SOUTHEASTERN MICHIGAN GAS ENTERPRISES INC
10-K, 1994-03-30
NATURAL GAS DISTRIBUTION
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<PAGE>   1
              UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                           Washington, D.C. 20549

                                  FORM 10-K

(Mark One)
   [X]      ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES 
               EXCHANGE ACT OF 1934 [FEE REQUIRED]
                    For the fiscal year ended December 31, 1993

   [ ]      TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
               SECURITIES EXCHANGE ACT OF 1934 [NO FEE REQUIRED]
                    For the fiscal period from               to            
                                               -------------   ------------

                        Commission file number 0-8503

                 SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
           (Exact name of registrant as specified in its charter)

                Michigan                                   38-2144267
     (State or other jurisdiction of                    (I.R.S. Employer
     incorporation or organization)                    Identification No.)

 405 Water Street, Port Huron, Michigan                       48060
(Address of principal executive offices)                   (Zip Code)

Registrant's telephone number, including area code         810-987-2200

Securities registered pursuant to Section 12(b) of the Act:
                                                    Name of each exchange on
           Title of each class                          which registered    
           -------------------                      ------------------------
                  None                                         N/A

Securities registered pursuant to Section 12(g) of the Act:

                         Common Stock, $1 Par Value
                          --------------------------
                              (Title of Class)

                       $2.3125, Series A, Convertible
                         Cumulative Preferred Stock  
                        ------------------------------
                              (Title of Class)

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 
requirements for the past 90 days.  Yes [X]   No [ ]

Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 
of Regulation S-K is not contained herein, and will not be contained, to the 
best of registrant's knowledge, in definitive proxy or information statements 
incorporated by reference in Part III of this Form 10-K or any amendment to 
this Form 10-K.  [X] 

<PAGE>   2
The aggregate market value of the voting stock (Common Stock, $1 Par Value) 
held by non-affiliates is computed at $180,663,577 based on 9,322,166 shares 
held by non--affiliates as of February 21, 1994 at the average of the bid and 
ask prices on the closest trading date for such stock of $19.00 and $19.75, 
respectively, as quoted on the National Association of Securities Dealers 
Automated Quotation National Market System (NASDAQ/NMS) (which prices may not 
represent actual transactions).

Number of shares outstanding of each of the Registrant's classes of Common 
Stock, as of February 21, 1994:  10,491,000 shares of Common Stock, $1 Par 
Value.

                     DOCUMENTS INCORPORATED BY REFERENCE:

Portions of Registrant's definitive Proxy Statement (filed or to be filed 
pursuant to Regulation 14A) with respect to Registrant's April 19, 1994 Annual 
Meeting of Shareholders are incorporated by reference herein in response to 
Part III.
<PAGE>   3
<TABLE>
                       T A B L E   O F   C O N T E N T S

<CAPTION>
                                                                        PAGE
CONTENTS                                                               NUMBER
<S>            <C>                                                       <C>
PART I

ITEM 1.        BUSINESS . . . . . . . . . . . . . . . . . . . . . . . .   1

ITEM 2.        PROPERTIES . . . . . . . . . . . . . . . . . . . . . . .   4

ITEM 3.        LEGAL PROCEEDINGS  . . . . . . . . . . . . . . . . . . .   7

ITEM 4.        SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS  . .   7


PART II

ITEM 5.        MARKET PRICE OF AND DIVIDENDS ON THE REGISTRANT'S 
               COMMON EQUITY AND RELATED STOCKHOLDER MATTERS  . . . . .   8

ITEM 6.        SELECTED FINANCIAL DATA  . . . . . . . . . . . . . . . .   9

ITEM 7.        MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL
               CONDITION AND RESULTS OF OPERATIONS  . . . . . . . . . .  10

ITEM 8.        FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA  . . . . . .  17

ITEM 9.        CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON 
               ACCOUNTING AND FINANCIAL DISCLOSURE  . . . . . . . . . .  36


PART III

ITEM 10.       DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT . . .  37

ITEM 11.       EXECUTIVE COMPENSATION . . . . . . . . . . . . . . . . .  37

ITEM 12.       SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND 
               MANAGEMENT . . . . . . . . . . . . . . . . . . . . . . .  37

ITEM 13.       CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS . . . . .  37


PART IV

ITEM 14.       EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS 
               ON FORM 8-K  . . . . . . . . . . . . . . . . . . . . . .  38

SIGNATURES      . . . . . . . . . . . . . . . . . . . . . . . . . . . .  41
</TABLE>




                                      -i-
<PAGE>   4
                                   GLOSSARY


Bcf  . . . . . . . . . . A measure of natural gas volumes equivalent to one 
                         billion cubic feet

Degree Day . . . . . . . A measure of coldness computed by the number of 
                         degrees the average daily temperature falls below 
                         65 degrees Fahrenheit

FASB . . . . . . . . . . Financial Accounting Standards Board

FERC . . . . . . . . . . Federal Energy Regulatory Commission

Mcf  . . . . . . . . . . A measure of natural gas volumes equivalent to one 
                         thousand cubic feet

MMcf . . . . . . . . . . A measure of natural gas volumes equivalent to one 
                         million cubic feet

MPSC . . . . . . . . . . Michigan Public Service Commission

NGV  . . . . . . . . . . Natural gas vehicle

Normal Degree Days . . . An average of degree days over the last 10 years

NYMEX  . . . . . . . . . New York Mercantile Exchange

SFAS . . . . . . . . . . Statement of Financial Accounting Standards



























                                     -ii-
<PAGE>   5
                                    PART I



ITEM 1.   BUSINESS


THE COMPANY

     Southeastern Michigan Gas Enterprises, Inc. (the Company) is a holding 
company formed in 1977 which owns six direct subsidiaries.  The Company 
provides professional and technical services for its subsidiaries in the areas 
of finance and accounting, taxes, risk management, human resources, legal 
assistance and information systems.

     Southeastern Michigan Gas Company (Southeastern), Battle Creek Gas Company 
(Battle Creek) and Michigan Gas Company (Michigan Gas) (collectively, the 
utility subsidiaries) generate revenues through the sale and transportation of 
natural gas.  Set forth in the table below is sales and transportation 
information for the past three years:
<TABLE>
<CAPTION>
                                       1993            1992            1991     
                                  --------------  --------------  --------------
                                              (Dollars in thousands)      
<S>                               <C>        <C>  <C>        <C>  <C>        <C>
Gas sales revenue:
  Residential..................   $122,216   61%  $110,173   62%  $101,542   61%
  Commercial...................     61,379   31     53,770   30     49,100   30 
  Industrial...................     16,049    8     14,953    8     15,139    9 
                                  --------  ---   --------  ---   --------  --- 
    Total gas sales revenue....   $199,644  100%  $178,896  100%  $165,781  100%
                                  ========  ===   ========  ===   ========  === 
Gas transportation revenue.....   $ 11,968        $ 11,918        $ 11,736
                                  ========        ========        ========

Throughput volumes (MMcf):
Gas sales volumes:
  Residential..................     23,302   59%    22,352   59%    20,773   58%
  Commercial...................     12,608   32     11,890   32     11,116   31 
  Industrial...................      3,500    9      3,513    9      3,707   11 
                                    ------  ---     ------  ---     ------  --- 
    Total gas sales volumes....     39,410  100%    37,755  100%    35,596  100%
                                    ======  ===     ======  ===     ======  === 
Gas transportation volumes.....     19,073          22,147          22,357
                                    ======          ======          ======
</TABLE>
     Residential and commercial gas sales revenues are sensitive to weather as 
residential and commercial customers use natural gas primarily for space 
heating purposes.  Industrial sales and transportation volumes and margins are 
primarily dependent upon the comparative cost of alternate fuels, economic 
conditions and government policies.

     Southeastern and Michigan Gas are subject to the jurisdiction of the MPSC 
as to various phases of their operations including rates, accounting, service 
standards and the issuance of securities.  Battle Creek is subject to the 
jurisdiction of the MPSC as to various phases of its operations including 
accounting, service standards and issuance of securities, but not as to rates.  
Battle Creek's rates are subject to the jurisdiction of the City Commissioners 
of Battle Creek, Michigan.


                                      -1-
<PAGE>   6
     SEMCO Energy Services, Inc. (SEMCO) was formed in 1986 to take advantage 
of  the natural gas marketing opportunities created by deregulation in the 
natural gas industry.  SEMCO also has operations and interests in natural gas 
transmission and gathering systems, an underground natural gas storage field, a 
gas processing plant and oil and gas properties.  Some of these interests were 
obtained through equity investments where an unrelated party is the operator.  
The majority of these activities are regulated by various state regulatory 
agencies with respect to maximum rates charged to customers.  Set forth below 
are SEMCO's operating revenues, cost of gas marketed, volumes, average number 
of customers and earnings (loss) from equity investments for the past three 
years:
<TABLE>
<CAPTION>
                                             1993       1992       1991 
                                             ----       ----       ---- 
                                               (Dollars in thousands)   
<S>                                        <C>        <C>        <C>
     Natural gas marketing operations:
       Gas marketing revenues............  $70,991    $54,595    $48,497
       Cost of gas marketed..............   67,474     52,347     46,237
                                           -------    -------    -------
         Gross margin....................  $ 3,517    $ 2,248    $ 2,260
                                           =======    =======    =======

       Gas volumes marketed (MMcf).......   31,501     29,637     28,636
       Average number of customers.......      156        161        146
     Other operating revenues............  $ 3,631    $ 2,983    $ 1,763
     Earnings (loss) from equity 
       investments.......................  $   (23)   $   478    $   801

</TABLE>
     SEMCO's gas marketing margins and volumes are sensitive to the comparative 
costs of alternate fuels, seasonal patterns and competition within the gas 
marketing industry.  As FERC Order 636 is implemented, the gas marketing 
industry will face increasing competition but will also be presented with new 
opportunities.  See "Management's Discussion and Analysis" for further 
discussion relating to Order 636.


     Southeastern Development Company's (SEDCO's) principal activities consist 
of developing a residential real estate project and assisting in the gas supply 
and transportation procurement for a cogeneration general partnership in which 
it owns a 50% interest.

     At this time, SEDCO has no plans to expand its real estate operations.


     Southeastern Financial Services, Inc. (SFS) leases motor vehicles and data 
processing equipment primarily to companies of the consolidated group.


     Gas Supply.  The service territories of the utility subsidiaries are 
served by four major interstate pipelines:  Panhandle Eastern Pipe Line 
Company, Northern Natural Gas Company, Great Lakes Gas Transmission Company and 
ANR Pipeline Company.







                                      -2-
<PAGE>   7
     In 1993, 10% of the natural gas volumes purchased by the utility 
subsidiaries were from interstate pipelines.  Eighty-nine percent of 1993 gas 
purchases were from the spot market or from firm suppliers at prices indexed to 
the spot market.  These supplies are transported to the utility subsidiaries' 
systems under various firm and interruptible transportation arrangements with 
interstate and intrastate transmission companies.  Less than one percent of 
1993 gas purchases were from intrastate suppliers.

     The Company has provided for 80% of its annual gas requirements under 
long-term firm contracts with prices indexed to market prices.  The Company 
expects to purchase the remaining 20% of annual requirements on the spot 
market.  All of the Company's transportation requirements are covered by firm 
agreements.

     The Company utilizes on-system and leased storage capacity of 
approximately 40% of annual gas sales volumes to reduce its reliance on the 
interstate pipelines for peak day needs and purchase gas at lower prices.

     The utility subsidiaries own underground storage facilities with a working 
capacity of 5.2 Bcf.  In addition, the Company leases 6.9 Bcf of storage from
Eaton Rapids Gas Storage System and 3.9 Bcf from non-affiliates.  SEMCO Gas 
Storage Company (an affiliated company) is a 50% owner of Eaton Rapids Gas 
Storage System.

     SEMCO obtains its gas supply from various production sources, primarily 
located in Louisiana, Oklahoma and Michigan.  SEMCO generally contracts for gas 
supply on a monthly basis, however, it does enter into some long-term gas 
purchasing arrangements.  See Note 1 of "Notes to the Consolidated Financial 
Statements" for a further description of SEMCO's gas supply strategy.


     New Business.  Since 1987 the Company has added approximately 5,000 
customers per year.  Customer additions have been primarily residential and 
commercial.

     Clean air legislation and resultant pressures on industry and electric 
utilities to reduce emissions from their plants continue to support interest in 
natural gas as an industrial fuel.  The use of natural gas as a primary vehicle 
fuel is also receiving serious attention for the same environmental reasons.


     Rates and Regulation.  Management continually reviews the adequacy of the 
utility subsidiaries' rates.  It is management's intention to file requests for 
rate increases whenever it is deemed necessary and appropriate.  There have 
been no general rate filings by Southeastern since 1983 or Michigan Gas since 
1990.  Battle Creek last placed new rates into effect in 1991.

     In 1992, the MPSC issued a generic order addressing the accounting for the 
cost of postretirement benefits other than pensions.  Pursuant to this order, 
the utility subsidiaries must file generic rate cases before 1996 in order to 
recover certain expenses related to this change in accounting treatment.  The 
utility subsidiaries plan to file these cases before 1996 and any relief 
granted by the MPSC will be based on all elements of cost of service.  See 
Note 7 of "Notes to the Consolidated Financial Statements" for further 
discussion.



                                      -3-
<PAGE>   8
     Competition.  Natural gas competes with other forms of energy available to 
customers, primarily on the basis of rates.  These competitive forms of energy 
include electricity, coal, propane and fuel oils.  Changes in the availability 
or price of natural gas or other forms of energy, as well as business 
conditions, conservation, legislation, regulations, capability to convert to 
alternate fuels and other factors may affect the demand for natural gas in 
areas served by the Company's subsidiaries.

     The Company's subsidiaries sell natural gas to and transport natural gas 
for several large customers who have the ability to use alternate fuels.

     In addition, the Company's marketing operations compete with other 
marketing firms on the basis of price, the ability to arrange suitable 
transportation to the customer's premises and the ability to provide related 
services such as pipeline nominations and balancing.

     FERC Order 636 has increased competition in the natural gas industry as 
pipelines unbundle their services and instead offer separate service for gas 
transportation, storage and gathering.  See "Management's Discussion and 
Analysis" for a further discussion of Order 636.



ITEM 2.   PROPERTIES

     The total properties of the Company consist of the Common Stock of 
Southeastern Michigan Gas Company, Michigan Gas Company, Battle Creek Gas 
Company, SEMCO Energy Services, Inc., Southeastern Development Company, 
Southeastern Financial Services, Inc., and leasehold improvements and office 
equipment.


SOUTHEASTERN MICHIGAN GAS COMPANY

     Southeastern owns gas supply systems which, on December 31, 1993, included 
approximately 112 miles of transmission pipelines and 1,732 miles of 
distribution pipelines.  The pipelines are located in southeastern Michigan 
(centered in and around the City of Port Huron) and south-central Michigan 
(centered in and around the City of Albion). 

     Southeastern's distribution system and service lines are, for the most 
part, located on or under public streets, alleys, highways, and other public 
places, or on private property not owned by Southeastern with permission or 
consent, except to an inconsequential extent, of the individual owners.  The 
distribution system and service lines located on or under public streets, 
alleys, highways, and other public places were all installed under valid rights 
and consents granted by appropriate local authorities.

     Southeastern's underground storage system consists of six salt caverns and 
a depleted gas field, located in St. Clair County, Michigan, together with 
measuring, compressor and transmission facilities.  The aggregate working 
capacity of the system is approximately 3.5 Bcf, with a capacity to deliver 
86 MMcf on a peak day.



                                      -4-
<PAGE>   9
     Southeastern also owns meters and service lines, gas regulating and 
metering stations, garages, warehouses and other buildings necessary and useful 
in conducting its business.  Southeastern leases its computer and 
transportation equipment. 

     Southeastern's principal plants and properties are held subject to the 
lien of the Indenture of Mortgage and Deed of Trust securing its First Mortgage 
Bonds. 


BATTLE CREEK GAS COMPANY

     Battle Creek owns gas supply systems which, on December 31, 1993, included 
approximately 27 miles of transmission pipelines and 612 miles of distribution 
pipelines.  The pipelines are located in southwestern Michigan (centered in and 
around the City of Battle Creek, Michigan). 

     Battle Creek's distribution system and service lines are, for the most 
part, located on or under public streets, alleys, highways, and other public 
places, or on private property not owned by Battle Creek with permission or 
consent, except to an inconsequential extent, of the individual owners.  The 
distribution system and service lines located on or under public streets, 
alleys, highways, and other public places were all installed under valid rights 
and consents granted by appropriate local authorities. 

     Battle Creek owns and operates underground gas storage facilities in a 
depleted salt cavern and two depleted gas fields.  The aggregate working 
capacity of the storage system is approximately 1.7 Bcf.

     Battle Creek also owns meters and service lines, gas regulating and 
metering stations, garages, warehouses and other buildings necessary and useful 
in conducting its business.  Battle Creek leases its computer and 
transportation equipment. 


MICHIGAN GAS COMPANY

     Michigan Gas owns gas supply systems located in the southwest portion of 
Michigan's lower peninsula and the central and western areas of Michigan's 
upper peninsula.  The systems include 1,943 miles of distribution pipeline, 
meters, service lines, gas regulating and metering stations, garages, 
warehouses, and other buildings necessary and useful in conducting its 
business.  Michigan Gas leases its computer equipment, transportation 
equipment, and certain buildings.

     Michigan Gas's distribution system and service lines are for the most 
part, located on or under public streets, alleys, highways, and other public 
places, or on private property not owned by Michigan Gas with permission or 
consent, except to an inconsequential extent, of individual owners.  The 
distribution system and service lines located on or under public streets, 
alleys, highways, and other public places were all installed under valid rights 
and consents granted by appropriate local authorities.




                                      -5-
<PAGE>   10
SEMCO ENERGY SERVICES, INC.

     The principal properties of SEMCO and its affiliates include interests and 
operations in natural gas transmission and gathering systems and an underground 
gas storage system.  

     Set forth in the following table are the equity investments of SEMCO and 
its affiliates, the total non-current asset balance of each entity, and SEMCO's 
ownership percentage and equity investment at December 31, 1993:
<TABLE>
<CAPTION>
                                            Total        SEMCO's       SEMCO's
                                         Non-current     Percent       Equity
                                            Assets      Ownership    Investment
                                         -----------    ---------    ----------
                                                 (Dollars in thousands)
<S>                                        <C>             <C>         <C>
  NOARK Pipeline System.................   $102,610        32%         $3,467
  NOARK Gas Services, L.P...............         91        40             (45)
  Eaton Rapids Gas Storage System.......     25,418        50           3,913
  Nimrod Natural Gas Corporation........      9,968        11             348
  Nimrod Limited Partnership............      1,597        29             340
  Michigan Intrastate Pipeline System...      4,603        50             513
  Michigan Intrastate Lateral System....        674        50             366
                                           --------                    ------
                                           $144,961                    $8,902
                                           ========                    ======
</TABLE>
     SEMCO Arkansas Pipeline Company (a wholly-owned subsidiary of SEMCO) is a 
32% general partner in the NOARK Pipeline System.  The partnership operates a 
302-mile pipeline crossing northern Arkansas which completed its first year of 
service in 1993.  The pipeline provides pipeline capacity to producers in the 
Arkansas section of the Arkoma Basin and access to new natural gas service to 
communities along the pipeline route.  See Note 8 of the "Notes to the 
Consolidated Financial Statements" for a discussion of commitments made 
relating to this project.

     SEMCO Gas Storage Company (a wholly-owned subsidiary of SEMCO) owns a 50% 
equity interest in the Eaton Rapids Gas Storage System.  This system consists 
of approximately 12 Bcf of underground storage capacity located near Eaton 
Rapids, Michigan.  The system became operational in March 1990.  Of the total 
capacity, 6.5 Bcf has been contracted by Southeastern, Battle Creek, and 
Michigan Gas (affiliated companies) under long-term contracts.  The remainder 
is leased to non-affiliated companies.

     SEMCO Pipeline Company (SEMCO Pipeline) (a wholly-owned subsidiary of 
SEMCO) is an 11% owner of Nimrod Natural Gas Corporation (Nimrod) of Tulsa, 
Oklahoma.  Nimrod engages in the business of installing or purchasing and 
operating natural gas gathering systems.  These systems purchase, collect and 
re-sell wellhead natural gas by delivering it to major transportation pipelines 
for redelivery to customers.

     SEMCO Pipeline also is a 50% owner of the Michigan Intrastate Pipeline 
System and the Michigan Intrastate Lateral System, whose sole purpose is to own 
10% of the Saginaw Bay Pipeline Project.  The Saginaw Bay Pipeline Project is a 
126-mile pipeline from Michigan's Saginaw Bay area to processing plants in 
Kalkaska, Michigan.

     The following table sets forth the operations wholly or partially owned by 
SEMCO and its affiliates, the total net property of the project, and SEMCO's 
ownership percentage and net property at December 31, 1993:

                                      -6-
<PAGE>   11
<TABLE>
<CAPTION>
                                             Total      SEMCO's       SEMCO's
                                              Net       Percent         Net
                                            Property   Ownership     Property
                                            --------   ---------     --------
                                                 (Dollars in thousands)
<S>                                         <C>            <C>        <C>
  Litchfield Lateral......................  $11,305        33%        $ 3,768
  Greenwood Pipeline......................    7,439       100           7,439
  Iosco-Reno System.......................    4,525        40           1,810
  Eaton Rapids Pipeline...................    1,404       100           1,404
  Production Gathering Systems and
    Oil and Gas Properties................      659       100             659
                                            -------                   -------
                                            $25,332                   $15,080
                                            =======                   =======
</TABLE>
     SEMCO Pipeline is a 33% owner in the Litchfield Lateral, a 31-mile 
pipeline located in southwest Michigan.  The line, which is leased entirely to 
ANR Pipeline Company, links the Eaton Rapids Gas Storage System with interstate 
pipeline supplies.  The Litchfield Lateral began operations in February 1993.

     In 1991, SEMCO Pipeline constructed an 18-mile pipeline to serve Detroit 
Edison's Greenwood power plant located in Michigan's thumb area.  SEMCO 
Pipeline and Detroit Edison have entered into an agreement whereby Detroit 
Edison has contracted for the entire capacity of the line of 240 MMcf per day.

     SEMCO Pipeline is a 40% owner of the Iosco County Pipeline and Reno Gas 
Processing Plant (Iosco-Reno System), which was placed in service in September 
1992.  The Iosco-Reno System gathers and processes wet gas in the Au Gres and 
Santiago fields located in mid-Michigan for delivery to the processing plant 
and ultimate delivery to the gas markets.

     SEMCO Pipeline completed the 7.1-mile Eaton Rapids Pipeline in 1990, 
providing direct delivery of gas from the Eaton Rapids Gas Storage System to 
Battle Creek and Southeastern's Albion division.


OTHER

     The principal properties of SFS consist of vehicles and data processing 
equipment primarily leased to affiliates.

     SEDCO's principal properties include real property and related 
improvements held for resale, office properties leased to affiliates and third 
parties, and its equity investment in the Dunn/SECO cogeneration venture.

     The non-affiliate properties of SFS and SEDCO total $5.1 million or 2.4% 
of consolidated utility plant and other property, net.



ITEM 3.   LEGAL PROCEEDINGS


     Refer to Note 8 of "Notes to the Consolidated Financial Statements" for 
information regarding a lawsuit against the NOARK Pipeline System.



ITEM 4.   SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS


     None.

                                      -7-
<PAGE>   12
                                    PART II



ITEM 5.   MARKET PRICE OF AND DIVIDENDS ON THE REGISTRANT'S COMMON EQUITY AND 
          RELATED STOCKHOLDER MATTERS


COMMON STOCK DATA

     The common stock of the Company is traded in the over-the-counter market 
and is quoted on the NASDAQ National Market System under the symbol "SMGS."  
The table below shows high and low closing bid prices of the Company's common 
stock in the over-the-counter market as reported by the Detroit Free Press and 
quoted on NASDAQ/NMS, adjusted to reflect the 5% stock dividends in May 1992 
and 1993.  These quotations reflect dealer prices, without brokerage 
commission, and may not necessarily represent actual transactions.
<TABLE>
<CAPTION>
                                    Quarters
                    ------------------------------------------
                     1st         2nd         3rd         4th
                    ------      ------      ------      ------
<S>                 <C>         <C>         <C>         <C>
     1992
       High         14 3/4      15          16 1/4      18 3/4
       Low          13 1/2      14 1/4      14 3/4      16 1/4
     1993
       High         19          21 1/4      23 1/2      24 3/4
       Low          17 3/8      19          20          21 1/4
</TABLE>
     See the cover page for a recent stock price and the number of shares 
outstanding.

     See "Selected Financial Data" below for the number of shareholders at year 
end for the past five years.



DIVIDENDS

     See Notes 4 and 10 of "Notes to the Consolidated Financial Statements" and 
"Selected Financial Data."


















                                      -8-
<PAGE>   13
ITEM 6.   SELECTED FINANCIAL DATA
<TABLE>
<CAPTION>
Years Ended December 31,                 1993            1992            1991            1990            1989
                                       --------        --------        --------        --------        --------
                                                  (thousands of dollars, except per share amounts)             
<S>                                    <C>             <C>             <C>             <C>             <C>
Income Statement Data
 Operating Revenue.................... $288,963        $251,526        $231,522        $228,339        $226,753
                                       --------        --------        --------        --------        --------
 Operating Expenses
  Cost of Gas Sold.................... $139,051        $121,643        $111,005        $110,705        $122,684
  Cost of Gas Marketed................   67,474          52,347          46,237          47,703          33,786
  Operations..........................   30,243          29,426          29,614          30,178          29,869
  Maintenance.........................    4,253           4,164           3,811           3,971           3,635
  Depreciation........................   12,468          12,344          12,138          10,729           9,807
  Income Taxes........................    5,598           3,899           3,360           1,951           2,612
  Taxes Other Than Income Taxes.......    8,446           7,729           7,193           6,798           6,245
                                       --------        --------        --------        --------        --------
                                       $267,533        $231,552        $213,358        $212,035        $208,638
                                       --------        --------        --------        --------        --------
 Operating Income..................... $ 21,430        $ 19,974        $ 18,164        $ 16,304        $ 18,115
 Other Income (Expense), Net..........     (136)(iv)       (339)(iv)        570           1,270             756
                                       --------        --------        --------        --------        --------
 Income Before Interest............... $ 21,294        $ 19,635        $ 18,734        $ 17,574        $ 18,871
 Interest.............................   11,534          11,126          11,233          11,345          11,389
 Dividends on Preferred Stock
  of Subsidiary.......................      178             178             178             178             178
                                       --------        --------        --------        --------        --------
 Net Income........................... $  9,582        $  8,331        $  7,323        $  6,051        $  7,304
 Dividends on Convertible
  Preferred Stock.....................       19              21              22              24              26
                                       --------        --------        --------        --------        --------
 Net Income Available for 
  Common Stock........................ $  9,563        $  8,310        $  7,301        $  6,027        $  7,278
 Common Dividends.....................    7,419           6,875           6,385           5,940           5,535
                                       --------        --------        --------        --------        --------
 Earnings Reinvested in the Business.. $  2,144        $  1,435        $    916        $     87        $  1,743
                                       ========        ========        ========        ========        ========
Common Stock Data
 Average Shares Outstanding(000)(i)...    9,524           9,274           9,037           8,825           8,634
 Earnings Per Share(i)................ $   1.00 (iv)   $    .90 (iv)   $    .81        $    .68        $    .84
 Dividends Paid Per Share(i).......... $    .78        $    .74        $    .71        $    .67        $    .64
 Dividend Payout Ratio................     77.6%           82.7%           87.5%           98.6%           76.1%
 Book Value Per Share(i)(ii).......... $   8.85        $   8.23        $   7.74        $   7.35        $   7.08
 Market Value Per Share(i)(ii)(iii)... $  22.00        $  18.10        $  13.84        $  12.10        $  15.64
 Number of Common Shareholders........    7,261           6,892           6,594           6,369           6,082
 Price To Earnings Ratio(ii)(iii).....     21.9            20.2            17.1            17.7            18.6

Balance Sheet Data(ii)
 Total Assets......................... $348,286        $319,548        $294,933        $278,018        $267,273
                                       ========        ========        ========        ========        ========
 Capitalization
  Long-Term Debt(v)................... $117,022        $102,728        $ 95,656        $ 99,040        $102,368
  Preferred Stock.....................    3,290           3,320           3,332           3,350           3,364
  Common Equity.......................   85,657          77,353          70,758          65,608          61,766
                                       --------        --------        --------        --------        --------
                                       $205,969        $183,401        $169,746        $167,998        $167,498
                                       ========        ========        ========        ========        ========
Financial Ratios
 Capitalization
  Long-Term Debt(v)...................     56.8%           56.0%           56.4%           59.0%           61.1%
  Preferred Stock.....................      1.6%            1.8%            2.0%            2.0%            2.0%
  Common Equity.......................     41.6%           42.2%           41.6%           39.0%           36.9%
                                       --------        --------        --------        --------        -------- 
                                          100.0%          100.0%          100.0%          100.0%          100.0%
                                       ========        ========        ========        ========        ======== 
Return on Average Common Equity.......     11.6%           11.1%           10.6%            9.4%           12.1%
                                       ========        ========        ========        ========        ======== 
<FN>
  (i)  Adjusted to give effect to 5 percent stock dividends in May 1993, 1992, 1991, 1990 and 1989.
 (ii)  Year end.
(iii)  Based on NASDAQ closing bid price.
 (iv)  Includes $177 (net of tax) or $.02 per share and $901 (net of tax) or $.09 per share in 1993 and 1992, 
       respectively, attributable to an extraordinary item-loss on early extinguishment of debt.
  (v)  Includes current maturities.
</TABLE>
                                      -9-
<PAGE>   14
ITEM 7.   MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND 
          RESULTS OF OPERATIONS


RESULTS OF OPERATIONS

Net Income
     Net income available for common stock before extraordinary item was 
$9.7 million ($1.02 per share) for the year ended December 31, 1993.  This 
represented an increase of $529,000 over the $9.2 million ($.99 per share) net 
income available for common stock before extraordinary item for the year ended 
December 31, 1992.
     The Company recorded extraordinary charges for 1993 and 1992 of $177,000 
($.02 per share) and $901,000 ($.09 per share), respectively, for the early 
extinguishment of debt.  
     The improvement in net income before extraordinary items primarily 
reflects increased earnings from the Company's natural gas distribution 
operations.  Colder weather and customer additions resulted in a 4.4% increase 
in natural gas volumes sold.
     Earnings from natural gas marketing, gas transmission and gas gathering 
operations also increased in 1993 compared to 1992.  Natural gas volumes 
marketed increased 6.3% over the 1992 level along with higher per unit 
marketing margins.  In addition, 1993 earnings reflect the revenues from 
SEMCO's investment in two recently completed pipeline projects located in 
Michigan.  These earnings offset a loss in 1993 from the Company's investment 
in the NOARK Pipeline System, which began operations in September 1992, and 
higher charges related to the Company's remaining oil and gas exploration and 
production operations.
     For 1992, net income available for common before extraordinary item 
increased $1.9 million over 1991 from $7.3 million ($.81 per share) to $9.2 
million ($.99 per share).  The increase was primarily the result of the impact 
of colder temperatures and customer additions on natural gas volumes sold by 
the Company's utility subsidiaries.

Operating Revenues and Gross Margin
     Natural Gas Distribution.  The Company's natural gas distribution business 
involves operations of Southeastern Michigan Gas Company, Battle Creek Gas 
Company and Michigan Gas Company.  These companies generate revenue through the 
sale and transportation of natural gas.  The following table compares sales and 
transportation information for the last three years:
<TABLE>
<CAPTION>
                                             1993         1992         1991
                                           --------     --------     --------
Revenues                                        (in thousands of dollars)
<S>                                        <C>          <C>          <C>
Gas sales revenues:
  Residential............................  $122,216     $110,173     $101,542
  Commercial.............................    61,379       53,770       49,100
  Industrial.............................    16,049       14,953       15,139
                                           --------     --------     --------
    Total gas sales revenue..............  $199,644     $178,896     $165,781
  Cost of gas sold.......................   139,051      121,643      111,005
                                           --------     --------     --------
    Gross margin.........................  $ 60,593     $ 57,253     $ 54,776
Gas transportation revenue...............    11,968       11,918       11,736
                                           --------     --------     --------
    Total sales margin and 
      transportation revenue.............  $ 72,561     $ 69,171     $ 66,512
                                           ========     ========     ========
</TABLE>

                                     -10-
<PAGE>   15
<TABLE>
<CAPTION>
                                              1993         1992         1991
                                             ------       ------       ------
Throughput volumes                                       (in MMcf)
<S>                                         <C>          <C>          <C>
Gas sales volumes:
  Residential............................    23,302       22,352       20,773
  Commercial.............................    12,608       11,890       11,116
  Industrial.............................     3,500        3,513        3,707
                                             ------       ------       ------
    Total gas sales volumes..............    39,410       37,755       35,596
Gas transportation volumes...............    19,073       22,147       22,357
                                             ------       ------       ------
    Total throughput.....................    58,483       59,902       57,953
                                             ======       ======       ======
Degree Days
  Actual.................................     7,053        6,882        6,397
  Percent of normal......................     105.0%       102.2%        93.1%

Average number of gas sales customers....   210,522      204,839      200,028
</TABLE>
     Natural gas sales volumes and gross margin from gas sales increased 
1,655 MMcf and $3.3 million for 1993 compared to 1992.  Temperatures 2.5% 
colder than 1992 and 5% colder than normal resulted in increased gas usage by 
weather-sensitive residential and commercial users in 1993.  The addition of an 
average of 5,683 new gas sales customers in 1993, or 2.8%, generated increased 
gas sales and service charge revenues.
     For 1992, compared to 1991, gas sales volumes and margin increased 
2,159 MMcf and $2.5 million, respectively.  Temperatures during 1992 were 7.6% 
colder than 1991 and 2.2% colder than normal.  In addition, the average number 
of customers increased in 1992 compared to 1991 by 4,811, or an increase of 
2.4%.
     Transportation volumes decreased 3,073 MMcf in 1993 from 1992 while 
revenues increased slightly.  For 1992, compared to 1991, transportation 
volumes decreased 210 MMcf while revenues increased $182,000.  In 1992 and 
1991, the Company transported significant coal-displacement volumes.  
Coal-displacement volumes are sensitive to natural gas prices relative to coal 
and are priced at lower margins.  Due to the relative prices of coal and 
natural gas during the year, the Company did not benefit from any 
coal-displacement volumes in 1993.
     Natural Gas Marketing.  Marketing margins were $3.5 million, $2.2 million 
and $2.3 million in 1993, 1992 and 1991, respectively.  These margins relate to 
natural gas volumes marketed of 31,501 MMcf, 29,637 MMcf and 28,636 MMcf for 
the same period.  Generally, the price of alternate fuels, seasonal patterns 
and competition in the industry contribute to the fluctuation in margins per 
unit of gas marketed and the volumes marketed.  In addition, the improvement 
for 1993 compared to prior years reflects SEMCO's emphasis on expanding its 
level of marketing-related services coincident with Order 636 and an increase 
in marketing staff.  
     Other Operating Revenues.  Other operating revenues consist of the 
revenues generated by natural gas transmission and gathering activities, oil 
and gas exploration and production, natural gas cogeneration, real estate 
development, equipment leasing and miscellaneous utility revenue.  
     Revenues generated by these operations were $6.4 million, $6.1 million and 
$5.5 million in 1993, 1992 and 1991, respectively.  The increases principally 
result from SEMCO's interest in the operations of various natural gas 
transmission and gathering projects placed in service in recent years.  The 
revenues generated by these projects offset the declines in equipment leasing, 
real estate development and oil and gas activities since 1991.



                                     -11-
<PAGE>   16
Operating Expenses and Income Deductions
     Operations expense increased $817,000, or 3.8%, in 1993 compared to 1992.  
This increase results primarily from operating costs for distribution and 
underground gas storage systems and expenses associated with additional 
customers.
     For 1992 compared to 1991, operations expense decreased $188,000 due to 
reductions in the level and cost of contracted services partially offset by 
increases in uncollectible accounts expense related to leasing activities.
     Depreciation expense increased $124,000, or 1.0%, in 1993 compared to 1992 
and $206,000, or 1.7%, in 1992 compared to 1991.  The increase over 1992 
reflects depreciation expense associated with growth in utility plant and other 
property, depletion associated with the Company's remaining oil and gas 
properties, partially offset by reductions in depreciation expense resulting 
from the reduction of property leased to non-affiliates.  The increase in 1992 
over 1991 reflects plant growth, partially offset by lower charges to oil and 
gas properties in 1992 compared to 1991.
     Income taxes increased $1.6 million in 1993 compared to 1992 and $539,000 
in 1992 compared to 1991.  Increases in income taxes are principally due to the 
improvement in earnings and the increase in statutory tax rates from 34% to 35% 
in 1993.  Taxes other than income taxes consist primarily of property taxes.  
The year-to-year increases in property taxes reflect growth in the Company's 
gas distribution, transmission and gathering plant.
     Other interest expense, consisting primarily of interest on short-term 
borrowings, increased $365,000, or 26%, in 1993 compared to 1992 and decreased 
slightly in 1992 from 1991.  The average balance in short-term borrowings was 
$42.3 million in 1993, $22.3 million in 1992 and $15.7 million in 1991 at 
weighted average interest rates of 4.1%, 4.5% and 6.8%, respectively.  The 
increased level of borrowings substantially results from the build-up of 
permanent capital needs generated by capital expenditure programs and the 
impact of gas costs on inventory carrying amounts and other working capital 
requirements.

Other Income, Net
     Other income, net, consists primarily of income from SEMCO's equity 
investments but also includes miscellaneous nonoperating income and expense 
items, net of tax.  Other income, net, was $41,000, $562,000 and $570,000 in 
1993, 1992 and 1991, respectively.  
     Specific items reflected in the year-to-year change are losses from the 
investment in the NOARK Pipeline System of $834,000 and $233,000 in 1993 and 
1992, respectively, and a $665,000 after-tax charge to the Company's real 
estate development activities in 1991.  Partially offsetting the impact of 
these items on other income, net, were year-to-year improvements in the 
earnings from the Company's investment in Eaton Rapids Gas Storage System.
     NOARK completed its first year of operation in September 1993.  Through a 
subsidiary, the Company holds a 31.67% general partnership interest in the 
$102.6 million pipeline.  NOARK has an operating capacity of 141,000 Mcf a day.
     During 1993, NOARK had firm transportation contracts averaging 78,000 Mcf 
a day at a demand fee equal to approximately 19.3 cents per Mcf.  Actual gas 
volumes transported by the pipeline during 1993 averaged nearly 79,000 Mcf a 
day, or 56% of capacity, at both firm and interruptible rates.
     See Note 8 of Notes to the Consolidated Financial Statements for a 
discussion of the Company's guarantees related to the pipeline's financing and 
legal actions involving NOARK. 



                                     -12-
<PAGE>   17
LIQUIDITY AND CAPITAL RESOURCES

Cash Flows
     The Company's net cash provided from operating activities totalled 
$12.1 million in 1993, $3.2 million in 1992 and $18.1 million in 1991.  The 
change in operating cash flows is significantly influenced by changes in the 
level and cost of gas in underground storage, accounts receivable and unbilled 
gas sales, gas cost recoveries and accounts payable.  The changes in these 
accounts are largely the result of the timing of receipts and payments.
     The Company uses significant amounts of short-term borrowings to finance 
natural gas purchases for storage during the non-heating season to sell during 
the heating season.  The Company owns and leases natural gas storage facilities 
with available capacity approximating 40% of annual gas sales.  Generally, gas 
is stored during the months of April through October and withdrawn for sale 
from November through March.  The carrying amount of natural gas stored 
underground peaked at $45.7 million, $42.1 million and $34.6 million in October 
1993, 1992 and 1991, respectively.
     Net cash from financing activities totalled $12 million in 1993, 
$26.3 million in 1992 and $11.8 million in 1991.  During 1993, $20 million in 
funds were provided through a term loan, due May 31, 1997 and $5.4 million in 
proceeds from the Dividend Reinvestment and Common Stock Purchase Plan (DRIP).  
During 1993, funds were used for the payment of dividends and to repay certain 
portions of long-term and short-term debt outstanding.   In addition to funds 
provided from the DRIP and short-term lines of credit in 1992, the Company 
issued $25 million of 8 5/8% debentures due in 2017.  Funds in 1992 were used 
for the payment of dividends and to redeem $14.9 million in 11 1/2% debentures 
originally due 2000 at 105% of face value.  This redemption resulted in an 
extraordinary charge to income of $901,000 ($.09 per share) in 1992.  In 1991, 
funds provided by proceeds from the DRIP and short-term lines were used to pay 
dividends and pay down long-term debt.        
     The following table identifies capital expenditures for the three years:
<TABLE>
<CAPTION>
Capital Expenditures                          1993         1992         1991
- --------------------                        -------      -------      -------
                                                 (in thousands of dollars)
<S>                                         <C>          <C>          <C> 
Natural gas distribution..................  $19,238      $19,937      $15,357
Gas transmission, gathering and storage...    1,218        9,192       11,045
Oil and gas properties....................       --           88        1,958
Vehicle and equipment leasing.............       --           --        2,125
Real estate development...................       --           --          407
Other.....................................      513          369          126
                                            -------      -------      -------
                                            $20,969      $29,586      $31,018
                                            =======      =======      =======
</TABLE>
     Capital expenditures by the Company's natural gas distribution companies 
amounted to $19.2 million in 1993.  In addition to normal plant repair and 
replacement expenditures of $7.4 million, $11.8 million was spent for new 
customer additions.  Of the $19.9 million spent by the distribution companies 
in 1992, $14.3 million was for new customer additions.  The remainder was 
primarily for normal repair and replacement projects.  In 1991, the 
distribution companies spent $10.8 million for new customer additions, 
$1.2 million on an interconnect with the Greenwood Pipeline and the remainder 
primarily on normal repair and replacement of distribution properties.




                                     -13-
<PAGE>   18
     Capital expenditures for operations other than natural gas distribution 
were principally to complete the Litchfield Lateral pipeline.  Of the natural 
gas transmission, gathering and storage capital expenditures in 1992, 
$5.1 million was spent on SEMCO's investment in the NOARK Pipeline System.  
Another $2.6 million was spent toward completion of the Litchfield Lateral 
project and $1.1 million toward the Iosco/Reno gas gathering and processing 
facility.  During 1991, the Company spent $8 million to complete the Greenwood 
Pipeline and $2.6 million on the Eaton Rapids Gas Storage System. 

Future Capital Expenditures and Liquidity
     1994 Capital Expenditures.  For 1994, the Company plans to expend 
$23.2 million on capital additions.  Of this amount $19.9 million is planned 
for natural gas distribution operations, with $11.8 million targeted for new 
customer additions.
     Future Financing.  Funds needed for the Company's 1994 capital expenditure 
program and dividend payments will be financed primarily through internally- 
generated funds and utilization of short-term lines of credit.  At year end 
1993, the Company had short-term credit facilities totalling $70 million.
     A significant source of funds has been the level of dividends reinvested 
and optional payments made by shareholders to the DRIP.  In 1993, of the total 
dividends on common shares of $7.4 million, $2.8 million were reinvested into 
common stock.  This portion of dividends along with optional cash payments of 
$2.6 million resulted in 246,733 new shares issued to existing shareholders in 
1993.
     In December 1993, the Company filed a shelf registration statement with 
the Securities and Exchange Commission to offer up to $80 million aggregate 
principal amount of debentures and up to 750,000 shares of common stock.  In 
January 1994, the Company issued 747,500 shares of common stock pursuant to the 
shelf.  Net proceeds approximating $14.7 million were used to pay down notes 
payable incurred to finance the Company's ongoing capital expenditure programs 
and for general corporate purposes.  The Company is considering the issuance of 
debentures primarily to redeem some of its long-term debt outstanding for the 
purpose of reducing interest expense.  If these redemptions take place in 1994, 
the expensing of the call premiums and unamortized debt expense would result in 
an extraordinary loss on early extinguishment of debt in 1994 of up to 
$1.3 million.
     In February 1994, the Company called the $21.2 million of its 10% 
debentures due 2007 and the $12.5 million of its 10% debentures due 2008.  
These debentures were called at 104.5% of face value.  Expensing of the portion 
of the call premium and unamortized debt expense associated with the Company's 
non-regulated operations resulted in a $177,000 ($.02 per share) extraordinary 
charge to income in 1993.  The Company plans to issue long-term debt securities 
at a lower interest rate to refinance these debentures, including the call 
premium, in the near future.  The Company will use its available short-term 
lines of credit to fund the called debt until the new securities are issued.
     In connection with the redemption of debentures, Southeastern and Michigan 
Gas filed securities applications in December 1993 with the MPSC requesting 
authority to redeem corresponding long-term debt owed to the Company.  The 
Company expects these applications will be approved by the MPSC in early 1994.
     See Note 8 of Notes to the Consolidated Financial Statements for a 
discussion of the Company's guarantees related to the NOARK Pipeline System's 
financing.
     Commodity Futures Contracts.  The Company's natural gas marketing 
subsidiary, SEMCO has entered into various long-term sales agreements with 
fixed prices that extend through October 1996.  Fixed-price sales commitments 
 
                                     -14-
<PAGE>   19
are hedged with either fixed-price purchase commitments from reliable suppliers 
or commodity futures contracts purchased on the NYMEX.  The futures contracts 
are subsequently sold when the supply is purchased for delivery under the sales 
agreements.
     At December 31, 1993, SEMCO had commitments to sell and deliver 
approximately 13,200 MMcf, of which approximately 5,000 MMcf was covered by 
purchase commitments from reliable suppliers and 8,200 MMcf was covered by 
commodity futures contracts.


OTHER AREAS

Adoption of New Accounting Standards
     In the first quarter of 1993, the Company adopted two new standards issued 
by the FASB.  In December 1990, the FASB issued SFAS 106, "Employers' 
Accounting for Postretirement Benefits Other Than Pensions."  SFAS 106 requires 
the accrual method of accounting for postretirement benefits.  In February 
1992, the FASB issued SFAS 109, "Accounting for Income Taxes."  SFAS 109 
requires measurement and restatement of deferred tax assets and liabilities 
based upon the estimated future tax effects of temporary differences and 
carryforwards.  Although the adoption of these standards did not have a 
material impact on the Company's result of operations in 1993, adoption of SFAS 
106 by the utility subsidiaries has significant regulatory ratemaking 
implications.  See Note 7 and Note 3 of the Notes to the Consolidated Financial 
Statements for further discussion of SFAS 106 and SFAS 109.

Impact of Inflation
     The cost of gas sold by the three distribution companies is recovered from 
natural gas distribution customers on a current basis.  Although inflation has 
steadied in recent years, increases in other utility operating costs are 
recovered through the regulatory process of filing a rate case, and therefore 
may adversely affect the results of operations in inflationary periods due to 
the time lag involved in this process.  The Company attempts to minimize the 
impact of inflation by controlling costs, increasing productivity and filing 
rate cases on a timely basis.
     It is likely the utilities will be filing rate cases before January 1996 
in conjunction with the adoption of SFAS 106.  See Note 7 of the Notes to the 
Consolidated Financial Statements.


INDUSTRY TRENDS

Competition
     The market prices of alternate sources of energy such as coal and #6 fuel 
oil compete directly with the price the utilities charge for industrial sales 
and transportation of gas.  The prices of alternate fuels similarly affect the 
volumes and margins of the natural gas marketing operations of the Company.  In 
addition, continued deregulation of the natural gas industry has further 
increased the sources of competition.  See "Federal Regulation" discussion 
below.  
     To lessen the impact of prices on fuel choice by industrial customers, the 
Company offers additional services, such as gas storage and balancing.  
However, the competition among fuels is expected to continue to affect volumes 
sold, transported and marketed and the associated margins.


                                     -15-
<PAGE>   20
Federal Regulation
     Interstate pipelines were required to comply with FERC Order 636 by the 
1993-1994 heating season.  Order 636, intended to increase competition within 
the gas industry, requires pipelines to unbundle their services and instead 
offer separate service for gas transportation, storage and gathering.
     Competition.  As a result of this restructuring of the interstate pipeline 
service, natural gas distribution companies have the ability to select and pay 
for only those pipeline services they require.  In addition, Order 636 allows 
customers on natural gas distribution systems to purchase the same level of 
unbundled service directly from the interstate pipelines.  Under such 
circumstances, natural gas distribution companies generally provide 
transportation services to those customers.
     It is expected that the availability of unbundled pipeline services to 
customers will result in pressure on gas distribution companies to offer 
similar unbundled services in order to compete with the pipelines.  The Company 
anticipates this competition may result in pressure to reduce natural gas 
transportation margins.  Currently, the utility subsidiaries are providing 
transportation services principally to large industrial customers.
     In addition to pressure on the transportation margins of the utility 
subsidiaries, Order 636 will impact the natural gas marketing operations of 
SEMCO.  Access to unbundled pipeline services is expected to attract new 
competitors to the marketing industry and present opportunities for marketers 
to offer expanded services to their customers.
     The Company believes it is well-positioned to compete in the post-Order 
636 environment.  Through the combination of on-system underground gas storage 
facilities and leased storage facilities, the utility subsidiaries are able to 
offer a variety of gas service options to their customers.  In addition, the 
Company has significant experience in the natural gas marketing industry 
through SEMCO, which began its marketing operations in 1986.
     Gas Supply.  Order 636 has the effect of shifting the risk of securing 
reliable gas supply and managing pipeline capacity from the interstate 
pipelines to local gas distribution companies.  As a result, gas utilities face 
more complex gas supply procurement issues.  However, the Company does not 
expect Order 636 to significantly affect the gas supply operations of the 
utility subsidiaries.  For the past several years, the utilities have reduced 
their dependence on bundled service from the interstate pipelines.  In 
addition, on-system underground gas storage facilities and leased storage of 
Southeastern, Battle Creek and Michigan Gas will provide the needed flexibility 
in gas supply planning and balancing between interstate pipeline deliveries and 
customer use patterns expected to arise from Order 636.
     The Company's utility subsidiaries are served by four interstate 
pipelines, Panhandle Eastern Pipe Line Company, ANR Pipeline Company, Great 
Lakes Gas Transmission Company and Northern Natural Gas Company.  These 
pipelines have received authority from the FERC to substantially implement 
their restructuring plans effective November 1, 1993.  In conjunction with 
these plans, the FERC has given interstate pipelines authority to directly bill 
customers for certain transition costs resulting from the restructuring.  As 
former purchasers of bundled interstate pipeline service, the utility 
subsidiaries are responsible for some of these transition costs.
     To date, the utility subsidiaries have been billed approximately 
$2 million in Order 636 transition costs.  At this time, no further significant 
direct-billed transition costs are anticipated.  As with previously 
FERC-mandated billings, the Company believes Order 636 transition costs will be 
recoverable from ratepayers through gas cost recovery mechanisms.


                                     -16-
<PAGE>   21
ITEM 8.   FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA
<TABLE>

CONSOLIDATED STATEMENTS OF INCOME
<CAPTION>
Years Ended December 31,                     1993         1992         1991
                                           --------     --------     --------
                                               (in thousands of dollars,
                                               except per share amounts)
<S>                                       <C>          <C>          <C>
Operating Revenue
  Gas sales..............................  $199,644     $178,896     $165,781
  Gas marketing..........................    70,991       54,595       48,497
  Transportation.........................    11,968       11,918       11,736
  Other operations.......................     6,360        6,117        5,508
                                           --------     --------     --------
                                           $288,963     $251,526     $231,522
                                           --------     --------     --------
Operating Expenses
  Cost of gas sold.......................  $139,051     $121,643     $111,005
  Cost of gas marketed...................    67,474       52,347       46,237
  Operations.............................    30,243       29,426       29,614
  Maintenance............................     4,253        4,164        3,811
  Depreciation...........................    12,468       12,344       12,138
  Income taxes...........................     5,598        3,899        3,360
  Taxes other than income taxes..........     8,446        7,729        7,193
                                           --------     --------     --------
                                           $267,533     $231,552     $213,358
                                           --------     --------     --------
Operating Income.........................  $ 21,430     $ 19,974     $ 18,164
Other Income, Net........................        41          562          570
                                           --------     --------     --------
Income Before Income Deductions..........  $ 21,471     $ 20,536     $ 18,734
                                           --------     --------     --------
Income Deductions
  Interest on long-term debt.............  $  9,426     $  9,385     $  9,403
  Other interest.........................     1,771        1,406        1,478
  Amortization of debt expense...........       337          335          352
  Dividends of preferred stock 
    of subsidiary........................       178          178          178
                                           --------     --------     --------
                                           $ 11,712     $ 11,304     $ 11,411
                                           --------     --------     --------
Net Income...............................  $  9,759     $  9,232     $  7,323
  Dividends on convertible 
    preferred stock......................        19           21           22
                                           --------     --------     --------
Net Income Available For Common Stock
  Before Extraordinary Item..............  $  9,740     $  9,211     $  7,301
Extraordinary Item--Loss on early 
  extinguishment of debt, net of 
  income taxes of $96 and $464...........       177          901           --
                                           --------     --------     --------
Net Income Available For Common Stock....  $  9,563     $  8,310     $  7,301
                                           ========     ========     ========
Earnings Per Share of Common Stock 
  Before Extraordinary Item..............  $   1.02     $    .99     $    .81
                                           ========     ========     ========
Earnings Per Share of Common Stock.......  $   1.00     $    .90     $    .81
                                           ========     ========     ========
Cash Dividends Per Share of 
  Common Stock...........................  $    .78     $    .74     $    .71
                                           ========     ========     ========
Average Number of Common Shares 
  Outstanding............................ 9,524,278    9,273,539    9,037,985
                                          =========    =========    =========
</TABLE>
The accompanying notes to the consolidated financial statements are an integral 
part of these statements.

                                     -17-
<PAGE>   22
<TABLE>
CONSOLIDATED STATEMENTS OF CASH FLOWS

<CAPTION>
Years Ended December 31,                      1993        1992        1991
                                            ---------   ---------   ---------
                                                 (in thousands of dollars)
<S>                                         <C>         <C>         <C>
Cash Flows From Operating Activities
 Cash received from customers.............. $ 278,621   $ 250,213   $ 223,134 
 Cash paid for payrolls and to suppliers...  (243,923)   (221,075)   (187,046)
 Interest paid.............................   (11,244)    (10,442)    (10,829)
 Income taxes paid.........................    (6,175)     (4,300)     (2,900)
 Taxes other than income taxes paid........    (8,541)     (7,741)     (7,418)
 Other cash receipts and payments, net.....     3,370      (3,406)      3,156 
                                            ---------   ---------   --------- 
  Net Cash From Operating Activities....... $  12,108   $   3,249   $  18,097 
                                            ---------   ---------   --------- 
Cash Flows From Investing Activities
 Natural gas distribution 
  property additions....................... $ (19,238)  $ (19,937)  $ (15,357)
 Investments in other natural gas 
  related property.........................    (2,530)     (5,283)     (2,269)
 Other property additions..................      (513)     (3,054)    (13,392)
 Property retirement costs, net
  of proceeds..............................      (301)         95          48 
                                            ---------   ---------   --------- 
  Net Cash From Investing Activities....... $ (22,582)  $ (28,179)  $ (30,970)
                                            ---------   ---------   --------- 
Cash Flows From Financing Activities
 Issuance of common stock.................. $   5,889   $   3,898   $   2,915 
 Net change in notes payable to banks......      (758)     21,400      17,800 
 Issuance of long-term debt................    20,000      25,000          -- 
 Repayment of long-term debt...............    (5,521)    (16,908)     (2,339)
 Payment of dividends......................    (7,616)     (7,074)     (6,565)
                                            ---------   ---------   --------- 
  Net Cash From Financing Activities....... $  11,994   $  26,316   $  11,811 
                                            ---------   ---------   --------- 
  Net Increase (Decrease) in Cash
   and Temporary Cash Investments.......... $   1,520   $   1,386   $  (1,062)
Cash and Temporary Cash Investments
 Beginning of year.........................     1,445          59       1,121 
                                            ---------   ---------   --------- 
 End of year............................... $   2,965   $   1,445   $      59 
                                            =========   =========   ========= 
Reconciliation of Net Income to Net Cash
 From Operating Activities
 Net income available for common stock..... $   9,563   $   8,310   $   7,301 
 Adjustments to reconcile net income to
  net cash from operating activities:
   Depreciation............................    12,468      12,344      12,138 
   Equity (income) loss, net of 
    distributions..........................     1,218         374        (498)
   Accounts receivable.....................       853        (155)     (7,612)
   Accrued utility revenue.................    (1,143)       (821)        756 
   Materials and supplies and gas in
    underground storage....................    (1,023)     (7,865)      4,107 
   Gas charges, recoverable from customers.   (11,122)     (2,963)        610 
   Other current assets....................    (3,430)     (1,381)       (186)
   Accounts payable........................     4,082      (3,099)     (1,136)
   Customer advances and amounts payable
    to customers...........................     1,332         708        (860)
   Accrued taxes...........................    (3,362)        823         892 
   Other, net..............................     2,672      (3,026)      2,585 
                                            ---------   ---------   --------- 
    Net Cash From Operating Activities..... $  12,108   $   3,249   $  18,097 
                                            =========   =========   ========= 
</TABLE>
The accompanying notes to the consolidated financial statements are an integral 
part of these statements.
                                     -18-
<PAGE>   23
<TABLE>
CONSOLIDATED BALANCE SHEETS

<CAPTION>
At December 31,                                          1993           1992
                                                       --------       --------
                                                      (in thousands of dollars)
<S>                                                    <C>            <C>
ASSETS
Utility Plant
  Plant in service, at cost..........................  $271,789       $250,921
  Less--Accumulated depreciation.....................    70,629         62,617
                                                       --------       --------
                                                       $201,160       $188,304
  Construction work in progress......................       782          2,928
                                                       --------       --------
                                                       $201,942       $191,232
                                                       --------       --------
Other Property, Net..................................  $ 16,357       $ 20,796
                                                       --------       --------
Current Assets
  Cash and temporary cash investments, at cost.......  $  2,965       $  1,445
  Receivables, less allowances of $1,355 and $1,008..    31,708         32,561
  Accrued utility revenue............................    17,674         16,531
  Materials and supplies, at average cost............     2,894          2,302
  Gas in underground storage.........................    31,146         30,715
  Gas charges, recoverable from customers............    15,970          4,848
  Other..............................................     9,862          6,432
                                                       --------       --------
                                                       $112,219       $ 94,834
                                                       --------       --------
Deferred Charges
  Unamortized debt expense...........................  $  5,840       $  4,930
  Deferred gas charges, recoverable from customers...     1,474          1,810
  Other..............................................    10,454          5,946
                                                       --------       --------
                                                       $ 17,768       $ 12,686
                                                       --------       --------
                                                       $348,286       $319,548
                                                       ========       ========
CAPITALIZATION AND LIABILITIES
Capitalization
  Common stock equity................................  $ 85,657       $ 77,353
  Cumulative convertible preferred stock equity......       190            220
  Cumulative preferred stock of subsidiary...........     3,100          3,100
  Long-term debt.....................................    97,884        101,712
                                                       --------       --------
                                                       $186,831       $182,385
                                                       --------       --------
Current Liabilities
  Notes payable to banks.............................  $ 52,342       $ 53,100
  Current maturities of long-term debt...............    19,138          1,016
  Accounts payable...................................    30,053         25,971
  Customer advance payments..........................     6,804          6,668
  Accrued taxes......................................       262          3,624
  Accrued interest...................................     1,855          1,902
  Amounts payable to customers.......................     1,089            951
  Accumulated deferred income taxes..................       201             73
  Other..............................................     6,571          7,896
                                                       --------       --------
                                                       $118,315       $101,201
                                                       --------       --------
Deferred Credits
  Accumulated deferred income taxes..................  $ 16,102       $ 18,101
  Unamortized investment tax credit..................     3,584          3,851
  Deferred gas costs payable to suppliers............     1,479          1,492
  Customer advances for construction.................     7,806          6,748
  Other..............................................    14,169          5,770
                                                       --------       --------
                                                       $ 43,140       $ 35,962
                                                       --------       --------
                                                       $348,286       $319,548
                                                       ========       ========
</TABLE>
The accompanying notes to the consolidated financial statements are an integral 
part of these statements.
                                     -19-
<PAGE>   24
<TABLE>
CONSOLIDATED STATEMENTS OF CAPITALIZATION

<CAPTION>
At December 31,                                          1993           1992
                                                       --------       --------
                                                      (in thousands of dollars)
<S>                                                    <C>            <C>
Common Stock Equity
  Common stock, par value $1 per share--authorized 
    20,000,000 shares; 9,680,376 and 8,951,875 
    shares outstanding..............................   $  9,680       $  8,952
  Capital surplus...................................     64,212         58,965
  Retained earnings.................................     13,691         11,547
  Capital stock expense.............................     (1,926)        (1,926)
  Unearned compensation--ESOT.......................         --           (185)
                                                       --------       --------
                                                       $ 85,657       $ 77,353
                                                       --------       --------
Cumulative Convertible Preferred Stock
  Convertible preferred stock, par value $1 per 
    share--authorized 500,000 shares issuable in 
    series; 7,605 and 8,791 shares outstanding......   $      8       $      9
  Capital surplus...................................        182            211
                                                       --------       --------
                                                       $    190       $    220
                                                       --------       --------
Cumulative Preferred Stock of Subsidiary
  $100 par value (callable at option of Subsidiary)
    6% series A--15,000 shares authorized and 
      outstanding...................................   $  1,500       $  1,500
    5 1/2% series B--10,000 shares authorized and 
      outstanding...................................      1,000          1,000
    5 1/2% series C--5,000 shares authorized; 
      4,000 shares outstanding......................        400            400
    5 1/2% series D--2,000 shares authorized and 
      outstanding...................................        200            200
                                                       --------       --------
                                                       $  3,100       $  3,100
                                                       --------       --------
Long-Term Debt
  Southeastern Michigan Gas Enterprises, Inc.
    Variable rate term loan due 1995................   $     --       $  5,333
    Variable rate term loan due 1997 (4.088% at 
      12/31/93).....................................     20,000             --
    10.0% debentures due 2007.......................     21,169         21,176
    10.0% debentures due 2008.......................     12,528         12,544
    9.8% debentures due 2014........................     28,720         28,720
    8.625% debentures due 2017......................     24,960         24,960
  Southeastern Michigan Gas Company
    First mortgage bonds-
      9.5% series due 1995..........................      3,500          3,500
      8.25% series due 1997.........................      3,500          3,500
      10.75% series due 2000........................      1,225          1,300
      9.25% series due 2002.........................      1,420          1,510
  Variable rate ESOT term loan due 1998.............         --            185
                                                       --------       --------
                                                       $117,022       $102,728
  Less--Current maturities..........................     19,138          1,016
                                                       --------       --------
                                                       $ 97,884       $101,712
                                                       --------       --------
                                                       $186,831       $182,385
                                                       ========       ========

</TABLE>
The accompanying notes to the consolidated financial statements are an integral 
part of these statements.

                                     -20-
<PAGE>   25
<TABLE>
CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' INVESTMENT

<CAPTION>
Years Ended December 31,                          1993       1992       1991
                                                -------    -------    -------
                                                  (in thousands of dollars)
<S>                                             <C>        <C>        <C>
Common Stock
  Beginning of year...........................  $ 8,952    $ 8,295    $ 7,714
    5% stock dividends May 1993, May 1992
      and May 1991............................      449        417        387
    Common stock issued through dividend
      reinvestment plan and other.............      279        240        194
                                                -------    -------    -------
  End of year.................................  $ 9,680    $ 8,952    $ 8,295
                                                =======    =======    =======

Common Stock Capital Surplus
  Beginning of year...........................  $58,965    $55,712    $53,340
    5% stock dividends May 1993, May 1992 
      and May 1991............................     (471)      (432)      (408)
    Common stock issued through dividend
      reinvestment plan and other.............    5,718      3,685      2,780
                                                -------    -------    -------
  End of year.................................  $64,212    $58,965    $55,712
                                                =======    =======    =======

Retained Earnings
  Beginning of year...........................  $11,547    $ 9,882    $ 8,730
    Net income available for common stock.....    9,563      8,310      7,301
    Cash dividends on common stock............   (7,419)    (6,875)    (6,385)
    Tax benefit from dividends paid to ESOT...       --        230        236
                                                -------    -------    -------
  End of year.................................  $13,691    $11,547    $ 9,882
                                                =======    =======    =======

Capital Stock Expense
  Beginning of year...........................  $(1,926)   $(1,926)   $(1,926)
                                                -------    -------    -------
  End of year.................................  $(1,926)   $(1,926)   $(1,926)
                                                =======    =======    =======

Unearned Compensation--ESOT
  Beginning of year...........................  $  (185)   $(1,205)   $(2,250)
    Compensation earned.......................      185      1,020      1,045
                                                -------    -------    -------
  End of year.................................  $    --    $  (185)   $(1,205)
                                                =======    =======    =======

Convertible Preferred Stock
  Beginning of year...........................  $     9    $     9    $    10
    Conversion of preferred stock.............       (1)        --         (1)
                                                -------    -------    -------
  End of year.................................  $     8    $     9    $     9
                                                =======    =======    =======

Convertible Preferred Stock Capital Surplus
  Beginning of year...........................  $   211    $   223    $   240
    Conversion of preferred stock.............      (29)       (12)       (17)
                                                -------    -------    -------
  End of year.................................  $   182    $   211    $   223
                                                =======    =======    =======
</TABLE>
The accompanying notes to the consolidated financial statements are an integral 
part of these statements.




                                     -21-
<PAGE>   26
NOTES TO THE CONSOLIDATED FINANCIAL STATEMENTS


1.  SIGNIFICANT ACCOUNTING POLICIES

     Principles of Consolidation.  The consolidated financial statements 
include the accounts of Southeastern Michigan Gas Enterprises, Inc. (the 
Company) and its wholly-owned subsidiaries, Southeastern Michigan Gas Company 
(Southeastern), Battle Creek Gas Company (Battle Creek), Michigan Gas Company 
(Michigan Gas), SEMCO Energy Services, Inc. (SEMCO), Southeastern Financial 
Services, Inc. and Southeastern Development Company.  Investments in 
unconsolidated companies at least 20% owned, but not greater than 50% owned, 
are reported using the equity method of accounting.  All significant 
intercompany transactions have been eliminated in consolidation.  Certain 
previously reported amounts have been reclassified to conform with 1993 
presentations.
     Rate Regulation.  The Company accounts for the effects of regulation under 
SFAS 71, "Accounting for the Effects of Certain Types of Regulation."  As a 
result, the actions of regulators affect when revenues, expenses, assets and 
liabilities are recognized.
     The rates of the utility subsidiaries, Southeastern, Battle Creek and 
Michigan Gas, are subject in certain respects to the requirements of state and 
local regulatory bodies.  The MPSC authorizes the rates charged to customers by 
Southeastern and Michigan Gas.  Battle Creek's rates are subject to the 
jurisdiction of the City Commission of Battle Creek, Michigan.
     Utility Plant, Other Property and Depreciation.  Utility plant in service 
is recorded at cost.  The utility subsidiaries provide for depreciation on a 
straight-line basis over the estimated useful lives of the related property.
     Included in other property are the nonutility fixed assets of the Company 
and its subsidiaries, reduced by the related accumulated depreciation.  
Generally, these assets are recorded at cost and depreciated on a straight-line 
basis over their estimated useful lives.
     The ratio of depreciation to the average balance of property approximated 
4.3%, 4.6% and 5.2% for the years 1993, 1992 and 1991, respectively.
     Certain investments in unconsolidated companies recorded using the equity 
method are also reported as other property.  See Note 9 for further discussion.
     Receivables, Gas Sales, Transportation and Marketing Revenues.  Customer 
receivables, gas sales and transportation revenues arise from the operations of 
the utility subsidiaries.  These subsidiaries deliver natural gas to a broadly 
diversified base of residential, commercial and industrial customers located 
within the state of Michigan.  Marketing revenues and receivables arise from 
SEMCO's marketing operations.  SEMCO markets natural gas to industrial 
customers and gas distribution utilities located in Michigan, Ohio and 
Illinois.
     Revenue Recognition.  Southeastern, Michigan Gas and Battle Creek bill 
monthly on a cycle basis and follow the industry practice of recognizing 
revenue for gas services rendered to their customers but not billed at month 
end.  These amounts are presented as accrued utility revenue in the balance 
sheet.
     SEMCO enters into natural gas futures and options contracts to mitigate 
the effects of gas price fluctuations on its fixed-price marketing contracts.  
Gains and losses on these transactions, accounted for as hedges, are included 
in revenues in the same period natural gas is delivered to customers pursuant 
to the marketing contracts.  Futures and options contracts are purchased almost 
exclusively on the NYMEX.

                                     -22-
<PAGE>   27
     Hedge Accounting.  The fair market value of futures and options contracts 
and any deferred gains or losses are included with related contract deposits in 
other current assets.  At December 31, 1993, the fair market value of SEMCO's 
820 futures contracts and 260 option contracts were $934,000 and $135,000, 
respectively.  SEMCO also maintained $2,000,000 in related deposits and 
recorded $2,387,000 in net deferred futures contract losses.  There were 
immaterial amounts recorded in 1992 related to SEMCO's hedging activities.
     Gas in Underground Storage.  Gas in underground storage for Southeastern, 
Michigan Gas and SEMCO is reported at average cost.  Battle Creek's gas 
inventory is stated at last-in, first-out (LIFO) cost.  At December 31, 1993 
and 1992, the balance in this account approximates the replacement value of the 
gas in storage.
     In general, commodity costs and variable transportation costs are 
capitalized as gas in underground storage.  Fixed costs, primarily pipeline 
demand charges and storage charges, are expensed as incurred through cost of 
gas.
     Cost of Gas.  The utility subsidiaries have gas cost recovery mechanisms 
which allow for the adjustment of rates charged to customers in response to 
increases and decreases in the cost of gas purchased.  As permitted by the 
regulatory jurisdiction, increases or decreases in the cost of gas purchased 
are subsequently recovered from or refunded to customers.
     Income Taxes.  Deferred income taxes are recorded for differences between 
the book and tax basis of certain assets and liabilities.  Income tax expense 
includes Federal and state taxes currently payable and deferred income tax 
expenses resulting from adjustments to deferred income tax assets and 
liabilities.  Investment tax credits (ITC) utilized in prior years for income 
tax purposes are deferred for financial accounting purposes and are amortized 
through credits to the income tax provision over the lives of the related 
property.  
     The Company and its subsidiaries file a consolidated Federal income tax 
return.  Income taxes are allocated to each subsidiary based on its separate 
taxable income.
     Oil and Gas Properties.  The Company accounts for oil and gas properties 
under the successful efforts method of accounting.  Under this method, costs of 
productive wells, developmental dry holes and productive leases are capitalized 
and amortized on a unit-of-production basis over the life of remaining related 
reserves.  Cost centers for amortization purposes are determined on a 
field-by-field basis.  The estimated future costs of dismantlement, restoration 
and abandonment are amortized as part of depreciation, depletion and 
amortization expense.
     Oil and gas leasehold costs are capitalized when incurred.  Unproved 
properties are assessed periodically and any impairments in value are charged 
to depreciation expense.
     Exploratory expenses, including geological and geophysical expenses and 
annual delay rentals for oil and gas leases, are charged to expense as 
incurred.  Exploratory drilling costs, including stratigraphic test wells, are 
initially capitalized, but charged to expense if and when the well is 
determined to be unsuccessful.  Oil and gas properties are reported as other 
property and expenses related to oil and gas exploration activities are 
reported as operations expense and depreciation.
     Statement of Cash Flows.  For purposes of the consolidated statement of 
cash flows, the Company considers all highly liquid investments purchased with 
original maturities of three months or less to be cash and temporary cash 
investments.


                                     -23-
<PAGE>   28
     Non-cash investing and financing activities for the years 1993, 1992 and 
1991 are as follows (in thousands of dollars):
<TABLE>
<CAPTION>
                                                   1993      1992       1991
                                                   ----     ------     ------
<S>                                                <C>      <C>        <C>
Conversion of debt to equity................       $185     $1,020     $1,045
Capital additions accrued...................         --     $1,312         --
</TABLE>

2.  REGULATORY MATTERS

     Take-or-Pay.  The take-or-pay liabilities of the utility subsidiaries 
arose pursuant to FERC actions involving deregulation of natural gas industry.  
These costs are substantially recoverable from ratepayers.  At December 31, 
1993, the Company had a total of $1,475,000 in remaining take-or-pay 
liabilities.  The Company does not anticipate additional take-or-pay 
assessments. 
     Order 636 Transition Costs.  In 1992, the FERC issued Order 636 requiring 
interstate pipelines to unbundle their services to most customers and instead 
offer separate services for gas supply, gathering, transportation and storage.  
Pursuant to the implementation of Order 636 in 1993, the interstate pipelines 
have incurred transition costs.  The FERC has allowed the interstate pipelines 
to directly bill certain of these transition costs to former sales service 
customers.  As a result, the Company has recorded liabilities of $2,014,000 at 
December 31, 1993.  The Company does not anticipate any significant additional 
direct billings related to Order 636 transition costs.  As with take-or-pay 
costs, the Company expects Order 636 costs will be recoverable from ratepayers.
     Securities Applications.  In December 1993, Southeastern and Michigan Gas 
filed applications with the MPSC requesting authority to issue up to 
$23,000,000 and $31,000,000, respectively, of long-term debt securities to the 
Company.  These applications are in connection with the Company's plans to 
issue up to $80,000,000 in long-term debt securities to redeem certain 
outstanding issues.  
     Southeastern and Michigan Gas plan to use the proceeds of this debt to 
redeem long-term debt and certain short-term debt currently owed to the 
Company, finance related call premiums and issue costs and, in Southeastern's 
case, to redeem First Mortgage Bonds outstanding.  The Company expects MPSC 
approval of these securities applications in early 1994.
     MPSC Orders.  In December 1992, the MPSC issued Order U-10040 addressing 
the adoption of SFAS 106, "Employers' Accounting For Postretirement Benefits 
Other Than Pensions", by utilities subject to MPSC jurisdiction.  In February 
1993, the MPSC issued Opinion and Order U-10083 addressing the provisions of 
the MPSC Uniform System of Accounts for electric and gas utilities related to 
deferred income tax accounting.  Refer to Note 3 for deferred income tax 
accounting discussion and Note 7 for SFAS 106 discussion.


3.  INCOME TAXES

     SFAS No. 109.  In January 1993, the Company prospectively adopted SFAS 
109, "Accounting For Income Taxes."  Previously, the Company accounted for 
income taxes under Accounting Principle Board Opinion No. 11.
     SFAS 109 requires an annual measurement of deferred tax assets and 
deferred tax liabilities based upon the estimated future tax effects of 
temporary differences and carryforwards.  In general, the total deferred tax 
expense or benefit for the year equals the difference between the beginning and 
end of year balances in deferred tax assets and liabilities.

                                     -24-
<PAGE>   29
     In February 1993, the MPSC issued Opinion and Order U-10083 addressing 
deferred income tax accounting for electric and gas utilities under its 
jurisdiction.  The order granted electric and gas utilities regulated by the 
MPSC general authorization to use deferred tax accounting and to use specific 
accounts to comply with SFAS 109.  The order also confirmed continued recovery 
of regulatory assets and refunding of regulatory liabilities arising from 
deferred tax accounting through current ratemaking practices.
     Upon adoption, the initial application of SFAS 109 was determined by 
recomputing the balance sheet deferred tax amounts as of January 1, 1993 using 
currently enacted tax rates.  The most significant adjustments were related to 
the Company's regulated operations and, since these adjustments are expected to 
be recovered from or refunded to customers in future rates, were offset on the 
balance sheet by regulatory assets and regulatory liabilities.  As a result, 
the adoption of SFAS 109 had no material impact on the results of operations.
     SFAS 109 requires that deferred tax assets and deferred tax liabilities be 
adjusted for changes in tax rates.  During 1993, the Company adjusted these 
items for a one percent increase in the enacted rate.  There was no material 
impact to operations resulting from this adjustment.
     Provision for Income Taxes.  The components of the provision for income 
taxes are as follows (in thousands of dollars):
<TABLE>
<CAPTION>
                                                  1993       1992       1991
                                                 ------     ------     ------
<S>                                              <C>        <C>        <C>
Federal
  Currently payable.........................     $4,879     $4,580     $4,103
  Deferred to future periods................      1,064       (673)      (404)
  Investment tax credits....................       (267)      (267)      (267)
                                                 ------     ------     ------
Total income taxes..........................     $5,676     $3,640     $3,432
Less amounts included in:
  Other income..............................        174        205         72
  Extraordinary item........................        (96)      (464)        --
                                                 ------     ------     ------
Amount included in operating expenses.......     $5,598     $3,899     $3,360
                                                 ======     ======     ======
</TABLE>
     Reconciliation of Statutory Rate to Effective Rate.  A reconciliation of 
the difference between the Company's provision for income taxes and income 
taxes computed at the statutory rate follows (in thousands of dollars):
<TABLE>
<CAPTION>
                                                  1993       1992       1991
                                                -------    -------    -------
<S>                                             <C>        <C>        <C>
Net income available for common stock.......    $ 9,563    $ 8,310    $ 7,301
Add back:
  Preferred dividends.......................        197        199        200
  Income taxes..............................      5,676      3,640      3,432
                                                -------    -------    -------
Pre-tax income..............................    $15,436    $12,149    $10,933
                                                =======    =======    =======
Computed federal income taxes...............    $ 5,403    $ 4,131    $ 3,717
Depreciation................................       (108)      (151)      (187)
Storage gas pricing.........................         14        176        103
Amortization of deferred ITC................       (267)      (267)      (267)
Amortization of non-deductible amounts
  resulting from acquisitions...............        216        205        205
Rate differential on other deferred items...        (49)       (22)       (16)
Other.......................................        467       (432)      (123)
                                                -------    -------    -------
Total income taxes..........................    $ 5,676    $ 3,640    $ 3,432
                                                =======    =======    =======
</TABLE>
                                     -25-
<PAGE>   30
     Deferred Taxes.  The principal components of the Company's deferred tax 
assets (liabilities) were as follows (in thousands of dollars):
<TABLE>
<CAPTION>
                                                                      1993
                                                                    --------
<S>                                                                 <C>
Property........................................................    $(17,593)
ITC.............................................................       2,284 
Employee benefit obligation (including postretirement 
  benefits of $1,705)...........................................       1,840 
Postretirement benefit regulatory assets........................      (1,705)
FERC Order 636 regulatory assets................................        (705)
Hedging transactions (net)......................................        (674)
Take or pay regulatory assets...................................        (580)
Reserve for uncollectible accounts..............................         451 
Accrued vacation................................................         340 
Other...........................................................          39 
                                                                    -------- 
  Total deferred taxes..........................................    $(16,303)
                                                                    ======== 
Gross deferred tax liabilities..................................    $(29,693)
Gross deferred tax assets.......................................      13,390 
                                                                    -------- 
                                                                    $(16,303)
                                                                    ======== 
</TABLE>
     Deferred Tax Expense.  In 1992 and 1991, deferred tax expense resulted 
from timing differences in the recognition of revenue and expense for tax and 
financial reporting purposes.  The sources of these timing differences were as 
follows (in thousands of dollars):
<TABLE>
<CAPTION>
                                                             1992       1991
                                                            -----      -----
<S>                                                         <C>        <C>
Accelerated depreciation................................    $ 828      $ 527 
Property taxes assessed.................................     (328)        80 
Equity investments......................................      811         (7)
Oil and gas.............................................     (210)       (98)
Amortization of migration of storage gas inventories....      (39)       (39)
Amortization of loss on bond redemption.................      (51)       (51)
Deferred gas costs......................................     (274)      (125)
Customer contributions..................................     (913)      (665)
Other...................................................     (497)       (26)
                                                            -----      ----- 
  Total deferred tax expense............................    $(673)     $(404)
                                                            =====      ===== 
</TABLE>

4.  CAPITALIZATION

     Common Stock Equity.  Earnings per share of common stock, cash dividends 
per share of common stock and average number of common shares outstanding are 
restated to reflect five percent stock dividends in May 1993, May 1992 and May 
1991.
     The Company has several short-term credit arrangements and long-term debt 
indentures which contain, among other restrictions, limits on the payment of 
dividends beyond certain levels of retained earnings.  Under the most 
restrictive of these covenants, all of the Company's retained earnings 
($13,691,000) was available for the payment of dividends on any class of stock 
at December 31, 1993.
     Under the trust indenture of its First Mortgage Bonds, all of 
Southeastern's retained earnings ($18,914,000) was available for the payment of 
dividends on its preferred and common stock at December 31, 1993.

                                     -26-
<PAGE>   31
     In January 1994, the Company issued 747,500 shares of common stock 
pursuant to a shelf registration.  Net proceeds approximating $14,724,000 were 
used to reduce notes payable to banks incurred to finance the Company's ongoing 
capital expenditure program and for general corporate purposes.  The proceeds 
are reflected as a reduction in current maturities of long-term debt at 
December 31, 1993.
     Cumulative Convertible Preferred Stock.  At December 31, 1993 and 1992, 
7,605 and 8,791 shares of the Company's $2.3125 cumulative convertible 
preferred shares were outstanding and each share was convertible at the option 
of the holder to 4.11 shares of common stock.  At December 31, 1993, 31,257 
shares of common stock are reserved for issuance upon conversion to holders of 
the convertible preferred stock.  In 1993, 1992 and 1991, preferred shares 
totalling 1,186, 500 and 706 were converted into 4,873, 2,055 and 2,900 shares 
of the Company's common stock, respectively.
     Cumulative Preferred Stock of Subsidiary.  The cumulative preferred stock 
of Southeastern is callable at Southeastern's option at $105 per share.  
Annually dividends on Southeastern's preferred stock are fully guaranteed by 
the Company.
     Long-Term Debt.  At December 31, 1993, the aggregate amount of maturities 
and sinking fund requirements for all issues of long-term debt for each of the 
next five years are as follows (in thousands of dollars):
<TABLE>
<CAPTION>
<S>                                                                   <C>
1994..............................................................    $19,138
1995..............................................................      3,665
1996..............................................................        165
1997..............................................................     23,665
1998..............................................................        165
</TABLE>
     The $19,138,000 maturing in 1994 includes $33,697,000 of long-term debt 
called in February 1994, to be refinanced, net of the $14,724,000 proceeds from 
the common stock offering in January 1994.
     In February 1994, the Company called, at 104.5% of face value, the 
$21,169,000 of its 10% debentures due 2007 and the $12,528,000 of its 10% 
debentures due 2008.  This call resulted in an extraordinary charge in 1993 of 
$177,000, net of tax.  The Company plans to issue long-term debt securities at 
a lower interest rate to refinance these debentures, including the call 
premium, in the near future.  The Company will use its available short-term 
lines of credit to fund the call until the new securities are issued. 
     Substantially all of Southeastern's utility plant is subject to the lien 
of the First Mortgage Bonds.


5.  SHORT-TERM BORROWINGS

     The Company maintains unsecured lines of credit at two banks.  Interest on 
all such lines are at variable rates, which do not exceed the banks' prime 
lending rates.  These arrangements are set to expire during 1994 and the 
Company expects they will be renegotiated at comparable terms.
     Information regarding these borrowings for each of the last three years is 
as follows (in thousands of dollars):
<TABLE>
<CAPTION>
                                                  1993       1992       1991
                                                -------    -------    -------
<S>                                             <C>        <C>        <C>
Notes payable balance at year end...........    $52,342    $53,100    $31,700
Unused lines of credit at year end..........     17,658     18,400      9,800
Average interest rate at year end...........        4.2%       4.4%       6.0%
Maximum borrowings at any month-end.........    $63,450    $53,100    $31,700
Average borrowings..........................     42,347     22,285     15,662
Weighted average cost of borrowing..........        4.1%       4.5%       6.8%
</TABLE>
                                     -27-
<PAGE>   32
6.  FAIR VALUE OF FINANCIAL INSTRUMENTS

     The following methods and assumptions were used to estimate the fair value 
of each significant class of financial instruments:
     Cash, temporary cash investments, trade payables and receivables, notes 
payable to banks, and variable rate long-term debt.  The carrying amount 
approximates fair value.
     Long-term debt.  The fair values of the Company's fixed-rate long-term 
debt are estimated based on quoted market prices for the same or similar issues 
or the call price if less.
     The estimated fair values of the Company's long-term debt as of 
December 31, 1993 and 1992 are as follows (in thousands of dollars):
<TABLE>
<CAPTION>
                                           1993                  1992
                                    -------------------   -------------------
                                    Carrying     Fair     Carrying     Fair
                                     Amount      Value     Amount      Value
                                    --------   --------   --------   --------
<S>                                 <C>        <C>        <C>        <C>
Long-term debt..................... $117,022   $121,250   $102,728   $104,983
</TABLE>

7.  PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS

     Pension Plans.  The Company has non-contributory, defined benefit pension 
plans, for which the Company is the trustee, covering substantially all 
employees.  Pension plan benefits are generally based upon years of service and 
compensation during the final years of employment.  The Company's funding 
policy is to contribute amounts annually to the plans based upon actuarial and 
economic assumptions designed to achieve adequate funding of projected benefit 
obligations.  The Company contributes at least the minimum required by the 
Employee Retirement Income Security Act of 1974, as amended.
     At December 31, 1993, plan assets consisted of 48.5% equity investments, 
17% guaranteed income insurance contracts, 16.1% fixed income securities and 
18.4% cash equivalents.  The Company's pension expense was $1,728,000, 
$1,821,000 and $2,086,000 in the years 1993, 1992 and 1991, respectively.
     Combined net periodic pension cost for the Company's defined benefit plans 
consists of the following components (in thousands of dollars):
<TABLE>
<CAPTION>
                                                  1993       1992       1991
                                                -------    -------    -------
<S>                                             <C>        <C>        <C>
Service cost................................    $ 1,442    $ 1,387    $ 1,458
Interest cost on projected benefit 
  obligation................................      2,983      2,861      2,658
Actual return on assets.....................     (2,562)    (2,191)    (4,397)
Amortization of prior service costs.........        482        482        482
Amortization of unrecognized net gain.......       (313)      (357)      (313)
Amortization of transition obligation.......         79         79         79
Asset gain (loss) deferred..................       (383)      (440)     2,119
                                                -------    -------    -------
Net periodic pension cost...................    $ 1,728    $ 1,821    $ 2,086
                                                =======    =======    =======
</TABLE>
     The following table sets forth the funded status of the plans and amounts 
recognized in the Company's consolidated balance sheet as of December 31, 1993 
and 1992 (in thousands of dollars):





                                     -28-
<PAGE>   33
<TABLE>
<CAPTION>
                                                             1993       1992
                                                           -------    -------
<S>                                                        <C>        <C>
Actuarial present value of benefit obligations:
  Vested benefit obligation.............................   $32,807    $26,757
  Non-vested benefit obligation.........................     1,299      1,610
                                                           -------    -------
  Accumulated benefit obligation........................   $34,106    $28,367
                                                           =======    =======

Projected benefit obligation............................   $45,632    $37,623
Plan assets at fair value...............................    36,685     34,222
                                                           -------    -------
Projected benefit obligation in excess of plan assets...   $ 8,947    $ 3,401
Unrecognized net gain...................................       294      6,270
Unrecognized prior service cost.........................    (5,519)    (6,129)
Unrecognized net obligation at December 31..............      (744)      (823)
                                                           -------    -------
Pension liability recognized in the consolidated
  balance sheet.........................................   $ 2,978    $ 2,719
                                                           =======    =======
</TABLE>
     Significant pension plan assumptions are as follows:
<TABLE>
<CAPTION>
                                                      1993     1992     1991
                                                      -----    -----    -----
<S>                                                   <C>      <C>      <C>
Plan discount rates...............................    7.25%    8.00%    8.50%
Expected long-term rate of return on assets.......    9.00%    9.00%    9.00%
Rates of increase in future compensation levels...    5.00%    5.00%    6.00%
</TABLE>
     Other Postretirement Benefits.  In addition to providing pension benefits, 
the Company provides certain medical and prescription drug benefits to 
qualified retired employees, their spouses and covered dependents.  To qualify, 
a retiree must have started employment before January 1, 1992 and have had at 
least ten years of service.  Retirees with less than 30 years of service are 
required to contribute from 5% to 50% of the Company's coverage cost, with the 
percentage depending on the retiree's age and years of service.  Employees 
hired after January 1, 1992 are not eligible for these benefits under the 
current plan.
     In December 1990, the FASB issued SFAS 106, "Employers' Accounting for 
Postretirement Benefits Other Than Pensions."  The new standard requires the 
Company to change its method of accounting for the cost of postretirement 
benefits other than pensions that are provided to retirees from a pay-as-you-go 
(cash) method to a full accrual method.  Accrual of such postretirement benefit 
costs is required during the years that the employee renders service to the 
Company until the date of full eligibility.  The Company adopted SFAS 106 
effective January 1, 1993.
     In December 1992, the MPSC issued a generic order addressing the adoption 
of SFAS 106 by utilities under their jurisdiction.  The order allows Michigan 
utilities to adopt SFAS 106 for accounting and ratemaking purposes, subject to 
a final order in a general rate case filed before 1996.  The generic order 
requires external funding for amounts recovered in rates.  Pursuant to the 
order, the Company recorded a liability for the utility subsidiaries' portion 
of SFAS 106 expense, a corresponding regulatory asset for the anticipated 
recovery in rates based upon a 20-year amortization period and an expense for 
the utility subsidiaries' pay-as-you-go costs.  The Company plans to file 
general rate cases in accordance with the order prior to 1996.  Any rate relief 
granted by the MPSC will be based on all elements of cost of service, including 
this obligation.




                                     -29-
<PAGE>   34
   The combined net postretirement benefit costs consisted of (in thousands of 
dollars):
<TABLE>
<CAPTION>
                                                                        1993
                                                                       ------
<S>                                                                    <C>
Service cost........................................................   $1,546
Interest cost.......................................................    2,943
Actual return on assets.............................................     (255)
Net amortization and deferral.......................................    1,611
                                                                       ------
Net periodic postretirement benefit cost............................   $5,845
                                                                       ======
</TABLE>
     In 1993, the Company recorded regulatory assets of $4,425,000 for the 
utility subsidiaries' portion of the SFAS 106 costs and an expense of $153,000 
for the nonutility subsidiaries' portion of SFAS 106 costs.  Also in 1993, the 
Company recorded an expense of $688,000 for the utility subsidiaries' portion 
of postretirement expense incurred under the pay-as-you-go method.  In 1992 and 
1991, the other postretirement expense incurred under the pay-as-you-go method 
was $717,000 and $482,000, respectively.
     The Company funds other postretirement benefits on a discretionary basis 
through an Internal Revenue Code Section 401(h) account.  For the years 1993, 
1992 and 1991, the Company made cash contributions to the 401(h) account of 
$579,000, $314,000 and $318,000, respectively.
     The funded status of the postretirement benefit plans is reconciled with 
the liability recorded at December 31, 1993 as follows (in thousands of 
dollars):
<TABLE>
<CAPTION>
                                                                       1993
                                                                     --------
<S>                                                                  <C>
Actuarial present value of estimated benefits
  Retirees........................................................   $ 13,843
  Fully eligible active...........................................      8,131
  Other active....................................................     20,407
                                                                     --------
Accumulated postretirement benefit obligation.....................   $ 42,381
Plan assets at fair value.........................................      4,438
                                                                     --------
Projected postretirement benefit obligation in excess 
  of plan assets..................................................   $ 37,943
    Unrecognized net obligation at transition.....................    (31,917)
    Unrecognized net loss.........................................     (1,448)
                                                                     --------
Recorded liability................................................   $  4,578
                                                                     ========
</TABLE>
     Significant plan assumptions are as follows:
<TABLE>
<CAPTION>
                                                                        1993
                                                                        -----
<S>                                                                     <C>
Plan discount rate................................................      7.25%
Rate of compensation increase.....................................      5.00%
Expected long-term rate of return on assets.......................      9.00%
</TABLE>
     The 1993 costs were developed based on the substantive health care plan in 
effect at January 1, 1993.  As of December 31, 1993, the actuary assumed that 
retiree medical cost increases would be 12% in 1993, 11.5% in 1994, and 
decrease uniformly to 5.8% in 2005 and thereafter and that prescription drug 
cost increases would be 16% in 1993, 15.2% in 1994, and decrease uniformly to 
5.8% in 2005 and thereafter.  The health care cost trend rate assumption 
significantly affects the amounts reported.  For example, a one percentage 
point increase in each year would increase the accumulated postretirement 
benefit obligation as of December 31, 1993 by $8,268,000 and the aggregate of 
the service and interest cost components of net periodic postretirement benefit 
costs for 1993 by $985,000.

                                     -30-
<PAGE>   35
     Employee Stock Ownership Trust.  The Company has an employee stock 
ownership trust (ESOT) which covers substantially all employees.  Under the 
provisions of this trust, the Company may contribute an annual amount at its 
discretion for the benefit of eligible employees.  The contribution, if any, 
may be made in cash or in common shares of the Company.  For the years 1993, 
1992 and 1991, the Company's contributions were $600,000, $400,000 and 
$500,000, respectively.
     In December 1988, the trust borrowed $4,000,000 under a term loan to 
purchase 274,348 shares of the Company's common stock.  In accordance with 
applicable accounting rules, the Company has recorded the ESOT indebtedness in 
long-term debt on its balance sheet with an offsetting charge to common stock 
equity captioned "Unearned compensation-ESOT."  The amount of dividends on ESOT 
shares used by the trust to pay debt service in 1993, 1992 and 1991 were 
$185,000, $675,000 and $694,000, respectively.  Interest expense incurred by 
the trust in those years was $5,000, $45,000 and $138,000, respectively.  The 
ESOT term loan was paid in full in 1993.


8.  COMMITMENTS AND CONTINGENCIES

     Construction Program.  The Company's plans for expansion and improvement 
of its distribution and transmission system, as well as other operations, are 
under a process of continuing review.  Aggregate capital expenditures for all 
segments of the Company's operations for 1994 are projected at $23,200,000.  
Certain commitments have been made in connection with these expenditures.
     Guarantees.  SEMCO Arkansas Pipeline Company, a wholly-owned subsidiary of 
SEMCO, has a 31.67% interest in a partnership which operates the NOARK Pipeline 
System (NOARK).  NOARK is a 302-mile intrastate natural gas pipeline, 
originating in northwest Arkansas and extending northeast across the state.  
The pipeline became operational during the third quarter of 1992.
     The Company, SEMCO Arkansas Pipeline Company and SEMCO have guaranteed 40% 
of the principal and interest payments on up to $93,000,000 of debt used to 
finance the pipeline.  Of the total, $63,000,000 is pursuant to a long-term 
arrangement requiring annual principal payments of approximately $3,150,000 
together with interest on the unpaid balance.  This arrangement matures in 2009 
and has a fixed interest rate of 9.7375%.  The remaining debt of $30,000,000 is 
pursuant to a credit agreement which currently terminates January 1996.  Under 
the terms of the credit agreement, NOARK may request, on an annual basis, a one 
year extension of the then-effective terminate date.  At December 31, 1993 
NOARK had $25,200,000 outstanding under the agreement with interest payments at 
a variable interest rate.
     NOARK has entered into an interest rate swap relating to a notional amount 
of $40,000,000.  Pursuant to the swap, NOARK will receive interest payments at 
5% per annum on $40,000,000 and make interest payments on $40,000,000 at a rate 
equal to six-month LIBOR.  The Company has guaranteed 40% of the payments due 
pursuant to this swap.
     In December 1993, Vesta Energy Corporation (Vesta), a firm shipper on 
NOARK, filed a complaint in the Federal District Court for the Northern 
District of Oklahoma against seven defendants, including NOARK.  Vesta seeks 
actual damages on several theories in an aggregate amount exceeding $1,000,000, 
seeks punitive damages in excess of $1,000,000 and seeks to rescind its 
contracts with certain defendants, including its contract with NOARK.  Neither 
the Company nor any of its subsidiaries is a party to the suit.



                                     -31-
<PAGE>   36
     Under the terms of Vesta's contract with NOARK, Vesta is obligated to pay 
a demand fee of approximately 19.3 cents per Mcf on 50,000 Mcf per day and 
approximately 9.2 cents per Mcf for volumes actually transported on the NOARK 
system.  This contract is set to expire in 1997.
     On January 1, 1994, Vesta discontinued shipments of gas pursuant to its 
contract with NOARK and ceased payment of the demand fee.  An affiliate of 
Southwestern Energy Pipeline Company, a NOARK general partner, which was 
providing approximately 25,000 Mcf per day of the gas transported by Vesta over 
the NOARK system, has indicated its current intent to continue to ship those 
volumes over the system, initially at the full firm rate, generating NOARK 
revenues of approximately $210,000 per month.  In February 1994, the 
defendants, including NOARK, filed a motion for dismissal of Vesta's claim due 
to lack of Federal jurisdiction in the Oklahoma court.  In addition, NOARK and 
certain other defendants filed separate claims in Arkansas against Vesta for 
breach of contract.  As these circumstances continue, the loss of revenues to 
NOARK reduces the Company's net income by approximately $35,000 per month and 
reduces NOARK's cash flows available for debt service.  To the extent NOARK's 
operating cash flows are insufficient to meet debt service, NOARK may draw on 
its available line of credit, require an equity contribution or a loan from its 
partners, or do a combination.  If the above circumstances continue, the 
Company estimates these circumstances could result in a related cash outflow of 
approximately $1,000,000 from the Company in 1994.
     The Company expects to ultimately recover the remaining cost of its 
investment in NOARK over the life of the project.


9.  INVESTMENTS IN AFFILIATES

     The equity method of accounting is used for interests the Company holds in 
affiliates 20% to 50% owned or in which the Company has significant influence 
over operations.  These affiliate companies are generally involved in natural 
gas transmission, storage, or associated operations.  The Company provides 
income taxes on its share of undistributed earnings of these subsidiaries at 
the time the earnings are included in consolidated income.  Refer to Note 8 for 
a discussion of the Company's significant guarantees of affiliate debt.
     At December 31, 1993, the Company held the following interests in these 
affiliates:
<TABLE>
<CAPTION>
                                                                      Percent
                                                                     Ownership
                                                                     ---------
<S>                                                                    <C>
Eaton Rapids Gas Storage System..................................      50.00%
Michigan Intrastate Lateral System...............................      50.00 
Michigan Intrastate Pipeline System..............................      50.00 
Nimrod Natural Gas Corporation...................................      11.00 
Nimrod Limited Partnership.......................................      29.40 
NOARK Gas Services, L.P..........................................      40.00 
NOARK Pipeline System, L.P.......................................      31.67 
</TABLE>
     Summarized combined financial information for the Company's investments in 
affiliate companies for the years ended December 31, 1993, 1992 and 1991 is as 
follows (in thousands of dollars):






                                     -32-
<PAGE>   37
<TABLE>
<CAPTION>
                                                 1993       1992       1991
                                               --------   --------   --------
<S>                                            <C>        <C>        <C>
Net sales...................................   $ 19,717   $ 19,199   $ 10,290
Operating income............................   $  8,105   $  5,337   $  4,826
Net income (loss)...........................   $ (1,284)  $  1,108   $  2,460
                                               ========   ========   ========

The Company's share of net income (loss)....   $    (51)  $    601   $  1,175
                                               ========   ========   ========

Current assets..............................   $  5,636   $  9,467   $ 13,768
Non-current assets..........................    144,961    138,442     73,249
                                               --------   --------   --------
Total assets................................   $150,597   $147,909   $ 87,017
                                               ========   ========   ========

Current liabilities.........................   $ 16,748   $ 13,129   $ 10,106
Non-current liabilities.....................    108,259    106,660     65,308
Equity......................................     25,590     28,120     11,603
                                               --------   --------   --------
Total liabilities and equity................   $150,597   $147,909   $ 87,017
                                               ========   ========   ========

The Company's equity investment.............   $  8,902   $  9,999   $  5,091
                                               ========   ========   ========
The Company's share of undistributed
  earnings (losses).........................   $   (151)  $  1,067   $  1,441
                                               ========   ========   ========
</TABLE>

10.  QUARTERLY FINANCIAL INFORMATION (Unaudited)

     In the opinion of the Company, the following quarterly information 
includes all adjustments necessary for a fair statement of the results of 
operations for such periods.  Earnings and dividends per share of common stock 
are calculated based upon the weighted average number of shares outstanding 
during each quarter.  Due to the seasonal nature of the Company's gas 
distribution business, the results of operations reported on a quarterly basis 
show substantial variations.
     The following amounts are shown in thousands of dollars, except per share 
amounts:
<TABLE>
<CAPTION>
Quarters                                 First    Second     Third    Fourth
- --------                                -------   -------   -------   -------
<S>                                     <C>       <C>       <C>       <C>
1993
  Operating revenue...................  $99,155   $53,011   $40,451   $96,346 
  Operating income....................   11,592     2,518       340     6,980 
  Net income (loss) available for 
    common before extraordinary item..    7,861      (165)   (2,433)    4,477 
  Extraordinary item..................       --        --        --      (177)
                                        -------   -------   -------   ------- 
  Net income (loss) available for 
    common stock......................    7,861      (165)   (2,433)    4,300 
  Earnings (loss) per share of common 
    before extraordinary item(i)......      .82      (.02)     (.25)      .47 
  Earnings (loss) per share of 
    common stock(i)...................      .82      (.02)     (.25)      .45 
  Cash dividends per share of 
    common stock(i)...................      .19       .19       .20       .20 
<FN>
(i) Adjusted for five percent stock dividends in May 1993 and May 1992.
</TABLE>
                                     -33-
<PAGE>   38
<TABLE>
<CAPTION>
Quarters                                 First    Second     Third    Fourth
- --------                                -------   -------   -------   -------
<S>                                     <C>       <C>       <C>       <C>
1992
  Operating revenue...................  $81,969   $47,041   $39,100   $83,416 
  Operating income....................   10,216     2,459         5     7,294 
  Net income (loss) available for 
    common before extraordinary item..    7,629      (380)   (2,335)    4,297 
  Extraordinary item..................     (901)       --        --        -- 
                                        -------   -------   -------   ------- 
  Net income (loss) available for 
    common stock......................    6,728      (380)   (2,335)    4,297 
  Earnings (loss) per share of common 
    before extraordinary item(i)......      .82      (.04)     (.25)      .46 
  Earnings (loss) per share of 
    common stock(i)...................      .73      (.04)     (.25)      .46 
  Cash dividends per share of 
    common stock(i)...................      .18       .18       .19       .19 
<FN>
(i) Adjusted for five percent stock dividends in May 1993 and May 1992.
</TABLE>






































                                     -34-
<PAGE>   39
                             ARTHUR ANDERSEN & CO.

                   Report of Independent Public Accountants


To Southeastern Michigan Gas Enterprises, Inc.:

We have audited the accompanying consolidated balance sheets and statements of 
capitalization of SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC. (a Michigan 
corporation) and subsidiaries as of December 31, 1993 and 1992, and the related 
consolidated statements of income, changes in stockholders' investment and cash 
flows for each of the three years in the period ended December 31, 1993.  These 
financial statements and the schedules referred to below are the responsibility 
of the Company's management.  Our responsibility is to express an opinion on 
these financial statements and schedules based on our audits.

We conducted our audits in accordance with generally accepted auditing 
standards.  Those standards require that we plan and perform the audit to 
obtain reasonable assurance about whether the consolidated financial statements 
are free of material misstatement.  An audit includes examining, on a test 
basis, evidence supporting the amounts and disclosures in the consolidated 
financial statements.  An audit also includes assessing the accounting 
principles used and significant estimates made by management, as well as 
evaluating the overall financial statement presentation.  We believe that our 
audits provide a reasonable basis for our opinion.

In our opinion, the consolidated financial statements referred to above present 
fairly, in all material respects, the financial position of Southeastern 
Michigan Gas Enterprises, Inc. and subsidiaries as of December 31, 1993 and 
1992, and the results of their operations and their cash flows for each of the 
three years in the period ended December 31, 1993, in conformity with generally 
accepted accounting principles.

As discussed in Notes 3 and 7 to the consolidated financial statements, 
effective January 1, 1993, the Company changed its method of accounting for 
income taxes and other postretirement benefits.

Our audits were made for the purpose of forming an opinion on the basic 
financial statements taken as a whole.  The schedules listed in item 14(a)2 are 
presented for purposes of complying with the Securities and Exchange 
Commission's rules and are not part of the basic financial statements.  These 
schedules have been subjected to the auditing procedures applied in the audits 
of the basic financial statements and, in our opinion, fairly state in all 
material respects the financial data required to be set forth therein in 
relation to the basic financial statements taken as a whole.


                                       ARTHUR ANDERSEN & CO.

Detroit, Michigan,
  February 9, 1994.





                                     -35-
<PAGE>   40
ITEM 9.   CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND 
          FINANCIAL DISCLOSURE


     None.



















































                                     -36-
<PAGE>   41
                                   PART III



ITEM 10.  DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT


     The information appearing under the captions "Information About Directors 
and Executive Officers" and "Other Executive Officers" in Registrant's 
definitive Proxy Statement (filed or to be filed pursuant to Regulation 14A) 
with respect to Registrant's April 19, 1994 Annual Meeting of Shareholders is 
incorporated by reference herein.



ITEM 11.  EXECUTIVE COMPENSATION


     The information appearing under the captions "Compensation Committee 
Interlocks and Insider Participation" and "Compensation of Directors and 
Executive Officers" in Registrant's definitive Proxy Statement (filed or to be 
filed pursuant to Regulation 14A) with respect to Registrant's April 19, 1994 
Annual Meeting of Shareholders is incorporated by reference herein.



ITEM 12.  SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT


     The information appearing under the caption "Stock Outstanding, Voting 
Rights and Votes Required" in the Registrant's definitive Proxy Statement 
(filed or to be filed pursuant to Regulation 14A) with respect to Registrant's 
April 19, 1994 Annual Meeting of Shareholders, is incorporated by reference 
herein.



ITEM 13.  CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS


     The information appearing under the caption "Certain Business 
Relationships of Directors" in the Registrant's definitive Proxy Statement 
(filed or to be filed pursuant to Regulation 14A) with respect to Registrant's 
April 19, 1994 Annual Meeting to Shareholders, is incorporated by reference 
herein.











                                     -37-
<PAGE>   42
                                    PART IV



ITEM 14.  EXHIBITS, FINANCIAL STATEMENT SCHEDULES, AND REPORTS ON FORM 8-K


(a)  1.   Consolidated Financial Statements.  The following financial 
          statements are included in Part II, item 8 above.
<TABLE>
<CAPTION>
                                                               Pages in 10-K
                                                               -------------
<S>                                                              <C>  
          Consolidated Statements of Income for the years
            ended December 31, 1993, 1992 and 1991                   17

          Consolidated Statements of Cash Flows for the 
            years ended December 31, 1993, 1992 and 1991             18

          Consolidated Balance Sheets as of 
            December 31, 1993 and 1992                               19

          Consolidated Statements of Capitalization as 
            of December 31, 1993 and 1992                            20

          Consolidated Statements of Changes in 
            Stockholders' Investment for the years 
            ended December 31, 1993, 1992 and 1991                   21

          Notes to the Consolidated Financial Statements           22-34

          Report of Independent Public Accountants                   35
</TABLE>

(a)  2.   Financial Statement Schedules.

          The following additional data should be read in conjunction with the 
          Consolidated Financial Statements in Part II, item 8 above.  
          Schedules not included herein have been omitted because they are not 
          applicable or the required information is shown in such financial 
          statements or notes thereto.
<TABLE>
<CAPTION>
          Schedule
           Number                                              Pages in 10-K
          --------                                             -------------
<S>                 <C>                                            <C>
            III     Condensed Financial Information of 
                    Southeastern Michigan Gas Company              42-45

              V     Consolidated Property, Plant and 
                    Equipment for the years ended 
                    December 31, 1993, 1992 and 1991               46-48

             VI     Consolidated Accumulated Depreciation, 
                    Depletion and Amortization of Property, 
                    Plant and Equipment for the years 
                    ended December 31, 1993, 1992 and 1991         49-51

           VIII     Consolidated Valuation and Qualifying 
                    Accounts for the years ended 
                    December 31, 1993, 1992 and 1991                 52

              X     Consolidated Supplementary Income 
                    Statement Information for the years 
                    ended December 31, 1993, 1992 and 1991           53
</TABLE>
                                     -38-
<PAGE>   43
(a)  3.   Exhibits, including those incorporated by reference
<TABLE>
<CAPTION>
                                                                 Filed
                                                          --------------------
Exhibit                                                                  By
  No.               Description                           Herewith    Reference
- -------             -----------                           --------    ---------
<S>       <C>                                             <C>         <C>
  2       Plan of Acquisition, etc.                          NA           NA

  3       Articles of Incorporation and Bylaws

  3(a)    1--Articles of Incorporation of Southeastern 
             Michigan Gas Enterprises, Inc. 
             (Enterprises), as restated 
             July 11, 1989.(e)                                            x
          2--Certificate of amendment to Article III of 
             the Articles of Incorporation dated 
             May 16, 1990.(g)                                             x

 3(b)     Bylaws of Enterprises--last revised 
          October 14, 1993.                                  x

 4(a)     Agreement to furnish Indenture of Mortgage and 
          Deed of Trust dated October 1, 1950 and 
          supplements thereto.(d)                                         x

 4(b)     Agreement to furnish credit Agreement dated 
          October 3, 1985, between Enterprises and 
          NBD-Bank (National Bank of Detroit).(f)                         x

 4(c)     Trust Indenture dated September 1, 1987, 
          between Enterprises and Centerre Trust Company 
          of St. Louis as Trustee.(a)                                     x

 4(d)     Trust Indenture dated December 1, 1987, between 
          Enterprises and Centerre Trust Company of 
          St. Louis as Trustee.(b)                                        x

 4(e)     Trust Indenture dated December 15, 1988, 
          between Enterprises and Boatmen's Trust Company 
          as Trustee.(c)                                                  x

 4(f)     Trust Indenture dated April 1, 1992, between 
          Enterprises and NBD Bank, N.A. as Trustee.(j)                   x

 9        Voting Trust Agreement.                            NA           NA

10        Material Contracts.

10(a)     Guaranty Agreement dated October 10, 1991, 
          relating to financing of NOARK.(h)                              x

10(b)     Group A Employment Contract.(k)                                 x

10(c)     Short-Term Incentive Plan.(k)                                   x

11        Statement re computation of per share earnings.    NA           NA

12        Statements re computation of ratios.(i)                         x

13        Annual report to shareholders.                     NA           NA

16        Letter re change in certifying accountant.         NA           NA

</TABLE>

                                     -39-
<PAGE>   44
<TABLE>
<CAPTION>
                                                                 Filed
                                                          --------------------
Exhibit                                                                  By
  No.               Description                           Herewith    Reference
- -------             -----------                           --------    ---------
<S>       <C>                                             <C>         <C>    
18        Letter re change in accounting principle.          NA           NA
21        Subsidiaries of the Registrant.                    x
22        Published report regarding matters submitted 
          to a vote of security holders.                     NA           NA
23        Consent of Independent Public Accountants.         x
24        Power of Attorney.                                 x
27        Financial Data Schedule.                           NA           NA
28        Information from reports furnished to state
          insurance regulatory authorities.                  NA           NA
99        Proxy Statement dated March 21, 1994.(l)                        x
          
</TABLE>
Key to Exhibits Incorporated by Reference 

     (a)  Filed with Enterprises' Registration Statement, Form S-2, No. 
          33-18979, filed December 10, 1987.
     (b)  Filed with Enterprises' Form 10-K for 1987, dated March 28, 1988, 
          File No. 0-8503.
     (c)  Filed with Enterprises' Form 10-K for 1988, dated March 30, 1989, 
          File No. 0-8503.
     (d)  Filed with Enterprises' Form 10-Q for the quarter ended June 30, 
          1989, File No. 0-8503.
     (e)  Filed with Enterprises' Form 10-K for 1989, dated March 29, 1990, 
          File No. 0-8503.
     (f)  Filed with Enterprises' Form 10-Q for the quarter ended September 30, 
          1990, File No. 0-8503.
     (g)  Filed with Enterprises' Form 10-K for 1990, dated March 28, 1991, 
          File No. 0-8503.
     (h)  Filed with Enterprises' Registration Statement, Form S-2, No. 
          33-46413, filed March 16, 1992.
     (i)  Filed with Enterprises' Form 10-K for 1991, dated March 27, 1992, 
          File No. 0-8503.
     (j)  Filed with Enterprises' Form 10-Q for the quarter ended March 31, 
          1992, File No. 0-8503.
     (k)  Filed with Enterprises' Form 10-K for 1992, dated March 30, 1993, 
          File No. 0-8503.
     (l)  Filed March 16, 1994, pursuant to Rule 14a-6 of the Exchange Act, 
          File No. 0-8503.


ITEM 14. (Continued)

(b)  No reports on Form 8-K have been filed during the quarter ended 
     December 31, 1993.  On January 11, 1994, the Company filed Form 8-K to 
     report litigation affecting the Company.  See Note 8 of "Notes to the 
     Consolidated Financial Statements" for further discussion.

(c)  The Exhibits, if any, filed herewith are identified on the Exhibit Index.

(d)  The financial statement schedules filed are listed under Item 14.(a).2. 
     above.

                                     -40-
<PAGE>   45
                                  SIGNATURES

     Pursuant to the requirements of Section 13 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.  

                                    SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.


Date:  March 28, 1994               By /s/ Ward N. Kirby
                                       ----------------------------------------
                                       President and Chief Executive Officer

     Pursuant to the requirements of the Securities Exchange Act of 1934, this 
report has been signed below by the following persons on behalf of the 
Registrant and in the capacities and on the dates indicated.  
<TABLE>
<CAPTION>
          Signature                    Title                          Date
          ---------                    -----                          ----
<S>                       <C>                                   <C>

/s/Ward N. Kirby          President                             March 28, 1994
- ------------------------
   Ward N. Kirby              (Director and Principal
                              Executive Officer)

/s/Robert F. Caldwell     Executive Vice President              March 28, 1994
- ------------------------
   Robert F. Caldwell         (Director and Principal
                              Financial and Accounting 
                              Officer)

/s/Frank G. Andreoni*     Director                              March 28, 1994
- ------------------------
   Frank G. Andreoni

/s/Daniel A. Burkhardt*   Director                              March 28, 1994
- ------------------------
   Daniel A. Burkhardt

/s/George T. Ferris*      Director                              March 28, 1994
- ------------------------
   George T. Ferris

/s/Michael O. Frazer*     Director                              March 28, 1994
- ------------------------
   Michael O. Frazer

/s/Harvey I. Klein*       Director                              March 28, 1994
- ------------------------
   Harvey I. Klein

/s/William March*         Director                              March 28, 1994
- ------------------------
   William March

/s/Edith A. Stotler*      Director                              March 28, 1994
- ------------------------
   Edith A. Stotler

/s/Robert J. Thomson*     Director                              March 28, 1994
- ------------------------
   Robert J. Thomson

/s/John W. Wirtz*         Director                              March 28, 1994
- ------------------------
   John W. Wirtz

*By/s/Ward N. Kirby                                             March 28, 1994
   ---------------------
      Ward N. Kirby
      Attorney-in-fact
</TABLE>
                                     -41-
<PAGE>   46
<TABLE>
SCHEDULE III

                  SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
               SCHEDULE III - CONDENSED FINANCIAL INFORMATION OF
                       SOUTHEASTERN MICHIGAN GAS COMPANY


                              STATEMENT OF INCOME


<CAPTION>
                                                 Years ended December 31,
                                            ---------------------------------
                                             1993         1992         1991
                                            -------      -------      -------
                                                 (Thousands of Dollars)
<S>                                         <C>          <C>          <C>
OPERATING REVENUE
  Gas sales                                 $72,486      $65,585      $60,200
  Transportation                              3,125        2,809        2,970
  Other operations                              380          361          332
                                            -------      -------      -------
                                             75,991       68,755       63,502
                                            -------      -------      -------

OPERATING EXPENSES                                                           
  Cost of gas sold                           46,297       40,990       37,359
  Operations                                 11,406       11,329       11,049
  Maintenance                                 2,019        1,808        1,745
  Depreciation                                3,690        3,460        3,259
  Income taxes                                2,071        1,690        1,375
  Taxes other than income taxes               3,488        3,217        2,935
                                            -------      -------      -------
                                             68,971       62,494       57,722
                                            -------      -------      -------

OPERATING INCOME                              7,020        6,261        5,780

OTHER INCOME, NET                               179          207          225
                                            -------      -------      -------

INCOME BEFORE INCOME DEDUCTIONS               7,199        6,468        6,005
                                            -------      -------      -------

INCOME DEDUCTIONS
  Interest on long-term debt                  1,676        1,703        1,778
  Other interest                                614          524          352
  Amortization of debt expense                  145          145          146
                                            -------      -------      -------

                                              2,435        2,372        2,276
                                            -------      -------      -------

NET INCOME                                    4,764        4,096        3,729
  Dividends on preferred stock                  178          178          178
                                            -------      -------      -------

NET INCOME AFTER DIVIDENDS                                                   
  ON PREFERRED STOCK                        $ 4,586      $ 3,918      $ 3,551
                                            =======      =======      =======

</TABLE>





                                     -42-
<PAGE>   47
<TABLE>
                                                                   SCHEDULE III
                                                                     (cont.)
                  SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
               SCHEDULE III - CONDENSED FINANCIAL INFORMATION OF
                       SOUTHEASTERN MICHIGAN GAS COMPANY


                                 BALANCE SHEET

                                  A S S E T S
                                  -----------



<CAPTION>
                                                            December 31,
                                                      ------------------------
                                                        1993            1992
                                                      --------        --------
                                                       (Thousands of Dollars)
<S>                                                   <C>             <C>
UTILITY PLANT                                                                 
  Plant in service, at original cost                  $124,533        $117,923
    Less - Accumulated depreciation                     49,340          45,862
                                                      --------        --------
                                                        75,193          72,061
  Construction work in progress                            780             224
                                                      --------        --------

                                                        75,973          72,285
                                                      --------        --------

OTHER PROPERTY                                             378             437
                                                      --------        --------

CURRENT ASSETS
  Cash and temporary cash investments, at cost             100              35
  Receivables
    Affiliates                                              85             249
    Nonaffiliates, less reserves of $116 and $117        8,652           9,247
  Accrued utility revenue                                6,209           5,411
  Material and supplies, at average cost                 1,581           1,227
  Gas in underground storage, at average cost           11,333          10,884
  Property taxes assessed and prepayments                1,819           4,087
  Other current assets                                   1,210           1,769
                                                      --------        --------

                                                        30,989          32,909
                                                      --------        --------

DEFERRED CHARGES
  Unamortized debt expense                               1,057           1,202
  Deferred gas charges, recoverable from customers         145           1,002
  Other                                                  5,981           5,839
                                                      --------        --------

                                                         7,183           8,043
                                                      --------        --------

                                                      $114,523        $113,674
                                                      ========        ========

</TABLE>




                                     -43-
<PAGE>   48
<TABLE>
SCHEDULE III
  (cont.)
                  SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
               SCHEDULE III - CONDENSED FINANCIAL INFORMATION OF
                       SOUTHEASTERN MICHIGAN GAS COMPANY


                                 BALANCE SHEET

                        CAPITALIZATION AND LIABILITIES




<CAPTION>
                                                            December 31,
                                                      ------------------------
                                                        1993            1992
                                                      --------        --------
                                                       (Thousands of Dollars)
<S>                                                   <C>             <C>
CAPITALIZATION                                                                
  Common stock equity                                 $ 38,942        $ 38,256
  Cumulative preferred stock                             3,100           3,100
  Long-term debt                                        17,333          17,498
  Capital lease obligations                                323             254
                                                      --------        --------

                                                        59,698          59,108
                                                      --------        --------

CURRENT LIABILITIES                                                           
  Note payable to Enterprises                           19,940          14,366
  Current maturities of long-term debt                     165             165
  Current maturities of capital lease obligations          330             264
  Accounts payable
    Affiliates                                           2,468           1,228
    Nonaffiliates                                        5,537           6,074
  Customer advance payments                              3,037           3,260
  Accrued taxes                                            319           3,189
  Accrued interest                                         278             351
  Amounts payable to customers                               5             236
  Accumulated deferred income taxes                        227             734
  Other                                                  2,145           3,769
                                                      --------        --------

                                                        34,451          33,636
                                                      --------        --------

COMMITMENTS AND CONTINGENCIES                                                 

DEFERRED CREDITS
  Accumulated deferred income taxes                      4,040          11,733
  Unamortized investment tax credits                     2,363           2,531
  Deferred gas costs payable to suppliers                   89             650
  Customer advances for construction                     5,650           4,714
  Other                                                  8,232           1,302
                                                      --------        --------

                                                        20,374          20,930
                                                      --------        --------

                                                      $114,523        $113,674
                                                      ========        ========
</TABLE>
                                     -44-
<PAGE>   49
<TABLE>
                                                                   SCHEDULE III
                                                                     (cont.)
                  SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
               SCHEDULE III - CONDENSED FINANCIAL INFORMATION OF
                       SOUTHEASTERN MICHIGAN GAS COMPANY

                            STATEMENT OF CASH FLOWS
<CAPTION>
                                                 Years ended December 31,
                                            ---------------------------------
                                              1993        1992        1991
                                            --------    --------    --------
                                                 (Thousands of Dollars)
<S>                                         <C>         <C>         <C>
CASH FLOW FROM OPERATING ACTIVITY                                            
  Cash received from customers              $ 76,261    $ 66,933    $ 63,867 
  Cash paid for payrolls and to suppliers    (61,665)    (58,070)    (49,627)
  Interest paid                               (2,363)     (2,198)     (2,132)
  Income taxes paid                           (5,711)     (1,781)       (988)
  Taxes other than income taxes paid          (3,540)     (3,256)     (3,082)
  Other cash receipts and payments, net        1,921        (978)       (958)
                                            --------    --------    -------- 
    NET CASH FROM OPERATING ACTIVITY           4,903         650       7,080 
                                            --------    --------    -------- 
CASH FLOW FROM INVESTING ACTIVITY                                            
  Capital expenditures                        (6,413)     (7,248)     (5,819)
  Proceeds from sale of property 
    and equipment                                107          --          31 
                                            --------    --------    -------- 
    NET CASH FROM INVESTING ACTIVITY          (6,306)     (7,248)     (5,788)
                                            --------    --------    -------- 
CASH FLOW FROM FINANCING ACTIVITY                                            
  Change in notes payable to Enterprises       5,575      11,550       2,510 
  Issuance of long-term debt                      --          --          -- 
  Repayment of long-term debt                    (29)     (1,149)       (260)
  Payment of dividends                        (4,078)     (3,778)     (3,778)
                                            --------    --------    -------- 
    NET CASH FROM FINANCING ACTIVITY           1,468       6,623      (1,528)
                                            --------    --------    -------- 
    NET INCREASE (DECREASE) IN CASH
    AND TEMPORARY CASH INVESTMENTS                65          25        (236)

CASH AND TEMPORARY CASH INVESTMENTS                                          
  Beginning of Year                               35          10         246 
                                            --------    --------    -------- 
  End of Year                               $    100    $     35    $     10 
                                            ========    ========    ======== 

RECONCILIATION OF NET INCOME TO                                              
  NET CASH FROM OPERATING ACTIVITY                                           
  Net income available for common stock     $  4,586    $  3,918    $  3,551 
  Adjustments to reconcile net income to
    net cash from operating activity
      Depreciation                             4,163       3,827       3,666 
      Deferred taxes and ITC                  (2,971)       (459)        756 
      Accounts receivable                      1,318      (2,140)       (195)
      Accrued utility revenue                   (798)        (13)        550 
      Materials and supplies and gas in
        underground storage                     (803)     (2,537)      1,021 
      Property taxes assessed and 
        prepayments                            2,268        (355)       (188)
      Accounts payable                           704         (79)       (242)
      Amounts payable to customers              (230)     (1,095)       (616)
      Other, net                              (3,334)       (417)     (1,223)
                                            --------    --------    -------- 
    NET CASH FROM OPERATING ACTIVITY        $  4,903    $    650    $  7,080 
                                            ========    ========    ======== 
</TABLE>
                                     -45-
<PAGE>   50
<TABLE>
SCHEDULE V




                                   SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
                             SCHEDULE V - CONSOLIDATED PROPERTY, PLANT AND EQUIPMENT
                                      FOR THE YEAR ENDED DECEMBER 31, 1993
                                             (Thousands of Dollars)




<CAPTION>
                                                    Balance                                             Balance
                                                   Beginning    Additions   Retirements  Transfers        End
     Major Classifications                         of Period     at Cost     or Sales    and Other     of Period
- --------------------------------------------       ---------     -------    -----------  ---------     ---------
<S>                                                <C>           <C>        <C>          <C>           <C>
UTILITY PLANT, at cost:
  In service -
    Intangible -
      Organization                                 $     87      $   -        $  -        $   -        $     87
      Franchise and consents                            263           77          23          -             317
                                                   --------      -------      ------      -------      --------

        Total intangible plant                          350           77          23          -             404

    Tangible -
      Production plant                                  326           23          16          172           505
      Storage plant                                  19,434          151         164          106        19,527
      Transmission plant                             24,576        3,890           5           86        28,547
      Distribution plant                            188,100       15,053       1,068         (173)      201,912
      General plant                                  17,978        3,408         756          111        20,741
                                                   --------      -------      ------      -------      --------

        Total plant in service                      250,764       22,602       2,032          302       271,636

  Construction work in progress                       2,928      (2,146)         -            -             782
  Plant held for future use                             157         -              4          -             153
                                                   --------      -------      ------      -------      --------

        Total utility plant, at cost,
          including intangibles                    $253,849      $20,456      $2,036      $   302      $272,571
                                                   ========      =======      ======      =======      ========

OTHER PROPERTY, at cost                            $ 27,088      $   513      $4,014      $(2,006)(A)  $ 21,581
                                                   ========      =======      ======      =======      ========

<FN>
(A) Primarily consists of equity income (loss), net of distributions on investments accounted for under the 
    equity method and miscellaneous writedowns.
</TABLE>








                                     -46-
<PAGE>   51
<TABLE>
                                                                                                   SCHEDULE V
                                                                                                    (cont.)



                                   SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
                             SCHEDULE V - CONSOLIDATED PROPERTY, PLANT AND EQUIPMENT
                                      FOR THE YEAR ENDED DECEMBER 31, 1992
                                             (Thousands of Dollars)




<CAPTION>
                                                    Balance                                             Balance
                                                   Beginning    Additions   Retirements  Transfers        End
     Major Classifications                         of Period     at Cost     or Sales    and Other     of Period
- --------------------------------------------       ---------     -------    -----------  ---------     ---------
<S>                                                <C>           <C>        <C>          <C>           <C>
UTILITY PLANT, at cost:
  In service -
    Intangible -
      Organization                                 $     87      $   -        $  -        $   -        $     87
      Franchise and consents                            260            3         -            -             263
                                                   --------      -------      ------      -------      --------

        Total intangible plant                          347            3         -            -             350

    Tangible -
      Production plant                                  339          -            13          -             326
      Storage plant                                  19,033          626         225          -          19,434
      Transmission plant                             22,334          872         -          1,370        24,576
      Distribution plant                            172,064       16,934         676         (222)      188,100
      General plant                                  16,912        1,901         834           (1)       17,978
                                                   --------      -------      ------      -------      --------

        Total plant in service                      231,029       20,336       1,748        1,147       250,764

  Construction work in progress                         721        2,401         -           (194)        2,928
  Plant held for future use                             157          -           -            -             157
                                                   --------      -------      ------      -------      --------

        Total utility plant, at cost,
          including intangibles                    $231,907      $22,737      $1,748      $   953      $253,849
                                                   ========      =======      ======      =======      ========


OTHER PROPERTY, at cost                            $ 23,498      $ 6,770      $1,929      $(1,251)(A)  $ 27,088
                                                   ========      =======      ======      =======      ========
<FN>
(A) Primarily consists of equity income (loss), net of distributions on investments accounted for under the 
    equity method and miscellaneous writedowns.
</TABLE>








                                     -47-
<PAGE>   52
<TABLE>
SCHEDULE V
 (cont.)



                                   SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
                             SCHEDULE V - CONSOLIDATED PROPERTY, PLANT AND EQUIPMENT
                                      FOR THE YEAR ENDED DECEMBER 31, 1991
                                             (Thousands of Dollars)




<CAPTION>
                                                    Balance                                             Balance
                                                   Beginning    Additions    Retirements  Transfers       End
     Major Classifications                         of Period     at Cost      or Sales    and Other    of Period
- --------------------------------------------       ---------     -------      --------    ---------    ---------
<S>                                                <C>           <C>          <C>         <C>          <C>
UTILITY PLANT, at cost:
  In service -
    Intangible -
      Organization                                 $     87      $   -         $  -       $   -        $     87
      Franchise and consents                            251            9          -           -             260
                                                   --------      -------       ------     -------      --------

        Total intangible plant                          338            9          -           -             347

    Tangible -
      Production plant                                2,221          -          1,882         -             339
      Storage plant                                  18,903          296          -          (166)       19,033
      Transmission plant                             11,698        1,073           18       9,581        22,334
      Distribution plant                            159,640       13,148          768          44       172,064
      General plant                                  16,380        1,447          871         (44)       16,912
                                                   --------      -------       ------     -------      --------

        Total plant in service                      209,180       15,973        3,539       9,415       231,029

  Construction work in progress                         388          333          -           -             721
  Plant held for future use                             157          -            -           -             157
                                                   --------      -------       ------     -------      --------

        Total utility plant, at cost,
          including intangibles                    $209,725      $16,306       $3,539     $ 9,415      $231,907
                                                   ========      =======       ======     =======      ========

OTHER PROPERTY, at cost                            $ 22,994      $16,232       $6,313     $(9,415)     $ 23,498
                                                   ========      =======       ======     =======      ========
</TABLE>












                                     -48-
<PAGE>   53
<TABLE>
                                                                                                   SCHEDULE VI




                                   SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
                       SCHEDULE VI - CONSOLIDATED ACCUMULATED DEPRECIATION, DEPLETION AND
                                  AMORTIZATION OF PROPERTY, PLANT AND EQUIPMENT
                                      FOR THE YEAR ENDED DECEMBER 31, 1993
                                             (Thousands of Dollars)



<CAPTION>
                                          Additions to Reserves          Deductions
                                          ----------------------        from Reserves
                                          Provisions Charged to    -----------------------
                                          ----------------------   Retirements
                             Balance                Clearing and   at Original    Removal               Balance
                            Beginning                  Other        Cost (See    Cost Less                End
      Description           of Period     Income    Accounts(A)    Schedule V)    Salvage   Transfers  of Period
- ------------------------    ---------     ------    ------------   -----------   ---------  ---------  ---------
<S>                         <C>           <C>       <C>            <C>           <C>        <C>        <C>
UTILITY PLANT
  General                    $59,516      $9,193        $387         $1,537        $301       $ 11      $67,269
  Leasehold improvements        --          --           --             --          --         --          --  
  Other limited term 
    utility improvements          61        --             6             26         --         --            41
  Transportation and
    work equipment             3,040         752         --             473         --         --         3,319
                             -------      ------        ----         ------        ----       ----      -------

                             $62,617      $9,945        $393         $2,036        $301       $ 11      $70,629
                             =======      ======        ====         ======        ====       ====      =======

OTHER PROPERTY               $ 6,292      $2,273        $ 19         $3,360        $--        $ --      $ 5,224
                             =======      ======        ====         ======        ====       ====      =======
<FN>

          (A)  Represents primarily provision for depreciation of work equipment which is
               charged to clearing accounts and apportioned together with other work
               equipment expenses to various construction, operation and maintenance accounts.
</TABLE>
















                                     -49-
<PAGE>    54
<TABLE>
SCHEDULE VI
  (cont.)



                                   SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
                       SCHEDULE VI - CONSOLIDATED ACCUMULATED DEPRECIATION, DEPLETION AND
                                  AMORTIZATION OF PROPERTY, PLANT AND EQUIPMENT
                                      FOR THE YEAR ENDED DECEMBER 31, 1992
                                             (Thousands of Dollars)



<CAPTION>
                                          Additions to Reserves          Deductions
                                          ----------------------        from Reserves
                                          Provisions Charged to    -----------------------
                                          ----------------------   Retirements
                             Balance                Clearing and   at Original    Removal               Balance
                            Beginning                  Other        Cost (See    Cost Less                End
      Description           of Period     Income    Accounts(A)    Schedule V)    Salvage   Transfers  of Period
- ------------------------    ---------     ------    ------------   -----------   ---------  ---------  ---------
<S>                         <C>           <C>       <C>            <C>           <C>        <C>        <C>
UTILITY PLANT
  General                    $52,094      $8,532        $358         $1,117        $351       $--       $59,516
  Leasehold improvements        --          --           --             --          --         --          --  
  Other limited term 
    utility improvements          56        --             5            --          --         --            61
  Transportation and
    work equipment             3,014         657         --             631         --         --         3,040
                             -------      ------        ----         ------        ----       ----      -------

                             $55,164      $9,189        $363         $1,748        $351       $--       $62,617
                             =======      ======        ====         ======        ====       ====      =======

OTHER PROPERTY               $ 5,469      $2,280        $ 21         $1,478        $--        $ --      $ 6,292
                             =======      ======        ====         ======        ====       ====      =======

<FN>
          (A)  Represents primarily provision for depreciation of work equipment which is
               charged to clearing accounts and apportioned together with other work
               equipment expenses to various construction, operation and maintenance accounts.
</TABLE>
















                                     -50-
<PAGE>   55
<TABLE>
                                                                                                   SCHEDULE VI
                                                                                                     (cont.)



                                   SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
                       SCHEDULE VI - CONSOLIDATED ACCUMULATED DEPRECIATION, DEPLETION AND
                                  AMORTIZATION OF PROPERTY, PLANT AND EQUIPMENT
                                      FOR THE YEAR ENDED DECEMBER 31, 1991
                                             (Thousands of Dollars)



<CAPTION>
                                          Additions to Reserves          Deductions
                                          ----------------------        from Reserves
                                          Provisions Charged to    -----------------------
                                          ----------------------   Retirements
                             Balance                Clearing and   at Original    Removal               Balance
                            Beginning                  Other        Cost (See    Cost Less                End
      Description           of Period     Income    Accounts(A)    Schedule V)    Salvage   Transfers  of Period
- ------------------------    ---------     ------    ------------   -----------   ---------  ---------  ---------
<S>                         <C>           <C>       <C>            <C>           <C>        <C>        <C>
UTILITY PLANT
  General                    $47,017      $7,793        $362         $2,731        $637      $ 290      $52,094
  Leasehold improvements        --          --           --             --          --         --          --  
  Other limited term 
    utility improvements          51           5         --             --          --         --            56
  Transportation and
    work equipment             2,427       1,395         --             808         --         --         3,014
                             -------      ------        ----         ------        ----      -----      -------

                             $49,495      $9,193        $362         $3,539        $637      $ 290      $55,164
                             =======      ======        ====         ======        ====      =====      =======

OTHER PROPERTY               $ 6,483      $2,945        $--          $3,669        $--       $(290)     $ 5,469
                             =======      ======        ====         ======        ====      =====      =======

<FN>
          (A)  Represents primarily provision for depreciation of work equipment which is
               charged to clearing accounts and apportioned together with other work
               equipment expenses to various construction, operation and maintenance accounts.
</TABLE>
















                                     -51-
<PAGE>   56
<TABLE>
SCHEDULE VIII


                                   SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
                         SCHEDULE VIII - CONSOLIDATED VALUATION AND QUALIFYING ACCOUNTS
                                             (Thousands of Dollars)


<CAPTION>
                                                                      Additions     Deductions
                                                                      ---------    From Reserve
                                                           Balance    Provision   for Purpose of      Balance
                                                          Beginning    Charged   Which the Reserve      End
     Description                                          of Period   to Income    Was Provided      of Period
- -------------------------------------------------------   ---------   ---------  -----------------   ---------

                                      FOR THE YEAR ENDED DECEMBER 31, 1993
                                      ------------------------------------
<S>                                                         <C>        <C>            <C>              <C>
RESERVE DEDUCTED FROM RECEIVABLES IN BALANCE SHEET -
  Uncollectible accounts                                    $1,008     $  939         $  592           $1,355
                                                            ======     ======         ======           ======

RESERVE DEDUCTED FROM OTHER PROPERTY IN BALANCE SHEET -
  Oil and gas leasehold reserve                             $1,405     $  250         $  553           $1,102
                                                            ======     ======         ======           ======

  Real estate land cost reserve                             $  800     $  300         $ -0-            $1,100
                                                            ======     ======         ======           ======

<CAPTION>
                                      FOR THE YEAR ENDED DECEMBER 31, 1992
                                      ------------------------------------
<S>                                                         <C>        <C>            <C>              <C>
RESERVE DEDUCTED FROM RECEIVABLES IN BALANCE SHEET -
  Uncollectible accounts                                    $  992     $1,045         $1,029           $1,008
                                                            ======     ======         ======           ======

RESERVE DEDUCTED FROM OTHER PROPERTY IN BALANCE SHEET -
  Oil and gas leasehold reserve                             $  685     $  720         $ -0-            $1,405
                                                            ======     ======         ======           ======

  Real estate land cost reserve                             $  800     $ -0-          $ -0-            $  800
                                                            ======     ======         ======           ======

<CAPTION>
                                      FOR THE YEAR ENDED DECEMBER 31, 1991
                                      ------------------------------------
<S>                                                         <C>        <C>            <C>              <C>
RESERVE DEDUCTED FROM RECEIVABLES IN BALANCE SHEET -
  Uncollectible accounts                                    $  892     $  672         $  572           $  992
                                                            ======     ======         ======           ======

RESERVE DEDUCTED FROM OTHER PROPERTY IN BALANCE SHEET -
  Oil and gas leasehold reserve                             $ -0-      $  685         $ -0-            $  685
                                                            ======     ======         ======           ======

  Real estate land cost reserve                             $ -0-      $  800         $ -0-            $  800
                                                            ======     ======         ======           ======

</TABLE>


                                     -52-
<PAGE>   57
<TABLE>
                                                                     SCHEDULE X







                  SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
     SCHEDULE X - CONSOLIDATED SUPPLEMENTARY INCOME STATEMENT INFORMATION
             FOR THE YEARS ENDED DECEMBER 31, 1993, 1992 AND 1991
                            (Thousands of Dollars)




<CAPTION>
                                             For the Years ended December 31,
                                             --------------------------------
TAXES OTHER THAN PAYROLL AND INCOME TAXES     1993         1992         1991
- -----------------------------------------    ------       ------       ------
<S>                                          <C>          <C>          <C>
Real and personal property tax               $5,811       $5,303       $4,981
Michigan Single Business Tax                  1,183          998          928
                                             ------       ------       ------

                                             $6,994       $6,301       $5,909
                                             ======       ======       ======

</TABLE>


                Rents, royalties, advertising and research and
                    development costs are not significant.

























                                     -53-
<PAGE>   58
                  SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
                                 Exhibit Index
                                   Form 10-K
                                     1993
<TABLE>
<CAPTION>
                                                                 Filed
                                                          --------------------
Exhibit                                                                  By
  No.               Description                           Herewith    Reference
- -------             -----------                           --------    ---------
<S>       <C>                                             <C>         <C>
  2       Plan of Acquisition, etc.                          NA           NA

  3       Articles of Incorporation and Bylaws

  3(a)    1--Articles of Incorporation of Southeastern 
             Michigan Gas Enterprises, Inc. 
             (Enterprises), as restated 
             July 11, 1989.(e)                                            x
          2--Certificate of amendment to Article III of 
             the Articles of Incorporation dated 
             May 16, 1990.(g)                                             x

 3(b)     Bylaws of Enterprises--last revised 
          October 14, 1993.                                  x

 4(a)     Agreement to furnish Indenture of Mortgage and 
          Deed of Trust dated October 1, 1950 and 
          supplements thereto.(d)                                         x

 4(b)     Agreement to furnish credit Agreement dated 
          October 3, 1985, between Enterprises and 
          NBD-Bank (National Bank of Detroit).(f)                         x

 4(c)     Trust Indenture dated September 1, 1987, 
          between Enterprises and Centerre Trust Company 
          of St. Louis as Trustee.(a)                                     x

 4(d)     Trust Indenture dated December 1, 1987, between 
          Enterprises and Centerre Trust Company of 
          St. Louis as Trustee.(b)                                        x

 4(e)     Trust Indenture dated December 15, 1988, 
          between Enterprises and Boatmen's Trust Company 
          as Trustee.(c)                                                  x

 4(f)     Trust Indenture dated April 1, 1992, between 
          Enterprises and NBD Bank, N.A. as Trustee.(j)                   x

 9        Voting Trust Agreement.                            NA           NA

10        Material Contracts.

10(a)     Guaranty Agreement dated October 10, 1991, 
          relating to financing of NOARK.(h)                              x

10(b)     Group A Employment Contract.(k)                                 x

10(c)     Short-Term Incentive Plan.(k)                                   x

11        Statement re computation of per share earnings.    NA           NA

12        Statements re computation of ratios.(i)                         x

13        Annual report to shareholders.                     NA           NA

16        Letter re change in certifying accountant.         NA           NA
</TABLE>
<PAGE>   59
<TABLE>
<CAPTION>
                                                                 Filed
                                                          --------------------
Exhibit                                                                  By
  No.               Description                           Herewith    Reference
- -------             -----------                           --------    ---------
<S>       <C>                                             <C>         <C>
18        Letter re change in accounting principle.          NA           NA
21        Subsidiaries of the Registrant.                    x
22        Published report regarding matters submitted 
          to a vote of security holders.                     NA           NA
23        Consent of Independent Public Accountants.         x
24        Power of Attorney.                                 x
27        Financial Data Schedule.                           NA           NA
28        Information from reports furnished to state
          insurance regulatory authorities.                  NA           NA
99        Proxy Statement dated March 21, 1994.(l)                        x
          
</TABLE>
Key to Exhibits Incorporated by Reference 

     (a)  Filed with Enterprises' Registration Statement, Form S-2, No. 
          33-18979, filed December 10, 1987.
     (b)  Filed with Enterprises' Form 10-K for 1987, dated March 28, 1988, 
          File No. 0-8503.
     (c)  Filed with Enterprises' Form 10-K for 1988, dated March 30, 1989, 
          File No. 0-8503.
     (d)  Filed with Enterprises' Form 10-Q for the quarter ended June 30, 
          1989, File No. 0-8503.
     (e)  Filed with Enterprises' Form 10-K for 1989, dated March 29, 1990, 
          File No. 0-8503.
     (f)  Filed with Enterprises' Form 10-Q for the quarter ended September 30, 
          1990, File No. 0-8503.
     (g)  Filed with Enterprises' Form 10-K for 1990, dated March 28, 1991, 
          File No. 0-8503.
     (h)  Filed with Enterprises' Registration Statement, Form S-2, No. 
          33-46413, filed March 16, 1992.
     (i)  Filed with Enterprises' Form 10-K for 1991, dated March 27, 1992, 
          File No. 0-8503.
     (j)  Filed with Enterprises' Form 10-Q for the quarter ended March 31, 
          1992, File No. 0-8503.
     (k)  Filed with Enterprises' Form 10-K for 1992, dated March 30, 1993, 
          File No. 0-8503.
     (l)  Filed March 16, 1994, pursuant to Rule 14a-6 of the Exchange Act, 
          File No. 0-8503.


<PAGE>   1
                                                                EXHIBIT 3(b)


                                                           Revised 10/14/93

                  SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.
                                    BYLAWS

                                   ARTICLE I
                                     STOCK

     Section 1.   CAPITAL STOCK.  The Capital of this Corporation consists of 
Twenty Million (20,000,000) shares designated "Common Stock $1.00 Par Value" 
and Five Hundred Thousand (500,000) shares designated "Cumulative Preferred 
Stock, $1 Par Value".

     Section 2.   CERTIFICATE OF SHARES.  The Certificates for shares of the 
Capital Stock of this Corporation shall be in such form, not inconsistent with 
the Articles of Incorporation of the Corporation, as shall be prepared or be 
approved by the Board of Directors.  The Certificates shall be signed by the 
President or a Vice President.

     Section 3.   TRANSFER OF SHARES.  Shares of the Capital Stock of the 
Corporation shall be transferred by endorsement of the Certificates 
representing said shares by the registered holder thereof or his attorney, and 
its surrender to the Secretary for cancellation.  Whereupon the Secretary shall 
issue to the transferee or transferees, as specified by the endorsement upon 
the surrendered certificate, new certificates for a like number of shares.  
Transfers shall be made only upon the books of the Corporation and upon said 
surrender and cancella-tion; and shall entitle the transferee to all 
privileges, rights and interests of a shareholder of this Corporation.

     Section 4.  RECORD DATE FOR DETERMINATION OF SHAREHOLDERS.  The Board of 
Directors may in its discretion for the purpose of determining shareholders 
entitled to notice of and to vote at a meeting of shareholders or any 
adjournment thereof, or to express consent or dissent from a proposal without a 
meeting, or for the purpose of determining shareholders entitled to receive 
payment of a dividend or allotment of a right, or for the purpose of any other 
action, fix in advance a date as the record date for any such determination of 
shareholders.  The record date shall not be more than sixty (60) nor less than 
ten (10) days before the date of the meeting, nor more than sixty (60) days 
before any other action.  When a determination of shareholders of record 
entitled to notice of or to vote at a meeting of shareholders has been made as 
provided in this Section 4, the determination applies to any adjournment of the 
meeting, unless the Board fixes a new record date under this Section 4 for the 
adjourned meeting.

     Section 5.  LOST CERTIFICATES.  In case of the loss of any certificate of 
shares of stock, upon due proof by the registered holder or his 
representatives, by affidavit of such loss, the Secretary shall issue a 
duplicate certificate in its place, upon the Corporation's being fully 
indemnified therefor.

     Section 6.  FISCAL YEAR.  The fiscal year of the Corporation shall end on 
the 31st day of December in each year.

<PAGE>   2
     Section 7.  CORPORATE SEAL.  The Board of Directors shall provide a 
suitable corporate seal, which seal shall be in charge of the Secretary, and 
shall be used by him.

     Section 8.  REDEMPTION OF CONTROL SHARES.  Consistent with the provisions 
of Section 799 of the Michigan Business Corporation Act, MCL 450.1799, control 
shares of the Company acquired in a control share acquisition, with respect to 
which no acquiring person statement has been filed with the Company, are, at 
any time during the period ending 60 days after the last acquisition of control 
shares or the power to direct the exercise of voting power of control shares by 
the acquiring person, subject to redemption by the Company at the fair value of 
the shares pursuant to procedures adopted by the Board of Directors.

     After an acquiring person statement has been filed and after the meeting 
at which the voting rights of the control shares acquired in a control share 
acquisition  are submitted to the shareholders, the shares are subject to 
redemption by the Company at the fair value of the shares pursuant to 
procedures adopted by the Board of Directors unless the shares are accorded 
full voting rights by the shareholders as provided in Section 798 of the 
Michigan Business Corporation Act.



                                  ARTICLE II
                            SHAREHOLDERS' MEETINGS

     Section 1.  TIME, PLACE AND PURPOSE.  Meetings of the shareholders of the 
Corporation shall be held annually on the third Tuesday in April in each year, 
beginning in the year 1978, (or if said day be a legal holiday, then on the 
next succeeding day not a holiday) at 2:00 o'clock P.M., at the office of the 
Corporation in the City of Port Huron, Michigan, or at such other place within 
or without the State of Michigan as may be fixed by the Board of Directors, for 
the purpose of electing Directors and for the transaction of such other 
business as may properly be brought before the meeting.

     Section 2.  SPECIAL MEETINGS.  Special meetings of the shareholders may be 
called by the President and Secretary, and shall be called by either of them by 
vote of a majority of the Board of Directors or at the request in writing of 
shareholders of record owning a majority of the entire shares of the 
Corporation issued and outstanding and entitled to vote at such meetings.

     Section 3.  NOTICE.  Written notice of any shareholders' meeting shall be 
mailed to each shareholder of record entitled to vote at the meeting at his 
last known address, as the same appears on the stock book of the Corporation, 
or otherwise, or delivered in person, not less than ten (10) nor more than 
sixty (60) days before any meeting, and such notice of meeting shall indicate 
the object or objects thereof.  Nevertheless, if all the shareholders entitled 
to vote at the meeting shall waive notice of the meeting, no notice of the same 
shall be required and, whenever all the shareholders entitled to vote at the 
meeting shall meet in person or by proxy, such meeting shall be valid for all 
purposes, without call or notice, and at such meeting any corporate action 
shall not be invalid for want of notice.




                                      -2-
<PAGE>   3
     Section 4.  QUORUM.  At any meeting of the shareholders, the holders of 
the issued and outstanding shares of the Corporation entitled to cast a 
majority of the votes at the meeting, whether present in person or represented 
by proxy, shall constitute a quorum.  The shareholders present in person or by 
proxy at such meeting may continue to do business until adjournment, 
notwithstanding the withdrawal of enough shareholders to leave less than a 
quorum.  Meetings at which less than a quorum is represented, however, may be 
adjourned from time to time to a further date without further notice other than 
the announcement at such meeting and, when a quorum shall be present upon such 
adjourned date, any business may be transacted which might have been transacted 
at the meeting as originally called.

     Section 5.  VOTING.  Each shareholder entitled to vote at any meeting 
shall have one vote in person or by proxy for each share held by him which has 
voting power upon the matter in question at the time, but no proxy shall be 
voted after three years from its date unless said proxy provides for a longer 
period.  In all elections for Directors, each shareholder entitled to vote 
shall have the right to vote, in person or by proxy, the number of voting 
shares owned by him, for as many persons as there are Directors to be elected, 
or to cumulate said shares and give one candidate as many votes as the number 
of Directors multiplied by the number of his voting shares shall equal, or to 
distribute them on the same principle among as many candidates as he shall see 
fit. 

     Section 6.  ORGANIZATION.  Meetings of the shareholders shall be presided 
over by the Chairman of the Board, or the President, or if neither is present, 
by any Vice President or, if no Vice President is present, by a chairman to be 
chosen at the meeting.  The Secretary of the Corporation or, if he is not 
present, an Assistant Secretary of the Corporation, if present, shall act as 
Secretary of the meeting, but if no such officer is present, the presiding 
officer shall appoint any person to act as Secretary of the meeting.

     Section 7.  INSPECTORS.  The Board of Directors, in advance of a 
shareholders' meeting, may appoint one or more inspectors to act at the meeting 
or any adjournment thereof.  The inspectors shall perform such duties and shall 
make such determinations as are prescribed by law.

     Section 8.  GIVING NOTICE.  Any notice required by statute or by these 
Bylaws to be given to the shareholders, or to Directors, or to any officer of 
the Corporation, shall be deemed to be sufficient to be given by depositing the 
same in a post office box in a sealed, postpaid wrapper, addressed to such 
shareholder, Director, or officer at his last known address with proper postage 
and such notice shall be deemed to have been given at the time of such mailing.

     Section 9.  NEW SHAREHOLDERS.  Every person becoming a shareholder in this 
Corporation shall be deemed to assent to these Bylaws, and shall designate to 
the Secretary the address to which he desires that the notice herein required 
to be given may be sent, and all notices mailed to such addresses, with postage 
prepaid, shall be considered as duly given at the date of mailing, and any 
person failing to so designate his address shall be deemed to have waived 
notice of such meeting.





                                      -3-
<PAGE>   4
                                  ARTICLE III
                                   DIRECTORS

     Section 1.  NUMBER, CLASSIFICATION AND TERM OF OFFICE.  The business and 
the property of the Corporation shall be managed and controlled by the Board of 
Directors.  The number of Directors shall be eleven (11).  Directors shall hold 
office for staggered terms as provided in the Articles of Incorporation.

     Section 2.  PLACE OF MEETING.  The Directors may hold their meetings in 
such place or places within or without this State as a majority of the Board of 
Directors may, from time to time, determine.

     Section 3.  MEETINGS.  Meetings of the Board of Directors may be called at 
any time by the Chairman, President or Secretary, or by a majority of the Board 
of Directors.  Directors shall be notified in writing of the time, place and 
purpose of all meetings of the Board at least three days prior thereto.  Any 
Director shall, however, be deemed to have waived such notice by his attendance 
at any meeting.  The Chairman of the Board, or in his absence the President, 
shall preside at meetings of the Board.

     Section 4.  QUORUM.  A majority of the Board of Directors shall constitute 
a quorum for the transaction of business and, if at any meeting of the Board of 
Directors there be less than a quorum present, a majority of those present may 
adjourn the meeting from time to time.

     Section 5.  VACANCIES.  Vacancies in the Board of Directors shall be 
filled by the remaining members of the Board and each person so elected shall 
be a Director until his successor is elected by the shareholders.

     Section 6.  COMPENSATION.  No Director shall receive any salary or 
compensa-tion for his services as Director, unless otherwise especially ordered 
by the Board of Directors or by the Bylaws.

     Section 7.  AGE OF RETIREMENT.  Notwithstanding anything above to the 
contrary, no individual shall serve as a director past the Retirement Age.  Any 
individual reaching the Retirement Age while serving as director shall be 
considered to have resigned as of that date.  No individual who has reached the 
Retirement Age shall qualify to run for election, or serve, as a director.  The 
Retirement Age for individuals serving as directors on January 1, 1987 shall be 
75 years.  The Retirement Age for all other individuals shall be 70 years.  The 
Board of Directors, however, may waive the provisions of this Section as to any 
director in its discretion by majority vote of the remaining directors in 
office.

     Section 8.  RESIGNATION OF EMPLOYEE DIRECTOR.  Notwithstanding anything 
above to the contrary, any individual who is an employee of the Corporation or 
any majority-owned subsidiary when elected or appointed as a director, shall 
cease to be a director when that employment ends for any reason and shall be 
considered to have resigned as a director as of that date.  The Board of 
Directors, however, may waive the provisions of this Section as to any director 
in its discretion by majority vote of the remaining directors in office.





                                      -4-
<PAGE>   5
     Section 9.  QUALIFICATIONS.  In addition to any other qualifications for a 
director imposed by law, these Bylaws, or the Articles of Incorporation, a 
person shall not qualify to serve as a director if that person has previously 
served concurrently as a director of the Corporation and an employee of the 
Corporation or any majority-owned subsidiary, but is no longer an employee.  
The Board of Directors, however, may waive the provisions of this Section as to 
any director in its discretion by majority vote of the remaining directors in 
office.



                                  ARTICLE IV
                                   OFFICERS

     Section 1.  NUMBER, CLASSIFICATION AND TERM OF OFFICE.  The Board of 
Directors shall select a President, a Secretary, a Treasurer and a Director, 
Audit and Corporate Services and may select one or more additional Vice 
Presidents, Assistant Secretaries and Assistant Treasurers, who shall be 
elected by the Board of Directors at their regular annual meeting.  The term of 
office shall be for one year and until their successors are chosen.  No one of 
such officers, except the President, need be a Director.  Any two of the 
offices, except those of President and Vice President, may be held by the same 
person, but no officer shall execute, acknowledge, or verify any instrument in 
more than one capacity.  The Board of Directors shall fix the salaries of the 
officers of the Corporation.  The Board of Directors may also fill any vacancy 
in the foregoing offices at any regular or special meeting duly called and 
held.

     Section 2.  APPOINTMENTS AND REMOVAL OF OFFICERS.  The Board of Directors 
may also appoint such other officers and agents as they may deem necessary for 
the transaction of the business of the Corporation.  All officers and agents 
shall respectively have such authority and perform such duties in the 
management of the property and affairs of the Corporation as may be designated 
by the Board of Directors.  Without limitation of any right of an officer or 
agent to recover damages for breach of contract, the Board of Directors may 
remove any officer or agent whenever, in their judgment, the business interests 
of the Corporation will be served thereby.

     Section 3.  BONDING OF OFFICERS.  The Board of Directors may secure the 
fidelity of any or all of such officers by bond or otherwise.



                                   ARTICLE V
                              DUTIES OF OFFICERS

     Section 1.  PRESIDENT.  The President shall be the chief executive officer 
of the Company and, as such, shall have supervision of its policies, business 
and affairs, and such other powers and duties as are commonly incident to the 
office of chief executive officer.  He may sign, execute, and deliver in the 
name of the Company powers of attorney, contracts, bonds, and other obligations 
and shall perform such other duties as may be prescribed from time to time by 
the Board of Directors or by the Bylaws.  He may appoint officers, agents, or 
employees other than those appointed by the Board of Directors.


                                      -5-
<PAGE>   6
     Section 2.  EXECUTIVE VICE PRESIDENT.  The Executive Vice President shall 
be the chief operating officer of the Company.  He shall exercise such duties 
as customarily pertain to the office of Executive Vice President and chief 
operating officer and shall have such other duties as shall be delegated by the 
President.  He may sign, execute, and deliver in the name of the Company powers 
of attorney, contracts, bonds, and other obligations and shall perform such 
other duties as may be prescribed from time to time by the Board of Directors 
or by the Bylaws.  In the absence or disability of the President, the Executive 
Vice President shall perform the duties and exercise the powers of the 
President.

     Section 3.  VICE PRESIDENT(S).  If the Board of Directors shall have 
selected one or more additional Vice Presidents, any such Vice President shall 
do and perform such acts and shall exercise such powers and have such 
responsibilities as the Board of Directors may, from time to time, authorize or 
direct.

     Section 4.  TREASURER.  The Treasurer shall have custody and keep account 
of all money, funds and property of the Corporation, unless otherwise 
determined by the Board of Directors, and he shall render such accounts and 
present such statement to the Directors and President as may be required of 
him.  He shall deposit all funds of the Corporation which may come into his 
hands in such bank or banks as the Board of Directors may designate.  He shall 
keep his bank accounts in the name of the Corporation, and shall exhibit his 
books and accounts, at all reasonable times, to any Director of the Corporation 
upon application at the offices of the Corporation during business hours.  He 
shall pay out money as the business may require upon the order of the properly 
constituted officer or officers of the Corporation, taking proper vouchers 
therefor; provided, however, that the Board of Directors shall have power by 
resolution to delegate any of the duties of the Treasurer to other officers, 
and to provide by what officers, if any, all bills, notes, checks, vouchers, 
orders or other instruments shall be countersigned.  He shall perform, in 
addition, such other duties as may be delegated to him by the Board of 
Directors.

     Section 5.  SECRETARY.  The Secretary of the Corporation shall keep the 
minutes of all the meetings of the Shareholders, Board of Directors and 
Committees of the Board in books provided for that purpose; he shall attend to 
the giving and receiving of all notices of the Corporation; he shall sign, with 
the President or a Vice President, in the name of the Corporation, all 
contracts authorized by the Board of Directors and, when necessary, shall affix 
the corporate seal of the Corporation thereto; he shall have charge of the 
certificate books, transfer books and stock ledgers and such other books and 
papers as the Board of Directors may direct; all of which shall, at all 
reasonable times, be open to the examination of any Director upon application 
at the office of the Secretary; and, in addition, such other duties as may be 
delegated to him by the Board of Directors.

     Section 6.  DIRECTOR, AUDIT AND CORPORATE SERVICES.  The Director, Audit 
and Corporate Services shall be responsible for directing internal audit 
functions and the internal audit staff.  He shall also be responsible for 
maintaining the relationship with the Audit Committee including assisting in 
the setting of agendas and the scheduling of meetings.  He shall also function 
as the Quality Process Facilitator and perform other duties as assigned.


                                      -6-
<PAGE>   7
                                  ARTICLE VI
                   INDEMNIFICATION OF DIRECTORS AND OFFICERS

     1.   The Corporation shall indemnify any person against expenses 
(including attorney fees), judgments, fines and amounts paid in settlement 
actually and reasonably incurred by such person by reason of the fact that such 
person is or was a director or officer of the Corporation, in connection with 
any threatened, pending or completed action, suit or proceeding to the full 
extent allowed by Sections 561, 562, 563 and 564 of the Michigan Business 
Corporation Act from time to time in effect (including, where permitted and 
upon any undertaking required, payment in advance of expenses); provided, 
however, that except with respect to actions, suits or proceedings initiated by 
any such person to enforce his or her rights to indemnification or advancement 
of expenses under this Article or otherwise, the Corporation shall indemnify 
any such person in connection with an action, suit or proceeding initiated by 
such person only if such action, suit or proceeding was authorized or ratified 
by the Board of Directors of the Corporation.  "Proceeding" as used in this 
Article shall include any proceeding within an action or suit.

     2.   Without limiting in any way Section 1 of this Article:

     (a)  The Corporation may, by action of or approval by its Board of 
Directors, provide indemnification and/or advancement of expenses to employees 
or agents of the Corporation who are not directors or officers in the same 
manner and to the same extent as such rights are provided to directors and 
officers pursuant to this Article.

     (b)  The indemnification and advancement of expenses provided by or 
granted pursuant to this Article shall not be deemed exclusive of any other 
rights to which those seeking indemnification or advancement of expenses may be 
entitled under these Bylaws, the Articles of Incorporation, contractual 
agreement, or otherwise by law and shall continue as to a person who has ceased 
to be a director or officer of the Corporation and shall inure to the benefit 
of the heirs, executors and administrators of such person.



                                  ARTICLE VII
                                  AMENDMENTS

     The shareholders entitled to vote or the Board of Directors may alter, 
amend, add to or repeal these Bylaws, including the fixing and altering of the 
Board of Directors; provided that the Board of Directors shall not make or 
alter any Bylaws fixing their number, qualifications, classification, or term 
of office.











                                      -7-

<PAGE>   1
                                                                EXHIBIT 21



                  SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.

                             List of Subsidiaries
                        Exhibit 21 to Form 10-K (1993)



The subsidiaries of Southeastern Michigan Gas Enterprises, Inc. (the 
Registrant) are:


Southeastern Michigan Gas Company
Michigan Gas Company
MI-GAS PROPANE COMPANY (a subsidiary of Michigan Gas Company)
Battle Creek Gas Company
Southeastern Financial Services, Inc.
Southeastern Development Company
SEMCO Energy Services, Inc.
SEMCO Pipeline Company (a subsidiary of SEMCO Energy Services, Inc.)
SEMCO Gas Storage Company (a subsidiary of SEMCO Energy Services, Inc.)
SEMCO Arkansas Pipeline Company (a subsidiary of SEMCO Energy Services, Inc.)
SEMCO Gathering Company (a subsidiary of SEMCO Energy Services, Inc.)

Each is incorporated in the State of Michigan and each does business only under 
its respective corporate name indicated above.


<PAGE>   1
                                                                     EXHIBIT 23




                   Consent of Independent Public Accountants





As independent public accountants, we hereby consent to the incorporation of 
our report dated February 9, 1994, included in this Form 10-K for the year 
ended December 31, 1993, into the Company's previously filed Registration 
Statements No. 33-37290, 33-46413 and 33-51553.



                                       ARTHUR ANDERSEN & CO.



Detroit, Michigan,
  March 28, 1994.

<PAGE>   1
                                                                     EXHIBIT 24

                  SOUTHEASTERN MICHIGAN GAS ENTERPRISES, INC.

                               POWER OF ATTORNEY

     Whereas, the Board of Directors of Southeastern Michigan Gas Enterprises, 
Inc., a Michigan corporation, at a meeting held on February 23, 1994, 
authorized and approved the execution of Form 10-K Annual Report for 1993 
pursuant to Section 13 of the Securities Exchange Act of 1934 and the filing of 
said Form 10-K with the Securities and Exchange Commission under the Securities 
Exchange Act of 1934.

     NOW, THEREFORE, each of the undersigned in his capacity as a Director or 
officer, or both, as the case may be, of said Corporation, does hereby appoint 
Ward N. Kirby and Robert F. Caldwell, and each of them severally, his true and 
lawful attorneys or attorney to execute in his name, place and stead, in his 
capacity as a Director or officer or both, as the case may be, of said 
Corporation, the Form 10-K for the year ended December 31, 1993 and any and all 
amendments thereto and all instruments necessary or incidental in connection 
therewith, and to file the same with the Securities and Exchange Commission.  
Each of said attorneys shall have full power of substitution and 
resubstitution.  Each of said attorneys shall have full power and authority to 
do and perform in the name and on behalf of each of the undersigned, in any and 
all capacities, each act whatsoever requisite or necessary to be done in the 
premises, as fully and to all intents and purposes as each of the undersigned 
might or could do in person, and each of the undersigned hereby ratifies and 
approves the acts of said attorneys and each of them.

     IN WITNESS WHEREOF, we have hereunto set our hands as of the 23rd day of 
February, 1994.

/s/Frank G. Andreoni                      /s/Ward N. Kirby
- -------------------------------------     -------------------------------------
Frank G. Andreoni, Director               Ward N. Kirby, President, Chief 
                                          Executive Officer, Director

/s/Daniel A. Burkhardt                    /s/Harvey I. Klein
- -------------------------------------     -------------------------------------
Daniel A. Burkhardt, Director             Harvey I. Klein, Director

/s/Robert F. Caldwell                     /s/William March
- -------------------------------------     -------------------------------------
Robert F. Caldwell, Principal             William March, Director
Financial and Accounting Officer, 
Executive Vice President, Director

/s/Marcia M. Chmielewski                  /s/Edith A. Stotler
- -------------------------------------     -------------------------------------
Marcia M. Chmielewski, Treasurer          Edith A. Stotler, Director
(Controller)

/s/George T. Ferris, Director             /s/Robert J. Thomson
- -------------------------------------     -------------------------------------
George T. Ferris, Director                Robert J. Thomson, Director

/s/Michael O. Frazer                      /s/John W. Wirtz
- -------------------------------------     -------------------------------------
Michael O. Frazer, Director               John W. Wirtz, Director



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