursuant to this
Agreement are subject to the accuracy of the representations and warranties of
the Company herein contained or in certificates of any officer of the Company or
any subsidiary delivered pursuant to the provisions hereof, to the performance
by the Company of its obligations hereunder, and to the following further
conditions:

     (a)  The Registration Statement, including any Rule 462(b) Registration
Statement, shall have become effective under the 1933 Act not later than 5:30
p.m., New York City time, on the date hereof, and on the date hereof and at the
Closing Date, no stop order suspending the effectiveness of the Registration
Statement or any part thereof shall have been issued under the 1933 Act or
proceedings therefor initiated or threatened by the Commission, and any request
on the part of the Commission for additional information shall have been
complied with to the satisfaction of counsel to the Underwriters.  A prospectus
containing information relating to the description of the Offered Bonds, the
specific method of distribution and similar matters shall have been filed with
the Commission in accordance with Rule 424(b)(1), (2), (3), (4) or (5), as
applicable, or, if the Company has elected to rely upon Rule 434 of the 1933 Act
Regulations, a Term Sheet including the Rule 434 Information shall have been
filed with the Commission in accordance with Rule 424(b)(7).

     (b)  At the Closing Date, the Representatives shall have received:

          (1)  The favorable opinion, dated as of the Closing Date, of Susan K.
McNish, Vice President, General Counsel and Secretary of the Company, in form
and substance satisfactory to counsel for the Underwriters, to the effect that:

               (i)   The Company has been duly incorporated and is validly
existing as a corporation in good standing under





                                      -16-
<PAGE>   17

the laws of the State of Michigan, with corporate power and authority to own,
lease and operate its properties and to conduct its business as presently
conducted and as described in the Prospectus and to enter into and perform its
obligations under, or as contemplated under, this Agreement.

          (ii)   The Company is duly qualified as a foreign corporation to
transact business and is in good standing in each jurisdiction in which such
qualification is required, whether by reason of the ownership or leasing of
property or the conduct of business, except where the failure so to qualify or
to be in good standing would not have a Material Adverse Effect.

          (iii)   The Company has an authorized capitalization as set forth in
the Prospectus, and all of the shares of issued and outstanding capital stock of
the Company have been duly authorized and validly issued and is fully paid and
non-assessable. None of such shares of capital stock were issued in violation of
preemptive or other similar rights arising by operation of law, under the
charter or by-laws of the Company or under any agreement to which the Company or
any of its subsidiaries is a party, or otherwise.

          (iv)   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, has the corporate power and authority to own,
lease and operate its properties and to conduct its business as presently
conducted and as described in the Prospectus, and is duly qualified as a foreign
corporation to transact business and is in good standing in each jurisdiction in
which such qualification is required, whether by reason of the ownership or
leasing of property or the conduct of business, except where the failure to so
qualify or be in good standing would not have a Material Adverse Effect.  Except
as otherwise stated in the Registration Statement and the Prospectus, all of the
issued and outstanding shares of capital stock of each such subsidiary of the
Company has been duly authorized and validly issued, is fully paid and
non-assessable and all such shares are owned by the Company, directly or through
its subsidiaries, free and clear of any security interest, mortgage, pledge,
lien, encumbrance, claim or equity.

          (v)   to the best of such counsel's knowledge, neither the Company nor
any of its subsidiaries is in violation of its charter or by-laws and no default
by the Company or any subsidiary exists in the due performance or observance of
any material obligation, agreement, covenant or condition contained in any
contract, indenture, mortgage, deed of trust, note, lease, loan agreement or
other





                                      -17-
<PAGE>   18

agreement or instrument to which the Company or any of its subsidiaries is a
party or by which any of them may be bound, or to which any of the properties or
assets of the Company or any of its subsidiaries is subject.

          (vi)      The Company meets the registrant requirements for use of
Form S-3 under the 1933 Act Regulations.

          (vii)   The issuance and sale of the Offered Bonds, the compliance by
the Company with all of the provisions of the Offered Bonds, the execution,
delivery and performance by the Company of this Agreement, the Indenture and the
Offered Bonds and any other agreement or instrument entered into or issued or to
be entered into or issued by the Company in connection with the transactions
contemplated hereby or thereby or in the Prospectus, and the consummation of the
transactions contemplated herein and therein and compliance by the Company with
its obligations hereunder and thereunder have been duly authorized by all
necessary corporate action and do not and will not conflict with or result in a
breach of any of the terms or provisions of, or constitute a default under or
require the consent of any party under, or result in the creation or imposition
of any lien on the properties or assets of the Company or any of its
subsidiaries pursuant to, any contract, indenture, mortgage, deed of trust,
note, lease, agreement or other instrument to which the Company or any of its
subsidiaries is a party or by which any of them may be bound, nor will such
action result in any violation of the provisions of the charter or by-laws of
the Company and its subsidiaries or any applicable law, rule or regulation or
any judgment, order or decree of any government, governmental instrumentality or
court, domestic or foreign, having jurisdiction over the Company or any of its
subsidiaries or any of their respective properties or assets.

          (viii)   No filing with, or authorization, approval, consent, license,
order, registration or qualification or decree of, any court or governmental
authority or agency is necessary or required for the performance by the Company
of its obligations hereunder, in connection with the offering, issuance or sale
of the Offered Bonds or the consummation of the transactions contemplated by
this Agreement or the Indenture, except such as have been already obtained or as
may be required under state or foreign securities or blue sky laws.

          (ix)      All descriptions in the Prospectus of contracts and other
documents to which the Company or its subsidiaries are a party are accurate in
all material respects; to the best of such counsel's knowledge and information,
there are no franchises, contracts, indentures,





                                      -18-
<PAGE>   19

mortgages, agreements, notes, leases or other instruments required to be
described or referred to or incorporated by reference in the Registration
Statement or to be filed as exhibits thereto other than those described or
referred to or incorporated by reference therein or filed as exhibits thereto,
and the descriptions thereof or references thereto are correct in all material
respects; and no default exists in the due performance or observance of any
material obligation, agreement, covenant or condition contained in any contract,
indenture, mortgage, agreement, note, lease or other instrument so described,
referred to, filed or incorporated by reference.

          (x)   The Company and its subsidiaries possess all licenses,
franchises, permits, certificates, authorizations, approvals, consents, orders
and other operating rights from the Federal Energy Regulatory Commission, the
State of Michigan and all governmental authorities or agencies necessary for the
ownership or lease of the material properties owned or leased by each of them
and for the operation of the business carried on by each of them, except where
the failure to so comply would not, singly or in the aggregate, result in a
Material Adverse Effect; all such licenses, franchises, permits, certificates,
authorizations, approvals, consents and orders are in full force and effect and
contain no unduly burdensome provisions that would interfere with the conduct of
the business of the Company and its subsidiaries, considered as one enterprise
and, except as otherwise set forth in the Registration Statement or the
Prospectus, there are no legal or governmental proceedings pending or threatened
that would result in a material modification, suspension or revocation thereof.

          (xi)   To the best of such counsel's knowledge, there is no action,
suit, proceeding, inquiry or investigation before or brought by any court or
governmental agency or body, domestic or foreign, pending or threatened against
or affecting the Company or any of its subsidiaries which is required to be
disclosed in the Registration Statement and the Prospectus (other than as stated
therein), or which might reasonably be expected to result in a Material Adverse
Effect, or which might be reasonably expected to materially and adversely affect
the properties, assets or operations thereof or the consummation of this
Agreement, the Indenture or the transactions contemplated herein or therein.
The aggregate of all pending legal or governmental proceedings to which the
Company or any of its subsidiaries is a party or of which any of their
respective properties, assets or operations is the subject which are not
described in the Registration Statement and the Prospectus, including ordinary
routine litigation incidental





                                      -19-
<PAGE>   20

to the business, could not reasonably be expected to result in a Material
Adverse Effect.

          (xii)   The Company and its subsidiaries have good and marketable
title to all personal property owned by them, free and clear of all liens,
encumbrances and defects except the liens of the Indenture and such liens,
encumbrances and defects 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 and its subsidiaries; and any real property and buildings held
under lease by the Company and 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 and its subsidiaries;

          (xiii)   The information in the Prospectus under the captions
"Summary," "The Company," "Capitalization at March 31, 1997," "Use of Proceeds,"
"Description of the Offered Bonds" and "Description of the New Bonds", to the
extent that they involve matters of law, summaries of legal matters, documents
or proceedings, or legal conclusions, has been reviewed by such counsel and is
correct in all material respects.

          (xiv)   The Offered Bonds and the Indenture conform in all material
respects to the descriptions thereof contained in the Prospectus.

          (xv)   The Registration Statement, including any Rule 462(b)
Registration Statement, is effective under the 1933 Act; any required filing of
the Prospectus pursuant to Rule 424(b) has been made in the manner and within
the time period required by Rule 424(b); and no stop order suspending the
effectiveness of the Registration Statement has been issued under the 1933 Act
or proceedings therefor initiated, to the best of such counsel's knowledge, or
threatened by the Commission.

          (xvi)   The Registration Statement, including any Rule 462(b)
Registration Statement and the Prospectus, and each amendment or supplement
thereto (other than the financial statements and the notes thereto, the
financial schedules and any other financial data included or incorporated by
reference therein, or the exhibits to the Registration Statement, including any
Form T-1, as to which no opinion need be rendered), as of their respective
effective or issue dates, or when amended, as appropriate, complied as to form
in all material respects with the requirements of the 1933 Act and the 1933 Act
Regulations.





                                      -20-


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