MCN ENERGY GROUP INC
8-K, 1998-04-02
NATURAL GAS DISTRIBUTION
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<PAGE>   1
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                                   FORM 8-K

                                CURRENT REPORT

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

       DATE OF REPORT (DATE OF EARLIEST EVENT REPORTED) MARCH 31, 1998

                             MCN ENERGY GROUP INC
            (Exact name of registrant as specified in its charter)

     MICHIGAN                 1-10070                 38-2820658
State of Incorporation     (Commission File        (I.R.S. Employer
                              Number               Identification No.)

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

             Registrant's telephone number, including area code:
                                (313) 256-5500
   
<PAGE>   2

ITEM 5. OTHER EVENTS

        The registrant is filing herewith the following in connection with the
offering by MCN Investment Corporation ("MCN Investment") of its 6.30%
MandatOry Par Put Remarketed Securities due April 2, 2011 (the "2011
MOPPRS") and its 6.35% MandatOry Par Put Remarketed Securities due April 2,
2012 (the "2012 MOPPRS") pursuant to the registration statement of the
registrant and MCN Investment on Form S-3 (No. 333-47137) filed with the
Securities and Exchange Commission under the Securities Act of 1933.

                              INDEX TO EXHIBITS


EXHIBIT
NUMBER                              EXHIBIT


4-1             Form of Note with respect to the 2011 MOPPRS

4-2             Form of Note with respect to the 2012 MOPPRS

10-1            Remarketing Agreement, dated as of March 31, 1998, between MCN
                Investment Corporation, MCN Energy Group Inc and Merrill Lynch,
                Pierce, Fenner & Smith Incorporated with respect to the 2011 
                MOPPRS

10-2            Remarketing Agreement, dated as of March 31, 1998, between MCN
                Investment Corporation, MCN Energy Group Inc and Merrill Lynch, 
                Pierce, Fenner & Smith Incorporated with respect to the 2012 
                MOPPRS




<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.

                                MCN ENERGY GROUP INC.
                                
                                By /s/ Sebastian Coppola
                                   ---------------------------
                                   Sebastian Coppola
                                   Senior Vice President and Treasurer

Date:  April 1, 1998 


<PAGE>   1
                                                                     EXHIBIT 4.1

CUSIP: 55269AAA5                                                    $100,000,000
No. R-1

         THIS SECURITY IS IN GLOBAL FORM WITHIN THE MEANING OF THE INDENTURE
HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A
NOMINEE OF A DEPOSITARY. UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART
FOR A SECURITY IN CERTIFICATED FORM, THIS SECURITY MAY NOT BE TRANSFERRED EXCEPT
AS A WHOLE BY THE DEPOSITARY TO A NOMINEE OF THE DEPOSITARY OR BY A NOMINEE OF
THE DEPOSITARY TO THE DEPOSITARY OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE
DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY.

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


                           MCN INVESTMENT CORPORATION

      6.30% MandatOry Par Put Remarketed Securities(SM)* ("MOPPRS(SM)")
                              due April 2, 2011


         MCN INVESTMENT CORPORATION, a corporation duly organized and existing
under the laws of the State of Michigan (the "Company", which term includes any
successor corporation under the Indenture hereinafter referred to), for value
received, hereby promises to pay to Cede & Co. or registered assigns, at the
office or agency of the Company in The City of New York, New York, the principal
sum of ONE HUNDRED MILLION DOLLARS ($100,000,000) on April 2, 2011 (the "Stated
Maturity Date"), in the coin or currency of the United States, and to pay
interest, semiannually on April 2 and October 2 of each year (each, an "Interest
Payment Date"), commencing October 2, 1998, on said principal sum at said office
or agency, in like coin or currency, at the rate per annum specified below, from
the April 2 or the October 2, as the case may be, next preceding the date of
this MOPPRS to which interest has been paid or duly provided for, unless the
date hereof is a date to which interest has been paid or duly provided for, in
which case from the date of this MOPPRS, or unless no interest has been paid or
duly provided for on these MOPPRS, in which case from March 31, 1998, until
payment of said principal sum has been made or duly provided for; provided, that
payment of interest may 

- --------------
*"MandatOry Par Put Remarketed Securities(SM)" and "MOPPRS(SM)" are service
marks owned by Merrill Lynch & Co., Inc.
<PAGE>   2


be made at the option of the Company by check mailed to the address of the
person entitled thereto as such address shall appear on the Security Register of
the Company as provided in the Indenture. Notwithstanding the foregoing, if the
date hereof is after the 17th day of March or September, as the case may be, and
before the following April 2 or October 2, this MOPPRS shall bear interest from
such April 2 or October 2; provided, that if the Company shall default in the
payment of interest due on such April 2 or October 2, then this MOPPRS shall
bear interest from the next preceding April 2 or October 2 to which interest has
been paid or duly provided for or, if no interest has been paid or duly provided
for on these MOPPRS, from March 31, 1998. The interest so payable on any April 2
or October 2 will, subject to certain exceptions provided in the Indenture
referred to on the reverse hereof, be paid to the person in whose name this
MOPPRS (or one or more Predecessor Securities) is registered at the close of
business on the fifteenth calendar day next preceding such April 2 or October 2,
as the case may be, whether or not such day is a Business Day.

         The rate of interest on this MOPPRS shall be 6.30% per annum to April
2, 2001 (the "Remarketing Date"). If, pursuant to the Remarketing Agreement,
dated as of the date hereof (the "Remarketing Agreement"), between Merrill
Lynch, Pierce, Fenner & Smith Incorporated, as Remarketing Dealer (the
"Remarketing Dealer"), and the Company, the Remarketing Dealer elects to
remarket the MOPPRS, then, except as otherwise set forth on the reverse hereof,
(i) this MOPPRS shall be subject to mandatory tender to the Remarketing Dealer
for remarketing on the Remarketing Date, on the terms and subject to the
conditions set forth on the reverse hereof, and (ii) on and after the
Remarketing Date, this MOPPRS shall bear interest at the rate determined by the
Remarketing Dealer in accordance with the procedures set forth in Section 4 on
the reverse hereof (the "Interest Rate to Maturity").

         Reference is made to the further provisions of this MOPPRS set forth on
the reverse hereof. Such further provisions shall for all purposes have the same
effect as though fully set forth at this place.

         This MOPPRS shall not be valid or become obligatory for any purpose
until the certificate of authentication hereon shall have been manually signed
by the Trustee under the Indenture referred to on the reverse hereof.


                                      -2-
<PAGE>   3


         IN WITNESS WHEREOF, MCN INVESTMENT CORPORATION has caused this
instrument to be duly executed under its corporate seal.

Dated: 3/31/98

                                        MCN INVESTMENT CORPORATION


                                        By: /s/ Sebastian Coppoia
                                            ----------------------------------
                                            Title: Vice President and
                                                   Treasurer



Attest:                                                                [SEAL]


By: /s/ Daniel L. Schiffer
   -------------------------------
   Title:  Vice President, 
           Secretary and General Counsel


                          CERTIFICATE OF AUTHENTICATION


         This is one of the MOPPRS of the series designated therein referred to
in the within-mentioned Indenture.

Dated:


                                      NBD BANK, as Trustee



                                      By: /s/ Ernest Peck
                                         --------------------------------------
                                                Authorized Signatory



                                      -3-
<PAGE>   4


                           MCN INVESTMENT CORPORATION

         6.30% MandatOry Par Put Remarketed Securities(SM) ("MOPPRS(SM)")
                                due April 2, 2011

         1. Indenture. (a) This MOPPRS is one of the duly authorized issue of
securities of the Company (hereinafter called the "Securities") of the series
hereinafter specified, all issued or to be issued under and pursuant to an
Indenture, dated as of September 1, 1995 (herein called the "Indenture"), duly
executed and delivered by the Company to NBD Bank, as Trustee (herein called the
"Trustee," which term includes any successor trustee under the Indenture), to
which Indenture and all indentures supplemental thereto reference is hereby made
for a description of the rights, limitations of rights, obligations, duties and
immunities thereunder of the Trustee, the Company and the Holders of the
Securities. The Securities may be issued in one or more series, which different
series may be issued in various aggregate principal amounts, may mature at
different times, may bear interest, if any, at different rates, may be subject
to different redemption provisions (if any) and may be subject to different
sinking, purchase or analogous funds (if any) and may otherwise vary as provided
in the Indenture. This Security is one of the series designated as the 6.30%
MandatOry Par Put Remarketed Securities(SM) ("MOPPRS(SM)") due April 2, 2011 
of the Company limited in aggregate principal amount to $100,000,000.

         (b) Interest will be computed on the basis of a 360-day year of twelve
30-day months. The Company shall pay interest on overdue principal and, to the
extent lawful, on overdue installments of interest at the rate per annum borne
by this Security. If any Interest Payment Date is not a Business Day as defined
in the Indenture at a place of payment, payment may be made at that place on the
next succeeding day that is a Business Day, and no interest shall accrue for the
intervening period.

         (c) Unless otherwise defined herein, all terms used in this Security
which are defined in the Indenture shall have the meanings assigned to them in
the Indenture.

         2. Mandatory Tender on Remarketing Date; Purchase and Settlement. (a)
Provided that the Remarketing Dealer gives notice to the Company and the Trustee
on a Business Day not later than five Business Days prior to the Remarketing
Date of its intention to purchase the Securities for remarketing (the
"Notification Date"), each Security shall be automatically tendered, or deemed
tendered, to the Remarketing Dealer for purchase on the Remarketing Date in
accordance with Section 2(b) below, except as set forth in Sections 5 and 6
below. The purchase price of such tendered Securities shall be equal to 100% of
the principal amount thereof. Upon such tender, the Remarketing Dealer shall
have the option, in its sole discretion, to elect to remarket the Securities in
accordance with the Remarketing Agreement for its own account at varying prices
to be determined by the Remarketing Dealer at the time of each sale. If the
Remarketing Dealer makes such election, the obligation of the Remarketing Dealer
to purchase the Securities on the Remarketing Date shall be subject to the
conditions set forth in the Remarketing Agreement. No Holder or actual purchaser
of the Securities ("Beneficial Owner") shall have any rights or claims under the
Remarketing Agreement or against the Company or the Remarketing Dealer as a
result of the Remarketing Dealer not purchasing such Securities.

                                      -4-

<PAGE>   5

         (b) Following the Notification Date, the tender and purchase of the
Securities provided for in Section 2(a) above shall be effected as follows,
subject to Sections 5 and 6 below:

                  (i) All of the tendered Securities shall be automatically
         delivered to the account of the Trustee, by book-entry through DTC or
         any successor thereto pending payment of the purchase price therefor,
         on the Remarketing Date.

                 (ii) The Remarketing Dealer shall make or cause the Trustee to
         make payment to DTC by book entry through DTC in accordance with the
         procedures of DTC, by 1:00 p.m., New York City time, on the Remarketing
         Date against delivery through DTC of such Beneficial Owner's tendered
         Securities, of the purchase price for tendered Securities that have
         been purchased for remarketing by the Remarketing Dealer. The Company
         shall make or cause the Trustee to make payment of interest to DTC on
         the Remarketing Date by book entry through DTC by 2:30 p.m., New York
         City time, on the Remarketing Date.

         (c) In anticipation of the purchase of the Securities by the 
Remarketing Dealer for remarketing or the repurchase of the Securities by the
Company on the  Remarketing Date, the Trustee will notify the Holder hereof,
not less than 30 days nor more than 60 days prior to the Remarketing Date, that
all Securities will be delivered on the Remarketing Date through the facilities
of DTC against payment of the purchase price therefor by the Remarketing Dealer
or the Company, as the case may be.

         3. Maintenance of Book-Entry System. (a) The tender and settlement
procedures set forth in Section 2(b) above, including provisions for payment by
purchasers of Securities in the remarketing or for payment to selling Beneficial
Owners of tendered Securities, shall be subject to modification, notwithstanding
any provision to the contrary set forth in Article 9 of the Indenture, to the
extent required by DTC or, if the book-entry system is no longer available for
the Securities at the time of the remarketing, to the extent required to
facilitate the tendering and remarketing of Securities in certificated form. In
addition, the Remarketing Dealer may, notwithstanding any provision to the
contrary set forth in Article 9 of the Indenture, modify the settlement
procedures set forth herein in order to facilitate the settlement process.

         (b) The Company hereby agrees with the Trustee and the holders of
Securities that at all times, notwithstanding any provision to the contrary set
forth in the Indenture, (i) it will use its best efforts to maintain the
Securities in book-entry form with DTC or any successor thereto and to appoint a
successor Depositary to the extent necessary to maintain the Securities in
book-entry form and (ii) it will waive any discretionary right that it otherwise
may have under the Indenture to cause the Securities to be issued in
certificated form.

         4. Determination of Interest Rate to Maturity; Notification Thereof.
Subject to the Remarketing Dealer's election to remarket the Securities as
provided in Section 2(a), by 3:30 p.m., New York City time, on the third
Business Day immediately preceding the Remarketing Date (the "Determination
Date"), the Remarketing Dealer shall determine the Interest Rate to Maturity to
the nearest one hundred-thousandth (0.00001) of one percent per annum. The




                                      -5-

<PAGE>   6

Interest Rate to Maturity shall be equal to the sum of 5.668% (the "Base Rate")
and the Applicable Spread (as defined below), which will be based on the Dollar
Price (as defined below) of the Securities.

         The "Applicable Spread" shall be the lowest bid indication, expressed
as a spread (in the form of a percentage or in basis points) above the Base
Rate, obtained by the Remarketing Dealer on the Determination Date from the bids
quoted by five Reference Corporate Dealers (as defined below) for the full
aggregate principal amount of the Securities at the Dollar Price, but assuming
(i) an issue date that is the Remarketing Date, with settlement on such date
without accrued interest, (ii) a maturity date equal to the Stated Maturity Date
of the Securities and (iii) a stated annual interest rate, payable semiannually
on each Interest Payment Date, equal to the Base Rate plus the spread bid by the
applicable Reference Corporate Dealer. If fewer than five Reference Corporate
Dealers bid as described above, then the Applicable Spread shall be the lowest
of such bid indications obtained as described above. The Interest Rate to
Maturity announced by the Remarketing Dealer, absent manifest error, shall be
binding and conclusive upon the Beneficial Owners and Holders of the Securities,
the Company and the Trustee.

         "Dollar Price" means, with respect to the Securities, the present value
determined by the Remarketing Dealer, as of the Remarketing Date, of the
Remaining Scheduled Payments (as defined below) discounted to the Remarketing
Date on a semiannual basis (assuming a 360-day year consisting of twelve 30-day
months) at the Treasury Rate (as defined below).

         "Reference Corporate Dealers" means leading dealers of publicly traded
debt securities of the Company in The City of New York (which may include the
Remarketing Dealer or one of its affiliates) selected by the Remarketing Dealer
after consultation with the Company.

         "Remaining Scheduled Payments" means, with respect to the Securities,
the remaining scheduled payments of the principal thereof and interest thereon,
calculated at the Base Rate only, that would be due after the Remarketing Date
to and including the Stated Maturity Date as determined by the Remarketing
Dealer; provided, however, that if the Remarketing Date is not an Interest
Payment Date with respect to the Securities, the amount of the next succeeding
scheduled interest payment thereon, calculated at the Base Rate only, will be
reduced by the amount of interest accrued thereon, calculated at the Base Rate
only, to the Remarketing Date.

         "Treasury Rate" means, with respect to the Remarketing Date, the rate
per annum equal to the semiannual equivalent yield to maturity or interpolated
(on a day count basis) yield to maturity of the Comparable Treasury Issues (as
defined below), assuming a price for the Comparable Treasury Issues (expressed
as a percentage of its principal amount), equal to the Comparable Treasury Price
(as defined below) for such Remarketing Date.

         "Comparable Treasury Issues" means the United States Treasury security
or securities selected by the Remarketing Dealer as having an actual or
interpolated maturity or maturities comparable to the remaining term of the
Securities being purchased.




   

                                   -6-



<PAGE>   7

         "Comparable Treasury Price" means, with respect to the Remarketing
Date, (a) the offer prices for the Comparable Treasury Issues (expressed in each
case as a percentage of its principal amount) on the Determination Date, as set
forth on "Telerate Page 500" (or such other page as may replace Telerate Page
500) or (b) if such page (or any successor page) is not displayed or does not
contain such offer prices on such Determination Date, (i) the average of the
Reference Treasury Dealer Quotations for such Remarketing Date, after excluding
the highest and lowest of such Reference Treasury Dealer Quotations, or (ii) if
the Remarketing Dealer obtains fewer than four such Reference Treasury Dealer
Quotations, the average of all such Reference Treasury Dealer Quotations.
"Telerate Page 500" means the display designated as "Telerate Page 500" on Dow
Jones Markets Limited (or such other page as may replace Telerate Page 500 on
such service) or such other service displaying the offer prices specified in (a)
above as may replace Dow Jones Markets Limited.

         "Reference Treasury Dealer Quotations" means, with respect to each
Reference Treasury Dealer and the Remarketing Date, the offer prices for the
Comparable Treasury Issues (expressed in each case as a percentage of its
principal amount) quoted to the Remarketing Dealer by such Reference Treasury
Dealer by 3:30 p.m., New York City time, on the Determination Date.

         "Reference Treasury Dealer" means each of Credit Suisse First Boston
Corporation, Lehman Brothers Inc., Merrill Lynch, Pierce, Fenner & Smith
Incorporated, Morgan Stanley & Co. Incorporated and Salomon Brothers Inc (or
their respective affiliates which are primary U.S. Government securities
dealers) and their respective successors; provided, however, that if any of the
foregoing or their affiliates shall cease to be a primary U.S. Government
securities dealer in The City of New York (a "Primary Treasury Dealer"), the
Remarketing Dealer shall substitute therefor another Primary Treasury Dealer.

         5. Repurchase. If (a) the Remarketing Dealer for any reason does not
notify the Company of the Interest Rate to Maturity by 4:00 p.m., New York City
time, on the Determination Date, or (b) prior to the Remarketing Date, the
Remarketing Dealer has resigned and no successor has been appointed on or before
the Determination Date, or (c) since the Notification Date, the Remarketing
Dealer has terminated the Remarketing Agreement because a material adverse
change in the condition of the Company or MCN Energy Group Inc. ("MCN") and
their respective subsidiaries, considered as one enterprise, shall have occurred
or an Event of Default, or any event which, with the giving of notice or passage
of time, or both, would constitute an Event of Default, with respect to the
Securities shall have occurred and be continuing, or any other event
constituting a termination event under the Remarketing Agreement shall have
occurred, or (d) the Remarketing Dealer elects not to remarket the Securities,
or (e) the Remarketing Dealer for any reason does not purchase all tendered
Securities on the Remarketing Date, then, in any such case, the Company shall
repurchase the Securities as a whole on the Remarketing Date at a price equal to
100% of the principal amount thereof plus all accrued and unpaid interest, if
any, on the Securities to the Remarketing Date. In any such case, payment shall
be made by the Company to the Participant of each tendering Beneficial Owner of
Securities, by book- entry through DTC, by 2:30 p.m., New York City time, on the
Remarketing Date against delivery through DTC of such Beneficial Owner's
tendered Securities.




                                      -7-



<PAGE>   8

         6. Redemption. (a) Notwithstanding any election by the Remarketing
Dealer to remarket the Securities on the Remarketing Date, the tendering of the
Securities for purchase by the Remarketing Dealer on such date as set forth in
Section 2(b) above shall be subject to the right of the Company to redeem the
Securities from the Remarketing Dealer as provided in Section 6(b) below.

         (b) The Company, in its sole and absolute discretion, shall have the
right, upon notice to the Remarketing Dealer and the Trustee not later than the
close of business on the Business Day immediately preceding the Determination
Date, to irrevocably elect to redeem the Securities, in whole but not in part,
from the Remarketing Dealer on the Remarketing Date at the Optional Redemption
Price. The "Optional Redemption Price" shall be the greater of (i) 100% of the
principal amount of the Securities and (ii) the sum of the present values of the
Remaining Scheduled Payments thereon, as determined by the Remarketing Dealer,
discounted to the Remarketing Date on a semiannual basis (assuming a 360-day
year consisting of twelve 30-day months) at the Treasury Rate, plus in either
case accrued and unpaid interest from the Remarketing Date on the principal
amount being redeemed to the date of redemption. If the Company elects to redeem
the Securities, it shall pay the redemption price therefor in same-day funds by
wire transfer to an account designated by the Remarketing Dealer on the
Remarketing Date.

         7. Effect of Event of Default. In case an Event of Default with respect
to the Securities shall occur and be continuing, the unpaid principal of the
Securities of this series may be declared due and payable, in the manner, with
the effect and subject to the conditions provided in the Indenture.

         8. Amendments and Waivers. The Indenture may be modified by the Company
and the Trustee without consent of any Holder with respect to certain matters as
described in the Indenture. In addition, the Indenture permits, with certain
exceptions as therein provided, the amendment thereof and the modification of
the rights and obligations of the Company and MCN and the rights of the Holders
of the Securities of each series to be affected under the Indenture at any time
by the Company, MCN and the Trustee with the consent of the Holders of a
majority in principal amount of the Securities at the time Outstanding of each
series to be affected. The Indenture also contains provisions permitting the
Holders of a majority in principal amount of the Securities of each series at
the time Outstanding, on behalf of the Holders of all Securities of such series,
to waive compliance by the Company or MCN with certain provisions of the
Indenture and certain past defaults under the Indenture and their consequences.
Any such consent or waiver by the Holder of this Security shall bind such Holder
and all future Holders of this Security and of any Security issued upon the
registration of transfer hereof or in exchange hereof or in lieu hereof, whether
or not notation of such consent or waiver is made upon this Security.

         9. Obligation of Company. No reference herein to the Indenture and no
provision of this Security or of the Indenture shall alter or impair the
obligation of the Company, which is absolute and unconditional, to pay the
principal of and any premium, if any, and interest on this Security at the time,
place, and rate and in the coin or currency herein prescribed.




                                      -8-




<PAGE>   9

         10. Denominations, Transfer and Exchange. (a) The Securities are
issuable only in registered form without coupons in denominations of $1,000 and
any integral multiple thereof. As provided in the Indenture and subject to
certain limitations therein set forth, Securities of this series are
exchangeable for a like aggregate principal amount of Securities of this series
of a different authorized denomination, as requested by the Holder surrendering
the same.

         (b) As provided in the Indenture and subject to certain limitations
therein set forth, the transfer of this Security is registrable in the Security
Register, upon surrender of this Security for registration of transfer at the
office or agency of the Company in any place where the principal of (and
premium, if any) and interest on this Security are payable, duly endorsed by, or
accompanied by a written instrument of transfer in form satisfactory to the
Company and the Security Registrar duly executed by the Holder hereof or his
attorney duly authorized in writing, and thereupon one or more new Securities of
this series, and of like tenor, of authorized denominations and for the same
maturity and aggregate principal amount, shall be issued to the designated
transferee or transferees.

         (c) No service charge shall be made for any such registration of
transfer or exchange, but the Company may require payment of a sum sufficient to
cover any tax or other governmental charge payable in connection therewith.
Prior to due presentment of this Security for registration of transfer, the
Company, the Trustee and any agent of the Company or the Trustee may treat the
Person in whose name this Security is registered as the owner hereof for all
purposes, whether or not this Security be overdue, and neither the Company, the
Trustee nor any such agent shall be affected by notice to the contrary.

         11. No Liability of Certain Persons. A director, officer, employee or
stockholder, as such, of the Company shall not have any liability for any
obligations of the Company under this Security or the Indenture or for any claim
based on, in respect of or by reason of, such obligations or their creation.
Each Holder, by accepting a Security, waives and releases all such liability.
The waiver and release are part of the consideration for the issuance of this
Security.

         12. Governing Law. The Indenture and this Security shall for all
purposes be governed by, and construed in accordance with, the laws of the State
of New York.

                                      -9-
<PAGE>   10
                     ------------------------------------

THE FOLLOWING ABBREVIATIONS SHALL BE CONSTRUED AS THOUGH THE WORDS SET FORTH
BELOW OPPOSITE EACH ABBREVIATION WERE WRITTEN OUT IN FULL WHERE SUCH
ABBREVIATION APPEARS:

<TABLE>
<S>                                        <C> 
TEN COM--as tenants in common              (Name) CUST (Name) UNIF--(Name) as Custodian
TEN ENT--as tenants by the entirety        GIFT MIN ACT (state) for (Name) Under the
JT TEN--as joint tenants                                        Uniform Gifts to       
        with right of survivorship                              Minors Act
        and not as tenants
        in common
</TABLE>

ADDITIONAL ABBREVIATIONS MAY ALSO BE USED THOUGH NOT IN THE ABOVE LIST.

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

To assign this Security, fill in the form below: (I) or (we) assign and transfer
this Security to


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

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

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

- ------------------------------------------------------------------------------
              (Print or type assignee's name, address and zip code)

and irrevocably appoint ______________________________________________________
agent to transfer this Security on the books of the Company. The agent may
substitute another to act for him.

Dated:                    Your Signature:                                      
      ----------------                   -------------------------------------
                                        (Sign exactly as your name appears on 
                                         the other side of this Security)
Signature Guarantee: 
                     ----------------------------------------------------------
                     (Signatures must be guaranteed by an "eligible
                     guarantor institution" meeting the requirements of
                     the Transfer Agent, which requirements will include
                     membership or participation in STAMP or such other
                     "signature guarantee program" as may be determined by
                     the Transfer Agent in addition to, or in substitution
                     for, STAMP, all in accordance with the Exchange Act.)

Social Security Number or Taxpayer 
Identification Number
                     -------------


                                      -10-

<PAGE>   1
                                                                     EXHIBIT 4.2

CUSIP: 55269AAB3                                                    $100,000,000
No. R-2                                 

         THIS SECURITY IS IN GLOBAL FORM WITHIN THE MEANING OF THE INDENTURE
HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A
NOMINEE OF A DEPOSITARY. UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART
FOR A SECURITY IN CERTIFICATED FORM, THIS SECURITY MAY NOT BE TRANSFERRED EXCEPT
AS A WHOLE BY THE DEPOSITARY TO A NOMINEE OF THE DEPOSITARY OR BY A NOMINEE OF
THE DEPOSITARY TO THE DEPOSITARY OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE
DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY.

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

  
                           MCN INVESTMENT CORPORATION

    6.35% MandatOry Par Put Remarketed Securities(SM)* ("MOPPRS(SM)") due
                                April 2, 2012


         MCN INVESTMENT CORPORATION, a corporation duly organized and existing
under the laws of the State of Michigan (the "Company", which term includes any
successor corporation under the Indenture hereinafter referred to), for value
received, hereby promises to pay to Cede & Co. or registered assigns, at the
office or agency of the Company in The City of New York, New York, the principal
sum of ONE HUNDRED MILLION DOLLARS ($100,000,000) on April 2, 2012 (the "Stated
Maturity Date"), in the coin or currency of the United States, and to pay
interest, semiannually on April 2 and October 2 of each year (each, an "Interest
Payment Date"), commencing October 2, 1998, on said principal sum at said office
or agency, in like coin or currency, at the rate per annum specified below, from
the April 2 or the October 2, as the case may be, next preceding the date of
this MOPPRS to which interest has been paid or duly provided for, unless the
date hereof is a date to which interest has been paid or duly provided for, in
which case from the date of this MOPPRS, or unless no interest has been paid or
duly provided for on these MOPPRS, in which case from March 31, 1998, until
payment of said principal sum has been made or duly provided for; provided, that
payment of interest may 

- ----------------
* "MandatOry Par Put Remarketed Securities(SM)" and "MOPPRS(SM)" are service
marks owned by Merrill Lynch & Co., Inc.
<PAGE>   2

be made at the option of the Company by check mailed to the address of the
person entitled thereto as such address shall appear on the Security Register of
the Company as provided in the Indenture. Notwithstanding the foregoing, if the
date hereof is after the 17th day of March or September, as the case may be, and
before the following April 2 or October 2, this MOPPRS shall bear interest from
such April 2 or October 2; provided, that if the Company shall default in the
payment of interest due on such April 2 or October 2, then this MOPPRS shall
bear interest from the next preceding April 2 or October 2 to which interest has
been paid or duly provided for or, if no interest has been paid or duly provided
for on these MOPPRS, from March 31, 1998. The interest so payable on any April 2
or October 2 will, subject to certain exceptions provided in the Indenture
referred to on the reverse hereof, be paid to the person in whose name this
MOPPRS (or one or more Predecessor Securities) is registered at the close of
business on the fifteenth calendar day next preceding such April 2 or October 2,
as the case may be, whether or not such day is a Business Day.

         The rate of interest on this MOPPRS shall be 6.35% per annum to April
2, 2002 (the "Remarketing Date"). If, pursuant to the Remarketing Agreement,
dated as of the date hereof (the "Remarketing Agreement"), between Merrill
Lynch, Pierce, Fenner & Smith Incorporated, as Remarketing Dealer (the
"Remarketing Dealer"), and the Company, the Remarketing Dealer elects to
remarket the MOPPRS, then, except as otherwise set forth on the reverse hereof,
(i) this MOPPRS shall be subject to mandatory tender to the Remarketing Dealer
for remarketing on the Remarketing Date, on the terms and subject to the
conditions set forth on the reverse hereof, and (ii) on and after the
Remarketing Date, this MOPPRS shall bear interest at the rate determined by the
Remarketing Dealer in accordance with the procedures set forth in Section 4 on
the reverse hereof (the "Interest Rate to Maturity").

         Reference is made to the further provisions of this MOPPRS set forth on
the reverse hereof. Such further provisions shall for all purposes have the same
effect as though fully set forth at this place.

         This MOPPRS shall not be valid or become obligatory for any purpose
until the certificate of authentication hereon shall have been manually signed
by the Trustee under the Indenture referred to on the reverse hereof.


                                      -2-
<PAGE>   3


         IN WITNESS WHEREOF, MCN INVESTMENT CORPORATION has caused this
instrument to be duly executed under its corporate seal.

Dated: 3/31/98

                                          MCN INVESTMENT CORPORATION


                                          By: /s/ Sebastian Coppoia
                                             ----------------------------------
                                              Title: Vice President and
                                                     Treasurer



Attest:                                                                [SEAL]


By: /s/ Daniel L. Schiffer
   -------------------------------
   Title: Vice President, Secretary
          and General Counsel


                          CERTIFICATE OF AUTHENTICATION


         This is one of the MOPPRS of the series designated therein referred to
in the within-mentioned Indenture.

Dated:


                                    NBD BANK, as Trustee



                                    By: /s/ Ernest Peck
                                       --------------------------------------
                                                 Authorized Signatory


   
                                   -3-

<PAGE>   4


                           MCN INVESTMENT CORPORATION

     6.35% MandatOry Par Put Remarketed Securities(SM) ("MOPPRS(SM)") due
                                  April 2, 2012

         1. Indenture. (a) This MOPPRS is one of the duly authorized issue of
securities of the Company (hereinafter called the "Securities") of the series   
hereinafter specified, all issued or to be issued under and pursuant to an
Indenture, dated as of September 1, 1995 (herein called the "Indenture"), duly
executed and delivered by the Company to NBD Bank, as Trustee (herein called
the "Trustee," which term includes any successor trustee under the Indenture),
to which Indenture and all indentures supplemental thereto reference is hereby
made for a description of the rights, limitations of rights, obligations,
duties and immunities thereunder of the Trustee, the Company and the Holders of
the Securities. The Securities may be issued in one or more series, which
different series may be issued in various aggregate principal amounts, may
mature at different times, may bear interest, if any, at different rates, may
be subject to different redemption provisions (if any) and may be subject to
different sinking, purchase or analogous funds (if any) and may otherwise vary
as provided in the Indenture. This Security is one of the series designated as
the 6.35% MandatOry Par Put Remarketed Securities(SM) ("MOPPRS(SM)") due April
2, 2012 of the Company limited in aggregate principal amount to $100,000,000.

         (b) Interest will be computed on the basis of a 360-day year of twelve
30-day months. The Company shall pay interest on overdue principal and, to the
extent lawful, on overdue installments of interest at the rate per annum borne
by this Security. If any Interest Payment Date is not a Business Day as defined
in the Indenture at a place of payment, payment may be made at that place on the
next succeeding day that is a Business Day, and no interest shall accrue for the
intervening period.

         (c) Unless otherwise defined herein, all terms used in this Security
which are defined in the Indenture shall have the meanings assigned to them in
the Indenture.

         2. Mandatory Tender on Remarketing Date; Purchase and Settlement. (a)
Provided that the Remarketing Dealer gives notice to the Company and the Trustee
on a Business Day not later than five Business Days prior to the Remarketing
Date of its intention to purchase the Securities for remarketing (the
"Notification Date"), each Security shall be automatically tendered, or deemed
tendered, to the Remarketing Dealer for purchase on the Remarketing Date in
accordance with Section 2(b) below, except as set forth in Sections 5 and 6
below. The purchase price of such tendered Securities shall be equal to 100% of
the principal amount thereof. Upon such tender, the Remarketing Dealer shall
have the option, in its sole discretion, to elect to remarket the Securities in
accordance with the Remarketing Agreement for its own account at varying prices
to be determined by the Remarketing Dealer at the time of each sale. If the
Remarketing Dealer makes such election, the obligation of the Remarketing Dealer
to purchase the Securities on the Remarketing Date shall be subject to the
conditions set forth in the Remarketing Agreement. No Holder or actual purchaser
of the Securities ("Beneficial Owner") shall have any rights or claims under the
Remarketing Agreement or against the Company or the Remarketing Dealer as a
result of the Remarketing Dealer not purchasing such Securities.


                                      -4-
<PAGE>   5

         (b) Following the Notification Date, the tender and purchase of the
Securities provided for in Section 2(a) above shall be effected as follows,
subject to Sections 5 and 6 below:

                  (i) All of the tendered Securities shall be automatically
         delivered to the account of the Trustee, by book-entry through DTC or
         any successor thereto pending payment of the purchase price therefor,
         on the Remarketing Date.

                 (ii) The Remarketing Dealer shall make or cause the Trustee to
         make payment to DTC by book entry through DTC in accordance with the
         procedures of DTC, by 1:00 p.m., New York City time, on the Remarketing
         Date against delivery through DTC of such Beneficial Owner's tendered
         Securities, of the purchase price for tendered Securities that have
         been purchased for remarketing by the Remarketing Dealer. The Company
         shall make or cause the Trustee to make payment of interest to DTC on
         the Remarketing Date by book entry through DTC by 2:30 p.m., New York
         City time, on the Remarketing Date.

         (c) In anticipation of the purchase of the Securities by the 
Remarketing Dealer for remarketing or the repurchase of the Securities by the
Company on the  Remarketing Date, the Trustee will notify the Holder hereof,
not less than 30 days nor more than 60 days prior to the Remarketing Date, that
all Securities will be delivered on the Remarketing Date through the facilities
of DTC against payment of the purchase price therefor by the Remarketing Dealer
or the Company, as the case may be.

         3. Maintenance of Book-Entry System. (a) The tender and settlement
procedures set forth in Section 2(b) above, including provisions for payment by
purchasers of Securities in the remarketing or for payment to selling Beneficial
Owners of tendered Securities, shall be subject to modification, notwithstanding
any provision to the contrary set forth in Article 9 of the Indenture, to the
extent required by DTC or, if the book-entry system is no longer available for
the Securities at the time of the remarketing, to the extent required to
facilitate the tendering and remarketing of Securities in certificated form. In
addition, the Remarketing Dealer may, notwithstanding any provision to the
contrary set forth in Article 9 of the Indenture, modify the settlement
procedures set forth herein in order to facilitate the settlement process.

         (b) The Company hereby agrees with the Trustee and the holders of
Securities that at all times, notwithstanding any provision to the contrary set
forth in the Indenture, (i) it will use its best efforts to maintain the
Securities in book-entry form with DTC or any successor thereto and to appoint a
successor Depositary to the extent necessary to maintain the Securities in
book-entry form and (ii) it will waive any discretionary right that it otherwise
may have under the Indenture to cause the Securities to be issued in
certificated form.

         4. Determination of Interest Rate to Maturity; Notification Thereof.
Subject to the Remarketing Dealer's election to remarket the Securities as
provided in Section 2(a), by 3:30 p.m., New York City time, on the third
Business Day immediately preceding the Remarketing Date (the "Determination
Date"), the Remarketing Dealer shall determine the Interest Rate to Maturity to
the nearest one hundred-thousandth (0.00001) of one percent per annum. The



                                      -5-

<PAGE>   6

Interest Rate to Maturity shall be equal to the sum of 5.668% (the "Base Rate")
and the Applicable Spread (as defined below), which will be based on the Dollar
Price (as defined below) of the Securities.

         The "Applicable Spread" shall be the lowest bid indication, expressed
as a spread (in the form of a percentage or in basis points) above the Base
Rate, obtained by the Remarketing Dealer on the Determination Date from the bids
quoted by five Reference Corporate Dealers (as defined below) for the full
aggregate principal amount of the Securities at the Dollar Price, but assuming
(i) an issue date that is the Remarketing Date, with settlement on such date
without accrued interest, (ii) a maturity date equal to the Stated Maturity Date
of the Securities and (iii) a stated annual interest rate, payable semiannually
on each Interest Payment Date, equal to the Base Rate plus the spread bid by the
applicable Reference Corporate Dealer. If fewer than five Reference Corporate
Dealers bid as described above, then the Applicable Spread shall be the lowest
of such bid indications obtained as described above. The Interest Rate to
Maturity announced by the Remarketing Dealer, absent manifest error, shall be
binding and conclusive upon the Beneficial Owners and Holders of the Securities,
the Company and the Trustee.

         "Dollar Price" means, with respect to the Securities, the present value
determined by the Remarketing Dealer, as of the Remarketing Date, of the
Remaining Scheduled Payments (as defined below) discounted to the Remarketing
Date on a semiannual basis (assuming a 360-day year consisting of twelve 30-day
months) at the Treasury Rate (as defined below).

         "Reference Corporate Dealers" means leading dealers of publicly traded
debt securities of the Company in The City of New York (which may include the
Remarketing Dealer or one of its affiliates) selected by the Remarketing Dealer
after consultation with the Company.

         "Remaining Scheduled Payments" means, with respect to the Securities,
the remaining scheduled payments of the principal thereof and interest thereon,
calculated at the Base Rate only, that would be due after the Remarketing Date
to and including the Stated Maturity Date as determined by the Remarketing
Dealer; provided, however, that if the Remarketing Date is not an Interest
Payment Date with respect to the Securities, the amount of the next succeeding
scheduled interest payment thereon, calculated at the Base Rate only, will be
reduced by the amount of interest accrued thereon, calculated at the Base Rate
only, to the Remarketing Date.

         "Treasury Rate" means, with respect to the Remarketing Date, the rate
per annum equal to the semiannual equivalent yield to maturity or interpolated
(on a day count basis) yield to maturity of the Comparable Treasury Issues (as
defined below), assuming a price for the Comparable Treasury Issues (expressed
as a percentage of its principal amount), equal to the Comparable Treasury Price
(as defined below) for such Remarketing Date.

         "Comparable Treasury Issues" means the United States Treasury security
or securities selected by the Remarketing Dealer as having an actual or
interpolated maturity or maturities comparable to the remaining term of the
Securities being purchased.



                                      -6-

<PAGE>   7

         "Comparable Treasury Price" means, with respect to the Remarketing
Date, (a) the offer prices for the Comparable Treasury Issues (expressed in each
case as a percentage of its principal amount) on the Determination Date, as set
forth on "Telerate Page 500" (or such other page as may replace Telerate Page
500) or (b) if such page (or any successor page) is not displayed or does not
contain such offer prices on such Determination Date, (i) the average of the
Reference Treasury Dealer Quotations for such Remarketing Date, after excluding
the highest and lowest of such Reference Treasury Dealer Quotations, or (ii) if
the Remarketing Dealer obtains fewer than four such Reference Treasury Dealer
Quotations, the average of all such Reference Treasury Dealer Quotations.
"Telerate Page 500" means the display designated as "Telerate Page 500" on Dow
Jones Markets Limited (or such other page as may replace Telerate Page 500 on
such service) or such other service displaying the offer prices specified in (a)
above as may replace Dow Jones Markets Limited.

         "Reference Treasury Dealer Quotations" means, with respect to each
Reference Treasury Dealer and the Remarketing Date, the offer prices for the
Comparable Treasury Issues (expressed in each case as a percentage of its
principal amount) quoted to the Remarketing Dealer by such Reference Treasury
Dealer by 3:30 p.m., New York City time, on the Determination Date.

         "Reference Treasury Dealer" means each of Credit Suisse First Boston
Corporation, Lehman Brothers Inc., Merrill Lynch, Pierce, Fenner & Smith
Incorporated, Morgan Stanley & Co. Incorporated and Salomon Brothers Inc (or
their respective affiliates which are primary U.S. Government securities
dealers) and their respective successors; provided, however, that if any of the
foregoing or their affiliates shall cease to be a primary U.S. Government
securities dealer in The City of New York (a "Primary Treasury Dealer"), the
Remarketing Dealer shall substitute therefor another Primary Treasury Dealer.

         5. Repurchase. If (a) the Remarketing Dealer for any reason does not
notify the Company of the Interest Rate to Maturity by 4:00 p.m., New York City
time, on the Determination Date, or (b) prior to the Remarketing Date, the
Remarketing Dealer has resigned and no successor has been appointed on or before
the Determination Date, or (c) since the Notification Date, the Remarketing
Dealer has terminated the Remarketing Agreement because a material adverse
change in the condition of the Company or MCN Energy Group Inc. ("MCN") and
their respective subsidiaries, considered as one enterprise, shall have occurred
or an Event of Default, or any event which, with the giving of notice or passage
of time, or both, would constitute an Event of Default, with respect to the
Securities shall have occurred and be continuing, or any other event
constituting a termination event under the Remarketing Agreement shall have
occurred, or (d) the Remarketing Dealer elects not to remarket the Securities,
or (e) the Remarketing Dealer for any reason does not purchase all tendered
Securities on the Remarketing Date, then, in any such case, the Company shall
repurchase the Securities as a whole on the Remarketing Date at a price equal to
100% of the principal amount thereof plus all accrued and unpaid interest, if
any, on the Securities to the Remarketing Date. In any such case, payment shall
be made by the Company to the Participant of each tendering Beneficial Owner of
Securities, by book- entry through DTC, by 2:30 p.m., New York City time, on the
Remarketing Date against delivery through DTC of such Beneficial Owner's
tendered Securities.



                                      -7-

<PAGE>   8

         6. Redemption. (a) Notwithstanding any election by the Remarketing
Dealer to remarket the Securities on the Remarketing Date, the tendering of the
Securities for purchase by the Remarketing Dealer on such date as set forth in
Section 2(b) above shall be subject to the right of the Company to redeem the
Securities from the Remarketing Dealer as provided in Section 6(b) below.

         (b) The Company, in its sole and absolute discretion, shall have the
right, upon notice to the Remarketing Dealer and the Trustee not later than the
close of business on the Business Day immediately preceding the Determination
Date, to irrevocably elect to redeem the Securities, in whole but not in part,
from the Remarketing Dealer on the Remarketing Date at the Optional Redemption
Price. The "Optional Redemption Price" shall be the greater of (i) 100% of the
principal amount of the Securities and (ii) the sum of the present values of the
Remaining Scheduled Payments thereon, as determined by the Remarketing Dealer,
discounted to the Remarketing Date on a semiannual basis (assuming a 360-day
year consisting of twelve 30-day months) at the Treasury Rate, plus in either
case accrued and unpaid interest from the Remarketing Date on the principal
amount being redeemed to the date of redemption. If the Company elects to redeem
the Securities, it shall pay the redemption price therefor in same-day funds by
wire transfer to an account designated by the Remarketing Dealer on the
Remarketing Date.

         7. Effect of Event of Default. In case an Event of Default with respect
to the Securities shall occur and be continuing, the unpaid principal of the
Securities of this series may be declared due and payable, in the manner, with
the effect and subject to the conditions provided in the Indenture.

         8. Amendments and Waivers. The Indenture may be modified by the Company
and the Trustee without consent of any Holder with respect to certain matters as
described in the Indenture. In addition, the Indenture permits, with certain
exceptions as therein provided, the amendment thereof and the modification of
the rights and obligations of the Company and MCN and the rights of the Holders
of the Securities of each series to be affected under the Indenture at any time
by the Company, MCN and the Trustee with the consent of the Holders of a
majority in principal amount of the Securities at the time Outstanding of each
series to be affected. The Indenture also contains provisions permitting the
Holders of a majority in principal amount of the Securities of each series at
the time Outstanding, on behalf of the Holders of all Securities of such series,
to waive compliance by the Company or MCN with certain provisions of the
Indenture and certain past defaults under the Indenture and their consequences.
Any such consent or waiver by the Holder of this Security shall bind such Holder
and all future Holders of this Security and of any Security issued upon the
registration of transfer hereof or in exchange hereof or in lieu hereof, whether
or not notation of such consent or waiver is made upon this Security.

         9. Obligation of Company. No reference herein to the Indenture and no
provision of this Security or of the Indenture shall alter or impair the
obligation of the Company, which is absolute and unconditional, to pay the
principal of and any premium, if any, and interest on this Security at the time,
place, and rate and in the coin or currency herein prescribed.





                                      -8-



<PAGE>   9

         10. Denominations, Transfer and Exchange. (a) The Securities are 
issuable only in registered form without coupons in denominations of
$1,000 and any integral multiple thereof. As provided in the Indenture and
subject to certain limitations therein set forth, Securities of this series are
exchangeable for a like aggregate principal amount of Securities of this series
of a different authorized denomination, as requested by the Holder surrendering
the same.

         (b) As provided in the Indenture and subject to certain limitations
therein set forth, the transfer of this Security is registrable in the Security
Register, upon surrender of this Security for registration of transfer at the
office or agency of the Company in any place where the principal of (and
premium, if any) and interest on this Security are payable, duly endorsed by, or
accompanied by a written instrument of transfer in form satisfactory to the
Company and the Security Registrar duly executed by the Holder hereof or his
attorney duly authorized in writing, and thereupon one or more new Securities of
this series, and of like tenor, of authorized denominations and for the same
maturity and aggregate principal amount, shall be issued to the designated
transferee or transferees.

         (c) No service charge shall be made for any such registration of
transfer or exchange, but the Company may require payment of a sum sufficient to
cover any tax or other governmental charge payable in connection therewith.
Prior to due presentment of this Security for registration of transfer, the
Company, the Trustee and any agent of the Company or the Trustee may treat the
Person in whose name this Security is registered as the owner hereof for all
purposes, whether or not this Security be overdue, and neither the Company, the
Trustee nor any such agent shall be affected by notice to the contrary.

         11. No Liability of Certain Persons. A director, officer, employee or
stockholder, as such, of the Company shall not have any liability for any
obligations of the Company under this Security or the Indenture or for any claim
based on, in respect of or by reason of, such obligations or their creation.
Each Holder, by accepting a Security, waives and releases all such liability.
The waiver and release are part of the consideration for the issuance of this
Security.

         12. Governing Law. The Indenture and this Security shall for all
purposes be governed by, and construed in accordance with, the laws of the State
of New York.




                                      -9-

<PAGE>   10
           ---------------------------------------------------------


THE FOLLOWING ABBREVIATIONS SHALL BE CONSTRUED AS THOUGH THE WORDS SET FORTH
BELOW OPPOSITE EACH ABBREVIATION WERE WRITTEN OUT IN FULL WHERE SUCH
ABBREVIATION APPEARS:

<TABLE>
<S>                                         <C>
TEN COM--as tenants in common               (Name) CUST (Name) UNIF--(Name) as Custodian 
TEN ENT--as tenants by the entirety         GIFT MIN ACT (state) for (Name) Under the (State)
JT TEN--as joint tenants with                                    Uniform Gifts to
        right of survivorship                                    Minors Act
        and not as tenants
        in common
</TABLE>

ADDITIONAL ABBREVIATIONS MAY ALSO BE USED THOUGH NOT IN THE ABOVE LIST.

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

To assign this Security, fill in the form below:  (I) or (we) assign and 
transfer this Security to


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

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

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

- ------------------------------------------------------------------------------
              (Print or type assignee's name, address and zip code)

and irrevocably appoint ______________________________________________________
agent to transfer this Security on the books of the Company. The agent may
substitute another to act for him.

Dated:                    Your Signature:
       ----------------                  ------------------------------------- 
                                         (Sign exactly as your name appears 
                                          on the other side of this Security)

Signature Guarantee: 
                    ---------------------------------------------------------
                    (Signatures must be guaranteed by an "eligible
                    guarantor institution" meeting the requirements of
                    the Transfer Agent, which requirements will include
                    membership or participation in STAMP or such other
                    "signature guarantee program" as may be determined by
                    the Transfer Agent in addition to, or in substitution
                    for, STAMP, all in accordance with the Exchange Act.)

Social Security Number or Taxpayer Identification
Number:
       ----------------------------------





                                      -10-



<PAGE>   1
                                                                   EXHIBIT 10.1

                            REMARKETING AGREEMENT

         REMARKETING AGREEMENT, dated as of March 31, 1998 (the "Remarketing
Agreement"), between MCN Investment Corporation, a Michigan corporation (the
"Company") and a wholly-owned subsidiary of MCN Energy Group Inc. ("MCN"), a
Michigan corporation, and Merrill Lynch, Pierce, Fenner & Smith Incorporated
("Merrill Lynch" and, in its capacity as the remarketing dealer hereunder, the
"Remarketing Dealer").

         WHEREAS, the Company has issued $100,000,000 aggregate principal amount
of its 6.30% MandatOry Par Put Remarketed SecuritiesSM due April 2, 2011 (the
"MOPPRS(SM)"), pursuant to an Indenture, dated as of September 1, 1995 (the
"Indenture"), between the Company and NBD Bank, as trustee (the "Trustee"); and

          WHEREAS, the MOPPRS are being sold initially pursuant to a purchase
agreement, dated March 26, 1998 (the "Purchase Agreement"), between the Company
and Merrill Lynch, Chase Securities Inc. and J.P. Morgan Securities Inc.; and

         WHEREAS, the MOPPRS will have the benefit of a Support Agreement, dated
as of September 1, 1995 (the "Support Agreement"), between the Company and MCN;
and

         WHEREAS, the Company and MCN have filed with the Securities and
Exchange Commission (the "Commission") a registration statement on Form S-3 (No.
333-47137) under the Securities Act of 1933, as amended (the "1933 Act"), in
connection with the offering of Debt Securities, including the MOPPRS, and the
obligations pursuant to the Support Agreement, which registration statement was
declared effective by order of the Commission on March 18, 1998, and has filed
such amendments thereto and such amended prospectuses as may have been required
to the date hereof, and will file such additional amendments thereto and such
additional amended prospectuses as may hereafter be required; and

         WHEREAS, Merrill Lynch is prepared to act as the Remarketing Dealer
with respect to the remarketing of the MOPPRS on April 2, 2001 (the "Remarketing
Date") pursuant to the terms of, but subject to the conditions set forth in,
this Agreement;

         NOW, THEREFORE, for and in consideration of the covenants herein made,
and subject to the conditions herein set forth, the parties hereto agree as
follows:


- ---------------
"MandatOry Par Put Remarketed Securities(SM)" and "MOPPRS(SM)" are service 
marks owned by Merrill Lynch & Co., Inc.



<PAGE>   2



          Section 1. Definitions. Capitalized terms used and not defined in this
Agreement shall have the meanings assigned to them in the Indenture (including
the form of the MOPPRS).

         Section 2. Representations and Warranties. (a) Each of the Company and
MCN represents and warrants to the Remarketing Dealer as of the date hereof, the
Notification Date (as defined below), the Determination Date (as defined below)
and the Remarketing Date (each such date being hereinafter referred to as a
"Representation Date"), that (i) it has made all the filings with the Commission
that it is required to make under the Securities Exchange Act of 1934, as
amended (the "1934 Act"), and the rules and regulations thereunder (the "1934
Act Regulations") (collectively, the "1934 Act Documents"), (ii) each 1934 Act
Document complies in all material respects with the requirements of the 1934 Act
and 1934 Act Regulations, and each 1934 Act Document did not at the time of
filing with the Commission, and as of each Representation Date, as modified or
superseded by any subsequently filed 1934 Act Document on or prior to such
Representation Date, will not, include an untrue statement of a material fact or
omit to state a material fact required to be stated therein or necessary in
order to make the statements therein, in the light of the circumstances under
which they were made, not misleading and (iii) the applicable Remarketing
Materials (as defined herein), as of each Representation Date after the date
hereof, as modified or superseded by any subsequently filed 1934 Act Document on
or prior to such Representation Date (or, if applicable, by any document filed
pursuant to the 1933 Act and the rules and regulations thereunder (the "1933 Act
Regulations")), will not include an untrue statement of a material fact or omit
to state a material fact required to be stated therein or necessary in order to
make the statements therein, in the light of the circumstances under which they
were made, not misleading.

         (b) Each of the Company and MCN further represents and warrants to the
Remarketing Dealer as of each Representation Date as follows:

                           (i) The accountants who certified the financial
         statements and supporting schedules included or incorporated by
         reference in the 1934 Act Documents are independent public accountants
         as required by the 1933 Act and the 1933 Act Regulations.

                           (ii) The financial statements included or
         incorporated by reference in the 1934 Act Documents, together with the
         related schedules and notes, present fairly the financial position of
         MCN and its consolidated subsidiaries at the dates indicated and the
         statement of operations, stockholders' equity and cash flows of MCN and
         its consolidated subsidiaries 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 1934 Act Documents present fairly in
         accordance with GAAP the information required to be stated therein. The
         pro forma financial statements and the related notes thereto, if any,
         included or incorporated by reference in the 1934 Act Documents present
         fairly the information shown therein, have been prepared in accordance 
         with the Commission's rules and guidelines with respect to pro forma 
         financial statements 

                                       -2-



<PAGE>   3



         and have been properly compiled on the bases described therein, and
         the assumptions used in the preparation thereof are reasonable and the
         adjustments used therein are appropriate to give effect to the
         transactions and circumstances referred to therein.

                           (iii) Since the respective dates as of which
         information is given in the 1934 Act Documents, except as otherwise
         stated therein, (A) 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 or MCN and their respective
         subsidiaries considered as one enterprise, whether or not arising in
         the ordinary course of business (a "Material Adverse Effect"), (B)
         there have been no transactions entered into by the Company or MCN or
         any of their respective subsidiaries, other than those in the ordinary
         course of business, which are material with respect to the Company or
         MCN and their respective subsidiaries considered as one enterprise, and
         (C) except for regular dividends on the common stock, par value $.01
         per share, of MCN in amounts per share that are consistent with past
         practice, there has been no dividend or distribution of any kind
         declared, paid or made by MCN on any class of its capital stock.

                           (iv) Each of the Company and MCN has been duly
         organized and is validly existing as a corporation in good standing
         under the laws of the State of Michigan and has corporate power and
         authority to own, lease and operate its properties and to conduct its
         business as described in the 1934 Act Documents and to enter into and
         perform its obligations under this Agreement; and each of the Company
         and MCN is duly qualified as a foreign corporation to transact business
         and is in good standing in each other 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 result in a
         Material Adverse Effect.

                           (v) Each subsidiary of the Company and MCN has been
         duly organized and is validly existing as a corporation in good
         standing under the laws of the jurisdiction of its incorporation, has
         corporate power and authority to own, lease and operate its properties
         and to conduct its business as described in the 1934 Act Documents 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 so to qualify or to
         be in good standing would not result in a Material Adverse Effect;
         except as otherwise disclosed in the 1934 Act Documents, all of the
         issued and outstanding capital stock of each such subsidiary has been
         duly authorized and validly issued, is fully paid and non-assessable
         and is owned by the Company or MCN, as the case may be, directly or
         through subsidiaries, free and clear of any security interest,
         mortgage, pledge, lien, encumbrance, claim or equity; none of the
         outstanding shares of capital stock of any such subsidiary was issued 
         in violation of the preemptive or similar rights of any securityholder 
         of such subsidiary.


                                       -3-



<PAGE>   4




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

                           (vii) The Indenture has been duly authorized,
         executed and delivered by the Company and duly qualified under the
         Trust Indenture Act of 1939, as amended (the "1939 Act"), and, assuming
         it has been duly executed and delivered by the Trustee, constitutes a
         valid and binding agreement of the Company, enforceable against the
         Company in accordance with its terms, except as the enforcement thereof
         may be limited by bankruptcy, insolvency (including, without
         limitation, all laws relating to fraudulent transfers, reorganization,
         moratorium or similar laws affecting enforcement of creditors' rights
         generally and except as enforcement thereof is subject to general
         principles of equity (regardless of whether enforcement is considered
         in a proceeding in equity or at law) (the "Bankruptcy Exceptions").

                           (viii) The Support Agreement has been duly and
         validly authorized, executed and delivered by each of the Company and
         MCN, and constitutes a valid and legally binding instrument,
         enforceable against the Company and MCN in accordance with its terms
         except to the extent that the enforcement thereof may be limited by the
         Bankruptcy Exceptions.

                           (ix) The MOPPRS have been duly authorized and
         executed by the Company and authenticated, issued and delivered in the
         manner provided for in the Indenture and delivered against payment of
         the purchase price therefor as provided in the Purchase Agreement, and
         constitute valid and binding obligations of the Company, enforceable
         against the Company in accordance with their terms, except as the
         enforcement thereof may be limited by bankruptcy, insolvency
         (including, without limitation, all laws relating to fraudulent
         transfers), reorganization, moratorium or similar laws affecting
         enforcement of creditors' rights generally and except as enforcement
         thereof is subject to general principles of equity (regardless of
         whether enforcement is considered in a proceeding in equity or at law),
         and are in the form contemplated by, and entitled to the benefits of,
         the Indenture.

                           (x) None of the Company, MCN nor any of their
                respective subsidiaries is in violation of its charter or
         by-laws or in default in the performance or observance of any
         obligation, agreement, covenant or condition contained in any
         contract, indenture, mortgage, deed of trust, loan or credit
         agreement, note, lease or other agreement or instrument to which the
         Company or MCN or any of their respective subsidiaries is a party or
         by which it or any of them may be bound, or to which any of the
         property or assets of the Company or MCN or any subsidiary is subject
         (collectively, "Agreement and Instruments") except for such
         defaults that would not result in a Material Adverse Effect; and the
         execution, delivery and performance of this Agreement, the Indenture,
         the Support Agreement and the MOPPRS and the consummation of the
         transactions contemplated herein and in the registration statement
         relating to the initial issuance of the MOPPRS (including the issuance
         and sale of the 

                                       -4-


<PAGE>   5



         MOPPRS and the use of the proceeds from the sale of the MOPPRS as
         described in the prospectus relating to the initial issuance of the
         MOPPRS under the caption "Use  of Proceeds") and compliance by the
         Company and MCN with its obligations hereunder and under the Indenture
         and the MOPPRS have been duly authorized by all necessary corporate
         action and do not and will not, whether with or without the giving of
         notice or passage of time or both, conflict with or constitute a
         breach of, or default or Repayment Event (as defined below) under, or
         result in the creation or imposition of any lien, charge or
         encumbrance upon any property or assets of the Company or MCN or any
         subsidiary pursuant to, the Agreements and Instruments (except for
         such conflicts, breaches or defaults or liens, charges or encumbrances
         that would not result in a Material Adverse Effect), nor will such
         action result in any violation of the provisions of the charter or
         by-laws of the Company or MCN or any subsidiary or any applicable law,
         statute, rule, regulation, judgment, order, writ or decree of any
         government, government instrumentality or court, domestic or foreign,
         having jurisdiction over the Company or MCN or any subsidiary or any
         of their assets, properties or operations. As used herein, a
         "Repayment Event" means any event or condition which gives the holder
         of any note, debenture or other evidence of indebtedness (or any
         person acting on such holder's behalf) the right to require the
         repurchase, redemption or repayment of all or a portion of such
         indebtedness by the Company or any subsidiary.

                           (xi) 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 or MCN, threatened, against or affecting the Company or MCN or
         any subsidiary, which is required to be disclosed in the 1934 Act
         Documents (other than as disclosed therein), or which might reasonably
         be expected to result in a Material Adverse Effect, or which might
         reasonably be expected to materially and adversely affect the
         properties or assets thereof or the consummation of the transactions
         contemplated in this Agreement or the performance by the Company or MCN
         of its obligations hereunder; the aggregate of all pending legal or
         governmental proceedings to which the Company or MCN or any subsidiary
         is a party or of which any of their respective property or assets is
         the subject which are not described in the 1934 Act Documents,
         including ordinary routine litigation incidental to the business, could
         not reasonably be expected to result in a Material Adverse Effect.

                           (xii) No filing with, or authorization, approval,
         consent, license, order, registration, qualification or decree of, any
         court or governmental authority or agency is necessary or required for 
         the performance by the Company or MCN of its obligations hereunder, in
         connection with the remarketing of the MOPPRS hereunder or the
         consummation of the transactions contemplated by this Agreement or for
         the due execution, delivery or performance of the Indenture by the
         Company, except such as have or shall have been already obtained.


                                       -5-



<PAGE>   6



                           (xiii) No labor dispute with the employees of the
         Company or MCN or any of their respective subsidiaries exists or, to
         the knowledge of the Company or MCN, is imminent, and neither the
         Company nor MCN is aware of any existing or imminent labor disturbance
         by the employees of any of its or any of its subsidiary's principal
         suppliers, manufacturers, customers or contractors which, in either
         case, may reasonably be expected to result in a Material Adverse
         Effect.

                           (xiv) Each of the Company, MCN and their respective
         subsidiaries has good and marketable title to all real property owned
         by each of them and good title to all other properties owned by them,
         in each case, free and clear of all mortgages, pledges, liens, security
         interests, claims, restrictions or encumbrances of any kind except such
         as (A) are described in the 1934 Act Documents or (B) do not, singly or
         in the aggregate, 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 MCN or any of their respective
         subsidiaries; and all of the leases and subleases material to the
         business of the Company, MCN and their respective subsidiaries, as the
         case may be, considered as one enterprise, and under which the Company
         or MCN or any of their respective subsidiaries holds properties are in
         full force and effect, and none of the Company, MCN or any of their
         respective subsidiaries has any notice of any material claim of any
         sort that has been asserted by anyone adverse to the rights of the
         Company or MCN or any of their respective subsidiaries under any of the
         leases or subleases mentioned above, or affecting or questioning the
         rights of the Company or MCN or such subsidiary to the continued
         possession of the leased or subleased premises under any such lease or
         sublease; the pipeline, distribution main and underground gas storage
         easements enjoyed by the Company or MCN or their respective
         subsidiaries are valid, subsisting and enforceable easements with such
         exceptions as are not material and do not materially interfere with the
         conduct of the business of the Company, MCN and their respective
         subsidiaries.

                           (xv) The Company, MCN and their respective
         subsidiaries possess all licenses, franchises, permits, certificates,
         approvals, consents, orders and other authorizations (collectively,
         the "Governmental Licenses") issued by the appropriate federal, state, 
         local or foreign regulatory agencies or bodies necessary for the
         ownership or lease of the material properties owned or leased by each
         of them and to conduct the business now operated by each of them; the
         Company, MCN and their respective subsidiaries are in compliance with
         the terms and conditions of all such Governmental Licenses, except
         where the failure to so comply would not, singly or in the aggregate,
         have a Material Adverse Effect; all of the Governmental Licenses are
         valid and in full force and effect, except when the invalidity of such
         Governmental Licenses or the failure of such Governmental Licenses to
         be in full force and effect would not have a Material Adverse Effect;
         and none of the Company, MCN or any of their respective subsidiaries
         has received any notice of proceedings relating to the revocation or
         modification of any such Governmental Licenses which, singly or in the 



                                     -6-



<PAGE>   7



         aggregate, if the subject of an unfavorable decision, ruling or
         finding, would result in a Material Adverse Effect.

                           (xvi) Except as described in the Registration
         Statement and except as would not, singly or in the aggregate, result
         in a Material Adverse Effect, (A) none of the Company, MCN or any of
         their respective subsidiaries is in violation of any federal, state,
         local or foreign statute, law, rule, regulation, ordinance or code,
         including any judicial or administrative order, consent, decree or
         judgment, relating to pollution or protection of human health, the
         environment (including, without limitation, ambient air, surface water,
         groundwater, land surface or subsurface strata) or wildlife, including,
         without limitation, laws and regulations relating to the release or
         threatened release of chemicals, pollutants, contaminants, wastes,
         toxic substances, hazardous substances, petroleum or petroleum products
         (collectively, "Hazardous Materials") or to the manufacture,
         processing, distribution, use, treatment, storage, disposal, transport
         or handling of Hazardous Materials (collectively, the "Environmental
         Laws"), (B) the Company, MCN and their respective subsidiaries have all
         permits, authorizations and approvals required under any applicable
         Environmental Laws and are in compliance with their requirements, and
         (C) there are no pending or threatened administrative, regulatory or
         judicial actions, suits, demands, demand letters, claims, liens,
         notices of noncompliance or violation, investigation or proceedings
         relating to any Environmental Law against the Company, MCN or any of
         their respective subsidiaries.

                           (xvii) MCN is presently exempt from the provisions of
         the Public Utility Holding Company Act of 1935 (except Section 9
         thereof) which would otherwise require it to register thereunder.

                           (xviii) The Company and MCN have complied with, and
         are 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.

                           (xix) Neither the Company nor MCN is an "investment
         company" or an entity "controlled" by an "investment company" as such
         terms are defined in the Investment Company Act of 1940, as amended.

                           (xx) The MOPPRS are rated Baa2 by Moody's Investors
         Service, Inc. and BBB+ by Standard & Poor's Rating Services, a division
         of the McGraw-Hill Companies, Inc. or such other rating as to which the
         Company shall have most recently notified the Remarketing Dealer
         pursuant to Section 3(a) hereof.

         References in the foregoing representations and warranties to the 1934
Act Documents shall be deemed to refer to the Registration Statement (as defined
in Section 3(b) below) and Prospectus



                                       -7-



<PAGE>   8



(as defined in Section 3(b) below), in  each case including the documents
incorporated by reference therein, if such are required pursuant to Section
3(e) hereof.

         (c) Additional Certifications. Any certificate signed by any director
or officer of the Company or MCN and delivered to the Remarketing Dealer or to
counsel for the Remarketing Dealer in connection with the remarketing of the
MOPPRS shall be deemed a representation and warranty by the Company or MCN, as
the case may be, to the Remarketing Dealer as to the matters covered thereby.

          Section 3. Covenants of the Company. Each of the Company and MCN
covenants with the Remarketing Dealer as follows:

         (a) The Company will provide prompt notice by telephone, confirmed in
writing (which may include facsimile or other electronic transmission), to the
Remarketing Dealer of (i) any notification or announcement by a "nationally
recognized statistical rating organization" (as defined by the Commission for
purposes of Rule 436(g)(2) under the 1933 Act) with regard to the ratings of any
securities of the Company or MCN, including, without limitation, notification or
announcement of a downgrade in or withdrawal of the rating of any security of
the Company or MCN or notification or announcement of the placement of any
rating of any securities of the Company or MCN under surveillance or review,
including placement on CreditWatch or on Watch List with negative implications,
or (ii) the occurrence at any time of any event set forth in Section 8(b) of
this Agreement.

         (b) The Company will furnish to the Remarketing Dealer:

                  (i) if required as provided in paragraph (e) below for
         purposes of the remarketing, a then currently effective registration
         statement under the 1933 Act and a then current prospectus relating to 
         the MOPPRS to be used by the Remarketing Dealer for remarketing and
         resale of the MOPPRS (such registration statement (whether consisting
         of the registration statement relating to the initial issuance of the
         MOPPRS, or any amendment thereto or a new registration statement) and
         any amendments thereto, including any such prospectus (whether
         consisting of the prospectus relating to the initial issuance of the
         MOPPRS or any amendment or supplement thereto or a new prospectus)
         relating to the MOPPRS constituting a part thereof, and all documents
         incorporated therein by reference, as from time to time amended or
         supplemented pursuant to the 1934 Act, the 1933 Act, or otherwise, are
         referred to herein as the "Registration Statement" and the
         "Prospectus," respectively, except that if any revised prospectus
         shall be provided to the Remarketing Dealer by the Company for use in
         connection with the remarketing of the MOPPRS which differs from the
         Prospectus on file at the Commission at the time the Registration
         Statement becomes effective, the term "Prospectus" shall refer to such
         revised prospectus from and after the time it is first
         provided to the Remarketing Dealer for such use); and



                                       -8-



<PAGE>   9



                  (ii) in connection with the remarketing of MOPPRS, such other
         information as the Remarketing Dealer may reasonably request from time
         to time.

         The Company agrees, at its expense, to provide the Remarketing Dealer
with as many copies of the foregoing written materials and other Company
approved information as the Remarketing Dealer may reasonably request for use in
connection with the remarketing of MOPPRS and consents to the use thereof for
such purpose.

         (c) If, at any time during which the Remarketing Dealer would be
obligated to take any action under this Agreement, any event or condition known
to the Company or MCN relating to or affecting the Company or MCN, any
subsidiary thereof or the MOPPRS shall occur which could reasonably be expected
to cause any of the reports, documents, materials or information referred to in
paragraph (b) above or any document incorporated therein by reference
(collectively, the "Remarketing Materials") to contain an untrue statement of a
material fact or omit to state a material fact, the Company or MCN shall
promptly notify the Remarketing Dealer in writing of the circumstances and
details of such event or condition.

         (d) So long as the MOPPRS are outstanding, MCN 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.

         (e) The Company and MCN will comply with the 1933 Act and the 1933 Act
Regulations, the 1934 Act and the 1934 Act Regulations and the 1939 Act and the
rules and regulations of the Commission thereunder so as to permit the
completion of the remarketing of the MOPPRS as freely transferable securities,
as contemplated in this Agreement and in the prospectus relating to the initial 
issuance of the MOPPRS. In furtherance of the foregoing, if it shall be
necessary, in the opinion of counsel for the Remarketing Dealer or for the
Company to have a Registration Statement and a Prospectus in order to comply
with the requirements of the 1933 Act or the 1933 Act Regulations and the
Commission's interpretations of the 1933 Act and the 1933 Act Regulations, or
if at any time when a Prospectus is required by the 1933 Act to be delivered in
connection with remarketing and resales of the MOPPRS, any event shall occur or
condition shall exist as a result of which it is necessary, in the opinion of
counsel for the Remarketing Dealer or for the Company, to amend the
Registration Statement or amend or supplement the Prospectus in order that the
Prospectus will not include any untrue statements 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, the Company and MCN, at its expense, will promptly
(i) prepare and file with the Commission such Registration Statement and
Prospectus, or such amendment or supplement as may be necessary to correct such
statement or omission as referred to above or to make the Registration
Statement or the Prospectus comply with such requirements as referred to above,
(ii) furnish to the Remarketing Dealer such number of copies of such
Registration Statement and Prospectus or such amendment, supplement or other
document as the Remarketing Dealer may reasonably request and (iii) furnish to
the Remarketing Dealer an 


                                     -9-


<PAGE>   10



officers' certificate, an opinion (including a statement as to the absence of
material misstatements in or omissions from the Registration Statement and
Prospectus, as amended or supplemented) of counsel for the Company satisfactory
to the Remarketing Dealer and a "comfort letter" from MCN's independent
accountants, in each case in form and substance satisfactory to the Remarketing
Dealer, of the same tenor as the officers' certificate, opinion and comfort
letter, respectively, delivered pursuant to the Purchase Agreement, but
modified to relate to the Registration Statement and Prospectus as amended or
supplemented to the date thereof.

         (f) Each of the Company and MCN agrees that neither it nor any of its
subsidiaries or affiliates shall defease, purchase or otherwise acquire, or
enter into any agreement to defease, purchase or otherwise acquire, any of the
MOPPRS prior to the remarketing thereof by the Remarketing Dealer, other than
pursuant to Section 4(g) or 4(h) of this Agreement.

         (g) Notwithstanding any provision to the contrary set forth in the
Indenture, the Company shall (i) use its best efforts to maintain the MOPPRS in
book-entry form with The Depository Trust Company ("DTC") or any successor
thereto and to appoint a successor depositary to the extent necessary to
maintain the MOPPRS in book-entry form, and (ii) waive any discretionary right
it otherwise has under the Indenture to cause the MOPPRS to be issued in
certificated form.

         (h) To the extent that a Registration Statement and a Prospectus are
required as contemplated in paragraph (e) above, the Company and MCN will comply
with covenants of the same tenor as those set forth in the Purchase Agreement,
but modified to relate to the Registration Statement and Prospectus.

         Section 4. Appointment and Obligations of the Remarketing Dealer. (a)
Unless this Agreement is otherwise terminated in accordance with Section 11
hereof, in accordance with the terms, but subject to the conditions, of this
Agreement, the Company hereby appoints Merrill Lynch, and Merrill Lynch hereby
accepts such appointment, as the exclusive Remarketing Dealer with respect to
$100,000,000 aggregate principal amount of MOPPRS, subject further to repurchase
of the MOPPRS in accordance with clause (g) of this section or redemption of the
MOPPRS in accordance with clause (h) of this section.

         (b) It is expressly understood and agreed by the parties hereto that
the obligations of the Remarketing Dealer hereunder with respect to the MOPPRS
to be remarketed on the Remarketing Date are conditioned on (i) the issuance
and delivery of such MOPPRS pursuant to the terms and conditions of the
Purchase Agreement and (ii) the Remarketing Dealer's election on the
Notification Date to purchase the MOPPRS for remarketing on the Remarketing
Date. It is further expressly understood and agreed by and between the parties
hereto that, if the Remarketing Dealer has elected to remarket the MOPPRS
pursuant to clause (c) below, the Remarketing Dealer shall not be obligated to
set the Interest Rate to Maturity on any MOPPRS, to remarket any MOPPRS or to
perform any of the other duties set forth herein at any time after the
Notification Date that (i) any of the conditions set forth in clause (a) of
Section 8 hereof shall not have been fully and completely met 





                                     -10-



<PAGE>   11



to the reasonable satisfaction of the Remarketing Dealer, or (ii) any of the
events set forth in clause (b) of Section 8 hereof shall have occurred.

         (c) On a Business Day not later than five Business Days prior to the
Remarketing Date, the Remarketing Dealer shall notify the Company and the
Trustee as to whether it elects to purchase the MOPPRS on the Remarketing Date
(the "Notification Date"). If, and only if, the Remarketing Dealer so elects,
the MOPPRS shall be subject to mandatory tender to the Remarketing Dealer for
remarketing on the Remarketing Date, subject to the conditions described herein.

         (d) Subject to the Remarketing Dealer's election to remarket the MOPPRS
as provided in clause (c) above, the Interest Rate to Maturity shall be
determined by the Remarketing Dealer by 3:30 p.m., New York City time, on the
third Business Day immediately preceding the Remarketing Date (the
"Determination Date") to the nearest one hundred-thousandth (0.00001) of one
percent per annum, and will be equal to the sum of 5.668% (the "Base Rate") plus
the Applicable Spread (as defined below), which will be based on the Dollar
Price (as defined below) of the MOPPRS.

         The "Applicable Spread" will be the lowest bid indication, expressed as
a spread (in the form of a percentage or in basis points) above the Base Rate,
obtained by the Remarketing Dealer on the Determination Date from the bids
quoted by five Reference Corporate Dealers (as defined below) for the full
aggregate principal amount of the MOPPRS at the Dollar Price, but assuming (i)
an issue date equal to the Remarketing Date, with settlement on such date
without accrued interest, (ii) a maturity date equal to the Stated Maturity Date
of the MOPPRS, and (iii) a stated annual interest rate, payable semiannually on
each Interest Payment Date for the MOPPRS, equal to the Base Rate plus the
spread bid by the applicable Reference Corporate Dealer. If fewer than five
Reference Corporate Dealers bid as described above, then the Applicable Spread
shall be the lowest of such bid indications obtained as described above. The
Interest Rate to Maturity announced by the Remarketing Dealer, absent manifest
error, shall be binding and conclusive upon the Beneficial Owners and Holders of
the MOPPRS, the Company and the Trustee.

         "Dollar Price" means, with respect to the MOPPRS, the present value
determined by the Remarketing Dealer, as of the Remarketing Date, of the
Remaining Scheduled Payments (as defined below) discounted to the Remarketing
Date, on a semiannual basis (assuming a 360-day year consisting of twelve 30-day
months), at the Treasury Rate (as defined below).

         "Reference Corporate Dealers" means leading dealers of publicly traded
debt securities of the Company in The City of New York (which may include the
Remarketing Dealer or one of its affiliates) selected by the Remarketing Dealer
after consultation with the Company.

         "Treasury Rate" means, with respect to the Remarketing Date, the rate
per annum equal to the semiannual equivalent yield to maturity or interpolated
(on a day count basis) yield to maturity of the Comparable Treasury





                                      -11-



<PAGE>   12



Issues (as defined below), assuming a price for the Comparable Treasury
Issues (expressed as a percentage of its principal amount), equal to the
Comparable Treasury Price (as defined below) for the Remarketing Date.

         "Comparable Treasury Issues" means the United States Treasury security
or securities selected by the Remarketing Dealer as having an actual or
interpolated maturity or maturities comparable to the remaining term of the
MOPPRS being remarketed.

         "Comparable Treasury Price" means, with respect to the Remarketing
Date, (a) the offer prices for the Comparable Treasury Issues (expressed in each
case as a percentage of its principal amount) on the Determination Date, as set
forth on "Telerate Page 500" (or such other page as may replace Telerate Page
500), or (b) if such page (or any successor page) is not displayed or does not
contain such offer prices on the Determination Date, (i) the average of the
Reference Treasury Dealer Quotations for the Remarketing Date, after excluding
the highest and lowest such Reference Treasury Dealer Quotations, or (ii) if the
Remarketing Dealer obtains fewer than four such Reference Treasury Dealer
Quotations, the average of all such Reference Treasury Dealer Quotations.
"Telerate Page 500" means the display designated as "Telerate Page 500" on Dow
Jones Markets Limited (or such other page as may replace Telerate Page 500 on
such service) or such other service displaying the offer prices specified in (a)
above as may replace Dow Jones Markets Limited.

         "Reference Treasury Dealer Quotations" means, with respect to each
Reference Treasury Dealer and the Remarketing Date, the offer prices for the
Comparable Treasury Issues (expressed in each case as a percentage of its
principal amount) quoted to the Remarketing Dealer by such Reference Treasury
Dealer by 3:30 p.m., New York City time, on the Determination Date.

         "Reference Treasury Dealer" means each of Credit Suisse First Boston
Corporation, Lehman Brothers Inc., Merrill Lynch, Morgan Stanley & Co.
Incorporated and Salomon Brothers Inc (or their respective affiliates which are
primary U.S. Government securities dealers) and their respective successors;
provided, however, that if any of the foregoing or their affiliates shall cease
to be a primary U.S. Government securities dealer in The City of New York (a
"Primary Treasury Dealer"), the Remarketing Dealer shall substitute therefor
another Primary Treasury Dealer.

         "Remaining Scheduled Payments" means, with respect to the MOPPRS, the
remaining scheduled payments of the principal thereof and interest thereon,
calculated at the Base Rate only, that would be due after the Remarketing Date  
to and including the Stated Maturity Date, as determined by the Remarketing
Dealer; provided, however, that if the Remarketing Date is not an Interest
Payment Date with respect to the MOPPRS, the amount of the next succeeding
scheduled interest payment thereon, calculated at the Base Rate only, will be
reduced by the amount of interest accrued thereon, calculated at the Base Rate
only, to the Remarketing Date.

         (e) Subject to the Remarketing Dealer's election to remarket the MOPPRS
as provided in clause (c) above, the Remarketing Dealer shall notify the
Company, the Trustee and DTC by telephone, confirmed in writing (which may
include facsimile or other electronic transmission), by 






                                      -12-





<PAGE>   13
4:00 p.m., New York City time, on the Determination Date of the Interest
Rate to Maturity applicable to the MOPPRS effective from and including the
Remarketing Date.

         (f) In the event that the MOPPRS are remarketed as provided herein, the
Remarketing Dealer shall make, or cause the Trustee to make, payment to the DTC
Participant of each tendering Beneficial Owner of MOPPRS subject to remarketing,
by book-entry through DTC by the close of business on the Remarketing Date
against delivery through DTC of such Beneficial Owner's tendered MOPPRS, of 100%
of the principal amount of the tendered MOPPRS that have been purchased for
remarketing by the Remarketing Dealer. The Company shall make, or cause the
Trustee to make, payment of interest to each Beneficial Owner of MOPPRS due on
the Remarketing Date by book-entry through DTC by the close of business on the
Remarketing Date.

         (g) Subject to Section 11(c) of this Agreement, in the event that (i)
the Remarketing Dealer for any reason does not notify the Company of the
Interest Rate to Maturity by 4:00 p.m., New York City time, on the Determination
Date, or (ii) prior to the Remarketing Date, the Remarketing Dealer has resigned
and no successor has been appointed on or before the Determination Date, or
(iii) the Remarketing Dealer has terminated this Agreement pursuant to Section 8
or Section 11 hereof at any time after the Remarketing Dealer elects on the
Notification Date to remarket the MOPPRS, or (iv) the Remarketing Dealer for any
reason does not elect, by notice to the Company, and the Trustee not later than
the Notification Date, to purchase the MOPPRS for remarketing on the Remarketing
Date, or (v) the Remarketing Dealer for any reason does not purchase all
tendered MOPPRS on the Remarketing Date, the Company shall repurchase the MOPPRS
as a whole on the Remarketing Date at a price equal to 100% of the principal
amount of the MOPPRS plus all accrued and unpaid interest, if any, on the MOPPRS
to the Remarketing Date. In any such case, payment will be made by the Company
through the Trustee to the DTC Participant of each tendering Beneficial Owner of
MOPPRS, by book-entry through DTC by the close of business on the Remarketing
Date against delivery through DTC of such Beneficial Owner's tendered MOPPRS.

         (h) If the Remarketing Dealer elects to remarket the MOPPRS as provided
in clause (c) above, then not later than the close of business on the Business
Day immediately preceding the Determination Date, the Company shall notify the
Remarketing Dealer and the Trustee if the Company irrevocably elects to
exercise its right to redeem the MOPPRS, in whole but not in part, from the
Remarketing Dealer on the Remarketing Date at the Optional Redemption
Price. The "Optional Redemption Price" shall be the greater of (i) 100% of the
principal amount of the MOPPRS and (ii) the sum of the present values of the
Remaining Scheduled Payments thereon, as determined by the Remarketing Dealer,
discounted to the Remarketing Date on a semiannual basis (assuming a 360-day
year consisting of twelve 30-day months) at the Treasury Rate, plus in either
case accrued and unpaid interest from the Remarketing Date on the principal
amount being redeemed to the date of redemption. If the Company elects to
redeem the MOPPRS, it shall pay the redemption price therefor in same-day funds
by wire transfer to an account designated by the Remarketing Dealer on the
Remarketing Date.


                                      -13-


<PAGE>   14



         (i) The Remarketing Dealer may, with the consent of the Company which
shall not be unreasonably withheld, and in accordance with the terms of the
Indenture, modify the tender and settlement procedures set forth in the
Indenture in order to facilitate the tender and settlement process.

         (j) The tender and settlement procedures described above, including
provisions for payment by purchasers of MOPPRS in the remarketing or for payment
to selling Beneficial Owners of tendered MOPPRS, may be modified, with the
consent of the Company which shall not be unreasonably withheld, to the extent
required by DTC or, if agreed to by the Remarketing Dealer in accordance with
Section 8(b)(viii) of this Agreement, to the extent required to facilitate the
tender and remarketing of MOPPRS in certificated form, if the book-entry system
is no longer available for the MOPPRS at the time of the remarketing.

         Section 5. Fees and Expenses. Subject to Section 11 of this Agreement,
for its services in performing its duties set forth herein, the Remarketing
Dealer will not receive any fees or reimbursement of expenses from the Company.

         Section 6. Resignation of the Remarketing Dealer. The Remarketing
Dealer may resign and be discharged from its duties and obligations hereunder at
any time, such resignation to be effective 10 days after delivery of a written
notice to the Company and the Trustee of such resignation. The Remarketing
Dealer also may resign and be discharged from its duties and obligations
hereunder at any time, such resignation to be effective immediately, upon
termination of this Agreement in accordance with Section 11(b) hereof. It shall
be the sole responsibility of the Company to appoint a successor Remarketing
Dealer.

         Section 7. Dealing in the MOPPRS; Purchase of MOPPRS by the Company.
(a) Merrill Lynch, when acting as the Remarketing Dealer or in its individual
or any other capacity, may, to the extent permitted by law, buy, sell, hold and
deal in any of the MOPPRS. Merrill Lynch, as Holder or Beneficial Owner of the  
MOPPRS, may exercise any vote or join as a Holder or Beneficial Owner, as the
case may be, in any action which any Holder or Beneficial Owner of MOPPRS may
be entitled to exercise or take pursuant to the Indenture with like effect as
if it did not act in any capacity hereunder. The Remarketing Dealer, in its
capacity either as principal or agent, may also engage in or have an interest
in any financial or other transaction with the Company as freely as if it did
not act in any capacity hereunder.

         (b) The Company may purchase MOPPRS in the remarketing, provided that
the Interest Rate to Maturity established with respect to MOPPRS in the
remarketing is not different from the Interest Rate to Maturity that would have
been established if the Company had not purchased such MOPPRS.

         Section 8. Conditions to Remarketing Dealer's Obligations. The
obligations of the Remarketing Dealer under this Agreement have been undertaken
in reliance on, and shall be subject 


                                      -14-




<PAGE>   15



to, (a) the due performance by the Company and MCN of its obligations and
agreements as set forth in this Agreement and the  accuracy of the
representations and warranties in this Agreement and any certificate delivered
pursuant hereto, and (b) the further condition that none of the following
events shall have occurred at any time:

                           (i) the rating of any securities of the Company or
         MCN shall have been down-graded or put under surveillance or review,
         including being put on CreditWatch or Watch List with negative
         implications, or withdrawn by a nationally recognized statistical
         rating organization;

                           (ii) without the prior written consent of the
         Remarketing Dealer, the Indenture (including the MOPPRS) shall have
         been amended in any manner, or otherwise contain any provision not
         contained therein as of the date hereof, that in either case in the
         judgment of the Remarketing Dealer materially and adversely changes the
         nature of the MOPPRS or the remarketing procedures (it being understood
         that, notwithstanding the provisions of this clause (ii), the Company
         shall not be prohibited from amending the Indenture);

                           (iii) trading in any securities of the Company or MCN
         shall have been suspended or materially limited by the Commission or
         the New York Stock Exchange, or if trading generally on the American
         Stock Exchange or the New York Stock Exchange or in the Nasdaq National
         Market shall have been suspended or materially limited, or minimum or
         maximum prices for trading shall have been fixed, or maximum ranges for
         prices shall have been required, by any of said exchanges or by such
         system or by order of the Commission, the National Association of
         Securities Dealers, Inc. or any other governmental authority, or if a
         banking moratorium shall have been declared by either Federal or New
         York authorities;

                           (iv) there shall have occurred any material adverse
         change in the financial markets in the United States or the
         international financial markets, any outbreak of hostilities or        
         escalation thereof or other calamity or crisis or any change or
         development involving a prospective change in national or
         international political, financial or economic conditions, in each
         case the effect of which is such as to make it, in the judgment of the
         Remarketing Dealer, impracticable to remarket the MOPPRS or to enforce
         contracts for the sale of the MOPPRS;

                           (v) an Event of Default (as defined in the
         Indenture), or any event which, with the giving of notice or passage of
         time, or both, would constitute an Event of Default, with respect to
         the MOPPRS shall have occurred and be continuing;

                           (vi) a material adverse change in the condition,
         financial or otherwise, or in the earnings, business affairs or
         business prospects of the Company or MCN and their



                                      -15-


<PAGE>   16
         respective subsidiaries considered as one enterprise, whether or
         not arising in the ordinary course of business, shall have occurred;

                           (vii) if a Prospectus is required under the 1933 Act
         to be delivered in connection with the remarketing of the MOPPRS, the
         Company shall fail to furnish to the Remarketing Dealer on the
         Remarketing Date the officers' certificate, opinion and comfort letter
         referred to in Section 3(e) of this Agreement and such other documents
         and opinions as counsel for the Remarketing Dealer may reasonably
         require for the purpose of enabling such counsel to pass upon the sale
         of MOPPRS in the remarketing as herein contemplated and related
         proceedings, or in order to evidence the accuracy and completeness of
         any of the representations and warranties, or the fulfillment of any of
         the conditions, herein contained; or

                           (viii) the MOPPRS are not maintained in book-entry
         form with DTC or any successor thereto; provided, that the Remarketing
         Dealer, in its sole discretion and subject to receipt of an opinion of
         counsel for the Company reasonably satisfactory to the Remarketing
         Dealer, may waive the foregoing condition if in the Remarketing
         Dealer's judgment the Indenture and the MOPPRS can be amended, and they
         are amended, so as to permit the remarketing of the MOPPRS in
         certificated form and otherwise as contemplated herein;

and the Remarketing Dealer shall have received on the Remarketing Date a
certificate of the President or a Vice President and of the Chief Financial
Officer or Chief Accounting Officer of each of the Company and MCN, dated as of
the Remarketing Date, to the effect that (i) the representations and warranties
in this Agreement are true and correct with the same force and effect as though
expressly made at and as of the Remarketing Date, (ii) the Company and MCN have
complied with all agreements and satisfied all conditions on its part to be
performed or satisfied at or prior to the Remarketing Date and (iii) none of the
events specified in the preceding clause (b) has occurred.

         (c) In furtherance of the foregoing, the effectiveness of the
Remarketing Dealer's election on the Notification Date to remarket the MOPPRS   
shall be subject to the condition that the Remarketing Dealer shall have
received a certificate of the President or a Vice President and of the Chief
Financial Officer or Chief Accounting Officer of each of the Company and MCN,
dated as of the Notification Date, to the effect that (i) the Company has,
prior to the Remarketing Dealer's election on the Notification Date to remarket
the MOPPRS, provided the Remarketing Dealer with notice of all events as
required under Section 3(a) of this Agreement, (ii) the representations and
warranties in this Agreement are true and correct at and as of the Notification
Date and (iii) the Company and MCN have complied with all agreements and
satisfied all conditions on its part to be performed or satisfied at or prior
to the Notification Date. Such certificates shall be delivered by the Company
to the Remarketing Dealer as soon as practicable following notification by the
Remarketing Dealer to the Company and MCN on the Notification Date of its
election to remarket the MOPPRS and in any event prior to the Determination
Date.


                                      -16-


<PAGE>   17



         In the event of the failure of any of the foregoing conditions, the
Remarketing Dealer may terminate its obligations under this Agreement or
redetermine the Interest Rate to Maturity as provided in Section 11.

          Section 9. Indemnification. (a) The Company and MCN jointly agree to
indemnify and hold harmless the Remarketing Dealer and its officers, directors
and employees and each person, if any, who controls the Remarketing Dealer
within the meaning of Section 20 of the 1934 Act as follows:

                  (i) against any loss, liability, claim, damage and expense
         whatsoever, as incurred, arising out of, (A) the failure to have an
         effective Registration Statement under the 1933 Act relating to the
         MOPPRS, if required, or the failure to satisfy the prospectus delivery
         requirements of the 1933 Act because the Company failed to provide the
         Remarketing Dealer with a Prospectus for delivery, or (B) any untrue
         statement or alleged untrue statement of a material fact contained in
         any of the Remarketing Materials (including any incorporated
         documents), or (C) the omission or alleged omission therefrom of a
         material fact necessary to make the statements therein, in the light of
         the circumstances in which they were made, not misleading, or (D) any
         violation by the Company or MCN of, or any failure by the Company or
         MCN to perform any of its obligations under, this Agreement, or (E) the
         acts or omissions of the Remarketing Dealer in connection with its
         duties and obligations to determine the Interest Rate to Maturity
         hereunder except that are finally judicially determined to be due to
         its gross negligence or willful misconduct;

                  (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 investigation or proceeding by
         any governmental agency or body, commenced or threatened, or of any
         claim whatsoever arising out of, or based upon, any of items (A)
         through (E) in clause (i) above; provided that (subject to clause (d)
         below) such settlement is effected with the written consent of the 
         Company, which consent shall not be unreasonably withheld; and

                  (iii) against any and all expense whatsoever, as incurred
         (including the fees and disbursements of counsel chosen by the
         Remarketing Dealer), 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 arising out of, or based upon, any
         of items (A) through (E) in clause (i) above to the extent that any
         such expense is not paid under (i) or (ii) above; 

provided, however, that the foregoing indemnity shall not apply to any
losses, liabilities, claims, damages and expenses to the extent arising out of
any untrue statement or omission made in reliance upon and in conformity with
written information furnished to the Company or MCN by the Remarketing Dealer
expressly for use in the Remarketing Materials; provided, further, that, if
applicable, the foregoing indemnity provided in Section 9(a)(i)(B) and (C)
hereof with respect to  




                                     -17-



<PAGE>   18
any preliminary prospectus shall not inure to the benefit of the
Remarketing Dealer (or any person controlling such Remarketing Dealer) from
whom the person asserting any such loss, liability, claim, damage or expense
purchased any of the MOPPRS 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 MOPPRS to such person in any case where the Company complied with
its obligations under Section 3(b) 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 Remarketing Dealer agrees to indemnify and hold harmless the
Company, MCN, its directors and each of its officers who signed the Registration
Statement, from and against any loss, liability, claim, damage and expense, as
incurred, but only with respect to untrue statements or omissions, or alleged
untrue statements or omissions made in the Remarketing Materials in reliance
upon and in conformity with information furnished to the Company or to MCN in
writing by the Remarketing Dealer expressly for use in such Remarketing
Materials. The indemnity agreement in this paragraph shall extend upon the same
terms and conditions to each person, if any, who controls the Company within the
meaning of Section 20 of the 1934 Act.

         (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 clause 9 (a) above, counsel to the indemnified parties
shall be selected by Merrill Lynch, and, in  the case of parties indemnified
pursuant to clause (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 9 or Section 10 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, 

                                      -18-



<PAGE>   19
investigation, proceeding or claim and (ii) does not include    a statement as
to or an admission or 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 clause 9 (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.

         (e) The indemnity agreements contained in this Section 9 shall remain
operative and in full force and effect, regardless of any investigation made by
or on behalf of the Remarketing Dealer, and shall survive the termination or
cancellation of this Agreement and the remarketing of any MOPPRS hereunder.

         Section 10. Contribution. If the indemnification provided for in
Section 9 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 and MCN on the one hand and the Remarketing Dealer on the other hand
from the remarketing of the MOPPRS 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 and MCN on
the one hand and of the Remarketing Dealer on the other hand in connection with
the acts, failures to act, 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 and MCN on the one hand
and the Remarketing Dealer on the other hand in connection with the remarketing
of the MOPPRS pursuant to this Agreement shall be deemed to be in the same
respective proportions as (i) the aggregate principal amount of the MOPPRS, and
(ii) the aggregate positive difference, if any, between the price at which the
MOPPRS are sold by the Remarketing Dealer in the remarketing and the price paid
by the Remarketing Dealer for the MOPPRS tendered on the Remarketing Date.

         The relative fault of the Company and MCN on the one hand and the
Remarketing Dealer on the other hand shall be determined by reference to, among
other things, the responsibility hereunder of the applicable party for any act
or failure to act relating to the losses, liabilities, claims, damages or
expenses incurred or, in the case of any losses, liabilities, claims, damages or
expenses arising out of any untrue or alleged untrue statement of a material
fact contained in any of the 




                                      -19-



<PAGE>   20



Remarketing Materials or the omission or alleged omission to state a
material fact therefrom, 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 MCN or by the Remarketing
Dealer and the parties' relative intent, knowledge, access to information and
opportunity to correct or prevent such statement or omission.

         The Company and MCN and the Remarketing Dealer agree that it would not
be just and equitable if contribution pursuant to this Section 10 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 10. The aggregate amount of losses, liabilities, claims, damages and
expenses incurred by an indemnified party and referred to above in this Section
10 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 act
or failure to act or untrue or alleged untrue statement or omission or alleged
omission.

         Notwithstanding the provisions of this Section 10, the Remarketing
Dealer shall not be required to contribute any amount in excess of the amount by
which the total price at which the MOPPRS remarketed by it and resold to the
public were sold to the public exceeds the amount of any damages which the
Remarketing Dealer has otherwise been required to pay by reason of any act or
failure to act for which it is responsible hereunder or any 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 10, each person, if any, who controls the
Remarketing Dealer 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 Remarketing
Dealer, and each director of the Company and MCN, each officer of the Company
and MCN who signed the Registration Statement, and each person, if any, who
controls the Company or MCN 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 and MCN.

         Section 11. Termination of Remarketing Agreement or Redetermination of
Interest Rate to Maturity. (a) This Agreement shall terminate as to the
Remarketing Dealer on the effective date of the resignation of the Remarketing
Dealer pursuant to Section 6 hereof or the repurchase of the MOPPRS by the
Company pursuant to Section 4(g) hereof or the redemption of the MOPPRS by the
Company pursuant to Section 4(h) hereof.

         (b) In addition, the Remarketing Dealer may terminate all of its
obligations under this Agreement immediately by notifying the Company and the
Trustee of its election to do so, at any 





                                      -20-



<PAGE>   21
time on or before the Remarketing Date, in the event that: (i) any of the
conditions referred to or set forth in Section 8(a) hereof have not been met or
satisfied in full, (ii) any of the events set forth in Section 8(b) shall have
occurred at any time or (iii) the Remarketing Dealer determines, in its sole
discretion, after consultation with the Company, that it shall not have
received all of the information, whether or not specifically referenced herein,
necessary to fulfill its obligations under this Agreement.

         (c) Notwithstanding any provision herein to the contrary, in lieu of
terminating this Agreement pursuant to Section 11(b) above, upon the occurrence
of any of the events set forth therein, the Remarketing Dealer, in its sole
discretion at any time between the Determination Date and 3:30 p.m., New York
City time, on the Business Day immediately preceding the Remarketing Date, may
elect to purchase the MOPPRS for remarketing and determine a new Interest Rate
to Maturity in the manner provided in Section 4(d) of this Agreement, except
that for purposes of determining the new Interest Rate to Maturity pursuant to
this paragraph the Determination Date referred to therein shall be the date of
such election and redetermination. The Remarketing Dealer shall notify the
Company, the Trustee and DTC by telephone, confirmed in writing (which may
include facsimile or other electronic transmission), by 4:00 p.m., New York City
time, on the date of such election, of the new Interest Rate to Maturity
applicable to the MOPPRS. Thereupon, such new Interest Rate to Maturity shall
supersede and replace any Interest Rate to Maturity previously determined by the
Remarketing Dealer and, absent manifest error, shall be binding and conclusive
upon the Beneficial Owners and Holders of the MOPPRS on or after the Remarketing
Date, the Company and the Trustee; provided, however, that the Remarketing
Dealer, by redetermining the Interest Rate to Maturity upon the occurrence of
any event set forth in Section 11(b) as set forth above, shall not thereby be
deemed to have waived its right to determine a new Interest Rate to Maturity or
terminate this Agreement upon the occurrence of any other event set forth in
Section 11(b).

         (d) If this Agreement is terminated pursuant to this Section, such
termination shall be without liability of any party to any other party, except
that, in the case of termination pursuant to Section 11(b) of this Agreement,
the Company and MCN shall reimburse the Remarketing Dealer for all of its
out-of-pocket expenses, including the reasonable fees and disbursements of
counsel for the Remarketing Dealer, and except further as set forth in Section
11(e) below. Sections 1, 9, 10, 11(d) and 11(e) shall survive such termination
and remain in full force and effect.

         (e) In the case of either (i) termination of this Agreement after the
Remarketing Dealer's election on the Notification Date to remarket the MOPPRS,
pursuant to Section 11(b) or (ii) termination of this Agreement due to the
occurrence, prior to the Remarketing Dealer's election on the Notification Date
to remarket the MOPPRS, of any event set forth in Section 8(b)(ii), (v) or
(viii), upon the request of the Remarketing Dealer, the Company shall
immediately following the Call Price Determination Date (as defined below) pay
the Remarketing Dealer, in same-day funds by wire transfer to an account
designated by the Remarketing Dealer, the fair market value,





                                      -21-



<PAGE>   22


calculated as set forth below, of the Remarketing Dealer's right to
purchase and remarket the MOPPRS pursuant to this Agreement (the "Call Price").

         In the case of termination of this Agreement pursuant to Section 11(b)
after the Remarketing Dealer elects on the Notification Date to remarket the
MOPPRS, the Call Price shall be equal to the excess of (i) the Dollar Price of
the MOPPRS determined as provided in Section 4 over (ii) the aggregate principal
amount of the MOPPRS.

         In the case of termination of this Agreement due to the occurrence,
prior to the Remarketing Dealer's election on the Notification Date to remarket
the MOPPRS, of any event set forth in Section 8(b)(ii), (v) or (viii), the Call
Price shall be determined in good faith by the Remarketing Dealer on a
commercially reasonable basis by reference to, among other factors, the
formulation set forth in the preceding paragraph.

         The Remarketing Dealer shall determine the applicable Call Price on the
Business Day immediately following the date of termination or notification of
the occurrence, prior to the Remarketing Dealer's election on the Notification
Date to remarket the MOPPRS, of any event set forth in Section 8(b)(ii), (v) or
(viii), as the case may be, or as soon as practicable thereafter (the "Call
Price Determination Date"). The Remarketing Dealer shall promptly notify the
Company of the Call Price Determination Date and the Call Price by telephone,
confirmed in writing (which may include facsimile or other electronic
transmission). The Call Price, absent manifest error, shall be binding and
conclusive upon the parties hereto.


         (f) This Agreement shall not be subject to termination by the Company
or MCN.

         (g) Notwithstanding any provision herein to the contrary, upon the
occurrence of any of the events set forth in Section 8(b)(i), (iii), (iv) or
(vi) hereof, the Remarketing Dealer, in its sole discretion, may terminate all
of its obligations under this Agreement pursuant to Section 11(b) hereof upon
consultation with the Company.

         Section 12. Remarketing Dealer's Performance; Duty of Care. The duties
and obligations of the Remarketing Dealer shall be determined solely by the
express provisions of this Agreement and the Indenture. No implied covenants or
obligations of or against the Remarketing Dealer shall be read into this
Agreement or the Indenture. In the absence of bad faith on the part of the
Remarketing Dealer, the Remarketing Dealer may conclusively rely upon any
document furnished to it, which purports to conform to the requirements of this
Agreement and the Indenture, as to the truth of the statements expressed in any
of such documents. The Remarketing Dealer shall be protected in acting upon any
document or communication reasonably believed by it to have been signed,
presented or made by the proper party or parties. The Remarketing Dealer shall
incur no liability hereunder to any Beneficial Owner or Holder of MOPPRS in its
individual capacity or as Remarketing Dealer for any action or failure to act in
connection with the remarketing or otherwise. The Remarketing Dealer shall incur
no liability to the Company or MCN with respect to calculation



                                       -22-



<PAGE>   23


of the Interest Rate to Maturity, except as a result of gross negligence or
willful misconduct on its part.

          Section 13. GOVERNING LAW. THIS AGREEMENT SHALL BE GOVERNED
BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW
YORK APPLICABLE TO CONTRACTS MADE AND TO BE PERFORMED IN SUCH
STATE.

         Section 14. Term of Agreement. Unless otherwise terminated in
accordance with the provisions hereof, this Agreement shall remain in full force
and effect from the date hereof until the earlier of the first day thereafter on
which no MOPPRS are outstanding or the completion of the remarketing of the
MOPPRS. Regardless of any termination of this Agreement pursuant to any of the
provisions hereof, the obligations of the Company and MCN pursuant to Sections
9, 10 and 11 hereof shall remain operative and in full force and effect until
fully satisfied.

         Section 15. Successors and Assigns. The rights and obligations of the
Company and MCN hereunder may not be assigned or delegated to any other person
without the prior written consent of the Remarketing Dealer. This Agreement     
shall inure to the benefit of and be binding upon the Company and MCN and the
Remarketing Dealer and their respective successors and assigns, and will not
confer any benefit upon any other person, partnership, association or
corporation other than persons, if any, controlling the Remarketing Dealer
within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act,
or any indemnified party to the extent provided in Section 9 hereof, or any
person entitled to contribution to the extent provided in Section 10 hereof.
The terms "successors" and "assigns" shall not include any purchaser of any
MOPPRS merely because of such purchase.

         Section 16. Headings. Section headings have been inserted in this
Agreement as a matter of convenience of reference only, and it is agreed that
such section headings are not a part of this Agreement and will not be used in
the interpretation of any provisions of this Agreement.

         Section 17. Severability. If any provision of this Agreement shall be
held or deemed to be or shall, in fact, be invalid, inoperative or unenforceable
as applied in any particular case in any or all jurisdictions because it
conflicts with any provision of any constitution, statute, rule or public policy
or for any other reason, such circumstances shall not have the effect of
rendering the provision in question invalid, inoperative or unenforceable in any
other case, circumstance or jurisdiction, or of rendering any other provision or
provisions of this Agreement invalid, inoperative or unenforceable to any extent
whatsoever.

          Section 18. Counterparts. This Agreement may be executed in several
counterparts, each of which shall be regarded as an original and all of which
shall constitute one and the same document.


                                      -23-



<PAGE>   24
          Section 19. Amendments. This Agreement may be amended by any
instrument in writing signed by each of the parties hereto so long as this
Agreement as amended is not inconsistent with the Indenture in effect as of the
date of any such amendment.

         Section 20. Notices. Unless otherwise specified, any notices, requests,
consents or other communications given or made hereunder or pursuant hereto
shall be made in writing (which may include facsimile or other electronic
transmission) and shall be deemed to have been validly given or made when
delivered or mailed, registered or certified mail, return receipt requested and
postage prepaid, addressed as follows:

         (a)      to the Company or MCN:

                           MCN Energy Group Inc.
                           500 Griswold Street
                           Detroit, Michigan  48226
                           Attention: Daniel L. Schiffer, Esq.,
                                        Senior Vice President, General
                                        Counsel and Secretary
                           Facsimile No.: (313) 965-0009


          (b)      to Merrill Lynch:

                           Merrill Lynch, Pierce, Fenner & Smith Incorporated
                           North Tower
                           World Financial Center
                           New York, New York  10281-1307
                           Attention: Swaps Option Desk
                           Facsimile No.: (212) 449-8920

                           With a copy to: Scott Primrose/Transaction Management
                           Group
                           Facsimile No.: (212) 449-2234

or to such other address as the Company or the Remarketing Dealer shall specify
in writing.

                                      -24-



<PAGE>   25



         IN WITNESS WHEREOF, each of the Company, MCN and the Remarketing Dealer
has caused this Remarketing Agreement to be executed in its name and on its
behalf by one of its duly authorized officers as of the date first above
written.


                                        MCN INVESTMENT CORPORATION


                                        By:  /s/ Sebastian Coppola
                                           -----------------------------------
                                           Name: Sebastian Coppola
                                           Title: Vice President and Treasuer


                                        MCN ENERGY GROUP INC.



                                        By:  /s/ Sebastian Coppola
                                           -----------------------------------
                                           Name: Sebastian Coppola
                                           Title: Senior Vice President,
                                                  Finance and Treasuer


                                        MERRILL LYNCH, PIERCE, FENNER & SMITH
                                                       INCORPORATED


                                        By:  /s/ Anthony V. Leness
                                           -----------------------------------
                                                       Authorized Signatory


                                      -25-




<PAGE>   1
                                                                    EXHIBIT 10.2



                              REMARKETING AGREEMENT

         REMARKETING AGREEMENT, dated as of March 31, 1998 (the "Remarketing
Agreement"), between MCN Investment Corporation, a Michigan corporation (the
"Company") and a wholly-owned subsidiary of MCN Energy Group Inc. ("MCN"), a
Michigan corporation, and Merrill Lynch, Pierce, Fenner & Smith Incorporated
("Merrill Lynch" and, in its capacity as the remarketing dealer hereunder, the
"Remarketing Dealer").

         WHEREAS, the Company has issued $100,000,000 aggregate principal amount
of its 6.35% MandatOry Par Put Remarketed Securities(SM) due April 2, 2012 (the
"MOPPRS(SM)"), pursuant to an Indenture, dated as of September 1, 1995 (the
"Indenture"), between the Company and NBD Bank, as trustee (the "Trustee"); and

         WHEREAS, the MOPPRS are being sold initially pursuant to a purchase
agreement, dated March 26, 1998 (the "Purchase Agreement"), between the Company
and Merrill Lynch, Chase Securities Inc. and J.P. Morgan Securities Inc.; and

         WHEREAS, the MOPPRS will have the benefit of a Support Agreement, dated
as of September 1, 1995 (the "Support Agreement"), between the Company and MCN;
and

         WHEREAS, the Company and MCN have filed with the Securities and
Exchange Commission (the "Commission") a registration statement on Form S-3 (No.
333-47137) under the Securities Act of 1933, as amended (the "1933 Act"), in
connection with the offering of Debt Securities, including the MOPPRS, and the
obligations pursuant to the Support Agreement, which registration statement was
declared effective by order of the Commission on March 18, 1998, and has filed
such amendments thereto and such amended prospectuses as may have been required
to the date hereof, and will file such additional amendments thereto and such
additional amended prospectuses as may hereafter be required; and

         WHEREAS, Merrill Lynch is prepared to act as the Remarketing Dealer
with respect to the remarketing of the MOPPRS on April 2, 2002 (the "Remarketing
Date") pursuant to the terms of, but subject to the conditions set forth in,
this Agreement;

         NOW, THEREFORE, for and in consideration of the covenants herein made,
and subject to the conditions herein set forth, the parties hereto agree as
follows:


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

         "MandatOry Par Put Remarketed Securities(SM)" and "MOPPRS(SM)" are
         service marks owned by Merrill Lynch & Co., Inc.





<PAGE>   2


         Section 1.      Definitions. Capitalized terms used and not defined
in this Agreement shall have the meanings assigned to them in the Indenture
(including the form of the MOPPRS).
                    
         Section 2.      Representations and Warranties. (a) Each of the
Company and MCN represents and warrants to the Remarketing Dealer as of the date
hereof, the Notification Date (as defined below), the Determination Date (as
defined below) and the Remarketing Date (each such date being hereinafter
referred to as a "Representation Date"), that (i) it has made all the filings
with the Commission that it is required to make under the Securities Exchange
Act of 1934, as amended (the "1934 Act"), and the rules and regulations
thereunder (the "1934 Act Regulations") (collectively, the "1934 Act
Documents"), (ii) each 1934 Act Document complies in all material respects with
the requirements of the 1934 Act and 1934 Act Regulations, and each 1934 Act
Document did not at the time of filing with the Commission, and as of each
Representation Date, as modified or superseded by any subsequently filed 1934
Act Document on or prior to such Representation Date, will not, include an
untrue statement of a material fact or omit to state a material fact required to
be stated therein or necessary in order to make the statements therein, in the
light of the circumstances under which they were made, not misleading and (iii)
the applicable Remarketing Materials (as defined herein), as of each
Representation Date after the date hereof, as modified or superseded by any
subsequently filed 1934 Act Document on or prior to such Representation Date
(or, if applicable, by any document filed pursuant to the 1933 Act and the rules
and regulations thereunder (the "1933 Act Regulations")), will not include an
untrue statement of a material fact or omit to state a material fact required to
be stated therein or necessary in order to make the statements therein, in the
light of the circumstances under which they were made, not misleading.

         (b)     Each of the Company and MCN further represents and warrants to
the Remarketing Dealer as of each Representation Date as follows:

                         (i)       The accountants who certified the financial
         statements and supporting schedules included or incorporated by
         reference in the 1934 Act Documents are independent public accountants
         as required by the 1933 Act and the 1933 Act Regulations.

                         (ii)      The financial statements included or
         incorporated by reference in the 1934 Act Documents, together with the
         related schedules and notes, present fairly the financial position of
         MCN and its consolidated subsidiaries at the dates indicated and the
         statement of operations, stockholders' equity and cash flows of MCN and
         its consolidated subsidiaries 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 1934 Act Documents present fairly in
         accordance with GAAP the information required to be stated therein. The
         pro forma financial statements and the related notes thereto, if any,
         included or incorporated by reference in the 1934 Act Documents present
         fairly the information shown therein, have been prepared in accordance
         with the Commission's rules and guidelines with respect to pro forma
         financial statements

                                       -2-
<PAGE>   3

         and have been properly compiled on the bases described therein, and the
         assumptions used in the preparation thereof are reasonable and the
         adjustments used therein are appropriate to give effect to the
         transactions and circumstances referred to therein.

                         (iii)     Since the respective dates as of which
         information is given in the 1934 Act Documents, except as otherwise
         stated therein, (A) 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 or MCN and their respective
         subsidiaries considered as one enterprise, whether or not arising in
         the ordinary course of business (a "Material Adverse Effect"), (B)
         there have been no transactions entered into by the Company or MCN or
         any of their respective subsidiaries, other than those in the ordinary
         course of business, which are material with respect to the Company or
         MCN and their respective subsidiaries considered as one enterprise, and
         (C) except for regular dividends on the common stock, par value $.01
         per share, of MCN in amounts per share that are consistent with past
         practice, there has been no dividend or distribution of any kind
         declared, paid or made by MCN on any class of its capital stock.

                         (iv)      Each of the Company and MCN has been duly
         organized and is validly existing as a corporation in good standing
         under the laws of the State of Michigan and has corporate power and
         authority to own, lease and operate its properties and to conduct its
         business as described in the 1934 Act Documents and to enter into and
         perform its obligations under this Agreement; and each of the Company
         and MCN is duly qualified as a foreign corporation to transact business
         and is in good standing in each other 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 result in a
         Material Adverse Effect.

                         (v)       Each subsidiary of the Company and MCN has 
         been duly organized and is validly existing as a corporation in good
         standing under the laws of the jurisdiction of its incorporation, has
         corporate power and authority to own, lease and operate its properties
         and to conduct its business as described in the 1934 Act Documents 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 so to qualify or to
         be in good standing would not result in a Material Adverse Effect;
         except as otherwise disclosed in the 1934 Act Documents, all of the
         issued and outstanding capital stock of each such subsidiary has been
         duly authorized and validly issued, is fully paid and non-assessable
         and is owned by the Company or MCN, as the case may be, directly or
         through subsidiaries, free and clear of any security interest,
         mortgage, pledge, lien, encumbrance, claim or equity; none of the
         outstanding shares of capital stock of any such subsidiary was issued
         in violation of the preemptive or similar rights of any securityholder
         of such subsidiary.

                                      -3-
<PAGE>   4

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

                         (vii)     The Indenture has been duly authorized,
         executed and delivered by the Company and duly qualified under the
         Trust Indenture Act of 1939, as amended (the "1939 Act"), and, assuming
         it has been duly executed and delivered by the Trustee, constitutes a
         valid and binding agreement of the Company, enforceable against the
         Company in accordance with its terms, except as the enforcement thereof
         may be limited by bankruptcy, insolvency (including, without
         limitation, all laws relating to fraudulent transfers, reorganization,
         moratorium or similar laws affecting enforcement of creditors' rights
         generally and except as enforcement thereof is subject to general
         principles of equity (regardless of whether enforcement is considered
         in a proceeding in equity or at law) (the "Bankruptcy Exceptions").

                         (viii)    The Support Agreement has been duly and
         validly authorized, executed and delivered by each of the Company and
         MCN, and constitutes a valid and legally binding instrument,
         enforceable against the Company and MCN in accordance with its terms
         except to the extent that the enforcement thereof may be limited by the
         Bankruptcy Exceptions.

                         (ix)      The MOPPRS have been duly authorized and
         executed by the Company and authenticated, issued and delivered in the
         manner provided for in the Indenture and delivered against payment of
         the purchase price therefor as provided in the Purchase Agreement, and
         constitute valid and binding obligations of the Company, enforceable
         against the Company in accordance with their terms, except as the
         enforcement thereof may be limited by bankruptcy, insolvency
         (including, without limitation, all laws relating to fraudulent
         transfers), reorganization, moratorium or similar laws affecting
         enforcement of creditors' rights generally and except as enforcement
         thereof is subject to general principles of equity (regardless of
         whether enforcement is considered in a proceeding in equity or at law),
         and are in the form contemplated by, and entitled to the benefits of,
         the Indenture.

                         (x)       None of the Company, MCN nor any of their
         respective subsidiaries is in violation of its charter or by-laws or in
         default in the performance or observance of any obligation, agreement,
         covenant or condition contained in any contract, indenture, mortgage,
         deed of trust, loan or credit agreement, note, lease or other agreement
         or instrument to which the Company or MCN or any of their respective
         subsidiaries is a party or by which it or any of them may be bound, or
         to which any of the property or assets of the Company or MCN or any
         subsidiary is subject (collectively, "Agreement and Instruments")
         except for such defaults that would not result in a Material Adverse
         Effect; and the execution, delivery and performance of this Agreement,
         the Indenture, the Support Agreement and the MOPPRS and the
         consummation of the transactions contemplated herein and in the
         registration statement relating to the initial issuance of the MOPPRS
         (including the issuance and sale of the

                                       -4-
<PAGE>   5

         MOPPRS and the use of the proceeds from the sale of the MOPPRS as
         described in the prospectus relating to the initial issuance of the
         MOPPRS under the caption "Use of Proceeds") and compliance by the
         Company and MCN with its obligations hereunder and under the Indenture
         and the MOPPRS have been duly authorized by all necessary corporate
         action and do not and will not, whether with or without the giving of
         notice or passage of time or both, conflict with or constitute a breach
         of, or default or Repayment Event (as defined below) under, or result
         in the creation or imposition of any lien, charge or encumbrance upon
         any property or assets of the Company or MCN or any subsidiary pursuant
         to, the Agreements and Instruments (except for such conflicts, breaches
         or defaults or liens, charges or encumbrances that would not result in
         a Material Adverse Effect), nor will such action result in any
         violation of the provisions of the charter or by-laws of the Company or
         MCN or any subsidiary or any applicable law, statute, rule, regulation,
         judgment, order, writ or decree of any government, government
         instrumentality or court, domestic or foreign, having jurisdiction over
         the Company or MCN or any subsidiary or any of their assets, properties
         or operations. As used herein, a "Repayment Event" means any event or
         condition which gives the holder of any note, debenture or other
         evidence of indebtedness (or any person acting on such holder's behalf)
         the right to require the repurchase, redemption or repayment of all or
         a portion of such indebtedness by the Company or any subsidiary.

                         (xi)      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 or MCN, threatened, against or affecting the Company or MCN or
         any subsidiary, which is required to be disclosed in the 1934 Act
         Documents (other than as disclosed therein), or which might reasonably
         be expected to result in a Material Adverse Effect, or which might
         reasonably be expected to materially and adversely affect the
         properties or assets thereof or the consummation of the transactions
         contemplated in this Agreement or the performance by the Company or MCN
         of its obligations hereunder; the aggregate of all pending legal or
         governmental proceedings to which the Company or MCN or any subsidiary
         is a party or of which any of their respective property or assets is
         the subject which are not described in the 1934 Act Documents,
         including ordinary routine litigation incidental to the business, could
         not reasonably be expected to result in a Material Adverse Effect.

                         (xii)     No filing with, or authorization, approval,
         consent, license, order, registration, qualification or decree of, any
         court or governmental authority or agency is necessary or required for
         the performance by the Company or MCN of its obligations hereunder, in
         connection with the remarketing of the MOPPRS hereunder or the
         consummation of the transactions contemplated by this Agreement or for
         the due execution, delivery or performance of the Indenture by the
         Company, except such as have or shall have been already obtained.



                                       -5-
<PAGE>   6

                         (xiii)    No labor dispute with the employees of the
         Company or MCN or any of their respective subsidiaries exists or, to
         the knowledge of the Company or MCN, is imminent, and neither the
         Company nor MCN is aware of any existing or imminent labor disturbance
         by the employees of any of its or any of its subsidiary's principal
         suppliers, manufacturers, customers or contractors which, in either
         case, may reasonably be expected to result in a Material Adverse
         Effect.

                         (xiv)     Each of the Company, MCN and their respective
         subsidiaries has good and marketable title to all real property owned
         by each of them and good title to all other properties owned by them,
         in each case, free and clear of all mortgages, pledges, liens, security
         interests, claims, restrictions or encumbrances of any kind except such
         as (A) are described in the 1934 Act Documents or (B) do not, singly or
         in the aggregate, 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 MCN or any of their respective
         subsidiaries; and all of the leases and subleases material to the
         business of the Company, MCN and their respective subsidiaries, as the
         case may be, considered as one enterprise, and under which the Company
         or MCN or any of their respective subsidiaries holds properties are in
         full force and effect, and none of the Company, MCN or any of their
         respective subsidiaries has any notice of any material claim of any
         sort that has been asserted by anyone adverse to the rights of the
         Company or MCN or any of their respective subsidiaries under any of the
         leases or subleases mentioned above, or affecting or questioning the
         rights of the Company or MCN or such subsidiary to the continued
         possession of the leased or subleased premises under any such lease or
         sublease; the pipeline, distribution main and underground gas storage
         easements enjoyed by the Company or MCN or their respective
         subsidiaries are valid, subsisting and enforceable easements with such
         exceptions as are not material and do not materially interfere with the
         conduct of the business of the Company, MCN and their respective
         subsidiaries.

                         (xv)      The Company, MCN and their respective
         subsidiaries possess all licenses, franchises, permits, certificates,
         approvals, consents, orders and other authorizations (collectively, the
         "Governmental Licenses") issued by the appropriate federal, state,
         local or foreign regulatory agencies or bodies necessary for the
         ownership or lease of the material properties owned or leased by each
         of them and to conduct the business now operated by each of them; the
         Company, MCN and their respective subsidiaries are in compliance with
         the terms and conditions of all such Governmental Licenses, except
         where the failure to so comply would not, singly or in the aggregate,
         have a Material Adverse Effect; all of the Governmental Licenses are
         valid and in full force and effect, except when the invalidity of such
         Governmental Licenses or the failure of such Governmental Licenses to
         be in full force and effect would not have a Material Adverse Effect;
         and none of the Company, MCN or any of their respective subsidiaries
         has received any notice of proceedings relating to the revocation or
         modification of any such Governmental Licenses which, singly or in the

                                       -6-
<PAGE>   7



         aggregate, if the subject of an unfavorable decision, ruling or
         finding, would result in a Material Adverse Effect.

                         (xvi)     Except as described in the Registration
         Statement and except as would not, singly or in the aggregate, result
         in a Material Adverse Effect, (A) none of the Company, MCN or any of
         their respective subsidiaries is in violation of any federal, state,
         local or foreign statute, law, rule, regulation, ordinance or code,
         including any judicial or administrative order, consent, decree or
         judgment, relating to pollution or protection of human health, the
         environment (including, without limitation, ambient air, surface water,
         groundwater, land surface or subsurface strata) or wildlife, including,
         without limitation, laws and regulations relating to the release or
         threatened release of chemicals, pollutants, contaminants, wastes,
         toxic substances, hazardous substances, petroleum or petroleum products
         (collectively, "Hazardous Materials") or to the manufacture,
         processing, distribution, use, treatment, storage, disposal, transport
         or handling of Hazardous Materials (collectively, the "Environmental
         Laws"), (B) the Company, MCN and their respective subsidiaries have all
         permits, authorizations and approvals required under any applicable
         Environmental Laws and are in compliance with their requirements, and
         (C) there are no pending or threatened administrative, regulatory or
         judicial actions, suits, demands, demand letters, claims, liens,
         notices of noncompliance or violation, investigation or proceedings
         relating to any Environmental Law against the Company, MCN or any of
         their respective subsidiaries.


                         (xvii)    MCN is presently exempt from the provisions
         of the Public Utility Holding Company Act of 1935 (except Section 9
         thereof) which would otherwise require it to register thereunder.

                         (xviii)   The Company and MCN have complied with, and
         are 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.

                         (xix)     Neither the Company nor MCN is an "investment
         company" or an entity "controlled" by an "investment company" as such
         terms are defined in the Investment Company Act of 1940, as amended.

                         (xx)      The MOPPRS are rated Baa2 by Moody's
         Investors Service, Inc. and BBB+ by Standard & Poor's Rating Services,
         a division of the McGraw-Hill Companies, Inc. or such other rating as
         to which the Company shall have most recently notified the Remarketing
         Dealer pursuant to Section 3(a) hereof.

         References in the foregoing representations and warranties to the 1934
Act Documents shall be deemed to refer to the Registration Statement (as defined
in Section 3(b) below) and Prospectus 


                                       -7-
<PAGE>   8

(as defined in Section 3(b) below), in each case including the documents
incorporated by reference therein, if such are required pursuant to Section 3(e)
hereof.

         (c)   Additional Certifications. Any certificate signed by any director
or officer of the Company or MCN and delivered to the Remarketing Dealer or to
counsel for the Remarketing Dealer in connection with the remarketing of the
MOPPRS shall be deemed a representation and warranty by the Company or MCN, as
the case may be, to the Remarketing Dealer as to the matters covered thereby.

         Section 3.        Covenants of the Company.  Each of the Company and 
MCN covenants with the Remarketing Dealer as follows:

         (a)     The Company will provide prompt notice by telephone, confirmed
in writing (which may include facsimile or other electronic transmission), to
the Remarketing Dealer of (i) any notification or announcement by a "nationally
recognized statistical rating organization" (as defined by the Commission for
purposes of Rule 436(g)(2) under the 1933 Act) with regard to the ratings of any
securities of the Company or MCN, including, without limitation, notification or
announcement of a downgrade in or withdrawal of the rating of any security of
the Company or MCN or notification or announcement of the placement of any
rating of any securities of the Company or MCN under surveillance or review,
including placement on CreditWatch or on Watch List with negative implications,
or (ii) the occurrence at any time of any event set forth in Section 8(b) of
this Agreement.

         (b)     The Company will furnish to the Remarketing Dealer:

                 (i)     if required as provided in paragraph (e) below for
         purposes of the remarketing, a then currently effective registration
         statement under the 1933 Act and a then current prospectus relating to
         the MOPPRS to be used by the Remarketing Dealer for remarketing and
         resale of the MOPPRS (such registration statement (whether consisting
         of the registration statement relating to the initial issuance of the
         MOPPRS, or any amendment thereto or a new registration statement) and
         any amendments thereto, including any such prospectus (whether
         consisting of the prospectus relating to the initial issuance of the
         MOPPRS or any amendment or supplement thereto or a new prospectus)
         relating to the MOPPRS constituting a part thereof, and all documents
         incorporated therein by reference, as from time to time amended or
         supplemented pursuant to the 1934 Act, the 1933 Act, or otherwise, are
         referred to herein as the "Registration Statement" and the
         "Prospectus," respectively, except that if any revised prospectus shall
         be provided to the Remarketing Dealer by the Company for use in
         connection with the remarketing of the MOPPRS which differs from the
         Prospectus on file at the Commission at the time the Registration
         Statement becomes effective, the term "Prospectus" shall refer to such
         revised prospectus from and after the time it is first provided to the
         Remarketing Dealer for such use); and


                                      -8-
<PAGE>   9

                 (ii)    in connection with the remarketing of MOPPRS, such
         other information as the Remarketing Dealer may reasonably request from
         time to time.

         The Company agrees, at its expense, to provide the Remarketing Dealer
with as many copies of the foregoing written materials and other Company
approved information as the Remarketing Dealer may reasonably request for use in
connection with the remarketing of MOPPRS and consents to the use thereof for
such purpose.

         (c)     If, at any time during which the Remarketing Dealer would be
obligated to take any action under this Agreement, any event or condition known
to the Company or MCN relating to or affecting the Company or MCN, any
subsidiary thereof or the MOPPRS shall occur which could reasonably be expected
to cause any of the reports, documents, materials or information referred to in
paragraph (b) above or any document incorporated therein by reference
(collectively, the "Remarketing Materials") to contain an untrue statement of a
material fact or omit to state a material fact, the Company or MCN shall
promptly notify the Remarketing Dealer in writing of the circumstances and
details of such event or condition.

         (d)     So long as the MOPPRS are outstanding, MCN 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.

         (e)     The Company and MCN will comply with the 1933 Act and the 1933
Act Regulations, the 1934 Act and the 1934 Act Regulations and the 1939 Act and
the rules and regulations of the Commission thereunder so as to permit the
completion of the remarketing of the MOPPRS as freely transferable securities,
as contemplated in this Agreement and in the prospectus relating to the initial
issuance of the MOPPRS. In furtherance of the foregoing, if it shall be
necessary, in the opinion of counsel for the Remarketing Dealer or for the
Company to have a Registration Statement and a Prospectus in order to comply
with the requirements of the 1933 Act or the 1933 Act Regulations and the
Commission's interpretations of the 1933 Act and the 1933 Act Regulations, or if
at any time when a Prospectus is required by the 1933 Act to be delivered in
connection with remarketing and resales of the MOPPRS, any event shall occur or
condition shall exist as a result of which it is necessary, in the opinion of
counsel for the Remarketing Dealer or for the Company, to amend the Registration
Statement or amend or supplement the Prospectus in order that the Prospectus
will not include any untrue statements 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, the Company and MCN, at its expense, will promptly (i) prepare and
file with the Commission such Registration Statement and Prospectus, or such
amendment or supplement as may be necessary to correct such statement or 
omission as referred to above or to make the Registration Statement or the 
Prospectus comply with such requirements as referred to above, (ii) furnish to 
the Remarketing Dealer such number of copies of such Registration Statement and 
Prospectus or such amendment, supplement or other document as the Remarketing 
Dealer may reasonably request and (iii) furnish to the Remarketing Dealer an

                                       -9-
<PAGE>   10

officers' certificate, an opinion (including a statement as to the absence of
material misstatements in or omissions from the Registration Statement and
Prospectus, as amended or supplemented) of counsel for the Company satisfactory
to the Remarketing Dealer and a "comfort letter" from MCN's independent
accountants, in each case in form and substance satisfactory to the Remarketing
Dealer, of the same tenor as the officers' certificate, opinion and comfort
letter, respectively, delivered pursuant to the Purchase Agreement, but modified
to relate to the Registration Statement and Prospectus as amended or
supplemented to the date thereof.

         (f)     Each of the Company and MCN agrees that neither it nor any of
its subsidiaries or affiliates shall defease, purchase or otherwise acquire, or
enter into any agreement to defease, purchase or otherwise acquire, any of the
MOPPRS prior to the remarketing thereof by the Remarketing Dealer, other than
pursuant to Section 4(g) or 4(h) of this Agreement.

         (g)     Notwithstanding any provision to the contrary set forth in the
Indenture, the Company shall (i) use its best efforts to maintain the MOPPRS in
book-entry form with The Depository Trust Company ("DTC") or any successor
thereto and to appoint a successor depositary to the extent necessary to
maintain the MOPPRS in book-entry form, and (ii) waive any discretionary right
it otherwise has under the Indenture to cause the MOPPRS to be issued in
certificated form.

         (h)     To the extent that a Registration Statement and a Prospectus
are required as contemplated in paragraph (e) above, the Company and MCN will
comply with covenants of the same tenor as those set forth in the Purchase
Agreement, but modified to relate to the Registration Statement and Prospectus.

         Section 4. Appointment and Obligations of the Remarketing Dealer. (a)
Unless this Agreement is otherwise terminated in accordance with Section 11
hereof, in accordance with the terms, but subject to the conditions, of this
Agreement, the Company hereby appoints Merrill Lynch, and Merrill Lynch hereby
accepts such appointment, as the exclusive Remarketing Dealer with respect to
$100,000,000 aggregate principal amount of MOPPRS, subject further to repurchase
of the MOPPRS in accordance with clause (g) of this section or redemption of the
MOPPRS in accordance with clause (h) of this section.

         (b)     It is expressly understood and agreed by the parties hereto
that the obligations of the Remarketing Dealer hereunder with respect to the
MOPPRS to be remarketed on the Remarketing Date are conditioned on (i) the
issuance and delivery of such MOPPRS pursuant to the terms and conditions of the
Purchase Agreement and (ii) the Remarketing Dealer's election on the
Notification Date to purchase the MOPPRS for remarketing on the Remarketing
Date. It is further expressly understood and agreed by and between the parties
hereto that, if the Remarketing Dealer has elected to remarket the MOPPRS
pursuant to clause (c) below, the Remarketing Dealer shall not be obligated to
set the Interest Rate to Maturity on any MOPPRS, to remarket any MOPPRS or to
perform any of the other duties set forth herein at any time after the
Notification Date that (i) any of the conditions set forth in clause (a) of
Section 8 hereof shall not have been fully and completely met



                                      -10-
<PAGE>   11

to the reasonable satisfaction of the Remarketing Dealer, or (ii) any of the
events set forth in clause (b) of Section 8 hereof shall have occurred.

         (c)     On a Business Day not later than five Business Days prior to
the Remarketing Date, the Remarketing Dealer shall notify the Company and the
Trustee as to whether it elects to purchase the MOPPRS on the Remarketing Date
(the "Notification Date"). If, and only if, the Remarketing Dealer so elects,
the MOPPRS shall be subject to mandatory tender to the Remarketing Dealer for
remarketing on the Remarketing Date, subject to the conditions described herein.

         (d)     Subject to the Remarketing Dealer's election to remarket the
MOPPRS as provided in clause (c) above, the Interest Rate to Maturity shall be
determined by the Remarketing Dealer by 3:30 p.m., New York City time, on the
third Business Day immediately preceding the Remarketing Date (the
"Determination Date") to the nearest one hundred-thousandth (0.00001) of one
percent per annum, and will be equal to the sum of 5.668% (the "Base Rate") plus
the Applicable Spread (as defined below), which will be based on the Dollar
Price (as defined below) of the MOPPRS.

         The "Applicable Spread" will be the lowest bid indication, expressed as
a spread (in the form of a percentage or in basis points) above the Base Rate,
obtained by the Remarketing Dealer on the Determination Date from the bids
quoted by five Reference Corporate Dealers (as defined below) for the full
aggregate principal amount of the MOPPRS at the Dollar Price, but assuming (i)
an issue date equal to the Remarketing Date, with settlement on such date
without accrued interest, (ii) a maturity date equal to the Stated Maturity Date
of the MOPPRS, and (iii) a stated annual interest rate, payable semiannually on
each Interest Payment Date for the MOPPRS, equal to the Base Rate plus the
spread bid by the applicable Reference Corporate Dealer. If fewer than five
Reference Corporate Dealers bid as described above, then the Applicable Spread
shall be the lowest of such bid indications obtained as described above. The
Interest Rate to Maturity announced by the Remarketing Dealer, absent manifest
error, shall be binding and conclusive upon the Beneficial Owners and Holders of
the MOPPRS, the Company and the Trustee.

         "Dollar Price" means, with respect to the MOPPRS, the present value
determined by the Remarketing Dealer, as of the Remarketing Date, of the
Remaining Scheduled Payments (as defined below) discounted to the Remarketing
Date, on a semiannual basis (assuming a 360-day year consisting of twelve 30-day
months), at the Treasury Rate (as defined below).

         "Reference Corporate Dealers" means leading dealers of publicly traded
debt securities of the Company in The City of New York (which may include the
Remarketing Dealer or one of its affiliates) selected by the Remarketing Dealer
after consultation with the Company.

         "Treasury Rate" means, with respect to the Remarketing Date, the rate
per annum equal to the semiannual equivalent yield to maturity or interpolated
(on a day count basis) yield to maturity of the Comparable Treasury Issues (as
defined below), assuming a price for the Comparable Treasury 


                                      -11-
<PAGE>   12

Issues (expressed as a percentage of its principal amount), equal to the
Comparable Treasury Price (as defined below) for the Remarketing Date.

         "Comparable Treasury Issues" means the United States Treasury security
or securities selected by the Remarketing Dealer as having an actual or
interpolated maturity or maturities comparable to the remaining term of the
MOPPRS being remarketed.

         "Comparable Treasury Price" means, with respect to the Remarketing
Date, (a) the offer prices for the Comparable Treasury Issues (expressed in each
case as a percentage of its principal amount) on the Determination Date, as set
forth on "Telerate Page 500" (or such other page as may replace Telerate Page
500), or (b) if such page (or any successor page) is not displayed or does not
contain such offer prices on the Determination Date, (i) the average of the
Reference Treasury Dealer Quotations for the Remarketing Date, after excluding
the highest and lowest such Reference Treasury Dealer Quotations, or (ii) if the
Remarketing Dealer obtains fewer than four such Reference Treasury Dealer
Quotations, the average of all such Reference Treasury Dealer Quotations.
"Telerate Page 500" means the display designated as "Telerate Page 500" on Dow
Jones Markets Limited (or such other page as may replace Telerate Page 500 on
such service) or such other service displaying the offer prices specified in (a)
above as may replace Dow Jones Markets Limited.

         "Reference Treasury Dealer Quotations" means, with respect to each
Reference Treasury Dealer and the Remarketing Date, the offer prices for the
Comparable Treasury Issues (expressed in each case as a percentage of its
principal amount) quoted to the Remarketing Dealer by such Reference Treasury
Dealer by 3:30 p.m., New York City time, on the Determination Date.

         "Reference Treasury Dealer" means each of Credit Suisse First Boston
Corporation, Lehman Brothers Inc., Merrill Lynch, Morgan Stanley & Co.
Incorporated and Salomon Brothers Inc (or their respective affiliates which are
primary U.S. Government securities dealers) and their respective successors;
provided, however, that if any of the foregoing or their affiliates shall cease
to be a primary U.S. Government securities dealer in The City of New York (a
"Primary Treasury Dealer"), the Remarketing Dealer shall substitute therefor
another Primary Treasury Dealer.

         "Remaining Scheduled Payments" means, with respect to the MOPPRS, the
remaining scheduled payments of the principal thereof and interest thereon,
calculated at the Base Rate only, that would be due after the Remarketing Date
to and including the Stated Maturity Date, as determined by the Remarketing
Dealer; provided, however, that if the Remarketing Date is not an Interest
Payment Date with respect to the MOPPRS, the amount of the next succeeding
scheduled interest payment thereon, calculated at the Base Rate only, will be
reduced by the amount of interest accrued thereon, calculated at the Base Rate
only, to the Remarketing Date.

         (e)     Subject to the Remarketing Dealer's election to remarket the
MOPPRS as provided in clause (c) above, the Remarketing Dealer shall notify the
Company, the Trustee and DTC by telephone, confirmed in writing (which may
include facsimile or other electronic transmission), by


                                      -12-




<PAGE>   13

4:00 p.m., New York City time, on the Determination Date of the Interest Rate to
Maturity applicable to the MOPPRS effective from and including the Remarketing
Date.

         (f)     In the event that the MOPPRS are remarketed as provided herein,
the Remarketing Dealer shall make, or cause the Trustee to make, payment to the
DTC Participant of each tendering Beneficial Owner of MOPPRS subject to
remarketing, by book-entry through DTC by the close of business on the
Remarketing Date against delivery through DTC of such Beneficial Owner's
tendered MOPPRS, of 100% of the principal amount of the tendered MOPPRS that
have been purchased for remarketing by the Remarketing Dealer. The Company shall
make, or cause the Trustee to make, payment of interest to each Beneficial Owner
of MOPPRS due on the Remarketing Date by book-entry through DTC by the close of
business on the Remarketing Date.

         (g)     Subject to Section 11(c) of this Agreement, in the event that
(i) the Remarketing Dealer for any reason does not notify the Company of the
Interest Rate to Maturity by 4:00 p.m., New York City time, on the Determination
Date, or (ii) prior to the Remarketing Date, the Remarketing Dealer has resigned
and no successor has been appointed on or before the Determination Date, or
(iii) the Remarketing Dealer has terminated this Agreement pursuant to Section 8
or Section 11 hereof at any time after the Remarketing Dealer elects on the
Notification Date to remarket the MOPPRS, or (iv) the Remarketing Dealer for any
reason does not elect, by notice to the Company, and the Trustee not later than
the Notification Date, to purchase the MOPPRS for remarketing on the Remarketing
Date, or (v) the Remarketing Dealer for any reason does not purchase all
tendered MOPPRS on the Remarketing Date, the Company shall repurchase the MOPPRS
as a whole on the Remarketing Date at a price equal to 100% of the principal
amount of the MOPPRS plus all accrued and unpaid interest, if any, on the MOPPRS
to the Remarketing Date. In any such case, payment will be made by the Company
through the Trustee to the DTC Participant of each tendering Beneficial Owner of
MOPPRS, by book-entry through DTC by the close of business on the Remarketing
Date against delivery through DTC of such Beneficial Owner's tendered MOPPRS.

         (h)     If the Remarketing Dealer elects to remarket the MOPPRS as
provided in clause (c) above, then not later than the close of business on the
Business Day immediately preceding the Determination Date, the Company shall
notify the Remarketing Dealer and the Trustee if the Company irrevocably elects
to exercise its right to redeem the MOPPRS, in whole but not in part, from the
Remarketing Dealer on the Remarketing Date at the Optional Redemption Price. The
"Optional Redemption Price" shall be the greater of (i) 100% of the principal
amount of the MOPPRS and (ii) the sum of the present values of the Remaining
Scheduled Payments thereon, as determined by the Remarketing Dealer, discounted
to the Remarketing Date on a semiannual basis (assuming a 360-day year
consisting of twelve 30-day months) at the Treasury Rate, plus in either case
accrued and unpaid interest from the Remarketing Date on the principal amount
being redeemed to the date of redemption. If the Company elects to redeem the
MOPPRS, it shall pay the redemption price therefor in same-day funds by wire
transfer to an account designated by the Remarketing Dealer on the Remarketing
Date.


                                      -13-
<PAGE>   14


         (i)     The Remarketing Dealer may, with the consent of the Company
which shall not be unreasonably withheld, and in accordance with the terms of
the Indenture, modify the tender and settlement procedures set forth in the
Indenture in order to facilitate the tender and settlement process.

         (j)     The tender and settlement procedures described above, including
provisions for payment by purchasers of MOPPRS in the remarketing or for payment
to selling Beneficial Owners of tendered MOPPRS, may be modified, with the
consent of the Company which shall not be unreasonably withheld, to the extent
required by DTC or, if agreed to by the Remarketing Dealer in accordance with
Section 8(b)(viii) of this Agreement, to the extent required to facilitate the
tender and remarketing of MOPPRS in certificated form, if the book-entry system
is no longer available for the MOPPRS at the time of the remarketing.

         Section 5.      Fees and Expenses. Subject to Section 11 of this
Agreement, for its services in performing its duties set forth herein, the
Remarketing Dealer will not receive any fees or reimbursement of expenses from
the Company.

         Section 6.      Resignation of the Remarketing Dealer. The Remarketing
Dealer may resign and be discharged from its duties and obligations hereunder at
any time, such resignation to be effective 10 days after delivery of a written
notice to the Company and the Trustee of such resignation. The Remarketing
Dealer also may resign and be discharged from its duties and obligations
hereunder at any time, such resignation to be effective immediately, upon
termination of this Agreement in accordance with Section 11(b) hereof. It shall
be the sole responsibility of the Company to appoint a successor Remarketing
Dealer.

         Section 7.      Dealing in the MOPPRS; Purchase of MOPPRS by the
Company. (a) Merrill Lynch, when acting as the Remarketing Dealer or in its
individual or any other capacity, may, to the extent permitted by law, buy,
sell, hold and deal in any of the MOPPRS. Merrill Lynch, as Holder or Beneficial
Owner of the MOPPRS, may exercise any vote or join as a Holder or Beneficial
Owner, as the case may be, in any action which any Holder or Beneficial Owner of
MOPPRS may be entitled to exercise or take pursuant to the Indenture with like
effect as if it did not act in any capacity hereunder. The Remarketing Dealer,
in its capacity either as principal or agent, may also engage in or have an
interest in any financial or other transaction with the Company as freely as if
it did not act in any capacity hereunder.

         (b)     The Company may purchase MOPPRS in the remarketing, provided
that the Interest Rate to Maturity established with respect to MOPPRS in the
remarketing is not different from the Interest Rate to Maturity that would have
been established if the Company had not purchased such MOPPRS.

         Section 8. Conditions to Remarketing Dealer's Obligations. The
obligations of the Remarketing Dealer under this Agreement have been undertaken
in reliance on, and shall be subject 



                                      -14-
<PAGE>   15

to, (a) the due performance by the Company and MCN of its obligations and
agreements as set forth in this Agreement and the accuracy of the
representations and warranties in this Agreement and any certificate delivered
pursuant hereto, and (b) the further condition that none of the following events
shall have occurred at any time:

                         (i)       the rating of any securities of the Company 
         or MCN shall have been down-graded or put under surveillance or review,
         including being put on CreditWatch or Watch List with negative
         implications, or withdrawn by a nationally recognized statistical
         rating organization;

                         (ii)      without the prior written consent of the
         Remarketing Dealer, the Indenture (including the MOPPRS) shall have
         been amended in any manner, or otherwise contain any provision not
         contained therein as of the date hereof, that in either case in the
         judgment of the Remarketing Dealer materially and adversely changes the
         nature of the MOPPRS or the remarketing procedures (it being understood
         that, notwithstanding the provisions of this clause (ii), the Company
         shall not be prohibited from amending the Indenture);

                         (iii)     trading in any securities of the Company or
         MCN shall have been suspended or materially limited by the Commission
         or the New York Stock Exchange, or if trading generally on the American
         Stock Exchange or the New York Stock Exchange or in the Nasdaq National
         Market shall have been suspended or materially limited, or minimum or
         maximum prices for trading shall have been fixed, or maximum ranges for
         prices shall have been required, by any of said exchanges or by such
         system or by order of the Commission, the National Association of
         Securities Dealers, Inc. or any other governmental authority, or if a
         banking moratorium shall have been declared by either Federal or New
         York authorities;

                         (iv)      there shall have occurred any material
         adverse change in the financial markets in the United States or the
         international financial markets, any outbreak of hostilities or
         escalation thereof or other calamity or crisis or any change or
         development involving a prospective change in national or international
         political, financial or economic conditions, in each case the effect of
         which is such as to make it, in the judgment of the Remarketing Dealer,
         impracticable to remarket the MOPPRS or to enforce contracts for the
         sale of the MOPPRS;

                           (v)    Event of Default (as defined in the
         Indenture), or any event which, with the giving of notice or passage of
         time, or both, would constitute an Event of Default, with respect to
         the MOPPRS shall have occurred and be continuing;
                                                                            
                           (vi)    a material adverse change in the condition,
         financial or otherwise, or in the earnings, business affairs or
         business prospects of the Company or MCN and their 





                                      -15-
<PAGE>   16



         respective subsidiaries considered as one enterprise, whether or not
         arising in the ordinary course of business, shall have occurred;

                         (vii)     if a Prospectus is required under the 1933 
         Act to be delivered in cion with the remarketing of the MOPPRS, the
         shall fail to furnish to the Remarketing Dealer on the Remarketing Date
         the officers' certificate, opinion and comfort letter referred to in
         Section 3(e) of this Agreement and such other documents and opinions as
         counsel for the Remarketing Dealer may reasonably require for the
         purpose of enabling such counsel to pass upon the sale of MOPPRS in the
         remarketing as herein contemplated and related proceedings, or in order
         to evidence the accuracy and completeness of any of the representations
         and warranties, or the fulfillment of any of the conditions, herein
         contained; or

                           (viii) the MOPPRS are not maintained in book-entry
         form with DTC or any successor thereto; provided, that the Remarketing
         Dealer, in its sole discretion and subject to receipt of an opinion of
         counsel for the Company reasonably satisfactory to the Remarketing
         Dealer, may waive the foregoing condition if in the Remarketing
         Dealer's judgment the Indenture and the MOPPRS can be amended, and they
         are amended, so as to permit the remarketing of the MOPPRS in
         certificated form and otherwise as contemplated herein;

and the Remarketing Dealer shall have received on the Remarketing Date a
certificate of the President or a Vice President and of the Chief Financial
Officer or Chief Accounting Officer of each of the Company and MCN, dated as of
the Remarketing Date, to the effect that (i) the representations and warranties
in this Agreement are true and correct with the same force and effect as though
expressly made at and as of the Remarketing Date, (ii) the Company and MCN have
complied with all agreements and satisfied all conditions on its part to be
performed or satisfied at or prior to the Remarketing Date and (iii) none of the
events specified in the preceding clause (b) has occurred.

         (c)     In furtherance of the foregoing, the effectiveness of the
Remarketing Dealer's election on the Notification Date to remarket the MOPPRS
shall be subject to the condition that the Remarketing Dealer shall have
received a certificate of the President or a Vice President and of the Chief
Financial Officer or Chief Accounting Officer of each of the Company and MCN,
dated as of the Notification Date, to the effect that (i) the Company has, prior
to the Remarketing Dealer's election on the Notification Date to remarket the
MOPPRS, provided the Remarketing Dealer with notice of all events as required
under Section 3(a) of this Agreement, (ii) the representations and warranties in
this Agreement are true and correct at and as of the Notification Date and (iii)
the Company and MCN have complied with all agreements and satisfied all
conditions on its part to be performed or satisfied at or prior to the
Notification Date. Such certificates shall be delivered by the Company to the
Remarketing Dealer as soon as practicable following notification by the
Remarketing Dealer to the Company and MCN on the Notification Date of its
election to remarket the MOPPRS and in any event prior to the Determination
Date.


                                      -16-
<PAGE>   17




         In the event of the failure of any of the foregoing conditions, the
Remarketing Dealer may terminate its obligations under this Agreement or
redetermine the Interest Rate to Maturity as provided in Section 11.

         Section 9.      Indemnification.  (a)  The Company and MCN jointly
agree to indemnify and hold harmless the Remarketing Dealer and its officers,
directors and employees and each person, if any, who controls the Remarketing
Dealer within the meaning of Section 20 of the 1934 Act as follows:

                (i)      against any loss, liability, claim, damage and expense
         whatsoever, as incurred, arising out of, (A) the failure to have an
         effective Registration Statement under the 1933 Act relating to the
         MOPPRS, if required, or the failure to satisfy the prospectus delivery
         requirements of the 1933 Act because the Company failed to provide the
         Remarketing Dealer with a Prospectus for delivery, or (B) any untrue
         statement or alleged untrue statement of a material fact contained in
         any of the Remarketing Materials (including any incorporated
         documents), or (C) the omission or alleged omission therefrom of a
         material fact necessary to make the statements therein, in the light of
         the circumstances in which they were made, not misleading, or (D) any
         violation by the Company or MCN of, or any failure by the Company or
         MCN to perform any of its obligations under, this Agreement, or (E) the
         acts or omissions of the Remarketing Dealer in connection with its
         duties and obligations to determine the Interest Rate to Maturity
         hereunder except that are finally judicially determined to be due to
         its gross negligence or willful misconduct;

                 (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 investigation or proceeding by
         any governmental agency or body, commenced or threatened, or of any
         claim whatsoever arising out of, or based upon, any of items (A)
         through (E) in clause (i) above; provided that (subject to clause (d)
         below) such settlement is effected with the written consent of the
         Company, which consent shall not be unreasonably withheld; and

                  (iii) against any and all expense whatsoever, as incurred
         (including the fees and disbursements of counsel chosen by the
         Remarketing Dealer), 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 arising out of, or based upon, any of items (A) through (E)
         in clause (i) above to the extent that any such expense is not paid
         under (i) or (ii) above;

provided, however, that the foregoing indemnity shall not apply to any losses,
liabilities, claims, damages and expenses to the extent arising out of any
untrue statement or omission made in reliance upon and in conformity with
written information furnished to the Company or MCN by the Remarketing Dealer
expressly for use in the Remarketing Materials; provided, further, that, if
applicable, the foregoing indemnity provided in Section 9(a) (i)(B) and (C)
hereof with respect to 


                                      -17-
<PAGE>   18

any preliminary prospectus shall not inure to the benefit of the Remarketing
Dealer (or any person controlling such Remarketing Dealer) from whom the person
asserting any such loss, liability, claim, damage or expense purchased any of
the MOPPRS 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 MOPPRS to such
person in any case where the Company complied with its obligations under Section
3(b) 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 Remarketing Dealer agrees to indemnify and hold harmless
the Company, MCN, its directors and each of its officers who signed the
Registration Statement, from and against any loss, liability, claim, damage and
expense, as incurred, but only with respect to untrue statements or omissions,
or alleged untrue statements or omissions made in the Remarketing Materials in
reliance upon and in conformity with information furnished to the Company or to
MCN in writing by the Remarketing Dealer expressly for use in such Remarketing
Materials. The indemnity agreement in this paragraph shall extend upon the same
terms and conditions to each person, if any, who controls the Company within
the meaning of Section 20 of the 1934 Act.

         (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 clause 9 (a) above, counsel to the
indemnified parties shall be selected by Merrill Lynch, and, in the case of
parties indemnified pursuant to clause (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 9 or Section 10 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, 

                                      -18-
<PAGE>   19

investigation, proceeding or claim and (ii) does not include a statement as to
or an admission or 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 clause 9 (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.

         (e)     The indemnity agreements contained in this Section 9 shall
remain operative and in full force and effect, regardless of any investigation
made by or on behalf of the Remarketing Dealer, and shall survive the
termination or cancellation of this Agreement and the remarketing of any MOPPRS
hereunder.

         Section 10.     Contribution. If the indemnification provided for in
Section 9 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 and MCN on the one hand and the Remarketing Dealer on the other hand
from the remarketing of the MOPPRS 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 and MCN on the
one hand and of the Remarketing Dealer on the other hand in connection with the
acts, failures to act, 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 and MCN on the one hand
and the Remarketing Dealer on the other hand in connection with the remarketing
of the MOPPRS pursuant to this Agreement shall be deemed to be in the same
respective proportions as (i) the aggregate principal amount of the MOPPRS, and
(ii) the aggregate positive difference, if any, between the price at which the
MOPPRS are sold by the Remarketing Dealer in the remarketing and the price paid
by the Remarketing Dealer for the MOPPRS tendered on the Remarketing Date.

         The relative fault of the Company and MCN on the one hand and the
Remarketing Dealer on the other hand shall be determined by reference to, among
other things, the responsibility hereunder of the applicable party for any act
or failure to act relating to the losses, liabilities, claims, damages or
expenses incurred or, in the case of any losses, liabilities, claims, damages or
expenses arising out of any untrue or alleged untrue statement of a material
fact contained in any of the 



                                      -19-
<PAGE>   20

Remarketing Materials or the omission or alleged omission to state a material
fact therefrom, 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 MCN or by the Remarketing Dealer and
the parties' relative intent, knowledge, access to information and opportunity
to correct or prevent such statement or omission.

         The Company and MCN and the Remarketing Dealer agree that it would not
be just and equitable if contribution pursuant to this Section 10 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 10. The aggregate amount of losses, liabilities, claims, damages and
expenses incurred by an indemnified party and referred to above in this Section
10 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 act
or failure to act or untrue or alleged untrue statement or omission or alleged
omission.

         Notwithstanding the provisions of this Section 10, the Remarketing
Dealer shall not be required to contribute any amount in excess of the amount by
which the total price at which the MOPPRS remarketed by it and resold to the
public were sold to the public exceeds the amount of any damages which the
Remarketing Dealer has otherwise been required to pay by reason of any act or
failure to act for which it is responsible hereunder or any 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 10, each person, if any, who controls the
Remarketing Dealer 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 Remarketing
Dealer, and each director of the Company and MCN, each officer of the Company
and MCN who signed the Registration Statement, and each person, if any, who
controls the Company or MCN 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 and MCN.

         Section 11. Termination of Remarketing Agreement or Redetermination of
Interest Rate to Maturity. (a) This Agreement shall terminate as to the
Remarketing Dealer on the effective date of the resignation of the Remarketing
Dealer pursuant to Section 6 hereof or the repurchase of the MOPPRS by the
Company pursuant to Section 4(g) hereof or the redemption of the MOPPRS by the
Company pursuant to Section 4(h) hereof.

         (b)     In addition, the Remarketing Dealer may terminate all of its
obligations under this Agreement immediately by notifying the Company and the
Trustee of its election to do so, at any



                                      -20-
<PAGE>   21

time on or before the Remarketing Date, in the event that: (i) any of the
conditions referred to or set forth in Section 8(a) hereof have not been met or
satisfied in full, (ii) any of the events set forth in Section 8(b) shall have
occurred at any time or (iii) the Remarketing Dealer determines, in its sole
discretion, after consultation with the Company, that it shall not have received
all of the information, whether or not specifically referenced herein, necessary
to fulfill its obligations under this Agreement.

         (c)     Notwithstanding any provision herein to the contrary, in lieu
of terminating this Agreement pursuant to Section 11(b) above, upon the
occurrence of any of the events set forth therein, the Remarketing Dealer, in
its sole discretion at any time between the Determination Date and 3:30 p.m.,
New York City time, on the Business Day immediately preceding the Remarketing
Date, may elect to purchase the MOPPRS for remarketing and determine a new
Interest Rate to Maturity in the manner provided in Section 4(d) of this
Agreement, except that for purposes of determining the new Interest Rate to
Maturity pursuant to this paragraph the Determination Date referred to therein
shall be the date of such election and redetermination. The Remarketing Dealer
shall notify the Company, the Trustee and DTC by telephone, confirmed in writing
(which may include facsimile or other electronic transmission), by 4:00 p.m.,
New York City time, on the date of such election, of the new Interest Rate to
Maturity applicable to the MOPPRS. Thereupon, such new Interest Rate to Maturity
shall supersede and replace any Interest Rate to Maturity previously determined
by the Remarketing Dealer and, absent manifest error, shall be binding and
conclusive upon the Beneficial Owners and Holders of the MOPPRS on or after the
Remarketing Date, the Company and the Trustee; provided, however, that the
Remarketing Dealer, by redetermining the Interest Rate to Maturity upon the
occurrence of any event set forth in Section 11(b) as set forth above, shall not
thereby be deemed to have waived its right to determine a new Interest Rate to
Maturity or terminate this Agreement upon the occurrence of any other event set
forth in Section 11(b).

         (d)     If this Agreement is terminated pursuant to this Section, such
termination shall be without liability of any party to any other party, except
that, in the case of termination pursuant to Section 11(b) of this Agreement,
the Company and MCN shall reimburse the Remarketing Dealer for all of its
out-of-pocket expenses, including the reasonable fees and disbursements of
counsel for the Remarketing Dealer, and except further as set forth in Section
11(e) below. Sections 1, 9, 10, 11(d) and 11(e) shall survive such termination
and remain in full force and effect.

         (e)     In the case of either (i) termination of this Agreement after
the Remarketing Dealer's election on the Notification Date to remarket the
MOPPRS, pursuant to Section 11(b) or (ii) termination of this Agreement due to
the occurrence, prior to the Remarketing Dealer's election on the Notification
Date to remarket the MOPPRS, of any event set forth in Section 8(b)(ii), (v) or
(viii), upon the request of the Remarketing Dealer, the Company shall
immediately following the Call Price Determination Date (as defined below) pay
the Remarketing Dealer, in same-day funds by wire transfer to an account
designated by the Remarketing Dealer, the fair market value,


                                      -21-
<PAGE>   22

calculated as set forth below, of the Remarketing Dealer's right to purchase and
remarket the MOPPRS pursuant to this Agreement (the "Call Price").

         In the case of termination of this Agreement pursuant to Section 11(b)
after the Remarketing Dealer elects on the Notification Date to remarket the
MOPPRS, the Call Price shall be equal to the excess of (i) the Dollar Price of
the MOPPRS determined as provided in Section 4 over (ii) the aggregate principal
amount of the MOPPRS.

         In the case of termination of this Agreement due to the occurrence,
prior to the Remarketing Dealer's election on the Notification Date to remarket
the MOPPRS, of any event set forth in Section 8(b)(ii), (v) or (viii), the Call
Price shall be determined in good faith by the Remarketing Dealer on a
commercially reasonable basis by reference to, among other factors, the
formulation set forth in the preceding paragraph.

         The Remarketing Dealer shall determine the applicable Call Price on the
Business Day immediately following the date of termination or notification of
the occurrence, prior to the Remarketing Dealer's election on the Notification
Date to remarket the MOPPRS, of any event set forth in Section 8(b)(ii), (v) or
(viii), as the case may be, or as soon as practicable thereafter (the "Call
Price Determination Date"). The Remarketing Dealer shall promptly notify the
Company of the Call Price Determination Date and the Call Price by telephone,
confirmed in writing (which may include facsimile or other electronic
transmission). The Call Price, absent manifest error, shall be binding and
conclusive upon the parties hereto.

         (f)     This Agreement shall not be subject to termination by the
Company or MCN.

         (g)     Notwithstanding any provision herein to the contrary, upon the
occurrence of any of the events set forth in Section 8(b)(i), (iii), (iv) or
(vi) hereof, the Remarketing Dealer, in its sole discretion, may terminate all
of its obligations under this Agreement pursuant to Section 11(b) hereof upon
consultation with the Company.

         Section 12.     Remarketing Dealer's Performance; Duty of Care. The 
duties and obligations of the Remarketing Dealer shall be determined solely by
the express provisions of this Agreement and the Indenture. No implied covenants
or obligations of or against the Remarketing Dealer shall be read into this
Agreement or the Indenture. In the absence of bad faith on the part of the
Remarketing Dealer, the Remarketing Dealer may conclusively rely upon any
document furnished to it, which purports to conform to the requirements of this
Agreement and the Indenture, as to the truth of the statements expressed in any
of such documents. The Remarketing Dealer shall be protected in acting upon any
document or communication reasonably believed by it to have been signed,
presented or made by the proper party or parties. The Remarketing Dealer shall
incur no liability hereunder to any Beneficial Owner or Holder of MOPPRS in its
individual capacity or as Remarketing Dealer for any action or failure to act in
connection with the remarketing or otherwise. The Remarketing Dealer shall incur
no liability to the Company or MCN with respect to calculation 




                                      -22-

<PAGE>   23

of the Interest Rate to Maturity, except as a result of gross negligence or
willful misconduct on its part.

         Section 13.     GOVERNING LAW.  THIS AGREEMENT SHALL BE GOVERNED BY AND
CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK APPLICABLE TO
CONTRACTS MADE AND TO BE PERFORMED IN SUCH STATE.

         Section 14.     Term of Agreement. Unless otherwise terminated in
accordance with the provisions hereof, this Agreement shall remain in full force
and effect from the date hereof until the earlier of the first day thereafter on
which no MOPPRS are outstanding or the completion of the remarketing of the
MOPPRS. Regardless of any termination of this Agreement pursuant to any of the
provisions hereof, the obligations of the Company and MCN pursuant to Sections
9, 10 and 11 hereof shall remain operative and in full force and effect until
fully satisfied.

         Section 15.     Successors and Assigns. The rights and obligations of
the Company and MCN hereunder may not be assigned or delegated to any other
person without the prior written consent of the Remarketing Dealer. This
Agreement shall inure to the benefit of and be binding upon the Company and MCN
and the Remarketing Dealer and their respective successors and assigns, and will
not confer any benefit upon any other person, partnership, association or
corporation other than persons, if any, controlling the Remarketing Dealer
within the meaning of Section 15 of the 1933 Act or Section 20 of the 1934 Act,
or any indemnified party to the extent provided in Section 9 hereof, or any
person entitled to contribution to the extent provided in Section 10 hereof. The
terms "successors" and "assigns" shall not include any purchaser of any MOPPRS
merely because of such purchase.

         Section 16.     Headings. Section headings have been inserted in this
Agreement as a matter of convenience of reference only, and it is agreed that
such section headings are not a part of this Agreement and will not be used in
the interpretation of any provisions of this Agreement.

         Section 17.     Severability. If any provision of this Agreement shall
be held or deemed to be or shall, in fact, be invalid, inoperative or
unenforceable as applied in any particular case in any or all jurisdictions
because it conflicts with any provision of any constitution, statute, rule or
public policy or for any other reason, such circumstances shall not have the
effect of rendering the provision in question invalid, inoperative or
unenforceable in any other case, circumstance or jurisdiction, or of rendering
any other provision or provisions of this Agreement invalid, inoperative or
unenforceable to any extent whatsoever.

         Section 18.     Counterparts.  This Agreement may be executed in 
several counterparts, each of which shall be regarded as an original and all of
which shall constitute one and the same document.



                                      -23-
<PAGE>   24

         Section 19.     Amendments.  This Agreement may be amended by any
instrument in writing signed by each of the parties hereto so long as this
Agreement as amended is not inconsistent with the Indenture in effect as of the
date of any such amendment.

         Section 20.     Notices. Unless otherwise specified, any notices,
requests, consents or other communications given or made hereunder or pursuant
hereto shall be made in writing (which may include facsimile or other electronic
transmission) and shall be deemed to have been validly given or made when
delivered or mailed, registered or certified mail, return receipt requested and
postage prepaid, addressed as follows:

         (a)     to the Company or MCN:

                         MCN Energy Group Inc.
                         500 Griswold Street
                         Detroit, Michigan  48226
                         Attention: Daniel L. Schiffer, Esq.,
                                    Senior Vice President, General
                                    Counsel and Secretary
                         Facsimile No.: (313) 965-0009

         (b)     to Merrill Lynch:

                         Merrill Lynch, Pierce, Fenner & Smith Incorporated
                         North Tower
                         World Financial Center
                         New York, New York  10281-1307
                         Attention: Swaps Option Desk
                         Facsimile No.: (212) 449-8920

                         With a copy to: Scott Primrose/Transaction Management
                          Group
                         Facsimile No.: (212) 449-2234

or to such other address as the Company or the Remarketing Dealer shall specify
in writing.

                                     -24-
<PAGE>   25

         IN WITNESS WHEREOF, each of the Company, MCN and the Remarketing Dealer
has caused this Remarketing Agreement to be executed in its name and on its
behalf by one of its duly authorized officers as of the date first above
written.


                                        MCN INVESTMENT CORPORATION



                                        By:  /s/ Sebastian Coppola
                                           ----------------------------------
                                           Name: Sebastian Coppola
                                           Title: Vice President and Treasuer


                                        MCN ENERGY GROUP INC.



                                        By:  /s/ Sebastian Coppola
                                           ----------------------------------
                                           Name: Sebastian Coppola
                                           Title: Senior Vice President,
                                                  Finance and Treasuer 


                                        MERRILL LYNCH, PIERCE, FENNER & SMITH
                                                       INCORPORATED


                                        By:  /s/ Anthony V. Leness 
                                           ---------------------------------- 
                                                      Authorized Signatory


                                      -25-




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