UNION ELECTRIC CO
10-K, 1999-03-30
ELECTRIC SERVICES
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                                  UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                              Washington, DC 20549
                                    FORM 10-K
                (X) ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)
                     OF THE SECURITIES EXCHANGE ACT OF 1934

                   FOR THE FISCAL YEAR ENDED DECEMBER 31, 1998
                                       OR
              ( ) Transition report pursuant to Section 13 or 15(d)
                     of the Securities Exchange Act of 1934
                For the  transition  period from ______ to ______.

                          COMMISSION FILE NUMBER 1-2967

                             UNION ELECTRIC COMPANY
             (Exact name of registrant as specified in its charter)
          Missouri                                      43-0559760
(State or other jurisdiction                (I.R.S. Employer Identification No.)
of incorporation or organization)

                 1901 Chouteau Avenue, St. Louis, Missouri 63103
              (Address of principal executive offices and Zip Code)
       Registrant's telephone number, including area code: (314) 621-3222

           Securities Registered Pursuant to Section 12(b) of the Act:

     Title of each class            Name of each  exchange  on which  registered
Preferred Stock, without par value
(entitled to cumulative dividends):
  Stated value $100 per share -    }
         $4.56 Series              }
         $4.50 Series              }             New York Stock Exchange
         $4.00 Series              }
         $3.50 Series              }

        Securities Registered Pursuant to Section 12(g) of the Act: None.

     Indicate  by check mark  whether the  registrant  (1) has filed all reports
required to be filed by Section 13 or 15(d) of the  Securities  Exchange  Act of
1934  during  the  preceding  12 months  (or for such  shorter  period  that the
registrant was required to file such reports),  and (2) has been subject to such
filing requirements for the past 90 days. Yes X . No .

     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).

     Aggregate market value of voting stock held by  non-affiliates  as of March
5, 1999 , based on closing prices most recently available as reported in the The
Wall Street Journal (excluding Preferred Stock for which quotes are not publicly
available: $52,371,815.

        Shares of Common Stock,  $5 par value,  outstanding as of March 5, 1999:
102,123,834 shares (all owned by Ameren Corporation).

                      Documents incorporated by references.

        Portions of  the registrant's  definitive proxy  statement for the  1999
annual meeting are incorporated by reference into Part III.

<PAGE>
<TABLE>
<CAPTION>


                                TABLE OF CONTENTS

PART I Page
<S>                                                                          <C>

Item 1-Business
        General.............................................................  1
        Capital Program and Financing.......................................  1
        Rates...............................................................  2
        Fuel Supply.........................................................  3
        Regulation..........................................................  3
        Industry Issues.....................................................  4
Item 2-Properties...........................................................  5
Item 3-Legal Proceedings....................................................  6
Item 4-Submission of Matters to a Vote of Security Holders <F1>

Executive Officers of the Registrant (Item 401(b) of Regulation S-K)......... 7

PART II

Item 5-Market for Registrant's Common Equity and Related
        Stockholder Matters.................................................  7
Item 6-Selected Financial Data..............................................  8
Item 7-Management's Discussion and Analysis of Financial Condition
        and Results of Operations...........................................  8
Item 7A-Quantitative and Qualitative Disclosures about Market Risk.......... 17
Item 8-Financial Statements and Supplementary Data.......................... 19
Item 9-Changes in and Disagreements with Accountants on Accounting
        and Financial Disclosure <F1>

PART III

Item 10-Directors and Executive Officers of the Registrant <F2>............. 37
Item 11-Executive Compensation <F2>......................................... 37
Item 12-Security Ownership of Certain Beneficial Owners
           and Management <F2>.............................................. 37
Item 13-Certain Relationships and Related Transactions <F2>................. 38

PART IV

Item 14-Exhibits, Financial Statement Schedules and Reports on Form 8-K..... 38

SIGNATURES ................................................................. 40
EXHIBITS  .................................................................. 41


___________________

<FN>
     <F1> Not applicable and not included herein.
     <F2> Incorporated herein by reference.
</FN>
</TABLE>


<PAGE>




                                     PART I

ITEM 1. BUSINESS.

                                     GENERAL

     Union Electric Company (UE,  AmerenUE or the Registrant) is a subsidiary of
Ameren  Corporation  (Ameren),  a holding company which is registered  under the
Public Utility Holding Company Act of 1935. On December 31, 1997, Union Electric
Company (UE) and CIPSCO Incorporated  (CIPSCO) combined with the result that the
common  shareholders of UE and CIPSCO became the common  shareholders of Ameren,
and  Ameren  became  the owner of 100% of the  common  stock of UE and  CIPSCO's
operating  subsidiaries,  Central  Illinois  Public  Service  Company (CIPS) and
CIPSCO Investment Company (the Merger).

     The Registrant,  incorporated in Missouri in 1922, is successor to a number
of companies,  the oldest of which was organized in 1881.  The Registrant is the
largest electric utility in the State of Missouri and supplies  electric service
in  territories  in Missouri and  Illinois  having an  estimated  population  of
2,600,000  within an area of  approximately  24,500 square miles,  including the
greater  St.  Louis  area.  Retail  gas  service  is  supplied  in  90  Missouri
communities and in the City of Alton, Illinois and vicinity.

     For the year 1998,  96% of total  operating  revenues  was derived from the
sale of electric energy and 4% from the sale of natural gas. Electric  operating
revenues as a percentage of total operating  revenues in both 1997 and 1996 were
also 96%.

     The Registrant  employed 4,365 persons at December 31, 1998.  Approximately
76% of such  employees  are  represented  by local  unions  affiliated  with the
AFL-CIO.  Labor agreements covering 97% of the represented employees will expire
in 1999 and labor  agreements  covering  approximately  100 employees  expire in
2000.


                          CAPITAL PROGRAM AND FINANCING

     The  Registrant is engaged in a capital  program  under which  construction
expenditures are expected to approximate $230 million in 1999. For the five-year
period 1999-2003,  construction expenditures are estimated at $1.5 billion. This
estimate includes capital  expenditures which will be incurred by the Registrant
to meet new air quality standards for ozone and particulate matter.

     During the five-year  period ended 1998, gross additions to the property of
the  Registrant,  including  allowance  for funds used during  construction  and
excluding nuclear fuel, were  approximately $1.4 billion (including $208 million
in 1998) and property retirements were $309 million.

     In addition to the funds  required for  construction  during the  1999-2003
period,  $292 million will be required to repay long-term debt as follows:  $117
million in 1999;  $75  million in 2002;  and $100  million in 2003.  Amounts for
years  subsequent to 1999 do not include UE's nuclear fuel lease  payments since
the amounts of such payments are not currently determinable.

     For information on the Registrant's  external cash sources,  see "Liquidity
and Capital  Resources" in  "Management's  Discussion  and Analysis of Financial
Condition and Results of Operations" under Item 7 herein.

     Financing Restrictions.  Under the most restrictive earnings test contained
in UE's Indenture of Mortgage and Deed of Trust (Mortgage) relating to its First
Mortgage  Bonds  (Bonds),  no Bonds may be issued  (except in certain  refunding
operations)  unless UE's net earnings  available for interest after depreciation
for 12 consecutive months within the 15 months preceding such issuance are at

                                       1

<PAGE>

least two  times  annual  interest  charges on all  Bonds and  prior lien  bonds
then  outstanding and to be issued (all calculated as provided in the Mortgage).
Such ratio for the 12 months ended December 31, 1998 was 6.8, which would permit
UE to issue an  additional  $2.9  billion  of Bonds  (8%  annual  interest  rate
assumed). Additionally, the Mortgage permits issuance of new bonds up to (a) 60%
of defined property additions, or (b) the amount of previous bonds retired or to
be retired,  or (c) the amount of cash put up for such purpose.  At December 31,
1998,  the  aggregate  amount  of Bonds  issuable  under  (a) and (b)  above was
approximately $2.3 billion.

     UE's Restated Articles of Incorporation  restrict UE from selling Preferred
Stock unless its net earnings for a period of 12  consecutive  months  within 15
months  preceding  such sale are at least  two and  one-half  times  the  annual
dividend  requirements on its Preferred Stock then outstanding and to be issued.
Such ratio for the 12 months  ended  December  31,  1998 was 36.0,  which  would
permit UE to issue an additional  $1.4 billion  stated value of Preferred  Stock
(8% annual dividend rate assumed).  Certain other financing arrangements require
UE to obtain  prior  consents  to various  actions by UE,  including  any future
borrowings,  except for permitted  financings such as borrowings under revolving
credit  agreements,  the nuclear  fuel lease,  unsecured  short-term  borrowings
(subject to certain conditions), and the issuance of additional Bonds.


                                      RATES

     For the year  1998,  approximately  82%,  7%,  and 11% of the  Registrant's
electric operating revenues were based on rates regulated by the Missouri Public
Service  Commission  (MoPSC),  the Illinois  Commerce  Commission (ICC), and the
Federal Energy  Regulatory  Commission (FERC) of the U. S. Department of Energy,
respectively.

     The electric utility  restructuring  legislation in Illinois  included a 5%
residential  rate decrease for the  Registrant's  Illinois  electric  customers,
effective  August  1,  1998.  This  rate  decrease  reduced  electric   revenues
approximately $1 million in 1998 and is expected to reduce electric  revenues by
approximately $3 million annually thereafter, based on estimated levels of sales
and  assuming  normal  weather  conditions.   See  "Regulation"  for  additional
reference to this legislation.

     The  Registrant  was also  subject to an  electric  rate  decrease  for its
Missouri customers,  effective September 1, 1998. This rate decrease is based on
the  weather-adjusted  average annual credits to customers under an experimental
alternative  regulation  plan that ran from July 1, 1995  through June 30, 1998.
The  Registrant  estimates  that its  Missouri  electric  rate  decrease  should
approximate  $15 million to $20 million on an  annualized  basis.  However,  the
MoPSC staff has proposed adjustments to the Registrant's  estimate.  The staff's
adjustments,  if ultimately accepted,  could increase the Registrant's  proposed
Missouri rate decrease by $15 million to $20 million.

     As permitted by electric utility restructuring  legislation in Illinois, in
1998, the Registrant  filed to eliminate the fuel adjustment  clause on sales of
electricity in Illinois,  thereby  including a historical level of fuel costs in
base rates. The ICC approved the Registrant's filing in April 1998.

     In December 1997, the MoPSC approved a $12 million annual rate increase for
natural gas service in the Registrant's Missouri jurisdiction. The rate increase
became effective in February 1998.

     In June 1998, the Registrant filed a request with the ICC to increase rates
for natural gas service in its Illinois jurisdiction.  In February 1999, the ICC
approved a $1 million annual rate increase.  The rate increase became  effective
in February 1999.

     For  additional  information  on  "Rates",  see  Note  2 to the  "Notes  to
Financial Statements" under Item 8 herein.

                                       2


<PAGE>

<TABLE>
<CAPTION>


                                   FUEL SUPPLY

Cost of Fuels                                                         Year                  
- -------------                       ---------------------------------------------------------------------------
                                      1998           1997             1996           1995           1994
                                      ----           ----             ----           ----           ----
<S>                                <C>             <C>             <C>             <C>            <C>

Per Million BTU  - Coal             100.015(cent)   105.600(cent)   112.250(cent)   117.645(cent)  123.950(cent)
                 - Nuclear           48.803(cent)    47.472(cent)    47.499(cent)    48.592(cent)   49.932(cent)
                 - System            90.378(cent)    92.816(cent)    96.596(cent)   101.590(cent)  101.867(cent)

Per kWh of Steam Generation            .968(cent)      .979(cent)     1.024(cent)     1.068(cent)    1.064(cent)
</TABLE>


     Oil and Gas. The actual and prospective  use of such fuels is minimal,  and
the Registrant has not experienced and does not expect to experience  difficulty
in obtaining adequate supplies.

     Coal.  Because of  uncertainties of supply due to potential work stoppages,
equipment  breakdowns  and  other  factors,  the  Registrant  has  a  policy  of
maintaining a coal inventory consistent with its expected burn practices.

     Nuclear.  The  components  of the nuclear  fuel cycle  required for nuclear
generating  units are as follows:  (1) uranium;  (2)  conversion of uranium into
uranium hexafluoride;  (3) enrichment of uranium hexafluoride; (4) conversion of
enriched  uranium  hexafluoride  into uranium dioxide and the  fabrication  into
nuclear fuel assemblies;  and (5) disposal and/or  reprocessing of spent nuclear
fuel.

     The Registrant has  agreements  and/or  inventories to fulfill its Callaway
Nuclear Plant needs for uranium, enrichment, fabrication and conversion services
through  2002.  Additional  contracts  will have to be entered  into in order to
supply  nuclear fuel during the  remainder  of the life of the Plant,  at prices
which cannot now be accurately  predicted.  The Callaway Plant normally requires
refueling  at 18-month  intervals,  with the next  regular  refueling  presently
scheduled  for the  fall of 1999.  The  Registrant  anticipates  that it will be
necessary  to  perform a special  refueling  at the Plant for about two weeks in
April 1999 to replace  certain  fuel  assemblies.  This  action is  required  to
maintain  the  full  generating  capability  of the  Callaway  Plant  until  the
scheduled fall 1999 refueling.

     Under the Nuclear Waste Policy Act of 1982, the U. S.  Department of Energy
(DOE) is  responsible  for the  permanent  storage and disposal of spent nuclear
fuel. DOE currently  charges one mill per nuclear generated  kilowatt-hour  sold
for future disposal of spent fuel.  Electric rates charged to customers  provide
for recovery of such costs.  DOE is not expected to have its  permanent  storage
facility  for spent fuel  available  until at least  2015.  The  Registrant  has
sufficient  storage  capacity at the Callaway  site until 2004 and is pursuing a
viable storage  alternative.  This  alternative has been approved by the Nuclear
Regulatory Commission, and when implemented,  will provide sufficient spent fuel
storage for the  licensed  life of the plant.  The delayed  availability  of the
DOE's  disposal  facility is not  expected  to  adversely  affect the  continued
operation of Callaway Plant.

     For additional  information on the Registrant's "Fuel Supply", see Notes 11
and 12 to the "Notes to Financial Statements" under Item 8 herein.


                                   REGULATION

     The  Registrant  is subject to regulation  by the  Securities  and Exchange
Commission  and, as a subsidiary of Ameren,  is subject to the provisions of the
Public Utility  Holding  Company Act. The Registrant is subject to regulation by
the  MoPSC  and the ICC as to  rates,  service,  accounts,  issuance  of  equity
securities,  issuance  of debt  having a maturity  of more than  twelve  months,
mergers, and various other matters. The Registrant is also subject to regulation
by the FERC as to rates and  charges  in  connection  with the  transmission  of
electric energy in interstate commerce and the sale of such energy at

                                       3

<PAGE>

wholesale  in   interstate  commerce,  mergers,  and   certain  other   matters.
Authorization  to issue  debt  having  a maturity of  twelve months or  less  is
obtained from the Securities and Exchange Commission.

     In December  1997,  the Governor of Illinois  signed the  Electric  Service
Customer  Choice and Rate  Relief Law of 1997  providing  for  electric  utility
restructuring  in Illinois.  This  legislation  introduces  competition into the
supply of electric  energy in Illinois and, as a result,  retail direct  access,
which allows  customers to choose their electric  generation  supplier,  will be
phased in over several years.  Access for  commercial  and industrial  customers
will occur over a period  from  October  1999 to December  2000,  and access for
residential  customers  will occur after May 1, 2002.  For a  discussion  of the
Illinois  legislation,  as  well  as the  current  status  of  electric  utility
restructuring   in  Missouri,   see   "Electric   Industry   Restructuring"   in
"Management's  Discussion  and  Analysis of Financial  Condition  and Results of
Operations"  under  Item  7  herein  and  Note  2 to  the  "Notes  to  Financial
Statements" under Item 8 herein.

     Operation of the  Callaway  Plant is subject to  regulation  by the Nuclear
Regulatory  Commission.  The  Registrant's  Facility  Operating  License for the
Callaway Plant expires on October 18, 2024. The Registrant's Osage hydroelectric
plant and its Taum Sauk  pumped-storage  hydro plant, as licensed projects under
the Federal  Power Act, are subject to certain  federal  regulations  affecting,
among other things,  the general operation and maintenance of the projects.  The
Registrant's  license for the Osage Plant expires on February 28, 2006,  and its
license  for the Taum Sauk Plant  expires  on June 30,  2010.  The  Registrant's
Keokuk Plant and dam located in the Mississippi River between Hamilton, Illinois
and Keokuk, Iowa, are operated under authority, unlimited in time, granted by an
Act of Congress in 1905.

     UE is regulated,  in certain of its operations,  by air and water pollution
and hazardous waste regulations at the city,  county,  state and federal levels.
The Registrant is in substantial compliance with such existing regulations.

     Environmental   Issues.   See   "Liquidity   and  Capital   Resources"   in
"Management's  Discussion  and  Analysis of Financial  Condition  and Results of
Operations"  under  Item 7  herein  and  Note  11 to  the  "Notes  to  Financial
Statements" under Item 8 herein for a discussion of environmental issues.

     Other aspects of the Registrant's  business are subject to the jurisdiction
of various regulatory  authorities and, for additional information on regulation
see "Electric Industry  Restructuring" in "Management's  Discussion and Analysis
of Financial  Condition and Results of Operations" under Item 7 herein and Notes
2 and 11 to the "Notes to Financial Statements" under Item 8 herein.


                                 INDUSTRY ISSUES

     The  Registrant  is facing  issues  common to the  electric and gas utility
industries  which have  emerged  during the past  several  years.  These  issues
include:  the  potential  for more  intense  competition  and for  changing  the
structure of regulation; changes in the structure of the industry as a result of
changes in federal and state laws; on-going  consideration of additional changes
of the  industry  by  federal  and  state  authorities;  continually  developing
environmental laws,  regulations and issues,  including proposed new air quality
standards;  public  concern  about the siting of new  facilities;  proposals for
demand side management programs;  public concerns about nuclear  decommissioning
and the disposal of nuclear wastes; and global climate issues. The Registrant is
monitoring  these issues and is unable to predict at this time what  impact,  if
any,  these  issues  will  have  on  its  operations,  financial  condition,  or
liquidity.

     For  additional  information  on certain  of these  issues,  see  "Electric
Industry  Restructuring"  in  Management's  Discussion and Analysis of Financial
Condition and Results of  Operations"  under Item 7 herein and Notes 2 and 11 to
the "Notes to Financial Statements" under Item 8 herein.

     Year 2000  Issue.  The Year 2000 Issue  relates to how dates are stored and
used in computer systems,  applications,  and embedded  systems.  As the century
date change occurs,  certain date-sensitive systems need to be able to recognize
the year as 2000 and not as 1900. This inability to recognize and

                                       4

<PAGE>

properly  treat the year as 2000 may cause  these  systems to  process  critical
financial and  operational  information  incorrectly.  For  information  on this
issue,  see "Year  2000  Issue" in  "Management's  Discussion  and  Analysis  of
Financial Condition and Results of Operations" under Item 7 herein.

ITEM 2. PROPERTIES.

     In planning its construction program, the Registrant is presently utilizing
a forecast of  kilowatthour  sales  growth of  approximately  1.7% and peak load
growth of 1.2%, each compounded annually, and is providing for a minimum reserve
margin of approximately 15% to 18% above its anticipated peak load requirements.

     The Registrant is a member of one of the ten regional electric  reliability
councils  organized for  coordinating the planning and operation of the nation's
bulk  power  supply  -  MAIN  (Mid-America   Interconnected  Network)  operating
primarily in  Wisconsin,  Illinois and  Missouri.  The  Registrant's  bulk power
system is operated as an Ameren-wide  control area and transmission system under
the FERC  approved  Joint  Dispatch  Agreement  between UE and CIPS.  Ameren has
interconnections  for transmission  service and the exchange of electric energy,
directly and through the facilities of others, with twenty private utilities and
nine government utilities that operate control areas.

     The  Registrant  owns 40% of the  capital  stock of Electric  Energy,  Inc.
("EEI"), and its affiliate, CIPS, owns 20% of such stock. The balance is held by
two other  sponsoring  companies  --  Kentucky  Utilities  Company  ("KU"),  and
Illinova  Generating  ("IG").  EEI owns and operates a  generating  plant with a
nominal  capacity of 1,000 mW. 60% of the  plant's  output is  committed  to the
Paducah Project of the DOE, 20% to KU, 10% to UE, and 5% each to IG and CIPS.

     As of December 31, 1998, the Registrant owned  approximately  3,300 circuit
miles of electric  transmission  lines. The Registrant also owned 2,800 miles of
gas mains and three  propane-air  gas plants used to  supplement  the  available
pipeline supply of natural gas during periods of abnormally high demands.  Other
properties of the Registrant  include  distribution  lines,  underground  cable,
steam distribution  facilities in Jefferson City, Missouri and office buildings,
warehouses, garages and repair shops.

     UE has fee  title to all  principal  plants  and other  important  units of
property,  or to the real property on which such facilities are located (subject
to mortgage liens  securing  outstanding  indebtedness  of the Registrant and to
permitted liens and judgment  liens,  as defined),  except that (i) a portion of
the Osage Plant reservoir, certain facilities at the Sioux Plant, certain of the
Registrant's substations and most of its transmission and distribution lines and
gas mains are situated on lands  occupied under leases,  easements,  franchises,
licenses or permits; (ii) the United States and/or the State of Missouri own, or
have or may have,  paramount  rights to  certain  lands  lying in the bed of the
Osage  River  or  located  between  the  inner  and  outer  harbor  lines of the
Mississippi  River,  on which  certain  generating  and other  properties of the
Registrant  are located;  and (iii) the United  States  and/or State of Illinois
and/or  State of Iowa  and/or  City of  Keokuk,  Iowa own,  or have or may have,
paramount  rights  with  respect  to,  certain  lands  lying  in the  bed of the
Mississippi River on which a portion of the Company's Keokuk Plant is located.

     Substantially all of UE's property and plant is subject to the direct first
lien of an  Indenture  of  Mortgage  and Deed of Trust dated June 15,  1937,  as
amended and supplemented.

                                       5

<PAGE>

     The following table sets forth information with respect to the Registrant's
generating facilities and capability at the time of the expected 1999 peak.

<TABLE>
<CAPTION>
                                                                  Gross Kilowatt
      Energy                                                         Installed
      Source        Plant               Location                    Capability   
      ------        -----               --------                    ----------
    <S>         <C>             <C>                                <C>
 
     Coal        Labadie         Franklin County, MO                2,400,000
                 Rush Island     Jefferson County, MO               1,224,000
                 Sioux           St. Charles County, MO             1,006,000
                 Meramec         St. Louis County, MO                 925,000
                                                                    ----------

                                            Total Coal              5,555,000

      Nuclear    Callaway        Callaway County, MO                1,196,000

      Hydro      Osage           Lakeside, MO                         212,000
                 Keokuk          Keokuk, IA                           126,000
                                                                  ------------

                                            Total Hydro               338,000

      Oil and    Venice          Venice, IL                           442,000
      Natural    Other           Various                              381,000
      Gas                                                         ------------
                                            Total Oil and
                                              Natural Gas             823,000
      Pumped-
      storage    Taum Sauk       Reynolds County, MO                  440,000
                                                                  ------------

                                                  TOTAL             8,352,000

</TABLE>

ITEM 3. LEGAL PROCEEDINGS.

     The Registrant is involved in legal and  administrative  proceedings before
various  courts and  agencies  with  respect to matters  arising in the ordinary
course  of  business,  some of which  involve  substantial  amounts.  Management
believes  that  the  final  disposition  of  these  proceedings  will not have a
material  adverse  effect on its  financial  position,  results of operations or
liquidity.

     For additional  information on legal and  administrative  proceedings,  see
"Rates"  under  Item 1 herein  and  Notes 2 and 11 to the  "Notes  to  Financial
Statements" under Item 8 herein.

                         __________________________


     Statements made in this report which are not based on historical facts, are
forward-looking  and,  accordingly,  involve risks and uncertainties  that could
cause actual results to differ  materially from those  discussed.  Although such
forward-looking  statements  have  been  made in good  faith  and are  based  on
reasonable assumptions,  there is no assurance that the expected results will be
achieved.  These statements include (without limitation) statements as to future
expectations,  beliefs, plans, strategies,  objectives,  events,  conditions and
financial  performance  and the Year 2000 Issue.  In  connection  with the "Safe
Harbor" provisions of the Private Securities  Litigation Reform Act of 1995, the
Registrant is providing this cautionary  statement to identify important factors
that could cause actual  results to differ  materially  from those  anticipated.
Factors  include,  but are not limited to, the effects of:  regulatory  actions;
changes  in laws and other  governmental  actions;  competition;  future  market
prices for fuel and

                                       6

<PAGE>

purchased power,  electricity,  and natural gas,  including the use of financial
instruments; average rates for electricity in the Midwest; business and economic
conditions;  interest rates;  weather conditions;  fuel prices and availability;
generation plant  performance;  monetary and fiscal  policies;  future wages and
employee benefits costs; and legal and administrative proceedings.

<TABLE>
<CAPTION>

INFORMATION REGARDING EXECUTIVE OFFICERS REQUIRED BY ITEM 401(b) OF REGULATION S-K:

                            Age At                                           Date First Elected
         Name              12/31/98        Present Position                      or Appointed
         ----              --------        ----------------                      ------------
<S>                           <C>         <C>                                       <C>

Charles W. Mueller             60          President,                                  7/1/93
                                           Chief Executive Officer                     1/1/94
                                           and Director                               6/11/93
Donald E. Brandt               44          Senior Vice President                       7/1/88
                                           and Director                               4/28/98
Charles J. Schukai             64          Senior Vice President                       7/1/88
                                           and Director                               4/28/98
Warner L. Baxter               37          Vice President                              5/1/98
                                           and Controller                              8/1/96
William J. Carr                61          Vice President                             10/1/88
Michael J. Montana             52          Vice President                              7/1/88
Garry L. Randolph              50          Vice President                              3/1/91
Robert J. Schukai              60          Vice President                              7/1/88
William C. Shores              60          Vice President                              7/1/88
Steven R. Sullivan             38          Vice President, General Counsel             7/1/98
                                           and Secretary                               9/1/98
Jerre E. Birdsong              44          Treasurer                                   7/1/93

</TABLE>

     All officers  are elected or  appointed  annually by the Board of Directors
following the election of such Board at the annual meeting of stockholders  held
in April. There are no family relationships between the foregoing officers of UE
except that Charles J. Schukai and Robert J.  Schukai are  brothers.  Except for
Messrs. Baxter and Sullivan, each of the above-named executive officers has been
employed by the  Registrant  for more than five years in executive or management
positions. Mr. Baxter was previously employed by PricewaterhouseCoopers LLP. Mr.
Sullivan was previously employed by Anheuser Busch Companies, Inc.





                                     PART II

ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY AND RELATED STOCKHOLDER MATTERS.

     There is no market for the  Registrant's  Common Stock since all shares are
owned by its parent, Ameren.

                                       7


<PAGE>

<TABLE>
<CAPTION>

ITEM    6.    SELECTED FINANCIAL DATA.

For the Years Ended
December 31 (In Thousands)                  1998           1997          1996            1995          1994
- -------------------------                   ----           ----          ----            ----          ----
<S>                                     <C>            <C>            <C>           <C>            <C>
Operating revenues                       $2,382,071     $2,287,333     $2,260,364    $2,242,364     $2,223,938
Operating income                            428,183        448,827        428,314       441,896        450,186
Net income                                  320,070        301,655        304,876       314,107        320,757
Preferred stock dividends                     8,817          8,817         13,249        13,250         13,252
Net income after preferred
  stock dividends                           311,253        292,838        291,627       300,857        307,505
Common stock dividends                      259,599        259,395        256,331       250,714        244,586

As of December 31,

Total assets                             $6,829,864     $6,802,285     $6,870,809    $6,754,469     $6,624,701
Long-term debt                            1,674,311      1,846,482      1,798,671     1,763,613      1,823,489
Total common stockholder's equity         2,424,125      2,387,454      2,354,801     2,319,197      2,269,054
</TABLE>


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

OVERVIEW

Union Electric  Company  (AmerenUE or the  Registrant) is a subsidiary of Ameren
Corporation  (Ameren),  a holding  company  registered  under the Public Utility
Holding  Company Act of 1935  (PUHCA).  In December  1997,  AmerenUE  and CIPSCO
Incorporated  (CIPSCO)  combined to form  Ameren,  with  AmerenUE  and  CIPSCO's
subsidiaries,  Central  Illinois Public Service Company  (AmerenCIPS) and CIPSCO
Investment  Company (CIC),  becoming  wholly-owned  subsidiaries  of Ameren (the
Merger).

RESULTS OF OPERATIONS

Earnings
Earnings for 1998,  1997,  and 1996 were $311 million,  $293  million,  and $292
million,  respectively.  Earnings fluctuated due to many conditions,  primarily:
weather variations, electric rate reductions, competitive market forces, credits
to electric  customers,  sales growth,  fluctuating  operating costs  (including
Callaway Nuclear Plant refueling outages),  merger-related expenses,  changes in
interest expense,  changes in income and property taxes, a charge for a targeted
employee separation plan in 1998 and an extraordinary charge in 1997.

In 1998, the Registrant recorded a nonrecurring charge to earnings in connection
with a targeted separation plan it offered to employees in July 1998. The charge
reduced  earnings  $11  million,  net of income  taxes  (see  Note 3 -  Targeted
Separation Plan under Notes to Financial Statements for further information). In
addition,  the Registrant  recorded an  extraordinary  charge to earnings in the
fourth quarter of 1997 for the write-off of generation-related regulatory assets
and  liabilities of the  Registrant's  Illinois  retail  electric  business as a
result of electric  industry  restructuring  legislation  enacted in Illinois in
December 1997. The write-off  reduced earnings $27 million,  net of income taxes
(see Note 2 - Regulatory Matters under Notes to Financial Statements for further
information.)

The significant  items affecting  revenues,  expenses and earnings for the years
ended December 31, 1998, 1997, and 1996 are detailed in the following pages.

<TABLE>
<CAPTION>

Electric Operations
Electric Revenues                          Variations from Prior Year
- --------------------------------------------  -------- -------- --------
(Millions of Dollars)                           1998     1997     1996
- --------------------------------------------  -------- -------- --------
<S>                                           <C>      <C>      <C>   
Rate variations                                $  (8)   $  --    $ (20)
Credit to customers                              (24)      28      (15)
Effect of abnormal weather                        48        4      (63)
Growth and other                                  48        1       96
Interchange sales                                 38       (5)       9
- --------------------------------------------   ------   ------   ------
                                               $ 102    $  28    $   7
- --------------------------------------------  -------- -------- -------
</TABLE>

                                       8

<PAGE>

Electric  revenues for 1998  increased $102 million  compared to 1997.  Revenues
increased  primarily  due  to  higher  sales  to  retail  customers  within  the
Registrant's service territory, as a result of warm summer weather and growth in
the service area, and increased interchange revenues, primarily due to favorable
market conditions.  These increases were partially offset by a rate decrease and
an increase in estimated credits to Missouri electric customers, as well as a 5%
rate decrease for Illinois electric  customers (see Note 2 - Regulatory  Matters
under Notes to Financial Statements for further information).  Weather-sensitive
residential  and  commercial  sales  increased  6% and 4%,  respectively,  while
industrial  sales  grew 1%.  Interchange  sales  increased  7%,  primarily  from
AmerenCIPS.  Upon  consummation  of the Merger,  AmerenUE and  AmerenCIPS  began
jointly  dispatching  generation,  therefore allowing Ameren to utilize the most
cost efficient  plants of both operating  companies to serve customers in either
service territory.

The increase in 1997 electric  revenues was  primarily  due to a lower  Missouri
customer credit recorded in 1997.  Kilowatthour sales in 1997 remained unchanged
compared  to the same  period in 1996.  Residential  sales  remained  flat while
interchange sales decreased 5%.  Commercial and industrial  sales were 1% and 3%
higher, respectively.

The increase in 1996 electric  revenues was due to a 4% increase in kilowatthour
sales over the  year-ago  period,  partly  offset by the 1.8% rate  decrease for
Missouri  electric  customers and the net increase in customer  credits recorded
during 1996 versus  1995.  The  kilowatthour  sales  increase  reflected  strong
economic  growth in  AmerenUE's  service area and  increased  interchange  sales
opportunities, partially offset by milder weather during the period. Residential
and commercial  sales each rose 3% over 1995, while industrial sales grew 2% and
interchange sales increased 7%.

<TABLE>
<CAPTION>

Fuel and Purchased Power                      Variations from Prior Year
- ------------------------------------------------------------------------
(Millions of Dollars)                           1998    1997    1996
- ------------------------------------------------------------------------
<S>                                            <C>     <C>     <C>
Fuel:
    Variation in generation                     $ 24    $ 17    $ 15
    Price                                        (10)    (15)    (18)
    Generation efficiencies and other              5      (1)      3
Purchased power variation                         11     (14)      8
- ------------------------------------------------------------------------
                                                $ 30    $(13)   $  8
- ------------------------------------------------------------------------

</TABLE>

The $30 million increase in fuel and purchased power costs for 1998, compared to
1997, was primarily  driven by increased  generation due to higher sales volume,
joint dispatch,  and higher  purchased power prices,  partially  offset by lower
fuel prices.  Fuel and purchased  power costs decreased in 1997 primarily due to
reduced purchased power costs,  resulting from relatively flat native load sales
coupled with greater  generation,  as well as lower fuel prices. The increase in
1996 fuel and  purchased  power costs was driven  mainly by higher  kilowatthour
sales, partially offset by lower fuel prices.

While  unprecedented  prices for power  purchases  occurred  in the  marketplace
during the last week of June 1998, the Registrant was able to effectively manage
its power costs in the face of soaring wholesale  electricity  prices.  Overall,
the abnormally  high prices for power purchases in June had little impact on the
Registrant's financial results for 1998.

Gas Operations
Gas revenues in 1998 decreased $7 million compared to 1997,  primarily due to an
8% decline in retail  sales  resulting  from mild  winter  weather and lower gas
costs   reflected   in  the   Company's   purchased   gas   adjustment   clause.
Weather-sensitive  residential  and  commercial  sales  decreased  10%  and  6%,
respectively,  and industrial  sales declined 2%. These decreases were partially
offset  by  benefits  realized  from an annual  $12  million  Missouri  gas rate
increase effective February 1998 (see Note 2 - Regulatory Matters under Notes to
Financial  Statements  for  further  information).  Gas  revenues  in 1997  were
relatively  flat  compared  to  1996.  The  increase  in 1996 gas  revenues  was
primarily  due to higher sales.  Weather-sensitive  residential  and  commercial
sales increased 7% and 9%,  respectively,  while  industrial  sales declined 15%
compared to the prior year.

Gas costs in 1998 declined $14 million compared to 1997,  primarily due to lower
sales and lower gas  prices.  Gas costs for 1997  remained  flat as  compared to
those of 1996. In 1996, gas costs  increased $13 million  primarily due to a 26%
rise in natural gas purchased for resale (due to higher sales and gas prices).

                                       9

<PAGE>

Other Operating Expenses
Other  operations  expense  variations in 1996 through 1998 reflected  recurring
factors such as growth,  inflation, and labor and benefit increases, in addition
to a charge for the targeted separation plan (TSP) as discussed below.

In March 1998,  Ameren  announced plans to reduce its other operating  expenses,
including plans to eliminate  approximately  400 employee  positions by mid-1999
through a hiring  freeze and the TSP. In July 1998,  Ameren  offered  separation
packages to employees  whose  positions  were to be eliminated  through the TSP.
During  the third  quarter of 1998,  the  Registrant  recorded  a  nonrecurring,
pre-tax charge of $18 million (which reduced earnings $11 million)  representing
its share of costs  incurred to  implement  the TSP.  The  elimination  of these
positions,  exclusive  of the  nonrecurring  charge,  reduced  the  Registrant's
operating expenses approximately $11 million in 1998, and the Registrant expects
operating  expenses  to be reduced  approximately  $14  million  to $18  million
annually  thereafter.  See Note 3 -  Targeted  Separation  Plan  under  Notes to
Financial Statements for further information.

The $57 million increase in other operations expenses in 1998, compared to 1997,
was  primarily  due to the  charge for the TSP and  increases  in  injuries  and
damages expense and information  system-related costs. In 1997, other operations
expense   increased  $26  million   primarily   due  to  increased   information
system-related expenses. In 1996, other operations expense increased $11 million
primarily  due  to  increased  employee  benefits,   injuries  and  damages  and
information system-related costs.

Maintenance  expenses increased $5 million in 1998, compared to 1997, due to the
scheduled  spring  refueling  outage at the Callaway  Nuclear  Plant;  partially
offset by less scheduled fossil plant maintenance. The spring 1998 refueling was
completed  in 31  days.  There  was  no  refueling  outage  in  1997.  In  1997,
maintenance  expenses  decreased  $6  million,  primarily  a result  of  reduced
Callaway Plant expenses due to the absence of a refueling outage in 1997, offset
in part by increased  scheduled fossil plant maintenance.  In 1996,  maintenance
expenses  increased  $2 million  primarily  due to increased  labor  expenses at
Callaway Plant and fossil plants.

Depreciation and amortization expense increased $12 million in 1998, compared to
1997,  primarily due to increased  depreciable  property and amortization of the
Missouri  portion of  merger-related  costs which were  recorded as a regulatory
asset upon Merger  close under the  conditions  of the Missouri  Public  Service
Commission  (MoPSC) order approving the Merger.  Depreciation  and  amortization
expense  increased  $7 million in 1997 and $8 million in 1996,  due to increased
depreciable property.

Taxes
Income tax expense from  operations  increased $25 million in 1998,  compared to
1997, due to higher pre-tax income and a higher  effective tax rate.  Income tax
expense from  operations  decreased $5 million in 1997  primarily due to a lower
effective tax rate. Income tax expense from operations  decreased $12 million in
1996 principally due to lower pre-tax income.

Other Income and Deductions
Miscellaneous,  net  increased  $4 million for 1998,  compared  to 1997,  due to
increased interest income and gains on the sale of property.  Miscellaneous, net
increased $12 million for 1997,  primarily due to the  capitalization of certain
merger-related costs in 1997. Miscellaneous,  net increased $2 million for 1996,
primarily due to reduced merger-related expenses.

Interest
Interest expense  decreased $9 million for 1998,  compared to 1997, due to lower
interest  rates and a  decrease  in other  interest  expense.  Interest  expense
increased $6 million for 1997  primarily due to higher debt  outstanding  during
the year at higher interest rates. In 1996, interest expense declined $2 million
primarily  due to lower  debt  outstanding  during  the year and lower  rates on
variable-rate long-term debt.

Balance Sheet
The $36 million decrease in accounts  receivable at December 31, 1998,  compared
to 1997,  was due to lower sales and  revenues in  November  and early  December
1998,  compared  to the  comparable  time  period  in 1997,  due to mild  winter
weather. The Registrant's  service territory  experienced much colder weather in
the latter part of December 1998, resulting in higher sales and revenues at that
time compared to the comparable 1997 period. This increase in sales caused a $26
million increase in unbilled revenues.

LIQUIDITY AND CAPITAL RESOURCES

Cash provided by operating activities totaled $651 million for 1998, compared to
$602 million and $605 million in 1997 and 1996, respectively.

                                       10

<PAGE>

Cash flows used in investing activities totaled $231 million,  $284 million, and
$363 million for the years ended December 31, 1998, 1997 and 1996, respectively.
Expenditures in 1998 for constructing new or to improve existing  facilities and
purchasing  rail cars were $222  million.  In  addition,  the Company  spent $20
million to acquire nuclear fuel.

Construction  expenditures are expected to approximate $230 million in 1999. For
the five-year period 1999-2003,  construction expenditures are estimated at $1.5
billion.  This estimate  includes capital  expenditures that will be incurred by
the  Registrant  to meet new air  quality  standards  for ozone and  particulate
matter, as discussed below.

Under  Title IV of the Clean  Air Act  Amendments  of 1990,  the  Registrant  is
required to significantly  reduce total annual sulfur dioxide (SO2) and nitrogen
oxide (NOx) emissions by the year 2000. By switching to low-sulfur  coal,  early
banking of  emissions  credits and  installing  low NOx burner  technology,  the
majority of these reductions have been achieved.

In July 1997,  the United States  Environmental  Protection  Agency (EPA) issued
final regulations  revising the National Ambient Air Quality Standards for ozone
and  particulate  matter.  The new ambient  standards may result in  significant
additional  reductions  in SO2 and NOx  emissions  from the  Registrant's  power
plants. The new particulate matter standards may require SO2 reductions of up to
50% beyond that already required by Phase II acid rain control provisions of the
1990 Clean Air Act Amendments and could be required by 2007. The full details of
these  requirements  are  under  study  by the  Registrant.  At this  time,  the
Registrant in unable to predict the ultimate impact of these revised air quality
standards on its future financial condition, results of operations or liquidity.

In an attempt to lower ozone levels across the eastern  United  States,  the EPA
issued  final  regulations  in  September  1998 to  reduce  NOx  emissions  from
coal-fired boilers and other sources in 22 states, including Missouri (where all
of the  Registrant's  coal-fired  power  plant  boilers are  located).  Although
reduction requirements in NOx emissions from the Registrant's coal-fired boilers
are  anticipated  to exceed 75 percent from 1990 levels by the year 2003,  it is
not yet possible to determine  the exact  magnitude of the  reductions  required
from the  Registrant's  power  plants  because  each state has up to one year to
develop a plan to comply with the EPA rule. The NOx emissions reductions already
achieved on several of the  Registrant's  coal-fired  power  plants will help to
reduce  the costs of  compliance  with  this  regulation.  However,  preliminary
analysis  of  the  regulations   indicate  that  selective  catalytic  reduction
technology will be required for some of the Registrant's units, as well as other
additional controls.

Currently,  the Registrant estimates that its additional capital expenditures to
comply with the EPA's final  regulations  issued in September 1998,  could range
from $125 million to $175 million over the period from 1999 to 2002.  Associated
operations and maintenance  expenditures could increase $5 million to $8 million
annually,  beginning in 2003. The Registrant will explore alternatives to comply
with these new  regulations in order to minimize,  to the extent  possible,  its
capital costs and operating  expenses.  The  Registrant is unable to predict the
ultimate impact of these standards on its future financial condition, results of
operations or liquidity.

In November  1998,  the United  States signed an agreement  with numerous  other
countries (the Kyoto  Protocol)  containing  certain  environmental  provisions,
which would require  decreases in  greenhouse  gases in an effort to address the
"global warming" issue. The Kyoto Protocol must be ratified by the United States
Senate before provisions are effective for the United States. Until ratification
is obtained, the Registrant is unable to predict what requirements, if any, will
be adopted in this country; however, implementation of the Kyoto Protocol in its
present form would  likely  result in  significantly  higher  capital  costs and
operations  and  maintenance  expenses  by the  Registrant.  At this  time,  the
Registrant  is  unable  to  determine  the  impact  of  these  proposals  on the
Registrant's future financial condition, results of operations or liquidity.

In April 1999, the Registrant anticipates that it will be necessary to perform a
special  refueling at the Callaway  Nuclear Plant for about two weeks to replace
certain  fuel  assemblies.  This  refueling  is required  to  maintain  the full
generating  capability  of the  Callaway  Plant  until the  scheduled  fall 1999
refueling,  and  is not  expected  to  have a  material  adverse  effect  on the
Registrant's financial condition,  results of operation and liquidity.  See Note
12 - Callaway Nuclear Plant under Notes to Financial Statements for a discussion
of Callaway Plant decommissioning costs.

Cash flows used in financing  activities were $376 million for 1998, compared to
$320 million and $238 million for 1997 and 1996, respectively.  The Registrant's
principal  financing  activities  during 1998  included the  redemption  of $195
million of long-term  debt, the issuance of $160 million of long-term  debt, and
the payment of dividends.

                                       11

<PAGE>

The Registrant  plans to continue  utilizing  short-term  debt to support normal
operations and other temporary requirements. The Registrant is authorized by the
Securities and Exchange  Commission (SEC) to have up to $1 billion of short-term
unsecured debt instruments  outstanding at any one time.  Short-term  borrowings
consist  of  bank  loans  (maturities  generally  on  an  overnight  basis)  and
commercial  paper  (maturities  generally within 10 to 45 days). At December 31,
1998, the Registrant had committed bank lines of credit aggregating $137 million
(all of which were unused at such date) which make available  interim  financing
at various rates of interest  based on LIBOR,  the bank  certificate  of deposit
rate or other  options.  The lines of credit are  renewable  annually at various
dates  throughout  the year.  At year-end,  the  Registrant  had no  outstanding
short-term borrowings.

The  Registrant  also has a bank credit  agreement  due 2000,  which permits the
borrowing  of up to $300 million on a long-term  basis,  all of which was unused
and available at December 31, 1998. Also, Ameren has a bank credit agreement due
2003,  which permits the  borrowing of up to $200 million on a long-term  basis.
This credit agreement is available to Ameren and its subsidiaries, including the
Registrant.  As of  December  31,  1998,  $190  million  was  available  for the
Registrant's use.

Additionally,  the  Registrant  has a  lease  agreement  that  provides  for the
financing of nuclear fuel. At December 31, 1998,  the maximum  amount that could
be financed  under the agreement  was $120  million.  Cash used in financing for
1998 included redemptions under the lease for nuclear fuel of $68 million offset
in part by $16 million of  issuances.  At  December  31,  1998,  $67 million was
financed  under  the  lease.  See Note 5 - Nuclear  Fuel  Lease  under  Notes to
Financial Statements for further information.

RATE MATTERS

See Note 2 -  Regulatory  Matters  under  Notes to  Financial  Statements  for a
discussion of rate matters.

ELECTRIC INDUSTRY RESTRUCTURING

Changes enacted and being considered at the federal and state levels continue to
change the structure of the electric industry and utility regulation, as well as
encourage increased competition.  At the federal level, the Energy Policy Act of
1992 reduced various  restrictions on the operation and ownership of independent
power  producers and gave the Federal Energy  Regulatory  Commission  (FERC) the
authority to order electric  utilities to provide  transmission  access to third
parties.

In April  1996,  the FERC  issued  Order 888 and Order 889 that are  intended to
promote  competition  in  the  wholesale  electric  market.  The  FERC  requires
transmission-owning  public  utilities,  such  as  the  Registrant,  to  provide
transmission  access and service to others in a manner similar and comparable to
that which the utilities have by virtue of ownership.  Order 888 requires that a
single tariff be used by the utility in providing  transmission  service.  Order
888 also provides for the recovery of stranded costs, under certain  conditions,
related to the wholesale business.

Order 889 established the standards of conduct and information requirements that
transmission owners must adhere to in doing business under the open access rule.
Under Order 889, utilities must obtain transmission service for their own use in
the same manner their  customers will obtain  service,  thus  mitigating  market
power through control of transmission facilities.  In addition, under Order 889,
utilities must separate their merchant  function  (buying and selling  wholesale
power) from their transmission and reliability functions.

The  Registrant  believes  that  Order 888 and Order  889,  which  relate to its
wholesale  business,  will not have a material  adverse  effect on its financial
condition, results of operations or liquidity.

In 1998,  the  Registrant  joined a group of ten other utility  companies  which
support the formation of the Midwest  Independent System Operator (Midwest ISO).
An ISO operates,  but does not own,  transmission  systems and maintains  system
reliability and security while  alleviating  pricing issues  associated with the
"pancaking"  of rates.  The Midwest  ISO would be  regulated  by FERC.  The FERC
conditionally  approved the formation of the Midwest ISO in September  1998, and
it is expected to be operational by the year 2001. The  Registrant's  membership
in the Midwest ISO must be approved by the Missouri  Public  Service  Commission
(MoPSC).  The Midwest ISO covers eight states and represents  portions of 40,000
miles of transmission line and 62,000 megawatts of electric power. Collectively,
the member companies serve more than seven million customers.

In  addition,   certain  states  are  considering   proposals  or  have  adopted
legislation that will promote competition at the retail level. In December 1997,
the Governor of Illinois  signed the Electric  Service  Customer Choice and Rate

                                       12

<PAGE>

Relief Law of 1997 (the Law)  providing for electric  utility  restructuring  in
Illinois.  This legislation  introduces  competition into the supply of electric
energy in Illinois.

Major provisions of the Law include the phasing-in through 2002 of retail direct
access, which allows customers to choose their electric generation supplier.  In
addition,  the Law includes a 5% rate decrease for  residential  customers  that
became  effective in August  1998.  The decrease  reduced  electric  revenues by
approximately $1 million in 1998 and is expected to reduce electric  revenues by
approximately $3 million annually thereafter, based on estimated levels of sales
and assuming normal weather conditions.  In 1998, the Registrant  eliminated its
Uniform Fuel Adjustment Clause (FAC) as allowed by the Law, which the Registrant
expects  to  benefit  shareholders  in the  future.  (See  Note 1 -  Summary  of
Significant  Accounting Policies under Notes to Financial Statements for further
information.) The Law contains a provision  allowing for the potential  recovery
of a portion of  strandable  costs,  which  represent  costs  which would not be
recoverable in a restructured environment, through a transition charge collected
from customers who choose an alternate electric supplier.  In addition,  the Law
contains a provision  requiring a portion of excess  earnings (as defined  under
the Law) for the years 1998 through 2004 to be refunded to customers. See Note 2
- -  Regulatory   Matters  under  Notes  to  Financial   Statements   for  further
information.

In  December  1997,  after  evaluating  the  impact of the Law,  the  Registrant
determined that it was necessary to write-off the generation-related  regulatory
assets  and  liabilities  of  its  Illinois  retail  electric   business.   This
extraordinary charge reduced 1997 earnings $27 million, net of income taxes. The
Registrant has also concluded that its remaining net  generation-related  assets
are not impaired for financial  reporting  purposes and that no plant writedowns
are  necessary  at this time.  See Note 2 -  Regulatory  Matters  under Notes to
Financial Statements for further information.

In Missouri,  where  approximately 92% of the Company's retail electric revenues
are derived, a task force appointed by the MoPSC investigated  electric industry
restructuring  and  competition.  In 1998 the task force  issued a report to the
MoPSC that addressed  many of the  restructuring  issues,  but did not provide a
specific recommendation or approach to restructure the industry. In addition, in
1998,  the MoPSC  staff  issued a  proposed  plan for  restructuring  Missouri's
electric  industry.  The staff's plan addressed a number of issues of concern if
the industry is restructured  in Missouri.  It also included a proposal for less
than full recovery of strandable  costs. The staff's plan has not been addressed
by the MoPSC. A joint legislative committee is also conducting hearings on these
issues.  The  Registrant is unable to predict the timing or ultimate  outcome of
electric industry restructuring in the state of Missouri.

In  summary,  the  potential  negative  consequences  associated  with  electric
industry restructuring could be significant and could include the impairment and
writedown  of  certain  assets,  including   generation-related  plant  and  net
regulatory assets, lower revenues, reduced profit margins and increased costs of
capital and  operations  expense.  The  Registrant  is actively  taking steps to
mitigate these negative  consequences.  Most  importantly,  the Registrant  will
continue to focus on cost control to ensure that it maintains a competitive cost
structure. Also, in Illinois, the Registrant's actions include strengthening its
marketing operations to maintain its current customers and obtain new customers,
as well as enhancing its  information  systems.  In Missouri,  the Registrant is
actively involved in all major deliberations  taking place surrounding  electric
industry restructuring in an effort to ensure that restructuring legislation, if
any, contains an orderly  transition and is equitable to the  shareholders.  The
Registrant is also actively  involved in shaping the policies of the Midwest ISO
to protect  shareholders'  interests.  At this time, the Registrant is unable to
predict  the  ultimate  impact  of  electric   industry   restructuring  on  the
Registrant's future financial condition, results of operations or liquidity.

YEAR 2000 ISSUE

The Year  2000  Issue  relates  to how  dates are  stored  and used in  computer
systems,  applications, and embedded systems. As the century date change occurs,
certain date-sensitive systems need to be able to recognize the year as 2000 and
not as 1900. This inability to recognize and properly treat the year as 2000 may
cause these systems to process  critical  financial and operational  information
incorrectly.   The  Registrant's  primary  concern  is  the  potential  for  any
interruption in providing electric and gas service to customers,  as well as the
potential inability to process critical financial and operational information on
a timely basis,  including  billing its customers,  if appropriate steps are not
taken to address this issue.  Management  has  developed a Year 2000 plan (Plan)
covering Ameren,  including  AmerenUE,  and Ameren's Board of Directors has been
briefed about the Year 2000 Issue and how it may affect the Registrant.

Ameren's Plan to resolve the Year 2000 Issue involves three phases:  assessment,
planning, and implementation/testing.  Implementation  of the  Plan is  directly
supervised  by each  area's responsible  Vice  President.  A Year  2000  Project
Director  coordinates  the implementation of the Plan among functional teams who
are  addressing  issues specific  to a  particular  area,  such  as nuclear  and
non-nuclear generation facilities, energy management systems, gas

                                       13

<PAGE>

distribution, etc.   Ameren  has  also  engaged  certain  outside   consultants,
technicians and other  external resources to aid in formulating and implementing
the Plan.

Ameren  has  completed  its   assessment   phase,   which   included   analyzing
date-sensitive  electronic hardware,  software applications and embedded systems
and has developed a compliance plan to address issues that were identified. Many
of the major  corporate  computer  systems  at  Ameren  are  relatively  new and
therefore are either Year 2000  compliant or only require  minor  modifications.
Also,   several  of  the  operating   hardware  and  embedded   systems   (i.e.,
microprocessor  chips) use analog  rather than digital  technology  and thus are
unaffected  by the  two-digit  date issue.  In  addition,  Ameren has  contacted
hundreds of vendors and suppliers to verify compliance.

Ameren has also completed its planning  phase.  Items that have been  identified
for remediation have been prioritized into groups based on their significance to
Ameren's    operations.    The    implementation/testing     phase    for    all
components/applications  is approximately  45% complete as of December 31, 1998.
Ameren    expects    to    complete     remediation    of    its     significant
components/applications by the end of the third quarter 1999.

With  respect  to  third  parties,   for  areas  that  interface  directly  with
significant  vendors,  Ameren has inventoried vendors and major suppliers and is
currently  assessing  their Year 2000 readiness  through  surveys,  websites and
personal contact. Ameren plans to follow up with major suppliers and vendors and
verify Year 2000  compliance,  where  appropriate.  Ameren has also  queried its
health insurance  providers.  To date,  Ameren is not aware of any problems that
would  materially  impact its  financial  condition,  results of  operations  or
liquidity;  however, neither Ameren nor the Registrant has the means of ensuring
that these parties will be Year 2000  compliant.  The inability of those parties
to complete their Year 2000 resolution  process could  materially  impact Ameren
and the Registrant.

Ameren is also  addressing  the impact of electric  power grid problems that may
occur outside of its own electric system.  Ameren has started Year 2000 electric
power grid impact planning through the system's various electric interconnection
affiliations and is working with the Mid-American  Interchange Network (MAIN) to
begin planning Year 2000 operational  preparedness and restoration scenarios. As
of January 31, 1999 (the latest  information  available),  MAIN was 99% complete
with its assessment phase, 94% complete with its planning phase and 53% complete
with its  implementation/testing  phase. In addition,  Ameren  provides  monthly
status  reports to the North  American  Electric  Reliability  Council (NERC) to
assist them in assessing Year 2000  readiness of the regional  electric grid. As
of January 31, 1999 (the latest  information  available),  NERC was 98% complete
with its assessment phase, 90% complete with its planning phase and 57% complete
with its  implementation/testing  phase.  Through the  Electric  Power  Research
Institute (EPRI), an industry-wide effort has been established to deal with Year
2000  problems  affecting  digital  systems and  equipment  used by the nation's
electric power companies. Under this effort, participating utilities are working
together  to assess  specific  vendors'  system  problems  and test  plans.  The
assessment  will be shared by the  industry as a whole to  facilitate  Year 2000
problem solving.

In addressing  the Year 2000 Issue,  Ameren will incur  internal  labor costs as
well as external  consulting  and other expenses to prepare for the new century.
Ameren estimates that its external costs (consulting fees and related costs) for
addressing the Year 2000 Issue will range from $10 million to $15 million. As of
December 31, 1998,  Ameren has expended  approximately  $2.4  million.  Ameren's
plans to  complete  Year  2000  modifications  are  based on  management's  best
estimates,  which are derived  utilizing  numerous  assumptions of future events
including the continued  availability of certain  resources,  and other factors.
However,  there can be no guarantee  that these  estimates  will be achieved and
actual results could differ  materially from those plans.  Specific factors that
might  cause such  material  differences  include,  but are not  limited to, the
availability  and cost of personnel  trained in this area, the ability to locate
and correct all relevant computer codes, and similar uncertainties.

Ameren  believes  that,  with  appropriate  modifications  to existing  computer
systems/components,  updates by vendors and trading partners,  and conversion to
new  software and  hardware in the  ordinary  course of business,  the Year 2000
Issue  will  not  pose  significant  operational  problems  for the  Registrant.
However,  if such conversions are not completed in a proper and timely manner by
all  affected  parties,  the Year 2000 Issue could  result in  material  adverse
operational and financial  consequences  to the Registrant,  and there can be no
assurance  that  Ameren's  efforts,  or those of vendors and  trading  partners,
interconnection  affiliates, NERC or EPRI to address the Year 2000 Issue will be
successful.  Ameren is in the process of developing contingency plans to address
potential risks, including risks of vendor/trading  partners  noncompliance,  as
well as noncompliance of any of the Registrant's material operating systems. The
first  operational  contingency plan addressing power grid issues is expected to
be completed by the end of the first quarter 1999.  Contingency plans related to
the business areas are expected to be completed by the end of the second quarter
1999. At this time, the Registrant is unable to predict the ultimate impact,  if
any, of the Year 2000 Issue on the Registrant's financial condition,  results of
operations or liquidity; however, the impact could be material.

                                       14

<PAGE>

CONTINGENCIES

See Note 11 -  Commitments  and  Contingencies  and Note 2 - Regulatory  Matters
under Notes to Financial Statements for material issues existing at December 31,
1998.

MARKET RISK RELATED TO FINANCIAL INSTRUMENTS AND COMMODITY INSTRUMENTS

Market risk  represents the risk of changes in value of a financial  instrument,
derivative  or  non-derivative,  caused by  fluctuations  in interest  rates and
equity prices. The following discussion of Ameren's,  including AmerenUE's, risk
management activities includes forward-looking statements that involve risks and
uncertainties.  Actual results could differ  materially  from those projected in
the "forward-looking" statements. Ameren handles market risks in accordance with
established  policies,  which  may  include  entering  into  various  derivative
transactions. In the normal course of business, Ameren also faces risks that are
either non-financial or non-quantifiable.  Such risks principally include credit
risk and legal risk and are not represented in the following analysis.

Interest Rate Risk
The  Registrant  is exposed to market risk  through  changes in  interest  rates
through its  issuance  of both  long-term  and  short-term  variable-rate  debt,
fixed-rate debt and commercial  paper. The Registrant  manages its interest rate
exposure by  controlling  the amount of these  instruments  it holds  within its
total  capitalization  portfolio and by monitoring the effects of market changes
in interest rates.

If interest  rates  increase 1% in 1999 as  compared to 1998,  the  Registrant's
interest expense would increase by approximately $5 million and net income would
decrease by approximately $3 million.  This amount has been determined using the
assumptions that the Registrant's  outstanding variable rate debt as of December
31, 1998,  continued to be  outstanding  throughout  1999,  and that the average
interest rates for these instruments  increased 1% over 1998. The model does not
consider  the effects of the reduced  level of overall  economic  activity  that
would  exist in such an  environment.  In the event of a  significant  change in
interest  rates,  management  would likely take actions to further  mitigate its
exposure to this market risk.  However,  due to the  uncertainty of the specific
actions that would be taken and their possible effects, the sensitivity analysis
assumes no change in the Registrant's financial structure.

Commodity Price Risk
The  Registrant  is exposed to changes in market prices for natural gas and fuel
and  purchased  power.  With regard to its natural  gas  utility  business,  the
Registrant's  exposure to changing  market prices is in large part  mitigated by
the fact that AmerenUE has a Purchased Gas  Adjustment  Clause (PGA) in place in
both its Missouri and Illinois  jurisdictions.  The PGA allows the Registrant to
pass on to its  customers  its  prudently  incurred  costs of natural gas.  With
approval  of the MoPSC,  the  Registrant  is  participating  in an  experimental
program to control the  volatility of gas prices paid by its Missouri  customers
in the winter months through the purchase of financial instruments.

Since  the  Registrant  does not  have a  provision  similar  to the PGA for its
electric operations, the Registrant has entered into several long-term contracts
with various  suppliers to purchase coal and nuclear fuel to manage its exposure
to fuel  prices  (see Note 11 -  Commitments  and  Contingencies  under Notes to
Financial Statements for further  information).  With regard to the Registrant's
exposure  to  commodity  risk for  purchased  power,  Ameren has  established  a
subsidiary,  AmerenEnergy,  Inc., whose primary responsibility includes managing
market risks  associated with the changing market prices for purchased power for
the Registrant.

AmerenEnergy  utilizes  several  techniques  to  mitigate  its  market  risk for
purchased  power,  including  utilizing  derivative  financial  instruments.   A
derivative  is a contract  whose value is dependent on or derived from the value
of some underlying asset. The derivative financial instruments that AmerenEnergy
is allowed to utilize (which include  forward  contracts and futures  contracts)
are  dictated by a risk  management  policy,  which has been  reviewed  with the
Auditing  Committee of Ameren's  Board of  Directors.  Compliance  with the risk
management policy is the responsibility of a risk management steering committee,
consisting of Ameren  officers and an  independent  risk  management  officer at
AmerenEnergy.

As of December  31, 1998,  the fair value of  derivative  financial  instruments
exposed  to  commodity  price risk was  immaterial.  The  Registrant  expects an
increase in the derivative financial instruments used to manage risk in 1999 due
to expected growth at AmerenEnergy.

                                       15

<PAGE>

Equity Price Risk
The  Registrant  maintains  trust funds,  as required by the Nuclear  Regulatory
Commission  and  Missouri  and Illinois  state laws,  to fund  certain  costs of
nuclear  decommissioning  (see Note 12 - Callaway  Nuclear  Plant under Notes to
Financial  Statements for further  information).  As of December 31, 1998, these
funds  were  invested  primarily  in  domestic  equity  securities,  fixed-rate,
fixed-income  securities,  and cash  and  cash  equivalents.  By  maintaining  a
portfolio that includes long-term equity investments,  the Registrant is seeking
to maximize  the returns to be utilized to fund nuclear  decommissioning  costs.
However,  the equity  securities  included  in the  Registrant's  portfolio  are
exposed  to  price   fluctuations  in  equity   markets,   and  the  fixed-rate,
fixed-income securities are exposed to changes in interest rates. The Registrant
actively   monitors  its  portfolio  by  benchmarking  the  performance  of  its
investments  against  certain  indices  and  by  maintaining,  and  periodically
reviewing, established target allocation percentages of the assets of its trusts
to various investment options. The Registrant's  exposure to equity price market
risk is in large part mitigated due to the fact that the Registrant is currently
allowed to recover its decommissioning costs in its rates.

ACCOUNTING MATTERS

In its November  1998 meeting,  the Emerging  Issues Task Force of the Financial
Accounting  Standards  Board  (EITF)  reached a consensus  on EITF Issue  98-10,
"Accounting  for Energy  Trading  and Risk  Management  Activities."  EITF 98-10
provides  guidance on the accounting for energy  contracts  entered into for the
purchase or sale of electricity,  natural gas, capacity and transportation.  The
EITF reached a consensus in EITF 98-10 that sales and purchase  activities being
performed need to be classified as either trading or  non-trading.  Furthermore,
transactions that are determined to be trading activities would be recognized on
the balance  sheet  measured at fair  value,  with gains and losses  included in
earnings. EITF 98-10 includes factors or indicators to consider when determining
if a  transaction  is a trading  or  non-trading  activity.  EITF  98-10 will be
effective beginning in 1999.  Currently,  AmerenEnergy enters into contracts for
the sale and purchase of energy on behalf of the Registrant.  These transactions
are considered  nontrading activities and are accounted for using the accrual or
settlement  method,   which  represents   industry   practice.   Should  any  of
AmerenEnergy's  future activities be considered  trading activities based on the
indicators  provided  in EITF  98-10,  the  related  transaction  may need to be
measured at fair value and recognized in the balance sheet,  with a gain or less
included in earnings.  EITF 98-10 is not  expected to have a material  impact on
the Registrant's financial position or results of operations upon adoption. Many
of the  provisions  of EITF 98-10 will  likely be  superseded  by  Statement  of
Financial   Accounting   Standards   (SFAS)  133,   "Accounting  for  Derivative
Instruments and Hedging Activities" (see below).

In June  1998,  the  Financial  Accounting  Standards  Board  issued  SFAS  133,
"Accounting  for  Derivative  Instruments  and  Hedging  Activities."  SFAS  133
establishes  accounting and reporting  standards for derivative  instruments and
for hedging  activities  and  requires  recognition  of all  derivatives  on the
balance  sheet  measured at fair  value.  SFAS 133 is  effective  for all fiscal
quarters of all fiscal years beginning after June 15, 1999. Earlier  application
is  encouraged.  SFAS 133 cannot be  applied  retroactively.  At this time,  the
Registrant  is  unable to  determine  the  impact  of SFAS 133 on its  financial
position or results of operations upon adoption.

In March 1998,  the  Accounting  Standards  Executive  Committee of the American
Institute of Certified  Public  Accountants  issued  Statement of Position (SOP)
98-1,  "Accounting for the Costs of Computer Software  Developed or Obtained for
Internal  Use."  SOP 98-1  provides  guidance  on  accounting  for the  costs of
computer  software  developed  or obtained  for  internal  use.  Under SOP 98-1,
certain  costs,  which  are  currently  expensed  by  the  Registrant,   may  be
capitalized  and amortized  over some future  period.  SOP 98-1 is effective for
fiscal years beginning after December 15, 1998. SOP 98-1 is not expected to have
a  material  impact  on  the  Registrant's  financial  position  or  results  of
operations upon adoption.

EFFECTS OF INFLATION AND CHANGING PRICES

The Registrant's  rates for retail electric and gas service are regulated by the
MoPSC  and the  Illinois  Commerce  Commission.  Non-retail  electric  rates are
regulated by the FERC.

The current  replacement  cost of the Registrant's  utility plant  substantially
exceeds its recorded historical cost. Under existing regulatory  practice,  only
the historical cost of plant is recoverable  from customers.  As a result,  cash
flows  designed to provide  recovery of historical  costs  through  depreciation
might not be adequate to replace plants in future years. Regulatory practice has
been  modified for the  Registrant's  generation  portion of its business in its
Illinois  jurisdiction,  and may be modified in the future for the  Registrant's
Missouri  jurisdiction (see Note 2 - Regulatory Matters under Notes to Financial
Statements for further information).

                                       16

<PAGE>

In the Illinois retail  jurisdiction,  the cost of fuel for electric generation,
which  was  previously  reflected  in  billings  to  customers  through  a  fuel
adjustment  clause, has been added to base rates as provided for in the Law (see
Note 2 -  Regulatory  Matters  under Notes to Financial  Statements  for further
information). In the Missouri retail jurisdiction, the cost of fuel for electric
generation  is reflected in base rates with no provision  for changes to be made
through a fuel adjustment clause. In Illinois and Missouri, changes in gas costs
are  generally  reflected  in billings  to  customers  through a  purchased  gas
adjustment clause.

Inflation continues to be a factor affecting operations, earnings, stockholders'
equity and financial performance.

SAFE HARBOR STATEMENT

Statements  made in this report  which are not based on  historical  facts,  are
forward-looking  and,  accordingly,  involve risks and uncertainties  that could
cause actual results to differ  materially from those  discussed.  Although such
forward-looking  statements  have  been  made in good  faith  and are  based  on
reasonable assumptions,  there is no assurance that the expected results will be
achieved.  These statements include (without limitation) statements as to future
expectations,   beliefs,  plans,  strategies,  objectives,  events,  conditions,
financial  performance  and the Year 2000 Issue.  In  connection  with the "Safe
Harbor" provisions of the Private Securities  Litigation Reform Act of 1995, the
Registrant is providing this cautionary  statement to identify important factors
that could cause actual  results to differ  materially  from those  anticipated.
Factors  include,  but are not limited to, the  effects of  regulatory  actions;
changes  in laws and other  governmental  actions;  competition;  future  market
prices for fuel and purchased power, electricity, and natural gas, including the
use of financial  instruments;  average  rates for  electricity  in the Midwest;
business and economic  conditions;  interest  rates;  weather  conditions;  fuel
prices and  availability;  generation  plant  performance;  monetary  and fiscal
policies; future wages and employee benefits costs; and legal and administrative
proceedings.


ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK.

              Information required to be reported by this item is included under
"Market Risk Related to Financial  Instruments  and  Commodity  Instruments"  in
"Management's  Discussion  and Analysis of Financial  Conditions  and Results of
Operations" under Item 7 herein.

                                       17

<PAGE>







                        REPORT OF INDEPENDENT ACCOUNTANTS






To the Board of Directors and Shareholders
of Union Electric Company


In our opinion,  the financial  statements  listed in the index  appearing under
Item 14(a)(1) on Page 38 present fairly, in all material respects, the financial
position  of Union  Electric  Company at  December  31,  1998 and 1997,  and the
results of their  operations and their cash flows for each of the three years in
the period  ended  December  31,  1998 in  conformity  with  generally  accepted
accounting principles.  These financial statements are the responsibility of the
Company's  management;  our  responsibility  is to  express  an opinion on these
financial  statements  based on our  audits.  We  conducted  our audits of these
statements  in accordance  with  generally  accepted  auditing  standards  which
require that we plan and perform the audit to obtain reasonable  assurance about
whether  financial  statements  are  free of  material  misstatement.  An  audit
includes  examining,  on a test  basis,  evidence  supporting  the  amounts  and
disclosures in the financial  statements,  assessing the  accounting  principles
used and  significant  estimates made by management,  and evaluating the overall
financial  statement  presentation.   We  believe  that  our  audits  provide  a
reasonable basis for the opinion expressed above.






/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP
St. Louis, Missouri
February 4, 1999

                                       18

<PAGE>

ITEM 8.  FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA.

UNION ELECTRIC COMPANY

<TABLE>
<CAPTION>
                                  BALANCE SHEET
                                  -------------
                      (Thousands of Dollars, Except Shares)

                                                                  December 31, December 31,
ASSETS                                                               1998         1997
- ------                                                               ----         ----
<S>                                                              <C>          <C>
Property and plant, at original cost:
   Electric                                                       $8,975,542   $8,832,039
   Gas                                                               209,556      197,959
   Other                                                              35,994       36,023
                                                                  ----------   ----------
                                                                   9,221,092    9,066,021
   Less accumulated depreciation and amortization                  4,110,250    3,866,925
                                                                  ----------   ----------
                                                                   5,110,842    5,199,096
Construction work in progress:
   Nuclear fuel in process                                           108,294      134,804
   Other                                                             127,168       68,074
                                                                  ----------   ----------
         Total property and plant, net                             5,346,304    5,401,974
                                                                  ----------   ----------
Investments and other assets:
   Nuclear decommissioning trust fund                                161,877      122,438
   Other                                                              45,688       33,315
                                                                  ----------   ----------
         Total investments and other assets                          207,565      155,753
                                                                  ----------   ----------
Current assets:
   Cash and cash equivalents                                          47,337        3,232
   Accounts receivable - trade (less allowance for doubtful
         accounts of $6,678 and $3,645, respectively)                143,912      179,708
   Unbilled revenue                                                   97,361       71,156
   Other accounts and notes receivable                                55,502       41,028
   Materials and supplies, at average cost -
      Fossil fuel                                                     53,036       49,574
      Other                                                           91,831       97,375
   Other                                                              13,529       11,040
                                                                  ----------   ----------
         Total current assets                                        502,508      453,113
                                                                  ----------   ----------
Regulatory assets:
   Deferred income taxes                                             608,353      611,740
   Other                                                             165,134      179,705
                                                                  ----------   ----------
         Total regulatory assets                                     773,487      791,445
                                                                  ----------   ----------
TOTAL ASSETS                                                      $6,829,864   $6,802,285
                                                                  ==========   ==========

CAPITAL AND LIABILITIES
- -----------------------
Capitalization:
   Common stock, $5 par value, authorized 150,000,000 shares -
     outstanding 102,123,834 shares                               $  510,619   $  510,619
   Other paid-in capital, principally premium on
     common stock                                                    701,896      716,879
   Retained earnings                                               1,211,610    1,159,956
                                                                  ----------   ----------
         Total common stockholder's equity                         2,424,125    2,387,454
   Preferred stock not subject to mandatory redemption (Note 6)      155,197      155,197
   Long-term debt (Note 8)                                         1,674,311    1,846,482
                                                                  ----------   ----------
         Total capitalization                                      4,253,633    4,389,133
                                                                  ----------   ----------
Current liabilities:
   Current maturity of long-term debt                                117,269       28,797
   Short-term debt                                                       --        21,300
   Accounts and wages payable                                        242,522      188,014
   Accumulated deferred income taxes                                  45,061       35,809
   Taxes accrued                                                     100,714       94,167
   Other                                                             151,385      142,859
                                                                  ----------   ----------
         Total current liabilities                                   656,951      510,946
                                                                  ----------   ----------
Commitments and Contingencies (Notes 2, 11 and 12)
Accumulated deferred income taxes                                  1,254,372    1,264,800
Accumulated deferred investment tax credits                          144,175      149,891
Regulatory liability                                                 159,317      175,638
Other deferred credits and liabilities                               361,416      311,877
                                                                  ==========   ==========
TOTAL CAPITAL AND LIABILITIES                                     $6,829,864   $6,802,285
                                                                  ==========   ==========

See Notes to Financial Statements.

</TABLE>
                                       19


<PAGE>

<TABLE>
<CAPTION>

                             UNION ELECTRIC COMPANY
                             ----------------------
                               STATEMENT OF INCOME
                               -------------------
                             (Thousands of Dollars)




                                                             December 31,   December 31,   December 31,
For the year ended                                              1998           1997           1996
                                                                ----           ----           ----

OPERATING REVENUES:
<S>                                                       <C>            <C>            <C>        
   Electric                                                $ 2,290,526    $ 2,188,571    $ 2,160,815
   Gas                                                          91,175         98,259         99,064
   Steam                                                           370            503            485
                                                           -----------    -----------    -----------
      Total operating revenues                               2,382,071      2,287,333      2,260,364
 
OPERATING EXPENSES:
   Operations
    Fuel and purchased power                                   530,449        499,995        512,831
    Gas                                                         49,496         63,453         64,548
    Other                                                      461,987        404,956        379,106
                                                             ---------      ---------      ---------
                                                             1,041,932        968,404        956,485
    Maintenance                                                221,995        217,426        223,632
    Depreciation and amortization                              259,787        247,961        241,298
    Income taxes                                               217,385        192,766        197,369
    Other taxes                                                212,789        211,949        213,266
                                                             ---------      ---------      ---------
      Total operating expenses                               1,953,888      1,838,506      1,832,050
       
Operating Income                                               428,183        448,827        428,314

OTHER INCOME AND DEDUCTIONS:
   Allowance for equity funds used during
      Construction                                               4,985          4,461          6,492
   Miscellaneous, net                                           10,904          7,334         (4,293)
                                                             ---------      ---------      ---------
      Total other income and deductions                         15,889         11,795          2,199

Income Before Interest Charges                                 444,072        460,622        430,513
                                                                                             

INTEREST CHARGES:
   Interest                                                    129,947        138,676        132,644
   Allowance for borrowed funds used during construction        (5,945)        (6,676)        (7,007)
                                                             ---------      ---------      --------- 
    Net interest charges                                       124,002        132,000        125,637
                                                                                             
 
Income Before Extraordinary Charge                             320,070        328,622        304,876
                                                             ---------      ---------      ---------

Extraordinary Charge (Net of Income Taxes) (Note 2)               --          (26,967)          --
                                                             ---------      ---------      ---------

NET INCOME                                                     320,070        301,655        304,876
                                                             ---------      ---------      ---------

Preferred Stock Dividends                                        8,817          8,817         13,249
                                                             ---------      ---------      ---------
NET INCOME AFTER PREFERRED
      STOCK DIVIDENDS                                      $   311,253    $   292,838    $   291,627
                                                           ===========    ===========    ===========

See Notes to Financial Statements.
</TABLE>

                                       20


<PAGE>

<TABLE>
<CAPTION>

                             UNION ELECTRIC COMPANY
                             ----------------------
                             STATEMENT OF CASH FLOWS
                             -----------------------
                             (Thousands of Dollars)




                                                          December 31,    December 31     December 31,
For the year ended                                            1998           1997             1996
                                                              ----           ----             ----

<S>                                                       <C>            <C>              <C>
Cash Flows From Operating:
   Income before extraordinary charge                      $ 320,070      $ 328,622        $ 304,876
                                                                                                              
   Adjustments to reconcile net income to net cash
      provided by operating activities:
        Depreciation and amortization                        250,323        238,846          231,743
        Amortization of nuclear fuel                          36,855         37,126           37,792
        Allowance for funds used during construction         (10,930)       (11,137)         (13,499)
        Deferred income taxes, net                           (14,213)       (23,788)           4,948
        Deferred investment tax credits, net                  (5,716)       (10,451)          (6,182)
        Changes in assets and liabilities:                   
          Receivables, net                                    (4,883)        14,356          (11,028) 
          Materials and supplies                               2,082         11,219          (18,866)
          Accounts and wages payable                          54,508        (22,335)           4,732
          Taxes accrued                                        6,547         42,622            3,832
          Other, net                                          16,463         (2,941)          66,344
                                                            ---------     -----------       ----------
Net Cash Provided by Operating Activities                    651,106        602,139          604,692

Cash Flows From Investing:
   Construction expenditures                                (221,502)      (259,418)        (325,110)
   Allowance for funds used during construction               10,930         11,137           13,499
   Nuclear fuel expenditures                                 (20,432)       (35,432)         (51,176)
                                                            ---------     ----------       ----------
Net Cash Used in Investing Activities                       (231,004)      (283,713)        (362,787)
                                                                                                              
Cash Flows From Financing:
   Dividends on common stock                                (259,599)      (259,395)        (256,331)
   Dividends on preferred stock                               (8,817)        (8,817)         (12,941)
   Redemptions - 
      Nuclear fuel lease                                     (67,720)       (28,292)         (34,819)
      Short-term debt                                        (21,300)          --             (8,300)
      Long-term debt                                        (195,000)       (45,000)         (35,000)
      Preferred stock                                           --          (63,924)             (26)
   Issuances -
      Nuclear fuel lease                                      16,439         40,337           43,884
      Short-term debt                                           --           10,000              --   
      Long-term debt                                         160,000         35,000           65,500
                                                            ---------      ---------       ----------
Net Cash Used in Financing Activities                       (375,997)      (320,091)        (238,033)

Net Change in Cash and Cash Equivalents                       44,105         (1,665)           3,872
Cash and Cash Equivalents at Beginning of Year                 3,232          4,897            1,025
                                                            =========      =========       ==========
Cash and Cash Equivalents at End of Year                    $ 47,337      $   3,232        $   4,897
======================================================================================================
Cash paid during the periods:
- ------------------------------------------------------------------------------------------------------
   Interest (net of amount capitalized)                    $ 125,255      $ 117,187        $ 120,745
   Income taxes                                            $ 223,960      $ 195,498        $ 193,043
- ------------------------------------------------------------------------------------------------------

</TABLE>

SUPPLEMENTAL DISCLOSURE OF NONCASH TRANSACTION:
An  extraordinary  charge to earnings was recorded in the fourth quarter of 1997
for the write-off of generation-related regulatory assets and liabilities of the
Company's  Illinois  retail electric  business as a result of electric  industry
restructuring  legislation  enacted in Illinois in December  1997. The write-off
reduced  earnings  $27  million,  net of income  taxes.  See Note 2 - Regulatory
Matters under Notes to Financial Statements for further information.

See Notes to Financial Statements.

                                       21


<PAGE>

                             UNION ELECTRIC COMPANY
                             ----------------------

<TABLE>
<CAPTION>

STATEMENT OF RETAINED EARNINGS
- ------------------------------
(Thousands of Dollars)

- -----------------------------------------------------------------------------------------
Year Ended December 31,                       1998              1997             1996
<S>                                       <C>               <C>              <C>       
Balance at Beginning of Period             $1,159,956        $1,126,513       $1,090,909
- -----------------------------------------------------------------------------------------
  Add:
  Net income                                  320,070           301,655          304,876
- -----------------------------------------------------------------------------------------
                                            1,480,026         1,428,168        1,395,785
- -----------------------------------------------------------------------------------------
  Deduct:
  Preferred stock dividends                     8,817             8,817           12,941
  Common stock cash dividends                 259,599           259,395          256,331
- -----------------------------------------------------------------------------------------
                                              268,416           268,212          269,272
- -----------------------------------------------------------------------------------------
Balance at End of Period                   $1,211,610        $1,159,956       $1,126,513
- -----------------------------------------------------------------------------------------

Under mortgage  indentures as amended,  $31,305 of total  retained  earnings was
restricted  against payment of common dividends - except those payable in common
stock, leaving $1,180,305 of free and unrestricted retained earnings at December
31, 1998.

</TABLE>








<TABLE>
<CAPTION>

SELECTED QUARTERLY INFORMATION (Unaudited)
- ------------------------------
(Thousands of Dollars, Except Per Share Amounts)

- ------------------------------------------------------------------------------------------------
                                 Operating        Operating           Net         Net Income
                                 Revenues          Income            Income         After
Quarter Ended                                                                     Preferred
                                                                                    Stock
                                                                                  Dividends
- ------------------------------------------------------------------------------------------------
<S>                               <C>               <C>               <C>             <C>    
March 31, 1998 <F1>                $478,585          $62,120           $30,302         $28,098
March 31, 1997 <F1>                 487,258           65,587            31,630          29,426
June 30, 1998 <F2>                  588,676           92,827            66,251          64,046
June 30, 1997 <F2>                  549,954          104,084            69,642          67,437
September 30, 1998 <F3>             846,437          233,738           206,551         204,347
September 30, 1997 <F3>             774,354          218,646           183,779         181,575
December 31, 1998                   468,373           39,498            16,966          14,762
December 31, 1997 <F4>              475,767           60,510            16,604          14,400
- ------------------------------------------------------------------------------------------------

<FN>
<F1> The first  quarter of 1998 and 1997  included  credits to Missouri electric
customers which reduced net income and earnings on common stock approximately $6
million and $7  million,  respectively
<F2> The second  quarter of 1998 and 1997 included  credits to Missouri electric
customers  which reduced net income and earnings on  common stock  approximately
$18 million  and $4 million,  respectively.  Callaway Plant refueling  expenses,
which  decreased  net  income  approximately  $18 million,  were included in the
second  quarter of 1998.
<F3> The third quarter of 1998 included a  nonrecurring  charge  related to  the
targeted  separation  plan, which reduced net income $11  million.  See Note 3 -
Targeted  Separation  Plan  under  Notes to  Financial  Statements  for  further
information. 
<F4> The fourth quarter  of  1997   included  a  net  reversal of  the  Missouri
portion  of merger-related expenses of $22 million.  The fourth quarter of  1997
also included an extraordinary charge of $27 million,  net of income  taxes (see
Note 2 - Regulatory  Matters  under  Notes to  Financial  Statements for further
information).
</FN>

Other  changes in  quarterly  earnings are due to the effect of weather on sales
and other factors that are characteristic of public utility operations.

See Notes to Financial Statements.
</TABLE>

                                       22


<PAGE>


UNION ELECTRIC COMPANY
NOTES TO FINANCIAL STATEMENTS
DECEMBER 31, 1998

NOTE 1 - Summary of Significant Accounting Policies

Basis of Presentation
Union Electric Company (AmerenUE or the Registrant) is a wholly-owned subsidiary
of Ameren  Corporation  (Ameren),  which is the parent  company  of two  utility
operating companies,  the Registrant and Central Illinois Public Service Company
(AmerenCIPS).  Ameren is a registered  holding  company under the Public Utility
Holding  Company Act of 1935 (PUHCA)  formed in December 1997 upon the merger of
AmerenUE and CIPSCO Incorporated (the Merger).  Both Ameren and its subsidiaries
are subject to the regulatory  provisions of the PUHCA. The operating  companies
are engaged principally in the generation,  transmission,  distribution and sale
of electric energy and the purchase,  distribution,  transportation  and sale of
natural  gas in the  states  of  Missouri  and  Illinois.  Contracts  among  the
companies--dealing  with jointly-owned  generating  facilities,  interconnecting
transmission  lines,  and the exchange of electric  power--are  regulated by the
Federal  Energy  Regulatory  Commission  (FERC) or the  Securities  and Exchange
Commission (SEC). Administrative support services are provided to the Registrant
by a separate Ameren subsidiary,  Ameren Services Company. The Registrant serves
1.1 million  electric and 124,000 gas customers in a 24,500  square-mile area of
Missouri and Illinois, including Metropolitan St. Louis.

The Registrant also has a 40% interest in Electric Energy,  Inc. (EEI), which is
accounted  for under the equity method of  accounting.  EEI owns and operates an
electric generating and transmission facility in Illinois that supplies electric
power primarily to a uranium enrichment plant located in Paducah, Kentucky.

Regulation
In addition to the SEC, the  Registrant  is  regulated  by the  Missouri  Public
Service Commission  (MoPSC),  Illinois Commerce  Commission (ICC), and the FERC.
The  accounting  policies  of  the  Registrant  conform  to  generally  accepted
accounting  principles  (GAAP).  See Note 2 -  Regulatory  Matters  for  further
information.

Property and Plant
The cost of  additions  to and  betterments  of units of  property  and plant is
capitalized.  Cost includes labor, material,  applicable taxes and overheads. An
allowance for funds used during  construction is also added for the Registrant's
regulated  assets,  and  interest  incurred  during  construction  is added  for
non-regulated  assets.  Maintenance  expenditures  and the  renewal of items not
considered  units of property are charged to income as  incurred.  When units of
depreciable  property are  retired,  the original  cost and removal  cost,  less
salvage value, are charged to accumulated depreciation.

Depreciation
Depreciation  is provided  over the  estimated  lives of the various  classes of
depreciable  property by applying composite rates on a straight-line  basis. The
provision for  depreciation in 1998, 1997 and 1996 was  approximately  3% of the
average depreciable cost.

Fuel and Gas Costs
In the Missouri and Illinois retail electric jurisdictions, the cost of fuel for
electric  generation is reflected in base rates with no provision for changes to
be made through fuel adjustment  clauses.  (See Note 2 - Regulatory  Matters for
further  information.) In Illinois in 1997 and 1996,  changes in fuel costs were
generally   reflected  in  billings  to  electric  customers  through  the  fuel
adjustment  clause.  In the  Illinois  and  Missouri  retail gas  jurisdictions,
changes  in gas costs are  generally  reflected  in  billings  to gas  customers
through purchased gas adjustment clauses.

Nuclear Fuel
The cost of nuclear fuel is  amortized  to fuel expense on a  unit-of-production
basis.  Spent fuel disposal  cost is charged to expense  based on  kilowatthours
sold.

Cash and Cash Equivalents
Cash  and  cash  equivalents  include  cash on hand  and  temporary  investments
purchased with an original maturity of three months or less.

Income Taxes
The Registrant is included in the  consolidated  federal income tax return filed
by Ameren. Income taxes are allocated to the individual companies based on their
respective  taxable  income or loss.  Deferred  tax assets and  liabilities  are
recognized  for the tax  consequences  of  transactions  that have been  treated
differently for financial

                                       23


<PAGE>

reporting and tax return purposes,  measured  using statutory tax rates expected
to be in effect when the temporary differences reverse.

Investment  tax  credits  utilized in prior  years were  deferred  and are being
amortized over the useful lives of the related properties.

Allowance for Funds Used During Construction
Allowance  for  funds  used  during  construction  (AFC) is a  utility  industry
accounting  practice  whereby the cost of borrowed  funds and the cost of equity
funds (preferred and common stockholders' equity) applicable to the Registrant's
regulated  construction  program are capitalized as a cost of construction.  AFC
does not  represent a current  source of cash funds.  This  accounting  practice
offsets the effect on earnings of the cost of  financing  current  construction,
and treats such financing costs in the same manner as  construction  charges for
labor and materials.

Under  accepted  ratemaking  practice,  cash  recovery  of AFC, as well as other
construction  costs,  occurs when  completed  projects are placed in service and
reflected in customer rates.  The AFC rates used were 9% during 1998,  1997, and
1996.

Unamortized Debt Discount, Premium and Expense
Discount,  premium and expense associated with long-term debt are amortized over
the lives of the related issues.

Revenue
The  Registrant  accrues an estimate of electric  and gas  revenues  for service
rendered but unbilled at the end of each accounting period.

Evaluation of Assets for Impairment
Statement of Financial  Accounting  Standards  (SFAS) 121,  "Accounting  for the
Impairment of  Long-Lived  Assets and for  Long-Lived  Assets to be Disposed Of"
prescribes  general  standards for the recognition and measurement of impairment
losses. The Registrant determines if long-lived assets are impaired by comparing
their  undiscounted  expected  future cash flows to their  carrying  amount.  An
impairment loss is recognized if the undiscounted expected future cash flows are
less  than the  carrying  amount  of the  asset.  SFAS 121  also  requires  that
regulatory  assets  which are no longer  probable  of  recovery  through  future
revenues  be charged to  earnings  (see Note 2  Regulatory  Matters  for further
information). As of December 31, 1998, no impairment was identified.

Use of Estimates
The  preparation  of  financial  statements  in  conformity  with GAAP  requires
management  to make  certain  estimates  and  assumptions.  Such  estimates  and
assumptions may affect reported amounts of assets and liabilities and disclosure
of contingent assets and liabilities at the date of the financial statements and
the reported amounts of revenues and expenses during the reported period. Actual
results could differ from those estimates.

NOTE 2 - Regulatory Matters

In  July  1995,  the  MoPSC  approved  an  agreement  establishing   contractual
obligations  involving the Registrant's Missouri retail electric rates. Included
was a three-year experimental  alternative regulation plan that ran from July 1,
1995 through  June 30,  1998,  which  provided  that  earnings in those years in
excess of a 12.61%  regulatory  return on equity (ROE) be shared equally between
customers and Ameren's stockholders, and earnings above a 14% ROE be credited to
customers. The formula for computing the credit used twelve-month results ending
June 30, rather than calendar year earnings.  In 1996, the Registrant recorded a
$47 million  credit for the first year of the plan,  which reduced  earnings $28
million.  During  1997,  the  Registrant  recorded a $20 million  credit for the
second year of the plan,  which  reduced  earnings  $11  million.  In 1998,  the
Registrant  recorded an estimated  $43 million  credit for the final year of the
plan,  which reduced  earnings $24 million.  In November  1998,  the MoPSC staff
proposed  preliminary  adjustments to the  Registrant's  estimated  credit.  The
credit for the final year of the plan will be subject to regulatory proceedings.
The  Registrant  expects that the  regulatory  proceedings  will be completed in
1999. The staff's proposed adjustments,  if ultimately accepted,  could increase
the Registrant's estimated credit up to $10 million.

Included in the joint agreement approved by the MoPSC in its February 1997 order
authorizing the Merger, was a new three-year experimental alternative regulation
plan that will run from July 1, 1998 through  June 30,  2001.  Like the original
plan, the new plan requires that earnings over a 12.61% ROE up to a 14% ROE will
be  shared  equally  between  customers  and  Ameren's  stockholders.   The  new
three-year  plan will also return to customers  90% of all earnings  above a 14%
ROE up to a 16% ROE.  Earnings  above a 16% ROE  will be  credited  entirely  to
customers.  In addition,  the joint agreement  provides for a Missouri  electric
rate decrease, retroactive to September 1, 1998,

                                       24

<PAGE>

based on  the  weather-adjusted  average  annual credits to  customers under the
original experimental alternative regulation plan. The Registrant estimates that
its  Missouri  electric  rate  decrease  should  approximate  $15 million to $20
million  on  an  annualized  basis.   However,  the  MoPSC  staff  has  proposed
adjustments  to the  Registrant's  estimate  based  upon  their  methodology  of
calculating  the  weather-adjusted  credits.  In  addition,  the  results of the
regulatory   proceedings   associated  with  the  final  year  of  the  original
experimental alternative regulation plan will impact the final Missouri electric
rate decrease as well.  The Registrant  expects that the regulatory  proceedings
associated  with  determining  the  Missouri  electric  rate  decrease  will  be
completed in 1999. The staff's  proposed  adjustments,  if ultimately  accepted,
could increase the Registrant's  proposed Missouri electric rate decrease by $15
million to $20 million.

In December  1997,  the MoPSC  approved a $12 million  annual rate  increase for
natural gas service in the Registrant's Missouri jurisdiction. The rate increase
became effective in February 1998.

In June 1998, the Registrant  filed a request with the ICC to increase rates for
natural gas service in the  Illinois  jurisdiction.  In February  1999,  the ICC
approved a $1 million annual rate increase.  The rate increase became  effective
in February 1999.

In 1998,  the  Registrant  joined a group of ten other utility  companies  which
support the formation of the Midwest  Independent System Operator (Midwest ISO).
An ISO operates,  but does not own,  transmission  systems and maintains  system
reliability and security while  alleviating  pricing issues  associated with the
"pancaking"  of rates.  The Midwest  ISO would be  regulated  by FERC.  The FERC
conditionally  approved the Midwest ISO in September 1998, and it is expected to
be operational by the year 2001. The Registrant's  membership in the Midwest ISO
must be  approved  by the  MoPSC.  The  Midwest  ISO  covers  eight  states  and
represents portions of 40,000 miles of transmission line and 62,000 megawatts of
electric power. Collectively, the member companies serve more than seven million
customers.

In  addition,   certain  states  are  considering   proposals  or  have  adopted
legislation that will promote competition at the retail level. In December 1997,
the Governor of Illinois  signed the Electric  Service  Customer Choice and Rate
Relief Law of 1997 (the Law)  providing for electric  utility  restructuring  in
Illinois.  This legislation  introduces  competition into the supply of electric
energy in Illinois.

Under the Law,  retail  direct  access,  which allows  customers to choose their
electric generation  supplier,  will be phased in over several years. Access for
commercial and  industrial  customers will occur over a period from October 1999
to December 2000, and access for  residential  customers will occur after May 1,
2002.

The Law includes a 5%  residential  electric rate decrease for the  Registrant's
Illinois  electric  customers,  effective  August 1,  1998.  This rate  decrease
reduced  electric  revenues  approximately $1 million in 1998 and is expected to
decrease electric revenues  approximately $3 million annually thereafter,  based
on  estimated  levels of sales  and  assuming  normal  weather  conditions.  The
Registrant may be subject to additional 5%  residential  electric rate decreases
in each of 2000 and 2002,  to the extent its rates  exceed the  Midwest  utility
average at that time.  The  Registrant's  rates are currently  below the Midwest
utility average.

As a  result  of the  Law,  the  Registrant  filed a  proposal  with  the ICC to
eliminate the electric fuel  adjustment  clause for Illinois  retail  customers,
thereby  including  a  historical  level of fuel  costs in base  rates.  The ICC
approved the Registrant's filing in April 1998.

The Law  contains a provision  requiring  one-half of excess  earnings  from the
Illinois  regulated  jurisdiction for the years 1998 through 2004 to be refunded
to the  Registrant's  Illinois  customers.  Excess  earnings  are defined as the
excess of the two-year  average  annual rate of return on common equity over the
two-year  average of the average  monthly  yields of the 30-year  U.S.  Treasury
bonds, plus prescribed  percentages  ranging from 5.5% to 6.5%.  Filings must be
made with the ICC on or before March 31 of each year 2000 through  2005. At this
time,  the Registrant is unable to determine the impact of this provision on its
future financial condition, results of operations or liquidity.

Other  provisions  of the Law  include  (1)  potential  recovery of a portion of
strandable  costs,  which  represent  costs which would not be  recoverable in a
restructured  environment,  through a transition charge collected from customers
who choose  another  electric  supplier;  (2) a mechanism to securitize  certain
future  revenues;  (3) a requirement to file a delivery  service tariff in March
1999  for  customers  who  choose  alternative  suppliers;  and (4) a  provision
relieving the Registrant of the  requirement to file an electric rate case or an
alternative regulatory plan in Illinois following the consummation of the Merger
to reflect the effects of net merger savings.

                                       25

<PAGE>

The Registrant's  accounting  policies and financial  statements conform to GAAP
applicable  to  rate-regulated  enterprises  and  reflect  the  effects  of  the
ratemaking  process in accordance  with SFAS 71,  "Accounting for the Effects of
Certain  Types of  Regulation."  Such effects  concern  mainly the time at which
various items enter into the  determination of net income in order to follow the
principle  of  matching  costs and  revenues.  For  example,  SFAS 71 allows the
Registrant  to record  certain  assets and  liabilities  (regulatory  assets and
regulatory  liabilities) which are expected to be recovered or settled in future
rates  and  would not be  recorded  under  GAAP for  nonregulated  entities.  In
addition, reporting under SFAS 71 allows companies whose service obligations and
prices are  regulated to maintain  assets on their balance  sheets  representing
costs they  reasonably  expect to recover from customers,  through  inclusion of
such costs in future rates.  SFAS 101,  "Accounting  for the  Discontinuance  of
Application of FASB  Statement No. 71," specifies how an enterprise  that ceases
to  meet  the  criteria  for  application  of  SFAS  71 for  all or  part of its
operations  should  report that event in its financial  statements.  In general,
SFAS 101 requires that the enterprise  report the  discontinuance  of SFAS 71 by
eliminating from its balance sheet all regulatory assets and liabilities related
to the portion of the business  that no longer  meets the SFAS 71 criteria.  The
Emerging  Issues Task Force of the Financial  Accounting  Standards Board (EITF)
has concluded that application of SFAS 71 accounting should be discontinued once
sufficiently detailed deregulation legislation is issued for a separable portion
of a business for which a plan of deregulation  has been  established.  However,
the  EITF  further   concluded  that  regulatory   assets  associated  with  the
deregulated  portion of the business,  which will be recovered  through  tariffs
charged  to  customers  of a  regulated  portion  of  the  business,  should  be
associated  with the  regulated  portion of the business  from which future cash
recovery  is  expected  (not the  portion of the  business  from which the costs
originated),  and can therefore continue to be carried on the regulated entity's
balance sheet to the extent such assets are recoverable.  In addition,  SFAS 121
establishes  accounting  standards for the impairment of long-lived  assets (see
Note 1 - Summary of Significant Accounting Policies for further information).

Due to the  enactment  of the Law,  prices  for the  retail  supply of  electric
generation are expected to transition from cost-based,  regulated rates to rates
determined in large part by competitive  market forces in the state of Illinois.
As a result, the Registrant discontinued application of SFAS 71 for the Illinois
retail portion of its generating business (i.e., the portion of the Registrant's
business  related to the supply of electric  energy in  Illinois)  in the fourth
quarter of 1997.  The  Registrant  evaluated the impact of the Law on the future
recoverability  of  its  regulatory  assets  and  liabilities   related  to  the
generation  portion of its business and determined that it was not probable that
such assets and liabilities  would be recovered  through the cash flows from the
regulated   portion   of   its   business.    Accordingly,    the   Registrant's
generation-related  regulatory  assets and  liabilities  of its Illinois  retail
electric  business were written off in the fourth quarter of 1997,  resulting in
an extraordinary  charge to earnings of $27 million,  net of income taxes. These
regulatory assets and liabilities  included previously incurred costs originally
expected to be collected/ refunded in future revenues,  such as deferred charges
related to a  generating  plant and  income  tax-related  regulatory  assets and
liabilities.   In  addition,   the   Registrant   has   evaluated   whether  the
recoverability of the costs associated with its remaining net generation-related
assets has been impaired as defined under SFAS 121. The Registrant has concluded
that  impairment,  as defined  under SFAS 121,  does not exist and that no plant
write-downs  are necessary at this time. At December 31, 1998, the  Registrant's
net  investment  in  generation   facilities  related  to  its  Illinois  retail
jurisdiction  approximated  $216  million and was  included  in  electric  plant
in-service on the Registrant's consolidated balance sheet.

The  provisions of the Law could also result in lower  revenues,  reduced profit
margins and increased costs of capital and operations expense. At this time, the
Registrant  is unable to  determine  the  impact of the Law on the  Registrant's
future financial condition, results of operations or liquidity.

In  Missouri,  where  approximately  92% of  the  Registrant's  retail  electric
revenues are derived, a task force appointed by the MoPSC investigated  electric
industry restructuring and competition.  In 1998, the task force issued a report
to the  MoPSC  that  addressed  many of the  restructuring  issues,  but did not
provide a specific  recommendation  or approach to restructure the industry.  In
addition,  in 1998,  the MoPSC Staff  issued a proposed  plan for  restructuring
Missouri's  electric industry.  The Staff's plan addressed a number of issues of
concern if the industry is restructured in Missouri. It also included a proposal
for less than full recovery of strandable  costs.  The Staff's plan has not been
addressed  by the  MoPSC.  A joint  legislative  committee  is  also  conducting
hearings on these issues.

The  Registrant is unable to predict the timing or ultimate  outcome of electric
industry  restructuring  in the  state of  Missouri,  as well as the  impact  of
potential  electric industry  restructuring  matters on the Registrant's  future
financial condition,  results of operations or liquidity. The potential negative
consequences of electric industry restructuring could be significant and include
the impairment and write-down of certain  assets,  including  generation-related
plant and net  regulatory  assets,  lower  revenues,  reduced profit margins and
increased  costs of capital and  operations  expense.  At December 31, 1998, the
Registrant's  net  investment in generation  facilities  related to its Missouri
jurisdiction  approximated  $2.5  billion and was  included  in  electric  plant
in-service on the Registrant's balance sheet.

                                       26

<PAGE>

In addition,  at December 31, 1998,  the Registrant's Missouri  net  generation-
related regulatory assets approximated $464 million.

In accordance  with SFAS 71, the Registrant has deferred  certain costs pursuant
to actions of its regulators, and is currently recovering such costs in electric
rates charged to customers.


<TABLE>
<CAPTION>

At December 31, the Registrant had recorded the following  regulatory assets and
regulatory liability:
- ------------------------------------------- ------- -------
(in millions)                                 1998    1997
- ------------------------------------------- ------- -------
<S>                                          <C>     <C>
Regulatory Assets:
  Income taxes                                $608    $612
  Callaway costs                                95      99
  Merger costs                                  24      28
  Unamortized loss on reacquired debt           26      26
  Other                                         20      26
- ------------------------------------------- ------- -------
Regulatory Assets                             $773    $791
- ------------------------------------------- ------- -------
Regulatory Liability:
  Income taxes                                $159    $176
- ------------------------------------------- ------- -------
Regulatory Liability                          $159    $176
- ------------------------------------------- ------- -------
</TABLE>


Income Taxes:  See Note 9 - Income Taxes.
Callaway Costs:  Represents  Callaway  Nuclear Plant  operations and maintenance
expenses,   property  taxes  and  carrying  costs  incurred  between  the  plant
in-service  date and the date the plant was reflected in rates.  These costs are
being  amortized  over the remaining life of the plant  (through  2024).
Merger Costs:  Represents the portion of  merger-related expenses applicable  to
the Missouri retail  jurisdiction.  These  costs  are  being amortized within 10
years, based on a MoPSC order.
Unamortized Loss on Reacquired Debt: Represents losses related to refunded debt.
These amounts are being  amortized over the lives of the related new debt issues
or the remaining lives of the old debt issues if no new debt was issued.

The Registrant continually assesses the recoverability of its regulatory assets.
Under  current  accounting  standards,  regulatory  assets  are  written  off to
earnings  when it is no longer  probable  that such  amounts  will be  recovered
through future revenues.  However,  as noted in the above  paragraphs,  electric
industry  restructuring  legislation may impact the recoverability of regulatory
assets in the future.

In April 1996, the FERC issued Order 888 and Order 889 related to the industry's
wholesale  electric  business.  In January  1998,  Ameren filed a combined  open
access tariff that conforms to the FERC's orders.

NOTE 3 - Targeted Separation Plan

In July 1998,  Ameren offered  separation  packages to employees whose positions
were  eliminated  through a targeted  separation  plan  (TSP).  During the third
quarter of 1998, a  nonrecurring,  pre-tax  charge of $18 million was  recorded,
which reduced earnings $11 million, representing the Registrant's share of costs
incurred to implement the TSP. The remaining  liability  associated with the TSP
at December 31, 1998, was $11 million.

NOTE 4 - Concentration of Risk

Market Risk
The  Registrant   engages  in  price  risk  management   activities  related  to
electricity   and  natural  gas.  In  addition  to  buying  and  selling   these
commodities,  the Registrant  uses  derivative  financial  instruments to manage
market risks and reduce exposure  resulting from  fluctuations in interest rates
and the prices of  electricity  and natural  gas.  Derivative  instruments  used
include  futures and  forward  contracts.  The use of these  types of  contracts
allows the Registrant to manage and hedge its contractual commitments and reduce
exposure related to the volatility of commodity market prices.

Credit Risk
Credit  risk  represents  the  accounting  loss  that  would  be  recognized  if
counterparties  fail to  perform as  contracted.  New York  Mercantile  Exchange
(NYMEX) traded futures contracts are guaranteed by NYMEX and have nominal credit
risk. On all other transactions, the Registrant is exposed to credit risk in the
event of nonperformance by the counterparties in the transaction.

                                       27

<PAGE>

The Registrant's  financial instruments subject to credit risk consist primarily
of trade accounts  receivable and forward  contracts.  The risk  associated with
trade receivables is mitigated by the large number of customers in a broad range
of industry groups  comprising the Registrant's  customer base. The Registrant's
revenues  are  primarily  derived from sales of  electricity  and natural gas to
customers in Missouri and Illinois.  For each counterparty in forward contracts,
the Registrant analyzes the counterparty's financial condition prior to entering
into an agreement, establishes credit limits and monitors the appropriateness of
these limits on an ongoing basis.

NOTE 5 - Nuclear Fuel Lease

The Registrant has a lease  agreement that provides for the financing of nuclear
fuel. At December 31, 1998,  the maximum amount that could be financed under the
agreement was $120 million.  Pursuant to the terms of the lease,  the Registrant
has assigned to the lessor  certain  contracts for purchase of nuclear fuel. The
lessor  obtains,  through the issuance of commercial  paper or from direct loans
under  a  committed  revolving  credit  agreement  from  commercial  banks,  the
necessary funds to purchase the fuel and make interest payments when due.

The  Registrant  is obligated to reimburse the lessor for all  expenditures  for
nuclear fuel,  interest and related costs.  Obligations  under this lease become
due as the nuclear fuel is consumed at the Registrant's  Callaway Nuclear Plant.
The  Registrant  reimbursed  the lessor $23 million in 1998,  $31 million during
1997 and $37 million during 1996.

The Registrant has capitalized the cost,  including  certain  interest costs, of
the leased  nuclear fuel and has recorded the related lease  obligation.  During
1998, the total interest  charges under the lease were $5 million.  In both 1997
and 1996, the total interest  charges under the lease were $6 million.  Interest
charges for these years were based on average  interest  rates of  approximately
6%.  Interest charges of $3 million were capitalized in each respective year.

NOTE 6 - Preferred Stock

At  December  31,  1998 and  1997,  the  Registrant  had 25  million  shares  of
authorized preferred stock.

<TABLE>
<CAPTION>

Outstanding   preferred  stock  is  entitled  to  cumulative  dividends  and  is
redeemable at the redemption prices shown below:
- -------------------------------------------------------------------------------------------------

- -------------------------------------------------------------------------------------------------
Preferred Stock Not Subject to Mandatory Redemption:
(in millions)
- -------------------------------------------------------------------------------------------------
                                                         Redemption Price         December 31,
                                                           (per share)          1998        1997
Without par value and stated value of $100 per share--
<S>               <C>                                 <C>                      <C>         <C>
$7.64 Series     - 330,000 shares                      $103.82 - note (a)       $33         $33
$5.50 Series A   -  14,000 shares                       110.00                    1           1
$4.75 Series     -  20,000 shares                       102.176                   2           2
$4.56 Series     - 200,000 shares                       102.47                   20          20
$4.50 Series     - 213,595 shares                       110.00 - note (b)        21          21
$4.30 Series     -  40,000 shares                       105.00                    4           4
$4.00 Series     - 150,000 shares                       105.625                  15          15
$3.70 Series     -  40,000 shares                       104.75                    4           4
$3.50 Series     - 130,000 shares                       110.00                   13          13

Without par value and stated value of $25 per share--
$1.735 Series  - 1,657,500 shares                        25.00                   42          42
- -------------------------------------------------------------------------------------------------

TOTAL PREFERRED STOCK NOT
SUBJECT TO MANDATORY REDEMPTION                                                $155        $155
- -------------------------------------------------------------------------------------------------

(a) Beginning February 15, 2003, eventually declining to $100 per share.
(b) In the event of voluntary liquidation, $105.50.

- -------------------------------------------------------------------------------------------------
</TABLE>


NOTE 7 - Short-Term Borrowings

Short-term  borrowings  of the  Registrant  consist  of bank  loans  (maturities
generally on an overnight  basis) and  commercial  paper  (maturities  generally
within 10-45 days). At December 31, 1998 the Registrant had no

                                       28

<PAGE>

outstanding  short-term  borrowings.   At   December  31, 1997,  $21 million  of
short-term  borrowings were outstanding having a  weighted average interest rate
of 7.0%.

At  December  31,  1998,  the  Registrant  had  committed  bank  lines of credit
aggregating $137 million (all of which was unused) which make available  interim
financing at various rates of interest based on LIBOR,  the bank  certificate of
deposit rate, or other options. These lines of credit are  renewable annually at
various dates throughout the year.

NOTE 8 - Long-Term Debt

<TABLE>
<CAPTION>

Long-term debt outstanding at December 31, was:
- --------------------------------------------------------------------------------------------------
(in millions)                                                       1998                    1997
- --------------------------------------------------------------------------------------------------
First Mortgage Bonds - note (a)
- --------------------------------------------------------------------------------------------------
 <S>                                                                <C>                    <C> 
  6 3/4% Series due 1999                                             $100                   $100
  8.33%  Series due 2002                                               75                     75
  7.65%  Series due 2003                                              100                    100
  6 7/8% Series due 2004                                              188                    188
  7 3/8% Series due 2004                                               85                     85
  6 3/4% Series due 2008                                              148                    148
  7.40%  Series due 2020 - note (b)>                                   60                     60
  8 3/4% Series due 2021                                              125                    125
  8%     Series due 2022                                               85                     85
  8 1/4% Series due 2022                                              104                    104
  7.15%  Series due 2023                                               75                     75
  7%     Series due 2024                                              100                    100
  5.45%  Series due 2028 - note (b)>                                   44                     44
- --------------------------------------------------------------------------------------------------
                                                                    1,289                  1,289
- --------------------------------------------------------------------------------------------------
- --------------------------------------------------------------------------------------------------
Missouri Environmental Improvement Revenues Bonds
- --------------------------------------------------------------------------------------------------
  1984 Series A paid in 1998                                            -                     80
  1984 Series B paid in 1998                                            -                     80
  1985 Series A due 2015 - note (c)                                    70                     70
  1985 Series B due 2015 - note (c)                                    57                     57
  1991 Series due 2020 - note (c)                                      43                     43
  1992 Series due 2022 - note (c)                                      47                     47
  1998 Series A due 2033 - note (c)                                    60                      -
  1998 Series B due 2033 - note (c)                                    50                      -
  1998 Series C due 2033 - note (c)                                    50                      -
- --------------------------------------------------------------------------------------------------
                                                                      377                    377
- --------------------------------------------------------------------------------------------------
- --------------------------------------------------------------------------------------------------
Subordinated Deferrable Interest Debentures
- --------------------------------------------------------------------------------------------------
  7.69% Series A due 2036 - note (d)                                   66                     66
- --------------------------------------------------------------------------------------------------
Commercial Paper - note (e)                                             -                     35
- --------------------------------------------------------------------------------------------------
Nuclear Fuel Lease                                                     66                    117
- --------------------------------------------------------------------------------------------------
Unamortized Discount and Premium on Debt                               (7)                    (9)
- --------------------------------------------------------------------------------------------------
Maturities Due Within One Year                                       (117)                   (29)
- --------------------------------------------------------------------------------------------------
Total Long-Term Debt                                               $1,674                 $1,846
- --------------------------------------------------------------------------------------------------

 (a) At December  31,  1998,  substantially  all of the  property  and plant was
     mortgaged  under,  and  subject  to liens of,  the  respective  indentures
     pursuant to which the bonds were issued.
 (b) Environmental Improvement Series.
 (c) Interest rates, and the  periods  during  which  such  rates  apply,  vary
     depending on the Registrant's  selection of certain defined rate modes. The
     average interest rates for the year 1998 are as follows:
                   1985 Series A            3.47%
                   1985 Series B            3.72%
                   1991 Series              3.75%
                   1992 Series              3.63%
                   1998 Series A            3.54%
                   1998 Series B            3.50%
                   1998 Series C            3.57%
 (d) During the terms of the  debentures,  the  Registrant  may,  under certain
     circumstances, defer the payment of interest for up to five years.
 (e) A bank credit agreement,  due 2000, permits the Registrant to borrow  or to
     support  commercial  paper  borrowings  up to $300 million.  Interest rates
     will vary  depending on market  conditions.  At December 31, 1998, no such
     borrowings were outstanding.

</TABLE>

                                       29


<PAGE>

<TABLE>
<CAPTION>

Maturities of long-term debt through 2003 are as follows:
- -------------------------------------------------------------
(in millions)                               Principal Amount
- -------------------------------------------------------------
<S>                                                     <C> 
1999                                                    $117
2000                                                      -
2001                                                      -
2002                                                      75
2003                                                     100
- -------------------------------------------------------------
</TABLE>

Amounts for years  subsequent to 1999 do not include nuclear fuel lease payments
since the amounts of such payments are not currently determinable.

Also,  Ameren has a bank credit  agreement due 2003, which permits the borrowing
of up to $200 million on a long-term  basis.  This credit agreement is available
to Ameren and its  subsidiaries,  including the  Registrant.  As of December 31,
1998, $190 million was available for the Registrant's use.

NOTE 9 - Income Taxes

Total income tax expense for 1998  resulted in an  effective  tax rate of 40% on
earnings before income taxes (38% in 1997 and 39% in 1996).

<TABLE>
<CAPTION>

Principal reasons such rates differ from the statutory federal rate:
- ---------------------------------------------------------------------------------------------------
                                                       1998               1997              1996
- ---------------------------------------------------------------------------------------------------
<S>                                                    <C>                <C>               <C>
Statutory federal income                                 
  tax rate                                              35%                35%               35%
Increases (Decreases) from:
  Depreciation differences                               2                  2                 2
  State tax                                              4                  4                 4
  Other                                                 (1)                (3)               (2)
- ---------------------------------------------------------------------------------------------------
Effective income tax rate                               40%                 38%               39%
- ---------------------------------------------------------------------------------------------------

Income tax expense components:
- ---------------------------------------------------------------------------------------------------
(in millions)                                          1998               1997              1996
- ---------------------------------------------------------------------------------------------------
Taxes currently payable (principally
  Federal):
Included in operating expenses                        $237               $216              $199
Included in other income--
     Miscellaneous, net                                 (5)                (3)               (2)
- ---------------------------------------------------------------------------------------------------
                                                       232                213               197
Deferred taxes (principally federal):
Included in operating expenses--
     Depreciation differences                           (1)                (7)                2
     Other                                             (14)               (10)                2
Included in other income--
     Depreciation differences                            -                  1                 1
     Other                                               -                  9                 -
- ---------------------------------------------------------------------------------------------------
                                                       (15)                (7)                5
Deferred investment tax credits,
  Amortization
Included in operating expenses                          (5)                (6)               (6)
- ---------------------------------------------------------------------------------------------------
Total income tax expense                              $212               $200              $196
- ---------------------------------------------------------------------------------------------------

</TABLE>

In accordance with SFAS 109,  "Accounting for Income Taxes," a regulatory asset,
representing  the probable  recovery from customers of future income taxes which
is expected to occur when temporary differences reverse, was recorded along with
a  corresponding   deferred  tax  liability.   Also,  a  regulatory   liability,
recognizing  the lower  expected  revenue  resulting  from reduced  income taxes
associated  with amortizing  accumulated  deferred  investment tax credits,  was
recorded.  Investment  tax credits have been  deferred  and will  continue to be
credited to income over the lives of the related property.

                                       30

<PAGE>

The Registrant  adjusts its deferred tax  liabilities for changes enacted in tax
laws or rates.  Recognizing that regulators will probably reduce future revenues
for  deferred  tax  liabilities  initially  recorded  at rates in  excess of the
current  statutory rate;  reductions in the deferred tax liability were credited
to the regulatory liability.

<TABLE>
<CAPTION>

Temporary  differences  gave  rise to the  following  deferred  tax  assets  and
deferred tax liabilities at December 31:
- -----------------------------------------------------------------------------------------
(in millions)                                                     1998             1997
- -----------------------------------------------------------------------------------------
<S>                                                             <C>              <C>
Accumulated Deferred Income Taxes:
  Depreciation                                                   $814             $812
  Regulatory assets, net                                          465              451
  Capitalized taxes and expenses                                   68               84
  Deferred benefit costs                                          (48)             (46)
- -----------------------------------------------------------------------------------------
Total net accumulated deferred income tax liabilities          $1,299           $1,301
- -----------------------------------------------------------------------------------------
</TABLE>

NOTE 10 - Retirement Benefits

In 1998, the Registrant adopted SFAS 132, "Employers'  Disclosures about Pension
and Other Postretirement  Benefits," which resulted in revisions to the 1997 and
1996 information previously reported.

The Registrant has defined-benefit  retirement plans covering  substantially all
employees of AmerenUE as well as certain  employees of Ameren Services  Company.
Benefits  are based on the  employees'  years of service and  compensation.  The
Registrant's  plans are funded in  compliance  with income tax  regulations  and
federal funding requirements.

Pension costs for the years 1998, 1997 and 1996,  were $28 million,  $24 million
and $28  million,  respectively,  of  which  approximately  19%,  17%  and  19%,
respectively, was charged to construction accounts.

<TABLE>
<CAPTION>

Funded Status of Pension Plans:
- -----------------------------------------------------------------------------------------
 (in millions)                                                 1998             1997
- -----------------------------------------------------------------------------------------
<S>                                                           <C>              <C>
Change in benefit obligation
  Net benefit obligation at beginning of year                  $999             $919
  Service cost                                                   24               22
  Interest cost                                                  70               69
  Amendments                                                     10                -
  Actuarial loss                                                 38               42
  Special termination benefit charge                              7                -
  Benefits paid                                                 (88)             (53)
 ----------------------------------------------------------------------------------------
  Net benefit obligation at end of year                       1,060              999

Change in plan assets <F1>
  Fair value of plan assets at beginning of year              1,006              924
  Actual return on plan assets                                  122              134
  Employer contributions                                          1                1
  Benefits paid                                                 (88)             (53)
 ----------------------------------------------------------------------------------------
  Fair value of plan assets at end of year                    1,041            1,006

Funded status - (excess)/deficiency                              19               (7)
Unrecognized net actuarial gain                                 121              115
Unrecognized prior service cost                                 (73)             (69)
Unrecognized net transition assets                                6                7
- -----------------------------------------------------------------------------------------
Accrued pension cost at December 31                             $73              $46
- -----------------------------------------------------------------------------------------
<F1> Plan  assets  consist  principally  of  common  stocks  and  fixed   income
     securities.
</TABLE>

                                       31

<PAGE>

<TABLE>
<CAPTION>

Components of Net Periodic Benefit Cost:
- ---------------------------------------------------------------------------------------
(in millions)                                       1998           1997         1996
- ---------------------------------------------------------------------------------------
<S>                                                 <C>            <C>          <C>
Service cost                                         $24            $22          $22
Interest cost                                         70             69           65
Expected return on plan assets                       (75)           (71)         (66)
Amortization of:
      Transition asset                                (1)            (1)          (1)
      Prior service cost                               6              7            7
      Actuarial (gain)/loss                           (3)            (2)           1
 Special termination benefit charge                    7              -            -  
- ---------------------------------------------------------------------------------------
Net periodic benefit cost                            $28            $24           $28
- ---------------------------------------------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>

Weighted-average Assumptions for Actuarial Present Value of Projected Benefit Obligations:
- ------------------------------------------------------------------------------------------
                                                    1998           1997
- ---------------------------------------------------------------------------
<S>                                                <C>           <C>
Discount rate at measurement date                   6.75%            7%
Expected return on plan assets                       8.5%          8.5%
Increase in future compensation                        4%            4%
- ---------------------------------------------------------------------------
</TABLE>


In addition to providing  pension  benefits,  the  Registrant  provides  certain
health care and life insurance  benefits for retired  employees.  The Registrant
accrues the expected  postretirement  benefit costs during  employees'  years of
service.

The Registrant's  funding policy is to annually contribute the net periodic cost
to a Voluntary  Employee  Beneficiary  Association trust (VEBA).  Postretirement
benefit  costs were $43 million for 1998 and $44 million for both 1997 and 1996,
of which  approximately  17% were charged to  construction  accounts in 1998 and
1997, and 19% in 1996. The  Registrant's  transition  obligation at December 31,
1998 is being amortized over the next 14 years.

The MoPSC and the ICC allow the  recovery  of  postretirement  benefit  costs in
rates to the extent that such costs are funded. In December 1995, the Registrant
established  two external trust funds for retiree health care and life insurance
benefits. In 1998, 1997 and 1996, claims were paid out of the plan trust funds.

<TABLE>
<CAPTION>

Funded Status of the Plans:
- --------------------------------------------------------------------------------
 (in millions)                                         1998             1997
- --------------------------------------------------------------------------------
<S>                                                   <C>              <C>
Change in benefit obligation
  Net benefit obligation at beginning of year          $333             $311
  Service cost                                           14               12
  Interest cost                                          24               23
  Actuarial loss                                          9                5
  Benefits paid                                         (20)             (18)
  ------------------------------------------------------------------------------
  Net benefit obligation at end of year                 360              333

Change in plan assets <F1>
  Fair value of plan assets at beginning of year         81               47
  Actual return on plan assets                            8                9
  Employer contributions                                 44               44
  Unincorporated business income tax                     (3)              (1)
  Benefits paid                                         (20)             (18)
- --------------------------------------------------------------------------------
  Fair value of plan assets at end of year              110               81

Funded status - deficiency                              250              252
Unrecognized net actuarial gain                          11               18
Unrecognized prior service cost                          (3)               -
Unrecognized net transition obligation                 (175)            (187)
- --------------------------------------------------------------------------------
Postretirement benefit liability at December 31         $83              $83
- --------------------------------------------------------------------------------
<F1> Plan  assets  consist  principally  of  common  stocks  and  fixed   income
     securities.
</TABLE>

                                       32

<PAGE>

<TABLE>
<CAPTION>
Components of Net Periodic Benefit Cost:
- -----------------------------------------------------------------------------
(in millions)                                    1998       1997      1996
- -----------------------------------------------------------------------------
<S>                                             <C>        <C>       <C>
Service cost                                     $14        $12       $12
Interest cost                                     24         23        22
Expected return on plan assets                    (5)        (2)       (1)
Amortization of:
      Transition obligation                       12         12        12
      Actuarial gain                              (2)        (1)       (1)
- -----------------------------------------------------------------------------
Net periodic benefit cost                        $43        $44       $44
- -----------------------------------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>
Assumptions for the Obligation Measurements:
- -----------------------------------------------------------------------------
                                                         1998         1997
- -----------------------------------------------------------------------------
<S>                                                     <C>             <C>
Discount rate at measurement date                        6.75%           7%
Expected return on plan assets                            8.5%         8.5%
Medical cost trend rate - initial                        5.75%           7%
                        - ultimate                       4.75%           5%
Ultimate medical cost trend rate expected in year         2000         2000
- -----------------------------------------------------------------------------
</TABLE>

A 1% increase in the medical  cost trend rate is  estimated  to increase the net
periodic   cost   and  the   accumulated   postretirement   benefit   obligation
approximately  $4 million and $29  million,  respectively.  A 1% decrease in the
medical cost trend rate is  estimated to decrease the net periodic  cost and the
accumulated  postretirement benefit obligation  approximately $4 million and $29
million, respectively.

NOTE 11 - Commitments and Contingencies

The  Registrant  is  engaged  in a  capital  program  under  which  expenditures
averaging approximately $292 million, including AFC, are anticipated during each
of the next  five  years.  This  estimate  includes  expenditures  that  will be
incurred  by the  Registrant  to meet new air  quality  standards  for ozone and
particulate matter, as discussed later in this Note.

The  Registrant  has  commitments  for  the  purchase  of coal  under  long-term
contracts.  Coal contract commitments,  including transportation costs, for 1999
through  2003 are  estimated  to  total  $877  million.  Total  coal  purchases,
including  transportation costs, for 1998, 1997 and 1996 were $304 million, $267
million  and $297  million,  respectively.  The  Registrant  also  has  existing
contracts  with  pipeline and natural gas  suppliers to provide,  transport  and
store  natural  gas  for  distribution  and  electric  generation.   Gas-related
contracted  cost  commitments  for 1999 through 2003 are  estimated to total $51
million.  Total  delivered  natural gas costs were $50 million for 1998, and $64
million for both 1997 and 1996. The  Registrant's  nuclear fuel  commitments for
1999 through 2003, including uranium  concentrates,  conversion,  enrichment and
fabrication, are expected to total $107 million, and are expected to be financed
under the nuclear fuel lease.  Nuclear fuel expenditures for 1998, 1997 and 1996
were $20 million, $35 million and $51 million,  respectively.  Additionally, the
Registrant  has long-term  contracts with other  utilities to purchase  electric
capacity.  These  commitments  for 1999 through 2003 are estimated to total $179
million.  During  1998,  1997 and 1996,  electric  capacity  purchases  were $35
million, $34 million and $44 million, respectively.

The Registrant's  insurance  coverage for Callaway Nuclear Plant at December 31,
1998, was as follows:

                                       33


<PAGE>

<TABLE>
<CAPTION>
Type and Source of Coverage
- --------------------------------------------------------------------------------
(in millions)                                   Maximum             Maximum
                                              Coverages         Assessments
                                                                 For Single
                                                                  Incidents
- --------------------------------------------------------------------------------
<S>                                              <C>                 <C>
Public Liability:
     American Nuclear Insurers                  $   200               $  -
     Pool Participation                           9,602                 88  <F1>
- --------------------------------------------------------------------------------
                                                $ 9,802  <F2>         $ 88
- --------------------------------------------------------------------------------
Nuclear Worker Liability:
     American Nuclear Insurers                  $   200  <F3>         $  3
- --------------------------------------------------------------------------------
Property Damage:
     Nuclear Electric Insurance Ltd.            $ 2,750  <F4>         $ 13
- --------------------------------------------------------------------------------
Replacement Power:
     Nuclear Electric Insurance Ltd.            $   494  <F5>         $  3
- --------------------------------------------------------------------------------
<FN>
<F1>  Retrospective premium under the Price-Anderson liability provisions of the
      Atomic  Energy Act of 1954,  as  amended,  (Price-  Anderson).  Subject to
      retrospective assessment with respect to loss from an incident at any U.S.
      reactor, payable at $10 million per year. Price-Anderson expires in 2002.
<F2>  Limit of liability for each incident under Price-Anderson.
<F3>  Industry limit  for potential liability  from workers claiming exposure to
      the hazard of nuclear radiation.
<F4>  Includes premature decommissioning costs.
<F5>  Weekly  indemnity of $3.5 million,  for 58 weeks which commences after the
      first 17 weeks of an outage,  plus  $2.8 million  per week for  104  weeks
      thereafter.
</FN>
- --------------------------------------------------------------------------------
</TABLE>

Price-Anderson  limits the liability  for claims from an incident  involving any
licensed  U.S.  nuclear  facility.  The limit is based on the number of licensed
reactors and is adjusted at least every five years based on the  Consumer  Price
Index.  Utilities  owning a  nuclear  reactor  cover  this  exposure  through  a
combination  of private  insurance  and mandatory  participation  in a financial
protection pool as established by Price-Anderson.

If losses from a nuclear  incident at Callaway  exceed the limits of, or are not
subject to,  insurance,  or if coverage is not available,  the  Registrant  will
self-insure  the risk.  Although the  Registrant  has no reason to  anticipate a
serious  nuclear  incident,  if one did  occur  it  could  have a  material  but
indeterminable adverse effect on the Registrant's financial position, results of
operations or liquidity.

Under the Title IV of the Clean Air Act  Amendments of 1990,  the  Registrant is
required to significantly  reduce total annual sulfur dioxide (SO2) and nitrogen
oxide (NOx) emissions by the year 2000. By switching to low-sulfur  coal,  early
banking of  emission  credits  and  installing  low NOx burner  technology,  the
majority of these reductions have been achieved.

In July 1997,  the United States  Environmental  Protection  Agency (EPA) issued
final regulations  revising the National Ambient Air Quality Standards for ozone
and  particulate  matter.  The new ambient  standards may result in  significant
additional  reductions  in SO2 and NOx  emissions  from the  Registrant's  power
plants. The new particulate matter standards may require SO2 reductions of up to
50% beyond that already required by Phase II acid rain control provisions of the
1990 Clean Air Act Amendments and could be required by 2007. The full details of
these  requirements  are  under  study  by the  Registrant.  At this  time,  the
Registrant is unable to predict the ultimate impact of these revised air quality
standards on its future financial condition, results of operations or liquidity.

In an attempt to lower ozone levels across the eastern  United  States,  the EPA
issued final  regulations  in September  1998  pertaining to NOx emissions  from
coal-fired boilers and other sources in 22 states, including Missouri (where all
of the  Registrant's  coal-fired  power  plant  boilers are  located).  Although
reduction requirements in NOx emissions from the Registrant's coal-fired boilers
are  anticipated  to exceed 75 percent from 1990 levels by the year 2003,  it is
not yet possible to determine  the exact  magnitude of the  reductions  required
from the  Registrant's  power  plants  because  each state has up to one year to
develop a plan to comply with the EPA rule. The NOx emissions reductions already
achieved on several of the  Registrant's  coal-fired  power  plants will help to
reduce  the costs of  compliance  with  this  regulation.  However,  preliminary
analysis  of  the  regulations   indicate  that  selective  catalytic  reduction
technology will be required for some of the Registrant's units, as well as other
additional controls.

Currently,  the Registrant estimates that its additional capital expenditures to
comply with the EPA's final  regulations  issued in September 1998,  could range
from $125 million to $175 million over the period from 1999 to 2002.  Associated
operations and maintenance  expenditures could increase $5 million to $8 million
annually,  beginning in 2003. The Registrant will explore alternatives to comply
with these new regulations in order to minimize, to the
                                       34

<PAGE>

extent  possible,  its  capital costs  and operating  expenses.  The  Registrant
is unable to  predict  the  ultimate  impact of these  standards  on its  future
financial condition, results of operations or liquidity.

In November  1998,  the United  States signed an agreement  with numerous  other
countries (the Kyoto  Protocol)  containing  certain  environmental  provisions,
which would require  decreases in  greenhouse  gases in an effort to address the
"global warming" issue. The Kyoto Protocol must be ratified by the United States
Senate before provisions are effective for the United States. Until ratification
is obtained, the Registrant is unable to predict what requirements, if any, will
be adopted in this country; however, implementation of the Kyoto Protocol in its
present form would  likely  result in  significantly  higher  capital  costs and
operations  and  maintenance  expenses  by the  Registrant.  At this  time,  the
Registrant  is  unable  to  determine  the  impact  of  these  proposals  on the
Registrant's future financial condition, results of operations or liquidity.

As of  December  31,  1998,  the  Registrant  was  designated  as a  potentially
responsible party (PRP) by federal and state  environmental  protection agencies
at four hazardous waste sites.  Other hazardous waste sites have been identified
for which the Registrant may be responsible but has not been designated a PRP.

Costs  relating to studies and  remediation  at the site located in Illinois are
being accrued and deferred  rather than  expensed  currently,  pending  recovery
through rates. The ICC has instituted a reconciliation  proceeding to review the
Registrant's  environmental remediation activities through 1996 and to determine
whether the revenues collected from customers under its environmental adjustment
clause  rate  riders  were  consistent  with the  amount  of  remediation  costs
prudently and properly incurred. Amounts found to have been incorrectly included
under the riders  would be subject  to  refund.  A ruling  from the ICC is still
pending with respect to this proceeding.  The reconciliation proceeding relating
to the Registrant's 1997 environmental  remediation  activities was commenced in
April 1998, but has not yet been submitted to the ICC for a decision.

The Registrant  continually  reviews  remediation costs that may be required for
all of these sites. Any unrecovered environmental costs are not expected to have
a material adverse effect on the  Registrant's  financial  position,  results of
operations or liquidity.

Certain  employees  of the  Registrant  are  represented  by  the  International
Brotherhood  of  Electrical  Workers and the  International  Union of  Operating
Engineers.  These  employees  comprise  approximately  75% of  the  Registrant's
workforce.   The  collective   bargaining   agreements  covering  97%  of  these
represented  employees expire in July 1999.  Preliminary  discussions with these
collective bargaining units are currently underway. At this time, the Registrant
is unable to predict the impact of these  negotiations  on its future  financial
condition, results of operations or cash flows.

Regulatory  changes enacted and being considered at the federal and state levels
continue to change the structure of the utility industry and utility regulation,
as well as encourage  increased  competition.  At this time,  the  Registrant is
unable  to  predict  the  impact of these  changes  on the  Registrant's  future
financial condition, results of operations or liquidity. See Note 2 - Regulatory
Matters for further information.

The Registrant is involved in other legal and administrative  proceedings before
various  courts and  agencies  with  respect to matters  arising in the ordinary
course of business,  some of which involve substantial  amounts.  The Registrant
believes  that  the  final  disposition  of  these  proceedings  will not have a
material  adverse  effect on its  financial  position,  results of operations or
liquidity.

NOTE 12 - Callaway Nuclear Plant

Under the Nuclear  Waste Policy Act of 1982,  the  Department of Energy (DOE) is
responsible  for the permanent  storage and disposal of spent nuclear fuel.  The
DOE  currently  charges  one mill per  nuclear-generated  kilowatthour  sold for
future disposal of spent fuel.  Electric rates charged to customers  provide for
recovery of such costs.  The DOE is not expected to have its  permanent  storage
facility  for spent fuel  available  until at least  2015.  The  Registrant  has
sufficient storage capacity at Callaway site until 2004 and is pursuing a viable
storage  alternative.   This  alternative  has  been  approved  by  the  Nuclear
Regulatory Commission, and when implemented,  will provide sufficient spent fuel
storage for the  licensed  life of the plant.  The delayed  availability  of the
DOE's  disposal  facility is not  expected  to  adversely  affect the  continued
operation of Callaway Plant.

Electric  rates  charged to  customers  provide for  recovery of Callaway  Plant
decommissioning  costs over the life of the plant,  based on an assumed  40-year
life,  ending with  expiration  of the plant's  operating  license in 2024.  The
Callaway  site is  assumed  to be  decommissioned  using  the  DECON  (immediate
dismantlement)  method.   Decommissioning   costs,  including   decontamination,
dismantling and site restoration, are estimated to be $485

                                       35

<PAGE>

million in  current  year dollars  and are  expected to  escalate  approximately
4% per year through the end of decommissioning activity in 2033. Decommissioning
costs are charged to  depreciation  expense  over  Callaway's  service  life and
amounted  to $7 million in each of the years  1998,  1997 and 1996.  Every three
years,  the MoPSC  requires  the  Registrant  to file  updated  cost studies for
decommissioning  Callaway,  and electric  rates may be adjusted at such times to
reflect changed  estimates.  The latest study was filed in 1996. Costs collected
from customers are deposited in an external trust fund to provide for Callaway's
decommissioning.  Fund earnings are expected to average 9.25%  annually  through
the date of  decommissioning.  If the  assumed  return  on trust  assets  is not
earned,  the  Registrant  believes it is probable that such earnings  deficiency
will be recovered in rates. Trust fund earnings, net of expenses,  appear on the
consolidated  balance  sheet as increases in the nuclear  decommissioning  trust
fund and in the accumulated provision for nuclear decommissioning.

The staff of the SEC has questioned certain current accounting  practices of the
electric  utility   industry,   regarding  the   recognition,   measurement  and
classification of decommissioning  costs for nuclear generating  stations in the
financial statements of electric utilities. In response to these questions,  the
Financial  Accounting  Standards  Board has agreed to review the  accounting for
removal costs,  including  decommissioning.  The Registrant does not expect that
changes in the accounting for nuclear decommissioning costs will have a material
effect on its financial position, results of operations or liquidity.

NOTE 13 - Fair Value of Financial Instruments

The following  methods and  assumptions  were used to estimate the fair value of
each class of financial instruments for which it is practicable to estimate that
value.

Cash and Temporary Investments/Short-Term Borrowings
The carrying amounts  approximate fair value because of the short-term  maturity
of these instruments.

Nuclear Decommissioning Trust Fund
The fair value is estimated based on quoted market prices for securities.

Preferred Stock
The fair value is estimated  based on the quoted  market  prices for the same or
similar issues.

Long-Term Debt
The fair  value is  estimated  based on the  quoted  market  prices  for same or
similar  issues or on the current  rates offered to the  Registrant  for debt of
comparable maturities.


<TABLE>
<CAPTION>
Carrying amounts and estimated fair values of the Registrant's financial instruments at December 31:
                                                        1998                    1997
- -------------------------------------------------------------------------------------------
(in millions)                                  Carrying       Fair     Carrying        Fair
                                                 Amount      Value       Amount       Value
- -------------------------------------------------------------------------------------------
<S>                                              <C>        <C>          <C>         <C> 
Preferred stock                                    $155       $160         $155        $143
Long-term debt (including current portion)        1,791      1,919        1,875       1,969
- -------------------------------------------------------------------------------------------
</TABLE>

The Registrant has  investments in debt and equity  securities  that are held in
trust funds for the purpose of funding the nuclear  decommissioning  of Callaway
Nuclear  Plant  (see Note 12 -  Callaway  Nuclear  Plant).  The  Registrant  has
classified these investments in debt and equity securities as available for sale
and has recorded all such investments at their fair market value at December 31,
1998 and 1997. In 1998, 1997 and 1996, the proceeds from the sale of investments
were $29 million, $24 million and $20 million, respectively.  Using the specific
identification method to determine cost, the gross realized gains on those sales
were  approximately  $2 million  for both 1998 and 1997 and $1 million for 1996.
Net realized and  unrealized  gains and losses are reflected in the  accumulated
provision for nuclear  decommissioning on the balance sheet, which is consistent
with the method used by the Registrant to account for the decommissioning  costs
recovered in rates.

                                       36

<PAGE>

<TABLE>
<CAPTION>
Costs and fair  values  of  investments  in debt and  equity  securities  in the
nuclear decommissioning trust fund at December 31 were as follows:
- --------------------------------------------------------------------------------
1998 (in millions)                                   Gross Unrealized
Security Type                       Cost       Gain        (Loss)     Fair Value
- --------------------------------------------------------------------------------
<S>                                 <C>         <C>         <C>            <C>
Debt Securities                      $48         $4          $ -            $52
Equity Securities                     46         62            -            108
Cash equivalents                       2          -            -              2
- --------------------------------------------------------------------------------
                                     $96        $66          $ -           $162
- --------------------------------------------------------------------------------

- --------------------------------------------------------------------------------
1997 (in millions)                                    Gross Unrealized
Security Type                      Cost        Gain        (Loss)     Fair Value
- --------------------------------------------------------------------------------
Debt Securities                     $34         $ 3          $ -            $37
Equity Securities                    43          40            -             83
Cash equivalents                      2           -            -              2
- --------------------------------------------------------------------------------
                                    $79         $43          $ -           $122
- --------------------------------------------------------------------------------
</TABLE>

<TABLE>
<CAPTION>
The  contractual  maturities of investments  in debt  securities at December 31,
1998, were as follows:
- --------------------------------------------------------------------------------
(in millions)                                           Cost          Fair Value
- --------------------------------------------------------------------------------
<S>                                                      <C>                <C>
1 year to 5 years                                         $3                 $3
5 years to 10 years                                       21                 22
Due after 10 years                                        24                 27
- --------------------------------------------------------------------------------
                                                         $48                $52
- --------------------------------------------------------------------------------
</TABLE>



                                    PART III

ITEM 10. DIRECTORS AND EXECUTIVE OFFICERS OF THE REGISTRANT.

     Any information  concerning  directors required to be reported by this item
is included  under "Item (1):  Election of  Directors"  in UE's 1999  definitive
proxy statement  filed pursuant to Regulation 14A and is incorporated  herein by
reference.

     Information concerning executive officers required by this item is reported
in Part I of this Form 10-K.


ITEM 11. EXECUTIVE COMPENSATION.

     Any  information  required to be  reported  by this item is included  under
"Compensation"  in UE's  1999  definitive  proxy  statement  filed  pursuant  to
Regulation 14A and is incorporated herein by reference.


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

     Any  information  required to be  reported  by this item is included  under
"Security Ownership of Management" in UE's 1999 definitive proxy statement filed
pursuant to Regulation 14A and is incorporated herein by reference.

                                       37

<PAGE>

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS.

     Any  information  required to be  reported  by this item is included  under
"Item (1):  Election of Directors" in UE's 1999 definitive proxy statement filed
pursuant to Regulation 14A and is incorporated herein by reference.


                                     PART IV

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

   (a) The following documents are filed as a part of this report:

   1.  Financial Statements and Financial Statement Schedule Covered by
       Report of Independent Accountants

                                                                    Pages Herein
                                                                    ------------
       Report of Independent Accountants.................................. 18
       Balance Sheet - December 31, 1998 and 1997......................... 19
       Statement of Income - Years 1998, 1997, and 1996................... 20
       Statement of Cash Flows - Years 1998, 1997, and 1996............... 21
       Statement of Retained Earnings - Years 1998, 1997, and 1996........ 22
       Notes to Financial Statements...................................... 23
       Valuation and Qualifying Accounts (Schedule II)
         Years 1998, 1997, and 1996....................................... 39


       Schedules not included have been omitted because they are not  applicable
       or the required data is shown in the aforementioned financial statements.


   2.  Exhibits:  See EXHIBITS beginning on Page 41

   b)  Reports on Form 8-K.  The  Registrant  filed a report  on Form 8-K  dated
       October 8, 1998 reporting on  the impact of Ameren Corporation's  (parent
       company of the Registrant)  employee separation plan and on the effect of
       the  final  rule  issued  in   September  1998  by  the   United   States
       Environmental Protection Agency pertaining to nitrogen oxide emissions.

                                       38

<PAGE>




<TABLE>
<CAPTION>

                                                                     UNION ELECTRIC COMPANY
                                                         SCHEDULE II - VALUATION AND QUALIFYING ACCOUNTS
                                                      FOR THE YEARS ENDED DECEMBER 31, 1998, 1997 AND 1996



              Col. A                                     Col. B                 Col. C              Col. D        Col. E
              ------                                     ------                 ------              ------        ------


                                                                               Additions 
                                                                     --------------------------------             
                                                                        (1)            (2)
                                                        Balance at   Charged to                                  Balance at
                                                        beginning    costs and     Charged to                      end of
           Description                                  of period     expenses   other accounts    Deductions      period
           -----------                                  ---------    ---------   --------------    ----------      ------
                                                                                                      (Note)
                                                                                                                
<S>                                                    <C>          <C>                           <C>            <C> 
Year ended December 31, 1998

Reserves deducted in the balance sheet from
 assets to which they apply:

    Allowance for doubtful accounts                     $3,645,328   $16,900,000                    $13,866,906   $6,678,422
                                                        ==========   ===========                    ===========   ==========



Year ended December 31, 1997

Reserves deducted in the balance sheet from
 assets to which they apply:

    Allowance for doubtful accounts                     $5,195,332   $10,860,000                    $12,410,004   $3,645,328
                                                        ==========   ===========                    ===========   ==========


Year ended December 31, 1996

Reserves deducted in the balance sheet from
 assets to which they apply:

    Allowance for doubtful accounts                     $6,924,965   $12,100,000                    $13,829,633   $5,195,332
                                                        ==========   ===========                    ===========   ==========



Note:  Uncollectible accounts charged off, less recoveries.
</TABLE>

                                       39


<PAGE>




                                   SIGNATURES

     Pursuant  to the  requirements  of  Section  13 or 15(d) 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.

                                                UNION ELECTRIC COMPANY
                                                    (Registrant)

                                                CHARLES W. MUELLER
                                                   President and
                                                Chief Executive Officer

Date  March 29, 1999                            By   /s/ Steven R. Sullivan  
      --------------                            ---------------------------
                                          (Steven R. Sullivan, Attorney-in-Fact)

            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 date indicated.

   Signature                                                Title
   ---------                                                ------
/s/ C. W. Mueller                President, Chief Executive Officer and Director
- ----------------------
CHARLES W. MUELLER                                 (Principal Executive Officer)

/s/ Donald E. Brandt                          Senior Vice President and Director
- ----------------------
DONALD E. BRANDT                    (Principal Financial and Accounting Officer)

/s/ Warner L. Baxter                               Vice President and Controller
- ----------------------
WARNER L. BAXTER                                  (Principal Accounting Officer)

/s/ Paul A. Agathen                                                     Director
- ----------------------
PAUL A. AGATHEN

/s/ Gary L. Rainwater                                                   Director
- ----------------------
GARY L. RAINWATER

/s/ Charles J. Schukai                                                  Director
- ----------------------
CHARLES J. SCHUKAI



                       By     /s/ Steven R. Sullivan          March 29, 1999
                              --------------------------
                              (Steven R. Sullivan, Attorney-in-Fact)

                                       40


<PAGE>



                                    EXHIBITS

                             Exhibits Filed Herewith
                             -----------------------

Exhibit No.                        Description
- -----------                        -----------

     3(ii) - By-Laws of the Company as amended effective December 14, 1998.

     12    - Statement re Computation of Ratio of Earnings to  Fixed Charges and
             Preferred Stock Dividend Requirements.

     24    - Powers of Attorney.

     27    - Financial Data Schedule.

     


                                  41


<PAGE>



                       Exhibits Incorporated By Reference
                       ----------------------------------

     The following  exhibits  heretofore have been filed with the Securities and
Exchange  Commission  pursuant to requirements  of the Acts  administered by the
Commission. Such exhibits are identified by the references following the listing
of each such exhibit, and they are hereby incorporated herein by reference.

Exhibit No.                                    Description

  2     - Agreement and Plan of Merger,  dated  as of  August 11, 1995,  by  and
          among Union Electric Company, CIPSCO Incorporated, Ameren Corporation,
          and  Arch  Merger Inc. (June 30, 1995  Form 10-Q/A  (Amendment No. 1),
          Exhibit 2(a).)

  3(i)  - Restated Articles of Incorporation of the Company,  as filed  with the
          Secretary of State of the State of Missouri.  (1993 Form 10-K, Exhibit
          3(i).)

  3(ii) - By-Laws of the Company  as amended to  August 11, 1995. (June 30, 1995
          Form 10-Q/A (Amendment No. 2), Exhibit 3(ii).)

  4.1   - Order of the Securities and Exchange Commission dated October 16, 1945
          in File No. 70-1154  permitting the issue of  Preferred  Stock,  $3.70
          Series. (Registration No. 2-27474, Exhibit 3-E.)

  4.2   - Order of the Securities and  Exchange Commission dated  April 30, 1946
          in File No. 70-1259  permitting the  issue of  Preferred Stock,  $3.50
          Series. (Registration No. 2-27474, Exhibit 3-F.)

  4.3   - Order of the Securities and Exchange Commission dated October 20, 1949
          in File No. 70-2227  permitting the  issue of  Preferred Stock,  $4.00
          Series. (Registration No. 2-27474, Exhibit 3-G.)

  4.4   - Indenture of Mortgage and Deed of Trust of the Company  dated June 15,
          1937, as amended May 1, 1941, and Second  Supplemental Indenture dated
          May 1, 1941. (Registration No. 2-4940, Exhibit B-1.)

  4.5   - Supplemental Indentures to Mortgage

         Dated as of                File Reference                   Exhibit No.
         -----------                --------------                   -----------
         March 1, 1967              2-58274                             2.9
         April 1, 1971              Form 8-K, April 1971                6
         February 1, 1974           Form 8-K, February 1974             3
         July 7, 1980               2-69821                             4.6
         May 1, 1990                Form 10-K, 1990                     4.6
         December 1, 1991           33-45008                            4.4
         December 4, 1991           33-45008                            4.5
         January 1, 1992            Form 10-K, 1991                     4.6
         October 1, 1992            Form 10-K, 1992                     4.6
         December 1, 1992           Form 10-K, 1992                     4.7
         February 1, 1993           Form 10-K, 1992                     4.8
         May 1, 1993                Form 10-K, 1993                     4.6
         August 1, 1993             Form 10-K, 1993                     4.7
         October 1, 1993            Form 10-K, 1993                     4.8
         January 1, 1994            Form 10-K, 1993                     4.9
         December 1, 1996           Form 10-K, 1996                     4.36

                                       42

<PAGE>

Exhibit No.                                    Description
- -----------                                    -----------

  4.6   - Series A Agreement of Sale dated as of June 1, 1984 between the  State
          Environmental Improvement and Energy  Resources Authority of the State
          of  Missouri  and the  Company,  together  with  Letter of Credit  and
          Reimbursement  Agreement  dated as of  June 1, 1984 between  Citibank,
          N.A. and the Company and Series A Trust Indenture dated as of  June 1,
          1984  between  the  Authority  and  Mercantile  Trust Company National
          Association, as trustee. (Registration No. 2-96198, Exhibit 4.25.)

  4.7   - Reimbursement  Agreement dated as of April 21, 1992  among  Swiss Bank
          Corporation,  various financial institutions, and the Company, provid-
          ing for an alternate letter of credit to serve as a source of  payment
          for bonds issued under the Series A Trust Indenture dated as of June 1
          , 1984. (1992 Form 10-K, Exhibit 4.23.)

  4.8   - Series B Agreement of Sale dated as of June 1, 1984  between the State
          Environmental Improvement and Energy  Resources Authority of the State
          of Missouri and the  Company,  together with  Reimbursement  Agreement
          dated as of  June 1, 1984 between  Chemical Bank  and the  Company and
          Series B Trust Indenture dated as of June 1, 1984 between the Authori-
          ty and  Mercantile  Trust  Company  National  Association, as trustee.
          (Registration No. 2-96198, Exhibit 4.26.)

  4.9   - Reimbursement Agreement dated as of April 22, 1988 between  Union Bank
          of Switzerland and the Company,  providing  for an alternate letter of
          credit to serve as a source of payment  for  bonds  issued  under  the
          Series B Trust Indenture dated as of June 1, 1984. (June 30, 1988 Form
          10-Q, Exhibit 4.2.)

  4.10  - Amendment  and  Extension  Agreement  dated  as of June 1, 1990 to the
          Reimbursement Agreement dated as of April 22,  1988 between Union Bank
          of Switzerland and the Company. (1990 Form 10-K, Exhibit 4.29.)

  4.11  - Amendment and  Extension Agreement  dated as of  June 1, 1991  to  the
          amended  Reimbursement Agreement  dated as of April 22,  1988  between
          Union Bank of  Switzerland and the  Company.  (1992 Form 10-K, Exhibit
          4.27.)

  4.12  - Amendment  Agreement  dated  as  of  June  1,  1992  to  the   amended
          Reimbursement Agreement dated as of April 22, 1988  between Union Bank
          of Switzerland and the Company. (1992 Form 10-K, Exhibit 4.28.)

  4.13  - Series 1985 A  Reaffirmation  Agreement  and  Second   Supplement   to
          Agreement of Sale dated as of June 1, 1985 between the State  Environ-
          mental Improvement  and  Energy  Resources  Authority of  the State of
          Missouri and the Company,  together with  Series 1985 A  Reimbursement
          Agreement dated as of June 1, 1985 between Union  Bank of  Switzerland
          and  the Company and Series 1985 A Trust Indenture dated as of June 1,
          1985 between the Authority and Mercantile Trust Company National Asso-
          ciation, as trustee and Texas Commerce Bank  National Association,  as
          co-trustee. (June 30, 1985 Form 10-Q, Exhibit 4.1.)

  4.14  - Amendment and  Extension  Agreement dated as of June 1, 1988  revising
          the  Reimbursement  Agreement  dated as of June 1, 1985  between Union
          Bank of Switzerland and the Company. (June 30, 1988 Form 10-Q, Exhibit
          4.4.)

  4.15  - Amendment and Extension Agreement  dated as of  June 1, 1990  revising
          the  Reimbursement  Agreement  dated  as  of June 1, 1985, as amended,
          between  Union Bank of Switzerland and the  Company.  (1990 Form 10-K,
          Exhibit 4.37.)

                                       43


<PAGE>

Exhibit No.                                    Description
- -----------                                    -----------

  4.16  - Amendment and  Extension Agreement  dated as of  June 1, 1991  to  the
          amended Reimbursement Agreement dated as of June 1, 1985 between Union
          Bank of Switzerland and the Company. (1992 Form 10-K, Exhibit 4.32.)

  4.17  - Amendment Agreement dated as of June 1, 1992 to the amended Reimburse-
          ment Agreement dated as of June 1, 1985 between Union Bank of Switzer-
          land and the Company. (1992 Form 10-K, Exhibit 4.33.)

  4.18  - Series 1985 B Reaffirmation Agreement and  Third  Supplement to Agree-
          ment of Sale dated as of June 1, 1985 between  the State Environmental
          Improvement  and  Energy  Resources Authority of the State of Missouri
          and the Company,   together with Series 1985 B Reimbursement Agreement
          dated as of June 1, 1985 between  The Long-term Credit Bank of  Japan,
          Limited and the Company and Series 1985 B Trust Indenture dated as  of
          June 1, 1985  between  the  Authority  and  Mercantile  Trust  Company
          National Association,  as trustee and  Texas  Commerce  Bank  National
          Association, as co-trustee. (June 30, 1985 Form 10-Q, Exhibit 4.2.)

  4.19  - Reimbursement  Agreement  dated   as  of  February  1,  1993   between
          Westdeutsche Landesbank Girozentrale and the Company, providing for an
          alternate letter of credit to serve as a source of  payment  for bonds
          issued  under the Series  1985 B Trust Indenture  dated  as of June 1,
          1985. 1992 Form 10-K, Exhibit 4.35.)

  4.20  - Loan Agreement dated as of May 1, 1990 between the State Environmental
          Improvement and Energy Resources Authority of the  State  of  Missouri
          and the Company,  together with Indenture of Trust dated as of  May 1,
          1990 between the  Authority and Mercantile Bank of St. Louis, N.A., as
          trustee. (1990 Form 10-K, Exhibit 4.40.)

  4.21  - Loan  Agreement  dated   as  of  December 1, 1991  between  the  State
          Environmental  Improvemen  and  Energy Resources  Authority  and   the
          Company, together with Indenture of Trust dated as of December 1, 1991
          between  the  Authority and  Mercantile  Bank of  St. Louis,  N.A., as
          trustee. (1992 Form 10-K, Exhibit 4.37.)

  4.22  - Loan  Agreement  dated  as  of  December 1, 1992,  between  the  State
          Environmental Improvement and Energy Resources Authority  and the Com-
          pany,  together with Indenture of Trust  dated as of  December 1, 1992
          between  the  Authority  and  Mercantile  Bank  of St. Louis, N.A., as
          trustee. (1992 Form 10-K, Exhibit 4.38.)

  4.23  - Fuel  Lease  dated as of  February 24, 1981  between  the  Company, as
          lessee,  and Gateway Fuel Company,  as lessor,  covering nuclear fuel.
          (1980 Form 10-K, Exhibit 10.20.)

  4.24  - Amendments to Fuel Lease dated as of May 8, 1984 and October 15, 1984,
          respectively, between the Company, as lessee, and Gateway Fuel Company
          , as lessor, covering nuclear fuel. (Registration No. 2-96198, Exhibit
          4.28.)

  4.25  - Amendment to  Fuel  Lease  dated as of  October 15, 1986  between  the
          Company,  as lessee,  and Gateway Fuel Company,  as  lessor,  covering
          nuclear fuel. (September 30, 1986 Form 10-Q, Exhibit 4.3.)

  4.26  - Credit  Agreement  dated as of August  15,  1989  among  the  Company,
          Certain  Lenders,  The  First  National  Bank  of  Chicago,  as  Agent
          and  Swiss  Bank  Corporation, Chicago Branch, as Co-Agent. (September
          30, 1989 Form 10-Q, Exhibit 4.)

                                       44

<PAGE>

Exhibit No.                                    Description
- -----------                                    -----------

  4.27  - Series 1998A Loan Agreement dated as of September 1, 1998  between The
          State Environmental Improvement and Energy Resources  Authority of the
          State  of  Missouri  and  the  Company. (September 30, 1998 Form 10-Q,
          Exhibit 4.28.)

  4.28  - Series 1998B Loan Agreement dated as of September 1, 1998  between The
          State Environmental Improvement and Energy Resources  Authority of the
          State  of  Missouri  and  the  Company. (September 30, 1998 Form 10-Q,
          Exhibit 4.29.)

  4.29  - Series 1998C Loan Agreement  dated as of September 1, 1998 between The
          State Environmental Improvemen  and Energy Resources Authority of  the
          State  of  Missouri  and  the  Company. (September 30, 1998 Form 10-Q,
          Exhibit 4.30.)

  10.1  - Ameren Long-Term Incentive Plan of 1998. (Ameren's 1998 Form 10-K, Ex-
          hibit 10.1.)

  10.2  - Ameren Change of Control Severance Plan. (Ameren's 1998 Form 10-K, Ex-
          hibit 10.2.)

  10.3  - Ameren Deferred Compensation Plan for Members of the Ameren Leadership
          Team. (Ameren's 1998 Form 10-K, Exhibit 10.3.)

  10.4  - Ameren  Deferred  Compensation  Plan  for  Members  of  the  Board  of
          Directors. (Ameren's 1998 Form 10-K, Exhibit 10.4.)

Note: Reports of the Company on  Forms 8-K,  10-Q and 10-K are on file  with the
      SEC under File Number 1-2967.

      Reports of Ameren  on Form 10-K are on file with the SEC under File Number
      1-14756.


                                       45






                             UNION ELECTRIC COMPANY


                                   ___________


                                  B Y - L A W S

                         As Amended to December 14, 1998


                                   ___________

                                   ARTICLE I.
                                   ----------

                                  Stockholders

     Section 1. The annual meeting of the  stockholders  of the Company shall be
held on the Thursday  preceding the fourth  Tuesday of April in each year (or if
said  day be a  legal  holiday,  then  on the  next  succeeding  day not a legal
holiday),  at the  registered  office of the  Company in the City of St.  Louis,
State of  Missouri,  or at such  other  place  within  or  without  the State of
Missouri as may be stated in the notice of meeting,  for the purpose of electing
directors  and of  transacting  such other  business as may  properly be brought
before the meeting.

     Section 2. Special  meetings of the stockholders may be called by the Chief
Executive Officer or by the Board of Directors  pursuant to a resolution adopted
by a majority of the total number of directors  which the Company  would have if
there were no vacancies.

     Section  3.  Written  or printed  notice of each  meeting  of  stockholders
stating  the  place,  day and  hour of the  meeting  and,  in case of a  special
meeting,  the  purpose or  purposes  for which the  meeting is called,  shall be
delivered  or given not less than ten nor more than seventy days before the date
of the meeting,  either  personally  or by mail, to each  stockholder  of record
entitled  to vote  thereat,  at his  address as it  appears,  if at all,  on the
records of the Company. Such further notice shall be given by mail,  publication
or otherwise as may be required by law.  Meetings may be held without  notice if
all the stockholders  entitled to vote thereat are present or represented at the
meeting, or if notice is waived by those not present or represented.




<PAGE>


                                      - 2 -

     Section 4. The holders of record of a majority of the shares of the capital
stock of the Company issued and outstanding,  entitled to vote thereat,  present
in person or represented by proxy,  shall,  except as otherwise provided by law,
constitute a quorum at all meetings of the stockholders. If at any meeting there
be no such  quorum,  such  holders  of a  majority  of the  shares so present or
represented may successively  adjourn the meeting to a specified date not longer
than ninety days after such adjournment,  without notice other than announcement
at the meeting,  until such quorum shall have been  obtained,  when any business
may be transacted  which might have been transacted at the meeting as originally
notified. The chairman of the meeting or a majority of shares so represented may
adjourn the meeting from time to time, whether or not there is such a quorum.

     Section 5. Meetings of the stockholders shall be presided over by the Chief
Executive  Officer  or, if he is not  present,  by the  Chairman of the Board of
Directors or by the  President  or, if neither the Chairman nor the President is
present,  by such other  officer of the  Company as shall be  selected  for such
purpose by the Board of Directors. The Secretary of the Company or, if he is not
present,  an Assistant Secretary of the Company or, if neither the Secretary nor
an Assistant  Secretary is present,  a secretary pro tem to be designated by the
presiding officer shall act as secretary of the meeting.

     Section 6. At all  meetings of the  stockholders  every holder of record of
the shares of the capital stock of the Company,  entitled to vote  thereat,  may
vote either in person or by proxy.

     Section 7. At all  elections  for  directors the voting shall be by written
ballot.  If the object of any meeting be to elect directors or to take a vote of
the stockholders on any proposition of which notice shall have been given in the
notice of the meeting,  the person  presiding at such meeting  shall appoint not
less than two persons, who are not directors,  inspectors to receive and canvass
the votes given at such  meeting.  Any  inspector,  before he shall enter on the
duties of his office,  shall take and subscribe an oath, in the manner  provided
by law, that he will execute the duties of inspector at such meeting with strict
impartiality and according to the best of his ability. The inspectors shall take
charge of the polls and after the  balloting  shall  make a  certificate  of the
result of the vote taken.

     Section 8: (a) (1)  Nominations  of persons  for  election  to the Board of
Directors  of the Company and the proposal of business to be  considered  by the
stockholders  may be made at an annual meeting of  stockholders  (a) pursuant to
the  Company's  notice of meeting,  (b) by or at the  direction  of the Board of
Directors  or (c) by any  stockholder  of the Company who was a  stockholder  of
record  at the time of  giving of notice  provided  for in this  By-Law,  who is
entitled to vote at the meeting and who complies with the notice  procedures set
forth in this By-Law.

     (2) For  nominations  or other  business to be properly  brought  before an
annual  meeting by a stockholder  pursuant to clause (c) of paragraph (a) (1) of
this By-Law, the stockholder must have given timely notice thereof in writing to
the Secretary of the Company and such other  business must otherwise be a proper
matter for stockholder action. To be


<PAGE>


                                      - 3 -

timely,  a  stockholder's  notice  shall be  delivered  to the  Secretary at the
principal  executive offices of the Company not later than the close of business
on the 60th day nor earlier  than the close of business on the 90th day prior to
the first anniversary of the preceding year's annual meeting; provided, however,
that in the  event  that the date of the  annual  meeting  is more  than 30 days
before  or  more  than  60 days  after  such  anniversary  date,  notice  by the
stockholder  to be timely must be so  delivered  not  earlier  than the close of
business  on the 90th day prior to such  annual  meeting  and not later than the
close of business  on the later of the 60th day prior to such annual  meeting or
the 10th day following the day on which public  announcement of the date of such
meeting is first made by the Company.  In no event shall the public announcement
of an adjournment of an annual meeting commence a new time period for the giving
of a stockholder's  notice as described above. Such  stockholder's  notice shall
set forth (a) as to each person whom the  stockholder  proposes to nominate  for
election or re-election as a director,  all information  relating to such person
that is required to be  disclosed  in  solicitations  of proxies for election of
directors  in an  election  contest,  or is  otherwise  required,  in each  case
pursuant to Regulation 14A under the Securities Exchange Act of 1934, as amended
(the "Exchange Act") and Rule 14a-11 thereunder (including such person's written
consent to being named in the proxy  statement  as a nominee and to serving as a
director if elected); (b) as to any other business that the stockholder proposes
to bring before the meeting,  a brief  description of the business desired to be
brought  before the meeting,  the reasons for  conducting  such  business at the
meeting and any material  interest in such business of such  stockholder and the
beneficial  owner,  if any, on whose behalf the proposal is made;  and (c) as to
the  stockholder  giving the notice and the beneficial  owner,  if any, on whose
behalf  the  nomination  or  proposal  is made (i) the name and  address of such
stockholder, as they appear on the Company's books, and of such beneficial owner
and (ii) the  class  and  number  of  shares  of the  Company  which  are  owned
beneficially and of record by such stockholder and such beneficial owner.

     (3) Notwithstanding anything in the second sentence of paragraph (a) (2) of
this By-Law to the  contrary,  in the event that the number of  directors  to be
elected to the Board of Directors  of the Company is  increased  and there is no
public  announcement  by the Company  naming all of the nominees for director or
specifying  the size of the increased  Board of Directors at least 70 days prior
to the first anniversary of the preceding year's annual meeting, a stockholder's
notice  required by this By-Law shall also be considered  timely,  but only with
respect to nominees for any new positions created by such increase,  if it shall
be delivered to the Secretary at the principal  executive offices of the Company
not later than the close of business on the 10th day  following the day on which
such public announcement is first made by the Company.

     (b)  Only  such  business  shall  be  conducted  at a  special  meeting  of
stockholders  as shall have been  brought  before the  meeting  pursuant  to the
Company's notice of meeting. Nominations of persons for election to the Board of
Directors may be made at a special  meeting of  stockholders  at which directors
are to be elected  pursuant to the Company's  notice of meeting (1) by or at the
direction of the Board of Directors or (2) provided  that the Board of Directors
has  determined  that  directors  shall  be  elected  at  such  meeting,  by any
stockholder  of the Company who is a stockholder of record at the time of giving
of notice  provided  for in this  By-Law,  who shall be  entitled to vote at the
meeting and who complies with the notice


<PAGE>


                                      - 4 -

procedures  set forth in this By-Law.  In the event the Company  calls a special
meeting of stockholders for the purpose of electing one or more directors to the
Board of Directors,  any such  stockholder  may nominate a person or persons (as
the case may be), for election to such position(s) as specified in the Company's
notice of meeting, if the stockholder's  notice required by paragraph (a) (2) of
this By-Law  shall be  delivered to the  Secretary  at the  principal  executive
offices of the Company  not  earlier  than the close of business on the 90th day
prior to such  special  meeting  and not later than the close of business on the
later of the 60th day prior to such  special  meeting or the 10th day  following
the day on which  public  announcement  is first made of the date of the special
meeting and of the nominees  proposed by the Board of Directors to be elected at
such meeting.  In no event shall the public  announcement of an adjournment of a
special  meeting  commence a new time  period for the giving of a  stockholder's
notice as described above.

     (c) (1)  Only  such  persons  who are  nominated  in  accordance  with  the
procedures  set forth in this By-Law shall be eligible to serve as directors and
only such business shall be conducted at a meeting of stockholders as shall have
been brought  before the meeting in accordance  with the procedures set forth in
this By-Law.  Except as otherwise provided by law, the Articles of Incorporation
or these  By-Laws,  the chairman of the meeting shall have the power and duty to
determine whether a nomination or any business proposed to be brought before the
meeting  was  made or  proposed,  as the  case may be,  in  accordance  with the
procedures set forth in this By-Law and, if any proposed  nomination or business
is not in compliance with this By-Law,  to declare that such defective  proposal
or nomination shall be disregarded.

     (2)  For  purposes  of  this  By-Law,   "public  announcement"  shall  mean
disclosure in a press release reported by the Dow Jones News Service, Associated
Press or comparable national news service or in a document publicly filed by the
Company with the Securities and Exchange  Commission  pursuant to Section 13, 14
or 15(d) of the Exchange Act.

     (3) Notwithstanding the foregoing  provisions of this By-Law, a stockholder
shall also comply with all applicable  requirements  of the Exchange Act and the
rules and  regulations  thereunder with respect to the matters set forth in this
By-Law.  Nothing  in this  By-Law  shall be deemed to affect  any  rights (a) of
stockholders to request  inclusion of proposals in the Company's proxy statement
pursuant  to Rule  14a-8  under the  Exchange  Act or (b) of the  holders of any
series of Preferred Stock to elect directors under specified circumstances.


                                   ARTICLE II.
                                   ----------

                                    Directors

     Section 1. The property and business of the Company shall be controlled and
managed by its Board of  Directors.  The number of directors to  constitute  the
Board of Directors shall be eleven;  provided,  however, that such number may be
fixed by the Board of


<PAGE>


                                      - 5 -

Directors,  from time to time, at not less than a minimum of three nor more than
a maximum of fourteen  (subject to the rights of the holders of Preferred  Stock
as set forth in the Articles of Incorporation of the Company,  as amended).  Any
such change shall be reported to the Secretary of State of the State of Missouri
within  thirty (30)  calendar  days of such change.  The members of the Board of
Directors shall be stockholders in the Company,  not less than one of whom shall
be a bona fide citizen of the State of Missouri. Except as otherwise provided in
the Articles of  Incorporation of the Company,  as amended,  the directors shall
hold office until the next annual election and until their  successors  shall be
elected and qualified. A majority of the members of the Board of Directors shall
constitute a quorum for the  transaction  of business,  but if at any meeting of
the Board there shall be less than a quorum present, a majority of the directors
present may adjourn the meeting  from time to time,  without  notice  other than
announcement  at the meeting,  until such quorum shall have been obtained,  when
any business may be transacted  which might have been transacted at the original
meeting had a quorum been present.

     Section 2. Vacancies in the Board of Directors, including vacancies created
by newly created  directorships,  shall be filled in the manner  provided in the
Articles of Incorporation of the Company,  as amended,  and, except as otherwise
provided  therein,  the  directors  so elected  shall hold  office  until  their
successors shall be elected and qualified.

     Section 3.  Meetings of the Board of  Directors  shall be held at such time
and place  within or without  the State of  Missouri as may from time to time be
fixed by  resolution  of the  Board,  or as may be stated  in the  notice of any
meeting.  Regular  meetings  of the Board shall be held at such time as may from
time to time be fixed by  resolution  of the Board,  and notice of such meetings
need not be given.  Special  meetings  of the Board may be held at any time upon
call of the  Chief  Executive  Officer  or the  Executive  Committee,  by  oral,
telegraphic or written notice, duly given or sent or mailed to each director not
less than two (2) days before any such meeting. The notice of any meeting of the
Board need not specify the purposes thereof except as may be otherwise  required
by law.  Meetings may be held at any time without notice if all of the directors
are present or if those not present waive notice of the meeting, in writing.

     Section 4. The Board of Directors, by the affirmative vote of a majority of
the whole Board may appoint an  Executive  Committee,  to consist of two or more
directors, one of whom shall be a bona fide citizen of the State of Missouri, as
the Board may from time to time  determine.  The Executive  Committee shall have
and may  exercise  to the  extent  permitted  by law,  when the  Board is not in
session,  all of the  powers  vested  in the  Board,  except  the  power to fill
vacancies  in the  Board,  the  power  to fill  vacancies  in or to  change  the
membership  of said  Committee,  and the power to make or amend  By-Laws  of the
Company.  The Board  shall have the power at any time to fill  vacancies  in, to
change the membership of, or to dissolve, the Executive Committee. The Executive
Committee  may make rules for the conduct of its  business  and may appoint such
committees  and  assistants  as it shall  from  time to time deem  necessary.  A
majority of the members of the Executive Committee shall constitute a quorum.



<PAGE>


                                      - 6 -

     Section  5. The  Board of  Directors  may also  appoint  one or more  other
committees to consist of such number of the directors and to have such powers as
the Board may from time to time determine. The Board shall have the power at any
time to fill vacancies in, to change the membership of, or to dissolve, any such
committee. A majority of any such committee may determine its action and fix the
time and place of its meetings,  unless the Board of Directors  shall  otherwise
provide.

                                  ARTICLE III.
                                  ------------

                                    Officers

     Section 1. As soon as is practicable after the election of directors at the
annual meeting of  stockholders,  the Board of Directors  shall elect one of its
members  President  of the Company,  and shall elect a Secretary.  The Board may
also elect from its members a Chairman of the Board of Directors  (which  office
may be held by the  President)  and one or more  Vice  Chairman  of the Board of
Directors.  The Board  shall  designate  either  the  Chairman,  if any,  or the
President as the Chief Executive Officer of the Company. In addition,  the Board
may elect one or more Vice Presidents (any one or more of whom may be designated
as Senior or Executive Vice Presidents),  and a Treasurer, and from time to time
may appoint such Assistant Secretaries, Assistant Treasurers and other officers,
agents,  and  employees  as it may deem  proper.  The offices of  Secretary  and
Treasurer  may be held by the same person,  and a Vice  President of the Company
may also be either the Secretary or the Treasurer.

     Section 2. Between annual elections of officers, the Board of Directors may
effect such changes in Company offices as it deems necessary or proper.

     Section 3. Subject to such  limitations  as the Board of Directors may from
time to time prescribe,  the officers of the Company shall each have such powers
and duties as generally  pertain to their  respective  offices,  as well as such
powers  and  duties  as from  time to time  may be  conferred  by the  Board  of
Directors or the Executive Committee. The Treasurer and the Assistant Treasurers
may be required to give bond for the faithful discharge of their duties, in such
sum and of such  character  as the  Board of  Directors  may  from  time to time
prescribe.


                                   ARTICLE IV.
                                   -----------

                                 Indemnification

     Each person who now is or hereafter  becomes a director (which term as used
in this Article  shall include an advisor to the Board of  Directors),  officer,
employee or agent of the Company, or who now is or hereafter becomes a director,
officer, employee or agent of another corporation,  partnership,  joint venture,
trust or other enterprise at the request of the


<PAGE>


                                      - 7 -

Company,  shall be entitled to indemnification as provided by law. Such right of
indemnification shall include, but not be limited to, the following:

     Section 1. (a) The Company may  indemnify  any person who was or is a party
or is  threatened  to be made a party to any  threatened,  pending or  completed
action,  suit,  or  proceeding,  whether  civil,  criminal,   administrative  or
investigative, other than an action by or in the right of the Company, by reason
of the fact  that he is or was a  director,  officer,  employee  or agent of the
Company,  or is or was  serving  at the  request of the  Company as a  director,
officer, employee or agent of another corporation,  partnership,  joint venture,
trust  or  other  enterprise,   against  expenses,  including  attorneys'  fees,
judgments, fines and amounts paid in settlement actually and reasonably incurred
by him in  connection  with such action,  suit or proceeding if he acted in good
faith and in a manner he reasonably believed to be in or not opposed to the best
interests  of  the  Company,  and,  with  respect  to  any  criminal  action  or
proceeding,  had no reasonable  cause to believe his conduct was  unlawful.  The
termination of any action, suit, or proceeding by judgment,  order,  settlement,
conviction,  or upon a plea of nolo contendere or its equivalent,  shall not, of
itself,  create a presumption that the person did not act in good faith and in a
manner  which  he  reasonably  believed  to be in or not  opposed  to  the  best
interests  of  the  Company,  and,  with  respect  to  any  criminal  action  or
proceeding, had reasonable cause to believe that his conduct was unlawful.

     (b) The  Company  may  indemnify  any  person  who was or is a party  or is
threatened to be made a party to any threatened,  pending or completed action or
suit by or in the right of the  Company to  procure a  judgment  in its favor by
reason of the fact that he is or was a director,  officer,  employee or agent of
the  Company,  or is or was serving at the request of the Company as a director,
officer, employee or agent of another corporation,  partnership,  joint venture,
trust or other  enterprise  against  expenses,  including  attorneys'  fees, and
amounts paid in settlement actually and reasonably incurred by him in connection
with the defense or  settlement  of the action or suit if he acted in good faith
and in a manner  he  reasonably  believed  to be in or not  opposed  to the best
interests  of the  Company;  except  that no  indemnification  shall  be made in
respect of any claim,  issue or matter as to which such  person  shall have been
adjudged to be liable for  negligence or misconduct  in the  performance  of his
duty to the  Company  unless and only to the extent  that the court in which the
action  or suit was  brought  determines  upon  application  that,  despite  the
adjudication of liability and in view of all the  circumstances of the case, the
person is fairly and  reasonably  entitled to indemnity for such expenses  which
the court shall deem proper.

     (c) To the  extent  that a  director,  officer,  employee  or  agent of the
Company has been successful on the merits or otherwise in defense of any action,
suit, or proceeding  referred to in subsections (a) and (b) above, or in defense
of any claim, issue or matter therein, he shall be indemnified against expenses,
including attorneys' fees, actually and reasonably incurred by him in connection
with the action, suit, or proceeding.

     (d) Any indemnification under subsections (a) and (b) above, unless ordered
by a court, shall be made by the Company only as authorized in the specific case
upon a determination that indemnification of the director,  officer, employee or
agent is proper in the


<PAGE>


                                      - 8 -

circumstances because he has met the applicable standard of conduct set forth in
this  Section.  The  determination  shall be made by the Board of Directors by a
majority  vote of a quorum  consisting  of directors who were not parties to the
action, suit, or proceeding,  or if such a quorum is not obtainable,  or even if
obtainable a quorum of disinterested  directors so directs, by independent legal
counsel in a written opinion, or by the stockholders.

     Section 2. (a) In  addition to the  indemnity  authorized  or  contemplated
under other Sections of this Article, the Company shall further indemnify to the
maximum  extent  permitted  by law,  any  person  who  was or is a  party  or is
threatened to be made a party to any  threatened,  pending or completed  action,
suit, or proceeding (including appeals), whether civil, criminal,  investigative
(including  private Company  investigations),  or  administrative,  including an
action by or in the right of the Company,  by reason of the fact that the person
is or was a director,  officer, or employee of the Company, or is or was serving
at the  request of the  Company as a  director,  officer,  employee  or agent of
another  corporation,  partnership,  joint venture,  trust or other  enterprise,
including  service with respect to an employee benefit plan, for and against any
and all  expenses  incurred  by such  person,  including,  but not  limited  to,
attorneys'  fees,  judgments,  fines  (including  any excise  taxes or penalties
assessed on a person with respect to an employee benefit plan), and amounts paid
in  settlement  actually or reasonably  incurred by him in connection  with such
action,  suit or  proceeding,  provided that the Company shall not indemnify any
person from or on account of such person's conduct which was finally adjudged to
have been knowingly fraudulent, deliberately dishonest or willful misconduct.

     (b) Where full and complete  indemnification is prohibited by law or public
policy,  any person  referred to in subsection (a) above who would  otherwise be
entitled  to   indemnification   nevertheless   shall  be  entitled  to  partial
indemnification  to the extent permitted by law and public policy.  Furthermore,
where full and complete  indemnification  is prohibited by law or public policy,
any person  referred to in subsection (a) above who would  otherwise be entitled
to indemnification nevertheless shall have a right of contribution to the extent
permitted  by law and public  policy in cases  where said party is held  jointly
liable with the Company.

     Section 3. The  indemnification  provided  by Sections 1 and 2 shall not be
deemed exclusive of any other rights to which those seeking  indemnification may
be entitled under the articles of incorporation or bylaws or any agreement, vote
of stockholders or disinterested directors or otherwise both as to action in his
official  capacity  and as to action in  another  capacity  while  holding  such
office,  and the  Company is hereby  specifically  authorized  to  provide  such
indemnification  by  any  agreement,   vote  of  stockholders  or  disinterested
directors or otherwise.  The  indemnification  shall continue as to a person who
has ceased to be a director,  officer,  employee or agent and shall inure to the
benefit of the heirs, executors and administrators of such a person.

     Section 4. The Company is authorized to purchase and maintain  insurance on
behalf of, or provide  another  method or methods of  assuring  payment  to, any
person who is or was a director,  officer,  employee or agent of the Company, or
is or was serving at the request of the Company as a director, officer, employee
or agent of another corporation, partnership,


<PAGE>


                                      - 9 -

joint venture,  trust or other enterprise against any liability asserted against
him and incurred by him in any  capacity,  or arising out of his status as such,
whether or not the Company  would have the power to  indemnify  him against such
liability under the provisions of this Article.

     Section 5. Expenses incurred in defending a civil or criminal action,  suit
or proceeding may be paid by the Company in advance of the final  disposition of
the action,  suit,  or proceeding as authorized by the Board of Directors in the
specific  case upon receipt of an  undertaking  by or on behalf of the director,
officer,  employee or agent to repay such amount  unless it shall  ultimately be
determined that he is entitled to be indemnified by the Company as authorized in
this Article.

     Section 6. This  Article may be hereafter  amended or  repealed;  provided,
however,  that no  amendment  or repeal  shall  reduce,  terminate  or otherwise
adversely  affect  the  right of a  person  who is or was a  director,  officer,
employee or agent to obtain  indemnification with respect to an action, suit, or
proceeding  that  pertains to or arises out of actions or  omissions  that occur
prior to the effective date of such amendment or repeal.


                                   ARTICLE V.
                                   ----------

                              Certificates of Stock

     Section  1.  The  interest  of  each  stockholder  shall  be  evidenced  by
certificates  for shares of stock of the  Company,  in such form as the Board of
Directors may from time to time prescribe.  The certificates for shares of stock
of the Company  shall be signed by the  Chairman,  if any, or the President or a
Vice  President  (including  Senior or  Executive  Vice  Presidents)  and by the
Secretary or Treasurer  or an Assistant  Secretary or an Assistant  Treasurer of
the Company  and sealed with the seal of the Company and shall be  countersigned
and  registered in such manner,  if any, as the Board of Directors may from time
to time prescribe. Any or all the signatures on the certificate may be facsimile
and the  seal may be  facsimile,  engraved  or  printed.  In case  any  officer,
transfer agent or registrar who has signed or whose facsimile signature has been
placed upon a certificate  shall have ceased to be such officer,  transfer agent
or registrar before such certificate is issued, the certificate may nevertheless
be issued by the Company  with the same effect as if the person were an officer,
transfer agent or registrar at the date of issue.

     Section 2. The shares of stock of the Company shall be transferable only on
the books of the Company by the holders  thereof in person or by duly authorized
attorney, upon surrender for cancellation of certificates for the same number of
shares of the same  class of stock,  with an  assignment  and power of  transfer
endorsed thereon or attached thereto, duly executed,  and with such proof of the
authenticity  of the  signatures  as the  Company or its  agents may  reasonably
require.



<PAGE>


                                     - 10 -

     Section  3. No  certificate  for  shares of stock of the  Company  shall be
issued  in place  of any  certificate  alleged  to have  been  lost,  stolen  or
destroyed,  except  upon  production  of such  evidence  of such loss,  theft or
destruction,  and upon the Company being  indemnified to such extent and in such
manner as the Board of Directors in its discretion may require.


                                   ARTICLE VI.
                                   -----------

                       Closing of Stock Transfer Books or
                               Fixing Record Date

     The Board of Directors  shall have power to close the stock  transfer books
of the Company for a period not exceeding seventy days preceding the date of any
meeting of  stockholders  or the date of payment of any dividend or the date for
the allotment of rights or the date when any change or conversion or exchange of
shares  shall go into  effect;  provided,  however,  that in lieu of closing the
stock transfer  books as aforesaid,  the Board of Directors may fix in advance a
date,  not  exceeding  seventy  days  preceding  the  date  of  any  meeting  of
stockholders,  or the date for the payment of any dividend,  or the date for the
allotment of rights,  or the date when any change or  conversion  or exchange of
shares  shall go into  effect,  as a record  date for the  determination  of the
stockholders  entitled to notice of, and to vote at, any such  meeting,  and any
adjournment  thereof,  or entitled to receive  payment of any such dividend,  or
entitled to any such allotment of rights,  or entitled to exercise the rights in
respect of any such change,  conversion or exchange of shares. In such case such
stockholders  and only such  stockholders  as shall be stockholders of record on
the date of closing  the stock  transfer  books or on the  record  date so fixed
shall  be  entitled  to  notice  of,  and to  vote  at,  such  meeting,  and any
adjournments thereof, or to receive payment of such dividend, or to receive such
allotment  of  rights,  or  to  exercise  such  rights,  as  the  case  may  be,
notwithstanding  any  transfer of any shares on the books of the  Company  after
such  date of  closing  of the  transfer  books  or such  record  date  fixed as
aforesaid.


                                  ARTICLE VII.
                                  ------------

                               Checks, Notes, etc.

     All checks  and  drafts on the  Company's  bank  accounts  and all bills of
exchange  and  promissory  notes,  and all  acceptances,  obligations  and other
instruments  for the  payment  of  money,  shall be signed  by such  officer  or
officers or agent or agents as shall be thereunto  authorized  from time to time
by the Board of Directors. The Board of Directors may authorize any such officer
or agent to sign and, when the Company's  seal is on the  instrument,  to attest
any of the foregoing  instruments by the use of a facsimile signature,  engraved
or printed or otherwise  affixed  thereto.  In case any officer or agent who has
signed or whose facsimile signature has been placed upon any such instrument for
the payment of money shall have ceased to be such  officer or agent  before such
instrument is issued, such instrument may


<PAGE>


                                     - 11 -


nevertheless be issued by the Company with the same effect as if such officer or
agent had not ceased to be such officer or agent at the date of its issue.


                                  ARTICLE VIII.
                                  -------------

                                   Fiscal Year

                The fiscal year of the  Company  shall begin on the first day of
     January  in each  year and shall end on the  thirty-first  day of  December
following
until otherwise  changed by resolution of the Board, and the Board is authorized
at any time by  resolution  to adopt  and fix a  different  fiscal  year for the
Company.


                                   ARTICLE IX.
                                   -----------

                                 Corporate Seal

     The corporate seal shall have inscribed thereon the name of the Company and
the words "Corporate Seal, Missouri".


                                   ARTICLE X.
                                   ----------

                                   Amendments

     The By-Laws of the Company may be made,  altered,  amended,  or repealed by
the Board of Directors.







<TABLE>
<CAPTION>

UNION ELECTRIC COMPANY
COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES AND PREFERRED STOCK DIVIDENDS


                                                            Year Ended December 31,


                                                       1994           1995           1996           1997           1998
                                                       ----           ----           ----           ----           ----

                                                              Thousands of Dollars Except Ratios

<S>                                                   <C>           <C>            <C>            <C>             <C>     
Net Income                                             $320,757      $314,107       $304,876       $301,655        $320,070
Add- Extraordinary items net of tax                           -             -              -         26,967               -
                                                       --------      --------       --------       --------        --------
Net Income from continuing operations                   320,757       314,107        304,876        328,622         320,070
                                                       --------      --------       --------       --------        --------
   Taxes based on income                                203,827       207,734        196,210        199,763         212,554
                                                       --------      --------       --------       --------        --------
Net income before income taxes                          524,584       521,841        501,086        528,385         532,624
                                                       --------      --------       --------       --------        --------


Add-fixed charges:
   Interest on long term debt                           117,838       121,738        120,547        125,705         124,766
   Other interest                                        17,770         7,501          7,828          9,299           1,660
   Rentals                                                1,299         3,330          3,458          3,727           3,416
   Amortization of net debt premium, discount,
      expenses and losses                                 5,504         5,502          4,269          3,672           3,522
                                                       --------      --------       --------       --------        --------

Total fixed charges                                     142,411       138,071        136,102        142,403         133,364
                                                       --------      --------       --------       --------        --------

Earnings available for fixed charges                    666,995       659,912        637,188        670,788         665,988
                                                      =========      ========       ========       ========        ========


Ratio of earnings to fixed charges                         4.68          4.78           4.68           4.71            4.99
                                                      =========      ========       ========       ========        ========


Earnings required for preferred dividends:
   Preferred stock dividends                             13,252        13,250         13,249          8,817           8,817
   Adjustment to pre-tax basis                            7,262         7,558          7,363          4,257           4,649
                                                       --------      --------       --------       --------        --------
                                                         20,514        20,808         20,612         13,074          13,466

Fixed charges plus preferred stock dividend
    requirements                                        162,925       158,879        156,714        155,477         146,830
                                                      =========      ========       ========       ========        ========

Ratio of earnings to fixed charges plus
    preferred stock dividend requirements                  4.09          4.15           4.06           4.31            4.53
                                                      =========      ========       ========       ========        ========
</TABLE>


                                POWER OF ATTORNEY

       WHEREAS,  UNION ELECTRIC COMPANY, a Missouri corporation (herein referred
to as the  "Company"),  is required  to file with the  Securities  and  Exchange
Commission,  under the  provisions  of the  Securities  Exchange Act of 1934, as
amended,  its annual  report on Form 10-K for the year ended  December 31, 1998;
and

       WHEREAS, each of the below undersigned holds the office or offices in the
Company set opposite his name;

       NOW,  THEREFORE,  each of the undersigned hereby constitutes and appoints
Charles W. Mueller  and/or  Donald E. Brandt  and/or Steven R. Sullivan the true
and lawful attorneys-in-fact of the undersigned,  for and in the name, place and
stead of the undersigned, to affix the name of the undersigned to said Form 10-K
and any amendments thereto, and, for the performance of the same acts, each with
power to appoint in their place and stead and as their  substitute,  one or more
attorneys-in-fact  for the  undersigned,  with full power of revocation;  hereby
ratifying  and  confirming  all that  said  attorneys-in-fact  may do by  virtue
hereof.

       IN WITNESS  WHEREOF,  the undersigned  have hereunto set their hands this
11th day of February 1999:

Charles W. Mueller, President, Chief
       Executive Officer and Director
       (Principal Executive Officer)                      /s/ Charles W. Mueller
                                                          ----------------------

Paul A. Agathen, Director                                 /s/ Paul A. Agathen 
                                                          ----------------------
                 
Donald E. Brandt, Senior Vice
       President and Director
       (Principal Financial Officer)                      /s/ Donald E. Brandt
                                                          ----------------------

Gary L. Rainwater, Director                               /s/ Gary L. Rainwater
                                                          ----------------------

Charles J. Schukai, Director                              /s/ Charles J. Schukai
                                                          ----------------------

Warner L. Baxter, Vice President
       and Controller
       (Principal Accounting Officer)                     /s/ Warner L. Baxter
                                                          ----------------------


STATE OF MISSOURI        )
                         )  SS.
CITY OF ST. LOUIS        )

       On this 11th day of February,  1999,  before me, the  undersigned  Notary
Public in and for said State,  personally appeared the above-named  officers and
directors of Union Electric Company,  known to me to be the persons described in
and who executed the  foregoing  power of attorney and  acknowledged  to me that
they  executed  the same as their  free  act and deed for the  purposes  therein
stated.

       IN TESTIMONY WHEREOF, I have hereunto set my hand and affixed my official
seal.



                                         /s/ K. A. Bell 
                                        ----------------     
                                           K. A. BELL
                                    Notary Public - Notary Seal
                                        STATE OF MISSOURI
                                        St. Louis County
                              My Commission Expires:  October 13, 2002



WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>





                                                            Exhibit 27
                             UNION ELECTRIC COMPANY
                             10-K DECEMBER 31, 1998
                           FINANCIAL DATA SCHEDULE UT
          PUBLIC UTILITY COMPANIES AND PUBLIC UTILITY HOLDING COMPANIES
                  APPENDIX E TO ITEM 601 (C) OF REGULATION S-K
                             (Thousands of Dollars)


<ARTICLE>  UT 
       
  
<S>                                                    <C>   
<PERIOD-TYPE>                                                 12-MOS
<FISCAL-YEAR-END>                                        DEC-31-1998
<PERIOD-END>                                             DEC-31-1998
<BOOK-VALUE>                                                PER-BOOK
<TOTAL-NET-UTILITY-PLANT>                                  5,346,304
<OTHER-PROPERTY-AND-INVEST>                                  161,877
<TOTAL-CURRENT-ASSETS>                                       502,508
<TOTAL-DEFERRED-CHARGES>                                      45,688
<OTHER-ASSETS>                                               773,487
<TOTAL-ASSETS>                                             6,829,864
<COMMON>                                                     510,619
<CAPITAL-SURPLUS-PAID-IN>                                    701,896
<RETAINED-EARNINGS>                                        1,211,610
<TOTAL-COMMON-STOCKHOLDERS-EQ>                             2,424,125
                                              0
                                                  155,197
<LONG-TERM-DEBT-NET>                                       1,624,681
<SHORT-TERM-NOTES>                                                 0
<LONG-TERM-NOTES-PAYABLE>                                          0
<COMMERCIAL-PAPER-OBLIGATIONS>                                     0
<LONG-TERM-DEBT-CURRENT-PORT>                                100,000
                                          0
<CAPITAL-LEASE-OBLIGATIONS>                                   49,630
<LEASES-CURRENT>                                              17,269
<OTHER-ITEMS-CAPITAL-AND-LIAB>                             2,458,962
<TOT-CAPITALIZATION-AND-LIAB>                              6,829,864
<GROSS-OPERATING-REVENUE>                                  2,382,071
<INCOME-TAX-EXPENSE>                                         217,385
<OTHER-OPERATING-EXPENSES>                                 1,736,503
<TOTAL-OPERATING-EXPENSES>                                 1,953,888
<OPERATING-INCOME-LOSS>                                      428,183
<OTHER-INCOME-NET>                                            15,889
<INCOME-BEFORE-INTEREST-EXPEN>                               444,072
<TOTAL-INTEREST-EXPENSE>                                     124,002
<NET-INCOME>                                                 320,070
                                    8,817
<EARNINGS-AVAILABLE-FOR-COMM>                                311,253
<COMMON-STOCK-DIVIDENDS>                                     259,599
<TOTAL-INTEREST-ON-BONDS>                                    116,011
<CASH-FLOW-OPERATIONS>                                       651,106
<EPS-PRIMARY>                                                   0.00  <F1>
<EPS-DILUTED>                                                   0.00  <F1>

<FN>
<F1> INFORMATION NOT NORMALLY DISCLOSED IN FINANCIAL STATEMENTS AND NOTES.
</FN>
        



</TABLE>


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