MCN CORP
10-Q, 1996-11-07
NATURAL GAS DISTRIBUTION
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<PAGE>
 
- -------------------------------------------------------------------------------
- -------------------------------------------------------------------------------
 
                      SECURITIES AND EXCHANGE COMMISSION
                            WASHINGTON, D.C. 20549
 
                               ----------------
 
                                   FORM 10-Q
 
(MARK ONE)
   [X]         QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(D)
                    OF THE SECURITIES EXCHANGE ACT OF 1934
 
FOR THE QUARTERLY PERIOD ENDED SEPTEMBER 30, 1996, OR
 
   [_]         TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(D)
                    OF THE SECURITIES EXCHANGE ACT OF 1934
 
FOR THE TRANSITION PERIOD FROM              TO
 
COMMISSION FILE NUMBER 1-10070
 
                                MCN CORPORATION
            (Exact name of registrant as specified in its charter)
 
               MICHIGAN                              38-2820658
    (State or other jurisdiction of               (I.R.S. Employer
    incorporation or organization)               Identification No.)
 
500 GRISWOLD STREET, DETROIT, MICHIGAN                  48226
    (Address of principal executive                  (Zip Code)
               offices)
 
Registrant's telephone number, including area code 313-256-5500
 
                                  NO CHANGES
  (Former name, former address and former fiscal year, if changed since last
                                   report.)
 
  Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to
such filing requirements for the past 90 days.
 
                                Yes   X  No
 
  Number of shares outstanding of each of the registrant's classes of common
stock, as of October 31, 1996:
 
              Common Stock, par value $.01 per share: 67,197,241
 
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- -------------------------------------------------------------------------------
<PAGE>
 
                               INDEX TO FORM 10-Q
 
                      FOR QUARTER ENDED SEPTEMBER 30, 1996
 
<TABLE>
<CAPTION>
                                                                           PAGE
                                                                          NUMBER
                                                                          ------
<S>                                                                       <C>
COVER....................................................................    i
INDEX....................................................................   ii
PART I -- FINANCIAL INFORMATION
Item 1. Financial Statements.............................................   10
Item 2. Management's Discussion and Analysis of Financial
     Condition and Results of Operations.................................    1
PART II -- OTHER INFORMATION
Item 1. Legal Proceedings................................................   25
Item 6. Exhibits and Reports on Form 8-K.................................   26
SIGNATURE................................................................   27
</TABLE>
 
                                       ii
<PAGE>
 
                       MCN CORPORATION AND SUBSIDIARIES
                     MANAGEMENT'S DISCUSSION AND ANALYSIS
 
RESULTS OF OPERATIONS
 
MCN reports quarterly seasonal loss -- MCN's loss from continuing operations
was $13.4 million ($.20 per share) during the 1996 quarter, which was a $3.9
million ($.06 per share) larger loss than the same 1995 quarter. Earnings from
continuing operations for the 1996 nine-month and twelve-month periods
increased $18.2 million ($.24 per share) and $39.0 million ($.52 per share),
respectively, over the comparable 1995 periods.
 
MCN's earnings for the nine- and twelve-month periods were increased by income
from discontinued operations, including a one-time gain of $36.2 million ($.54
per share) from the sale of The Genix Group, Inc. (Genix), MCN's computer
operations services subsidiary. As discussed in the "Discontinued Operations"
section that follows, MCN sold Genix during the second quarter of 1996.
 
A summary of financial performance follows:
 
<TABLE>
<CAPTION>
                                        QUARTER         9 MONTHS    12 MONTHS
                                     ---------------  ------------ ------------
                                      1996     1995    1996  1995   1996  1995
                                     -------  ------  ------ ----- ------ -----
<S>                                  <C>      <C>     <C>    <C>   <C>    <C>
NET INCOME (LOSS) (in Millions)
Continuing Operations:
 Gas Distribution................... $ (18.9) $(12.9) $ 53.1 $41.5 $ 87.2 $58.4
 Diversified Energy.................     5.5     3.4    17.7  11.1   24.2  14.0
                                     -------  ------  ------ ----- ------ -----
                                       (13.4)   (9.5)   70.8  52.6  111.4  72.4
                                     -------  ------  ------ ----- ------ -----
Discontinued Operations:
 Income From Operations.............      --      .9     1.6   2.7    2.5   3.6
 Gain on Sale.......................      --      --    36.2    --   36.2    --
                                     -------  ------  ------ ----- ------ -----
                                          --      .9    37.8   2.7   38.7   3.6
                                     -------  ------  ------ ----- ------ -----
                                     $ (13.4) $(8.6)  $108.6 $55.3 $150.1 $76.0
                                     =======  ======  ====== ===== ====== =====
EARNINGS (LOSS) PER SHARE
Continuing Operations:
 Gas Distribution................... $  (.28) $ (.20) $  .79 $ .65 $ 1.31 $ .93
 Diversified Energy.................     .08     .06     .27   .17    .36   .22
                                     -------  ------  ------ ----- ------ -----
                                        (.20)   (.14)   1.06   .82   1.67  1.15
                                     -------  ------  ------ ----- ------ -----
Discontinued Operations:
 Income From Operations.............      --     .01     .03   .04    .04   .06
 Gain on Sale.......................      --      --     .54    --    .54    --
                                     -------  ------  ------ ----- ------ -----
                                          --     .01     .57   .04    .58   .06
                                     -------  ------  ------ ----- ------ -----
                                     $  (.20) $ (.13) $ 1.63 $ .86 $ 2.25 $1.21
                                     =======  ======  ====== ===== ====== =====
</TABLE>
 
- -------------------------------------------------------------------------------
 
Strategic direction -- MCN's objective is to achieve superior, long-term
returns for its shareholders. To accomplish this, MCN will aggressively invest
in a diverse portfolio of domestic and international energy-related projects.
The success of this strategy will be demonstrated by the growth of MCN's
earnings and the total return to its shareholders over time.
 
GAS DISTRIBUTION
 
Quarterly results are down -- Given the seasonal nature of its business, Gas
Distribution generally experiences a loss during the third quarter when the
weather is warm and less gas is delivered to customers. However, Gas
Distribution's loss of $18.9 million ($.28 per share) during the 1996 quarter
was $6.0 million ($.08 per share) higher than the third quarter of 1995. These
results were due mainly to increased operating expenses. Earnings for the 1996
nine- and twelve-month periods increased $11.6 million ($.14 per share) and
$28.8 million ($.38 per share), respectively, from the same periods in 1995.
The increases are due primarily to higher gas deliveries resulting from colder
weather.
 
                                       1
<PAGE>
 
               MANAGEMENT'S DISCUSSION AND ANALYSIS (CONTINUED)
 
<TABLE>
<CAPTION>
                                       QUARTER    9 MONTHS      12 MONTHS
                                      ---------- -----------   -------------
                                      1996  1995 1996  1995    1996    1995
                                      ----  ---- ----  -----   -----  ------
<S>                                   <C>   <C>  <C>   <C>     <C>    <C>
EFFECT OF WEATHER ON GAS MARKETS AND
 EARNINGS
Percentage Colder (Warmer) than
 Normal..............................  N/A   N/A  6.2%  (3.8)%   6.8%   (8.5)%
Increase (Decrease) from Normal in:
 Gas Markets (in Bcf)................  (.2)   .5  8.4   (4.3)   14.2   (14.2)
 Net Income (in Millions)............ $(.2) $ .4 $7.6  $(3.7)  $12.7  $(12.7)
 Earnings Per Share.................. $ --  $.01 $.11  $(.06)  $ .19  $ (.20)
</TABLE>
 
GROSS MARGIN
 
Gross margin decreases -- Gas Distribution gross margin (operating revenues
less cost of gas) decreased $1.6 million for the 1996 quarter due to higher
lost gas costs, as discussed in the "Cost of Gas" section, partially offset by
increased gas sales and transportation deliveries. Gross margin increased
$23.9 million and $56.7 million for the 1996 nine- and twelve-month periods,
respectively, due to increased gas sales and transportation deliveries.
 
<TABLE>
<CAPTION>
                              QUARTER        9 MONTHS          12 MONTHS
                           --------------  --------------  ------------------
                            1996    1995    1996    1995     1996      1995
                           ------  ------  ------  ------  --------  --------
<S>                        <C>     <C>     <C>     <C>     <C>       <C>
GAS DISTRIBUTION
 OPERATIONS (in Millions)
Operating Revenues*....... $119.0  $112.1  $882.8  $732.8  $1,257.6  $1,037.8
Cost of Gas...............   30.1    21.6   433.8   307.7     617.5     454.4
                           ------  ------  ------  ------  --------  --------
 Gross Margin.............   88.9    90.5   449.0   425.1     640.1     583.4
                           ------  ------  ------  ------  --------  --------
Other Operating Expenses*
 Operation & Maintenance..   69.8    62.0   211.9   214.7     297.0     302.6
 Depreciation & Depletion.   25.0    22.7    74.5    68.6      97.2      89.6
 Property & Other Taxes...   13.3    13.2    47.2    44.8      61.2      57.1
                           ------  ------  ------  ------  --------  --------
                            108.1    97.9   333.6   328.1     455.4     449.3
                           ------  ------  ------  ------  --------  --------
Operating Income (Loss)...  (19.2)   (7.4)  115.4    97.0     184.7     134.1
                           ------  ------  ------  ------  --------  --------
Equity in Earnings of
 Joint Ventures...........     .1      .3      .7      .9       1.1       1.2
                           ------  ------  ------  ------  --------  --------
Other Income &
 (Deductions)*
 Interest Income..........    1.5     1.3     2.7     3.5       3.6       4.6
 Interest Expense.........  (12.2)  (10.8)  (36.0)  (32.0)    (48.5)    (43.6)
 Minority Interest........    (.4)    (.6)   (1.1)   (1.8)     (1.7)     (2.5)
 Other....................     .7    (1.4)     .5    (2.9)     (2.2)     (5.7)
                           ------  ------  ------  ------  --------  --------
                            (10.4)  (11.5)  (33.9)  (33.2)    (48.8)    (47.2)
                           ------  ------  ------  ------  --------  --------
Income (Loss) Before
 Income Taxes.............  (29.5)  (18.6)   82.2    64.7     137.0      88.1
Income Taxes..............  (10.6)   (5.7)   29.1    23.2      49.8      29.7
                           ------  ------  ------  ------  --------  --------
Net Income (Loss)......... $(18.9) $(12.9) $ 53.1  $ 41.5  $   87.2  $   58.4
                           ======  ======  ======  ======  ========  ========
</TABLE>
*Includes intercompany transactions.
 
                                       2
<PAGE>
 
               MANAGEMENT'S DISCUSSION AND ANALYSIS (CONTINUED)

GAS SALES AND END USER TRANSPORTATION deliveries in total increased .9 billion
cubic feet (Bcf) in the 1996 quarter, and 20.2 Bcf and 42.6 Bcf in the nine-
and twelve-month periods, respectively. The increase in the 1996 quarter is
due primarily to market expansion and increased customer consumption. The
increases in the nine- and twelve-month periods are due primarily to colder
weather, as well as market expansion and increased consumption. End user
transportation deliveries reflect transportation to the Michigan Power
project, a 123 megawatt cogeneration plant in which MCN has a 50% interest.
Deliveries to the project, which became operational in October 1995, are
approximately 9 Bcf annually.
 
<TABLE>
<CAPTION>
                                               QUARTER    9 MONTHS    12 MONTHS
                                             ----------- ----------- -----------
                                             1996  1995  1996  1995  1996  1995
                                             ----- ----- ----- ----- ----- -----
<S>                                          <C>   <C>   <C>   <C>   <C>   <C>
GAS DISTRIBUTION MARKETS (in Bcf)
Gas Sales...................................  14.5  14.4 152.6 136.8 225.7 193.0
End User Transportation.....................  28.6  27.8 108.1 103.7 150.1 140.2
                                             ----- ----- ----- ----- ----- -----
                                              43.1  42.2 260.7 240.5 375.8 333.2
Intermediate Transportation*................ 148.7  75.8 407.1 260.3 521.2 337.1
                                             ----- ----- ----- ----- ----- -----
                                             191.8 118.0 667.8 500.8 897.0 670.3
                                             ===== ===== ===== ===== ===== =====
</TABLE>
*Includes intercompany volumes.
 
INTERMEDIATE TRANSPORTATION deliveries in the 1996 periods increased due to
additional volumes transported for two major fixed-fee customers and increased
transportation of Antrim gas for Michigan gas producers and brokers. In order
to meet the growing demand for the transportation of Antrim gas, MichCon
recently completed the expansion of the transportation capacity of its
northern Michigan gathering system. The expansion enabled MichCon to transport
an additional 31.7 Bcf, 91.6 Bcf and 107.8 Bcf in the 1996 quarter, nine- and
twelve-month periods, respectively. Profit margins on intermediate
transportation services are considerably less than margins on gas sales or for
end user transportation markets.
 
COST OF GAS
 
Cost of gas is affected by variations in sales volumes and cost of gas rates.
Through the Gas Cost Recovery (GCR) mechanism, MichCon is allowed timely
recovery of 100% of its prudently and reasonably incurred cost of gas sold.
Therefore, fluctuations in cost of gas sold have little or no effect on gross
margins.
 
Cost of gas sold increased in all 1996 periods due to higher sales volumes and
higher prices paid for natural gas in the spot market. The increase in market
prices paid for gas resulted in an increase in the cost of gas per thousand
cubic feet of $.58 (34%), $.59 (26%) and $.41(17%) for the quarter, nine- and
twelve-month periods, respectively.
 
As discussed in MCN's 1995 Annual Report on Form 10-K, MichCon's gas sales
rates are set to recover lost gas costs using an averaging method based on
historical lost gas experience. An adjustment for the difference between the
historical average lost gas amount and the actual lost gas amount is recorded
to income at the end of the seasonal cycle ended August 31 of each year. The
lost gas adjustment for the 1996 cycle, compared with the adjustment for the
1995 cycle, resulted in a $4.6 million decrease in gross margin for the
quarter.
 
OTHER OPERATING EXPENSES
 
OPERATION AND MAINTENANCE expenses were higher in the 1996 quarter due
primarily to increased uncollectible gas accounts that were driven higher by
last winter's colder temperatures and rising gas prices, which significantly
increased customers' heating bills. The impact of higher heating bills was
worsened by a reduction in home heating assistance funding obtained by low-
income customers. Operation and maintenance expenses decreased for 1996 nine-
and twelve-month periods due to lower employee benefit costs, primarily
pension and retiree healthcare costs. The reductions in the 1996 nine- and
twelve-month periods were partially offset by increased uncollectibles
expense. Management's continuing efforts to reduce operating costs also
contributed to the decreases.
 
                                       3
<PAGE>
 
               MANAGEMENT'S DISCUSSION AND ANALYSIS (CONTINUED)
 
As discussed in MCN's 1995 Annual Report on Form 10-K, MichCon receives a
significant amount of its heating assistance funding from the Low-Income Home
Energy Assistance Program (LIHEAP). During 1995, Congress reduced a
substantial portion of the program's funding for the 1996 fiscal year and
there were proposals to eliminate all funding in future years. Michigan's
share of LIHEAP funds was reduced from $78 million in fiscal year 1995 to
$47.5 million in 1996. During October 1996, President Clinton signed an
Omnibus Spending Bill passed by Congress that provided for $1 billion in
LIHEAP funding, which increases 1997 funding by $100 million over 1996 levels.
 
DEPRECIATION AND DEPLETION increased in all 1996 periods due to higher plant
balances, reflecting capital expenditures of $396.1 million over the past two
calendar years.
 
PROPERTY AND OTHER TAXES for all 1996 periods increased due to higher property
balances.
 
OTHER INCOME & DEDUCTIONS
 
Other income & deductions for all 1996 periods was affected by higher interest
costs on increased borrowings required to finance capital investments in the
Gas Distribution group. For the 1996 quarter, this increase in interest costs
was more than offset by other income, which included higher allowances for
funds used during construction due to increased construction during 1996.
 
INCOME TAXES
 
Income tax expense over the past two years has been affected by the favorable
resolution of a number of tax issues. The favorable effect of those
resolutions on income tax expense was $.7 million and $.4 million greater in
the 1996 quarter and nine-month periods, respectively, when compared to the
same 1995 periods. The favorable effect in the twelve-month period was $2.6
million less in 1996 than in 1995.
 
OUTLOOK
 
Gas Distribution's strategy is to grow revenues and reduce its costs in order
to maintain strong returns and provide customers with quality service at
competitive prices. Revenue growth will be achieved primarily through the
expansion of Gas Distribution's base of 1.2 million residential, commercial
and industrial customers. Gas Distribution will continue initiatives to
increase productivity and improve customer services in order to strengthen its
competitive position in the gas industry.
 
DIVERSIFIED ENERGY
 
Diversified Energy earnings continue to rise -- The Diversified Energy group
reported quarterly earnings of $5.5 million ($.08 per share), an increase of
$2.1 million ($.02 per share) from the comparable 1995 period. Earnings for
the 1996 nine- and twelve-month periods increased $6.6 million ($.10 per
share) and $10.2 million ($.14 per share), respectively. Reflecting the
success of MCN's strategy to invest in various segments of the natural gas
industry, earnings growth was achieved in all lines of business. The increased
earnings were driven primarily by increased gas sales and levels of natural
gas production. Results were also affected by increased financing costs in all
periods as a result of additional capital needed to fund investments.
 
                                       4
<PAGE>
 
               MANAGEMENT'S DISCUSSION AND ANALYSIS (CONTINUED)
 
<TABLE>
<CAPTION>
                                  QUARTER        9 MONTHS        12 MONTHS
                                -------------  --------------  --------------
                                 1996   1995    1996    1995    1996    1995
                                ------  -----  ------  ------  ------  ------
<S>                             <C>     <C>    <C>     <C>     <C>     <C>
DIVERSIFIED ENERGY OPERATIONS
(in Millions)
Operating Revenues*............ $127.9  $79.8  $522.0  $254.9  $667.1  $344.3
                                ------  -----  ------  ------  ------  ------
Operating Expenses*............  118.8   75.4   495.0   239.8   633.3   322.9
                                ------  -----  ------  ------  ------  ------
Operating Income (Loss)
 Gas Services
  Exploration & Production.....    6.1    5.0    19.2    11.9    25.8    18.2
  Gas Gathering & Processing...    1.3     .1     3.7      .3     3.8      .4
  Gas Marketing & Cogeneration.    2.5    (.2)    5.8     4.7     6.9     5.1
                                ------  -----  ------  ------  ------  ------
                                   9.9    4.9    28.7    16.9    36.5    23.7
 Corporate & Other.............    (.8)   (.5)   (1.7)   (1.8)   (2.7)   (2.3)
                                ------  -----  ------  ------  ------  ------
                                   9.1    4.4    27.0    15.1    33.8    21.4
                                ------  -----  ------  ------  ------  ------
Equity in Earnings of Joint
Ventures.......................    2.2    1.5     7.4     2.9     8.4     3.3
                                ------  -----  ------  ------  ------  ------
Other Income & (Deductions)*
 Interest Income...............     .6     .5     2.4     2.5     3.5     3.6
 Interest Expense..............   (5.5)  (2.8)  (20.9)   (8.8)  (25.4)  (12.5)
 Dividends on Preferred
  Securities...................   (3.6)  (2.3)   (8.3)   (7.0)  (10.7)   (8.5)
 Other.........................    (.1)    --     2.5     1.1     3.7      .5
                                ------  -----  ------  ------  ------  ------
                                  (8.6)  (4.6)  (24.3)  (12.2)  (28.9)  (16.9)
                                ------  -----  ------  ------  ------  ------
Income Before Income Taxes.....    2.7    1.3    10.1     5.8    13.3     7.8
                                ------  -----  ------  ------  ------  ------
Income Taxes
 Current and Deferred
  Provision....................    1.2     .5     4.3     2.1     4.8     3.3
 Gas Production Tax Credits....   (4.0)  (2.6)  (11.9)   (7.4)  (15.7)   (9.5)
                                ------  -----  ------  ------  ------  ------
                                  (2.8)  (2.1)   (7.6)   (5.3)  (10.9)   (6.2)
                                ------  -----  ------  ------  ------  ------
Net Income..................... $  5.5  $ 3.4  $ 17.7  $ 11.1  $ 24.2  $ 14.0
                                ======  =====  ======  ======  ======  ======
</TABLE>
*Includes intercompany transactions.
 
GAS SERVICES
 
EXPLORATION & PRODUCTION (E&P) operating income increased $1.1 million for the
1996 quarter, and $7.3 million and $7.6 million for the nine- and twelve-month
periods, respectively. The results reflect a significantly higher level of gas
and oil produced from properties that have been acquired since mid-1994 and
the development of other new projects. Gas production was 15.1 Bcf and oil
production was 255,000 barrels in the quarter, substantial increases over 1995
production levels of 8.6 Bcf of gas and 101,000 barrels of oil. Additionally,
E&P operations have increased Diversified Energy's earnings through the
generation of an increasing amount of federal gas production tax credits.
 
E&P operating results were impacted by the average natural gas sales rate per
Mcf, which increased $.10 to $1.84 in the 1996 quarter. For the nine- and
twelve-month periods, the average natural gas sales rate increased $.08 to
$1.94 and $.10 to $2.01, respectively. The average sales rates include the
effect of hedging with natural gas swap and futures agreements, which are used
to limit Diversified Energy's exposure to the risk of market price
fluctuations. As a result of strong gas prices in the marketplace, hedging had
the effect of reducing the average sales rate for the 1996 quarter, nine- and
twelve-month periods by $.17, $.26 and $.09 per Mcf, respectively. Conversely,
hedging increased the average sales rates for the 1995 quarter, nine- and
twelve-month periods by $.36, $.46 and $.37 per Mcf, respectively. E&P
operating results also reflect an increase in the average oil sales rate per
barrel of $3.86, $2.85 and $2.46 for the 1996 quarter, nine- and twelve-month
periods, respectively. Partially offsetting the improved results were
increases in the average production cost per Mcf equivalent.
 
                                       5
<PAGE>
 
                MANAGEMENT'S DISCUSSION AND ANALYSIS (CONTINUED)
 
MCN expects continued growth in E&P earnings through an increasing level of
natural gas and oil production resulting from its focused efforts to acquire
and develop reserves that generate favorable rates of return. At year end 1995,
MCN had a proved reserve base of 858 Bcf of natural gas and 4.7 million barrels
of oil, or the equivalent of another 28 Bcf of natural gas. More than $240
million has been invested to acquire and develop reserves during the first
three quarters of 1996, with an additional $100 million expected by year end
1996. MCN expects ongoing increases in production levels as it acquires new
reserves, completes additional developmental drilling and obtains the full
benefits from previous acquisitions. Natural gas and oil production levels are
estimated to exceed 60 Bcf equivalent (Bcfe) in 1996, almost double 1995
production levels of 33.7 Bcfe. Likewise, E&P operating income for 1996 is
expected to be significantly above the $18.5 million generated in 1995.
 
GAS GATHERING & PROCESSING operating income increased $1.2 million for the 1996
quarter, and $3.4 million for both the nine- and twelve-month periods. The
increases reflect income from the first quarter 1996 acquisition of a 99%
interest in Dauphin Island Gathering Partners (DIGP), a general partnership
that owns a 90-mile gas gathering system in the Mobile Bay area of offshore
Alabama. MCN subsequently sold a 40% interest in the partnership to PanEnergy
Dauphin Island Company (Note 2). MCN expects to enhance its opportunities to
further develop and expand the DIGP gathering system in one of the fastest
growing production areas of the country. Earnings were favorably affected by
increased volumes of gas processed during the quarter, nine- and twelve-month
periods of 8.4 Bcf, 19.3 Bcf and 22.4 Bcf, respectively.
 
GAS MARKETING & COGENERATION operating income increased to $2.5 million in the
1996 quarter compared to an operating loss of $.2 million in the 1995 quarter.
Operating income increased $1.1 million for the nine-month period, and $1.8
million for the twelve-month period. Operating results for all periods were
affected by a significant increase in sales volumes driven by additional sales
to customers in the midwest and northeast United States, including the Michigan
Power project. Operating results for the nine- and twelve-month periods were
also favorably affected by increased sales to customers in eastern Canada.
Operating income was further enhanced by improved gas sales margins, reflecting
an increase in the average gas sales rate of $.66, $.88 and $.70 for the
quarter, nine- and twelve-month periods, respectively.
 
<TABLE>
<CAPTION>
                                               QUARTER   9 MONTHS    12 MONTHS
                                              --------- ----------- -----------
                                              1996 1995 1996  1995  1996  1995
                                              ---- ---- ----- ----- ----- -----
<S>                                           <C>  <C>  <C>   <C>   <C>   <C>
DIVERSIFIED ENERGY GAS STATISTICS* (in Bcf)
Gas Sales....................................
 Gas Marketing & Cogeneration................ 42.3 37.9 155.8 114.0 212.5 151.9
 Exploration & Production**..................  8.6  4.5  25.8  10.8  31.2  13.7
Transportation............................... 16.8   --  47.6    .6  48.1    .8
                                              ---- ---- ----- ----- ----- -----
                                              67.7 42.4 229.2 125.4 291.8 166.4
                                              ==== ==== ===== ===== ===== =====
Gas Production............................... 15.1  8.6  40.7  21.7  50.4  27.3
                                              ==== ==== ===== ===== ===== =====
Gas Processed................................ 12.7  4.3  30.5  11.2  35.6  13.2
                                              ==== ==== ===== ===== ===== =====
</TABLE>
*Includes intercompany volumes.
**Represents gas sales made directly to third parties by E&P operations. Other
 E&P production is sold to affiliated companies for marketing.
 
RISK MANAGEMENT STRATEGY -- Risks associated with significant future E&P
activities will be minimized by diversifying investments along the lines of
geography, geology, risk profile and technology, as well as by partnering with
operators who bring capital and expertise. MCN manages price risk by attempting
to maintain a balanced portfolio of gas supply and gas sales agreements. MCN
uses natural gas futures, options and swap contracts to manage its price risk
by offsetting a large portion of its open positions. MCN has hedged most of its
gas and oil production over the next ten years which is not covered by long-
term fixed-price sales contracts.
 
CORPORATE & OTHER
 
Corporate & other reflects administrative expenses associated with corporate
management activities.
 
 
                                       6
<PAGE>
 
                MANAGEMENT'S DISCUSSION AND ANALYSIS (CONTINUED)

EQUITY IN EARNINGS OF JOINT VENTURES
 
Earnings from joint ventures increased $.7 million, $4.5 million and $5.1
million for the 1996 quarter, nine- and twelve-month periods, respectively. The
increases are primarily due to earnings from Gas Gathering & Processing
ventures, reflecting income from the December 1995 acquisition of a 50%
interest in a 40-mile gas gathering line in Virginia. Additionally, the
improved earnings from other joint ventures for the nine- and twelve-month
periods include $1.7 million from the sale of joint venture property.
 
<TABLE>
<CAPTION>
                                            QUARTER    9 MONTHS    12 MONTHS
                                           ----------  ----------  ----------
                                           1996  1995  1996  1995  1996  1995
                                           ----  ----  ----  ----  ----  ----
<S>                                        <C>   <C>   <C>   <C>   <C>   <C>
EQUITY IN EARNINGS OF JOINT VENTURES (in
 Millions)
Gas Storage............................... $ .9  $1.1  $2.8  $3.4  $3.6  $3.8
Gas Gathering & Processing................  1.2    .1   3.1    .2   3.5    .6
Gas Marketing & Cogeneration..............  (.2)  (.3)  (.6)  (.9)  (.6) (1.2)
Other.....................................   .3    .6   2.1    .2   1.9    .1
                                           ----  ----  ----  ----  ----  ----
                                           $2.2  $1.5  $7.4  $2.9  $8.4  $3.3
                                           ====  ====  ====  ====  ====  ====
</TABLE>
 
OTHER INCOME & DEDUCTIONS
 
Other income & deductions for all 1996 periods reflects higher interest costs
on increased borrowings required to finance capital investments in the
Diversified Energy group. Additionally, all 1996 periods reflect dividends on
$80 million of preferred securities issued in July 1996 (Note 3c). The current
twelve-month period also reflects higher dividends paid on $100 million of
preferred securities issued in November 1994. Partially offsetting the
increased interest and dividend costs was other income which includes pre-tax
gains from the sale of a 40% interest in DIGP (Note 2).
 
INCOME TAXES
 
Income taxes for all 1996 periods were favorably impacted by increased federal
gas production tax credits related to E&P projects, partially offset by
increased federal taxes on improved pre-tax earnings.
 
OUTLOOK
 
MCN plans to continue aggressively growing its E&P reserve base, primarily in
areas that generate attractive returns. The development of reserves will
contribute toward a reliable long-term supply to meet the increased sales
requirements of MCN's Gas Marketing & Cogeneration business as it expands into
areas beyond Michigan's borders. Additionally, MCN expects oil to become a
significantly larger portion of total proved reserves, creating a more diverse
portfolio. MCN also plans to invest in gas gathering facilities, targeting
areas that contain gas marketing or E&P opportunities.
 
DISCONTINUED OPERATIONS
 
In June 1996, MCN completed the sale of its computer operations subsidiary,
Genix, to Affiliated Computer Services, Inc. for an initial sales price of
$137.5 million, resulting in an after-tax gain of $36.2 million. In October
1996, the initial sales price was decreased by $4.6 million to reflect the
reduction in Genix's working capital between the effective and closing dates of
the transaction. The selling price of Genix could be further adjusted downward
by as much as $40 million depending upon the occurrence of certain
contingencies that include, among other things, retention of certain customers
through mid-1998 and tax-related matters. Although Genix had experienced
significant growth in revenues and operating income over the past several
years, MCN's focused strategy is to invest in energy-related projects that
generate higher rates of return. Summary statements and other information on
discontinued computer operations can be found in Note 5 to the consolidated
financial statements.
 
 
                                       7
<PAGE>
 
                MANAGEMENT'S DISCUSSION AND ANALYSIS (CONTINUED)

CAPITAL RESOURCES AND LIQUIDITY
 
OPERATING ACTIVITIES
 
MCN's cash flow from operating activities decreased $47.1 million during the
1996 nine-month period compared to the same 1995 period. The decrease was due
primarily to an increase in working capital requirements, partially offset by
higher income, after adjusting for depreciation, deferred taxes and the gain on
the sale of Genix and DIGP interests.
 
FINANCING ACTIVITIES
 
MCN issues new shares of common stock pursuant to its Dividend Reinvestment and
Stock Purchase Plans and various employee benefit plans. During 1996, MCN
anticipates the issuance of new shares of common stock pursuant to these plans,
generating proceeds of approximately $18 million. During the first nine months
of 1996, issuances under these plans generated proceeds of $13.4 million.
 
In April 1996, MCN issued 5,865,000 Preferred Redeemable Increased Dividend
Equity Securities (PRIDES), yielding 8 3/4% (Note 3b). The PRIDES are
convertible securities that consist of a contract under which MCN is obligated
to sell, and the PRIDES holders are obligated to purchase, approximately $135
million in MCN common stock in April 1999. The PRIDES are currently rated the
equivalent of "BBB+" by the major rating agencies and enhance MCN's
creditworthiness.
 
In July 1996, MCN issued through a wholly-owned trust 3,200,000 shares of 8
5/8% Trust Originated Preferred Securities (TOPrS) for $80 million (Note 3c).
Proceeds from the issuance were invested by MCN in its Diversified Energy group
which used such proceeds to reduce debt incurred to fund capital expenditures,
working capital requirements and for general corporate purposes. The TOPrS are
currently rated the equivalent of "BBB+" or "baa2" by the major rating
agencies.
 
GAS DISTRIBUTION
 
During the latter part of the year, cash and cash equivalents normally decrease
as funds are used to finance increases in gas inventories and customer accounts
receivable. Short-term debt is normally reduced in the first part of each year
as gas inventories are depleted and funds are received from winter heating
sales. To meet its seasonal short-term borrowing needs, MichCon normally issues
commercial paper which is backed by credit lines with several banks. MichCon
has established credit lines to allow for borrowings of up to $100 million
under a 364-day revolving credit facility and up to $150 million under a three-
year revolving credit facility. Commercial paper of $192.1 million was
outstanding as of September 30, 1996 under these lines.
 
In May 1996, MichCon issued first mortgage bonds totaling $70 million under its
existing shelf registration. The proceeds were used to repay short-term
obligations, finance capital expenditures and for general corporate purposes.
 
MichCon is planning on filing a shelf registration with the Securities and
Exchange Commission in the fourth quarter of 1996 that will allow it to issue,
in conjunction with an existing shelf registration, up to $300 million of debt
securities over the next several years. MichCon's capital requirements and
general market conditions will affect the timing and amount of future
issuances.
 
DIVERSIFIED ENERGY
 
MCNIC has established credit lines to allow for borrowings of up to $100
million under a 364-day revolving credit facility and up to $300 million under
a three-year revolving credit facility. The facilities support MCNIC's $400
million commercial paper program, which is used to finance capital investments
of the Diversified Energy group and working capital requirements of its gas
marketing operations. During the first nine months of 1996, MCNIC repaid $273
million of commercial paper, leaving a balance of $101 million outstanding
under this program as of September 30, 1996.
 
In January and May 1996, MCNIC issued $200 million and $130 million,
respectively, of medium-term notes, using the proceeds to repay commercial
paper balances and for general corporate purposes.
 
                                       8
<PAGE>
 
                MANAGEMENT'S DISCUSSION AND ANALYSIS (CONCLUDED)
 
INVESTING ACTIVITIES
 
Capital investments equaled $492.6 million in the 1996 nine-month period
compared to $388.4 million for the same period in 1995. The increase was due to
higher Diversified Energy investments, primarily for E&P expenditures, as well
as the DIGP acquisition. Gas Distribution capital expenditures were incurred
for the construction of transportation pipelines and new distribution lines to
reach communities not previously served by MichCon and to make improvements to
existing systems.
 
MCN completed the sale of Genix (Note 5) and an interest in DIGP (Note 2) in
1996 resulting in proceeds of $173.5 million. Proceeds from these sales were
used to reduce debt incurred to fund Diversified Energy's capital investments.
 
<TABLE>
<CAPTION>
                                                                    9 MONTHS
                                                                 --------------
                                                                  1996   1995
                                                                 ------ -------
<S>                                                              <C>    <C>
CAPITAL INVESTMENTS (in Millions)
Consolidated Capital Expenditures:
 Gas Distribution............................................... $148.2 $ 159.9
 Diversified Energy.............................................  253.6   169.0
 Discontinued Operations........................................    6.5     6.0
                                                                 ------ -------
                                                                  408.3   334.9
                                                                 ------ -------
MCN's Share of Joint Venture Capital Expenditures:
 Cogeneration...................................................    1.0    32.8
 Other..........................................................    4.7    10.3
                                                                 ------ -------
                                                                    5.7    43.1
                                                                 ------ -------
Acquisition (Note 2)............................................   78.6    10.5
                                                                 ------ -------
Minority Partners' Share of Consolidated Capital Expenditures...     --     (.1)
                                                                 ------ -------
Total Capital Investments....................................... $492.6 $ 388.4
                                                                 ====== =======
</TABLE>
 
OUTLOOK
 
Capital investments in 1996 expected to reach $750 million -- MCN's strategic
direction is to grow significantly by investing in a portfolio of energy-
related projects. For 1996, MCN anticipates investing approximately $225
million in Gas Distribution and approximately $525 million in Diversified
Energy. Capital investments in Gas Distribution will be made to add new gas
sales customers, develop new gas transportation markets and make improvements
to existing systems. This includes construction of a 59-mile loop of MichCon's
existing Milford-to-Belle River Pipeline which will improve the overall
reliability and efficiency of MichCon's gas storage and transmission system.
The pipeline is anticipated to be completed in early 1997 at a cost of
approximately $80 million. Within Diversified Energy, approximately $350
million will be invested in E&P projects for drilling operations and to acquire
reserves in the Michigan, Appalachian, Midcontinent, Gulf Coast and Rocky
Mountain regions. Diversified Energy will invest the remaining $175 million in
gas gathering, gas processing and power generation projects. It is management's
opinion that MCN and its subsidiaries will have sufficient capital resources,
both internal and external, to meet anticipated capital requirements.
 
                                       9
<PAGE>

 
                        MCN CORPORATION AND SUBSIDIARIES
            CONSOLIDATED STATEMENT OF FINANCIAL POSITION (UNAUDITED)
                                 (IN THOUSANDS)


<TABLE>
<CAPTION>
                                              SEPTEMBER 30,       DECEMBER 31,
                                          ----------------------  ------------
                                             1996        1995         1995
                                          ----------  ----------  ------------
<S>                                       <C>         <C>         <C>
ASSETS
CURRENT ASSETS
 Cash and cash equivalents, at cost
  (which approximates market value)...... $   35,910  $   16,825   $   19,259
 Accounts receivable, less allowance for
  doubtful accounts of $14,699, $13,325
  and $13,765, respectively..............    211,868     157,702      317,945
 Accrued unbilled revenues...............     22,429      19,081       92,410
 Accrued gas cost recovery revenues......     33,585          --           --
 Gas in inventory........................    153,610     154,987       71,763
 Property taxes assessed applicable to
  future periods.........................     24,455      22,702       60,633
 Other...................................     37,685      36,914       53,486
                                          ----------  ----------   ----------
                                             519,542     408,211      615,496
                                          ----------  ----------   ----------
DEFERRED CHARGES AND OTHER ASSETS
 Investment in and advances to joint
  ventures...............................    138,663      81,227      129,026
 Deferred swap losses and receivables
  (Note 6)...............................     47,364      40,336       54,807
 Deferred postretirement benefit costs...      7,809      15,363       13,112
 Deferred environmental costs (Note 7a)..     31,016          --       35,000
 Prepaid benefit costs...................     49,161      19,270       23,827
 Other...................................     97,334      91,268       90,626
                                          ----------  ----------   ----------
                                             371,347     247,464      346,398
                                          ----------  ----------   ----------
PROPERTY, PLANT AND EQUIPMENT, at cost
 Gas Distribution........................  2,629,067   2,357,248    2,496,711
 Exploration & Production................    819,806     432,124      576,810
 Gas Gathering & Processing..............    106,290      79,460       22,324
 Other...................................     16,907      59,304       64,709
                                          ----------  ----------   ----------
                                           3,572,070   2,928,136    3,160,554
 Less--Accumulated depreciation and
  depletion..............................  1,301,317   1,196,535    1,223,808
                                          ----------  ----------   ----------
                                           2,270,753   1,731,601    1,936,746
                                          ----------  ----------   ----------
                                          $3,161,642  $2,387,276   $2,898,640
                                          ==========  ==========   ==========

LIABILITIES AND SHAREHOLDERS' EQUITY
CURRENT LIABILITIES
 Accounts payable........................ $  216,520  $  130,069   $  217,184
 Notes payable...........................    227,093     150,820      245,635
 Current portion of long-term debt,
  capital lease obligations and
  redeemable cumulative preferred
  securities.............................     84,704       7,226        7,000
 Federal income, property and other taxes
  payable................................     44,221      55,941       83,384
 Customer deposits.......................     10,805      10,294       11,550
 Other...................................     90,444      85,285       87,575
                                          ----------  ----------   ----------
                                             673,787     439,635      652,328
                                          ----------  ----------   ----------
DEFERRED CREDITS AND OTHER LIABILITIES
 Accumulated deferred income taxes.......    152,103     103,137      125,896
 Unamortized investment tax credit.......     35,389      37,270       36,797
 Tax benefits amortizable to customers...    113,112     112,257      114,668
 Deferred swap gains and payables (Note
  6).....................................     41,244      35,574       51,923
 Accrued postretirement benefit costs....         --      17,721       15,551
 Accrued environmental costs (Note 7a)...     35,000          --       35,000
 Minority interest (Note 2)..............     52,002      17,911       18,375
 Other...................................     99,232      80,784       93,470
                                          ----------  ----------   ----------
                                             528,082     404,654      491,680
                                          ----------  ----------   ----------
LONG-TERM DEBT, including capital lease
 obligations (Note 3a)...................  1,054,144     811,546      993,407
                                          ----------  ----------   ----------
REDEEMABLE CUMULATIVE PREFERRED
 SECURITIES OF SUBSIDIARY................     96,542      96,422       96,449
                                          ----------  ----------   ----------
MCN-OBLIGATED MANDATORILY REDEEMABLE
 PREFERRED SECURITIES OF MCN FINANCING
 HOLDING SOLELY JUNIOR SUBORDINATED
 DEBENTURES OF MCN (Note 3c).............     77,218          --           --
                                          ----------  ----------   ----------
COMMITMENTS AND CONTINGENCIES (Notes 3b
 and 7)

COMMON SHAREHOLDERS' EQUITY
 Common stock............................        672         662          664
 Additional paid-in capital..............    465,776     442,460      446,055
 Retained earnings.......................    280,478     192,353      218,425
 PRIDES yield enhancement and issuance
  costs (Note 3b)........................    (14,524)         --           --
 Unearned compensation...................       (533)       (456)        (368)
                                          ----------  ----------   ----------
                                             731,869     635,019      664,776
                                          ----------  ----------   ----------
                                          $3,161,642  $2,387,276   $2,898,640
                                          ==========  ==========   ==========
</TABLE>
 
The notes to the consolidated financial statements are an integral part of this
                                   statement.
 
                                       10

<PAGE>
 
                        MCN CORPORATION AND SUBSIDIARIES
                  CONSOLIDATED STATEMENT OF INCOME (UNAUDITED)
                    (IN THOUSANDS, EXCEPT PER SHARE AMOUNTS)
 
<TABLE>
<CAPTION>
                          THREE MONTHS ENDED     NINE MONTHS ENDED     TWELVE MONTHS ENDED
                             SEPTEMBER 30,         SEPTEMBER 30,          SEPTEMBER 30,
                          --------------------  --------------------  ----------------------
                            1996       1995        1996       1995       1996        1995
                          ---------  ---------  ----------  --------  ----------  ----------
<S>                       <C>        <C>        <C>         <C>       <C>         <C>
OPERATING REVENUES......  $ 245,502  $ 190,691  $1,395,650  $979,122  $1,911,760  $1,370,232
                          ---------  ---------  ----------  --------  ----------  ----------
OPERATING EXPENSES
 Cost of gas............    111,674     79,067     823,171   492,342   1,117,022     710,434
 Operation and
  maintenance...........     89,206     72,487     264,333   243,014     363,840     334,553
 Depreciation, depletion
  and amortization......     38,316     27,736     109,913    83,301     141,197     107,948
 Property and other
  taxes.................     16,371     14,368      55,787    48,311      71,180      61,768
                          ---------  ---------  ----------  --------  ----------  ----------
                            255,567    193,658   1,253,204   866,968   1,693,239   1,214,703
                          ---------  ---------  ----------  --------  ----------  ----------
OPERATING INCOME (LOSS).    (10,065)    (2,967)    142,446   112,154     218,521     155,529
                          ---------  ---------  ----------  --------  ----------  ----------
EQUITY IN EARNINGS OF
 JOINT VENTURES.........      2,347      1,822       8,176     3,889       9,532       4,490
                          ---------  ---------  ----------  --------  ----------  ----------
OTHER INCOME AND
 (DEDUCTIONS)
 Interest income........      2,018      1,782       5,167     6,096       6,812       8,204
 Interest on long-term
  debt..................    (15,999)   (11,828)    (49,861)  (32,974)    (62,513)    (44,503)
 Other interest expense.     (1,761)    (2,181)     (7,244)   (7,993)    (11,300)    (11,638)
 Dividends on preferred
  securities of
  subsidiaries..........     (3,579)    (2,398)     (8,286)   (7,213)    (10,683)     (8,865)
 Minority interest......       (736)      (661)     (1,503)   (1,829)     (2,165)     (2,521)
 Other..................        956       (926)      3,449    (1,598)      2,107      (4,824)
                          ---------  ---------  ----------  --------  ----------  ----------
                            (19,101)   (16,212)    (58,278)  (45,511)    (77,742)    (64,147)
                          ---------  ---------  ----------  --------  ----------  ----------
INCOME (LOSS) FROM
 CONTINUING OPERATIONS
 BEFORE INCOME TAXES....    (26,819)   (17,357)     92,344    70,532     150,311      95,872
INCOME TAX PROVISION
 (BENEFIT)..............    (13,416)    (7,804)     21,486    17,919      38,897      23,492
                          ---------  ---------  ----------  --------  ----------  ----------
INCOME (LOSS) FROM
 CONTINUING OPERATIONS..    (13,403)    (9,553)     70,858    52,613     111,414      72,380
                          ---------  ---------  ----------  --------  ----------  ----------
DISCONTINUED OPERATIONS,
 NET OF TAXES (Note 5)
 Income from operations.         --        926       1,595     2,662       2,520       3,634
 Gain on sale...........         --         --      36,176        --      36,176          --
                          ---------  ---------  ----------  --------  ----------  ----------
                                 --        926      37,771     2,662      38,696       3,634
                          ---------  ---------  ----------  --------  ----------  ----------
NET INCOME (LOSS).......  $ (13,403) $  (8,627) $  108,629  $ 55,275  $  150,110  $   76,014
                          =========  =========  ==========  ========  ==========  ==========
EARNINGS (LOSS) PER
 SHARE
 Continuing Operations..  $    (.20) $    (.14) $     1.06  $    .82  $     1.67  $     1.15
                          ---------  ---------  ----------  --------  ----------  ----------
 Discontinued Operations
  (Note 5)
 Income from operations.         --        .01         .03       .04         .04         .06
 Gain on sale...........         --         --         .54        --         .54          --
                          ---------  ---------  ----------  --------  ----------  ----------
                                 --        .01         .57       .04         .58         .06
                          ---------  ---------  ----------  --------  ----------  ----------
                          $    (.20) $    (.13) $     1.63  $    .86  $     2.25  $     1.21
                          =========  =========  ==========  ========  ==========  ==========
AVERAGE COMMON SHARES
 OUTSTANDING............     67,073     66,103      66,845    64,214      66,711      63,075
                          =========  =========  ==========  ========  ==========  ==========
DIVIDENDS DECLARED PER
 SHARE..................  $   .2325  $   .2225  $    .6975  $  .6675  $    .9300  $    .8900
                          =========  =========  ==========  ========  ==========  ==========
 
            CONSOLIDATED STATEMENT OF RETAINED EARNINGS (UNAUDITED)
                                 (IN THOUSANDS)
 
<CAPTION>
                          THREE MONTHS ENDED     NINE MONTHS ENDED     TWELVE MONTHS ENDED
                             SEPTEMBER 30,         SEPTEMBER 30,          SEPTEMBER 30,
                          --------------------  --------------------  ----------------------
                            1996       1995        1996       1995       1996        1995
                          ---------  ---------  ----------  --------  ----------  ----------
<S>                       <C>        <C>        <C>         <C>       <C>         <C>
BALANCE -- Beginning of
 period.................  $ 309,467  $ 215,801  $  218,425  $179,862  $  192,353  $  172,395
ADD -- Net income
 (loss).................    (13,403)    (8,627)    108,629    55,275     150,110      76,014
                          ---------  ---------  ----------  --------  ----------  ----------
                            296,064    207,174     327,054   235,137     342,463     248,409
DEDUCT -- Cash dividends
 declared on common
 stock..................     15,586     14,821      46,576    42,784      61,985      56,056
                          ---------  ---------  ----------  --------  ----------  ----------
BALANCE -- End of
 period.................  $ 280,478  $ 192,353  $  280,478  $192,353  $  280,478  $  192,353
                          =========  =========  ==========  ========  ==========  ==========
</TABLE>
 
   The notes to the consolidated financial statements are an integral part of
                               these statements.
 
                                       11
<PAGE>
 
                        MCN CORPORATION AND SUBSIDIARIES
                CONSOLIDATED STATEMENT OF CASH FLOWS (UNAUDITED)
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                                                           NINE MONTHS ENDED
                                                             SEPTEMBER 30,
                                                          --------------------
                                                            1996       1995
                                                          ---------  ---------
<S>                                                       <C>        <C>
CASH FLOW FROM OPERATING ACTIVITIES
 Net income.............................................. $ 108,629  $  55,275
 Adjustments to reconcile net income to net cash provided
  from operating activities
 Depreciation, depletion and amortization
  Per statement of income................................   109,913     83,301
  Charged to other accounts and discontinued operations..     9,103     10,565
 Deferred income taxes, current..........................    (5,863)    (5,343)
 Deferred income taxes and investment tax credit, net....    23,243      5,587
 Gain on sale of Genix and DIGP (Notes 2 and 5)..........   (38,767)       --
 Other...................................................    (1,629)     2,936
 Changes in assets and liabilities, exclusive of changes
  shown separately.......................................    (9,793)    89,652
                                                          ---------  ---------
   Net cash provided from operating activities...........   194,836    241,973
                                                          ---------  ---------
CASH FLOW FROM FINANCING ACTIVITIES
 Notes payable, net......................................   (18,542)   (77,987)
 Common stock dividends paid.............................   (46,576)   (42,784)
 Issuance of common stock................................    13,408    110,772
 Issuance of preferred securities (Note 3c)..............    77,218        --
 Issuance of long-term debt (Note 3a)....................   398,540    168,764
 Long-term commercial paper and credit facilities, net...  (256,630)   (39,398)
 Retirement of long-term debt and preferred stock........    (6,839)    (6,987)
 Other...................................................    (6,281)    (1,290)
                                                          ---------  ---------
   Net cash provided from financing activities...........   154,298    111,090
                                                          ---------  ---------
CASH FLOW FROM INVESTING ACTIVITIES
 Capital expenditures....................................  (401,518)  (330,349)
 Sale of Genix (Note 5)..................................   137,500        --
 Acquisition of DIGP (Note 2)............................   (78,620)       --
 Sale of interest in DIGP (Note 2).......................    36,000        --
 Investment in joint ventures............................    (9,942)   (24,119)
 Sale of investment in joint ventures....................       --      10,803
 Other...................................................   (15,903)    (4,120)
                                                          ---------  ---------
   Net cash used for investing activities................  (332,483)  (347,785)
                                                          ---------  ---------
NET INCREASE IN CASH AND CASH EQUIVALENTS................    16,651      5,278
CASH AND CASH EQUIVALENTS, JANUARY 1.....................    19,259     11,547
                                                          ---------  ---------
CASH AND CASH EQUIVALENTS, SEPTEMBER 30.................. $  35,910  $  16,825
                                                          =========  =========
CHANGES IN ASSETS AND LIABILITIES, EXCLUSIVE OF CHANGES
 SHOWN SEPARATELY
 Accounts receivable, net................................ $  82,606  $  55,504
 Accrued unbilled revenues...............................    69,981     63,972
 Gas in inventory........................................   (81,847)   (23,338)
 Property taxes assessed applicable to future periods....    36,178     32,026
 Accrued/deferred gas cost recovery revenues.............   (34,163)   (17,653)
 Accounts payable........................................     7,464    (12,905)
 Federal income, property and other taxes payable........   (72,172)   (31,031)
 Other current assets and liabilities....................     7,444     29,260
 Deferred assets and liabilities.........................   (25,284)    (6,183)
                                                          ---------  ---------
                                                          $  (9,793) $  89,652
                                                          =========  =========
SUPPLEMENTAL DISCLOSURES
 Cash paid during the year for:
 Interest, net of amounts capitalized.................... $  53,152  $  33,428
                                                          =========  =========
 Federal income taxes.................................... $  18,434  $   9,366
                                                          =========  =========
 Noncash investing activities:
 Property purchased under capital leases................. $   6,765  $   3,087
                                                          =========  =========
 Land acquired in exchange for note receivable........... $     --   $   1,480
                                                          =========  =========
</TABLE>
 
The notes to the consolidated financial statements are an integral part of this
                                   statement.
 
                                       12
<PAGE>
 
                       MCN CORPORATION AND SUBSIDIARIES
                NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS
 
1. GENERAL
 
The accompanying consolidated financial statements should be read in
conjunction with MCN's 1995 Annual Report on Form 10-K. Certain
reclassifications have been made to the prior year's financial statements to
conform with the 1996 presentation. In the opinion of management, the
unaudited information furnished herein reflects all adjustments (consisting of
only recurring adjustments or accruals) necessary for a fair presentation of
the financial statements for the periods presented.
 
Because of seasonal and other factors, revenues, expenses, net income and
earnings per share for the interim periods should not be construed as
representative of revenues, expenses, net income and earnings per share for
all or any part of the balance of the current year or succeeding periods.
 
2. ACQUISITION AND DISPOSITION
 
During the first quarter of 1996, MCN acquired a 99% interest in Dauphin
Island Gathering Partners, a general partnership that owns a 90-mile gas
gathering system in the Mobile Bay area of offshore Alabama. The total cost of
the acquisition was $78,620,000 and was accounted for under the purchase
method. In June 1996, MCN sold a 35% interest in the partnership to PanEnergy
Dauphin Island Company (PanEnergy) for $31,500,000. The sale resulted in an
after-tax gain of $2,267,000. In July 1996, MCN sold an additional 5% interest
in the partnership to PanEnergy for $4,500,000, generating an additional
after-tax gain of $324,000.
 
3. CAPITALIZATION
 
  A. LONG-TERM DEBT
 
  The following long-term debt totaling $400,000,000 was issued during 1996:
 
<TABLE>
<CAPTION>
     ISSUE DATE                    DESCRIPTION                          AMOUNT ISSUED
    ---------------------------------------------------------------------------------
     <S>                   <C>                                          <C>
     January 1996          MCNIC Medium-Term Notes
                            5.84%, due February 1999                    $ 80,000,000
                            6.03%, due February 2001                    $ 60,000,000
                            6.32%, due February 2003                    $ 60,000,000
    ---------------------------------------------------------------------------------
     May 1996              MichCon First Mortgage Bonds
                            6.51%, due June 1999                        $ 30,000,000
                            7.15%, due May 2006                         $ 40,000,000
                           MCNIC Medium-Term Notes
                            6.82%, due May 1999                         $130,000,000
    ---------------------------------------------------------------------------------
</TABLE>
 
  B. PREFERRED REDEEMABLE INCREASED DIVIDEND EQUITY SECURITIES (PRIDES)
 
  In April 1996, MCN issued 5,865,000 PRIDES yielding 8 3/4% with a stated
  amount of $23.00 per security. Each security represents a contract to
  purchase MCN common stock in April 1999 (or earlier under certain
  circumstances). Proceeds from the issuance totaling approximately
  $135,000,000 were used to acquire 6.5% U.S. Treasury Notes underlying the
  security as subsequently discussed. Accordingly, MCN received no cash from
  issuing the PRIDES.
 
  Under each security, MCN is obligated to sell and the PRIDES holder is
  obligated to purchase for $23.00, between .8333 of a share and one share of
  MCN common stock. The exact number of MCN common shares to be sold is
  dependent on the market value of a share in April 1999. However, the total
  number to be sold will not be less than 4,887,500 shares or more than
  5,865,000 shares.
 
                                      13
<PAGE>
 
          NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
  MCN is also obligated to pay the PRIDES holders a semi-annual yield
  enhancement payment at an annual rate of 2 1/4% of the stated amount. MCN
  has recorded the present value of the yield enhancement payments totaling
  $8,243,000 as a liability and a reduction to Common Shareholders' Equity on
  MCN's Consolidated Statement of Financial Position. The liability is
  reduced when the yield enhancement payments are paid. MCN has the right to
  defer the yield enhancement payments, in which case MCN cannot declare
  dividends on its common stock until the yield enhancement payments have
  been made. In addition, MCN has incurred costs of $6,281,000 in conjunction
  with the issuance of PRIDES and similarly has recorded them as a reduction
  to Common Shareholders' Equity.
 
  The Treasury Notes underlying the securities are pledged as collateral to
  secure the PRIDES holders' obligation to purchase MCN common stock under
  the stock purchase contract. At maturity in April 1999, the principal
  received from the U.S. Treasury Notes will be used to satisfy the PRIDES
  holders' obligation in full. Neither the PRIDES nor the U.S. Treasury Notes
  are included on MCN's Consolidated Statement of Financial Position.
  However, the issuance of common stock will be reflected when cash proceeds
  totaling approximately $135,000,000 are received by MCN in April 1999.
 
  C. TRUST ORIGINATED PREFERRED SECURITIES (TOPrS)
 
  In July 1996, MCN Financing I (MCN Financing), a business trust wholly
  owned by MCN, issued 3,200,000 shares of 8 5/8% TOPrS, at the liquidation
  preference value of $25 per share. The trust was formed for the sole
  purpose of issuing the preferred securities and lending the gross proceeds
  thereof to MCN. Holders of the preferred securities are entitled to receive
  cumulative dividends at an annual rate of 8 5/8% of the liquidation
  preference value. Dividends are payable quarterly and in substance are tax
  deductible by MCN. Gross proceeds of the issuance totaled $80,000,000 and
  were invested in an equivalent amount of 8 5/8% Junior Subordinated
  Debentures of MCN due 2036. MCN has the right to extend interest payment
  periods on the debentures for up to 20 consecutive quarters, and as a
  consequence, quarterly dividend payments on the preferred securities can be
  deferred by MCN Financing during any such interest payment period. In the
  event that MCN exercises this right, MCN may not declare dividends on its
  common stock. With MCN's consent, the preferred securities are redeemable
  at the option of MCN Financing, in whole or in part, during or after July
  2001. In addition, upon final maturity of the debentures, MCN Financing is
  required to redeem the preferred securities.
 
  In the event of default, holders of the preferred securities will be
  entitled to exercise and enforce MCN Financing's creditor rights against
  MCN, which may include acceleration of the principal amount due on the
  debentures. MCN has issued a guarantee with respect to the preferred
  securities, and when taken together with MCN's obligations under the
  debentures, the related indenture, and the trust documents, provides a full
  and unconditional guarantee of MCN Financing's obligations under the TOPrS.
 
  In October 1996, MCN entered into a five-year variable interest rate swap
  agreement with a notional amount of $80,000,000. The swap agreement
  effectively converts the TOPrS fixed dividend rate into a variable rate
  through October 2001.
 
4. LINES OF CREDIT
 
As discussed in MCN's 1995 Annual Report on Form 10-K, MichCon and MCNIC
maintain credit lines that allow for borrowings of up to $200,000,000 under
364-day revolving credit facilities and up to $450,000,000 under three-year
revolving credit facilities. These credit lines totaling $650,000,000 support
their commercial paper programs. Commercial paper of $293,165,000 was
outstanding as of September 30, 1996, of which $225,138,000 is classified as
short-term. In July 1996, the 364-day revolving credit facilities were
renewed.
 
 
                                      14
<PAGE>
 
          NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
5. DISCONTINUED OPERATIONS
 
On June 21, 1996, MCN completed the sale of its computer operations
subsidiary, The Genix Group, Inc. (Genix), to Affiliated Computer Services,
Inc. (ACS) for an initial sales price of $137,500,000, resulting in an after-
tax gain of $36,176,000. Accordingly, Genix's results of operations after June
21, 1996 are not reflected in the Consolidated Statement of Income. In October
1996, the initial sales price was decreased by $4,600,000 to reflect the
reduction in Genix's working capital between the effective and closing dates
of the transaction. The sales price of Genix could be further adjusted
downward by as much as $40,000,000 depending upon the occurrence of certain
contingencies, which include, among other things, retention of certain
customers through mid-1998 and tax-related matters. The following financial
information summarizes Genix's operations:
 
<TABLE>
<CAPTION>
                          THREE MONTHS ENDED       NINE MONTHS ENDED         TWELVE MONTHS ENDED
                             SEPTEMBER 30,           SEPTEMBER 30,              SEPTEMBER 30,
                         ---------------------  ------------------------  --------------------------
                            1996       1995        1996         1995          1996          1995
(in Thousands)           ---------- ----------  ----------  ------------  ------------  ------------
<S>                      <C>        <C>         <C>         <C>           <C>           <C>
OPERATING REVENUES
 Non-affiliates......... $       -- $   22,559  $   48,054  $     65,303  $     72,658  $     86,224
 Affiliates.............         --      3,967       6,826        11,560        10,520        15,672
                         ---------- ----------  ----------  ------------  ------------  ------------
                                 --     26,526      54,880        76,863        83,178       101,896
                         ---------- ----------  ----------  ------------  ------------  ------------
OPERATING EXPENSES......         --     24,434      50,765        70,680        77,250        93,566
                         ---------- ----------  ----------  ------------  ------------  ------------
OPERATING INCOME........         --      2,092       4,115         6,183         5,928         8,330
                         ---------- ----------  ----------  ------------  ------------  ------------
OTHER INCOME AND
 (DEDUCTIONS)
 Interest expense--
  affiliate.............         --       (596)     (1,110)       (1,577)       (1,621)       (2,023)
 Other..................         --        166        (336)          251          (286)          384
                         ---------- ----------  ----------  ------------  ------------  ------------
                                 --       (430)     (1,446)       (1,326)       (1,907)       (1,639)
                         ---------- ----------  ----------  ------------  ------------  ------------
INCOME BEFORE INCOME
 TAXES..................         --      1,662       2,669         4,857         4,021         6,691
INCOME TAX PROVISION....         --        736       1,074         2,195         1,501         3,057
                         ---------- ----------  ----------  ------------  ------------  ------------
NET INCOME.............. $       -- $      926  $    1,595  $      2,662  $      2,520  $      3,634
                         ========== ==========  ==========  ============  ============  ============
</TABLE>
 
<TABLE>
<CAPTION>
                                           JUNE 21,   SEPTEMBER 30, DECEMBER 31,
                                             1996         1995          1995
(in Thousands)                           ------------ ------------- ------------
<S>                                      <C>          <C>           <C>
ASSETS
 Accounts receivable, net............... $     24,006 $     23,671  $     21,723
 Property, plant and equipment, net.....       33,216       29,427        30,717
 Other..................................       18,335       14,262        15,486
                                         ------------ ------------  ------------
                                         $     75,557 $     67,360  $     67,926
                                         ============ ============  ============
LIABILITIES
 Accounts payable....................... $      9,823 $      7,850  $      7,639
 Notes payable--affiliate...............       27,522       28,179        29,386
 Other..................................       15,578        9,198         9,926
                                         ------------ ------------  ------------
                                         $     52,923 $     45,227  $     46,951
                                         ============ ============  ============
</TABLE>
 
Related party transactions between Genix and other MCN companies are included
in the individual captions of the Consolidated Statement of Income as
components of both continuing and discontinued operations.
 
                                      15
<PAGE>
 
          NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
 
6. ACCOUNTING FOR COMMODITY SWAP AGREEMENTS
 
As discussed in MCN's 1995 Annual Report on Form 10-K, MCN manages commodity
price risk through the use of various derivative instruments and limits the
use of such instruments to hedging activities. If MCN did not use derivative
instruments, its exposure to such risk would be higher. Although this strategy
reduces risk, it also limits potential gains from favorable changes in
commodity prices. Natural gas and oil swap agreements are used to manage
exposure to the risk of market price fluctuations on gas sale contracts, and
gas and oil production. Market value changes of swap contracts are recorded as
deferred gains or losses until the hedged transactions are completed, at which
time the realized gains or losses are included as adjustments to revenues. The
offsets to the unrealized losses are recorded as deferred payables and the
offsets to the unrealized gains are recorded as deferred receivables.
 
The following assets and liabilities related to the use of gas and oil swap
agreements are reflected in the Consolidated Statement of Financial Position:
 
<TABLE>
<CAPTION>
                                                  SEPTEMBER 30,     DECEMBER 31,
                                              --------------------- ------------
<S>                                           <C>        <C>        <C>
(in Thousands)                                   1996       1995        1995
                                              ---------- ----------  ----------
DEFERRED SWAP LOSSES AND RECEIVABLES
 Unrealized losses........................... $   13,642 $   22,856  $   18,084
 Deferred receivables........................     33,722     17,807      37,345
                                              ---------- ----------  ----------
                                                  47,364     40,663      55,429
 Less--Current portion.......................         --        327         622
                                              ---------- ----------  ----------
                                              $   47,364 $   40,336  $   54,807
                                              ========== ==========  ==========
DEFERRED SWAP GAINS AND PAYABLES
 Unrealized gains............................ $   29,822 $   15,768  $   35,514
 Deferred payables...........................     22,778     30,642      25,532
                                              ---------- ----------  ----------
                                                  52,600     46,410      61,046
 Less--Current portion.......................     11,356     10,836       9,123
                                              ---------- ----------  ----------
                                              $   41,244 $   35,574  $   51,923
                                              ========== ==========  ==========
</TABLE>
 
7. COMMITMENTS AND CONTINGENCIES
 
  A. ENVIRONMENTAL MATTERS
 
  As discussed in MCN's 1995 Annual Report on Form 10-K, MCN accrued an
  additional environmental remediation liability and corresponding regulatory
  asset of $35,000,000 in the fourth quarter of 1995. MCN has notified
  current and former insurance carriers of the environmental conditions and
  is pursuing its claims against these carriers. In 1996, MCN received
  payments from certain insurance carriers and expects additional insurance
  recoveries over the next several years. At September 30, 1996, the reserve
  balance is approximately $38,200,000, of which $3,200,000 is classified as
  current.
 
                                      16
<PAGE>
 
           NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)

  B. GUARANTIES
 
  In 1990, MCN issued a guarantee, expiring no later than 2010, in
  conjunction with a Genix building lease. The lease agreement does not allow
  MCN to transfer its obligation under the guarantee to ACS, who acquired
  Genix in June 1996 (Note 5). However, ACS is obligated to reimburse MCN for
  any payments made as a result of this guarantee. Obligations under the
  guarantee approximated $15,300,000 at September 30, 1996.
 
  C. OTHER
 
  MCN is involved in certain legal and administrative proceedings before
  various courts and governmental agencies concerning claims arising in the
  ordinary course of business. Management cannot predict the final
  disposition of such proceedings, but believes that adequate provision has
  been made for probable losses. It is management's belief, after discussion
  with legal counsel, that the ultimate resolution of those proceedings still
  pending will not have a material adverse effect on MCN's financial
  statements.
 
8. ACCOUNTING PRONOUNCEMENT
 
The Financial Accounting Standards Board issued Statement of Financial
Accounting Standards No. 123, "Accounting for Stock-Based Compensation" in
October 1995. The statement requires certain disclosures about stock-based
employee compensation and encourages, but does not require, a fair-value-based
method of accounting for such compensation. MCN is currently evaluating whether
to adopt the fair-value-based method of accounting.
 
9. CONSOLIDATING FINANCIAL STATEMENTS
 
Debt securities issued by MCNIC are subject to a support agreement between MCN
and MCNIC, under which MCN has committed to make payments of interest and
principal on MCNIC's securities in the event of failure to pay by MCNIC. Under
the terms of the support agreement, the assets of MCN, other than MichCon, and
any cash dividends paid to MCN by any of its subsidiaries are available as
recourse to holders of MCNIC's securities. The carrying value of MCN's assets
on an unconsolidated basis, primarily investments in its subsidiaries other
than MichCon, is $391,211,000 at September 30, 1996.
 
The following MCN consolidating financial statements are presented and include
separately MCNIC, MichCon and MCN and other subsidiaries. MCN has determined
that separate financial statements and other disclosures concerning MCNIC are
not material to investors. The other MCN subsidiaries represent Citizens Gas
Fuel Company, Blue Lake Holdings, Inc., MCN Michigan Limited Partnership and
MCN Financing.
 
 
                                       17
<PAGE>
 
                        MCN CORPORATION AND SUBSIDIARIES
           NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
           CONSOLIDATING STATEMENT OF FINANCIAL POSITION (UNAUDITED)
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                            MCN AND                                 ELIMINATIONS  
                             OTHER                                       AND        CONSOLIDATED
                          SUBSIDIARIES     MCNIC       MICHCON    RECLASSIFICATIONS    TOTALS
                          ------------  ------------ ------------ ----------------- ------------
                                                   SEPTEMBER 30, 1996
                          ----------------------------------------------------------------------
<S>                       <C>           <C>          <C>          <C>               <C>
ASSETS
CURRENT ASSETS
 Cash and cash
  equivalents, at cost..  $         --  $     17,627 $     18,282   $          1    $     35,910
 Accounts receivable....         5,163        96,026      133,899         (8,521)        226,567
 Less -- Allowance for
  doubtful accounts.....            67           520       14,112             --          14,699
                          ------------  ------------ ------------   ------------    ------------
 Accounts receivable,
  net...................         5,096        95,506      119,787         (8,521)        211,868
 Accrued unbilled
  revenue...............           232            --       22,197             --          22,429
 Accrued gas cost
  recovery revenues.....            --            --       33,585             --          33,585
 Gas in inventory.......            --        51,868      101,742             --         153,610
 Property taxes assessed
  applicable to future
  periods...............           107           892       23,456             --          24,455
 Other..................         1,726        15,554       22,602         (2,197)         37,685
                          ------------  ------------ ------------   ------------    ------------
                                 7,161       181,447      341,651        (10,717)        519,542
                          ------------  ------------ ------------   ------------    ------------
DEFERRED CHARGES AND
 OTHER ASSETS
 Investments in and
  advances to joint
  ventures and
  subsidiaries..........       925,538       109,928       20,357       (917,160)        138,663
 Deferred swap losses
  and receivables.......            --        47,364           --             --          47,364
 Deferred postretirement
  benefit costs.........           706            --        7,103             --           7,809
 Deferred environmental
  costs.................         3,000            --       28,016             --          31,016
 Prepaid benefit costs..            --            --       54,103         (4,942)         49,161
 Other..................         8,321        39,839       48,660            514          97,334
                          ------------  ------------ ------------   ------------    ------------
                               937,565       197,131      158,239       (921,588)        371,347
                          ------------  ------------ ------------   ------------    ------------
PROPERTY, PLANT AND
 EQUIPMENT, at cost.....        30,404       932,571    2,609,095             --       3,572,070
 Less--Accumulated
  depreciation and
  depletion.............        10,476        69,832    1,221,009             --       1,301,317
                          ------------  ------------ ------------   ------------    ------------
                                19,928       862,739    1,388,086             --       2,270,753
                          ------------  ------------ ------------   ------------    ------------
                          $    964,654  $  1,241,317 $  1,887,976   $   (932,305)   $  3,161,642
                          ============  ============ ============   ============    ============
LIABILITIES AND
 SHAREHOLDERS' EQUITY
CURRENT LIABILITIES
 Accounts payable.......  $      7,892  $    117,440 $     99,223   $     (8,035)   $    216,520
 Notes payable..........            --        33,080      194,013             --         227,093
 Current portion of
  long-term debt,
  capital lease
  obligations and
  redeemable cumulative
  preferred securities..            55        31,436       53,213             --          84,704
 Federal income,
  property and other
  taxes payable.........        (3,559)       14,539       33,241             --          44,221
 Customer deposits......            18            --       10,787             --          10,805
 Other..................         6,758        34,997       50,885         (2,196)         90,444
                          ------------  ------------ ------------   ------------    ------------
                                11,164       231,492      441,362        (10,231)        673,787
                          ------------  ------------ ------------   ------------    ------------
DEFERRED CREDITS AND
 OTHER LIABILITIES
 Accumulated deferred
  income taxes..........        (1,285)       70,228       83,160             --         152,103
 Unamortized investment
  tax credit............           339            --       35,050             --          35,389
 Tax benefits
  amortizable to
  customers.............           182            --      112,930             --         113,112
 Deferred swap gains and
  payables..............            --        41,244           --             --          41,244
 Accrued environmental
  costs.................         3,000            --       32,000             --          35,000
 Minority interest......            --        33,499       18,503             --          52,002
 Other..................        28,474        15,862       59,838         (4,942)         99,232
                          ------------  ------------ ------------   ------------    ------------
                                30,710       160,833      341,481         (4,942)        528,082
                          ------------  ------------ ------------   ------------    ------------
LONG-TERM DEBT,
 including capital lease
 obligations............           365       502,525      551,254             --       1,054,144
                          ------------  ------------ ------------   ------------    ------------
REDEEMABLE CUMULATIVE
 PREFERRED SECURITIES OF
 SUBSIDIARY.............        96,542            --           --             --          96,542
                          ------------  ------------ ------------   ------------    ------------
MCN-OBLIGATED
 MANDATORILY REDEEMABLE
 PREFERRED SECURITIES OF
 MCN FINANCING..........        77,218            --           --             --          77,218
                          ------------  ------------ ------------   ------------    ------------
COMMON SHAREHOLDERS'
 EQUITY
 Common Stock...........           672             5       10,300        (10,305)            672
 Additional paid-in
  capital...............       471,868       238,721      230,399       (475,212)        465,776
 Retained earnings......       291,172       107,741      313,180       (431,615)        280,478
 PRIDES yield
  enhancement and
  issuance costs........       (14,524)           --           --             --         (14,524)
 Unearned compensation..          (533)           --           --             --            (533)
                          ------------  ------------ ------------   ------------    ------------
                               748,655       346,467      553,879       (917,132)        731,869
                          ------------  ------------ ------------   ------------    ------------
                          $    964,654  $  1,241,317 $  1,887,976   $   (932,305)   $  3,161,642
                          ============  ============ ============   ============    ============
</TABLE>
 
                                       18
<PAGE>
 
                        MCN CORPORATION AND SUBSIDIARIES
           NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
           CONSOLIDATING STATEMENT OF FINANCIAL POSITION (UNAUDITED)
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                            MCN AND                                  ELIMINATIONS
                             OTHER                                       AND        CONSOLIDATED
                          SUBSIDIARIES     MCNIC       MICHCON    RECLASSIFICATIONS    TOTALS
                          ------------  ------------ ------------ ----------------- ------------
                                                   SEPTEMBER 30, 1995
                          ----------------------------------------------------------------------
<S>                       <C>           <C>          <C>          <C>               <C>
ASSETS
CURRENT ASSETS
 Cash and cash
  equivalents, at cost..  $         36  $     12,135 $      3,213   $      1,441    $     16,825
 Accounts receivable....         2,742        71,869      104,159         (7,743)        171,027
 Less -- Allowance for
  doubtful accounts.....            80           520       12,725            --           13,325
                          ------------  ------------ ------------   ------------    ------------
 Accounts receivable,
  net...................         2,662        71,349       91,434         (7,743)        157,702
 Accrued unbilled
  revenue...............           266           --        18,815            --           19,081
 Gas in inventory.......           --         62,479       92,508            --          154,987
 Property taxes assessed
  applicable to future
  periods...............            91           993       21,618            --           22,702
 Other..................           801         7,002       28,338            773          36,914
                          ------------  ------------ ------------   ------------    ------------
                                 3,856       153,958      255,926         (5,529)        408,211
                          ------------  ------------ ------------   ------------    ------------
DEFERRED CHARGES AND
 OTHER ASSETS
 Investments in and
  advances to joint
  ventures and
  subsidiaries..........       738,410        49,306       19,742       (726,231)         81,227
 Deferred swap losses
  and receivables.......           --         40,336          --             --           40,336
 Deferred postretirement
  benefit costs.........           750           --        14,613            --           15,363
 Prepaid benefit costs..           --            --        20,770         (1,500)         19,270
 Other..................         7,370        41,819       41,448            631          91,268
                          ------------  ------------ ------------   ------------    ------------
                               746,530       131,461       96,573       (727,100)        247,464
                          ------------  ------------ ------------   ------------    ------------
PROPERTY, PLANT AND
 EQUIPMENT, at cost.....        26,021       563,141    2,338,974            --        2,928,136
 Less -- Accumulated
  depreciation and
  depletion.............         9,298        52,213    1,135,024            --        1,196,535
                          ------------  ------------ ------------   ------------    ------------
                                16,723       510,928    1,203,950            --        1,731,601
                          ------------  ------------ ------------   ------------    ------------
                              $767,109  $    796,347 $  1,556,449   $   (732,629)   $  2,387,276
                          ============  ============ ============   ============    ============
LIABILITIES AND
 SHAREHOLDERS' EQUITY
CURRENT LIABILITIES
 Accounts payable.......  $      1,979  $     63,339 $     69,691   $     (4,940)   $    130,069
 Notes payable..........           --         39,000      111,820            --          150,820
 Current portion of
  long-term debt,
  capital lease
  obligations and
  redeemable cumulative
  preferred securities..           485         2,805        3,936            --            7,226
 Federal income,
  property and other
  taxes payable.........        (2,447)       13,202       45,186            --           55,941
 Customer deposits......            17           --        10,277            --           10,294
 Other..................         3,711        24,462       57,107              5          85,285
                          ------------  ------------ ------------   ------------    ------------
                                 3,745       142,808      298,017         (4,935)        439,635
                          ------------  ------------ ------------   ------------    ------------
DEFERRED CREDITS AND
 OTHER LIABILITIES
 Accumulated deferred
  income taxes..........          (685)       42,886       60,863             73         103,137
 Unamortized investment
  tax credit............           368           --        36,902            --           37,270
 Tax benefits
  amortizable to
  customers.............           172           --       112,085            --          112,257
 Deferred swap gains and
  payables..............           --         35,574          --             --           35,574
 Accrued postretirement
  benefit costs.........         2,125         1,059       14,537            --           17,721
 Minority interest......           --         17,911          --             --           17,911
 Other..................        14,457         7,801       60,025         (1,499)         80,784
                          ------------  ------------ ------------   ------------    ------------
                                16,437       105,231      284,412         (1,426)        404,654
                          ------------  ------------ ------------   ------------    ------------
LONG-TERM DEBT,
 including capital lease
 obligations............           425       294,086      517,035            --          811,546
                          ------------  ------------ ------------   ------------    ------------
REDEEMABLE CUMULATIVE
 PREFERRED SECURITIES OF
 SUBSIDIARY.............        96,422           --           --             --           96,422
                          ------------  ------------ ------------   ------------    ------------
COMMON SHAREHOLDERS'
 EQUITY
 Common Stock...........           662             5       10,300        (10,305)            662
 Additional paid-in
  capital...............       449,352       210,122      211,777       (428,791)        442,460
 Retained earnings......       200,522        44,095      234,908       (287,172)        192,353
 Unearned compensation..          (456)          --           --             --             (456)
                          ------------  ------------ ------------   ------------    ------------
                               650,080       254,222      456,985       (726,268)        635,019
                          ------------  ------------ ------------   ------------    ------------
                          $    767,109  $    796,347 $  1,556,449   $   (732,629)   $  2,387,276
                          ============  ============ ============   ============    ============
</TABLE>
 
 
                                       19
<PAGE>
 
                        MCN CORPORATION AND SUBSIDIARIES
           NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
           CONSOLIDATING STATEMENT OF FINANCIAL POSITION (UNAUDITED)
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                            MCN AND                                ELIMINATIONS   
                             OTHER                                     AND        CONSOLIDATED
                          SUBSIDIARIES    MCNIC      MICHCON    RECLASSIFICATIONS    TOTALS
                          ------------  ----------  ----------  ----------------- ------------
                                                  DECEMBER 31, 1995
                          --------------------------------------------------------------------
<S>                       <C>           <C>         <C>         <C>               <C>
ASSETS
CURRENT ASSETS
 Cash and cash
  equivalents, at cost..   $      168   $   10,622  $    8,469      $       --     $   19,259
 Accounts receivable....        4,934      147,510     188,353          (9,087)       331,710
 Less -- Allowance for
  doubtful accounts.....           70          445      13,250              --         13,765
                           ----------   ----------  ----------      ----------     ----------
 Accounts receivable,
  net...................        4,864      147,065     175,103          (9,087)       317,945
 Accrued unbilled
  revenue...............        1,276           --      91,134              --         92,410
 Gas in inventory.......           --       31,572      40,191              --         71,763
 Property taxes assessed
  applicable to future
  periods...............          176        3,508      56,949              --         60,633
 Other..................          596       30,417      32,498         (10,025)        53,486
                           ----------   ----------  ----------      ----------     ----------
                                7,080      223,184     404,344         (19,112)       615,496
                           ----------   ----------  ----------      ----------     ----------
DEFERRED CHARGES AND
 OTHER ASSETS
 Investments in and
  advances to joint
  ventures and
  subsidiaries..........      773,344      100,483      20,318        (765,119)       129,026
 Deferred swap losses
  and receivables.......           --       54,807          --              --         54,807
 Deferred postretirement
  benefit costs.........          740           --      12,372              --         13,112
 Deferred environmental
  costs.................        3,000           --      32,000              --         35,000
 Prepaid benefit costs..           --           --      25,438          (1,611)        23,827
 Other..................        7,501       39,949      42,061           1,115         90,626
                           ----------   ----------  ----------      ----------     ----------
                              784,585      195,239     132,189        (765,615)       346,398
                           ----------   ----------  ----------      ----------     ----------
PROPERTY, PLANT AND
 EQUIPMENT, at cost.....       27,784      719,650   2,413,120              --      3,160,554
 Less -- Accumulated
  depreciation and
  depletion.............        9,732       62,916   1,151,160              --      1,223,808
                           ----------   ----------  ----------      ----------     ----------
                               18,052      656,734   1,261,960              --      1,936,746
                           ----------   ----------  ----------      ----------     ----------
                           $  809,717   $1,075,157  $1,798,493      $ (784,727)    $2,898,640
                           ==========   ==========  ==========      ==========     ==========
LIABILITIES AND
 SHAREHOLDERS' EQUITY
CURRENT LIABILITIES
 Accounts payable.......   $    4,489   $  112,630  $  108,208      $   (8,143)    $  217,184
 Notes payable..........           --       49,000     196,635              --        245,635
 Current portion of
  long-term debt,
  capital lease
  obligations and
  redeemable cumulative
  preferred securities..           55        2,976       3,969              --          7,000
 Federal income,
  property and other
  taxes payable.........        1,372        6,180      85,195          (9,363)        83,384
 Customer deposits......           19           --      11,531              --         11,550
 Other..................        2,935       20,715      64,587            (662)        87,575
                           ----------   ----------  ----------      ----------     ----------
                                8,870      191,501     470,125         (18,168)       652,328
                           ----------   ----------  ----------      ----------     ----------
DEFERRED CREDITS AND
 OTHER LIABILITIES
 Accumulated deferred
  income taxes..........         (590)      65,341      61,146              (1)       125,896
 Unamortized investment
  tax credit............          360           --      36,437              --         36,797
 Tax benefits
  amortizable to
  customers.............          181           --     114,487              --        114,668
 Deferred swap gains and
  payables..............           --       51,923          --              --         51,923
 Accrued postretirement
  benefit costs.........        2,177          713      12,661              --         15,551
 Accrued environmental
  costs.................        3,000           --      32,000              --         35,000
 Minority interest......           --       18,375          --              --         18,375
 Other..................       18,175       11,546      65,252          (1,503)        93,470
                           ----------   ----------  ----------      ----------     ----------
                               23,303      147,898     321,983          (1,504)       491,680
                           ----------   ----------  ----------      ----------     ----------
LONG-TERM DEBT,
 including capital lease
 obligations............          420      476,424     516,564              (1)       993,407
                           ----------   ----------  ----------      ----------     ----------
REDEEMABLE CUMULATIVE
 PREFERRED SECURITIES OF
 SUBSIDIARY.............       96,449           --          --              --         96,449
                           ----------   ----------  ----------      ----------     ----------
COMMON SHAREHOLDERS'
 EQUITY
 Common Stock...........          664            5      10,300         (10,305)           664
 Additional paid-in
  capital...............      453,220      207,103     211,777        (426,045)       446,055
 Retained earnings......      227,159       52,226     267,744        (328,704)       218,425
 Unearned compensation..         (368)          --          --              --           (368)
                           ----------   ----------  ----------      ----------     ----------
                              680,675      259,334     489,821        (765,054)       664,776
                           ----------   ----------  ----------      ----------     ----------
                           $  809,717   $1,075,157  $1,798,493      $ (784,727)    $2,898,640
                           ==========   ==========  ==========      ==========     ==========
</TABLE>
 
                                       20
<PAGE>
 
                        MCN CORPORATION AND SUBSIDIARIES
           NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                 CONSOLIDATING STATEMENTS OF INCOME (UNAUDITED)
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                            MCN AND                          ELIMINATIONS
                             OTHER                                AND        CONSOLIDATED
                          SUBSIDIARIES  MCNIC    MICHCON   RECLASSIFICATIONS    TOTALS
                          ------------ --------  --------  ----------------- ------------
                                      THREE MONTHS ENDED SEPTEMBER 30, 1996
                          ---------------------------------------------------------------
<S>                       <C>          <C>       <C>       <C>               <C>
OPERATING REVENUES......   $   1,726   $127,904  $117,251      $ (1,379)      $ 245,502
                           --------    --------  --------      --------       --------
OPERATING EXPENSES
 Cost of gas............         964     82,474    29,163          (927)        111,674
 Operation and
  maintenance...........         416     20,514    68,727          (451)         89,206
 Depreciation, depletion
  and amortization......         488     12,998    24,830            --          38,316
 Property and other
  taxes.................         418      2,792    13,161            --          16,371
                           --------    --------  --------      --------       --------
                               2,286    118,778   135,881        (1,378)        255,567
                           --------    --------  --------      --------       --------
OPERATING INCOME (LOSS).        (560)     9,126   (18,630)           (1)        (10,065)
                           --------    --------  --------      --------       --------
EQUITY IN EARNINGS
 (LOSS) OF JOINT
 VENTURES AND
 SUBSIDIARIES...........     (12,166)     2,055       203        12,255           2,347
                           --------    --------  --------      --------       --------
OTHER INCOME AND
 (DEDUCTIONS)
 Interest income........       3,689        582     1,401        (3,654)          2,018
 Interest on long-term
  debt..................          (1)    (4,985)  (11,013)           --         (15,999)
 Other interest expense.        (136)    (4,061)   (1,217)        3,653          (1,761)
 Dividends on preferred
  securities of
  subsidiaries..........          --         --        --        (3,579)         (3,579)
 Minority interest......          --       (405)     (332)            1            (736)
 Other..................          15        277       664            --             956
                           --------    --------  --------      --------       --------
                               3,567     (8,592)  (10,497)       (3,579)        (19,101)
                           --------    --------  --------      --------       --------
INCOME (LOSS) FROM
 CONTINUING OPERATIONS
 BEFORE INCOME TAXES....      (9,159)     2,589   (28,924)        8,675         (26,819)
INCOME TAX PROVISION
 (BENEFIT)..............           9     (2,938)  (10,487)           --         (13,416)
                           --------    --------  --------      --------       --------
INCOME (LOSS) FROM
 CONTINUING OPERATIONS..      (9,168)     5,527   (18,437)        8,675         (13,403)
                           --------    --------  --------      --------       --------
DISCONTINUED OPERATIONS,
 NET OF TAXES
 Income from operations.          --         --        --            --              --
 Gain on sale...........          --         --        --            --              --
                           --------    --------  --------      --------       --------
                                  --         --        --            --              --
                           --------    --------  --------      --------       --------
NET INCOME (LOSS).......      (9,168)     5,527   (18,437)        8,675         (13,403)
DIVIDENDS ON PREFERRED
 SECURITIES.............       3,579         --        --        (3,579)             --
                           --------    --------  --------      --------       --------
NET INCOME (LOSS)
 AVAILABLE FOR COMMON
 STOCK..................   $ (12,747)  $  5,527  $(18,437)     $ 12,254       $ (13,403)
                           ========    ========  ========      ========       ========
<CAPTION>
                                      THREE MONTHS ENDED SEPTEMBER 30, 1995
                          ---------------------------------------------------------------
<S>                       <C>          <C>       <C>       <C>               <C>
OPERATING REVENUES......   $   1,472   $ 82,870  $107,522      $ (1,173)      $ 190,691
                           --------    --------  --------      --------       --------
OPERATING EXPENSES
 Cost of gas............         639     58,127    20,963          (662)         79,067
 Operation and
  maintenance...........         517     11,731    60,750          (511)         72,487
 Depreciation, depletion
  and amortization......         424      5,205    22,107            --          27,736
 Property and other
  taxes.................         262      1,308    12,798            --          14,368
                           --------    --------  --------      --------       --------
                               1,842     76,371   116,618        (1,173)        193,658
                           --------    --------  --------      --------       --------
OPERATING INCOME (LOSS).        (370)     6,499    (9,096)           --          (2,967)
                           --------    --------  --------      --------       --------
EQUITY IN EARNINGS
 (LOSS) OF JOINT
 VENTURES AND
 SUBSIDIARIES...........      (7,583)     1,431       123         7,851           1,822
                           --------    --------  --------      --------       --------
OTHER INCOME AND
 (DEDUCTIONS)
 Interest income........       2,398        861       765        (2,242)          1,782
 Interest on long-term
  debt..................         (20)    (2,083)   (9,726)            1         (11,828)
 Other interest expense.         (15)    (3,761)     (774)        2,369          (2,181)
 Dividends on preferred
  securities of
  subsidiaries..........          --         --        --        (2,398)         (2,398)
 Minority interest......          --       (660)       --            (1)           (661)
 Other..................         (67)        26      (758)         (127)           (926)
                           --------    --------  --------      --------       --------
                               2,296     (5,617)  (10,493)       (2,398)        (16,212)
                           --------    --------  --------      --------       --------
INCOME (LOSS) FROM
 CONTINUING OPERATIONS
 BEFORE INCOME TAXES....      (5,657)     2,313   (19,466)        5,453         (17,357)
INCOME TAX PROVISION
 (BENEFIT)..............         130     (1,797)   (6,138)            1          (7,804)
                           --------    --------  --------      --------       --------
INCOME (LOSS) FROM
 CONTINUING OPERATIONS..      (5,787)     4,110   (13,328)        5,452          (9,553)
DISCONTINUED OPERATIONS,
 NET OF TAXES...........          --        926        --            --             926
                           --------    --------  --------      --------       --------
NET INCOME (LOSS).......      (5,787)     5,036   (13,328)        5,452          (8,627)
DIVIDENDS ON PREFERRED
 SECURITIES.............       2,344         --        54        (2,398)             --
                           --------    --------  --------      --------       --------
NET INCOME (LOSS)
 AVAILABLE FOR COMMON
 STOCK..................   $  (8,131)  $  5,036  $(13,382)     $  7,850       $  (8,627)
                           ========    ========  ========      ========       ========
</TABLE>
 
                                       21
<PAGE>
 
                        MCN CORPORATION AND SUBSIDIARIES
           NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                 CONSOLIDATING STATEMENTS OF INCOME (UNAUDITED)
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                            MCN AND                          ELIMINATIONS  
                             OTHER                               AND         CONSOLIDATED
                          SUBSIDIARIES  MCNIC    MICHCON   RECLASSIFICATIONS    TOTALS
                          ------------ --------  --------  ----------------- ------------
                                      NINE MONTHS ENDED SEPTEMBER 30, 1996
                          ---------------------------------------------------------------
<S>                       <C>          <C>       <C>       <C>               <C>
OPERATING REVENUES......   $  11,872   $521,962  $870,970      $  (9,154)     $1,395,650
                           --------    --------  --------      ---------      ----------
OPERATING EXPENSES
 Cost of gas............       6,275    396,002   427,560         (6,666)        823,171
 Operation and
  maintenance...........       1,230     56,881   208,710         (2,488)        264,333
 Depreciation, depletion
  and amortization......       1,436     34,514    73,963             --         109,913
 Property and other
  taxes.................       1,281      7,733    46,773             --          55,787
                           --------    --------  --------      ---------      ----------
                              10,222    495,130   757,006         (9,154)      1,253,204
                           --------    --------  --------      ---------      ----------
OPERATING INCOME........       1,650     26,832   113,964             --         142,446
                           --------    --------  --------      ---------      ----------
EQUITY IN EARNINGS OF
 JOINT VENTURES AND
 SUBSIDIARIES...........     110,486      6,905       698       (109,913)          8,176
                           --------    --------  --------      ---------      ----------
OTHER INCOME AND
 (DEDUCTIONS)
 Interest income........       8,482      2,458     2,620         (8,393)          5,167
 Interest on long-term
  debt..................         (20)   (18,836)  (31,005)            --         (49,861)
 Other interest expense.        (246)   (10,398)   (4,992)         8,392          (7,244)
 Dividends on preferred
  securities of
  subsidiaries..........          --         --        --         (8,286)         (8,286)
 Minority interest......          --       (470)   (1,034)             1          (1,503)
 Other..................        (175)     3,142       482             --           3,449
                           --------    --------  --------      ---------      ----------
                               8,041    (24,104)  (33,929)        (8,286)        (58,278)
                           --------    --------  --------      ---------      ----------
INCOME FROM CONTINUING
 OPERATIONS BEFORE
 INCOME TAXES...........     120,177      9,633    80,733       (118,199)         92,344
INCOME TAX PROVISION
 (BENEFIT)..............       1,318     (8,111)   28,279             --          21,486
                           --------    --------  --------      ---------      ----------
INCOME FROM CONTINUING
 OPERATIONS.............     118,859     17,744    52,454       (118,199)         70,858
                           --------    --------  --------      ---------      ----------
DISCONTINUED OPERATIONS,
 NET OF TAXES
 Income from operations.          --      1,595        --             --           1,595
 Gain on sale...........          --     36,176        --             --          36,176
                           --------    --------  --------      ---------      ----------
                                  --     37,771        --             --          37,771
                           --------    --------  --------      ---------      ----------
NET INCOME..............     118,859     55,515    52,454       (118,199)        108,629
DIVIDENDS ON PREFERRED
 SECURITIES.............       8,268         --        18         (8,286)             --
                           --------    --------  --------      ---------      ----------
NET INCOME AVAILABLE FOR
 COMMON STOCK...........   $ 110,591   $ 55,515  $ 52,436      $(109,913)     $  108,629
                           ========    ========  ========      =========      ==========
<CAPTION>
                                      NINE MONTHS ENDED SEPTEMBER 30, 1995
                          ---------------------------------------------------------------
<S>                       <C>          <C>       <C>       <C>               <C>
OPERATING REVENUES......   $   9,953   $263,483  $714,302      $  (8,616)     $  979,122
                           --------    --------  --------      ---------      ----------
OPERATING EXPENSES
 Cost of gas............       4,522    189,253   303,130         (4,563)        492,342
 Operation and
  maintenance...........       3,388     32,926   210,753         (4,053)        243,014
 Depreciation, depletion
  and amortization......       1,236     15,077    66,988             --          83,301
 Property and other
  taxes.................       1,031      3,793    43,487             --          48,311
                           --------    --------  --------      ---------      ----------
                              10,177    241,049   624,358         (8,616)        866,968
                           --------    --------  --------      ---------      ----------
OPERATING INCOME (LOSS).        (224)    22,434    89,944             --         112,154
                           --------    --------  --------      ---------      ----------
EQUITY IN EARNINGS OF
 JOINT VENTURES AND
 SUBSIDIARIES...........      56,908      2,495       499        (56,013)          3,889
                           --------    --------  --------      ---------      ----------
OTHER INCOME AND
 (DEDUCTIONS)
 Interest income........       7,287      2,706     2,764         (6,661)          6,096
 Interest on long-term
  debt..................         (63)    (6,502)  (26,410)             1         (32,974)
 Other interest expense.         (39)   (10,637)   (4,425)         7,108          (7,993)
 Dividends on preferred
  securities of
  subsidiaries..........          --         --        --         (7,213)         (7,213)
 Minority interest......          --     (1,829)       --             --          (1,829)
 Other..................       1,524       (336)   (2,337)          (449)         (1,598)
                           --------    --------  --------      ---------      ----------
                               8,709    (16,598)  (30,408)        (7,214)        (45,511)
                           --------    --------  --------      ---------      ----------
INCOME FROM CONTINUING
 OPERATIONS BEFORE
 INCOME TAXES...........      65,393      8,331    60,035        (63,227)         70,532
INCOME TAX PROVISION
 (BENEFIT)..............       1,425     (4,708)   21,201              1          17,919
                           --------    --------  --------      ---------      ----------
INCOME FROM CONTINUING
 OPERATIONS.............      63,968     13,039    38,834        (63,228)         52,613
DISCONTINUED OPERATIONS,
 NET OF TAXES...........          --      2,662        --             --           2,662
                           --------    --------  --------      ---------      ----------
NET INCOME..............      63,968     15,701    38,834        (63,228)         55,275
DIVIDENDS ON PREFERRED
 SECURITIES.............       7,031         --       182         (7,213)             --
                           --------    --------  --------      ---------      ----------
NET INCOME AVAILABLE FOR
 COMMON STOCK...........   $  56,937   $ 15,701  $ 38,652      $ (56,015)     $   55,275
                           ========    ========  ========      =========      ==========
</TABLE>
 
                                       22
<PAGE>
 
                        MCN CORPORATION AND SUBSIDIARIES
           NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (CONTINUED)
                 CONSOLIDATING STATEMENTS OF INCOME (UNAUDITED)
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                              MCN                               ELIMINATIONS
                           AND OTHER                                 AND        CONSOLIDATED
                          SUBSIDIARIES  MCNIC     MICHCON     RECLASSIFICATIONS    TOTALS
                          ------------ --------  ----------   ----------------- ------------
                                      TWELVE MONTHS ENDED SEPTEMBER 30, 1996
                          ------------------------------------------------------------------
<S>                       <C>          <C>       <C>          <C>               <C>
OPERATING REVENUES......   $  17,081   $670,178  $1,237,481       $ (12,980)     $1,911,760
                           --------    --------  ----------       ---------      ----------
OPERATING EXPENSES
 Cost of gas............       9,204    509,022     608,392          (9,596)      1,117,022
 Operation and
  maintenance...........       1,869     72,974     292,381          (3,384)        363,840
 Depreciation, depletion
  and amortization......       1,871     43,223      96,103              --         141,197
 Property and other
  taxes.................       1,580      9,302      60,298              --          71,180
                           --------    --------  ----------       ---------      ----------
                              14,524    634,521   1,057,174         (12,980)      1,693,239
                           --------    --------  ----------       ---------      ----------
OPERATING INCOME........       2,557     35,657     180,307              --         218,521
                           --------    --------  ----------       ---------      ----------
EQUITY IN EARNINGS OF
 JOINT VENTURES AND
 SUBSIDIARIES...........     152,329      7,710         938        (151,445)          9,532
                           --------    --------  ----------       ---------      ----------
OTHER INCOME AND
 (DEDUCTIONS)
 Interest income........      10,880      3,303       3,839         (11,210)          6,812
 Interest on long-term
  debt..................         (33)   (22,064)    (40,415)             (1)        (62,513)
 Other interest expense.        (260)   (14,182)     (7,620)         10,762         (11,300)
 Dividends on preferred
  securities of
  subsidiaries..........          --         --          --         (10,683)        (10,683)
 Minority interest......          --     (1,132)     (1,034)              1          (2,165)
 Other..................        (216)     4,464      (2,590)            449           2,107
                           --------    --------  ----------       ---------      ----------
                              10,371    (29,611)    (47,820)        (10,682)        (77,742)
                           --------    --------  ----------       ---------      ----------
INCOME FROM CONTINUING
 OPERATIONS BEFORE
 INCOME TAXES...........     165,257     13,756     133,425        (162,127)        150,311
INCOME TAX PROVISION
 (BENEFIT)..............       2,011    (11,195)     48,082              (1)         38,897
                           --------    --------  ----------       ---------      ----------
INCOME FROM CONTINUING
 OPERATIONS.............     163,246     24,951      85,343        (162,126)        111,414
                           --------    --------  ----------       ---------      ----------
DISCONTINUED OPERATIONS,
 NET OF TAXES
 Income from operations.          --      2,520          --              --           2,520
 Gain on sale...........          --     36,176          --              --          36,176
                           --------    --------  ----------       ---------      ----------
                                  --     38,696          --              --          38,696
                           --------    --------  ----------       ---------      ----------
NET INCOME..............     163,246     63,647      85,343        (162,126)        150,110
DIVIDENDS ON PREFERRED
 SECURITIES.............      10,612        --           71         (10,683)            --
                           --------    --------  ----------       ---------      ----------
NET INCOME AVAILABLE FOR
 COMMON STOCK...........   $ 152,634   $ 63,647  $   85,272       $(151,443)     $  150,110
                           ========    ========  ==========       =========      ==========
<CAPTION>
                                      TWELVE MONTHS ENDED SEPTEMBER 30, 1995
                          ------------------------------------------------------------------
<S>                       <C>          <C>       <C>          <C>               <C>
OPERATING REVENUES......   $  13,984   $355,459  $1,012,478       $ (11,689)     $1,370,232
                           --------    --------  ----------       ---------      ----------
OPERATING EXPENSES
 Cost of gas............       6,316    262,291     448,016          (6,189)        710,434
 Operation and
  maintenance...........       2,609     39,810     297,688          (5,554)        334,553
 Depreciation, depletion
  and amortization......       1,590     18,877      87,481              --         107,948
 Property and other
  taxes.................       1,298      5,008      55,462              --          61,768
                           --------    --------  ----------       ---------      ----------
                              11,813    325,986     888,647         (11,743)      1,214,703
                           --------    --------  ----------       ---------      ----------
OPERATING INCOME........       2,171     29,473     123,831              54         155,529
                           --------    --------  ----------       ---------      ----------
EQUITY IN EARNINGS OF
 JOINT VENTURES AND
 SUBSIDIARIES...........      77,786      2,733         554         (76,583)          4,490
                           --------    --------  ----------       ---------      ----------
OTHER INCOME AND
 (DEDUCTIONS)
 Interest income........       8,864      3,794       3,761          (8,215)          8,204
 Interest on long-term
  debt..................        (123)    (9,716)    (34,665)              1         (44,503)
 Other interest expense.         (66)   (12,866)     (7,368)          8,662         (11,638)
 Dividends on preferred
  securities of
  subsidiaries..........          --         --          --          (8,865)         (8,865)
 Minority interest......          --     (2,521)         --              --          (2,521)
 Other..................         234        263      (4,816)           (505)         (4,824)
                           --------    --------  ----------       ---------      ----------
                               8,909    (21,046)    (43,088)         (8,922)        (64,147)
                           --------    --------  ----------       ---------      ----------
INCOME FROM CONTINUING
 OPERATIONS BEFORE
 INCOME TAXES...........      88,866     11,160      81,297         (85,451)         95,872
INCOME TAX PROVISION
 (BENEFIT)..............       2,065     (5,459)     26,885               1          23,492
                           --------    --------  ----------       ---------      ----------
INCOME FROM CONTINUING
 OPERATIONS.............      86,801     16,619      54,412         (85,452)         72,380
DISCONTINUED OPERATIONS,
 NET OF TAXES...........          --      3,634          --              --           3,634
                           --------    --------  ----------       ---------      ----------
NET INCOME..............      86,801     20,253      54,412         (85,452)         76,014
DIVIDENDS ON PREFERRED
 SECURITIES.............       8,568         --         297          (8,865)             --
                           --------    --------  ----------       ---------      ----------
NET INCOME AVAILABLE FOR
 COMMON STOCK...........   $  78,233   $ 20,253  $   54,115       $ (76,587)     $   76,014
                           ========    ========  ==========       =========      ==========
</TABLE>
 
                                       23
<PAGE>
 
                        MCN CORPORATION AND SUBSIDIARIES
           NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS (CONCLUDED)
          CONDENSED CONSOLIDATING STATEMENTS OF CASH FLOWS (UNAUDITED)
                                 (IN THOUSANDS)
 
<TABLE>
<CAPTION>
                            MCN AND                          ELIMINATIONS
                             OTHER                                AND        CONSOLIDATED
                          SUBSIDIARIES  MCNIC    MICHCON   RECLASSIFICATIONS    TOTALS
                          ------------ --------  --------  ----------------- ------------
                                      NINE MONTHS ENDED SEPTEMBER 30, 1996
                          ---------------------------------------------------------------
<S>                       <C>          <C>       <C>       <C>               <C>
NET CASH FLOW FROM
 OPERATING ACTIVITIES...   $  24,837   $ 75,068  $111,297      $(16,366)      $ 194,836
                           --------    --------  --------      --------       --------
CASH FLOW FROM FINANCING
 ACTIVITIES
 Notes payable, net.....          --    (15,920)   (2,622)           --         (18,542)
 Capital contributions
  received from
  (distributions
  paid to) affiliates,
  net...................        (964)    48,516     1,614       (49,166)             --
 Common stock dividends
  paid..................     (46,576)        --    (7,000)        7,000         (46,576)
 Preferred securities
  dividends paid........      (8,268)        --       (54)        8,322              --
 Issuance of common
  stock.................      13,408         --        --            --          13,408
 Issuance of preferred
  securities............      77,218         --        --            --          77,218
 Issuance of long-term
  debt..................          --    328,895    69,645            --         398,540
 Long-term commercial
  paper and credit
  facilities, net.......          --   (256,630)       --            --        (256,630)
 Retirement of long-term
  debt and preferred
  securities............         (55)    (1,350)   (5,435)            1          (6,839)
 Other..................      (6,281)        --        --            --          (6,281)
                           --------    --------  --------      --------       --------
 Net cash provided from
  financing activities..      28,482    103,511    56,148       (33,843)        154,298
                           --------    --------  --------      --------       --------
CASH FLOW FROM INVESTING
 ACTIVITIES
 Capital expenditures...      (3,823)  (251,419) (146,277)            1        (401,518)
 Sale of Genix..........          --    137,500        --            --         137,500
 Acquisition............          --    (78,620)       --            --         (78,620)
 Sale of an interest in
  DIGP..................          --     36,000        --            --          36,000
 Investment in joint
  ventures and
  subsidiaries..........     (50,130)   (10,052)      (33)       50,273          (9,942)
 Other..................         466     (4,983)  (11,322)          (64)        (15,903)
                           --------    --------  --------      --------       --------
 Net cash used for
  investing activities..     (53,487)  (171,574) (157,632)       50,210        (332,483)
                           --------    --------  --------      --------       --------
NET INCREASE (DECREASE)
 IN CASH AND CASH
 EQUIVALENTS............        (168)     7,005     9,813             1          16,651
CASH AND CASH
 EQUIVALENTS, JANUARY 1.         168     10,622     8,469            --          19,259
                           --------    --------  --------      --------       --------
CASH AND CASH
 EQUIVALENTS, SEPTEMBER
 30.....................   $      --   $ 17,627  $ 18,282      $      1       $  35,910
                           ========    ========  ========      ========       ========
<CAPTION>
                                      NINE MONTHS ENDED SEPTEMBER 30, 1995
                          ---------------------------------------------------------------
<S>                       <C>          <C>       <C>       <C>               <C>
NET CASH FLOW FROM
 OPERATING ACTIVITIES...   $  20,789   $ 83,790  $150,837      $(13,443)      $ 241,973
                           --------    --------  --------      --------       --------
CASH FLOW FROM FINANCING
 ACTIVITIES
 Notes payable, net.....          --    (21,350)  (56,637)           --         (77,987)
 Capital contributions
  received from
  (distributions paid
  to) affiliates, net...      (3,216)    56,327     7,000       (60,111)             --
 Common stock dividends
  paid..................     (42,784)        --    (6,500)        6,500         (42,784)
 Preferred securities
  dividends paid........      (7,031)        --      (223)        7,254              --
 Issuance of common
  stock.................     110,772         --        --            --         110,772
 Issuance of long-term
  debt..................          --    100,000    68,764            --         168,764
 Long-term commercial
  paper and credit
  facilities, net.......          --    (39,398)       --            --         (39,398)
 Retirement of long-term
  debt and preferred
  securities............         (50)    (2,647)   (4,290)           --          (6,987)
 Other..................          --         --        --        (1,290)         (1,290)
                           --------    --------  --------      --------       --------
 Net cash provided from
  financing activities..      57,691     92,932     8,114       (47,647)        111,090
                           --------    --------  --------      --------       --------
CASH FLOW FROM INVESTING
 ACTIVITIES
 Capital expenditures...      (3,241)  (172,390) (154,718)           --        (330,349)
 Investment in joint
  ventures and
  subsidiaries..........     (75,262)   (13,530)     (308)       64,981         (24,119)
 Sale of investment in
  joint ventures........          --     10,803        --            --          10,803
 Other..................          30        317    (2,017)       (2,450)         (4,120)
                           --------    --------  --------      --------       --------
 Net cash used for
  investing activities..     (78,473)  (174,800) (157,043)       62,531        (347,785)
                           --------    --------  --------      --------       --------
NET INCREASE IN CASH AND
 CASH EQUIVALENTS.......           7      1,922     1,908         1,441           5,278
CASH AND CASH
 EQUIVALENTS, JANUARY 1.          29     10,213     1,305            --          11,547
                           --------    --------  --------      --------       --------
CASH AND CASH
 EQUIVALENTS, SEPTEMBER
 30.....................   $      36   $ 12,135  $  3,213      $  1,441       $  16,825
                           ========    ========  ========      ========       ========
</TABLE>
 
                                       24
<PAGE>
 
                               OTHER INFORMATION
 
LEGAL PROCEEDINGS
 
  ENVIRONMENTAL: In 1994, MichCon received a general notice of liability
letter from the U.S. Environmental Protection Agency (USEPA) stating that it
was one of two potentially responsible parties at the Lower Ecorse Creek
Superfund site in Wyandotte, Michigan. USEPA requested that MichCon conduct a
remedial investigation and feasibility study at that site. MichCon
investigated its prior activities in the area and USEPA's bases for its
conclusion, and concluded that it was not responsible for contamination
discovered at that site. MichCon informed USEPA of this belief and did not
undertake the requested activities.
 
   In September 1996, USEPA sent MichCon a second general notice of liability
letter for the site and demanded reimbursement of approximately $2.3 million
in past costs, plus interest. USEPA then issued MichCon and the other
potentially responsible party a unilateral administrative order under section
106 of the Comprehensive Environmental Response Compensation and Liability Act
to implement the remedy. USEPA estimates the cost of the remedy to be
approximately $650,000. MichCon again reviewed USEPA's bases for determining
that it is a potentially responsible party and concluded again that it was not
responsible for contamination discovered at that site and informed USEPA of
its decision. USEPA may sue MichCon to force compliance with the order or may
implement the remedy and then sue MichCon for recovery of all incurred costs.
If USEPA institutes and prevails in such a suit and if the court determines
that MichCon did not have sufficient cause not to comply with the order, the
court may impose civil penalties and punitive damages. Management believes
that MichCon was not responsible for contamination at the site and has
sufficient cause not to comply with this order and that the resolution of this
matter will not have a material adverse effect on MCN's financial statements.
 
  ENERGY CONSERVATION PROGRAM: In December 1994, a suit was filed against
MichCon in Wayne County, Michigan Circuit Court by six customers who had
participated in one of three energy conservation programs sponsored by
MichCon. Under these programs, which had been approved by the MPSC, MichCon
offered low interest loans, rebates and other arrangements to assist qualified
residential customers in purchasing high efficiency furnaces. MichCon did not
manufacture, sell or install any of the furnaces. The complaint alleged that
MichCon induced the purchase of these furnaces through its conservation
programs and that it had a duty to, but failed to, warn its customers that
harmful levels of carbon monoxide could backdraft if a chimney was not
properly sized and a chimney liner installed. No personal injuries were
claimed. Plaintiffs sought injunctive relief, unspecified monetary damages and
class action certification. The trial court denied such certification on two
separate occasions; the Michigan Court of Appeals denied plaintiffs' request
for an appeal of those rulings.
 
  MichCon impleaded, as third-party defendants, all of the manufacturers,
contractors and installers of the plaintiffs' furnaces. On September 13, 1996,
the plaintiffs' motions were granted to certify as a class the approximately
46,000 customers who had participated in MichCon's conservation programs from
1990 to the present. MichCon believes that plaintiffs' allegations are without
merit and will continue to defend the case vigorously.
 
                                      25
<PAGE>
 
EXHIBITS
 
  (a) Exhibits
 
<TABLE>
<CAPTION>
     EXHIBIT
     NUMBER    DESCRIPTION
     -------   -----------
     <S>       <C>
     10-1      MCN Executive Deferred Compensation Plan, as amended.
     10-2      MCN Supplemental Death Benefit and Retirement Income Plan.
     10-3      MichCon Supplemental Retirement Plan.
     12-1      Computation of Ratio of Earnings to Fixed Charges for MCN Corporation.
     12-2      Computation of Ratio of Earnings to Fixed Charges for MCN Investment Corporation.
     27-1      Financial Data Schedule.
</TABLE>
 
                                       26
<PAGE>
 
                                   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, thereunto duly authorized.
 
                                          MCN CORPORATION
 
                                                /s/   Harold Gardner
Date: November 7, 1996                    By: _________________________________
                                                      Harold Gardner
                                                Vice President, Controller
                                               and Chief Accounting Officer
 
                                       27

<PAGE>

                                      MCN

                     EXECUTIVE DEFERRED COMPENSATION PLAN



                    (as amended effective January 1, 1996) 





<PAGE>
 
                             TABLE OF CONTENTS
                             -----------------           

<TABLE>
<CAPTION>

SECTION                                                                     PAGE
- -------                                                                     ----
<S>                                                                         <C>
SECTION 1....................................................................  1
     DEFINITIONS
          1.01.  "Account"...................................................  1
          1.02.  "Additional Pension Plan Benefit"...........................  1
          1.03.  "Additional Savings Plan Benefit"...........................  2
          1.04.  "Affiliated Employer........................................  2
          1.05.  "Anniversary Date"..........................................  2
          1.06.  "Annual Base Salary"........................................  2
          1.07.  "Annual Incentive Compensation".............................  2
          1.08.  "Beneficiary"...............................................  2
          1.09.  "Benefit Agreement".........................................  3
          1.10.  "Board of Directors"........................................  3
          1.11.  "Code"......................................................  3
          1.12.  "Committee".................................................  3
          1.13.  "Company"...................................................  3
          1.14.  "Deferral"..................................................  3
          1.15.  "Deferral Period"...........................................  3
          1.16.  "Disability.................................................  3
          1.17.  "Effective Date"............................................  3
          1.18.  "ERISA".....................................................  3
          1.19.  "Executive".................................................  4
          1.20.  "In Pay Status".............................................  4
          1.21.  "Leave".....................................................  4
          1.22.  "Participant"...............................................  4
          1.23.  "Pension Plan"..............................................  4
          1.24.  "Plan"......................................................  4
          1.25.  "Plan Interest Rate"........................................  4
          1.26.  "Plan Year".................................................  4
          1.27.  "Post-Retirement Survivor Benefit"..........................  4
          1.28.  "Pre-Retirement Survivor Benefit"...........................  4
          1.29.  "Retirement Date"...........................................  4
          1.30.  "Retirement Income Benefit".................................  5
          1.31.  "Savings Plan"..............................................  5
          1.32.  "Social Security Wage Base".................................  5
          1.33.  "Spouse"....................................................  5

SECTION 2....................................................................  5
     PARTICIPATION
          2.01.  Commencement of Participation...............................  5
          2.02.  Deferrals...................................................  5
          2.03.  Election of Deferral........................................  5
          2.04.  Forgo Deferral for a Plan Year..............................  6
          2.05.  Increased Deferral..........................................  6
          2.06.  Establishment of Account....................................  6
          2.07.  Interaction with Other Plans................................  7
</TABLE>

                                       i
<PAGE>
 
<TABLE>
<CAPTION>
<S>                                                                          <C>

SECTION 3...................................................................   7
     FUNDING OF BENEFITS
          3.01.  Unfunded Plan...............................................  7
          3.02.  Interest....................................................  7

SECTION 4....................................................................  8
     CLAIMS PROCEDURE
          4.01.  Benefit Claims Procedure....................................  8
          4.02.  Appeals Procedure...........................................  8

SECTION 5....................................................................  9
     RETIREMENT INCOME BENEFITS
          5.01.  Normal Retirement Benefit...................................  9
          5.02.  Termination Benefit......................................... 10
          5.03.  Disability.................................................. 11
          5.04.  Hardship Withdrawal Benefits................................ 11

SECTION 6.................................................................... 12
     PRE-RETIREMENT SURVIVOR BENEFITS
          6.01.  Pre-Retirement Survivor Benefit............................. 12
          6.02   Proof of Insurability....................................... 13
          6.03.  Exclusion for Suicide or Self-Inflicted
                  Injury..................................................... 13

SECTION 7.................................................................... 13
     POST-RETIREMENT SURVIVOR BENEFITS
          7.01.  Post-Retirement Survivor Benefit............................ 13

SECTION 8.................................................................... 13
     VESTING OF BENEFITS
          8.01.  Vesting of Benefits......................................... 13

SECTION 9.................................................................... 14
     ADDITIONAL PROVISIONS AFFECTING BENEFITS
          9.01.  Benefit Agreement........................................... 14
          9.02.  Leave of Absence............................................ 14
          9.03.  Alternative Forms of Benefit................................ 14
          9.04.  Tax Withholding............................................. 14

SECTION 10................................................................... 14
     ADMINISTRATION OF THE PLAN
          10.01. Duties and Power............................................ 14
          10.02. Benefit Statements.......................................... 15

SECTION 11................................................................... 15
     AMENDMENT, SUSPENSION, AND TERMINATION
          11.01. Right to Amend or Terminate................................. 15
          11.02. Right to Surrender.......................................... 15
          11.03. Non-ERISA Plan.............................................. 15
          11.04. Right to Accelerate......................................... 16
</TABLE>

                                      ii
<PAGE>
 
<TABLE>
<CAPTION>

<S>                                                                          <C>
SECTION 12................................................................... 16
     MISCELLANEOUS
          12.01. Right to Continued Employment............................... 16
          12.02. Prohibition Against Alienation.............................. 16
          12.03. Sayings Clause.............................................. 16
          12.04. Payments of Benefit of Incompetent.......................... 16
          12.05. Spouse's Interest........................................... 17
          12.06. Successors.................................................. 17
          12.07. Gender, Number and Heading.................................. 17
          12.08. Legal Fees and Expenses..................................... 17
          12.09. Choice of Law............................................... 17
          12.10. Affiliated Employees........................................ 17

SECTION 13................................................................... 18
     CHANGE IN CONTROL PROVISIONS
          13.01. General..................................................... 18
          13.02. Transfer to Rabbi Trust..................................... 18
          13.03. Joint and Several Liability................................. 18
          13.04. Dispute Procedures.......................................... 18
          13.05. Definition of Change in Control............................. 19
</TABLE>

                                      iii
<PAGE>
 
                                      MCN

                     EXECUTIVE DEFERRED COMPENSATION PLAN

                    (as amended effective January 1, 1996)



     MCN Corporation, a Michigan corporation (hereinafter referred to as the
"Company"), has adopted the Executive Deferred Compensation Plan (hereinafter
referred to as the "Plan") to provide supplemental retirement income for certain
Executives (hereinafter defined) and to provide a measure of security for
certain Executives through the payment of death benefits to their Beneficiaries.

     The Company previously adopted the MCN Management Incentive Bonus
Compensation Plan ("Incentive Plan") which permitted participants to defer
awards made to them under the Incentive Plan. Effective as of January 1, 1990,
deferrals under the Incentive Plan were discontinued and account balances under
the Incentive Plan were transferred to the Plan.

     It is intended that this Plan provide benefits for "a select group of
management or highly compensated employees" within the meaning of Sections 201,
301 and 401 of ERISA (hereinafter defined), and therefore to be exempt from the
provisions of Parts 2, 3 and 4 of Title I of ERISA.

                                   SECTION 1

                                  DEFINITIONS



     The following words and terms as used herein shall, unless the context
clearly requires a different meaning, have the respective meanings hereinafter
set forth.

     1.01.  "Account" means the record maintained by the Company of each
Participant's Deferrals, credited interest, Additional Pension Plan Benefit,
Additional Savings Plan Benefit, and distributions under the Plan.

     1.02.  "Additional Pension Plan Benefit" means an additional benefit under
this Plan, equal to the present value at the date of retirement under the
qualified plan or other termination of employment of the difference between (1)
the benefit that the Participant would have been entitled to receive under the
Pension Plan if he had not elected to defer any amount under the Plan, and (2)
the benefit that the Participant is entitled to receive under the Pension Plan.

                                       1
<PAGE>
 
     1.03.  "Additional Savings Plan Benefit" means an additional monthly
benefit under this Plan, equal to the amount of any Company matching
contributions that would have been made on the Participant's deferred salary
under the terms of the Savings Plan plus (i) for periods from January 1, 1990 to
July 31, 1991, the income that would have been earned thereon based upon the
Participant's investment elections and the terms of the Savings Plan, and (ii)
for periods after July 31, 1991, interest based upon the Plan Interest Rate in
effect for such period which should be added to the Participant's account.

     1.04  "Affiliated Employer" means any corporation while such corporation is
a member of the same controlled group of corporations (within the meaning of
Section 414(b) of the Code) as the Company or any other employing entity while
such entity is under common control (within the meaning of Section 414(c) of the
Code) with the Company.

     1.05.  "Anniversary Date" means any January 1 including or after the
Effective Date.

     1.06.  "Annual Base Salary" means annual base salary payable in the current
Plan Year before any 401(k) deferral or cafeteria plan election and before any
payroll deduction for taxes or any other purpose, but excluding any bonus,
fringe benefit or other form of remuneration.

     1.07.  "Annual Incentive Compensation" means the annual incentive plan cash
compensation earned in the current Plan Year and payable in the subsequent Plan
Year.

     1.08.  "Beneficiary" means the person, persons or entity designated in
writing by the Participant on forms provided by the Company to receive
distribution of certain death benefits under the Plan in the event of the
Participant's death. A Participant may change the designated Beneficiary from
time to time by filing a new written designation with the Committee, and such
designation shall be effective upon receipt by the Committee. The designation of
a Beneficiary other than the Participant's Spouse must be consented to in
writing by the Spouse. If a Participant has not designated a Beneficiary, or if
a designated Beneficiary is not living or in existence at the time of a
Participant's death, any death benefits payable under the Plan shall be paid to
the Participant's Spouse, if then living, and if the Participant's Spouse is not
then living, to the Participant's estate.

                                       2
<PAGE>
 
     1.09.  "Benefit Agreement" means the benefit agreement described in Section
9.01 relating to a Participant's commitment to defer Annual Base Salary, as
defined in Section 1.06, and/or Annual Incentive Compensation, as defined in
Section 1.07.

     1.10.  "Board of Directors" means the Board of Directors of the Company, as
defined in Section 1.13.

     1.11.  "Code" means the Internal Revenue Code of 1986, as amended.

     1.12.  "Committee" means the Savings Plan Committee under the MichCon
Savings and Stock Ownership Plan, or successor thereto. The Committee is
responsible for the administration of the Plan.

     1.13.  "Company" means MCN, a Michigan corporation, its successors and
assigns, and any direct or indirect subsidiary of MCN which has elected, with
the consent of MCN, to participate in the Plan.

     1.14.  "Deferral" means the portion of a Participant's Annual Base Salary
and/or Annual Incentive Compensation that has been deferred in accordance with
Section 2.03. Deferral amounts are retained by the Company as part of its
general assets.

     1.15.  "Deferral Period" means the period beginning with the date of the
Participant's commencement of participation in the Plan and ending on the
earlier of

            (a) the fifth Anniversary Date after such date; or

            (b) the Participant's Retirement Date, as defined in Section 1.29.

     1.16.  "Disability" means the total and permanent inability, caused by
disease or bodily injury and originating after his designation as a Participant,
of an Executive to do substantially all the material duties of his regular job,
except that

            (a) after such inability has continued for two years, such Executive
     shall be considered to be suffering Disability only if he cannot work for
     pay or profit at another job for which he is reasonably fitted by
     education, training or experience; and

            (b) such Executive shall be considered to be suffering Disability
     only for those periods during which he is not working for pay or profit.

     1.17.  "Effective Date" means January 1, 1990 and each January 1
thereafter.

     1.18.  "ERISA" means the Employee Retirement Income Security Act of 1974,
as amended from time to time.

                                       3
<PAGE>
 
     1.19.  "Executive" means a management or highly compensated employee of the
Company who has been specifically designated by the Chairman of the Board of
Directors to be eligible for Plan participation. Such an employee shall remain
an Executive so long as this designation is not revoked by the Chairman of the
Board of Directors. Upon such revocation, the former Executive shall be entitled
to receive only those benefits which have been vested.

     1.20.  "In Pay Status" means, with respect to a benefit under the Plan,
that a Participant or Beneficiary has met all of the requirements to receive
such benefit and it is being paid or is about to be paid to such Participant or
Beneficiary.

     1.21.  "Leave" means any period during which an Executive who is employed
by the Company immediately prior to the commencement thereof is absent from the
Company pursuant to a leave of absence granted with the permission of the
Company.

     1.22.  "Participant" means an Executive who has made a written election to
participate in the Plan in accordance with Section 2.01.

     1.23.  "Pension Plan" means, with respect to a Participant, any Company-
sponsored qualified defined benefit plan under which the Participant is eligible
to participate.

     1.24.  "Plan" means the MCN EXECUTIVE DEFERRED COMPENSATION PLAN, as
described herein and as hereafter amended.

     1.25.  "Plan Interest Rate" means the interest rate for the latest issue,
as of the end of the previous month, of ten-year U.S. Treasury Notes, or such
other rate as set by the Chairman of the Board of Directors.

     1.26.  "Plan Year" means the period beginning January 1 and ending December
31 of each year (the calendar year).

     1.27.  "Post-Retirement Survivor Benefit", as described in Section 7.01,
means the benefit payable to the Beneficiary of a Participant who dies after the
commencement of his Retirement Income Benefit.

     1.28.  "Pre-Retirement Survivor Benefit", as described in Section 6.01,
means the benefit payable to the Beneficiary of a Participant who dies prior to
his Retirement Date.

     1.29.  "Retirement Date" for a Participant covered by a Pension Plan means
any normal or early retirement date specified in the Pension Plan, as defined in
Section 1.23; and for a Participant covered by a Savings Plan, but not covered
by a Pension Plan, means any normal or early retirement date specified in the
Savings Plan, as defined in Section 1.31.

                                       4
<PAGE>
 
     1.30. "Retirement Income Benefit" means the retirement benefit described in
Section 5.

     1.31. "Savings Plan" means, with respect to a Participant, any Company
sponsored qualified defined contribution plan under which the Participant is
eligible to participate.

     1.32. "Social Security Wage Base" means the maximum amount of wages subject
to the old-age, survivor and disability portion of the Federal Insurance
Contributions Act tax.

     1.33. "Spouse" means an individual who is legally married to a Participant
under the laws of the state in which the Participant resides, on the day
immediately preceding the Participant's date of death.

                                   SECTION 2
 
                                 PARTICIPATION

     2.01. Commencement of Participation. An Executive shall become a
Participant hereunder upon execution of a Benefit Agreement by the Executive no
later than the October 30 prior to its Effective Date. A properly executed
Benefit Agreement shall be effective on the January 1 immediately following the
execution of the Benefit Agreement, and shall contain the items described in
this Section and in Sections 5.01, 6.01 and 9.01. Subject to Sections 2.02, 2.04
and 2.05, the deferral election made in a Benefit Agreement shall be
irrevocable.

     2.02. Deferrals. A Participant may continue to make the annual Deferral
provided under Section 2.03 with respect to his Benefit Agreement until his
designation as an Executive is revoked by the Chairman of the Board of
Directors, he terminates employment with the Company, he receives a hardship
withdrawal, or he revokes his Benefit Agreement after the completion of his
Deferral Period.

     2.03. Election of Deferral. A Participant shall elect in his Benefit
Agreement, in multiples of $1,000 except for the $3,000 minimum, the annual
Deferral that he will make for each Plan Year in which he is a Participant. Such
annual Deferral shall not exceed 30% of Annual Base Salary and 100% of Annual
Incentive Compensation less the Federal Insurance Contributions Act tax on the
Annual Incentive Compensation and shall not be less than $3,000. An annual
Deferral of Annual Base Salary cannot reduce the Participant's Annual Base
Salary below the Social Security Wage Base for the Plan Year. An annual Deferral
of Annual Incentive

                                       5
<PAGE>
 
Compensation shall be stated as a flat amount and shall not be greater than 100%
of the Participant's current year target Annual Incentive Compensation less the
Federal Insurance Contributions Act tax on the Annual Incentive Compensation. A
Participant's election shall be irrevocable during the Deferral Period, subject
to Sections 2.02, 2.04 and 2.05. After a Participant's Deferral Period is
completed, the Participant may elect on an annual basis, before October 30,
whether he wishes to make a Deferral for the following Plan Year.

     2.04. Forgo Deferral for a Plan Year. A Participant may elect, no later
than October 30 prior to its Effective Date, to forgo the Deferral for the
remainder of the Deferral Period. This election cannot be made for the first
year in the Deferral Period. If this election is made for a Plan Year, the
Participant shall not be permitted to participate in the Plan for the two year
period beginning with the January 1 immediately following the election to forgo
the Deferral. If the Participant thereafter elects to participate in the Plan,
such Participant shall begin a new Deferral Period. If a Participant dies prior
to his Retirement Date while employed by the Company and during a period that an
election to forgo Deferral is in effect, the Participant's Beneficiary shall not
be entitled to the Pre-Retirement Survivor Benefit under Section 6.01, but shall
receive a lump sum distribution of an amount equal to the Participant's Account
balance as of the Participant's date of death. Such lump sum payment shall be
made not later than one hundred twenty (120) days after the Participant's date
of death.

     2.05. Increased Deferral. A Participant may elect to increase the annual
Deferral that he will make for each Plan Year in which he is a Participant by
filing a new Benefit Agreement to that effect with the Committee. The amount of
any such increase shall be in multiples of $1,000, and the increased annual
Deferral shall not exceed the limits set forth in Section 2.03. Such election
will be effective on the January 1 after the new Benefit Agreement is filed with
the Committee. A Participant's election to increase the amount deferred in a
Plan Year will not preclude the Participant from reducing the increased deferral
in subsequent Plan Years. However, in no event may the Deferral in subsequent
Plan Years of the Deferral Period be reduced to an amount less than the original
annual Deferral amount.

     2.06. Establishment of Account. The Committee shall establish an Account
for each Participant to which the Participant's Deferrals shall be credited,
interest in accordance with Section 3.02 shall be credited, the Participant's
account balance, if any, under the Incentive Plan shall be credited, the
Additional Pension Plan Benefit shall be credited, the Additional Savings
                                       6
<PAGE>
 
Plan Benefit shall be credited, and distributions shall be debited. A
Participant's Deferrals shall be credited to his Account as of the date the
Deferral would have been paid to the Participant. The Additional Pension Plan
Benefit shall be credited to the Participant's Account as of the date of the
Participant's retirement under the qualified plan or other termination of
employment. The Additional Savings Plan Benefit shall be credited to the
Participant's Account as of the end of each month for which the Participant
makes a Deferral under the Plan. A Participant whose Account includes a transfer
of assets from the Incentive Plan shall be treated as having satisfied a year of
the Deferral Period for each of the Participant's years of participation in the
deferral portion of the Incentive Plan.

     2.07. Interaction with Other Plans. The deferral of Annual Base Salary (but
not Annual Incentive Compensation) may result in a reduction of a Participant's
benefit under the Pension Plan and the Savings Plan due to restrictions imposed
by the IRS on qualified plans. In order to minimize the effect of this
reduction, a Participant's Account shall be credited with an Additional Pension
Benefit and an Additional Savings Plan Benefit.

                                   SECTION 3

                              FUNDING OF BENEFITS

     3.01. Unfunded Plan. The Plan shall be unfunded. All benefits payable under
the Plan shall be paid from the Company's general assets. The Company shall not
be required to set aside or hold in trust any funds for the benefit of a
Participant or Beneficiary, who shall have the status of a general unsecured
creditor with respect to the Company's obligation to make benefit payments
pursuant to the Plan. Any assets of the Company available to pay Plan benefits
shall be subject to the claims of the Company's general creditors and may be
used by the Company in its sole discretion for any purpose.

     3.02. Interest. Interest shall be credited and compounded to each
Participant's Account, including that portion of the Account attributable to the
benefit described in Section 2.07, on the last day of each month during each
Plan Year based upon the Plan Interest Rate in effect for such Plan Year for so
long as there remains an Account balance.

                                       7
<PAGE>
 
                                   SECTION 4

                               CLAIMS PROCEDURE

     4.01. Benefit Claims Procedure. All applications for benefits under the
Plan shall be submitted to the Committee at the Company's principal place of
business. Applications for benefits must be in writing and must be signed by the
Participant or, in the case of a Pre-Retirement or Post-Retirement Survivor
Benefit, by the Beneficiary or legal representative of the deceased Participant.
In the event of a Participant's death, a certified copy of the death certificate
will be required by the Committee. The Committee reserves the right to require
that the Participant furnish proof of his age prior to processing any
application. Each application shall be acted upon and approved or disapproved
within ninety (90) days following its receipt by the Committee. In the event any
application for benefits is denied in whole or in part, the Committee shall
notify the applicant in writing of such denial and of his right to a review by
the Committee and shall set forth, in a manner calculated to be understood by
the applicant, specific reasons for such denial, specific references to
pertinent Plan provisions on which the denial is based, a description of any
additional material or information necessary for the applicant to perfect his
application, an explanation of why such material or information is necessary,
and an explanation of the Plan's review procedure.

     4.02. Appeals Procedure. Any person whose application for benefits is
denied in whole or in part may appeal such denial to the Committee by submitting
a written statement to the Committee within ninety (90) days after receiving
written notice from the Committee of the denial of the claim. A written
statement should:
 
           (a)  request a review by the Committee of the application for
                benefits; 

           (b)  set forth all of the grounds upon which the request
                for review is based and any facts in support thereof; and 

           (c)  set forth any issues or comments that the applicant deems 
                pertinent to his application.

     The Committee shall regularly review appeals applications submitted to it.
The Committee shall act upon each appeal within sixty (60) days after receipt of
the applicant's request for review by the Committee .

                                       8
<PAGE>
 
     The Committee shall make a full and fair review of each such application
and any written materials submitted by the applicant or the Company in
connection therewith and may require the Company or the applicant to submit such
additional facts, documents, or other evidence as the Committee in its sole
discretion deems necessary or advisable in making such a review. On the basis of
its review, the Committee shall make an independent determination of the
applicant's eligibility for benefits under the Plan. The decision of the
Committee on any application for benefits shall be final and conclusive upon all
persons.

     In the event that the Committee denies an application in whole or in part,
the Committee shall give written notice of the Committee's decision to the
applicant setting forth, in a manner calculated to be understood by the
applicant, the specific reasons for such denial and specific references to the
pertinent Plan provisions on which the Committee's decision was based.

                                   SECTION 5

                          RETIREMENT INCOME BENEFITS

     5.01.  Normal Retirement Benefit

          (a) Each Participant who retires under the Pension or Savings Plan on
his Retirement Date after the completion of his Deferral Period shall be
entitled to a Retirement Income Benefit commencing on the first of the month
following the month in which his Retirement Date occurs. The Participant's
Retirement Income Benefit shall be paid, in accordance with the Participant's
selection in his Benefit Agreement, either in monthly payments over 5, 10 or 15
years, or as a lump sum distribution of the Participant's Account. The payment
option selected by the Participant on his Benefit Agreement may be changed at
any time by the Participant by submitting a new payment selection to the
Committee, but a change shall be effective only if it is received by the
Committee at least 36 months before payments under the Plan commence. The amount
of the monthly payments shall be calculated to pay out over the specified period
the entire balance in the Participant's Account as of his Retirement Date with
interest credited monthly on the declining balance at the Plan Interest Rate.
The Participant's Account shall continue to be credited monthly with interest at
the Plan Interest Rate and charged with the monthly payments to the Participant.
The amount of the monthly payments to the Participant shall be adjusted on

                                       9
<PAGE>
 
January 1 of each year to reflect changes in the Plan Interest Rate and other
changes in the Participant's Account balance.

          (b) Each Participant who retires under the Pension or Savings Plan on
his Retirement Date prior to the completion of his Deferral Period shall receive
a lump sum distribution in an amount equal to the Participant's Account balance
on his Retirement Date. Such distribution shall be made no later than one
hundred twenty (120) days after the Participant's Retirement Date.

          (c) Notwithstanding subparagraph (b) above, a Participant whose
Deferral Period is less than five years may accelerate his Deferrals so that the
sum of the Deferrals at the end of his Deferral Period is equal to five times
his annual Deferral. This acceleration shall be effective beginning with the
Plan Year following the year a new Benefit Agreement indicating an increased
annual Deferral is filed with the Committee. The Participant's Retirement Income
Benefit shall be paid in accordance with the Participant's selection in his
Benefit Agreement.

     5.02. Termination Benefit. A Participant who terminates employment prior to
retirement or whose designation as an Executive is revoked shall receive payment
of the Participant's Account balance in accordance with the Participant's
election on his Benefit Agreement, either in monthly payments over three (3)
years or as a lump sum distribution. If no election is indicated on the
Participant's Benefit Agreement for termination benefits, the Participant's
termination benefit shall be paid to him in monthly payments over three (3)
years beginning no later than one hundred twenty (120) days after termination of
employment or revocation of designation as an Executive. The termination
election selected by the Participant on his Benefit Agreement may be changed at
any time by the Participant by submitting a new termination election to the
Committee, but a change shall be effective only if it is received by the
Committee at least 36 months before payments under the Plan commence. The amount
of the monthly payments shall be calculated to pay out over the three-year
period the entire balance in the Participant's Account as of his Retirement Date
with interest credited monthly on the declining balance at the Plan Interest
Rate. The Participant's Account shall continue to be credited monthly with
interest at the Plan Interest Rate and charged with the monthly payments to the
Participant. The amount of the monthly payments to the Participant shall be
adjusted on January 1 of each year to reflect changes in the Plan Interest Rate
and other changes in the Participant's Account

                                      10
<PAGE>
 
balance. After receiving a termination benefit, neither the Participant, nor the
Participant's Beneficiary shall be entitled to any further benefit hereunder.

     5.03. Disability. A Participant who has suffered a Disability shall be
deemed to be an Executive during such period and shall continue to be eligible
for Retirement Income Benefits under Section 5.01 without reduction and Pre-
Retirement and Post-Retirement Survivor Benefits under Sections 6.01 and 7.01.
If the Disability occurs within a Deferral Period, and the disabled Participant
is determined by the Committee to be totally and permanently disabled prior to
the completion of the Deferral Period, the Committee shall excuse him from
making additional Deferrals under the applicable Benefit Agreement, or shall
reduce the amount of his required Deferrals, but no amounts shall be credited to
his Account with respect to such excused or reduced Deferral(s). For all other
Plan purposes, a Participant whose Deferrals have been excused shall be deemed
to have made all required Deferrals during his Deferral Period.

     5.04. Hardship Withdrawal Benefits. At any time prior to the commencement
of Retirement Income Benefits hereunder, a Participant may request that the
Committee make a distribution to him of all or part of his Account balance
within 120 days. Such distribution shall be made only if the Committee
determines that the Participant is suffering from a financial hardship that
cannot be satisfied from his normal sources of income, and the distribution
shall be limited to the amount required to meet the financial hardship. In
making these determinations, the Committee shall utilize the regulations
proposed or adopted by the U.S. Department of Treasury pursuant to Section
401(k) of the Code and the rules under the Savings Plan. A financial hardship
shall be satisfied from the Plan to the extent possible; then from the
Supplemental Savings Plan; and finally from the Savings Plan. After receiving a
hardship distribution, neither the Participant, nor his Beneficiary shall be
entitled to any Pre-Retirement Survivor Benefit hereunder unless the Participant
completes two years of participation after the hardship distribution, in which
event the Pre-Retirement Survivor Benefit shall be based solely on Deferrals
after the hardship distribution. If a Participant dies during the two years of
participation after the hardship distribution, the Pre-Retirement Survivor
Benefit shall be computed as provided in Section 6.01, except that the
projection forward shall include hypothetical annual Deferrals equal to zero.

                                      11
<PAGE>
 
                                   SECTION 6

                       PRE-RETIREMENT SURVIVOR BENEFITS

     6.01.  Pre-Retirement Survivor Benefit. Except as provided in Sections
2.04, 5.04 and 6.02, if a Participant dies prior to his Retirement Date while
employed by the Company, his Beneficiary shall be entitled to receive an amount
equal to the present value, at the Participant's date of death, of the
Participant's Account balance projected forward to his Normal Retirement Date.
This projection forward will be accomplished by crediting to his Account balance
as of his date of death the amount of a hypothetical Deferral equal to the
average of the Participant's annual Deferrals for the five years immediately
preceding the Participant's death for the year of the Participant's death and
for all subsequent years through and including the year in which the
Participant's Normal Retirement Date falls and crediting interest on the Account
balance and any subsequent hypothetical Deferrals at the Plan Interest Rate in
effect on his date of death in order to arrive at the projected value of his
Account balance as of the Participant's Retirement Date. If the Participant did
not participate in the Plan for five years preceding the year of death, the
average will be computed based on a numerator equal to the total deferral
election in effect for the Deferral Period in which death occurred and a
denominator equal to five. This projected Account balance then will be converted
to its present value on the Participant's date of death using 70% of the ten-
year U.S. Treasury Note interest rate on the latest date such notes were issued
before the Participant's date of death. The pre-retirement survivor benefit
shall be paid in accordance with the Participant's selection in his Benefit
Agreement, either in monthly payments over 5, 10 or 15 years, or as a lump sum
distribution. The payment option selected by the Participant on his Benefit
Agreement may be changed at any time by the Participant submitting a new payment
selection to the Committee, but a change shall be effective only if it is
received by the Committee at least 36 months before payments under the Plan
commence.

     Notwithstanding the foregoing, the Chairman of the Board of Directors may,
at the time of declaring the Executive eligible, designate an Executive to be
eligible only for Retirement Income Benefits and not the Pre-Retirement Survivor
Benefit. In the event of such a designation, the beneficiary of such an
Executive shall not receive any Pre-Retirement Survivor Benefit under this
Section.

                                      12
<PAGE>
 
     6.02.  Proof of Insurability. If a new Participant is uninsurable, or does
not cooperate in the application for life insurance, such Participant's
Beneficiary shall not be entitled to receive a Pre-Retirement Survivor Benefit
under Section 6.01. The Beneficiary of such a Participant shall receive a
distribution of an amount equal to the Participant's Account balance as of the
Participant's date of death. Such distribution shall be paid in accordance with
the Participant's selection on his Benefit Agreement, either in monthly payments
over 5, 10, or 15 years, or as a lump sum distribution.

     If a Participant, who was insurable at the time participation in the Plan
commenced, elects to increase his Deferral, such increase shall not be reflected
in computing the Pre-Retirement Survivor Benefit under Section 6.01 if the
Participant became uninsurable prior to electing the increased Deferral or does
not cooperate in the application for life insurance.

     6.03.  Exclusion for Suicide or Self-Inflicted Injury. Notwithstanding any
other provision of the Plan, no Pre-Retirement Survivor Benefits in excess of a
Participant's Account balance as of his date of death shall be paid to any
Participant or Beneficiary in the event the Participant dies as the result of
suicide or self-inflicted injury within two years after January 1 of the first
year of participation.

                                   SECTION 7

                       POST-RETIREMENT SURVIVOR BENEFITS

     7.01.  Post-Retirement Survivor Benefit. The Beneficiary of a Participant
who dies after commencement of his Retirement Income Benefit shall be entitled
to continue to receive the Retirement Income Benefit payments being made to the
Participant under Section 5.01 for the remainder of the period over which
benefits were being paid to the deceased Participant.

                                   SECTION 8

                              VESTING OF BENEFITS

     8.01.  Vesting of Benefits. A Participant shall be 100% vested in his
benefits under the Plan at all times except as set forth in Sections 5.02, 6.01,
6.02, 6.03, 9.02, 9.03, 11.02, 11.03

                                      13
<PAGE>
 
and 11.04. A Participant shall rank as an unsecured creditor of the Company for
all benefits under the Plan.

                                   SECTION 9

                   ADDITIONAL PROVISIONS AFFECTING BENEFITS

     9.01.  Benefit Agreement. The Committee shall provide to each Executive a
form of Benefit Agreement with respect to each Deferral Period for which the
Committee will permit the Executive to make Deferrals. The Benefit Agreement
shall set forth the Executive's acceptance of the benefits provided hereunder,
his agreement to be bound by the terms of the Plan, and such other matters as
are set forth in this Plan or deemed advisable by the Committee.

     9.02.  Leave of Absence. An Executive who is on Leave, with or without
salary, for a period of not more than one year, shall be deemed to be an
Executive employed by the Company during such Leave. An Executive who is on
Leave without salary for a period in excess of one year shall forfeit his Pre-
Retirement Survivor Benefit and shall not be entitled to any Pre-Retirement
Survivor Benefit hereunder unless the Participant completes five years of
participation after such leave in which event the Pre-Retirement Survivor
Benefit shall be based solely on Deferrals after the Leave.

     9.03.  Alternative Forms of Benefit. The Committee in its sole discretion,
at the written request of the recipient submitted to the Committee no later than
36 months prior to the commencement of benefit distributions to the recipient,
may elect to pay the Participant, Spouse or Beneficiary an actuarially
equivalent lump-sum, annuity or other form of benefit that it deems appropriate
in lieu of the form of benefit otherwise provided in Sections 5, 6 or 7.

     9.04.  Tax Withholding. Benefit payments hereunder shall be subject to
applicable federal, state or local tax withholding laws.

                                  SECTION 10

                          ADMINISTRATION OF THE PLAN

     10.01.  Duties and Power. The Committee shall be responsible for the
general administration of the Plan and the proper execution of its provisions.
It shall also be responsible

                                      14
<PAGE>
 
for the interpretation of the Plan and the determination of all questions
arising thereunder. It shall maintain all necessary books of accounts and
records. It shall have power to establish, interpret, enforce, amend, and
revoke, from time to time, such rules and regulations for the administration of
the Plan and the conduct of its business as it deems appropriate, including the
right to remedy ambiguities, inconsistencies and omissions (provided such rules
and regulations are uniformly applied to all persons similarly situated). Any
action that the Committee is required or authorized to take shall be final and
binding upon each and every person who is or may become a Plan Participant or
Beneficiary. The Committee may amend this Plan to comply with changes to the
Code, so long as the amendment does not materially increase the cost of
maintaining the Plan or change benefits to Participants or Beneficiaries.

     10.02.  Benefit Statements. No later than 120 days after the end of each
Plan Year, the Committee will provide each Participant with a statement setting
forth the Participant's Account balance as of the last day of the immediately
preceding Plan Year.

                                  SECTION 11

                    AMENDMENT, SUSPENSION, AND TERMINATION

     11.01.  Right to Amend or Terminate. The Plan may be amended or terminated
by the Board of Directors at any time. Such amendment or termination may modify
or eliminate any benefit hereunder except that such amendment or termination
shall not affect the rights of Participants or Beneficiaries to the vested
portion of a Participant's Account as of the date of such amendment or
termination.

     11.02.  Right to Surrender. If the Board of Directors determines that
payments under the Plan would have a material adverse affect on the Company's
ability to carry on its business, the Board of Directors may suspend such
payments temporarily for such time as in its sole discretion it deems advisable,
but in no event for a period in excess of one year. The Company shall pay such
suspended payments in a lump sum immediately upon the expiration of the period
of suspension.

     11.03.  Non-ERISA Plan. The Plan is intended to provide benefits for "a
select group of management or highly compensated employees" within the meaning
of Sections 201, 301 and 401 of ERISA, and therefore to be exempt from Sections
2, 3 and 4 of Title 1 of ERISA.

                                      15
<PAGE>
 
Accordingly, the Plan shall terminate and existing Account balances and other
benefits In Pay Status shall be paid in a single, actuarially equivalent lump-
sum and no further benefits, vested or non-vested, shall be paid hereunder in
the event it is determined by a court of competent jurisdiction or by an opinion
of counsel that the Plan constitutes an employee pension benefit plan within the
meaning of Section 3(2) of ERISA which is not so exempt.

     11.04. Right to Accelerate. The Board of Directors in its sole discretion
may accelerate all vested benefits upon termination of the Plan, and pay such
benefits in a single, actuarially equivalent lump-sum.

                                  SECTION 12

                                 MISCELLANEOUS

     12.01. Right to Continued Employment. Nothing in the Plan shall be
construed as giving any person employed by the Company the right to be retained
in the Company's employ. The Company expressly reserves the right to dismiss any
person at any time, with or without cause, without liability for the effect that
such dismissal might have upon him as a Participant in the Plan.

     12.02. Prohibition Against Alienation. Except as otherwise provided in the
Plan, no right or benefit under the Plan shall be subject in any manner to
anticipation, alienation, sale, transfer, assignment, pledge, encumbrance, or
charge, and any attempt to so anticipate, alienate, sell, transfer, assign,
pledge, encumber, or charge the same shall be void. No such right or benefit
shall be liable for or subject to the debts, contracts, liabilities,
engagements, or torts of the person entitled to such right or benefit.

     12.03. Sayings Clause. If any provision of this instrument shall be finally
held by a court of competent jurisdiction to be invalid or unenforceable, the
remaining provisions hereof shall continue to be fully effective.

     12.04. Payment of Benefit of Incompetent. In the event the Committee finds
that a Participant, former Participant, or Beneficiary is unable to care for his
affairs because of his minority, illness, accident, or other reason, any
benefits payable hereunder may, unless other claim has been made therefor by a
duly appointed guardian, committee or other legal representative, be paid to a
spouse, child, parent, or other blood relative or dependent or to any person
found by the
                                      16
<PAGE>
 
Committee to have incurred expenses for the support and maintenance of such
Participant, former Participant, or Beneficiary; and any such payments so made
shall be a complete discharge of all liability therefor.

     12.05. Spouse's Interest. The interest in the benefits hereunder of a
Spouse of a Participant who has predeceased the Participant shall automatically
pass to the Participant and shall not be transferable by such Spouse in any
manner including but not limited to such Spouse's will, nor shall such interest
pass under the laws of intestate succession.

     12.06. Successors. In the event of any consolidation, merger, acquisition
or reorganization of the Company, the obligations of the Company under this Plan
shall continue and be binding upon the Company and its successors.

     12.07. Gender, Number and Heading. Whenever any words are used herein in
the masculine gender, they shall be construed as though they were also used in
the feminine gender in all cases where they would so apply. Whenever any words
used herein are in the singular form, they shall be construed as though they
were also used in the plural form in all cases where they would so apply.
Headings of sections and subsections as used herein are inserted solely for
convenience and reference and constitute no part of the Plan.

     12.08. Legal Fees and Expenses. The Company shall pay all legal fees and
expenses that a Participant may incur as a result of the Company contesting the
validity, enforceability, or the Participant's interpretation of, or
determinations under this Plan, other than Section 5.04.

     12.09. Choice of Law. This Plan shall be governed by and construed in
accordance with the laws of the State of Michigan to the extent not superseded
by applicable federal statutes or regulations.

     12.10. Affiliated Employees. An affiliate of the Company may adopt the
Plan, with the consent of the Company, in order to become a participating
employer under the Plan. A participating employer may withdraw from the Plan by
filing a notice with the Committee. Transfers of employment between
participating employers and the Company or other participating employers will be
treated as continuous and uninterrupted service under the Plan.

                                      17
<PAGE>
 
                                  SECTION 13

                         CHANGE IN CONTROL PROVISIONS

     13.01  General. In the event of a Change in Control, as defined in Section
13.05, then, notwithstanding any other provision of the Plan, the provisions of
this Section 13 shall be applicable and shall supersede any conflicting
provisions of the Plan. For purposes of Section 13.05 only, the term "Company"
shall mean MCN Corporation, its successors and assigns.

     13.02  Transfer to Rabbi Trust. The Company has established a trust
pursuant to a Trust Agreement dated January 3, 1991 (the "Rabbi Trust"). The
terms of the Rabbi Trust provide that, in the event of a Change in Control and
thereafter, assets are to be transferred to such Trust to provide benefits under
the Plan. The Company shall make all transfers of funds required by the Rabbi
Trust in a timely manner and shall otherwise abide by the terms of the Rabbi
Trust.

     13.03  Joint and Several Liability. Upon and at all times after a Change in
Control, the liability under the Plan of the Company and each Affiliated
Employer that has adopted the Plan shall be joint and several so that the
Company and each such Affiliated Employer shall each be liable for all
obligations under the Plan to each employee covered by the Plan, regardless of
the corporation by which such employee is employed.

     13.04  Dispute Procedures. In the event that, upon or at any time
subsequent to a Change in Control, a claim for benefits under the Plan of a
Participant or Beneficiary who has exhausted the claims and appeals procedures
set forth in Section 4.01 and 4.02 is denied in whole or in part, the following
additional procedures shall be applicable:

          (a)  Any amount that is not in dispute shall be paid to the
Participant or Beneficiary at the time or times provided herein.

          (b)  The Company shall advance to such claimant from time to time such
amounts as shall be required to reimburse the claimant for reasonable legal
fees, costs and expenses incurred by such claimant in seeking a judicial
resolution of his or her claim, including reasonable fees, costs and expenses
relating to appeals; provided, however, that the Company shall not be obligated
to advance to the claimant any amounts under this Section 13.04(b) unless and
until the claimant agrees in writing to repay to the Company, immediately upon
the occurrence of a final judicial determination with respect to such dispute,
any amount of such fees,

                                      18
<PAGE>
 
costs and expenses that is not awarded to such claimant in a final order of a
court of competent jurisdiction.

     13.05  Definition of Change in Control.  A "Change of Control" means:

          (a)  The acquisition by any individual, entity or group (within the
meaning of Section 13(d)(3) or 14(d)(2) of the Securities Exchange Act of 1934,
as amended (the "Exchange Act")) (a "Person") of beneficial ownership (within
the meaning of Rule 13d-3 promulgated under the Exchange Act) of 20% or more of
either (i) the then outstanding shares of common stock of the Company (the
"Outstanding Company Common Stock") or (ii) the combined voting power of the
then outstanding voting securities of the Company entitled to vote generally in
the election of directors (the "Outstanding Company Voting Securities");
provided, however, that the following acquisition shall not constitute a Change
of Control: (A) any acquisition directly from the Company (excluding an
acquisition by virtue of the exercise of a conversion privilege), (B) any
acquisition by the Company, (C) any acquisition by any employee benefit plan (or
related trust) sponsored or maintained by the Company or any corporation
controlled by the Company or (D) any acquisition by any corporation pursuant to
a reorganization, merger or consolidation, if, following such reorganization,
merger or consolidation, the conditions described in clauses (i), (ii) and (iii)
of subsection (c) of this Section 13.05 are satisfied; or

          (b)  Individuals who, as of the date hereof, constitute the Board (the
"Incumbent Board") cease for any reason to constitute at least a majority of the
Board; provided, however, that any individual becoming a director subsequent to
the date hereof whose election, or nomination for election by the Company's
shareholders, was approved by a vote of at least a majority of the directors
then comprising the Incumbent Board shall be considered as though such
individual were a member of the Incumbent Board, but excluding, for this
purpose, any such individual whose initial assumption of office occurs as a
result of either an actual or threatened election contest (as such terms are
used in Rule 14a-11 of Regulation 14A promulgated under the Exchange Act) or
other actual or threatened solicitation of proxies or consents by or on behalf
of a Person other than the Board; or

          (c)  Approval by the shareholders of the Company of a reorganization,
merger or consolidation, in each case, unless, following such reorganization,
merger or consolidation, (i) more than 60% of, respectively, the then
outstanding shares of common stock of the corporation resulting from such
reorganization, merger or consolidation and the combined voting power of the

                                      19
<PAGE>
 
then outstanding voting securities of such corporation entitled to vote
generally in the election of directors is then beneficially owned, directly or
indirectly, by all or substantially all of the individuals and entities who were
the beneficial owners, respectively, of the Outstanding Company Common Stock and
Outstanding Company Voting Securities immediately prior to such reorganization,
merger or consolidation in substantially the same proportions as their
ownership, immediately prior to such reorganization, merger or consolidation, of
the Outstanding Company Common Stock and Outstanding Company Voting Securities,
as the case may be, (ii) no Person (excluding the Company, any employee benefit
plan or related trust) of the Company or such corporation resulting from such
reorganization, merger or consolidation and any Person beneficially owning,
immediately prior to such reorganization, merger or consolidation, directly or
indirectly, 20% or more of the Outstanding Company Common Stock or Outstanding
Voting Securities, as the case may be, beneficially owns, directly or
indirectly, 20% or more of, respectively, the then outstanding shares of common
stock of the corporation resulting from such reorganization, merger or
consolidation or the combined voting power of the then outstanding voting
securities of such corporation entitled to vote generally in the election of
directors and (iii) at least a majority of the members of the board of directors
of the corporation resulting from such reorganization, merger or consolidation
were members of the Incumbent Board at the time of the execution of the initial
agreement providing for such reorganization, merger or consolidation; or

          (d)  Approval by the shareholders of the Company of (i) a complete
liquidation or dissolution of the Company or (ii) the sale or other disposition
of all or substantially all of the assets of the Company, other than to a
corporation, with respect to which following such sale or other disposition, (A)
more than 60% of, respectively, the then outstanding shares of common stock of
such corporation and the combined voting power of the then outstanding voting
securities of such corporation entitled to vote generally in the election of
directors is then beneficially owned, directly or indirectly, by all or
substantially all of the individuals and entities who were the beneficial
owners, respectively, of the Outstanding Company Common Stock and Outstanding
Company Voting Securities immediately prior to such sale or other disposition in
substantially the same proportion as their ownership, immediately prior to such
sale or other disposition, of the Outstanding Company Common Stock and
Outstanding Company Voting Securities, as the case may be, (B) no Person
(excluding the Company and any employee benefit plan (or related trust) of the
Company or such corporation and any Person beneficially owning,

                                      20
<PAGE>
 
immediately prior to such sale or other disposition, directly or indirectly, 20%
or more of the Outstanding Company Common Stock or Outstanding Company Voting
Securities, as the case may be beneficially owns, directly or indirectly, 20% or
more of, respectively, the then outstanding shares of common stock of such
corporation and the combined voting power of the then outstanding voting
securities of such corporation entitled to vote generally in the election of
directors and (C) at least a majority of the members of the board of directors
of such corporation were members of the Incumbent Board at the time of the
execution of the initial agreement or action of the Board providing for such
sale or other disposition of assets of the Company.

     IN WITNESS WHEREOF, MCN Corporation has caused this Plan to be executed as
of this 1st day of January, 1996.

                        MCN CORPORATION


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



Restated: March 11, 1996

                                      21
<PAGE>
 
                                      MCN

                     EXECUTIVE DEFERRED COMPENSATION PLAN

                            DEFERRAL ELECTION FORM


================================================================================
Employee Name                       | Social Security No.        | I.D. 
Number

- --------------------------------------------------------------------------------
Address (Number/Street)            | City               | State    |Zip Code

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

     In accordance with the terms of the MCN Executive Deferred Compensation
     Plan ("Plan") which is hereby incorporated by reference, I hereby accept
     and agree to all the provisions of the Plan and irrevocably elect pursuant
     to Section 2 of the Plan to defer a portion of my compensation as indicated
     below.


     Amount to be Deferred
     ---------------------

     I designate the following amounts to be deferred under the terms of the
     Plan:

     $       .00  Annual Incentive Compensation (up to a maximum of 100% of the
                  current year's target Annual Incentive Compensation less the
                  applicable FICA tax)

     $       .00  Annual Base Salary (a minimum required deferral of $3,000 up
                  to a maximum of 30% of Annual Base Salary in $1,000
                  increments, but in no event may Annual Base Salary be reduced
                  below the Social Security Wage Base)

     Payment Election
     ----------------

       That the amount deferred shall be paid to me after termination of my
       employment with the Company and its subsidiaries by reason of retirement,
       disability, or death, in the manner specified below:

       ____    Lump-sum payment

       ____    Payment in monthly installments over _____ years (in 5 year
               increments, not to exceed 15 years)

     I understand that, in addition to the above payment, I may be eligible for
     a hardship withdrawal pursuant to Section 5 of the Plan.

     Termination Election
     --------------------

       That the amount deferred shall be paid to me after termination of my
       employment with the Company and its subsidiaries for any reason, other
       than retirement, disability or death, or after my designation as an
       Executive is revoked, in the manner specified below:

       ___  Lump-sum payment

       ___  Payment in monthly installments over 3 years.


<PAGE>
 
================================================================================
Employee Signature                                              | Date

- --------------------------------------------------------------------------------
Receipt Acknowledged By                         | Title      | Date

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

Revised March 8, 1996

<PAGE>
 
                                      MCN

                     EXECUTIVE DEFERRED COMPENSATION PLAN

                         BENEFICIARY DESIGNATION FORM


- --------------------------------------------------------------------------------
Employee Name                  | Social Security No.        |I.D.
Number                         |                            |  
- --------------------------------------------------------------------------------
Address (Number/Street)        | City            | State    |Zip Code
- --------------------------------------------------------------------------------

     I HEREBY DESIGNATE, PURSUANT TO SUBSECTION 1.06 OF THE ABOVE-REFERENCED
     PLAN, THE BELOW DESIGNATED PERSON(S) AS MY BENEFICIARY IN THE EVENT OF MY
     DEATH:

- --------------------------------------------------------------------------------
BENEFICIARY'S NAME            | ADDRESS
- --------------------------------------------------------------------------------

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

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

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

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

     IN THE EVENT ANY OF THE ABOVE-NAMED BENEFICIARIES SHOULD PREDECEASE ME, OR
     SHALL SURVIVE ME BUT DIE BEFORE RECEIVING ALL AMOUNTS TO BE PAID, I HEREBY
     NAME THE FOLLOWING AS A CONTINGENT BENEFICIARY TO RECEIVE ANY SUCH UNPAID
     AMOUNTS:

- --------------------------------------------------------------------------------
BENEFICIARY'S NAME            | ADDRESS
- --------------------------------------------------------------------------------

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

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

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

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

     IN THE EVENT NONE OF THE ABOVE-NAMED BENEFICIARIES SURVIVE ME, ANY UNPAID
     AMOUNTS SHALL BE PAID TO MY LAWFUL SUCCESSOR IN INTEREST. I RESERVE THE
     RIGHT TO CHANGE THIS BENEFICIARY DESIGNATION AT ANY TIME BY FILING WITH THE
     COMMITTEE OR ITS DESIGNEE A NEW BENEFICIARY DESIGNATION FORM.

     I UNDERSTAND THAT MY MOST RECENT ELECTION AS TO THE BENEFICIARY DESIGNATION
     WILL APPLY TO ALL AWARD AMOUNTS DEFERRED BY ME AT ANY TIME.


- --------------------------------------------------------------------------------
<PAGE>
 
Employee Signature                                                 | Date
- --------------------------------------------------------------------------------
Receipt Acknowledged By                   | Title            | Date
- --------------------------------------------------------------------------------

<PAGE>


                                MCN CORPORATION

                        SUPPLEMENTAL DEATH BENEFIT AND
                            RETIREMENT INCOME PLAN



     THIS PLAN, executed as of this 4th day of January, 1989, shall provide each
director and employee designated by the Board of Directors of the Company with
the benefits specified for a Director or employee under the MichCon Supplemental
Death Benefit and Retirement Income Plan ("MichCon Plan") as in effect as of
January 4, 1989, and as amended from time to time, subject to all the terms and
conditions as specified in the Plan. The MichCon Plan and all its provisions are
attached hereto and hereby incorporated by reference. The benefits under this
Plan are in lieu of those otherwise payable by MichCon.

     IN WITNESS WHEREOF, the undersigned officer of the Corporation has executed
this Plan on behalf of the Corporation as of January 1, 1990.



                             MCN CORPORATION



                             By:  /s/ Daniel L. Schiffer
                                  ------------------------
                                      Daniel L. Schiffer


                               Its:            Secretary
                                    --------------------------------
<PAGE>
 












                                    MICHCON

                        SUPPLEMENTAL DEATH BENEFIT AND

                            RETIREMENT INCOME PLAN

             (as amended and restated effective October 28, 1993)
<PAGE>
 
                               TABLE OF CONTENTS


<TABLE> 
<CAPTION> 


Section                                                                    PAGE
- -------                                                                    ----
<S>                                                                        <C>
ARTICLE 1..................................................................   1
     Title
 
ARTICLE 2..................................................................   1
     Definitions
 
ARTICLE 3..................................................................   6
     Purpose
 
ARTICLE 4..................................................................   6
     Effective Date
 
ARTICLE 5..................................................................   6
     Participation
 
ARTICLE 6..................................................................   7
     Benefits
 
ARTICLE 7..................................................................  10
     Conditions for Benefits
 
ARTICLE 8..................................................................  13
     Unfunded Plan
 
ARTICLE 9..................................................................  13
     Assignment
 
ARTICLE 10.................................................................  13
     Administration
 
ARTICLE 11.................................................................  14
     Amendment, Suspension or Termination
 
ARTICLE 12.................................................................  15
     Legal Fees and Expenses
 
ARTICLE 13.................................................................  16
     No Employment Rights and Not a Contract to Continue in Office

</TABLE>
<PAGE>
 
                                    MICHCON
                        SUPPLEMENTAL DEATH BENEFIT AND
                            RETIREMENT INCOME PLAN
                    (as amended effective January 1, 1990)

                                   ARTICLE 1

                                    TITLE 

   The title of this plan shall be the "MichCon Supplemental Death Benefit and
Retirement Income Plan."

                                   ARTICLE 2

                                  DEFINITIONS

   The following words and phrases used herein shall have the following
respective meanings unless the context clearly requires otherwise:

   (1)  Board: The Board of Directors of MCN Corporation.

   (2)  Cause: Cause shall mean repeated material breaches of an Employee's
        duties of employment which are not cured after receipt by the Employee
        of written notice specifying such breaches or the Employee's conviction
        of a felony involving moral turpitude.

   (3)  Change of Control:  Change of Control shall mean:

        (a)  The acquisition by any individual, entity or group (within the
             meaning of Section 13(d)(3) or 14(d)(2) of the Securities Exchange
             Act of 1934, as amended (the "Exchange Act")) (a "Person") of
             beneficial ownership (within the meaning of Rule 13d-3 promulgated
             under the Exchange Act) of 20% or more of either (i) the then
             outstanding shares of common stock of MCN Corporation (the
             "Outstanding MCN Common Stock") or (ii) the combined voting power
             of the then outstanding voting securities of MCN

                                       1
<PAGE>
 
             Corporation entitled to vote generally in the election of directors
             (the "Outstanding MCN Voting Securities"): provided, however, that
             the following acquisitions shall not constitute a Change of
             Control: (i) any acquisition directly from MCN Corporation
             (excluding an acquisition by virtue of the exercise of a conversion
             privilege), (ii) any acquisition by MCN Corporation, (iii) any
             acquisition by any employee benefit plan (or related trust)
             sponsored or maintained by MCN Corporation or any corporation
             controlled by MCN Corporation or (iv) any acquisition by any
             corporation pursuant to a reorganization, merger or consolidation,
             if, following such reorganization, merger or consolidation, the
             conditions described in clauses (i), (ii) and (iii) of subsection
             (c) of this Section 2 are satisfied; or

        (b)  Individuals who, as of the date hereof, constitute the Board of
             Directors of MCN Corporation (the "Incumbent Board") cease for any
             reason to constitute at least a majority of the Board; provided,
             however, that any individual becoming a director subsequent to the
             date hereof whose election, or nomination for election by MCN
             Corporation's shareholders, was approved by a vote of at least a
             majority of the directors then comprising the Incumbent Board shall
             be considered as though such individual were a member of the
             Incumbent Board, but excluding, for this purpose, any such
             individual whose initial assumption of office occurs as a result of
             either an actual or threatened election contest (as such terms are
             used in Rule 14a-11 of Regulation 14A promulgated under the
             Exchange Act) or other actual or threatened solicitation of proxies
             or consents by or on behalf of a Person other than the Board; or

        (c)  Approval by the shareholders of MCN Corporation of a
             reorganization, merger or consolidation, in each case, unless,
             following such reorganization, merger or consolidation, (i) more
             than 60% of, respectively, the then outstanding shares of common
             stock of the corporation resulting from such

                                       2
<PAGE>
 
             reorganization, merger or consolidation and the combined voting
             power of the then outstanding voting securities of such corporation
             entitled to vote generally in the election of directors is then
             beneficially owned, directly or indirectly, by all or substantially
             all of the individuals and entities who were the beneficial owners,
             respectively, of the Outstanding MCN Common Stock and Outstanding
             MCN Voting Securities immediately prior to such reorganization,
             merger or consolidation is substantially the same proportions as
             their ownership, immediately prior to such reorganization, merger
             or consolidation, of the Outstanding MCN Common Stock and
             Outstanding MCN Voting Securities, as the case may be, (ii) no
             Person (excluding MCN Corporation, any employee benefit plan or
             related trust sponsored or maintained by MCN Corporation or any
             corporation controlled by MCN Corporation or such corporation
             resulting from such reorganization, merger or consolidation and any
             Person beneficially owning, immediately prior to such
             reorganization, merger or consolidation, directly or indirectly,
             20% or more of the Outstanding MCN Common Stock or Outstanding MCN
             Voting Securities, as the case may be) beneficially owns directly
             or indirectly, 20% or more of, respectively, the then outstanding
             shares of common stock of the corporation resulting from such
             reorganization, merger or consolidation or the combined voting
             power of the then outstanding voting securities of such corporation
             entitled to vote generally in the election of directors and (iii)
             at least a majority of the members of the board of directors of the
             corporation resulting from such reorganization, merger or
             consolidation were members of the Incumbent Board at the time of
             the execution of the initial agreement providing for such
             reorganization, merger or consolidation; or

        (d)  Approval by the shareholders of MCN Corporation of (i) a complete
             liquidation or dissolution of MCN Corporation or (ii) the sale or
             other

                                       3
<PAGE>
 
             disposition of all or substantially all of the assets of MCN
             Corporation, other than to a corporation, with respect to which
             following such sale or other disposition, (A) more than 60% of,
             respectively, the then outstanding shares of common stock of such
             corporation and the combined voting power of the then outstanding
             voting securities of such corporation entitled to vote generally in
             the election of directors is then beneficially owned, directly or
             indirectly, by all or substantially all of the individuals and
             entities who were the beneficial owners, respectively, of the
             Outstanding MCN Common Stock and Outstanding MCN Voting Securities
             immediately prior to such sale or other disposition in
             substantially the same proportion as their ownership, immediately
             prior to such sale or other disposition, of the Outstanding MCN
             Common Stock and Outstanding MCN Voting Securities, as the case may
             be, (B) no Person (excluding MCN Corporation, any employee benefit
             plan or related trust sponsored or maintained by MCN Corporation or
             any corporation controlled by MCN Corporation, or such corporation
             resulting from such reorganization, merger or consolidation, and
             any Person beneficially owning, immediately prior to such sale or
             other disposition, directly or indirectly, 20% of more of the
             Outstanding MCN Common Stock or Outstanding MCN Voting Securities,
             as the case may be) beneficially owns, directly or indirectly, 20%
             or more of, respectively, the then outstanding shares of common
             stock of such corporation and the combined voting power of the then
             outstanding voting securities of such corporation entitled to vote
             generally in the election of directors and (C) at least a majority
             of the members of the board of directors of such corporation were
             members of the Incumbent Board at the time of the execution of the
             initial agreement or action of the Board providing for such sale or
             other disposition of assets of MCN Corporation.

   (4)  Committee: The Compensation Committee of the Board.

                                   4        
<PAGE>
 
   (5)  Company:  Michigan Consolidated Gas Company.
        
   (6)  Dependent Child: A natural born or legally adopted child, stepchild or
        foster child of an Employee, including children conceived at the date of
        death, which child is unmarried, is not in the armed forces of any
        country, has not attained the age of 21, and prior to the death of the
        Survivor was dependent upon such Survivor for his or her principal
        support and maintenance and, if a stepchild or foster child, resided in
        such Survivor's household. If, with respect to an Employee, there are
        more than four persons who qualify under the preceding sentence at
        anytime, only the four youngest such persons shall be treated as
        qualifying.

   (7)  Directors: Members of the Board who are not also employees of the
        Company or of a Subsidiary.

   (8)  Employees: Key salaried employees of the Company or a Subsidiary who are
        employed in an executive, administrative, or professional capacity.

   (9)  Final Annual Salary: The regular basic annual salary for an Employee
        before any payroll deductions, Section 401(k) contributions, non-
        qualified deferred compensation contributions, or cafeteria plan
        election, but excluding bonuses, awards and severance payments. This
        amount shall be determined at the time the employment of the Employee
        ceases as a result of retirement, termination or death.

   (10) Good Reason: Good Reason means (i) a significant change in the
        Employee's authority, duties, responsibilities or status within MCN from
        those which existed immediately prior to the Change in Control; (ii) a
        change (other than a bona fide promotion) in the Employee's title or
        office; (iii) a reduction in the Employee's compensation or benefits
        existing immediately prior to the Change in Control; (iv) a change in
        the Employee's assigned place of employment requiring physical
        relocation, or a material change in the Employee's business travel
        obligations; (v) any similar significant change in the requirements,
        responsibilities or compensation of the Employee from the arrangements
        immediately prior to the Change in Control imposed by MCN without the
        express written


                                       5

<PAGE>
 
        consent of the Employee; or (vi) any other changes in working conditions
        that a reasonable man holding a similar position would find untenable.

   (11) MCN: MCN Corporation
       
   (12) Plan: MichCon Supplemental Death Benefit and Retirement Income Plan.
        
   (13) Subsidiary: Any corporation in which the Company owns, directly or
        indirectly, stock possessing 50 percent or more of the total combined
        voting power of all classes of stock.

   (14) Survivor: The Employee or the Employee's spouse (if any) whose
        
        death occurs last.

                                   ARTICLE 3

                                    PURPOSE
                              

   The purpose of the Plan is to improve the ability of the Company and its
Subsidiaries to attract and retain executives and directors.

                                   ARTICLE 4

                                EFFECTIVE DATE
                                

            The effective date of the Plan shall be June 22, 1988.

                                   ARTICLE 5

                                 PARTICIPATION

   Participation in the Plan is limited to Employees and Directors who are
recommended by the Committee and approved by the Board. No person shall have a
right to participate in the Plan without approval by the Board. Participation in
the Plan shall be evidenced by a written agreement executed between the Company
and the Employee or Director. No person eligible for benefits under this Plan as
an Employee shall be eligible for benefits under this Plan as a Director.

                                       6
<PAGE>
 
                                   ARTICLE 6

                                   BENEFITS
                             

A. Pre-Retirement Death Benefit
   
        Provided the conditions specified in Article 7, Section A are satisfied,
   the Company will pay solely to the surviving spouse of an Employee who
   participated in the Plan, a pre-retirement death benefit of 1/24th of the
   Employee's Final Annual Salary during the month of the Employee's death and
   monthly thereafter through and including the month the Employee would have
   attained age 65, and thereafter, monthly payments of 1/60th of the Employee's
   Final Annual Salary through and including the month in which the Employee
   would have attained age 75. All such payments will be made only during the
   lifetime of the Employee's surviving spouse and will cease upon the death of
   said spouse. With respect to Directors, provided the conditions specified in
   Article 7, Section A are satisfied, the Company will pay solely to the
   surviving spouse of a Director who participated in the Plan, a pre-retirement
   death benefit of $100,000 at the time of the Director's death. Payment will
   be made only to the Director's surviving spouse and no payment will be made
   if there is no surviving spouse.

B. Post-Retirement Benefit
   
        Provided the conditions specified in Article 7, Section B are satisfied,
   the Company will pay to an Employee or Director who participated in the Plan,
   a post-retirement benefit. An Employee who retires prior to age 62 and the
   Employee's surviving spouse are not eligible (without approval of the
   Committee) to begin receiving any post-retirement benefit until the date that
   the Employee attains or would have attained age 62 had the Employee lived. A
   Director who ceases to hold office as a Director prior to age 65 is not
   eligible (without approval of the Committee) to receive any post-retirement
   benefit. If such approval is obtained, post-retirement benefits will begin on
   the date the Director attains or would have attained age 65 had the Director
   lived, unless otherwise approved by the Committee.

                                       7
<PAGE>
 
        An Employee shall elect, at least 30 days prior to the Employee's
   retirement (or at least 30 days prior to attaining age 62 if the second
   paragraph of Article 7, Section D applies to the Employee), on a form
   approved by the Committee, to receive a post-retirement benefit pursuant to
   any one of the following options. A Director shall elect, at least 30 days
   prior to the Director ceasing to hold office as a Director (or at least 30
   days prior to attaining age 65 if the third paragraph of Article 7, Section D
   applies to the Director), on a form approved by the Committee, to receive a
   post-retirement benefit pursuant to either Option A or C.

   1.   Supplemental Retirement Benefit Options
        
        OPTION A. The Company will pay to an Employee, in equal monthly
        payments, 20% of the Employee's Final Annual Salary each year for each
        of the first 10 years following the Employee's retirement from the
        Company or a Subsidiary or following the Employee's attainment of age
        62, whichever is later. With respect to Directors, the Company will pay
        to a Director, in equal monthly payments, $10,000 each year for each of
        the first 10 years following the Director's ceasing to hold office as a
        Director. Such payments will be made only to the Employee or Director,
        or in the event of the Employee's or Director's death, to the Employee's
        or Director's surviving spouse, and upon the death of the survivor
        thereof shall cease.
                              OR
                             
        OPTION B. The Company will pay to an Employee, in equal monthly
        payments, 15% of the Employee's Final Annual Salary each year for each
        of the first 15 years following the Employee's retirement from the
        Company or a Subsidiary or following the Employee's attainment of age
        62, whichever is later. Such payments will be made only to the Employee,
        or in the event of the Employee's death, to the Employee's surviving
        spouse, and upon the death of the survivor thereof shall cease.

                              OR
                                       8
                             
<PAGE>
 
   2.   Post-Retirement Death Benefit Options
        

        OPTION C. The Company will pay solely to an Employee's surviving spouse,
        the sum of 332% of the Employee's Final Annual Salary upon the later of
        the Employee's death or the date the Employee would have attained age 62
        had the Employee lived. With respect to Directors, the Company will pay
        solely to the Director's surviving spouse, the sum of $100,000 upon the
        death of a Director if the death occurs after the Director ceased to
        hold office as a Director. No payment will be made if there is no
        surviving spouse.
                              OR
                              
        OPTION D. The Company will pay solely to an Employee's surviving spouse,
        in equal monthly payments, 42% of the Employee's Final Annual Salary
        each year for each of the first 10 years following the later of the
        Employee's death or the date the Employee would have attained age 62 had
        the Employee lived. Such payments will be made only during the lifetime
        of the Employee's surviving spouse and will cease upon the death of said
        spouse.
                              OR
                             
        OPTION E. The Company will pay solely to an Employee's surviving spouse,
        in equal monthly payments, 32% of the Employee's Final Annual Salary
        each year for each of the first 15 years following the later of the
        Employee's death or the date the Employee would have attained age 62 had
        the Employee lived. Such payments will be made only during the lifetime
        of the Employee's surviving spouse and will cease upon the death of said
        spouse.

C. Dependent Child Benefit

        Provided the conditions specified in Article 7, Section C are satisfied,
   the Company will pay to a Dependent Child of an Employee who participated in
   the Plan, a dependent child benefit of 1/96th of the Employee's Final Annual
   Salary during the month of the Survivor's death and monthly thereafter
   through and including the month the Dependent Child attains age 21. All such

                                       9
<PAGE>
 
   payments are limited to persons who qualify as a Dependent Child and no other
   person shall receive any dependent child benefit.

D. Assumption of Liability for Benefits
   
        The Company will assume Primark Corporation's obligations with respect
   to each person who was covered by the Primark Corporation Supplemental Death
   Benefit and Retirement Income Plan and who is a Director or Employee of the
   Company immediately after the effective date of the spin-off of the Company
   from Primark Corporation except for the obligation to the person who,
   immediately before the spin-off, was the Chief Executive Officer of Primark
   Corporation.

                                   ARTICLE 7

                            CONDITIONS FOR BENEFITS
                            

A. Pre-Retirement Death Benefit
   
        Subject to the following conditions, the pre-retirement death benefit
   provided in Article 6, Section A shall be paid to an Employee's or Director's
   surviving spouse.

CONDITIONS

   1.   The Employee shall have been in the continuous employ of the Company or
        a Subsidiary from the date of participation in the Plan until the time
        of the Employee's death. With respect to Directors, the Director shall
        have served continuously on the Board from the date of participation in
        the Plan until the time of the Director's death; and

   2.   The Employee shall have died while in the employ of the Company or a
        Subsidiary and prior to the Employee's actual retirement from the
        Company or a Subsidiary. With respect to Directors, the Director shall
        have died while holding office.

B. Post-Retirement Benefit
   
        Subject to the following conditions, the post-retirement death benefit
   provided in Article 6, Section Bl or B2 shall be paid to an Employee or
   Director or the respective surviving spouse.

                                      10
<PAGE>
 
   CONDITIONS
   
   1.   The Employee shall have been in the continuous employ of the Company or
        a Subsidiary from the date of participation in the Plan until the time
        of the Employee's retirement. With respect to Directors, the Director
        shall have served continuously on the Board from the date of
        participation in the Plan until the Director attains age 65, unless
        otherwise approved by the Committee; and

   2.   The Employee shall have retired from the Company or a Subsidiary in
        accordance with the terms of the MichCon Retirement Plan. With respect
        to Directors, the Director shall have ceased to hold office as a
        Director, otherwise than by death.

C. Dependent Child Benefit
  
        Subject to the following conditions, the dependent child benefit
   provided in Article 6, Section C shall be paid to any person who qualifies as
   a Dependent Child.

   CONDITIONS
   
   1.   The Employee shall have been in the continuous employ of the Company or
        a Subsidiary from the date of participation in the Plan until the time
        of the Employee's death; and

   2.   The Employee shall have died while in the employ of the Company or a
        Subsidiary and prior to the Employee's actual retirement from the
        Company or a Subsidiary; and

   3.   The Employee's spouse (if any) shall have died; and

   4.   A Dependent Child survives.

D. Continued Services Required
   
        Except as provided in this Section, all rights to benefits under this
   Plan shall terminate upon termination of the Employee's employment with the
   Company or a Subsidiary for any reason other than the Employee's death or
   retirement in accordance with the terms of the MichCon Retirement Plan. With
   respect to Directors, except as provided in this Section, all rights to
   benefits under this Plan shall terminate if the Director ceases to hold
   office as a Director before the Director attains age 65, unless otherwise
   approved by the Committee.

                                      11
<PAGE>
 
     Notwithstanding any other provision of this Plan, if (1) a Change in
Control occurs, (2) the Employee was either admitted to participation in the
Plan on or before July 1, 1988, or the Change in Control occurs more than 12
months (or such shorter period as approved by the Committee) after the Employee
was admitted to participation in the Plan, and (3) within 60 months after the
Change in Control occurs, the employment of the Employee is terminated (i) by
the Company other than for Cause or (ii) by the Employee for Good Reason, then
all rights to benefits under this Plan shall continue as if such termination of
employment had not occurred. A pre-retirement death benefit shall be available
if such person dies prior to attaining age 62, and a post-retirement benefit
shall be available when such person attains age 62.

     Notwithstanding any other provision of this Plan, if (1) a Change in
Control occurs, (2) the Director was either admitted to participation in the
Plan on or before July 1, 1988, or the Change in Control occurs more than 12
months (or such shorter period as approved by the Committee) after the Director
was admitted to participation in the Plan, and (3) as part of or within 60
months after the Change in Control, the Director ceases to hold office otherwise
than (i) removal by the shareholders for Cause, or (ii) resignation by the
Director, then all rights to benefits shall continue as if the Director had
continued to hold office. A pre-retirement death benefit shall be available if
such Director dies prior to attaining age 65, and a post-retirement benefit
shall be available when such Director attains age 65.

     Notwithstanding any other provision of this Plan, if an Employee is
admitted to participation in the Plan, and has reached age 55, and thereafter,
the employment of the Employee is terminated prior to retirement other than for
Cause, then all rights to benefits under this Plan accrued as of the later of
December 31, 1993 or on December 31 of the year the employee reaches age 55
shall continue as if such termination of employment had not occurred. A pre-
retirement death benefit shall be available if such person dies prior to
attaining age 62, and a post-retirement benefit shall be available when such
person attains age 62.

                                      12
<PAGE>
 
                                   ARTICLE 8

                                 UNFUNDED PLAN
                                 
   This Plan shall not be a funded plan. Any insurance Policy or other asset
acquired or held by the Company in connection with this Plan shall not be deemed
to be held by the Company in trust for any person, or to be security for the
performance of any obligations of the Company, but shall be and remain a general
asset of the Company. No person shall have any property interest in any specific
assets of the Company. Any rights acquired pursuant to the Plan shall be those
of an unsecured creditor. The obligation to make payments under this Plan shall
be and remain an unsecured, unfunded general obligation of the Company.

                                  ARTICLE 9 

                                  ASSIGNMENT
                              
   No benefit hereunder of any person is assignable or transferable to any other
person nor may such be sold, assigned, conveyed, or otherwise transferred or
hypothecated.

                                  ARTICLE 10

                                ADMINISTRATION
                                
   This Plan shall be administered by the Committee. The Committee shall have
full authority and responsibility to interpret and administer the terms of the
Plan and may adopt rules and regulations governing the administration of the
Plan.

   The Committee shall be responsible for making recommendations to the Board
with respect to Employees and Directors who are to participate in the Plan. In
discharging this responsibility, the Committee may consult with individual
members of the Board, with the management of the Company or with such other
persons as the Committee may deem appropriate.

                                      13
<PAGE>
 
   The Board shall determine which Employees and Directors shall participate in
the Plan, based upon the recommendations of the Committee, and the Board's own
consideration of who should participate in the Plan.

   The Committee, in its absolute discretion, may cause benefit payments to an
Employee to commence prior to the Employee attaining age 62 if it deems such
action appropriate to the circumstances.

   The Committee, in its absolute discretion, may provide benefits to a Director
even if the Director fails to hold office until the Director attains age 65 and
may cause benefit payments to such Director to commence prior to the Director
attaining age 65 if it deems such action appropriate to the circumstances.

   The Committee, in its absolute discretion, may provide benefits to an
Employee or Director even if such person was admitted to participation in the
Plan or the Primark Corporation Supplemental Death Benefit and Retirement Income
Plan within 12 months of a Change in Control.

   Any member of the Committee or of the Board who is being considered for
eligibility or who would be affected by a matter being considered shall not vote
or act on such matter.

                                  ARTICLE 11

                     AMENDMENT, SUSPENSION OR TERMINATION
                     

   MCN's Board of Directors may at any time amend, suspend or terminate the
Plan, or any part thereof, for any purpose; provided, however, that no such
amendment, suspension or termination shall affect any agreement between an
Employee or Director and MCN without the written consent of the Employee or
Director.

                                      14
<PAGE>
 
                                  ARTICLE 12

                            LEGAL FEES AND EXPENSES
                            

   MCN shall pay all legal fees and expenses that an Employee or Director
admitted to participation in the Plan, or such Employee's or Director's spouse
or Dependent Child may incur as a result of MCN contesting the validity,
enforceability, or any such person's interpretation of, or determinations under
this Plan; provided, however, MCN shall not be required to pay any fees or
expenses of any such person unsuccessfully seeking to obtain benefits following
a Change in Control based upon termination of employment or removal from office
for Cause.

                                      15
<PAGE> 
                                  ARTICLE 13

                           NO EMPLOYMENT RIGHTS AND
                           
                     NOT A CONTRACT TO CONTINUE IN OFFICE
                             

   Nothing contained in the Plan and no actions taken pursuant to the provisions
of the Plan shall be construed as a contract of employment between the Company
or a Subsidiary and an Employee, or as a right of any Employee to be continued
in the employment of the Company or a Subsidiary, or as a limitation of the
right of the Company or a Subsidiary to discharge any Employee at any time, with
or without cause, or as a limitation of the right of the Employee to terminate
employment at any time.

   Nothing contained in the Plan and no actions taken pursuant to the provisions
of the Plan shall be construed as a contract for services between the Company
and a Director, or as a right of a Director to continue to serve as a director,
or as a limitation of the right of shareholders to remove a Director from
office, with or without cause, or as a limitation of the right of the Director
to resign from office.

   IN WITNESS WHEREOF, the undersigned officer of the Company has executed this
Plan as of this 28th day of October, 1993.

                        MICHIGAN CONSOLIDATED GAS COMPANY


                        By:   /s/ Stephen E. Ewing
                           -----------------------------------------------------
                                  Stephen E. Ewing,
                                  President and Chief Executive
                                  Officer



Restated October 28, 1993

                                      16
<PAGE>
 
                                MCN CORPORATION

                        SUPPLEMENTAL DEATH BENEFIT AND

                          RETIREMENT INCOME AGREEMENT

                                   EMPLOYEE


   THIS AGREEMENT is made this __ day of __________, __________, between MCN
Corporation, a Michigan Corporation, (the "Corporation") and __________________,
an employee of the Corporation (the "Employee").

                                  WITNESSETH

   WHEREAS, the Employee has agreed to serve as an officer of the Corporation
and the Corporation desires to encourage the Employee to continue to perform his
or her duties in a capable and efficient manner.

   NOW, THEREFORE, in consideration of the foregoing and the benefits to be
derived hereunder, the Corporation and Employee agree as follows:

   The Employee shall receive the benefits of an Employee under the MichCon
Supplemental Death Benefit and Retirement Income Plan ("Plan") as in effect on
this date subject to all the terms and conditions as specified in the Plan. The
Plan and all its provisions are hereby incorporated by reference. The benefits
under this Agreement are in lieu of those otherwise payable by MichCon.

                                      17
<PAGE>
 
IN WITNESS WHEREOF, the undersigned officer of the Corporation has executed this
agreement on behalf of the Corporation and the Employee has executed this
agreement on the date first above written:

                                       MCN CORPORATION
                                       By:  
                                            ------------------------------------
                                       Its: Secretary
                                            ------------------------------------

                                       EMPLOYEE

                                       -----------------------------------------
                                       Employee
<PAGE>
 
                                MCN CORPORATION
                        SUPPLEMENTAL DEATH BENEFIT AND
                          RETIREMENT INCOME AGREEMENT
                             OPTION ELECTION FORM

                                   EMPLOYEE

Name                                        Soc. Sec. No.
    -------------------------------                      -----------------------
Retirement Date                             I. D. No.
                -------------------                  ---------------------------
Name of Spouse                              Soc. Sec. No.
              ---------------------                      -----------------------


I hereby elect to receive the following post-retirement benefit under my
Supplemental Death Benefit and Retirement Agreement with MCN Corporation which
is subject to all the terms and conditions specified in the MichCon Supplemental
Death Benefit and Retirement Income Plan ("Plan").  The Plan and all its
provisions are hereby incorporated by reference.

                        ________  Option A
                        ________  Option B
                        ________  Option C
                        ________  Option D
                        ________  Option E

I understand that once having retired, I may not change this election.


- -----------------------------------         ------------------------------------
   Date                                     Employee

- -----------------------------------         ------------------------------------
   Date                                     Witness 
<PAGE>
 
                                MCN CORPORATION

                        SUPPLEMENTAL DEATH BENEFIT AND

                          RETIREMENT INCOME AGREEMENT

                                   DIRECTOR

     THIS AGREEMENT is made this______ day of ___________________, 19__, between
MCN Corporation, a Michigan Corporation, (the "Corporation") and
________________________, a non-employee director of the Corporation (the
"Director").

                                  WITNESSETH

     WHEREAS, the Director has agreed to serve On the Board of Directors of the
Corporation and the Corporation desires to encourage the Director to continue to
perform his or her duties in a capable and efficient manner.


     NOW, THEREFORE, in consideration of the foregoing and the benefits to be
derived hereunder, the Corporation and Director agree as follows:


     The Director shall receive the benefits of a Director under the MichCon
Supplemental Death Benefit and Retirement Income Plan ("Plan") as in effect as
of January 4, 1989 subject to all the terms and conditions as specified in the
Plan.  The Plan and all its provisions are hereby 
<PAGE>
 
incorporated by reference. The benefits under this Agreement are in lieu of
those otherwise payable by MichCon.

     IN WITNESS WHEREOF, the undersigned officer of the Corporation has executed
this agreement on behalf of the Corporation and the Director has executed this
agreement on the date first above written:


                                       MCN CORPORATION

                                       By:
                                           -------------------------------------

                                       Its:        Secretary
                                           -------------------------------------


                                       DIRECTOR


                                       -----------------------------------------
                                                   Director
<PAGE>
 
                                MCN CORPORATION

                        SUPPLEMENTAL DEATH BENEFIT AND

                          RETIREMENT INCOME AGREEMENT

                             OPTION ELECTION FORM

                                   DIRECTOR

Name                                     Soc. Sec. No.                         
    -----------------------------------               --------------------------
Last Date to Hold Office               
                        --------------- 
Name of Spouse                           Soc. Sec. No.                         
              -------------------------               --------------------------

I hereby elect to receive the following post-retirement benefit under the
MichCon Supplemental Death Benefit and Retirement Income Plan ("Plan"), subject
to all the terms and conditions specified in the Plan.  The Plan and all its
provisions are hereby incorporated by reference.

                               ________  Option A
                               ________  Option C


I understand that once having ceased to serve on the Board of Directors of MCN
Corporation, I may not change this election.

- ---------------------------------------  ---------------------------------------
   Date                                      Director

- ---------------------------------------  ---------------------------------------
   Date                                      Witness 

<PAGE>

                                      MCN
                         SUPPLEMENTAL RETIREMENT PLAN
                         ----------------------------

                                MCN CORPORATION
                                ---------------

          On behalf of MCN Corporation, I hereby adopt the MichCon Supplemental
Retirement Plan, effective as of January 1, 1990, and as amended from time to
time, so as to provide benefits to officers and other employees of MCN
Corporation under the terms and conditions of said plan.


                                MCN Corporation



                          By:   /s/ Alfred R. Glancy III
                                ------------------------------------
                                    Alfred R. Glancy III
                                Chairman and Chief Executive Officer



       August 15, 1992
- ------------------------------
<PAGE>
 














                                    MICHCON

                         SUPPLEMENTAL RETIREMENT PLAN




                    (as amended effective January 1, 1990)
<PAGE>
 
                               TABLE OF CONTENTS


<TABLE> 
<CAPTION> 

Section                                                                     Page
- -------                                                                     ----
<S>                                                                         <C>
ARTICLE 1..................................................................    1
     Title
 
ARTICLE 2..................................................................    1
     Definitions
 
ARTICLE 3..................................................................    1
     Purpose
 
ARTICLE 4..................................................................    2
     Effective Date
 
ARTICLE 5..................................................................    2
     Eligibility
 
ARTICLE 6..................................................................    2
     Employers' Obligation
 
ARTICLE 7..................................................................    3
     Payment of Benefits
 
ARTICLE 8..................................................................    3
     Unfunded Plan
 
ARTICLE 9..................................................................    4
     Administration
 
ARTICLE 10.................................................................    4
     Amendment and Termination
 
ARTICLE 11.................................................................    4
     Miscellaneous
          Section 11.1 Benefits Non-Assignable.............................    4
          Section 11.2 No Employment Rights................................    4
          Section 11.3 Law Applicable......................................    4
          Section 11.4 Legal Fees and Expenses.............................    5
          Section 11.5 Cause...............................................    5
 
ARTICLE 12.................................................................    5
     Change in Control Provisions
          Section 12.1 General.............................................    5
          Section 12.2 Transfer to Rabbi Trust.............................    5
          Section 12.3 Joint and Several Liability.........................    5
          Section 12.4 Dispute Procedures..................................    5
          Section 12.5 Definition of Change in Control.....................    6

</TABLE>
<PAGE>
 
                                    MICHCON

                         SUPPLEMENTAL RETIREMENT PLAN

                    (as amended effective January 1, 1990)



                                   ARTICLE 1

                                     TITLE
                                     -----



          The title of this plan shall be the "MichCon Supplemental Retirement
Plan" and shall be referred to in this document as the "Plan".



                                   ARTICLE 2

                                  DEFINITIONS
                                  -----------



          The words and phrases used in the Plan shall have the same meanings as
provided under Article 2 of the MichCon Retirement Plan (the "Qualified Plan"),
unless otherwise defined in the Plan or the context clearly requires otherwise.



                                   ARTICLE 3

                                    PURPOSE
                                    -------



          The principal purpose of the Plan is to provide for the payment of
certain benefits that would not otherwise be payable under the Qualified Plan.
Such benefits shall be payable to certain employees of the Company and any other
corporation which is a Participating Employer under the Qualified Plan.

                                       1
<PAGE>
 
                                   ARTICLE 4

                                EFFECTIVE DATE
                                --------------

          The effective date of the Plan for the Company shall be March 31, 1988
and for any Participating Employer shall be the date established by resolution
of the Board of Directors of the particular Participating Employer at the time
of adoption of the Plan.

                                   ARTICLE 5

                                  ELIGIBILITY
                                  -----------

          All employees of Participating Employers whose benefits under the
Qualified Plan are limited because of the limitation on compensation under
Section 401(a)(17) of the Code, the limitation on benefits and contributions
under Section 415 of the Code, or any other provision of the Code or other law
that the Committee hereafter designates shall be eligible for the benefits
provided by this Plan.  Also, all employees of Participating Employers who are
participating in the MichCon Supplemental Savings Plan shall be eligible for
benefits provided by this Plan.  Notwithstanding the foregoing, no employee
shall be eligible for benefits provided by this Plan until such employee has
satisfied the eligibility requirements of the Qualified Plan.

                                   ARTICLE 6

                             EMPLOYERS' OBLIGATION
                             ---------------------

          The Participating Employers shall pay under this Plan any amount that
any eligible employee would have been entitled to receive under the Qualified
Plan but for the limitation on compensation under Section 401(a)(17) of the
Code, the limitation on benefits and contributions under Section 415 of the
Code, and any other provision of the Code or other law that the Committee
hereafter designates.  Also, the Participating Employers shall pay under this
Plan any amount that any eligible employee would have been entitled to receive
under the Qualified Plan but 

                                       2
<PAGE>
 
for the exclusion of deferrals under the MichCon Supplemental Savings Plan from
the definition of Primary Monthly Earnings in the Qualified Plan. Such payments
shall be made by the particular Participating Employer which last employed the
employee with respect to whom the payment is to be made.

                                   ARTICLE 7

                              PAYMENT OF BENEFITS
                              -------------------

          Payments made under this Plan shall be made in all respects at the
same time, in the same manner and to the same person as would have been the case
under the Qualified Plan had the limitations described in Article 6 not been
applicable and the payment had been made under the Qualified Plan.

                                   ARTICLE 8

                                 UNFUNDED PLAN
                                 -------------

          This Plan shall not be a funded plan.  Notwithstanding that, the
Participating Employers may set aside or otherwise earmark company assets for
payment of the benefits payable hereunder.  Title to and ownership of such
assets shall at all times remain in such company, and no eligible employee shall
have any property interest in any specific assets of such company.  Nothing in
the Plan and no action taken pursuant to the provisions of the Plan shall be
deemed to create a trust or fund of any kind or to create a fiduciary
relationship.  The obligation to make payments under this Plan shall be and
remain an unsecured, unfunded general obligation of the Participating Employer.

                                       3
<PAGE>
 
                                   ARTICLE 9

                                ADMINISTRATION
                                --------------

          The Plan shall be administered by the Committee appointed pursuant to
the provisions of Section 14.1 of the Qualified Plan.  The Committee shall have
the same powers and duties, and shall be subject to the same limitations, as are
described in the Qualified Plan.

                                  ARTICLE 10

                           AMENDMENT AND TERMINATION
                           -------------------------

          The Plan shall be subject to the same reserved power of amendment and
termination as the Qualified Plan.

                                  ARTICLE 11

                                 MISCELLANEOUS
                                 -------------

          Section 11.1 Benefits Non-Assignable.  This Plan shall be subject to
the same terms as specified in Section 11.6 of the Qualified Plan, and said
Section is hereby incorporated by reference.

          Section 11.2 No Employment Rights.  Nothing contained in the Plan and
no action taken pursuant to the provisions of the Plan shall be construed as a
contract of employment between an employee and the Company or a Participating
Employer, or as a right of any employee to be continued in the employment of the
Company or a Participating Employer, or as a limitation of the right of the
Company or a Participating Employer to discharge any employee at any time, with
or without cause, or as a limitation of the right of the employee to terminate
employment at any time.

          Section 11.3 Law Applicable.  This Plan and all actions hereunder
shall be governed by and construed according to the laws of the State of
Michigan.

                                       4
<PAGE>
 
          Section 11.4 Legal Fees and Expenses.  The Company shall pay all legal
fees and expenses that any eligible employee may incur as a result of the
Company contesting the validity, enforceability, or such employee's
interpretation of, or determinations under this Plan.

          Section 11.5 Cause.  Cause shall mean repeated material breaches of an
Employee's duties of employment which are not cured after receipt by the
Employee of written notice specifying such breaches or the Employee's conviction
of a felony involving moral turpitude.

                                  ARTICLE 12

                         CHANGE IN CONTROL PROVISIONS
                         ----------------------------

          Section 12.1 General.  In the event of a Change in Control, as defined
in Section 12.5, then, notwithstanding any other provision of the Plan, the
provisions of this Section 12 shall be applicable and shall supersede any
conflicting provisions of the Plan.

          Section 12.2 Transfer to Rabbi Trust.  MCN Corporation ("MCN") has
established a trust pursuant to a Trust Agreement dated January 3, 1991 (the
"Rabbi Trust").  The terms of the Rabbi Trust provide that, in the event of a
Change in Control and thereafter, assets are to be transferred to such trust to
provide benefits under the Plan.  MCN shall make all transfers of funds required
by the Rabbi Trust in a timely manner and shall otherwise abide by the terms of
the Rabbi Trust.

          Section 12.3 Joint and Several Liability.  Upon and at all times after
a Change in Control, the liability under the Plan of MCN and each Affiliated
Employer that has adopted the Plan shall be joint and several so that MCN and
each such Affiliated Employer shall each be liable for all obligations under the
Plan to each employee covered by the Plan, regardless of the corporation by
which such employee is employed.

          Section 12.4 Dispute Procedures.  In the event that, upon or at any
time subsequent to a Change in Control, a claim for benefits under the Plan of a
Participant or distributee who has exhausted the claims and appeals procedures
set forth in Section 13.7 of the Qualified Plan is denied in whole or in part,
the following additional procedures shall be applicable:

               (a)  Any amount that is not in dispute shall be paid to the
          Participant or distributee at the time or times provided herein.

                                       5
<PAGE>
 
          (b)  MCN shall advance to such claimant from time to time such amounts
     as shall be required to reimburse the claimant for reasonable legal fees,
     costs and expenses incurred by such claimant in seeking a judicial
     resolution of his or her claim, including reasonable fees, costs and
     expenses relating to appeals; provided, however, that MCN shall not be
     obligated to advance to the claimant any amounts under this Section 12.4(b)
     unless and until the claimant agrees in writing to repay to MCN,
     immediately upon the occurrence of a final judicial determination with
     respect to such dispute, any amount of such fees, costs and expenses that
     is not awarded to such claimant in a final order of a court of competent
     jurisdiction.

     Section 12.5 Definition of Change in Control.  A "Change of Control" means:
     
          (a)  The acquisition by any individual, entity or group (within the
     meaning of Section 13(d)(3) or 14(d)(2) of the Securities Exchange Act of
     1934, as amended (the "Exchange Act")) (a "Person") of beneficial ownership
     (within the meaning of Rule 13d-3 promulgated under the Exchange Act) of
     20% or more of either (i) the then outstanding shares of common stock of
     MCN Corporation (the "Outstanding MCN Common Stock") or (ii) the combined
     voting power of the then outstanding voting securities of MCN Corporation
     entitled to vote generally in the election of directors (the "Outstanding
     MCN Voting Securities"); provided, however, that the following acquisitions
     shall not constitute a Change of Control: (A) any acquisition directly from
     MCN Corporation (excluding any acquisition by virtue of the exercise of a
     conversion privilege), (B) any acquisition by MCN Corporation, (C) any
     acquisition by any employee benefit plan (or related trust) sponsored or
     maintained by MCN Corporation or any corporation controlled by MCN
     Corporation or (D) any acquisition by any corporation pursuant to a
     reorganization, merger or consolidation, if, following such reorganization,
     merger or consolidation, the conditions described in clauses (i), (ii) and
     (iii) of subsection (c) of this Section 12.5 are satisfied; or

          (b)  Individuals who, as of the date hereof, constitute the Board of
     Directors of MCN Corporation (the "Incumbent Board") cease for any reason
     to constitute at 

                                       6
<PAGE>
 
     least a majority of the Board; provided, however, that any individual
     becoming a director subsequent to the date hereof whose election, or
     nomination for election by MCN Corporation's shareholders, was approved by
     a vote of at least a majority of the directors then comprising the
     Incumbent Board shall be considered as though such individual were a member
     of the Incumbent Board, but excluding, for this purpose, any such
     individual whose initial assumption of office occurs as a result of either
     an actual or threatened election contest (as such terms are used in Rule
     14a-11 of Regulation 14A promulgated under the Exchange Act) or other
     actual or threatened solicitation of proxies or consents by or on behalf of
     a Person other than the Board; or

          (c)  Approval by the shareholders of MCN Corporation of a
     reorganization, merger or consolidation, in each case, unless, following
     such reorganization, merger or consolidation, (i) more than 60% of,
     respectively, the then outstanding shares of common stock of the
     corporation resulting from such reorganization, merger or consolidation and
     the combined voting power of the then outstanding voting securities of such
     corporation entitled to vote generally in the election of directors is then
     beneficially owned, directly or indirectly, by all or substantially all of
     the individuals and entities who were the beneficial owners, respectively,
     of the Outstanding MCN Common Stock and Outstanding MCN Voting Securities
     immediately prior to such reorganization, merger or consolidation in
     substantially the same proportions as their ownership, immediately prior to
     such reorganization, merger or consolidation, of the Outstanding MCN Common
     Stock and Outstanding MCN Voting Securities, as the case may be, (ii) no
     Person (excluding MCN Corporation, any employee benefit plan or related
     trust sponsored or maintained by MCN Corporation or any corporation
     controlled by MCN Corporation or such corporation resulting from such
     reorganization, merger or consolidation and any Person beneficially owning,
     immediately prior to such reorganization, mergers or consolidation,
     directly or indirectly, 20% or more of the Outstanding MCN Common Stock or
     Outstanding MCN Voting Securities, as the case may be)

                                       7
<PAGE>
 
     beneficially owns, directly or indirectly, 20% or more of, respectively,
     the then outstanding shares of common stock of the corporation resulting
     from such reorganization, merger or consolidation or the combined voting
     power of the then outstanding voting securities of such corporation
     entitled to vote generally in the election of directors and (iii) at least
     a majority of the members of the board of directors of the corporation
     resulting from such reorganization, merger or consolidation were members of
     the Incumbent Board at the time of the execution of the initial agreement
     providing for such reorganization, merger or consolidation; or

          (d)  Approval by the shareholders of MCN Corporation of (i) a complete
     liquidation or dissolution of MCN Corporation or (ii) the sale or other
     disposition of all or substantially all of the assets of MCN Corporation,
     other than to a corporation, with respect to which following such sale or
     other disposition, (A) more than 60% of, respectively, the then outstanding
     shares of common stock of such corporation and the combined voting power of
     the then outstanding voting securities of such corporation entitled to vote
     generally in the election of directors is then beneficially owned, directly
     or indirectly, by all or substantially all of the individuals and entities
     who were the beneficial owners, respectively, of the Outstanding MCN Common
     Stock and Outstanding MCN Voting Securities immediately prior to such sale
     or other disposition in substantially the same proportion as their
     ownership, immediately prior to such sale or other disposition, of the
     Outstanding MCN Common Stock and Outstanding MCN Voting Securities, as the
     case may be, (B) no Person (excluding MCN Corporation,  any employee
     benefit plan or related trust sponsored or maintained by MCN Corporation or
     any corporation controlled by MCN Corporation or such corporation resulting
     from such reorganization, merger or consolidation and any Person
     beneficially owning, immediately prior to such sale or other disposition,
     directly or indirectly, 20% or more of the Outstanding MCN Common Stock or
     Outstanding MCN Voting Securities, as the case may be) beneficially owns,
     directly or indirectly, 20% or more of, respectively, the then outstanding
     shares of common stock of such

                                       8
<PAGE>
 
     corporation and the combined voting power of the then outstanding voting
     securities of such corporation entitled to vote generally in the election
     of directors and (C) at least a majority of the members of the board of
     directors of such corporation were members of the Incumbent Board at the
     time of the execution of the initial agreement or action of the Board
     providing for such sale or other disposition of assets of MCN Corporation.

                                       9
<PAGE>
 
     IN WITNESS WHEREOF, the undersigned official of the Company has executed
this Plan as of this 1st day of January, 1990, pursuant to the resolution
adopted by the Board of Directors of the Company.

                                   MICHIGAN CONSOLIDATED GAS COMPANY


                                   By:  /s/ Alfred R. Glancy III
                                   ---------------------------------------------
                                            Alfred R. Glancy III,
                                            Chairman and Chief Executive Officer



Restated August 15, 1992

                                      10

<PAGE>
 
MCN CORPORATION AND SUBSIDIARIES                                    EXHIBIT 12-1
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
(Dollars in Thousands)
                                             
<TABLE> 
<CAPTION> 
                                                Twelve Months         Twelve Months         Twelve Months
                                                   Ended                 Ended                 Ended
                                              September 30, 1996    December 31, 1995     December 31, 1994
                                              ------------------    -----------------     -----------------
<S>                                           <C>                   <C>                   <C> 
EARNINGS AS DEFINED (1) (5)
Pre-tax income (2)                            $          150,635    $         128,997     $         100,143
Fixed charges (3)                                         92,823               72,895                55,197
                                              -------------------   -----------------     -----------------
   Earnings as defined                        $          243,458    $         201,892     $         155,340
                                              ==================    =================     =================

FIXED CHARGES AS DEFINED (1) (4) (5)
Interest, expensed                            $           73,813    $          57,675     $          49,104
Interest, capitalized                                     11,990                7,926                 2,928
Amortization of debt discounts, premium
  and expense                                              2,095                1,641                 1,332
Interest implicit in rentals                               2,199                2,325                 1,904
Preferred securities dividend requirements
   of subsidiaries                                        10,718                9,699                 2,194
                                              ------------------    -----------------     -----------------             
   Fixed charges as defined                   $          100,815    $          79,266     $          57,462
                                              ==================    =================     =================
Ratio of Earnings to Fixed Charges                          2.41                 2.55                  2.70
                                              ==================    =================     =================

</TABLE> 


(1)  Earnings and fixed charges are defined and  computed in accordance with
     Item 503 of Regulation S-K.

(2)  This amount represents the aggregate of (a) the pre-tax income from
     continuing operations of MCN and its majority-owned subsidiaries, (b) MCN's
     share of pre-tax income of its 50% owned companies, and (c) any income
     actually received from less than 50% owned companies.

(3)  Fixed charges added to earnings are adjusted to exclude interest
     capitalized during the period for nonutility companies and the preferred
     securities dividend requirements of MichCon included in fixed charges but
     not deducted in the determination of pre-tax income.

(4)  Fixed charges represent (a) interest, whether expensed or capitalized, (b)
     amortization of debt discount, premium and expense, (c) an estimate of
     interest implicit in rentals, and (d) preferred securities dividend
     requirements of subsidiaries (MichCon, MCN Limited Partnership and MCN
     Financing I), increased to reflect the pre-tax earnings requirement for
     MichCon.

(5)  In June 1996, MCN completed the sale of The Genix Group, its computer
     services subsidiary. For purposes of calculating the Ratio of Earnings to
     Fixed Charges, it has been classified as a discontinued operation and
     therefore excluded from the ratio for all periods presented.

<PAGE>



MCN INVESTMENT CORPORATION AND SUBSIDIARIES                         EXHIBIT 12-2
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES
(Dollars in Thousands)


<TABLE>
<CAPTION>
                                         Twelve Months         Twelve Months         Twelve Months
                                             Ended                 Ended                 Ended
                                       September 30, 1996     December 31, 1995     December 31, 1994
                                       ------------------     -----------------     -----------------
<S>                                    <C>                    <C>                   <C>
EARNINGS AS DEFINED (1) (4)
Pre-tax income (2)                     $           14,535     $          13,163     $           6,696
Fixed charges (3)                                  37,225                24,748                13,640
                                       ------------------     -----------------     -----------------
  Earnings as defined                  $           51,760     $          37,911     $          20,336
                                       ==================     =================     =================

FIXED CHARGES AS DEFINED (1) (4)
Interest, expensed                     $           36,246     $          24,151     $          13,365
Interest, capitalized                               7,570                 5,895                 2,089
Amortization of debt discounts,
  premium and expense                                 882                   520                   275
Interest implicit in rentals                           97                    77                   -
                                       ------------------     -----------------     -----------------
  Fixed charges as defined             $           44,795     $          30,643     $          15,729
                                       ==================     =================     =================
Ratio of Earnings to Fixed Charges                   1.16                  1.24                  1.29
                                       ==================     =================     =================


(1) Earnings and fixed charges are defined and computed in accordance with Item
    503 of Regulation S-K.

(2) This amount represents the aggregate of (a) the pre-tax income from
    continuing operations of MCN Investment and its majority-owned subsidiaries,
    (b) MCN Investment's share of pre-tax income of its 50% owned companies, and
    (c) any income actually received from less than 50% owned companies.

(3) Fixed charges added to earnings are adjusted to exclude interest capitalized
    during the period and, therefore, may differ from fixed charges as defined.

(4) In June 1996, MCN completed the sale of The Genix Group, its computer
    services subsidiary. For purposes of calculating the Ratio of Earnings to
    Fixed Charges, it has been classified as a discontinued operation and
    therefore excluded from the ratio for all periods presented.
</TABLE>

<TABLE> <S> <C>

<PAGE>
 
<ARTICLE> 5
<MULTIPLIER> 1,000
       
<S>                             <C>
<PERIOD-TYPE>                   9-MOS
<FISCAL-YEAR-END>                         DEC-31-1996
<PERIOD-START>                            JAN-01-1996
<PERIOD-END>                              SEP-30-1996
<CASH>                                         35,910 
<SECURITIES>                                        0 
<RECEIVABLES>                                 226,567 
<ALLOWANCES>                                   14,699 
<INVENTORY>                                   153,610 
<CURRENT-ASSETS>                              519,542       
<PP&E>                                      3,572,070      
<DEPRECIATION>                              1,301,317    
<TOTAL-ASSETS>                              3,161,642      
<CURRENT-LIABILITIES>                         673,787    
<BONDS>                                     1,054,144  
<COMMON>                                          672 
                         173,760 
                                         0 
<OTHER-SE>                                    731,197       
<TOTAL-LIABILITY-AND-EQUITY>                3,161,642         
<SALES>                                             0          
<TOTAL-REVENUES>                            1,395,650          
<CGS>                                               0          
<TOTAL-COSTS>                               1,253,204          
<OTHER-EXPENSES>                              (3,449)       
<LOSS-PROVISION>                               16,850      
<INTEREST-EXPENSE>                             57,105       
<INCOME-PRETAX>                                92,344       
<INCOME-TAX>                                   21,486      
<INCOME-CONTINUING>                            70,858      
<DISCONTINUED>                                 37,771  
<EXTRAORDINARY>                                     0      
<CHANGES>                                           0  
<NET-INCOME>                                  108,629 
<EPS-PRIMARY>                                    1.63 
<EPS-DILUTED>                                       0 
        

</TABLE>


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