INTERSTATE ENERGY CORP
DEF 14A, 1999-03-29
ELECTRIC & OTHER SERVICES COMBINED
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                            SCHEDULE 14A INFORMATION
Proxy Statement Pursuant to Section 14(a) of the Securities Exchange Act of 1934
                              (Amendment No. ____)

Filed by the Registrant [X]
Filed by a Party other than the Registrant [  ]

Check the appropriate box:

[ ]    Preliminary Proxy Statement
[ ]    Confidential,  for  Use  of the  Commission  Only  (as  permitted  
       by  Rule 14a-6(e)(2)) 
[X]    Definitive Proxy Statement [ ] Definitive  Additional Materials
[ ]    Soliciting Material Pursuant to Section 240.14a-11(c) or 
       Section 240.14a-12

                         INTERSTATE ENERGY CORPORATION 
                (Name of Registrant as Specified in its Charter)

   __________________________________________________________________________
     (Name of Person(s) Filing Proxy Statement if other than the Registrant)

Payment of Filing Fee (Check the appropriate box):

[X]    No fee required.

[ ]    Fee computed on table below per Exchange Act Rules 14a-6(i)(4) and 0-11.

       1) Title of each class of securities to which transaction applies:

       2) Aggregate number of securities to which transaction applies:

       3) Per unit price or other underlying  value of transaction  computed
          pursuant to Exchange  Act Rule 0-11 (Set forth the amount on which
          the filing fee is calculated and state how it was determined):

       4) Proposed maximum aggregate value of transaction:

       5) Total fee paid:

[ ]    Fee paid previously with preliminary materials.

[ ]    Check box if any part of the fee is offset as  provided  by  Exchange
       Act Rule  0-11(a)(2)  and identify the filing for which the  offsetting
       fee was paid  previously.  Identify the previous filing by registration
       statement number, or the Form or Schedule and the date of its filing.

       1) Amount Previously Paid:

       2) Form, Schedule or Registration Statement No.:

       3) Filing Party:

       4) Date Filed:

<PAGE>

                          INTERSTATE ENERGY CORPORATION
                        d/b/a Alliant Energy Corporation
222 West Washington Avenue, P. O. Box 2568, Madison, WI 53701-2568
Phone: 608/252-3110

                                 March 29, 1999


TO THE SHAREOWNERS OF INTERSTATE ENERGY CORPORATION:

         We extend a  cordial  invitation  to you to join us at the 1999  Annual
Meeting of  Shareowners.  The  meeting  will be held at the  Dubuque  Five Flags
Center, 405 Main Street, Dubuque, Iowa, on Wednesday,  May 19, 1999 at 1:00 p.m.
(Central  Time).  If you  plan to join  us,  please  indicate  the  names of the
individuals who will be attending on the enclosed proxy card reservation form.

         Interstate  Energy  Corporation  (the "Company") and its  subsidiaries,
Wisconsin Power and Light Company ("WP&L") and Interstate Power Company ("IPC"),
will hold separate shareowner  meetings.  If you are a shareowner of the Company
and a preferred  shareowner of WP&L, you will receive separate Notices of Annual
Meeting and Proxy Statements and separate proxy cards, one for each company.  If
you are a shareowner  of the Company and a preferred  shareholder  of WP&L,  you
will have to  return  both  proxy  cards to vote all your  shares.  If you are a
preferred  shareowner of IPC, you will receive a separate Notice of Meeting and,
if you so desire, will need to attend the meeting to vote your shares.

         The enclosed  Notice of Annual  Meeting and Proxy  Statement sets forth
the items to be considered at the Company's  annual meeting.  There will also be
informative  reports on the affairs of the Company after which  shareowners will
be given the opportunity to ask questions and make comments.  Light refreshments
will be served following the meeting.

         It is important to your interests, and also is helpful to the directors
of the Company, that all shareowners  participate in the affairs of the Company,
regardless of the number of shares owned.  Whether or not you plan to attend the
meeting,  please  sign and date the  enclosed  proxy  card and  return it in the
postage paid envelope.  You may, of course,  still vote your shares in person at
the meeting even if you have previously returned your proxy.

         Your participation in person or by proxy is very important.


                                               Sincerely,


                                               /s/ Lee Liu
                                               LEE LIU
                                               Chairman of the Board

<PAGE>


- -------------------------------------------------------------------------------
                          INTERSTATE ENERGY CORPORATION

                        d/b/a Alliant Energy Corporation


                          ANNUAL MEETING OF SHAREOWNERS


                               DATE:         May 19, 1999

                               TIME:         1:00 PM, Central Time

                               LOCATION:     Dubuque Five Flags Center
                                             405 Main Street
                                             Dubuque, Iowa

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

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

                         SHAREOWNER INFORMATION NUMBERS

                   LOCAL CALLS (MADISON, WI AREA).........608-252-3110

                   TOLL FREE NUMBER.....................1-800-356-5343

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


<PAGE>

                          INTERSTATE ENERGY CORPORATION
                        d/b/a Alliant Energy Corporation
222 West Washington Avenue, P. O. Box 2568, Madison, WI 53701-2568
Phone: 608/252-3110

                     NOTICE OF ANNUAL MEETING OF SHAREOWNERS
                                  May 19, 1999
                                     1:00 PM

         The Annual Meeting of Shareowners of Interstate Energy Corporation (the
"Company")  will be held at the  Dubuque  Five Flags  Center,  405 Main  Street,
Dubuque,  Iowa,  on Wednesday,  May 19, 1999,  at 1:00 PM (local time),  for the
following purposes:

          (1)  To elect five  directors  for terms  expiring  at the 2002 Annual
               Meeting of Shareowners.

          (2)  To approve an amendment  to the  Company's  Restated  Articles of
               Incorporation  to change the name of the Company from  Interstate
               Energy Corporation to Alliant Energy Corporation.

          (3)  To consider  and vote upon a proposal  to approve  the  Company's
               Long-Term Equity Incentive Plan, as amended.

          (4)  To consider  and act upon any other  business  that may  properly
               come  before  the  meeting  or any  adjournment  or  postponement
               thereof.

         The  Board of  Directors  of the  Company  presently  knows of no other
business to come before the meeting.

         Only the holders of common  stock of record on the books of the Company
at the close of business on March 23, 1999, are entitled to vote at the meeting.
All such  shareowners are requested to be present at the meeting in person or by
proxy, so that the presence of a quorum may be assured.

         Please  sign and  return  your  proxy  immediately.  If you  attend the
meeting,  you may  withdraw  your  proxy  at the  registration  desk and vote in
person. All shareowners are urged to return their proxies promptly.

         Your proxy  covers all of your shares of common  stock of the  Company.
For  present  or past  employees  of the  Company or  Wisconsin  Power and Light
Company,  your  proxy  includes  any  shares  held for your  account  under  the
Company's Shareowner Direct Plan. For present or past employees of IES Utilities
Inc.,  your proxy  includes any shares held for your account under IES Utilities
Employee  Stock  Ownership  Plan.  For shares  credited to an account  under any
401(k) or similar  retirement  savings plan of the Company,  Wisconsin Power and
Light Company,  IES Utilities Inc. or Interstate Power Company, you will receive
a form of proxy from the trustee of the respective plan.

         A copy of the 1998 Annual Report of the Company is enclosed.

                                            By Order of the Board of Directors,


                                            /s/ Edward M. Gleason
                                            EDWARD M. GLEASON
                                            Vice President - Treasurer
                                            and Corporate Secretary

March 29, 1999


<PAGE>

                          INTERSTATE ENERGY CORPORATION
                        d/b/a Alliant Energy Corporation
222 West Washington Avenue, P. O. Box 2568, Madison, WI 53701-2568
Phone: 608/252-3110

                                 March 29, 1999

                           PROXY STATEMENT RELATING TO
                       1999 ANNUAL MEETING OF SHAREOWNERS

         The purposes of the meeting are set forth in the  accompanying  notice.
The enclosed  proxy  relating to the meeting is solicited on behalf of the Board
of Directors of the Company and the cost of such  solicitation  will be borne by
the Company.  Following the original  solicitation of proxies by mail, beginning
on or about March 29, 1999, certain of the officers and regular employees of the
Company may solicit  proxies by telephone,  telegraph or in person,  but without
extra compensation.  The Company will pay to banks, brokers, nominees, and other
fiduciaries,  their reasonable  charges and expenses  incurred in forwarding the
proxy materials to their principals.

         On April 21, 1998,  the merger  involving  IES  Industries  Inc.  ("IES
Industries", the former parent of IES Utilities Inc. ("IES")),  Interstate Power
Company ("IPC") and WPL Holdings, Inc. was completed (the "Merger"), after which
the name of the Company was changed from WPL Holdings, Inc. to Interstate Energy
Corporation.  Following  the  Merger,  Heartland  Development  Corporation,  the
holding company for non-regulated operations of the Company, changed its name to
Alliant  Energy  Resources,  Inc.  ("AERI").  The Company is the parent  holding
company of Wisconsin Power and Light Company ("WP&L"), IES, IPC and AERI.

         The Company will furnish  without  charge,  to each  shareowner  who is
entitled to vote at the meeting and who makes a written  request,  a copy of the
Company's Annual Report on Form 10-K (not including exhibits thereto),  as filed
pursuant to the Securities  Exchange Act of 1934.  Written requests for the Form
10-K should be mailed to the Corporate Secretary at the address stated above.


                                  PROPOSAL #1:

                              ELECTION OF DIRECTORS

         Five  directors are to be elected at the Company's  1999 Annual Meeting
of Shareowners for terms expiring in 2002. The nominees for election as selected
by the Nominating and Governance  Committee of the Company's  Board of Directors
are: Alan B. Arends,  Rockne G. Flowers,  Katharine C. Lyall,  Robert D. Ray and
Anthony R. Weiler.  Each of the  nominees is currently  serving as a director of
the Company,  WP&L,  IES, IPC and AERI.  All persons  elected as directors  will
serve until the Annual  Meeting of  Shareowners of the Company in the year 2002,
or until their successors have been duly elected and qualified.

         Directors  will be  elected  by a  plurality  of the votes  cast at the
meeting  (assuming a quorum is present).  Consequently,  any shares not voted at
the meeting, whether due to abstentions or otherwise, will have no effect on the
election of  directors.  The  proxies  solicited  may be voted for a  substitute
nominee or  nominees  in the event that any of the  nominees  shall be unable to
serve, or for good reason will not serve, a contingency not now anticipated.


<PAGE>


         Brief  biographies of the director  nominees and  continuing  directors
follow.  These  biographies  include  their age (as of December  31,  1998),  an
account of their business experience, and the names of publicly-held and certain
other  corporations  of which  they  are also  directors.  Except  as  otherwise
indicated,  each nominee and continuing  director has been engaged in his or her
present occupation for at least the past five years.


                                    NOMINEES

                           For Terms Expiring in 2002

Alan B. Arends      Principal  Occupation:  Chairman  of the Board of  Alliance
                    Benefit Group Financial  Services Corp.  (formerly  Arends
                    Associates, Inc.) of Albert Lea, Minnesota, an employee 
                    benefits company.

                    Age:  65
      (Photo)
                    Served  as a  director  of the  Company  since  the
                    consummation of the Merger.

                    Annual Meeting at which nominated term of office will 
                    expire:  2002

Other Information:  Mr. Arends founded Alliance Benefit Group Financial Services
Corp. in 1983. Mr. Arends has served as a director of IPC since 1993 and of WP&L
and IES since the consummation of the Merger.


Rockne G. Flowers   Principal  Occupation: Chairman of Nelson  Industries,  Inc.
                    (a  muffler,  filter,  industrial silencer,  and  active  
                    sound and vibration control technology and  manufacturing
                    firm), Stoughton, Wisconsin (a subsidiary of Cummins 
                    Engine Company).

                    Age:  67
      (Photo)
                    Served as a director of the Company since 1981.

                    Annual Meeting at which nominated term of office will 
                    expire:  2002

Other Information: Mr. Flowers is a director of American Family Mutual Insurance
Company, Janesville Sand and Gravel Company, M&I Bank of Southern Wisconsin, the
Wisconsin  History  Foundation,  and  University  Research Park. Mr. Flowers has
served as a director of WP&L from 1979 to 1990 and since 1994 and of IES and IPC
since the consummation of the Merger.


                                       2
<PAGE>


Katharine C. Lyall  Principal Occupation:  President, University of Wisconsin
                    System, Madison, Wisconsin.

                    Age:  57
      (Photo)
                    Served as a director of the Company since 1994.

                    Annual Meeting at which nominated term of office will 
                    expire:  2002

Other  Information:  Ms.  Lyall has served as  President  of the  University  of
Wisconsin System since April 1992.  Prior thereto,  she served as Executive Vice
President of the University of Wisconsin System. She also serves on the Board of
Directors of the Kemper National Insurance Companies and the Carnegie Foundation
for the  Advancement of Teaching.  She is a member of a variety of  professional
and community  organizations,  including the American Economic Association,  the
Carnegie Foundation for Advancement of Teaching (President,  Board of Trustees),
the  Wisconsin  Academy of Sciences,  Arts and  Letters,  the American Red Cross
(Dane County),  Competitive Wisconsin,  Inc., and Forward Wisconsin. In addition
to  her  administrative  position,  she  is a  professor  of  economics  at  the
University  of  Wisconsin-Madison.  Ms.  Lyall has served as a director  of WP&L
since 1986 and of IES and IPC since the consummation of the Merger.


Robert D. Ray       Principal Occupation:  President, Drake University, Des 
                    Moines, Iowa.

                    Age:  70
      (Photo)
                    Served as a director of the Company since the consummation 
                    of the Merger.

                    Annual Meeting at which nominated term of office will 
                    expire:  2002

Other  Information:  Mr. Ray has served as President of Drake  University  since
April 1998. He served as President and Chief Executive Officer of Life Investors
Insurance  Co.  (AEGON USA) from 1983 to 1989 and  President of Blue  Cross/Blue
Shield (Wellmark) from 1989 until his retirement in 1996. Prior thereto, Mr. Ray
served as Governor  of the State of Iowa for  fourteen  years,  and was a United
States  Delegate  to the  United  Nations  in 1984.  Before  that he was a trial
lawyer. He is a director of the Maytag Company (an appliance manufacturer) and a
director of Norwest Bank IA. He serves as Chairman of the National  Coalition on
Health  Care and the  National  Advisory  Committee  on Rural  Health.  Mr.  Ray
previously served as Chairman of the Board of Governors,  Drake University,  and
as a member of the Iowa  Business  Council.  Mr. Ray has served as a director of
IES (or  predecessor  companies)  since  1987  and of WP&L  and  IPC  since  the
consummation of the Merger.


                                       3
<PAGE>


Anthony R. Weiler   Principal  Occupation: Senior Vice President of 
                    Heilig-Meyers  Company,  a national  furniture
                    retailer with headquarters  in Richmond, Virginia.

                    Age:  62
      (Photo)
                    Served as a  director  of the  Company  since the
                    consummation of the Merger.

                    Annual Meeting at which nominated term of office will 
                    expire:  2002

Other  Information:  Mr.  Weiler was  previously  Chairman  and Chief  Executive
Officer of Chittenden & Eastman Company,  a national  manufacturer of mattresses
in Burlington,  Iowa.  Chittenden & Eastman  employed him in various  management
positions from 1960 to 1995. Mr. Weiler joined  Heilig-Meyers  Company as Senior
Vice President in 1995. Mr. Weiler  previously  served as President and Chairman
of the National Home Furnishings  Association and is currently a director of the
Retail Home  Furnishings  Foundation and the NHFA Insurance  Trust. He is a past
director of the Burlington  Area  Development  Corporation,  the Burlington Area
Chamber of Commerce and various community organizations. He is a board member of
the Tuckahoe YMCA in Richmond,  Virginia. Mr. Weiler has served as a director of
IES (or  predecessor  companies)  since  1979  and of WP&L  and  IPC  since  the
consummation of the Merger.


THE BOARD OF  DIRECTORS  RECOMMENDS  THE  FOREGOING  NOMINEES  FOR  ELECTION  AS
DIRECTORS AND URGES EACH SHAREOWNER TO VOTE "FOR" ALL NOMINEES. SHARES OF COMMON
STOCK  REPRESENTED  BY EXECUTED  BUT  UNMARKED  PROXIES  WILL BE VOTED "FOR" ALL
NOMINEES.


                                       4
<PAGE>


                              CONTINUING DIRECTORS

Erroll B. Davis, Jr. Principal Occupation:  President and Chief Executive
                     Officer of the Company.

                     Age:  54
      (Photo)
                     Served as a director of the Company since 1982.

                     Annual Meeting at which current term of office will 
                     expire:  2000

Other  Information:  Mr.  Davis was elected  President of the Company in January
1990,  and was  elected  President  and Chief  Executive  Officer of the Company
effective  July 1, 1990.  Mr.  Davis  joined WP&L in August 1978 and was elected
President in July 1987. He was elected  President and Chief Executive Officer of
WP&L in August 1988. Mr. Davis has also served as Chief Executive Officer of IES
and IPC since the  consummation  of the Merger.  He is a member of the Boards of
Directors  of BP  Amoco  p.l.c.,  PPG  Industries,  Inc.,  the  Edison  Electric
Institute,   the  Wisconsin  Manufacturers  and  Commerce  Association  and  the
Association  of  Edison  Illuminating  Companies.  He  also is a  member  of the
Electric  Power  Research  Institute,  the Iowa Business  Council,  the American
Society of Corporate Executives and the Nuclear Energy Institute.  Mr. Davis has
served  as a  director  of  WP&L  since  1984  and  of IES  and  IPC  since  the
consummation of the Merger.

Joyce L. Hanes      Principal  Occupation:  Director and Chairman of Midwest  
                    Wholesale,  Inc. (a products wholesaler), Mason City, Iowa.

                    Age:  66
      (Photo)
                    Served  as a  director  of the  Company  since  the
                    consummation of the Merger.

                    Annual meeting at which current term of office will 
                    expire:  2001

Other  Information:  Ms.  Hanes has been a director of Midwest  Wholesale  Inc.,
Mason City,  Iowa since 1970. She was  re-elected  Chairman of the Board of that
company in December  1997,  having  previously  served as Chairman  from 1986 to
1988. She is a director of the Iowa Student Loan  Liquidity  Corp. and the North
Iowa Area Community College Foundation and is President of Camp Tanglefoot, Inc.
Ms.  Hanes has served as a director  of IPC since 1982 and of WP&L and IES since
the consummation of the Merger.


                                       5
<PAGE>


Lee Liu             Principal Occupation:  Chairman of the Board of the Company.

                    Age:  65
      (Photo)
                    Served  as a  director  of the  Company  since the
                    consummation of the Merger.

                    Annual Meeting at which current term of office will 
                    expire:  2000

Other  Information:  Mr. Liu has served as  Chairman of the Board of the Company
since the  consummation  of the  Merger.  Mr. Liu was  Chairman of the Board and
Chief  Executive  Officer of IES  Industries and Chairman of the Board and Chief
Executive  Officer  of IES  prior to the  Merger.  Mr.  Liu has held a number of
professional,  management  and executive  positions  after joining Iowa Electric
Light  and Power  Company  (later  known as IES) in 1957.  He is a  director  of
McLeodUSA Inc., a  telecommunications  company in Cedar Rapids,  Iowa, Principal
Financial Group, an insurance company in Des Moines,  Iowa, and Eastman Chemical
Company, a diversified chemical company in Kingsport,  Tennessee. He also serves
as a trustee for Mercy Medical Center, a hospital in Cedar Rapids,  Iowa, and is
a member of the  University of Iowa College of Business  Board of Visitors.  Mr.
Liu has served as a director of IES (or predecessor companies) since 1981 and of
WP&L and IPC since the consummation of the Merger.


Arnold M. Nemirow   Principal  Occupation:  Chairman,  President and Chief
                    Executive Officer,  Bowater Incorporated (a pulp and paper 
                    manufacturer), Greenville, South Carolina.

                    Age:  55
      (Photo)
                    Served as a director of the Company since 1991.

                    Annual Meeting at which current term of office will 
                    expire: 2001

Other Information:  Mr. Nemirow served as President, Chief Executive Officer and
Director of Wausau Paper Mills Company, a pulp and paper manufacturer, from 1990
until joining Bowater  Incorporated in September 1994. Mr. Nemirow has served as
a director of WP&L since 1994 and of IES and IPC since the  consummation  of the
Merger. He is a member of the New York Bar.


                                       6
<PAGE>


Milton E. Neshek    Principal  Occupation:  General Counsel and member of the
                    Board of Directors of Kikkoman Foods, Inc.
                    (a food products manufacturer), Walworth, Wisconsin.

                    Age:  68
      (Photo)
                    Served as a director of the Company since 1986.

                    Annual Meeting at which current term of office will 
                    expire:  2000

Other Information: Mr. Neshek is Special Consultant to the Kikkoman Corporation,
Tokyo,   Japan,  and  General  Counsel,   Secretary  and  Manager,   New  Market
Development,  Kikkoman Foods,  Inc. He is also a director of Midwest  U.S.-Japan
Association and Wisconsin-Chiba,  Inc. He is a fellow in the American College of
Probate  Counsel.  Mr. Neshek is a member of the Walworth County Bar Association
and the State Bar of  Wisconsin.  Mr.  Neshek is also a member of the  Wisconsin
Sesquicentennial Commission and a member of its Executive and Finance Committee.
Mr. Neshek is a member of the Wisconsin  International  Trade Council  ("WITCO")
and is Chairman of the WITCO International  Education Task Force. Mr. Neshek has
served  as a  director  of  WP&L  since  1984  and  of IES  and  IPC  since  the
consummation of the Merger.


Jack R. Newman      Principal Occupation: Partner of Morgan, Lewis & Bockius,
                    an international law firm based in Washington, D.C.

                    Age:  65
      (Photo)
                    Served  as a  director  of the  Company  since  the
                    consummation of the Merger.

                    Annual Meeting at which current term of office will 
                    expire:  2001

Other  Information:  Mr. Newman has been engaged in private  practice since 1967
and has been a partner of Morgan,  Lewis & Bockius since December 1, 1994. Prior
to joining Morgan,  Lewis & Bockius, he was a partner in the law firms of Newman
&  Holtzinger  and  Newman,  Bouknight & Edgar.  He has served as nuclear  legal
counsel to IES since 1968.  He advises a number of utility  companies on nuclear
power  matters,  including  many European and Asian  companies.  Mr. Newman is a
member of the Bar of the State of New York, the Bar  Association of the District
of Columbia, the Association of the Bar of the City of New York, the Federal Bar
Association  and the Lawyers  Committee of the Edison  Electric  Institute.  Mr.
Newman has served as a director  of IES since 1994 and of WP&L and IPC since the
consummation of the Merger.


                                       7
<PAGE>


Judith D. Pyle      Principal Occupation:  Vice Chair of The Pyle Group, 
                    a financial services company, Madison, Wisconsin.

                    Age:  55
      (Photo)
                    Served as a director of the Company since 1992.

                    Annual Meeting at which current term of office will 
                    expire:  2001

Other  Information:  Prior to assuming her current position,  Ms. Pyle served as
Vice  Chair  and  Senior  Vice  President  of  Corporate  Marketing  of  Rayovac
Corporation (a battery and lighting products manufacturer),  Madison, Wisconsin.
Ms. Pyle is a director of Firstar Corporation. She is also a member of the Board
of Visitors at the University of Wisconsin School of Human Ecology. Further, Ms.
Pyle is a member of Boards of  Directors of the United Way  Foundation,  Greater
Madison Chamber of Commerce, Wisconsin Taxpayers Alliance, Children's Theatre of
Madison  and the Boys and  Girls  Club of Dane  County.  Ms.  Pyle is also  Vice
Chairman  of  Georgette  Klinger,  Inc.  and is a  trustee  of the  White  House
Endowment  Fund. Ms. Pyle has served as a director of WP&L since 1994 and of IES
and IPC since the consummation of the Merger.



David Q. Reed       Principal Occupation:  Independent practitioner of law in 
                    Kansas City, Missouri.

                    Age:  67
      (Photo)
                    Served  as a  director  of the  Company  since  the
                    consummation of the Merger.

                    Annual Meeting at which current term of office will 
                    expire:  2001

Other  Information:  Mr. Reed has been  engaged in the  private  practice of law
since  1960.  He is also  President  and Chief  Executive  Officer  of  Fairview
Enterprises,  Inc., a land holding  corporation  with properties in Missouri and
Michigan.  He is a member of the American Bar  Association,  the  Association of
Trial  Lawyers of  America,  the  Missouri  Association  of Trial  Lawyers,  the
Missouri  Bar and the Kansas City  Metropolitan  Bar  Association.  Mr. Reed has
served as a director of IES (or  predecessor  companies)  since 1967 and of WP&L
and IPC since the consummation of the Merger.


                                       8
<PAGE>


Robert W. Schlutz   Principal  Occupation:  President of Schlutz  Enterprises,
                    a diversified farming and retailing business in 
                    Columbus Junction, Iowa.

                    Age:  63
      (Photo)
                    Served  as a  director  of the  Company  since the
                    consummation of the Merger.

                    Annual Meeting at which current term of office will
                    expire:  2000

Other Information:  Mr. Schlutz is a director of PM Agri-Nutritional Group Inc.,
an animal health business in St. Louis, Missouri. Mr. Schlutz is a past director
for the Iowa Foundation for Agricultural Advancement, past President of the Iowa
State Fair Board,  past President of the Association of National  Kentucky Fried
Chicken  Franchisees,  and a past director of the National  Certified Angus Beef
Association. Mr. Schlutz is also a member of various community organizations. He
previously  served on the  National  Advisory  Council  for the  Kentucky  Fried
Chicken  Corporation.  He is a past  Chairman  of the  Environmental  Protection
Commission  for the State of Iowa.  Mr.  Schlutz has served as a director of IES
(or predecessor companies) since 1989 and of WP&L and IPC since the consummation
of the Merger


Wayne H. Stoppelmoor  Principal Occupation:  Vice Chairman of the Board 
                      of the Company.

                      Age:  64
      (Photo)
                      Served as a  director  of the  Company  since the
                      consummation of the Merger.

                      Annual Meeting at which current term of office will 
                      expire:  2000

Other  Information:  Mr. Stoppelmoor has served as Vice Chairman of the Board of
Directors of the Company since the  consummation  of the Merger.  Prior thereto,
Mr. Stoppelmoor had served as Chairman, President and Chief Executive Officer of
IPC. He retired as  President  of IPC on October 1, 1996 and as Chief  Executive
Officer  on January 1, 1997.  Mr.  Stoppelmoor  has served as a director  of IPC
since 1986 and of WP&L and IES since the consummation of the Merger.


                                       9
<PAGE>


                                  PROPOSAL #2:

                            CHANGE OF CORPORATE NAME

         The Board of Directors  proposes and  recommends  that the  shareowners
approve an amendment (the "Name Change Amendment") to Article I of the Company's
Restated  Articles  of  Incorporation  to change  the name of the  Company  from
"Interstate Energy  Corporation" to "Alliant Energy  Corporation".  The terms of
the Name Change  Amendment are set forth in Appendix A to this Proxy  Statement.
The name change is intended to reflect the  Company's  strategy to form valuable
alliances  and   partnerships   that  will  ensure   success  in  a  competitive
energy-services  marketplace and to reflect the Company's  long-term strategy to
expand its  energy-related  businesses both  domestically  and  internationally.
Changing the Company's name does not alter any of the rights of shareowners.

         The affirmative  vote of the holders of a majority of the shares of the
Company's common stock  represented and voted at the annual meeting  (assuming a
quorum is present) is  required to approve the Name Change  Amendment.  Assuming
the existence of a quorum,  any shares of common stock not voted at the meeting,
whether due to abstentions,  broker non-votes or otherwise,  will have no impact
regarding the proposal to approve the Name Change Amendment.

THE BOARD OF DIRECTORS RECOMMENDS A VOTE "FOR" THE NAME CHANGE AMENDMENT. SHARES
OF COMMON STOCK REPRESENTED BY EXECUTED BUT UNMARKED PROXIES WILL BE VOTED "FOR"
SUCH AMENDMENT.


                                  PROPOSAL #3:

             APPROVAL OF LONG-TERM EQUITY INCENTIVE PLAN, AS AMENDED

General

         The  Company's   Long-Term  Equity  Incentive  Plan  (the  "Plan")  was
initially adopted by the Board of Directors on January 23, 1994 and approved and
ratified by shareowners on May 18, 1994. In February 1999, the Board unanimously
adopted amendments to the Plan contingent upon shareowner  approval of the Plan,
as so amended, at the 1999 Annual Meeting of Shareowners.

         Among other things,  the  amendments to the Plan change the name of the
Plan to the "Interstate Energy  Corporation  Long-Term Equity Incentive Plan" to
reflect  the change in the name of the Company  after the  Merger.  In the event
that the Name Change Amendment is approved by shareowners,  the name of the Plan
will  automatically  become the "Alliant  Energy  Corporation  Long-Term  Equity
Incentive Plan." In addition,  the amendments to the Plan increase the aggregate
number of shares of common stock  authorized  for  issuance  under the Plan from
1,000,000 to 3,800,000  (subject to adjustment  in order to prevent  dilution in
certain cases described below).  As of the date of this Proxy Statement,  awards
covering an aggregate of 861,754 shares of common stock were  outstanding  under
the Plan.  The Board  approved  this  amendment  to allow  for the  issuance  of
additional  shares under the Plan.  The amendments to the Plan also increase the
number of shares of common stock that may be granted as restricted stock and the
number of shares of common stock with respect to which any  individual  employee
may be granted  options  thereunder.  Prior to being amended,  the Plan provided
that  300,000  shares of common stock could be granted as  restricted  stock and
that no employee was  permitted  to be granted  options that could result in the
employee  receiving  more than 150,000 shares of common stock under the Plan (in
each case subject to  adjustment  in order to prevent  dilution in certain cases
described  below).  As amended,  the Plan provides that 400,000 shares of common


                                       10
<PAGE>


stock may be granted as  restricted  stock and that no  employee  may be granted
options that could result in the employee  receiving more than 300,000 shares of
common stock under the Plan (subject to adjustment in order to prevent  dilution
in certain  cases  described  below).  The  increases  in these limits are being
proposed to reflect the increase in the  authorized  shares  issuable  under the
Plan, as amended.

         The following summary description of the Plan, as amended, is qualified
in its  entirety by  reference to the full text of the Plan which is attached to
this Proxy Statement as Appendix B.

Purpose of the Plan

         The purpose of the Plan is to promote the success and enhance the value
of the Company by linking the personal interests of the employees of the Company
and its  subsidiaries  to those of Company  shareowners,  and by providing  such
employees  with an incentive for  outstanding  performance.  The Plan is further
intended  to provide  flexibility  to the  Company in its  ability to  motivate,
attract,  and  retain the  services  of the  employees  of the  Company  and its
subsidiaries  upon whose judgment,  interest,  and special effort the successful
conduct of its operation largely is dependent.

Administration

         The Plan is required  to be  administered  by a committee  of the Board
(the  "Committee")  consisting  of not less than two  directors  who  qualify as
"Non-Employee  Directors"  pursuant to Rule 16b-3 under the Securities  Exchange
Act of 1934  and as  "outside  directors"  pursuant  to  Section  162(m)  of the
Internal Revenue Code (the "Code").  The  Compensation  and Personnel  Committee
serves as the  administrator  of the Plan,  unless  otherwise  determined by the
Board. Among other functions, the Committee has the authority to establish rules
for the  administration  of the Plan; to select the employees of the Company and
its  subsidiaries  to whom  awards will be granted;  to  determine  the types of
awards to be  granted  to  employees  and the  number of shares  covered by such
awards; to set the terms and conditions of such awards; to determine whether, to
what extent and when  awards may be settled in cash or shares;  and to amend the
terms and conditions of any outstanding  awards to the extent  authorized  under
the  Plan.  Except  as  otherwise  provided  in  the  Plan,  determinations  and
interpretations with respect to the Plan and any award agreements will be in the
sole discretion of the Committee,  whose determinations and interpretations will
be  binding  on  all  parties.  Any  nonunion  employee  of the  Company  or any
subsidiary, including any executive officer or employee-director of the Company,
is eligible to receive  awards under the Plan.  Approximately  90 employees  are
currently participating in the Plan.

Awards under the Plan; Available Shares

         The Plan  authorizes  the granting to employees of: (1) stock  options,
which may be either  incentive stock options  ("ISOs") which qualify for special
income  tax  treatment  under  Section  422 of the  Code or  nonqualified  stock
options;  (2) restricted  stock;  and/or (3) performance  shares and performance
units. The Plan, as amended,  provides that up to a total of 3,800,000 shares of
common stock  (subject to adjustment  as described  below) will be available for
the granting of awards.  Of this number,  up to 400,000 shares may be granted as
restricted  stock. If any shares subject to awards granted under the Plan, or to
which any award  relates,  are  forfeited or if an award  otherwise  terminates,
expires  or is  cancelled  prior to the  delivery  of all of the shares or other
consideration  issuable or payable pursuant to the award,  such shares (assuming
the holder of the award did not  receive  dividends  on the  shares or  exercise
other  indicia of  ownership)  will be available  for the granting of new awards
under  the  Plan.  Any  shares  delivered  pursuant  to an award  may be  either
authorized and unissued shares of common stock or shares  reacquired and held by
the Company.


                                       11
<PAGE>


Terms of Awards

         Options.  Options may be granted to employees at such times and in such
amounts as determined  by the  Committee,  provided  that the maximum  number of
shares subject to options that may be granted to any single  participant  during
the term of the Plan, as amended, is 300,000 (subject to adjustment as described
below).  The  exercise  price  per share of common  stock  subject  to an option
granted under the Plan will be determined  by the  Committee,  provided that the
exercise  price may not be less than 100% of the fair market value of a share of
common stock on the date of grant. In addition,  the Committee may grant options
with  exercise  prices that increase  over time.  The term of an option  granted
under the Plan will be as  determined  by the  Committee,  but cannot exceed ten
years. Options granted under the Plan will become exercisable in such manner and
within  such  period  or  periods  and in  such  installments  or  otherwise  as
determined by the Committee. Options will be exercised by payment in full of the
exercise price, either (1) in cash; (2) by tendering  previously acquired shares
of common stock having a fair market value on the date of exercise  equal to the
option exercise price; or (3) by a combination of (1) and (2). In addition,  the
Committee,  in its sole  discretion,  may allow cashless  exercises as permitted
under the Federal Reserve Board's  Regulation T. All ISOs granted under the Plan
will also be required to comply with all other terms of Section 422 of the Code.
At the  time an  option  is  granted,  the  Committee  may also  grant  dividend
equivalents.  Dividend  equivalents  give the participant a contingent  right to
receive an amount equal to the dividends  declared on a share of common stock on
all record dates during the period  specified  by the  Committee.  Payout of the
value  of a  dividend  equivalent  will  be made  pursuant  to  such  terms  and
conditions as determined by the Committee.

         In the event a  participant's  employment  is  terminated  by reason of
death,  disability  or  retirement,  all  outstanding  options  granted  to  the
participant  will  become  fully  vested and remain  exercisable  prior to their
expiration  or for one year (three years in the case of  retirement),  whichever
period is shorter.  If a  participant's  employment is terminated  for any other
reason (other than for cause),  unvested options held by the participant will be
forfeited,  unless otherwise determined by the Committee, and vested options may
be  exercised  during  the  three-month  period  following  termination.   If  a
participant's  employment  is  terminated  for cause,  all  options  held by the
participant will be forfeited.

         Restricted  Stock.   Shares  of  restricted  common  stock  granted  to
employees  under the Plan will be subject to such  restrictions as the Committee
may impose,  including a requirement that participants pay a stipulated purchase
price for each share and  restrictions  based upon the  achievement  of specific
performance goals (Company-wide, divisional and/or individual). The restrictions
imposed on the shares may lapse  separately  or in  combination  at such time or
times,  or in  such  installments  or  otherwise,  as  the  Committee  may  deem
appropriate. Upon termination of a participant's employment for any reason other
than death,  disability or retirement during the applicable  restriction period,
all shares of restricted  stock still subject to restriction  will be subject to
forfeiture  by the  participant.  In the  event a  participant's  employment  is
terminated  by  reason  of  death,  disability  or  retirement,  all  shares  of
restricted  stock still subject to restriction  will become fully vested.  Under
the Plan, the Committee has the authority in its discretion to waive in whole or
in part any or all remaining  restrictions  with respect to shares of restricted
stock granted to an employee.

         During the period of restriction, participants may exercise full voting
rights with  respect to  restricted  shares and may  receive  all  regular  cash
dividends  paid with  respect  to those  shares.  All other cash  dividends  and
distributions  may be credited to participants  subject to the same restrictions
on  transferability  and forfeitability as the restricted shares with respect to
which they are paid. If any dividends or distributions  are paid in shares,  the
shares will be subject to the same restrictions on transferability as the shares
on which the dividends or distributions are paid.


                                       12
<PAGE>


         Performance  Shares and Performance  Units.  The Plan also provides for
the granting of  performance  shares and  performance  units to  employees.  The
Committee will  determine the number of performance  units and shares granted to
participants;  provided that so long as the Committee determines that a grant of
performance    units   or   performance    shares   should   qualify   for   the
"performance-based"  exemption  under  Section  162(m) of the Code,  the maximum
payout to any executive officer named in the compensation  table with respect to
performance  units  and/or  performance  shares  granted in any  fiscal  year is
$400,000. The Committee will determine the applicable performance period, which,
in all  cases,  will  exceed six  months,  the  performance  goal or goals to be
achieved during any performance  period, the proportion of payments,  if any, to
be made for performance  between the minimum and full performance levels and any
other terms,  conditions and rights relating to the grant of performance  shares
or performance  units.  Company and subsidiary  performance goals established by
the  Committee  under  the Plan may be  chosen  from  return  on  equity,  total
shareowner return,  net income,  earnings per share and cash flow. The Committee
will  establish the specific  goals each year prior to the  commencement  of the
period to which the  compensation  relates.  Payment on  performance  shares and
performance  units  held by  employees  will be made in cash or shares of common
stock (which,  in the discretion of the  Committee,  may be shares of restricted
stock) (or in a combination thereof),  which have an aggregate fair market value
equal to the value of the  earned  performance  shares  and  performance  units.
Payments will be made in a single lump sum within  seventy-five  days  following
the close of the applicable performance period, unless the participant elects to
defer payment.

         In the event a  participant's  employment  is  terminated  by reason of
death,  disability,  retirement or involuntary  termination  without cause,  the
participant  will receive a prorated  payout of the  performance  shares  and/or
performance units as determined by the Committee based on the length of time the
awards were held and the achievement of the  preestablished  performance  goals.
Upon  termination  of a  participant's  employment  for any  other  reason,  all
performance shares and performance units will be forfeited.

         Participants  will be  entitled  to  receive  dividends  declared  with
respect to shares earned in  connection  with grants of  performance  shares and
performance  units,   subject  to  the  same  accrual,   forfeiture  and  payout
restrictions  which  apply  with  respect  to shares  of  restricted  stock.  In
addition,  participants may, at the discretion of the Committee,  be entitled to
exercise  voting  rights  with  respect  to shares  which  have  been  earned in
connection with grants of performance units and performance shares.

Adjustments

         In  the   event   of   any   merger,   reorganization,   consolidation,
recapitalization,  repurchase,  separation,  liquidation,  stock dividend, share
exchange,  split-up,  spin-off,  share combination or any other change affecting
the common  stock such that an  adjustment  is  appropriate  in order to prevent
dilution or  enlargement  of the benefits or potential  benefits  intended to be
made available under the Plan,  then the Committee  generally has the authority,
in such  manner as it deems  equitable,  to adjust  (1) the  number  and type of
securities  that may be  issued  under  the  Plan,  (2) the  number  and type of
securities  subject  to  outstanding  awards,  and (3) the  grant,  purchase  or
exercise  price  with  respect to any award.  The  Committee  may limit any such
adjustment  in order to  qualify  a  transaction  in which  the  Company  or any
affiliate is a party for pooling-of-interests accounting treatment.

Limits on Transferability

         Except as otherwise  provided by the Committee,  no award granted under
the Plan may be  assigned,  sold,  pledged,  transferred  or  encumbered  by any
participant, otherwise than by will, or by the laws of descent and distribution.


                                       13
<PAGE>


Amendment and Termination

         The Board may amend,  suspend  or  terminate  the Plan at any time.  No
termination,  amendment,  or  modification  of the Plan may (except as otherwise
expressly contemplated by the Plan, as amended, for awards granted after January
20, 1999) adversely affect in any material way any outstanding award without the
consent of the holder of such award.

Deferrals
         The Committee may permit a participant  to defer receipt of the payment
of cash or  delivery  of shares due with  respect  to an award,  subject to such
rules and procedures as the Committee may establish.

Withholding

         The  Company  has the right to reduce the number of shares or amount of
cash  payable  under an award by the amount  necessary  to satisfy any  federal,
state,  local or foreign  taxes of any kind  required by law to be withheld with
respect to such  amount or to take such other  actions  as may be  necessary  to
satisfy any such  withholding  obligations.  The Committee may require or permit
withholding  obligations  arising  with  respect to awards  under the Plan to be
settled with shares of common stock,  including  shares of common stock that are
part of, or are  received  upon  exercise  of,  the award that gives rise to the
withholding  requirement.  The  obligations  of the  Company  under the Plan are
conditional on such payment or  arrangements,  and the Company and any affiliate
will,  to the extent  permitted by law,  have the right to deduct any such taxes
from any payment otherwise due to the employee. The Committee may establish such
procedures as it deems  appropriate for the settling of withholding  obligations
with shares of common stock.

Change in Control

         Upon the  occurrence of a Change in Control (as defined in the Plan) of
the Company (1) all outstanding options will become immediately exercisable; (2)
any restriction periods and related restrictions on restricted stock will lapse;
(3) the target payout opportunity  attainable under all outstanding  performance
units and shares will be deemed fully earned for the entire  performance  period
and a pro rata portion of the performance share or unit, based on the portion of
the performance period which has elapsed,  will be paid out in cash; and (4) the
Committee may make any other modifications to outstanding awards, except, in all
cases, unless otherwise  specifically  prohibited by the Plan. The Committee may
amend,  modify or rescind these  provisions  of the Plan if it  determines  that
these provisions may prevent a transaction in which the Company or any affiliate
is a party from being accounted for on a pooling-of-interests basis.

Certain Federal Income Tax Consequences

         Stock  Options.  The grant of a stock option under the Plan will create
no income tax consequences to the participant or the Company.  A participant who
is granted a nonqualified stock option will generally  recognize ordinary income
at the time of  exercise  in an amount  equal to the  excess of the fair  market
value of the common stock at such time over the exercise price. The Company will
be entitled  to a deduction  in the same amount and at the same time as ordinary
income is recognized by the participant.  A subsequent disposition of the common
stock will give rise to capital  gain or loss to the extent the amount  realized
from the sale  differs  from the tax basis,  i.e.,  the fair market value of the
common  stock on the  date of  exercise.  This  capital  gain or loss  will be a
long-term or short-term  capital gain or loss  depending upon the length of time
the common stock was held.


                                       14
<PAGE>


         In general,  if a participant holds the shares of common stock acquired
pursuant to the exercise of an ISO for at least two years from the date of grant
and one year from the date of exercise, the participant will recognize no income
or gain as a result of exercise  (except  that the  alternative  minimum tax may
apply).  Any gain or loss realized by the  participant on the disposition of the
common stock will be treated as a long-term  capital gain or loss.  No deduction
will be allowed to the Company.  If either of these holding period  requirements
is not satisfied,  the participant will recognize ordinary income at the time of
the disposition  equal to the lesser of (1) the gain realized on the disposition
or (2) the  difference  between the exercise  price and the fair market value of
the shares of common stock on the date of exercise. The Company will be entitled
to a deduction  in the same  amount and at the same time as  ordinary  income is
recognized by the  participant.  Any additional gain realized by the participant
over the fair market value at the time of exercise  will be treated as a capital
gain. This capital gain will be a long-term or short-term capital gain depending
upon the length of time the common stock was held.

         Restricted Stock. If a stock award is granted in the form of restricted
stock,  the participant  will not recognize  income upon the award of restricted
stock under the Plan unless the election  described below is made. An individual
who has not made such an election will recognize  ordinary  income at the end of
the applicable restriction period in an amount equal to the fair market value of
the restricted stock at such time, reduced by any amount paid for the stock. The
Company will be entitled to a corresponding  deduction in the same amount and at
the same  time as the  participant  recognizes  income.  Any  otherwise  taxable
disposition of the stock after the end of the applicable restriction period will
result in capital gain or loss (long-term or short-term  depending on the length
of time the restricted stock is held after the end of the applicable restriction
period).  Dividends paid in cash and received by a participant  prior to the end
of the applicable  restriction  period will  constitute  ordinary  income to the
participant  in the year paid.  The Company will be entitled to a  corresponding
deduction for such  dividends,  subject to the  application of Section 162(m) of
the Code, as more completely  described  below. Any dividends paid in stock will
be  treated  as an award  of  additional  restricted  stock  subject  to the tax
treatment described herein.

         A  participant  may,  within  30 days  after  the date of the  award of
restricted stock, elect to recognize ordinary income as of the date of the award
in an amount equal to the fair market value of such restricted stock on the date
of the award,  reduced by any amount  paid for the stock.  The  Company  will be
entitled to a corresponding deduction in the same amount and at the same time as
the participant  recognizes income, subject to the application of Section 162(m)
of the Code, as more  completely  described  below. If the election is made, any
cash dividends  received with respect to the restricted stock will be treated as
dividend  income  to the  participant  in the  year of  payment  and will not be
deductible by the Company.  Any otherwise taxable  disposition of the restricted
stock (other than by forfeiture)  will result in capital gain or loss (long-term
or short-term  depending on the holding period). If the participant who has made
an election  subsequently  forfeits the restricted  stock,  the participant will
only be  entitled  to deduct a loss  equal to the  amount  (if any) paid for the
stock.  In addition,  the Company  would then be required to include as ordinary
income the amount of the  deduction it  originally  claimed with respect to such
shares.

         Performance  Shares and  Performance  Units.  The grant of  performance
units or  performance  shares  will  create no income tax  consequences  for the
participant or the Company.  Upon the receipt of cash, shares of common stock or
other property at the end of the applicable  performance period, the participant
will generally recognize ordinary income equal to the amount of any cash and the
fair market value of any shares or other property received.  The Company will be
entitled  to a  deduction  in the same  amount and at the same time as income is
recognized by the participant.


                                       15
<PAGE>


         Code Section  162(m).  Section  162(m) of the Code limits the Company's
income  tax  deduction  for  compensation  paid in any  taxable  year to certain
executive officers to $1,000,000 per individual. Amounts in excess of $1,000,000
are not deductible unless one of several exceptions apply. The Committee intends
to grant awards under the Plan that are designed,  in most cases, to qualify for
one such exception,  the  performance-based  compensation  exception.  While the
grant of options,  performance shares and performance units can be structured so
as to qualify for this  exception,  the  restricted  stock grants may or may not
qualify for this exception,  depending on the nature of the restrictions imposed
by the  Committee.  The Company does not  anticipate  that Section 162(m) of the
Code will have a material impact on its ability to deduct  compensation  payable
under the Plan.

Awards Under the Plan

         During  1998,  the  Committee  approved  grants  of stock  options  and
performance  shares to  executive  officers  and others  that are not subject to
shareowner approval of the Plan, as amended. See "Option/SAR Grants in 1998" and
"Long-Term  Incentive Awards in 1998." The Committee has not approved any grants
of awards that require shareowner approval of the Plan, as amended.

         The  Company  cannot  currently  determine  the number of shares or the
types of shares that may be granted to eligible  participants under the Plan, as
amended,  in the future.  Such  determinations will be made from time to time by
the Committee.

         On March  17,  1999,  the last  reported  sales  price per share of the
common stock on the New York Stock Exchange was $28.4375.

Vote Required

         The  affirmative  vote of the  holders of a  majority  of the shares of
common stock  represented and voted at the annual meeting  (assuming a quorum is
present) is required to approve the Plan,  as amended;  provided that a majority
of the  outstanding  shares  of the  Company's  common  stock  are  voted on the
proposal.  Assuming  such  proviso  is met,  any  shares not voted at the annual
meeting  (whether by broker  non-votes or otherwise)  will have no impact on the
vote. In the event that the Plan, as amended,  is not approved by shareowners at
the 1999 Annual  Meeting,  the Plan  (except for the  amendments  adopted by the
Board in February 1999) will remain in full force and effect.

THE BOARD  RECOMMENDS A VOTE "FOR" THE PLAN, AS AMENDED.  SHARES OF COMMON STOCK
REPRESENTED AT THE ANNUAL MEETING BY EXECUTED BUT UNMARKED PROXIES WILL BE VOTED
"FOR" THE PLAN, AS AMENDED.


                                       16
<PAGE>


                      MEETINGS AND COMMITTEES OF THE BOARD

         The Board of Directors of the Company has standing Audit,  Compensation
and Personnel,  and Nominating and Governance Committees.  Information regarding
each of the committees is set forth below.

Audit Committee

         The Audit  Committee  held one  meeting  in 1998.  The Audit  Committee
currently  consists of J. L. Hanes  (Chair),  K. C. Lyall,  M. E. Neshek,  J. R.
Newman  and R. W.  Schlutz.  The  Audit  Committee  recommends  to the Board the
appointment  of  independent  auditors;  reviews the reports and comments of the
independent  auditors;  reviews  the  activities  and  reports of the  Company's
internal  audit staff;  and, in response to the reports and comments of both the
independent  auditors and internal auditors,  recommends to the Board any action
which the Audit Committee considers appropriate.

Compensation and Personnel Committee

         The Compensation  and Personnel  Committee held three meetings in 1998.
The Compensation  and Personnel  Committee  currently  consists of A. M. Nemirow
(Chair), A. B. Arends, J. D. Pyle, D. Q. Reed and A. R. Weiler. The Compensation
and Personnel  Committee sets executive  compensation  policy;  administers  the
Company's  Long-Term  Equity  Incentive  Plan;  reviews the  performance  of and
approves salaries for officers and certain other management  personnel;  reviews
and recommends to the Board new or changed employee benefit plans; reviews major
provisions  of  negotiated  employment  contracts;  and reviews  human  resource
development programs.

Nominating and Governance Committee

         The Nominating and Governance  Committee held two meetings in 1998. The
Nominating and Governance Committee currently consists of R. G. Flowers (Chair),
A. B.  Arends,  J. D.  Pyle,  R. D. Ray and A. R.  Weiler.  The  Nominating  and
Governance Committee's  responsibilities include recommending and nominating new
members  of  the  Board,   recommending   committee  assignments  and  committee
chairpersons, evaluating overall Board effectiveness, preparing an annual report
on  Chief  Executive  Officer  effectiveness,  and  considering  and  developing
recommendations to the Board of Directors on other corporate  governance issues.
In making  recommendations of nominees for election to the Board, the Nominating
and Governance Committee will consider nominees recommended by shareowners.  Any
shareowner  wishing to make a  recommendation  should write the Chief  Executive
Officer of the Company,  who will forward all  recommendations to the Committee.
The Company's  Bylaws also provide for shareowner  nominations of candidates for
election as directors.  These  provisions  require such  nominations  to be made
pursuant  to timely  notice  (as  specified  in the  Bylaws)  in  writing to the
Corporate Secretary of the Company.

         The Board of Directors  held five meetings  during 1998.  All directors
attended at least 88% of the aggregate number of meetings of the Board and Board
committees on which he or she served.


                                       17
<PAGE>


                            COMPENSATION OF DIRECTORS

         No fees are paid to directors  who are  officers of the Company  and/or
any of its  subsidiaries  (presently  Mr. Davis,  Mr. Liu and Mr.  Stoppelmoor).
Non-management directors, each of whom serve on the Boards of the Company, WP&L,
IES, IPC and AERI, receive an annual retainer of $32,800 for service on all five
Boards.   Travel   expenses  are  paid  for  each  meeting  day  attended.   All
non-management directors also receive a 25 percent Company matching contribution
in common  stock for limited  optional  cash  purchases,  up to $10,000,  of the
Company's common stock through the Company's  Shareowner  Direct Plan.  Matching
contributions  of $2,500 each for calendar year 1998 were made for the following
directors: A. B. Arends, R. G. Flowers, J. L. Hanes, K. C. Lyall, A. M. Nemirow,
M. E. Neshek, J. R. Newman, J. D. Pyle, R. D. Ray, and R. W. Schlutz.  As of the
effective  date of the Merger,  a previously  existing  retirement  plan for IES
Industries directors was terminated.  Persons with vested interests in that plan
received a payout of those  interests at the time of the Merger.  Those  persons
receiving such a payout included the following  directors:  L. Liu - $76,800, R.
D. Ray - $76,800,  D. Q. Reed -  $76,800,  R. W.  Schlutz -  $76,800,  and A. R.
Weiler - $76,800.

         Director's   Charitable  Award  Program  -  The  Company   maintains  a
Director's  Charitable  Award  Program for the members of its Board of Directors
beginning  after  three  years of  service.  The  purpose  of the  Program is to
recognize  the interest of the Company and its  directors in  supporting  worthy
institutions,  and to enhance the Company's director benefit program so that the
Company is able to  continue  to attract  and retain  directors  of the  highest
caliber.  Under the  Program,  when a director  dies,  the Company will donate a
total of  $500,000  to one  qualified  charitable  organization,  or divide that
amount among a maximum of four qualified charitable  organizations,  selected by
the individual  director.  The individual  director derives no financial benefit
from the Program.  All deductions for charitable  contributions are taken by the
Company,  and the  donations  are funded by the Company  through life  insurance
policies on the directors.  Over the life of the Program, all costs of donations
and premiums on the life insurance policies, including a return of the Company's
cost  of  funds,  will be  recovered  through  life  insurance  proceeds  on the
directors.  The Program,  over its life, will not result in any material cost to
the Company.

         Director's   Life   Insurance   Program  -  The  Company   maintains  a
split-dollar  Director's  Life  Insurance  Program for  non-employee  directors,
beginning  after three years of service,  which provides a maximum death benefit
of $500,000  to each  eligible  director.  Under the  split-dollar  arrangement,
directors  are provided a death benefit only and do not have any interest in the
cash value of the policies.  The Life  Insurance  Program is structured to pay a
portion of the total death  benefit to the Company to reimburse  the Company for
all costs of the program,  including a return on its funds.  The Life  Insurance
Program, over its life, will not result in any material cost to the Company. The
imputed  income  allocations  reported  for  each  director  in 1998  under  the
Director's Life Insurance  Program were as follows:  R. G. Flowers - $432, K. C.
Lyall - $393, A. M. Nemirow - $37, M. E. Neshek - $950 and J. D. Pyle - $70.

         Director  Jack R.  Newman  serves as legal  counsel  to the  Company on
nuclear issues.  Mr. Newman's firm,  Morgan,  Lewis & Bockius  provides  certain
legal services to the Company.


                                       18
<PAGE>


                         OWNERSHIP OF VOTING SECURITIES

         Listed in the following  table are the shares of the  Company's  common
stock owned by the executive  officers listed in the Summary  Compensation Table
and all  directors  of the  Company,  as well as the  number of shares  owned by
directors  and  executive  officers  as a group as of  December  31,  1998.  The
directors and  executive  officers of the Company as a group owned less than one
percent of the outstanding shares of common stock on that date. To the Company's
knowledge,  no shareowner  beneficially owned 5 percent or more of the Company's
outstanding common stock as of December 31, 1998.

                                                                 Shares
                                                              Beneficially
         Name of Beneficial Owner                                Owned(1) 
         Executives(2)
              Michael R. Chase...............................     7,025
              William D. Harvey..............................    23,759  (3)
              Eliot G. Protsch...............................    23,817  (3)

         Director Nominees
              Alan B. Arends.................................     2,202
              Rockne G. Flowers..............................    10,189
              Katharine C. Lyall.............................     7,715
              Robert D. Ray..................................     4,032
              Anthony R. Weiler..............................     4,603  (3)

         Continuing Directors
              Erroll B. Davis, Jr............................    59,292  (3)
              Joyce L. Hanes.................................     2,858  (3)
              Lee Liu........................................    66,247  (3)
              Arnold M. Nemirow..............................    10,387
              Milton E. Neshek...............................    12,315
              Jack R. Newman.................................     2,027
              Judith D. Pyle.................................     6,297
              David Q. Reed..................................     6,043  (3)
              Robert W. Schlutz..............................     4,185
              Wayne H. Stoppelmoor...........................    12,424

         All Executives and Directors as a Group
              35 people, including those listed above........   399,672  (3)

         ---------------
          (1)  Total shares of Company  common stock  outstanding as of December
               31, 1998 were 77,630,043.

          (2)  Stock  ownership  of  Mr.  Davis  and  Mr.  Liu  are  shown  with
               continuing directors.

          (3)  Included in the  beneficially  owned  shares  shown are  indirect
               ownership interests with shared voting and investment powers: Mr.
               Harvey - 1,897, Mr. Protsch - 573, Mr. Davis - 5,866, Ms. Hanes -
               541, Mr. Liu - 9,755,  Mr. Reed - 353 and Mr. Weiler - 1,037; and
               excercisable  stock  options:  Mr. Davis - 37,950,  Mr.  Harvey -
               13,152, Mr. Protsch - 13,152, Mr. Liu - 8,449 and Mr. Stoppelmoor
               -  6,336  (all  executive  officers  and  directors  as a group -
               148,072).


                                       19
<PAGE>

                       COMPENSATION OF EXECUTIVE OFFICERS

         The  following  Summary   Compensation   Table  sets  forth  the  total
compensation  paid by the Company and its subsidiaries for all services rendered
during 1998,  1997, and 1996 to the Chief  Executive  Officer and the four other
most highly  compensated  executive  officers of the Company or its subsidiaries
who performed policy making functions for the Company.

<TABLE>

                           SUMMARY COMPENSATION TABLE
<CAPTION>
                                                            (Dollars)

                                                                                            Long-Term
                                              Annual Compensation                      Compensation Awards
                                        ---------------------------------------   ------------------------------
                                                                                                   Securities        
                                                                                                   Underlying        
                                                                      Other         Restricted      Options/         
Name and                                                             Annual            Stock          SARs           All Other
Principal Position           Year       Salary      Bonus(2)     Compensation(3)     Awards(4)     (Shares)(5)    Compensation(6)
<S>                          <C>       <C>          <C>            <C>               <C>              <C>             <C>    
Erroll B. Davis, Jr.         1998      $540,000     $      -       $13,045           $                36,752          $57,996
President and CEO            1997       450,000      200,800        19,982                  -         13,800           60,261
                             1996       450,000      297,862        23,438                  -         12,600           66,711

Lee Liu                      1998       400,000            -             -            337,241         25,347           52,073
Chairman of the Board        1997       400,000      189,000         5,956            176,391              -           13,277
                             1996       380,000      175,000         2,578            253,475              -           13,956

Michael R. Chase(1)          1998       253,846            -             -                  -         11,406(7)         6,997
Executive Vice President     1997       225,000        6,750             -                  -              -            1,600
                             1996       171,250            -             -                  -              -              250

William D. Harvey            1998       233,846            -         4,699                  -         11,406           28,642
Executive Vice President     1997       220,000       43,986        14,944                  -          5,100           33,043
                             1996       220,000       92,104        10,765                  -          4,650           29,343

Eliot G. Protsch             1998       233,846            -         2,443                  -         11,406           20,398
Executive Vice President     1997       220,000       51,400        11,444                  -          5,100           30,057
                             1996       220,000      101,224         7,657                  -          4,650           25,890


(1)  Mr. Chase retired on December 31, 1998.

(2)  No bonuses were paid for 1998.

(3)  Other Annual Compensation for 1998 consists of income tax gross-ups for reverse split-dollar life insurance.

(4)  Prior to the Merger, IES Industries had historically made awards of restricted stock. Such awards (to the extent not previously
     vested) vested  automatically  upon the consummation of the Merger.  The number of shares of restricted stock reflected in this
     table that were subject to such automatic vesting are as follows: Mr. Liu - 8,703 shares awarded for 1998, 5,004 shares awarded
     for 1997 and 8,703 shares awarded for 1996. Restricted stock was considered  outstanding upon the award date and dividends were
     paid to the eligible officers on these shares while restricted. The amounts shown in the table above represent the value of the
     awards based upon the closing price of IES Industries common stock on the award date.

(5)  Awards made in 1998 were in combination with performance share awards as described in the table entitled  "Long-Term  Incentive
     Awards in 1998".

(6)  All Other Compensation for 1998 consists of: matching  contributions to 401(k) Plan and Deferred Compensation Plan, Mr. Davis -
     $16,200, Mr. Liu - $4,754, Mr. Chase - $6,997, Mr. Harvey - $7,015 and Mr. Protsch - $7,015;  financial counseling benefit, Mr.
     Davis - $7,000, Mr. Liu - $4,448, Mr. Harvey - $7,000 and Mr. Protsch - $2,333; split dollar life insurance premiums, Mr. Davis
     - $20,653, Mr. Harvey - $8,738 and Mr. Protsch - $7,989; reverse split dollar life insurance, Mr. Davis - $14,143, Mr. Harvey -
     $5,889 and Mr. Protsch - $3,061;  life insurance  coverage in excess of $50,000,  Mr. Liu - $9,910; and dividends on restricted
     stock,  Mr. Liu - $32,961.  The split dollar  insurance  premiums are  calculated  using the "foregone  interest"  method.  See
     "Agreements and Transactions with Executives" for details of payments to Mr. Chase pursuant to his Early Retirement Agreement.

(7)  All of the options granted in 1998 were cancelled effective December 31, 1998.

</TABLE>


                                       20
<PAGE>


                                  STOCK OPTIONS

         The following table sets forth certain  information  concerning options
granted during 1998 to the executives named below:

<TABLE>

                                        OPTION/SAR GRANTS IN 1998
<CAPTION>
                                                                                                 Potential Realizable
                                                                                                   Value at Assumed
                                                                                                 Annual Rates of Stock
                                                                                                Appreciation for Option
                                                        Individual Grants                               Term(2)
         -------------------------- ---------------------------------------------------------- --------------------------
                                      Number of                                                                          
                                     Securities      % of Total                                                          
                                     Underlying     Options/SARs                                                         
                                      Options/       Granted to      Exercise or                                          
                                        SARs        Employees in     Base Price   Expiration                             
                   Name              Granted(1)      Fiscal Year     ($/Share)       Date           5%           10%
         -------------------------- -------------- ---------------- ------------- ------------ ------------ -------------
         <S>                           <C>               <C>          <C>           <C>         <C>         <C>

         Erroll B. Davis, Jr.           36,752           5.8%         $31.5625      6/30/08     $729,527    $1,848,993
         -------------------------- -------------- ---------------- ------------- ------------ ------------ -------------
         Lee Liu                        25,347           4.0%          31.5625      6/30/08      503,138     1,275,208
         -------------------------- -------------- ---------------- ------------- ------------ ------------ -------------
         Michael R. Chase               11,406(3)        1.8%          31.5625      6/30/08      226,409       573,836
         -------------------------- -------------- ---------------- ------------- ------------ ------------ -------------
         William D. Harvey              11,406           1.8%          31.5625      6/30/08      226,409       573,836
         -------------------------- -------------- ---------------- ------------- ------------ ------------ -------------
         Eliot G. Protsch               11,406           1.8%          31.5625      6/30/08      226,409       573,836
         -------------------------- -------------- ---------------- ------------- ------------ ------------ -------------

          (1)  Consists of non-qualified  stock options to purchase shares of Company common stock granted pursuant to the Company's
               Long Term Equity Incentive Plan. Options were granted on July 1, 1998, and will fully vest on January 2, 2001. Upon a
               "change in  control"  of the  Company as defined in the Plan or upon  retirement,  disability  or death of the option
               holder, these options shall become immediately  exercisable.  Upon exercise of an option, the executive purchases all
               or a portion of the shares covered by the option by paying the exercise  price  multiplied by the number of shares as
               to which the option is exercised, either in cash or by surrendering common shares already owned by the executive.

          (2)  The  hypothetical  potential  appreciation  shown for the named executives is required by the Securities and Exchange
               Commission  ("SEC") rules. The amounts shown do not represent either the historical or expected future performance of
               the  Company's  common stock level of  appreciation.  For example,  in order for the named  executives to realize the
               potential  values set forth in the 5% and 10% columns in the table above, the price per share of the Company's common
               stock would be $51.41 and $81.87, respectively, as of the expiration date of the options.

          (3)  All of such options were cancelled effective December 31, 1998.

</TABLE>


                                                                 21
<PAGE>

         The following table provides information for the executives named below
regarding the number and value of exercisable and unexercised  options.  None of
the executives exercised options in fiscal 1998.

<TABLE>

                                      OPTION/SAR VALUES AT DECEMBER 31, 1998
<CAPTION>
                                          Number of Securities Underlying
                                                    Unexercised                 Value of Unexercised In-the-Money
                                          Options/SARs at Fiscal Year End          Options/SARs at Year End(1)

             -------------------------- ------------------------------------- ---------------------------------------
                       Name               Exercisable       Unexercisable       Exercisable        Unexercisable
             -------------------------- ----------------- ------------------- ----------------- ---------------------
             <S>                             <C>                <C>               <C>                 <C>   

             Erroll B. Davis, Jr.            13,100             63,152            $62,225             $102,817
             -------------------------- ----------------- ------------------- ----------------- ---------------------
             Lee Liu                              0             25,347                  0               17,426
             -------------------------- ----------------- ------------------- ----------------- ---------------------
             Michael R. Chase                     0                  0                  0                    0
             -------------------------- ----------------- ------------------- ----------------- ---------------------
             William D. Harvey                4,700             21,156             22,325               36,492
             -------------------------- ----------------- ------------------- ----------------- ---------------------
             Eliot G. Protsch                 4,700             21,156             22,325               36,492
             -------------------------- ----------------- ------------------- ----------------- ---------------------

              (1)  Based on the  closing per share price on  December  31, 1998 of Company  common  stock of $32.25

</TABLE>

         Long-Term  Incentive Awards - The following table provides  information
concerning  long-term  incentive  awards made to the  executives  named below in
1998.

<TABLE>

                                        LONG-TERM INCENTIVE AWARDS IN 1998
<CAPTION>
                                                                                     Estimated Future Payouts Under
                                                                                      Non-Stock Price-Based Plans
          --------------------------- ---------------- --------------------- -----------------------------------------------
                                         Number of        Performance or                                                    
                                       Shares, Units    Other Period Until                                                  
                     Name             or Other Rights  Maturation or Payout     Threshold         Target        Maximum
                                          (#)(1)                                   (#)             (#)            (#)
          --------------------------- ---------------- --------------------- ----------------- ------------- ---------------
          <S>                             <C>                 <C>                 <C>             <C>            <C>  

          Erroll B. Davis, Jr.            11,026              1/2/01              5,513           11,026         22,052
          --------------------------- ---------------- --------------------- ----------------- ------------- ---------------
          Lee Liu                          7,604              1/2/01              3,802            7,604         15,208
          --------------------------- ---------------- --------------------- ----------------- ------------- ---------------
          Michael R. Chase                    --                  --                 --               --             --
          --------------------------- ---------------- --------------------- ----------------- ------------- ---------------
          William D. Harvey                2,661              1/2/01              1,330            2,661          5,322
          --------------------------- ---------------- --------------------- ----------------- ------------- ---------------
          --------------------------- ---------------- --------------------- ----------------- ------------- ---------------
          Eliot G. Protsch                 2,661              1/2/01              1,330            2,661          5,322
          --------------------------- ---------------- --------------------- ----------------- ------------- ---------------

          (1)  Consists of performance shares awarded under the Company's  Long-Term Equity Incentive Plan. These performance shares
               will vest based on achievement of specified Total Shareholder  Return (TSR) levels as compared with an investor-owned
               utility peer group over the period ending  January 2, 2001.  Payouts will be in shares of Company  common stock,  but
               will be modified by a performance multiplier which ranges from 0 to 2.00.

</TABLE>

                                                                 22
<PAGE>

                       CERTAIN AGREEMENTS AND TRANSACTIONS

         Each of  Messrs.  Liu and Davis  have  employment  agreements  with the
Company.  Pursuant to Mr. Liu's agreement, Mr. Liu will serve as Chairman of the
Company until April 21, 2000.  Mr. Liu will  thereafter  retire as an officer of
the Company,  although he may continue to serve as a director.  Under Mr. Davis'
agreement,  Mr. Davis will serve as the Chief  Executive  Officer of the Company
until April 21,  2003.  Mr. Davis will also serve as the Chairman of the Company
following  April 21, 2000.  Following the  expiration of the initial term of Mr.
Davis'  employment  agreement,   his  agreement  will  automatically  renew  for
successive  one-year  terms,  unless either Mr. Davis or the Company gives prior
written notice of his or its intent to terminate the  agreement.  Mr. Davis will
also serve as Chief Executive Officer of each subsidiary of the Company until at
least April 21, 2001 and as a director of such companies  during the term of his
employment agreement.

         Mr. Liu's employment  agreement provides that he receive an annual base
salary of not less than $400,000,  and supplemental  retirement benefits and the
opportunity to earn short-term and long-term incentive  compensation  (including
stock options,  restricted stock and other long-term incentive  compensation) in
amounts no less than he was eligible to receive from IES  Industries  before the
effective time of the Merger. Pursuant to Mr. Davis' employment agreement, he is
paid an annual base  salary of not less than  $450,000.  Mr.  Davis also has the
opportunity to earn short-term and long-term incentive  compensation  (including
stock options,  restricted stock and other long-term incentive  compensation) in
amounts no less than he was eligible to receive before the effective time of the
Merger,  as  well  as  supplemental  retirement  benefits  (including  continued
participation  in the WP&L Executive Tenure  Compensation  Plan) in an amount no
less than he was eligible to receive  before the  effective  time of the Merger,
and life insurance providing a death benefit of three times his annual salary.

         If the employment of either Mr. Liu or Mr. Davis is terminated  without
cause (as defined in their  respective  employment  agreements)  or if either of
them  terminates his employment for good reason (as defined in their  respective
employment  agreements),  the Company or its affiliates will continue to provide
the compensation and benefits called for by the respective  employment agreement
through  the end of the  term  of  such  employment  agreement  (with  incentive
compensation   based  on  the  maximum  potential  awards  and  with  any  stock
compensation  paid in  cash),  and all  unvested  stock  compensation  will vest
immediately.  If either  Mr.  Liu or Mr.  Davis  dies or  becomes  disabled,  or
terminates his employment without good reason, during the term of his respective
employment  agreement,  the Company or its affiliates will pay to the officer or
his  beneficiaries or estate all compensation  earned through the date of death,
disability or such termination  (including  previously deferred compensation and
pro rata incentive compensation based upon the maximum potential awards). If the
officer is terminated for cause, the Company or its affiliates will pay his base
salary   through  the  date  of  termination   plus  any   previously   deferred
compensation.  Notwithstanding the foregoing,  in the event that any payments to
Mr. Liu under his  employment  agreement or otherwise  are subject to the excise
tax on excess  parachute  payments under the Code, then the total payments to be
made under Mr. Liu's  employment  agreement will be reduced so that the value of
these  payments  he is entitled to receive is $1 less than the amount that would
subject  Mr.  Liu to the 20% excise  tax  imposed by the Code on certain  excess
payments, or which the Company may pay without loss of deduction under the Code.
Under Mr. Davis' employment agreement,  if any payments thereunder constitute an
excess parachute payment, the Company will pay to Mr. Davis the amount necessary
to offset the excise tax and any applicable taxes on this additional payment.

         Each of the  three  companies  that  were  party to the  Merger  had in
effect,  at the time of the  Merger,  key  executive  employment  and  severance
agreements (the "Pre-Merger  KEESAs") with certain of their executive  officers.
The  Pre-Merger  KEESAs were intended to provide the  executives  with specified
severance  benefits in the event of certain  terminations  following a change in
control of the  employer.  The


                                       23
<PAGE>


consummation of the Merger  constituted such a change in control.  Although each
party  to the  Merger  had  Pre-Merger  KEESAs  in  effect,  the  terms  of such
agreements were not identical.

         To  provide   selected   executives  of  the  Company  with   severance
arrangements  with generally  comparable  terms relating to any future change in
control of the Company, the Company in 1999 offered new key executive employment
and severance  agreements  (the "New KEESAs") to such executive  officers of the
Company (including Messrs. Davis, Harvey and Protsch). In order to receive a New
KEESA,  each  executive  officer  (other than Mr.  Davis) was required to cancel
existing  rights  under his or her  Pre-Merger  KEESA in exchange for a grant of
restricted  stock;  Mr.  Davis did not  receive a grant of  restricted  stock in
connection  with  the  cancellation  of his  Pre-Merger  KEESA.  The  grants  of
restricted stock were valued at one times salary for certain executive  officers
(including  Messrs.  Harvey and Protsch)  and one-half  times salary for certain
other officers.  Subject to certain  exceptions,  the restricted stock will vest
only if the  executive  remains  with the Company for a period of at least three
years.

         The New  KEESAs  provide  that each  executive  officer  who is a party
thereto is entitled to benefits if,  within five years after a change in control
of the Company (as defined in the New KEESAs), the officer's employment is ended
through  (i)  termination  by the  Company,  other  than by  reason  of death or
disability or for cause (as defined in the KEESAs),  or (ii)  termination by the
officer due to a breach of the agreement by the Company or a significant  change
in the officer's responsibilities, or (iii) in the case of Mr. Davis' agreement,
termination  by Mr.  Davis  following  the first  anniversary  of the  change of
control.  The  benefits  provided are (i) a cash  termination  payment of two or
three times  (depending on which executive is involved) the sum of the officer's
annual salary and his or her average  annual bonus during the three years before
the  termination  and  (ii)  continuation  for up to five  years  of  equivalent
hospital,  medical, dental, accident,  disability and life insurance coverage as
in effect at the time of  termination.  Each New  KEESA for  executive  officers
below the level of Executive Vice President  provides that if any portion of the
benefits  under the KEESA or under any other  agreement  for the  officer  would
constitute an excess parachute  payment for purposes of the Code,  benefits will
be  reduced so that the  officer  will be  entitled  to receive $1 less than the
maximum amount which he or she could receive without becoming subject to the 20%
excise tax imposed by the Code on certain excess  parachute  payments,  or which
the Company may pay without loss of deduction under the Code. The New KEESAs for
the Chief Executive Officer and the Executive Vice Presidents (including Messrs.
Davis,  Harvey and Protsch) provide that if any payments thereunder or otherwise
constitute an excess parachute payment,  the Company will pay to the appropriate
officer the amount  necessary to offset the excise tax and any additional  taxes
on this additional payment.  Mr. Davis' employment  agreement as described above
limits benefits paid  thereunder to the extent that duplicate  payments would be
provided to him under his New KEESA.

         In  connection  with his  retirement,  Mr. Chase  entered into an Early
Retirement  Agreement with the Company.  Pursuant to this  agreement,  Mr. Chase
received a payment of  $255,000  on January 1, 1999 and is entitled to receive a
payment of $210,750 on January 1, 2000. Mr. Chase also agreed to the termination
of his  outstanding  stock  options.  In addition,  Mr. Chase received in 1999 a
payment of $84,000,  which amount was  equivalent  to the target bonus Mr. Chase
would have otherwise received had applicable  performance  targets been met. Mr.
Chase is subject to certain noncompetition and nondisclosure provisions pursuant
to his retirement agreement.


                                       24
<PAGE>


         Mr. Stoppelmoor entered into a three-year  consulting  arrangement with
the Company in  connection  with the Merger.  Under the terms of his  consulting
arrangement,  Mr. Stoppelmoor  receives an annual fee of $324,500 during each of
the  first  two  years  and a fee of  $200,000  during  the  third  year  of the
consulting   period.   Mr.  Stoppelmoor  is  also  entitled  to  participate  in
compensation  plans  equivalent to those provided the Company's  Chairman of the
Board and Chief  Executive  Officer  during the  consulting  period,  subject to
approval by the Compensation and Personnel Committee of the Board.  Although Mr.
Stoppelmoor is eligible to participate in the Directors Charitable Award Program
and the  Directors  Life  Insurance  Program as a result of his  service as Vice
Chairman of the Board  Directors,  his consulting  arrangement  provides that he
shall not be  eligible to receive any other  compensation  otherwise  payable to
directors of the Company.

                      RETIREMENT AND EMPLOYEE BENEFIT PLANS

Alliant Energy Corporate Services Retirement Plans

         Salaried employees  (including officers) of the Company are eligible to
participate  in  a  Retirement  Plan  maintained  by  Alliant  Energy  Corporate
Services,   Inc.,  a  subsidiary  of  the  Company  ("Alliant  Energy  Corporate
Services"). In 1998, the Retirement Plan was amended to implement a cash balance
format,  thereby changing the benefit calculation formulas and adding a lump sum
distribution  option for eligible  participants.  The plan bases a participant's
defined  benefit  pension on the value of a hypothetical  account  balance.  For
individuals  participating  in the plan as of August l, 1998, a starting account
balance was  created  equal to the  present  value of the benefit  accrued as of
December 31, 1997, under the plans benefit formula prior to the change to a cash
balance  approach.  That formula provided a retirement  income based on years of
credited service and final average  compensation for the 36 highest  consecutive
months, with a reduction for a Social Security offset. In addition,  individuals
participating  in the plan as of  August  1, 1998  received  a special  one-time
transition  credit  amount  equal to a  specified  percentage  varying  with age
multiplied by credited service and base pay.

         For 1998 and thereafter,  a participant  receives annual credits to the
account equal to 5% of base pay (including certain incentive  payments,  pre-tax
deferrals and other items),  plus an interest credit on all prior accruals equal
to 4% plus a share of the gain on the  investment  return on assets in the trust
investment for the year.

         The life annuity payable under the plan is determined by converting the
hypothetical  account  balance  credits into annuity form.  Individuals who were
participants  in the plan on August 1, 1998 are in no event to receive  any less
than what would have been provided under the prior formula, had it continued, if
they  terminate  on or before  August  1,  2008,  and do not  elect to  commence
benefits before the earlier of age 55.

         All of the  individuals  listed in the Summary  Compensation  Table who
participate  in  the  plan  (i.e.,  Messrs.   Davis,  Protsch  and  Harvey)  are
"grandfathered"  under the prior plans benefit  formula.  Since their  estimated
benefits under that formula are higher than under the cash balance plan formula,
utilizing current  assumptions,  their benefits would currently be determined by
the prior plan benefit  formula.  All eligible  persons  whose  compensation  is
reported in the foregoing Summary  Compensation  Table  participated in the plan
during  1998.   Contributions  to  the   "grandfathered"   plan  are  determined
actuarially,  computed on a straight-life  annuity basis,  and cannot be readily
calculated  as  applied  to  any  individual   participant  or  small  group  of
participants.  For purposes of the plan, compensation means payment for services
rendered,  including  vacation and sick pay, and is substantially  equivalent to
the salary amounts reported in the foregoing  Summary  Compensation  Table. Plan
benefits  depend upon length of plan service (up to a maximum of 30 years),  age
at retirement,  and amount of  compensation  (determined in accordance  with the
plan) and are reduced by up to 50 percent of Social Security benefits.  Credited
years of  service  under the plan for  covered  persons  named in the  foregoing
Summary Compensation Table are as follows: Erroll B.


                                       25
<PAGE>


Davis,  Jr., 19 years;  Eliot G. Protsch,  19 years;  and William D. Harvey,  11
years.  Assuming  retirement at age 65, a plan  participant (in conjunction with
the Unfunded Excess Plan described  below) would be eligible at retirement for a
maximum annual retirement benefit as follows:

<TABLE>

                                                     Retirement Plan Table
        
         Average                             Annual Benefit After Specified Years in Plan* 
         Annual           ________________________________________________________________________________________
         Compensation        5            10              15             20              25             30   
         ------------     -------      --------        --------       --------        ---------      ---------
         <S>              <C>          <C>             <C>            <C>             <C>            <C>
         $125,000         $10,116      $ 20,233        $ 30,349       $ 40,465        $ 50,582       $ 60,698
          150,000          12,408        24,816          37,224         49,632          62,040         74,448
          200,000          16,991        33,983          50,974         67,965          84,977        101,948
          250,000          21,575        43,149          64,724         86,299         107,873        129,448
          300,000          26,158        52,316          78,474        104,632         130,790        156,948
          350,000          30,741        61,483          92,224        122,965         153,707        184,448
          400,000          35,325        70,649         105,974        141,299         176,623        211,948
          450,000          39,908        79,816         119,724        159,632         199,540        239,448
          475,000          42,200        84,399         126,599        168,799         210,998        253,198
          500,000          44,491        88,983         133,674        177,965         222,457        266,948
          525,000          46,783        93,566         140,349        187,132         233,915        280,698
          550,000          49,075        98,149         147,224        196,299         245,373        294,448
          600,000          53,568       107,316         160,974        214,632         268,290        321,948
          650,000          58,241       116,485         174,724        232,965         291,207        349,448

         *        Average annual  compensation is based upon the average of the highest 36 consecutive  months of compensation.  The
                  plan benefits  shown above are net of estimated  Social  Security  benefits and do not reflect any  deductions for
                  other amounts.  The annual  retirement  benefits  payable are subject to certain maximum  limitations (in general,
                  $160,000 for 1998) under the Code. Under the plan, if a plan participant dies prior to retirement,  the designated
                  survivor of the  participant  is entitled to a monthly  income  benefit equal to  approximately  50 percent of the
                  monthly retirement benefit which would have been payable to the participant under the plan.

</TABLE>

                                       26
<PAGE>

                       Pension Plan Applicable to Mr. Liu

         Prior  to the  Merger,  Mr.  Liu  participated  in the  IES  Industries
retirement plan (which plan was transferred to Alliant Energy Corporate Services
in  connection  with the Merger).  Mr. Liu's  benefits  under the plan have been
"grandfathered" to reflect the benefit plan formula in effect at the time of the
Merger.  Maximum annual benefits payable at age 65 to participants who retire at
age 65, calculated on the basis of straight life annuity, are illustrated in the
following table:


              Alliant Energy Corporate Services Pension Plan Table

 Average of Highest Annual Estimated Maximum Annual Retirement Benefits Based on
 Salary (Remuneration)                          Years of Service
 for 3 Consecutive        ______________________________________________________
 Years of the last 10       15         20          25         30           35
 --------------------       --         --          --         --           --
    125,000               26,869     35,828      44,784     53,741       62,697
    150,000               32,683     43,576      54,471     65,366       76,259
    175,000               35,913     48,282      60,650     73,019       85,388
    200,000               40,038     54,282      68,525     82,769       97,013
    225,000               44,163     60,282      76,400     92,519      108,638
    250,000               44,818     61,235      77,652     94,068      110,485
    300,000               44,818     61,235      77,652     94,068      110,485
    400,000               44,818     61,235      77,652     94,068      110,485
    450,000               44,818     61,235      77,652     94,068      110,485
    500,000               44,818     61,235      77,652     94,068      110,485

         With respect to Mr. Liu, the  remuneration for retirement plan purposes
would  be  substantially  the  same as that  shown as  "Salary"  in the  Summary
Compensation  Table. As of December 31, 1998, Mr. Liu had 41 accredited years of
service under the retirement plan.

         Unfunded Excess Plan - Alliant Energy Corporate  Services  maintains an
Unfunded  Excess Plan that  provides  funds for payment of  retirement  benefits
above the  limitations on payments from  qualified  pension plans in those cases
where an employee's  retirement  benefits exceed the qualified plan limits. This
plan  provides an amount  equal to the  difference  between  the actual  pension
benefit payable under the pension plan and what such pension benefit would be if
calculated  without  regard to any  limitation  imposed  by the Code on  pension
benefits or covered compensation.

         Unfunded Executive Tenure  Compensation Plan - Alliant Energy Corporate
Services  maintains an Unfunded  Executive Tenure  Compensation  Plan to provide
incentive  for key  executives  to  remain  in the  service  of  Alliant  Energy
Corporate Services by providing additional compensation which is payable only if
the executive  remains with Alliant Energy  Corporate  Services until retirement
(or other termination if approved by the Board of Directors). In the case of the
Chief Executive  Officer only, in the event that the Chief Executive Officer (1)
is terminated under his employment agreement with the Company as described above
(the "Employment Agreement") other than for cause, death or disability (as those
terms are defined in the  Employment  Agreement),  (2) terminates his employment
under the  Employment  Agreement for good reason (as such term is defined in the
Employment  Agreement),  or (3) is  terminated  as a result of a failure  of the
Employment  Agreement  to  be  renewed  automatically   pursuant  to  its  terms
(regardless of the reason for such non-renewal),  then for purposes of the plan,
the Chief Executive  Officer shall be deemed to have retired at age 65 and shall
be  entitled  to  benefits  under  the  plan.  Participants  in the plan must be
designated  by the Chief  Executive  Officer of the Company and  approved by its
Board of Directors.  Mr. Davis was the only active participant in the plan as of
December 31, 1998. The plan provides for monthly payments to a



                                       27
<PAGE>


participant after retirement (at or after age 65, or with Board approval,  prior
to age 65) for 120  months.  The  payments  will be equal to 25  percent  of the
participant's  highest average salary for any consecutive  36-month period. If a
participant  dies prior to retirement or before 120 payments have been made, the
participant's  beneficiary  will receive monthly payments equal to 50 percent of
such  amount for 120 months in the case of death  before  retirement,  or if the
participant dies after retirement,  50 percent of such amount for the balance of
the 120 months.  Annual  benefits of $145,000 would be payable to Mr. Davis upon
retirement,  assuming he continues in Alliant Energy Corporate Services' service
until retirement at the same salary as was in effect on December 31, 1998.

Alliant Energy Corporate Services Supplemental Retirement Plans

         Supplemental  Executive  Retirement  Plan - The  Company  maintains  an
unfunded  Supplemental  Executive  Retirement Plan to provide  incentive for key
executives  to remain in the  service  of the  Company by  providing  additional
compensation  which is payable  only if the  executive  remains with the Company
until retirement, disability or death. Participants in the plan must be approved
by the Compensation and Personnel  Committee of the Board. The plan provides for
payments of 60% of the  participant's  average annual  earnings (base salary and
bonus)  for the  highest  paid  three  years  out of the last  ten  years of the
participant's  employment  reduced by the sum of benefit  payable to the officer
from the officer's  defined  benefit plan. The normal  retirement date under the
plan is age 62 with at least 10 years of service. If a participant retires prior
to age 62,  the 60%  payment  under the plan is  reduced by 3% per year for each
year the participant's  retirement date precedes his/her normal retirement date.
Benefit  payments under the plan will be made for a maximum of 18 years,  with a
minimum  of 12 years of  payments  if the  participant  dies  after  retirement.
Messrs.  Davis, Harvey, and Protsch are participants in this plan. The following
table shows payments  under the plan,  assuming a minimum of 10 years of service
at retirement age.

                  Supplemental Executive Retirement Plan Table

          Average
        Compensation             <10 Years                   >10 Years*
        ------------             ----------                  ----------
           $125,000                  $0                       $75,000
            150,000                   0                        90,000
            200,000                   0                       120,000
            250,000                   0                       150,000
            300,000                   0                       180,000
            350,000                   0                       210,000
            400,000                   0                       240,000
            450,000                   0                       270,000
            500,000                   0                       300,000
            550,000                   0                       330,000
            600,000                   0                       360,000
            650,000                   0                       390,000

*        Reduced by the sum of the benefit  payable from the applicable  defined
         benefit plan.


                                       28
<PAGE>


         Alliant  Energy  Corporate  Services  Supplemental  Retirement  Plan  -
Alliant  Energy  Corporate  Services  maintains  a  non-qualified   Supplemental
Retirement  Plan  ("SRP") for eligible  former  officers of IES  Industries  who
elected to remain  under this plan  following  the  Merger.  Mr. Liu is the only
executive named in the Summary  Compensation Table participating in the SRP. The
SRP currently provides for payment of supplemental  retirement benefits equal to
75% of the officer's base salary in effect at the date of retirement, reduced by
benefits  receivable  under the qualified  retirement  plan, for a period not to
exceed 15 years  following the date of retirement.  In the event of the death of
the officer  following  retirement,  similar  payments  reduced by the joint and
survivor  annuity of the  qualified  retirement  plan will be made to his or her
designated beneficiary  (surviving spouse or dependent children),  if any, for a
period not to exceed 10 years from the date of the officer's  retirement.  Thus,
if an officer  died 10 years  after  retirement,  no payment to the  beneficiary
would be made.  Death  benefits  are  provided on the same basis to a designated
beneficiary  for a period not to exceed 10 years  from the date of death  should
the officer die prior to  retirement.  The SRP further  provides that if, at the
time of the  death of an  officer,  the  officer  is  entitled  to  receive,  is
receiving,  or has received supplemental retirement benefits by virtue of having
taken  retirement,  a death benefit  shall be paid to the  officer's  designated
beneficiary  or to the  officer's  estate  in an  amount  equal  to  100% of the
officer's  annual  salary  in effect at the date of  retirement.  Under  certain
circumstances, an officer who takes early retirement will be entitled to reduced
benefits  under the SRP.  The SRP also  provides  for  benefits  in the event an
officer becomes disabled under the terms of the qualified  retirement plan. Life
insurance policies on the participants have been purchased  sufficient in amount
to finance  actuarially all future  liabilities  under the SRP. The SRP has been
designed so that if the  assumptions  made as to mortality,  experience,  policy
dividends,  tax  credits  and other  factors are  realized,  all life  insurance
premium payments will be recovered over the life of the SRP.

         The following table shows the estimated  annual benefits  payable under
the  Supplemental  Retirement  Plan equal to 75% of the officer's base salary in
effect at the date of retirement:

                        Alliant Energy Corporate Services
                      Supplemental Retirement Plan Payments
                                 75% SRP Benefit

                                       Years of Service    
               -----------------------------------------------------------------
Annual Salary    15          20             25             30             35
- -------------    --          --             --             --             --
  150,000      79,817      68,924         58,029         47,134         36,241
  175,000      95,337      82,968         70,600         58,231         45,862
  200,000     109,962      95,718         81,475         67,231         52,987
  225,000     124,587     108,468         92,350         76,231         60,112
  250,000     142,682     126,265        109,848         93,432         77,015
  300,000     180,182     163,765        147,348        130,932        114,515
  400,000     255,182     238,765        222,348        205,932        189,515
  450,000     292,682     276,265        259,848        243,432        227,015
  500,000     330,182     313,765        297,348        280,932        264,515

         Key  Employee  Deferred  Compensation  Plan - The Company  maintains an
unfunded Key Employee Deferred  Compensation  Plan under which  participants may
defer up to 100% of base salary or incentive  compensation.  The Company matches
up to 50% of the employee  deferral (plus 401(k)  contributions up to 6% of pay,
less 401(k) matching  contributions).  The deferrals and matching  contributions
received an annual  return to the A-utility  bond rate with a minimum  return no
less than the prime interest rate published in the Wall Street Journal. Payments
from the plan may be made in lump sums or  installments  at the  election of the
participant. Participants are selected by the Chief Executive Officer of Alliant
Energy Corporate Services.  Messrs. Davis, Harvey and Protsch participate in the
Plan.


                                       29
<PAGE>


               REPORT OF THE COMPENSATION AND PERSONNEL COMMITTEE
                            ON EXECUTIVE COMPENSATION

         To Our  Shareowners:  The  Compensation  and Personnel  Committee  (the
"Committee")  of the Board of  Directors  of the  Company is  comprised  of five
non-employee   directors.   The  Committee   assesses  the   effectiveness   and
competitiveness   of,  approves  the  design  of,  and   administers   executive
compensation  programs within a consistent total compensation  framework for the
Company.  The Committee  also reviews and approves all salary  arrangements  and
other  remuneration  for  executives,   evaluates  executive  performance,   and
considers related matters. To support the Committee in carrying out its mission,
an independent consultant is engaged to provide assistance to the Committee.

         The Committee is committed to implementing a total compensation program
for executives which furthers the Company's mission.  The Committee,  therefore,
adheres to the following  compensation policies which are intended to facilitate
the achievement of the Company's business strategies.

 .    Total compensation should enhance the Company's ability to attract, retain,
     and  encourage  the   development  of   exceptionally   knowledgeable   and
     experienced executives,  upon whom, in large part, the successful operation
     and management of the Company depends.

 .    Base salary levels should be targeted at a competitive market range paid to
     executives at comparable companies. Specifically, the Committee targets the
     median (50th  percentile) of equally weighted data from utility and general
     industry companies.

 .    Incentive  compensation programs should strengthen the relationship between
     pay and performance by emphasizing  variable,  at-risk compensation that is
     consistent with meeting predetermined  Company,  subsidiary,  business unit
     and individual  performance  goals. In addition,  incentive  levels will be
     targeted at the median  (50th  percentile)  of equally  weighted  data from
     utility and general industry companies.

Components of Compensation

         The  Committee  relates  total  compensation  levels for the  Company's
senior   executives  to  the  compensation  paid  to  executives  of  comparable
companies.  As the Company is a diversified  utility  holding  company with both
regulated and non-regulated operations,  comparison groups are customized to the
respective  position  which  an  executive  holds.  Utility  executives'  pay is
compared to that of executives with similar responsibilities at utilities and/or
non-utilities  (general industries) in both the Midwest and national markets, as
well  as to  companies  with  similar  revenue  levels  and  employment  levels.
Compensation  paid to holding  company  executives,  including  Mr.  Davis,  the
Company's Chief Executive  Officer,  is compared to the  compensation  paid by a
utility  comparison  group.  However,  in order  to  recognize  holding  company
employees for increasing non-regulated business responsibilities, benchmark data
also are drawn from similarly sized diversified  industrial  companies furnished
by  public  survey  data.  For  executives  with  sole  responsibilities  in the
non-regulated businesses,  comparison group data reflect the relevant mix of the
non-regulated business operations.


                                       30
<PAGE>


         The  Committee  has  determined  that  total  executive   compensation,
including  that for Mr.  Davis,  is in line  with  competitive  salaries  of the
comparison groups of companies.

         The current elements of the Company's  executive  compensation  program
are  base  salary,   short-term   (annual)  incentives  and  long-term  (equity)
incentives.  These elements are addressed  separately below. In determining each
component  of  compensation,   the  Committee   considers  all  elements  of  an
executive's  total  compensation  package,  including  benefit and  prerequisite
programs.

Base Salaries

         The  Committee  annually  reviews each  executive's  base salary.  Base
salaries are targeted at a competitive  market range when comparing both utility
and non-utility  (general industry) data. Base salaries are adjusted annually by
the  Committee  to  recognize   changes  in  the  market,   varying   levels  of
responsibility,  prior experience,  and breadth of knowledge.  Increases to base
salaries are driven  primarily  by market  adjustments.  Individual  performance
factors are not considered by the Committee in setting base  salaries.  Base pay
adjustments  are tied to market  changes in  appropriate  salary levels and will
minimize across-the-board increases. Executive salaries were reviewed for market
comparability  using utility and general industry data contained in compensation
surveys  published by Edison  Electric  Institute,  American Gas Association and
several  compensation  consulting firms. Based on these factors, the base salary
for Mr. Davis was set at $540,000 for 1998.

Short-Term Incentives

         The goal of the short-term  (annual)  incentive  programs is to promote
the  Committee's  pay-for-performance  philosophy by providing  executives  with
direct financial incentives in the form of annual cash or stock based bonuses to
achieve corporate,  subsidiary, business unit, and individual performance goals.
Annual bonus  opportunities  allow the Committee to  communicate  specific goals
that are of primary importance during the coming year and motivate executives to
achieve  these goals.  The Committee on an annual basis reviews and approves the
program's  performance  goals and the relative  weight  assigned to each goal as
well as targeted and maximum  award  levels.  A  description  of the  short-term
incentive programs available during 1998 to executive officers follows.

         Interstate Energy Corporation Officer Incentive  Compensation Plan--The
IEC  Officer  Incentive  Compensation  Plan (the  "IEC  OICP")  covered  utility
executives  and in 1998 was  based on  achieving  annual  targets  in  corporate
performance  that  included an earnings per share ("EPS")  target,  and business
unit and individual performance. Target and maximum bonus awards were set at the
median  of  the  utility  and  general  industry  market  levels.  Targets  were
considered  by  the  Committee  to be  achievable,  but  required  above-average
performance  from  each of the  executives.  Actual  payment  of  bonuses,  as a
percentage of annual salary, is determined by the level of performance  achieved
in each category.  Weighting  factors are applied to the percentage  achievement
under each category to determine overall  performance.  If a pre-determined  EPS
has not been met,  there is no bonus  payment  associated  with the plan. If the
threshold performance is not reached,  there is no bonus payment associated with
that particular  category.  Once the designated maximum  performance is reached,
there is not  additional  payment.  The actual  percentage  of salary  paid as a
bonus,  within the allowable  range,  is equal to the weighted  average  percent
achievement  for all the performance  categories.  Potential IEC OICP awards for
executives  range from 0 to 70 percent  of annual  salary.  In 1998 there was no
payout associated with the IEC OICP since the pre-determined EPS was not met.


                                       31
<PAGE>


         In 1998,  Mr.  Davis was  covered by the  Company's  Officer  Incentive
Compensation  Plan (the "Company  OICP").  Awards under the Company OICP in 1998
were  based  on  corporate  and  strategic  goal   achievement  in  relation  to
predetermined   goals.  For  each  plan  year,  the  Committee   determines  the
performance  apportionment for Mr. Davis. In 1998 that apportionment was 75% for
corporate  performance  and  25%  for  strategic  goal  performance.   Corporate
performance is measured based on a  company-wide  EPS target  established at the
beginning of the year.  Strategic goals are measured based on the achievement of
certain specific goals, which included strategy  development and implementation,
established  for Mr. Davis by the  Committee.  The 1998 OICP award range for Mr.
Davis was from 0 to 100 percent of annual salary.  The actual payment of bonuses
as a percentage of annual salary is determined as described for the IEC OICP. In
1998, the Company OICP did not provide a payment to Mr. Davis as a result of the
pre-determined EPS not being met.

         Alliant Energy  Resources  Annual  Incentive  Plan--The  Alliant Energy
Resources Annual Incentive Plan covered  non-utility  executives and in 1998 was
based on achieving annual targets in corporate  performance that included an EPS
target,  business unit  performance  that includes the  contribution to EPS, and
group (International) unit and individual performance.  Target and maximum bonus
awards were set at  competitive  market levels.  Targets were  considered by the
Committee to be achievable,  but required above-average performance from each of
the executives.  Actual payment of bonuses, as a percentage of annual salary, is
determined  by the level of  performance  achieved in each  category.  Weighting
factors  are  applied  to the  percentage  achievement  under each  category  to
determine  overall  performance.  If the  business  unit's EPS  contribution  to
corporate is below threshold  level,  there is no bonus payment  associated with
the plan. If the threshold performance is not reached, there is no bonus payment
associated  with  that  particular   category.   Once  the  designated   maximum
performance is reached,  there is not additional payment.  The actual percentage
of salary paid as a bonus,  within the allowable range, is equal to the weighted
average  percent  achievement  for all  the  performance  categories.  Potential
Alliant Energy  Resources Annual Incentive Plan awards for executives range from
0 to 50 percent of annual salary.  In 1998 there was no payout  associated  with
the plan since the business  unit's EPS  contribution to corporate was below the
threshold level.

Long-Term Incentives

         The Committee  strongly  believes  compensation  for executives  should
include  long-term,  at-risk pay to strengthen  the alignment of shareowner  and
management.  In this regard,  the  Long-Term  Equity  Incentive  Plan allows for
grants of stock options,  restricted  stock,  and performance  unit/shares  with
respect to the  Company's  common stock.  The  Committee  believes the Long-Term
Equity Incentive Plan balances the Company's existing  compensation  programs by
emphasizing  compensation based on the long-term  successful  performance of the
Company from the perspective of the shareowners.  A description of the long-term
incentive programs available during 1998 to executive officers follows.

         Interstate  Energy   Corporation   Long-Term   Incentive   Program--The
Interstate  Energy  Corporation  Long-Term  Incentive  Program  covered  utility
executives  and  consisted  of  the  following  components:  stock  options  and
performance shares.  Stock options provide a reward that is directly tied to the
benefit  shareowners receive from increases in the price of the Company's common
stock.  The  payout  from the  performance  shares  is  based  on the  Company's
three-year  total return to shareowners  relative to an  investor-owned  utility
peer group. Thus, the two components of the Long-Term  Incentive  Program,  i.e.
stock options and  performance  shares,  provide  incentives  for  management to
produce  superior  shareowner  returns on both an absolute and  relative  basis.
During 1998 the Committee made a grant of stock options and  performance  shares
to Messrs.  Davis, Liu, Harvey, and Protsch.  All option grants were made at the
fair market value of Company  common stock on the date the grants were  approved
(July 1, 1998).  Options have a two and  one-half  year  vesting  schedule  with
one-third  vesting on January 2, 1999,  one-third vesting on January 2, 2000


                                       32
<PAGE>


and the final one-third vesting on January 2, 2001 and have a ten-year term from
the  date  of the  grant.  Executives  were  also  granted  performance  shares.
Performance shares will be paid out in shares of the Company's common stock. The
award will be modified by a performance  multiplier  which ranges from 0 to 2.00
based  on the  three-year  average  of the  Company's  total  shareowner  return
relative to an  investor-owned  utility peer group. In determining  actual award
levels, the Committee was primarily concerned with providing a competitive total
compensation level to officers.  As such, award levels (including awards made to
Mr.  Davis)  were based on a  competitive  analysis of  similarly-sized  utility
companies that took into consideration the market level of long-term incentives,
as well as the competitiveness of the total compensation package.  Award ranges,
as  well  as  individual   award  levels,   were  then   established   based  on
responsibility  level and market  competitiveness.  No corporate  or  individual
performance  measures were reviewed in connection with the awards of options and
performance  shares.  Award  levels were  targeted to the median of the range of
such awards paid by  comparable  companies.  In addition,  the Committee did not
consider the amounts of options and  performance  shares already  outstanding or
previously granted when making awards for 1998.

         Alliant  Energy  Resources  Long-Term  Incentive  Program--The  Alliant
Energy Resources Long-Term Incentive Program covered non-utility  executives and
consisted of the  following  components:  stock options and  performance  units.
Stock options provide a reward that is directly tied to the benefit  shareowners
receive from  increases in the price of the Company's  common stock.  The payout
from the performance  units is based on the Alliant Energy Resources  three-year
average  growth  in EPS  contribution  to  the  Company's  EPS.  Thus,  the  two
components  of  the  Long-Term   Incentive  Program,   i.e.  stock  options  and
performance  units,  provide  incentives  for  management  to  produce  superior
shareowner  returns on both an absolute and relative  basis.  All option  grants
were  made at the fair  market  value of  Company  common  stock on the date the
grants were  approved  (August 21,  1998).  Options have a two and one-half year
vesting schedule with one-third vesting on January 2, 1999, one-third vesting on
January  2, 2000 and the final  one-third  vesting on January 2, 2001 and have a
ten-year  term  from  the  date  of the  grant.  Executives  were  also  granted
performance units.  Performance units will be paid out in cash. The payment will
be modified by a performance multiplier which ranges from 0 to 2.00 based on the
Alliant Energy  Resources  three-year  average growth in EPS contribution to the
Company's EPS. In determining  actual award levels,  the Committee was primarily
concerned with providing a competitive total compensation level to officers.  As
such,  award  levels were based on a  competitive  analysis  of  similarly-sized
general  industry  companies  that took into  consideration  the market level of
long-term  incentives,  as well as the competitiveness of the total compensation
package. Award ranges, as well as individual award levels, were then established
based on  responsibility  level and  market  competitiveness.  No  corporate  or
individual  performance  measures were reviewed in connection with the awards of
options and performance  units.  Award levels were targeted to the median of the
range of such awards paid by comparable  companies.  In addition,  the Committee
did  not  consider  the  amounts  of  options  and  performance   units  already
outstanding or previously granted when making awards for 1998.


                                       33
<PAGE>


Stock Ownership Guidelines

         In January 1999, the Company established stock ownership guidelines for
executive  officers  as a way to better  align the  financial  interests  of its
officers  with those of its  shareowners.  These  officers  are expected to make
continuing progress towards compliance with these guidelines and to comply fully
with the guidelines within five years of  implementation.  Officers are required
to own stock with a value equal to a specified  multiple of their base salaries.
Under  these  guidelines,  the  requisite  multiples  are  three  for the  Chief
Executive Officer and Executive Vice Presidents and 1.5 for Vice Presidents. The
Chief  Executive  Officer  retains the right to grant special  dispensation  for
hardship, promotions or new hires.

Policy with Respect to the $1 Million Deduction Limit

         Section 162(m) of the Code generally limits the corporate deduction for
compensation  paid to  executive  officers  named in the proxy  statement  to $1
million unless such  compensation is based upon performance  objectives  meeting
certain regulatory criteria or is otherwise excluded from the limitation.  Based
on the Committee's commitment to link compensation with performance as described
in this report, the Committee  currently intends to qualify future  compensation
paid to the Company's  executive officers for deductibility by the Company under
Section 162(m).

Conclusion

         The Committee believes the existing executive compensation policies and
programs  provide the  appropriate  level of  competitive  compensation  for the
Company's  executives.  In addition,  the  Committee  believes that the long and
short term performance  incentives effectively align the interests of executives
and shareowners toward a successful future for the Company.

                                            COMPENSATION AND PERSONNEL COMMITTEE
                                                       Arnold M. Nemirow (Chair)
                                                                  Alan B. Arends
                                                                  Jack R. Newman
                                                                  Judith D. Pyle
                                                               Anthony R. Weiler


               COMPENSATION AND PERSONNEL COMMITTEE INTERLOCKS AND
                              INSIDER PARTICIPATION

         The members of the  Compensation  and  Personnel  Committee  who served
during 1998 are identified  above.  Mr. Newman, a member of the Compensation and
Personnel  Committee during 1998, is a partner in the law firm of Morgan,  Lewis
and Bockius.  Morgan,  Lewis and Bockius  provides certain legal services to the
Company. Mr. Newman is no longer a member of the Committee.


                                       34
<PAGE>


                 COMPARISON OF FIVE-YEAR CUMULATIVE TOTAL RETURN

         Rules of the SEC require that the Company  show a graphical  comparison
of the total  return on its common stock for the last five fiscal years with the
total  returns of a broad market index and a more narrowly  focused  industry or
group index.  (Total  return is defined as the return on common stock  including
dividends and stock price appreciation, assuming reinvestment of dividends.) The
Company has  selected  the Standard & Poors (S&P) 500 index for the broad market
index and the S&P  Utility  Index as the  industry  index.  These  indices  were
selected  because of their broad  availability  and  recognition.  The following
chart compares the total return of an investment of $100 in Company common stock
on  December  31,  1993,  with like  returns  for the S&P 500 and S&P  Utilities
indices.  Pursuant to SEC rules, the table reflects only  information  regarding
the common stock of the Company (formally known as WPL Holdings, Inc.).

                               [Graphic Omitted]


                                              December 31,
                      ---------------------------------------------------------
                       1993      1994       1995      1996      1997      1998
                       ----      ----       ----      ----      ----      ----
IEC                  $100.00   $ 88.84    $106.19   $104.10   $131.60   $136.62
S&P Utilities Index  $100.00   $ 92.06    $130.74   $134.83   $168.07   $192.89
S&P 500 Index        $100.00   $101.32    $139.40   $171.40   $228.59   $293.91


                                       35
<PAGE>


             SECTION 16(a) BENEFICIAL OWNERSHIP REPORTING COMPLIANCE

         The  Company's  directors,  its  executive  officers and certain  other
officers are required to report their  ownership of the  Company's  common stock
and subsidiary  preferred stock and any changes in that ownership to the SEC and
the New York Stock Exchange.  In November 1998, a Form 4 was inadvertently filed
late for Alan B. Arends  reflecting  a stock  purchase on October 29,  1998.  In
addition,  Form  3s were  filed  late on  behalf  of  Thomas  Aller  and  Claire
Fulenwider  reflecting their status as insiders  effective  October 21, 1998. To
the best of the  Company's  knowledge,  all required  filings in 1998,  with the
exception of those noted, were properly made in a timely fashion.  In making the
above statements,  the Company has relied on the  representations of the persons
involved and on copies of their reports filed with the SEC.

                                     GENERAL

         Voting - The outstanding voting securities of the Company on the record
date  stated  below  consisted  of  77,935,693  shares  of  common  stock.  Only
shareowners  of the  Company of record on its books at the close of  business on
March 23, 1999,  are entitled to vote at the meeting.  Each such  shareowner  is
entitled  to one vote for each share of common  stock  registered  in his or her
name on the record  date,  on each matter  submitted  to a vote at the  meeting.
Shareowners may vote either in person or by duly authorized proxy. The giving of
proxies by shareowners  will not affect their right to vote their shares if they
attend the  meeting  and desire to vote in person.  Presence at the meeting of a
shareowner  who signed a proxy,  however,  does not itself  revoke the proxy.  A
proxy may be revoked by the person giving it at any time prior to the time it is
voted by advising the Corporate Secretary of the Company prior to such voting. A
proxy may also be  revoked  by a  shareowner  who duly  executes  another  proxy
bearing  a later  date but  prior  to the  voting.  All  shares  represented  by
effective proxies on the enclosed form,  received by the Company,  will be voted
at the meeting or any adjourned  session of the meeting,  all in accordance with
the terms of such proxies.

         Proposals  of  Shareowners  - Any  shareowner  proposal  intended to be
presented at and included in the Company's  proxy  materials for the 2000 Annual
Meeting of Shareowners  pursuant to Rule 14a-8 under the Securities Exchange Act
of 1934 ("Rule 14a-8"),  must be received at the principal office of the Company
no later than November 30, 1999. In addition, a shareowner who otherwise intends
to  present  business  at the 2000  Annual  Meeting  of  Shareowners  (including
nominating  persons for election as directors) must comply with the requirements
set forth in the Company's Bylaws.  Among other things, to bring business before
an annual meeting, a shareowner must give written notice thereof, complying with
the  Bylaws,  to the  Corporate  Secretary  of the Company not less than 45 days
prior to the  month and day in the  current  year  corresponding  to the date on
which the Company  first mailed its proxy  materials for the prior year's annual
meeting  (subject  to  certain  exceptions  if the 70th day prior to the  annual
meeting or the 10th day  following  the  announcement  of the annual  meeting is
earlier than such date). Accordingly,  if the Company does not receive notice of
a shareowner  proposal submitted  otherwise than pursuant to Rule 14a-8 prior to
February 13, 2000,  then the notice will be considered  untimely and the Company
will not be required  to present  such  proposal  at the 2000 Annual  Meeting of
Shareowners.  If the Board of Directors  chooses to present such proposal at the
2000 Annual Meeting of Shareowners,  then the persons named in proxies solicited
by the  Board of  Directors  for the 2000  Annual  Meeting  of  Shareowners  may
exercise discretionary voting power with respect to such proposal.


                                       36
<PAGE>


         Independent  Auditors - The Board of  Directors  has  appointed  Arthur
Andersen LLP as the Company's independent auditors for 1999. Arthur Andersen LLP
acted as independent auditors for the Company in 1998. Representatives of Arthur
Andersen LLP are expected to be present at the meeting with the  opportunity  to
make a statement if they so desire. Such representatives are also expected to be
available to respond to appropriate questions.

         Other  Business - The meeting is being held for the  purposes set forth
in the notice  accompanying this proxy statement.  The Board of Directors of the
Company knows of no business to be transacted at the meeting other than that set
forth in the notice. However, if any other business should be properly presented
at the meeting,  the proxies will be voted in respect thereof in accordance with
the judgment of the person or persons voting the proxies.

                                          By Order of the Board of Directors


                                          /s/ Edward M. Gleason
                                          EDWARD M. GLEASON
                                          Vice President - Treasurer
                                          and Corporate Secretary


                                       37
<PAGE>

[For Edgar purposes only, deleted text is bracketed and additions are enclosed
in parentheses]


                                                                      Appendix A


                            PROPOSED AMENDMENT TO THE
                       RESTATED ARTICLES OF INCORPORATION
                        OF INTERSTATE ENERGY CORPORATION


         Proposed  additions and deletions effected by the Name Change Amendment
are in bold type and indicated by overstriking, respectively.


                                                     ARTICLE 1

         The name of the corporation is [Interstate Energy Corporation]
(Alliant Energy Corporation).




                                      A-1


<PAGE>

                                                                     Appendix B

                          INTERSTATE ENERGY CORPORATION

                         LONG-TERM EQUITY INCENTIVE PLAN
                                   AS AMENDED

Article 1.    Establishment, Purpose, and Duration

         1.1  Establishment  of  the  Plan.  Interstate  Energy  Corporation,  a
Wisconsin  corporation  (hereinafter  referred  to  as  the  "Company"),  hereby
establishes an incentive compensation plan to be known as the "Interstate Energy
Corporation  Long-Term  Equity Incentive Plan"  (hereinafter  referred to as the
"Plan"),  as set  forth  in  this  document.  The  Plan  permits  the  grant  of
Nonqualified   Stock  Options,   Incentive  Stock  Options,   Restricted  Stock,
Performance  Units,  and  Performance  Shares.  The Plan became  effective as of
January 23, 1994 (the "Effective  Date"), and shall remain in effect as provided
in Section 1.3 herein.

         1.2  Purpose of the Plan.  The  purpose  of the Plan is to promote  the
success and enhance the value of the Company by linking the  personal  interests
of Participants to those of Company shareowners,  and by providing  Participants
with an incentive for outstanding  performance.  The Plan is further intended to
provide  flexibility  to the Company in its ability to  motivate,  attract,  and
retain the services of Participants upon whose judgment,  interest,  and special
effort the successful conduct of its operation largely is dependent.

         1.3  Duration of the Plan. The Plan commenced on the Effective Date, as
described  in Section 1.1  herein,  and shall  remain in effect,  subject to the
right of the Board of Directors to  terminate  the Plan at any time  pursuant to
Article 13 herein,  until all Shares  subject to it shall have been purchased or
acquired according to the Plan's provisions.  However,  in no event may an Award
be granted under the Plan on or after January 22, 2004.

Article 2.    Definitions

         Whenever used in the Plan, the following  terms shall have the meanings
set forth below and,  when the meaning is  intended,  the initial  letter of the
word is capitalized:

         (a)      "Award" means,  individually  or  collectively,  a grant under
                  this  Plan of  Nonqualified  Stock  Options,  Incentive  Stock
                  Options,  Restricted Stock,  Performance Units, or Performance
                  Shares.

         (b)      "Award  Agreement"  means an  agreement  entered  into by each
                  Participant  and the  Company  setting  forth  the  terms  and
                  provisions  applicable to Awards granted to Participants under
                  this Plan.

         (c)      "Beneficial  Owner"  shall have the  meaning  ascribed to such
                  term in Rule 13d-3 of the General Rules and Regulations  under
                  the Exchange Act; provided,  however,  that a Person shall not
                  be deemed the Beneficial Owner of, or to beneficially own, any
                  security  as  a  result  of  an  agreement,   arrangement   or
                  understanding   to  vote  such  security  if  the   agreement,
                  arrangement  or  understanding:   (i)  arises  solely  from  a
                  revocable proxy or consent given to such Person in response to
                  a public proxy or consent  solicitation  made pursuant to, and
                  in accordance with, the applicable rules and 


                                       B-1

<PAGE>


                  regulations  under the  Exchange Act and (ii) is not also then
                  reportable  on  Schedule  13D under the  Exchange  Act (or any
                  comparable or successor report).

         (d)      "Board" or "Board of  Directors"  means the Board of Directors
                  of the Company.

         (e)      "Cause"  means  the  admission  by or  the  conviction  of the
                  Participant of an act of fraud, embezzlement,  theft, or other
                  criminal act  constituting  a felony under U.S. laws involving
                  moral  turpitude.  The Board of Directors,  by majority  vote,
                  shall make the determination of whether Cause exists.

         (f)      "Change in  Control"  means the  occurrence  of any one of the
                  events set forth in the following paragraphs:

                  (i)      any  Person  (other  than  (A)  the  Company  or  any
                           Subsidiary,  (B) a trustee or other fiduciary holding
                           securities  under any  employee  benefit  plan of the
                           Company  or  any   Subsidiary,   (C)  an  underwriter
                           temporarily   holding   securities   pursuant  to  an
                           offering  of  such  securities  or (D) a  corporation
                           owned, directly or indirectly,  by the shareowners of
                           the Company in substantially  the same proportions as
                           their  ownership  of stock in the Company  ("Excluded
                           Persons"))  is  or  becomes  the  Beneficial   Owner,
                           directly or indirectly,  of securities of the Company
                           (not including in the securities  beneficially  owned
                           by such Person any securities  acquired directly from
                           the Company or its affiliates after January 20, 1999,
                           pursuant to express  authorization  by the Board that
                           refers to this exception) representing 20% or more of
                           either the then  outstanding  Shares or the  combined
                           voting power of the Company's then outstanding voting
                           securities; or

                  (ii)     the  following  individuals  cease for any  reason to
                           constitute  a majority of the number of  Directors of
                           the Company then  serving:  (A)  individuals  who, on
                           January 20, 1999,  constituted  the Board and (B) any
                           new  Director  (other than a Director  whose  initial
                           assumption of office is in connection  with an actual
                           or  threatened  election  contest,  including but not
                           limited to a consent  solicitation,  relating  to the
                           election of Directors  of the Company,  as such terms
                           are used in Rule 14a-11 of  Regulation  14A under the
                           Exchange  Act) whose  appointment  or election by the
                           Board or  nomination  for  election by the  Company's
                           shareowners  was  approved  by a  vote  of  at  least
                           two-thirds  (2/3)  of the  Directors  then  still  in
                           office who either were Directors on January 20, 1999,
                           or whose  appointment,  election  or  nomination  for
                           election was previously so approved (collectively the
                           "Continuing  Directors");   provided,  however,  that
                           individuals  who are appointed to the Board  pursuant
                           to or in  accordance  with the terms of an  agreement
                           relating  to  a  merger,   consolidation,   or  share
                           exchange  involving  the Company (or any  Subsidiary)
                           shall not be Continuing Directors for purposes of the
                           Plan until after such individuals are first nominated
                           for election by a vote of at least  two-thirds  (2/3)
                           of the then  Continuing  Directors and are thereafter
                           elected  as  Directors  by  the  shareowners  of  the
                           Company at a meeting of  shareowners  held  following
                           consummation of such merger,  consolidation  or share
                           exchange;  and, provided  further,  that in the event
                           the  failure  of any such  Persons  appointed  to the
                           Board to be Continuing  Directors results in a Change
                           in  Control,  the  subsequent


                                       B-2

<PAGE>


                           qualification of such Persons as Continuing Directors
                           shall not  alter  the fact  that a Change in  Control
                           occurred; or

                  (iii)    the Company  after  January 20,  1999  consummates  a
                           merger,  consolidation  or  share  exchange  with any
                           other  corporation  or issues  voting  securities  in
                           connection  with a  merger,  consolidation  or  share
                           exchange  involving the Company (or any  Subsidiary),
                           other  than  (A) a  merger,  consolidation  or  share
                           exchange  which  results in the voting  securities of
                           the  Company  outstanding  immediately  prior to such
                           merger, consolidation or share exchange continuing to
                           represent  (either  by  remaining  outstanding  or by
                           being   converted  into  voting   securities  of  the
                           surviving  entity or any parent thereof) at least 50%
                           of the combined voting power of the voting securities
                           of the Company or such surviving entity or any parent
                           thereof  outstanding  immediately  after such merger,
                           consolidation  or share  exchange,  or (B) a  merger,
                           consolidation or share exchange effected to implement
                           a   recapitalization   of  the  Company  (or  similar
                           transaction)  in  which  no  Person  (other  than  an
                           Excluded Person) is or becomes the Beneficial  Owner,
                           directly or indirectly,  of securities of the Company
                           (not including in the securities  beneficially  owned
                           by such Person any securities  acquired directly from
                           the Company or its affiliates after January 20, 1999,
                           pursuant to express  authorization  by the Board that
                           refers to this exception) representing 20% or more of
                           either the then  outstanding  Shares or the  combined
                           voting power of the Company's then outstanding voting
                           securities; or

                  (iv)     the  shareowners  of the  Company  approve  a plan of
                           complete liquidation or dissolution of the Company or
                           the Company  effects a sale or  disposition of all or
                           substantially  all of its assets (in one  transaction
                           or a series of related transactions within any period
                           of 24  consecutive  months),  other  than a  sale  or
                           disposition  by the  Company of all or  substantially
                           all of the Company's assets to an entity at least 75%
                           of the combined voting power of the voting securities
                           of which are owned by  Persons in  substantially  the
                           same  proportions  as their  ownership of the Company
                           immediately prior to such sale.

                  Notwithstanding the foregoing, no "Change in Control" shall be
                  deemed  to  have   occurred  if  there  is   consummated   any
                  transaction or series of integrated  transactions  immediately
                  following  which the record holders of the Shares  immediately
                  prior to such  transaction or series of transactions  continue
                  to own,  directly or  indirectly,  in the same  proportions as
                  their  ownership  in the  Company,  an entity that owns all or
                  substantially  all of the assets or voting  securities  of the
                  Company  immediately  following such  transaction or series of
                  transactions.

         (g)      "Code"  means the Internal  Revenue  Code of 1986,  as amended
                  from time to time.

         (h)      "Committee"  means the  committee,  as specified in Article 3,
                  appointed by the Board to administer the Plan.

         (i)      "Company" means  Interstate  Energy  Corporation,  a Wisconsin
                  corporation,  or any successor  thereto as provided in Article
                  16 herein.


                                       B-3

<PAGE>


         (j)      "Director"  means any  individual who is a member of the Board
                  of Directors of the Company.

         (k)      "Disability"  shall have the meaning  ascribed to such term in
                  the Alliant Energy Cash Balance Plan.

         (l)      "Dividend  Equivalent"  means a  contingent  right  to be paid
                  dividends  declared with respect to outstanding Option grants,
                  pursuant to the terms of Section 6.5 herein.

         (m)      "Employee"  means any  nonunion  employee of the Company or of
                  the  Company's  Subsidiaries.  Directors who are not otherwise
                  employed  by the  Company  shall not be  considered  Employees
                  under this Plan.

         (n)      "Exchange Act" means the  Securities  Exchange Act of 1934, as
                  amended from time to time, or any successor Act thereto.

         (o)      "Fair Market  Value" means the Fair Market Value of the Shares
                  determined   by  such  methods  or   procedures  as  shall  be
                  established  from  time to time  by the  Committee;  provided,
                  however,  that so long as the  Shares  are  traded in a public
                  market,  Fair  Market  Value means the average of the high and
                  low prices of a Share in the  principal  market for the Shares
                  on the specified  date (or, if no sales occurred on such date,
                  the last preceding date on which sales occurred).

         (p)      "Incentive  Stock Option" or "ISO" means an option to purchase
                  Shares, granted under Article 6 herein, which is designated as
                  an  Incentive  Stock  Option  and  is  intended  to  meet  the
                  requirements  of  Section  422 of the Code,  or any  successor
                  provision thereto.

         (q)      "Named  Executive  Officer" means a Participant who, as of the
                  date of vesting and/or payout of an Award, is one of the group
                  of "covered  employees,"  as defined in Section  162(m) of the
                  Code and the regulations promulgated thereunder.

         (r)      "Nonqualified  Stock  Option"  or  "NQSO"  means an  option to
                  purchase Shares,  granted under Article 6 herein, which is not
                  an Incentive Stock Option.

         (s)      "Option"  means an Incentive  Stock  Option or a  Nonqualified
                  Stock Option.

         (t)      "Option  Price"  means  the  price  at  which a  Share  may be
                  purchased  by  a  Participant   pursuant  to  an  Option,   as
                  determined by the Committee.

         (u)      "Participant"  means an Employee who has  outstanding an Award
                  granted under the Plan.

         (v)      "Performance  Unit" means an Award granted to an Employee,  as
                  described in Article 8 herein.

         (w)      "Performance Share" means an Award granted to an Employee,  as
                  described in Article 8 herein.


                                       B-4

<PAGE>


         (x)      "Period  of  Restriction"  means the period  during  which the
                  transfer of Shares of Restricted  Stock is limited in some way
                  (based on the passage of time, the  achievement of performance
                  goals,  or the occurrence of other events as determined by the
                  Committee, at its discretion), and the Shares are subject to a
                  substantial  risk of  forfeiture,  as  provided  in  Article 7
                  herein.

         (y)      "Person"  shall  have the  meaning  ascribed  to such  term in
                  Section 3(a)(9) of the Exchange Act and used in Sections 13(d)
                  and 14(d)  thereof,  including a "group" as defined in Section
                  13(d).

         (z)      "Restricted  Stock"  means an Award  granted to a  Participant
                  pursuant to Article 7 herein.

         (aa)     "Retirement"  shall have the meaning  ascribed to such term in
                  the Alliant Energy Cash Balance Plan.

         (ab)     "Shares" means the shares of common stock of the Company.

         (ac)     "Subsidiary" means any corporation,  partnership,  venture, or
                  other entity in which the Company, directly or indirectly, has
                  at least an eighty percent (80%) ownership interest.

Article 3.    Administration

         3.1 The Committee.  The Plan shall be administered by the  Compensation
and Personnel  Committee of the Board or by any other Committee appointed by the
Board  consisting  of not  less  than  two (2)  Directors.  The  members  of the
Committee  shall be  appointed  from  time to time by,  and  shall  serve at the
discretion of, the Board of Directors.  The Committee shall be comprised  solely
of  Directors  who qualify as  "Non-Employee  Directors"  pursuant to Rule 16b-3
under the Exchange Act and as "outside  directors" pursuant to Section 162(m) of
the Code and the regulations thereunder.

         3.2 Authority of the  Committee.  The  Committee  shall have full power
except as limited by law or by the  Articles of  Incorporation  or Bylaws of the
Company,  and subject to the  provisions  herein,  to designate  Employees to be
Participants  in the  Plan;  to  determine  the size and  types  of  Awards;  to
determine the terms and  conditions of such Awards in a manner  consistent  with
the Plan; to determine whether,  to what extent,  and under what  circumstances,
Awards granted to  Participants  may be settled or exercised in cash,  Shares or
other  property;  to  construe  and  interpret  the  Plan and any  agreement  or
instrument entered into under the Plan; to establish,  amend, or waive rules and
regulations  for the Plan's  administration;  and (subject to the  provisions of
Article 13 herein) to amend the terms and conditions of any outstanding Award to
the extent such terms and  conditions are within the discretion of the Committee
as  provided  in  the  Plan.  Further,   the  Committee  shall  make  all  other
determinations which may be necessary or advisable for the administration of the
Plan.  As permitted  by law, the  Committee  may  delegate  its  authorities  as
identified hereunder.

         3.3 Decisions  Binding.  All  determinations  and decisions made by the
Committee  pursuant  to the  provisions  of the Plan and all  related  orders or
resolutions of the Board shall be final, conclusive, and binding on all persons,
including  the Company,  its  shareowners,  Employees,  Participants,  and their
estates and beneficiaries.


                                       B-5
<PAGE>


Article 4. Shares Subject to the Plan

         4.1 Number of Shares.  Subject to adjustment as provided in Section 4.3
herein,  the total number of Shares  available for grant under the Plan shall be
3,800,000.  Of this  number,  up to 400,000  Shares  (subject to  adjustment  as
provided in Section 4.3 herein) may be granted as Restricted Stock. These Shares
may be either authorized but unissued or reacquired  Shares. The following rules
will apply for purposes of the  determination  of the number of Shares available
for grant under the Plan:

         (a)      While an Award is outstanding, it shall be counted against the
                  authorized pool of Shares, regardless of its vested status.

         (b)      The grant of an Option or  Restricted  Stock shall  reduce the
                  Shares  available  for grant  under the Plan by the  number of
                  Shares subject to such Award.

         (c)      The Committee  shall in each case  determine  the  appropriate
                  number  of  Shares  to  deduct  from  the  authorized  pool in
                  connection   with  the  grant  of  Performance   Units  and/or
                  Performance Shares.

         (d)      Unless otherwise determined by the Committee,  the grant of an
                  award  opportunity  under  Article  8 of this  Plan  shall not
                  reduce the authorized pool; provided,  however, that payout of
                  such  opportunity  in the  form of  Shares  shall  reduce  the
                  authorized pool by such number of Shares.

         (e)      To the extent that an Award is settled in cash rather than in
                  Shares,  the authorized  Share pool shall be credited with the
                  appropriate   number  of  Shares   represented   by  the  cash
                  settlement of the Award,  as determined at the sole discretion
                  of the Committee.

         4.2 Lapsed  Awards.  If any Award  granted under this Plan is canceled,
terminates,  expires, or lapses for any reason, any Shares subject to such Award
again shall be available for the grant of an Award under the Plan.

         4.3  Adjustments  in  Authorized  Shares.  In the event of any  merger,
reorganization,   consolidation,   recapitalization,   repurchase,   separation,
liquidation,   stock  dividend,  share  exchange,   split-up,   spin-off,  Share
combination, or other change in the corporate structure of the Company affecting
the Shares,  such adjustment shall be made in the number and class of securities
which may be  delivered  under the Plan,  and in the  number and class of and/or
price of securities subject to outstanding Awards granted under the Plan, as may
be determined to be  appropriate  and  equitable by the  Committee,  in its sole
discretion,  to prevent  dilution or  enlargement  of rights;  provided that the
number of securities  subject to any Award shall always be a whole  number;  and
provided further that the Committee may, in its sole discretion,  limit any such
adjustment  in order to  qualify  a  transaction  in which  the  Company  or any
affiliate is a party for pooling-of-interests accounting treatment.

Article 5.    Eligibility and Participation

         5.1  Eligibility.  Persons eligible to participate in this Plan include
all active Employees of the Company and its  Subsidiaries,  as determined by the
Committee,  including  Employees  who are  members of the Board,  but  excluding
Directors who are not Employees.


                                       B-6

<PAGE>


         5.2 Actual  Participation.  Subject to the  provisions of the Plan, the
Committee may, from time to time,  select from all eligible  Employees  those to
whom Awards shall be granted and shall  determine  the nature and amount of each
Award.

Article 6.    Stock Options

         6.1 Grant of Options.  Subject to the terms and provisions of the Plan,
Options may be granted to  Employees  at any time and from time to time as shall
be  determined  by  the  Committee.  The  Committee  shall  have  discretion  in
determining the number of Shares subject to Options granted to each Participant;
provided,  however,  that the maximum  number of Shares subject to Options which
may be granted to any single  Participant during the term of the Plan is 300,000
(subject to  adjustment  as provided in Section 4.3 herein).  The  Committee may
grant ISOs, NQSOs, or a combination thereof.

         6.2 Award  Agreement.  Each Option grant shall be evidenced by an Award
Agreement that shall specify the Option Price,  the duration of the Option,  the
number of Shares to which the Option pertains,  and such other provisions as the
Committee  shall  determine.  The Award Agreement also shall specify whether the
Option is  intended  to be an ISO within the meaning of Section 422 of the Code,
or a NQSO  whose  grant is  intended  not to fall under the Code  provisions  of
Section 422.

         6.3 Option  Price.  The Option  Price for each grant of an Option under
this  Section 6.3 shall be at least equal to one hundred  percent  (100%) of the
Fair Market Value of a Share on the date the Option is granted. In addition, the
Committee  may grant  Options  which have Option Prices that increase over time,
upon such terms as the Committee, in its sole discretion, deems appropriate.

         6.4  Duration of Options.  Each Option shall expire at such time as the
Committee  shall  determine  at the time of grant;  provided,  however,  that no
Option shall be exercisable later than the tenth (10th)  anniversary date of its
grant.

         6.5 Dividend Equivalents. Simultaneous with the grant of an Option, the
Participant receiving the Option may be granted, at no additional cost, Dividend
Equivalents. Each Dividend Equivalent shall entitle the Participant to receive a
contingent right to be paid an amount equal to the dividends declared on a Share
on all record  dates  occurring  during the period  between the grant date of an
Option and the date as specified by the Committee.  The underlying value of each
Dividend Equivalent shall accrue as a book entry in the name of each Participant
holding  the  Dividend  Equivalent.  Payout of the  accrued  value of a Dividend
Equivalent shall occur only pursuant to the terms and conditions as specified by
the Committee.

         6.6  Exercise  of  Options.  Options  granted  under the Plan  shall be
exercisable at such times and be subject to such  restrictions and conditions as
the  Committee  shall in each instance  approve,  which need not be the same for
each grant or for each Participant.

         6.7  Payment.  Options  shall be exercised by the delivery of a written
notice of  exercise  to the  Company,  setting  forth the number of Shares  with
respect to which the Option is to be exercised,  accompanied by full payment for
the Shares. The Option Price upon exercise of any Option shall be payable to the
Company  in full  either:  (a) in cash or its  equivalent,  or (b) by  tendering
previously  acquired Shares having an aggregate Fair Market Value at the time of
exercise  equal to the total Option Price,  or (c) by a  combination  of (a) and
(b).

                                       B-7

<PAGE>


         Notwithstanding  the  foregoing,  the Committee also may allow cashless
exercises as permitted under Federal  Reserve  Board's  Regulation T, subject to
such procedures as the Committee may deem appropriate.

         As soon as  practicable  after  receipt  of a written  notification  of
exercise and full payment, the Company shall deliver to the Participant,  in the
Participant's  name, Share  certificates in an appropriate amount based upon the
number of Shares purchased under the Option(s).

         6.8 Termination of Employment Due to Death, Disability, or Retirement.

         (a)      Termination  by  Death.  In  the  event  the  employment  of a
                  Participant is terminated by reason of death,  all outstanding
                  Options granted to that Participant shall immediately vest one
                  hundred  percent (100%),  and shall remain  exercisable at any
                  time prior to their expiration date, or for one (1) year after
                  the date of death, whichever period is shorter, by such person
                  or  persons  as shall  have  been  named as the  Participant's
                  beneficiary,  or  by  such  persons  that  have  acquired  the
                  Participant's  rights  under the Option by will or by the laws
                  of descent and distribution.

         (b)      Termination  by  Disability.  In the event the employment of a
                  Participant  is  terminated  by  reason  of  Disability,   all
                  outstanding   Options  granted  to  that   Participant   shall
                  immediately vest one hundred percent (100%) as of the date the
                  Committee determines the definition of Disability to have been
                  satisfied,  and shall remain  exercisable at any time prior to
                  their expiration date, or for one (1) year after the date that
                  the Committee  determines the definition of Disability to have
                  been satisfied, whichever period is shorter.

         (c)      Termination  by  Retirement.  In the event the employment of a
                  Participant  is  terminated  by  reason  of  Retirement,   all
                  outstanding   Options  granted  to  that   Participant   shall
                  immediately vest one hundred percent (100%),  and shall remain
                  exercisable at any time prior to their expiration date, or for
                  three  (3)  years  after  the  effective  date of  Retirement,
                  whichever period is shorter.

         (d)      Employment  Termination Followed by Death. In the event that a
                  Participant's employment terminates by reason of Disability or
                  Retirement,  and within the  exercise  period  following  such
                  termination the Participant dies, then the remaining  exercise
                  period under  outstanding  Options  shall equal the longer of:
                  (i) one (1)  year  following  death;  or  (ii)  the  remaining
                  portion of the  exercise  period  which was  triggered  by the
                  employment  termination.  Such Options shall be exercisable by
                  such  person  or  persons  who shall  have  been  named as the
                  Participant's  beneficiary,   or  by  such  persons  who  have
                  acquired the Participant's  rights under the Option by will or
                  by the laws of descent and distribution.

         (e)      Exercise  Limitations  on ISOs.  In the case of ISOs,  the tax
                  treatment  prescribed under Section 422 of the Code may not be
                  available if the Options are not exercised  within the Section
                  422 prescribed time periods after each of the various types of
                  employment termination.

         6.9 Termination of Employment for Other Reasons. If the employment of a
Participant  shall  terminate for any reason other than the reasons set forth in
Section 6.8 (and other than for  Cause),


                                       B-8

<PAGE>


all Options  held by the  Participant  which are not vested as of the  effective
date of  employment  termination  immediately  shall be forfeited to the Company
(and shall once again become available for grant under the Plan).  However,  the
Committee, in its sole discretion,  shall have the right to immediately vest all
or any portion of such Options,  subject to such terms as the Committee,  in its
sole discretion, deems appropriate.

         Options  which  are  vested  as of the  effective  date  of  employment
termination may be exercised by the Participant  within the period  beginning on
the effective date of employment termination,  and ending three (3) months after
such date.

         If the  employment of a Participant  shall be terminated by the Company
for Cause, all outstanding Options held by the Participant  immediately shall be
forfeited  to the Company and no  additional  exercise  period shall be allowed,
regardless of the vested status of the Options.

         6.10 Nontransferability of Options. Except as otherwise provided by the
Committee, no Option granted under the Plan may be sold,  transferred,  pledged,
assigned,  or otherwise alienated or hypothecated,  other than by will or by the
laws of descent and distribution.  Further,  except as otherwise provided by the
Committee,  all  Options  granted  to a  Participant  under  the  Plan  shall be
exercisable  during  his or her  lifetime  only  by  such  Participant,  or,  if
permissible  under  applicable  law,  by such  Participant's  guardian  or legal
representative.

Article 7.    Restricted Stock

         7.1 Grant of Restricted  Stock.  Subject to the terms and provisions of
the Plan, the Committee,  at any time and from time to time, may grant Shares of
Restricted  Stock to eligible  Employees in such amounts as the Committee  shall
determine.

         7.2 Restricted  Stock  Agreement.  Each Restricted Stock grant shall be
evidenced  by a  Restricted  Stock  Agreement  that shall  specify the Period of
Restriction, or Periods, the number of Restricted Stock Shares granted, and such
other provisions as the Committee shall determine.

         7.3  Transferability.  Except as provided in this Article 7, the Shares
of  Restricted  Stock  granted  herein  may not be sold,  transferred,  pledged,
assigned, or otherwise alienated or hypothecated until the end of the applicable
Period  of  Restriction  established  by  the  Committee  and  specified  in the
Restricted  Stock  Agreement,   or  upon  earlier   satisfaction  of  any  other
conditions,  as specified by the Committee in its sole  discretion and set forth
in the  Restricted  Stock  Agreement.  All rights with respect to the Restricted
Stock granted to a Participant  under the Plan shall be available  during his or
her lifetime only to such Participant.

         7.4  Other   Restrictions.   The  Committee  shall  impose  such  other
conditions  and/or  restrictions  on any  Shares  of  Restricted  Stock  granted
pursuant to the Plan as it may deem advisable including,  without limitation,  a
requirement that Participants pay a stipulated  purchase price for each Share of
Restricted   Stock,   restrictions   based  upon  the  achievement  of  specific
performance  goals  (Company-wide,   divisional,   and/or  individual),   and/or
restrictions  under applicable  Federal or state securities laws; and may legend
the certificates  representing  Restricted  Stock to give appropriate  notice of
such restrictions.


                                       B-9

<PAGE>


         7.5  Certificate   Legend.   In  addition  to  any  legends  placed  on
certificates  pursuant  to Section  7.4 herein,  each  certificate  representing
Shares of Restricted  Stock granted  pursuant to the Plan may bear the following
legend:

                  "The sale or other transfer of the Shares of stock represented
                  by this certificate,  whether  voluntary,  involuntary,  or by
                  operation  of law,  is  subject  to  certain  restrictions  on
                  transfer  as set forth in the  Interstate  Energy  Corporation
                  Long-Term  Equity  Incentive  Plan, and in a Restricted  Stock
                  Agreement.  A copy  of the  Plan  and  such  Restricted  Stock
                  Agreement may be obtained from Interstate Energy Corporation."

         The   Company   shall  have  the  right  to  retain  the   certificates
representing  Shares of Restricted Stock in the Company's  possession until such
time as all conditions and/or  restrictions  applicable to such Shares have been
satisfied.

         7.6  Removal of  Restrictions.  Except as  otherwise  provided  in this
Article 7, Shares of  Restricted  Stock covered by each  Restricted  Stock grant
made under the Plan shall become freely  transferable by the  Participant  after
the last day of the Period of Restriction. Once the Shares are released from the
restrictions,  the Participant  shall be entitled to have the legend required by
Section 7.5 removed from his or her Share certificate.

         7.7  Voting  Rights.  During the  Period of  Restriction,  Participants
holding  Shares of Restricted  Stock granted  hereunder may exercise full voting
rights with respect to those Shares.

         7.8   Dividends   and  Other   Distributions.   During  the  Period  of
Restriction,  Participants  holding Shares of Restricted Stock granted hereunder
may be credited with all regular cash  dividends paid with respect to all Shares
while they are so held. Except as provided in the succeeding sentence, all other
cash dividends and other distributions paid with respect to Shares of Restricted
Stock may be  credited  to  Participants  subject  to the same  restrictions  on
transferability  and  forfeitability  as the  Shares of  Restricted  Stock  with
respect to which they were paid. If any such dividends or distributions are paid
in  Shares,   the  Shares  shall  be  subject  to  the  same   restrictions   on
transferability  and  forfeitability  as the  Shares of  Restricted  Stock  with
respect to which they were paid.

         Subject  to the  succeeding  paragraph,  all  dividends  credited  to a
Participant  shall  be paid  to the  Participant  within  forty-five  (45)  days
following  the full  vesting of the Shares of  Restricted  Stock with respect to
which such dividends were earned.

         7.9 Termination of Employment Due to Death, Disability,  or Retirement.
In the event the  employment of a Participant  is terminated by reason of death,
Disability,  or Retirement,  all  outstanding  Shares of Restricted  Stock shall
immediately  vest  one  hundred  percent  (100%)  as of the  date of  employment
termination (in the case of Disability,  the date employment terminates shall be
deemed to be the date that the Committee  designates as the date the  definition
of Disability has been satisfied).  The holder of the certificates of Restricted
Stock shall be entitled to have any  nontransferability  legends  required under
Sections 7.4 and 7.5 of this Plan removed from the Share certificates.

         7.10 Termination of Employment for Other Reasons.  If the employment of
a Participant  shall terminate for any reason other than those  specifically set
forth in Section 7.9 herein,  during the 


                                       B-10

<PAGE>


applicable  Period of Restriction,  all Shares of Restricted Stock still subject
to restriction as of the effective  date of employment  termination  immediately
shall be  forfeited  and returned to the Company;  provided,  however,  that the
Committee may waive in whole or in part any or all remaining  restrictions  with
respect  to  such  Shares,  upon  such  terms  as the  Committee,  in  its  sole
discretion, deems appropriate.

Article 8.    Performance Units and Performance Shares

         8.1  Grant of  Performance  Units/Shares.  Subject  to the terms of the
Plan,  Performance  Units and  Performance  Shares may be  granted  to  eligible
Employees  at any time and from  time to  time,  as shall be  determined  by the
Committee.  The Committee  shall have complete  discretion  in  determining  the
number of Performance Units and Performance  Shares granted to each Participant;
provided,  however,  that unless and until the Committee determines that a grant
of  Performance  Units  and/or  Shares  shall not be designed to qualify for the
"performance-based"  exemption under Code Section 162(m),  the maximum payout to
any Named Executive Officer with respect to Performance Units and/or Performance
Shares  granted  in any one fiscal  year of the  Company  shall be four  hundred
thousand dollars ($400,000).

         8.2 Value of Performance Units/Shares. Each Performance Unit shall have
an initial value that is established by the Committee at the time of grant. Each
Performance  Share shall have an initial value equal to the Fair Market Value of
a Share on the date of grant.  The Committee shall set performance  goals in its
discretion which,  depending on the extent to which they are met, will determine
the number and/or value of Performance Units/Shares that will be paid out to the
Participants.  The time period  during which the  performance  goals must be met
shall be called a "Performance Period." Performance Periods shall, in all cases,
exceed six (6) months in length.  Unless and until the  Committee  proposes  for
shareowner vote a change in the general performance measures,  the attainment of
which shall  determine  the number  and/or  value of  Performance  Units  and/or
Performance Shares granted under the Plan, the Company or Subsidiary performance
measure to be used for purposes of grants to Named  Executive  Officers shall be
chosen from among the following alternatives:

         (a)      Return on equity;

         (b)      Total  shareowner   return  (share  price   appreciation  plus
                  dividends);

         (c)      Net income;

         (d)      Earnings per share; and/or

         (e)      Cash flow.

         The  Committee  shall  have  sole  discretion  to alter  the  governing
performance measures,  subject to shareowner approval, to the extent required in
order to comply with Section 162(m) of the Code.  Notwithstanding the foregoing,
in the event the Committee determines it is advisable to grant Performance Units
and/or  Performance  Shares which shall not qualify for the  "performance-based"
exemption under Code Section 162(m),  the Committee may make such grants without
satisfying the requirements of Code Section 162(m).


                                       B-11

<PAGE>


         8.3  Earning  of   Performance   Units/Shares.   After  the  applicable
Performance  Period has ended, the holder of Performance  Units/Shares  shall be
entitled to receive payout on the number and value of  Performance  Units/Shares
earned by the  Participant  over the Performance  Period,  to be determined as a
function of the extent to which the  corresponding  performance  goals have been
achieved.

         8.4 Form and Timing of Payment of Performance Units/Shares.  Payment of
earned  Performance  Units/Shares  shall be made in a single  lump  sum,  within
seventy-five   (75)  calendar  days   following  the  close  of  the  applicable
Performance  Period.  The  Committee,  in its sole  discretion,  may pay  earned
Performance  Units/Shares  in the form of cash or in Shares (or in a combination
thereof),  which have an  aggregate  Fair Market Value equal to the value of the
earned  Performance  Units/Shares  at the  close of the  applicable  Performance
Period.   Such  Shares  may  be  granted  subject  to  any  restrictions  deemed
appropriate by the Committee.

         Participants  shall be entitled to receive any dividends  declared with
respect  to  Shares  which  have  been  earned  in  connection  with  grants  of
Performance Units and/or  Performance Shares which have been earned, but not yet
distributed  to  Participants.  (Such  dividends  shall be  subject  to the same
accrual,  forfeiture,  and payout restrictions as apply to dividends earned with
respect to Shares of Restricted  Stock,  as set forth in Section 7.8 herein.) In
addition,  Participants may, at the discretion of the Committee,  be entitled to
exercise their voting rights with respect to such Shares.

         8.5 Termination of Employment Due to Death, Disability,  Retirement, or
Involuntary  Termination  Without  Cause.  In  the  event  the  employment  of a
Participant  is  terminated  by  reason  of death,  Disability,  Retirement,  or
involuntary   termination   without  Cause  during  a  Performance  Period,  the
Participant shall receive a prorated payout of the Performance Units/Shares. The
prorated  payout shall be determined by the Committee,  in its sole  discretion,
and  shall be based  upon  the  length  of time  that the  Participant  held the
Performance  Units/Shares  during the Performance  Period,  and shall further be
adjusted based on the achievement of the preestablished performance goals.

         Payment of earned  Performance  Units/Shares  shall be made at the same
time payments are made to Participants who did not terminate  employment  during
the applicable Performance Period.

         8.6  Termination of Employment  for Other Reasons.  In the event that a
Participant's  employment terminates for any reason other than those reasons set
forth in Section 8.5 herein, all Performance  Units/Shares shall be forfeited by
the Participant to the Company.

         8.7 Nontransferability.  Except as otherwise provided by the Committee,
Performance  Units/Shares may not be sold,  transferred,  pledged,  assigned, or
otherwise  alienated  or  hypothecated,  other  than by  will or by the  laws of
descent  and  distribution.   Further,  except  as  otherwise  provided  by  the
Committee, a Participant's rights under the Plan shall be exercisable during the
Participant's  lifetime  only  by the  Participant  or the  Participant's  legal
representative.

Article 9.    Beneficiary Designation

         Each  Participant  under  the Plan  may,  from  time to time,  name any
beneficiary or beneficiaries  (who may be named contingently or successively) to
whom any benefit under the Plan is to be paid in case of his or her death before
he or she  receives  any or all of such  benefit.  Each such  designation  shall
revoke  all  prior  designations  by the  same  Participant,  shall be in a form
prescribed  by the  Company,  and  will be  effective  only  when  filed  by the
Participant in writing with the Company during the


                                       B-12

<PAGE>


Participant's  lifetime.  In the  absence  of  any  such  designation,  benefits
remaining unpaid at the  Participant's  death shall be paid to the Participant's
estate.  The spouse of a married  Participant  domiciled in a community property
jurisdiction shall join in any designation of beneficiary or beneficiaries other
than the spouse.

Article 10.   Deferrals

         The  Committee  may permit a  Participant  to defer such  Participant's
receipt of the payment of cash or the delivery of Shares that would otherwise be
due to such  Participant  by virtue of the exercise of an Option or the lapse or
waiver of restrictions  with respect to Restricted Stock, or the satisfaction of
any requirements or goals with respect to Performance Units/Shares.  If any such
deferral  election is required or permitted,  the Committee  shall,  in its sole
discretion, establish rules and procedures for such payment deferrals.

Article 11.   Rights of Employees

         11.1  Employment.  Nothing in the Plan shall interfere with or limit in
any way the right of the Company to terminate  any  Participant's  employment at
any time, nor confer upon any Participant any right to continue in the employ of
the Company.  For purposes of the Plan,  transfer of employment of a Participant
between the Company and any one of its Subsidiaries,  or vice versa, (or between
Subsidiaries) shall not be deemed a termination of employment.

         11.2 Participation.  No Employee shall have the right to be selected to
receive an Award under this Plan, or, having been so selected, to be selected to
receive a future Award.

Article 12.   Change in Control

         12.1  Acceleration  Upon a Change in Control.  Upon the occurrence of a
Change in Control,  unless  otherwise  specifically  prohibited  by the terms of
Article 17 herein:

         (a)      Any and all Options granted hereunder shall become immediately
                  exercisable;

         (b)      Any  Period  of  Restriction  and   restrictions   imposed  on
                  Restricted Shares shall lapse;

         (c)      The target payout opportunity attainable under all outstanding
                  Performance  Units and  Performance  Shares shall be deemed to
                  have been fully earned for the entire Performance Period(s) as
                  of the  effective  date of the  Change in  Control,  and there
                  shall be paid out in cash to  Participants  within thirty (30)
                  days  following the effective  date of the Change in Control a
                  pro rata portion of such target  payout  opportunity  based on
                  the number of complete and partial  calendar months within the
                  Performance  Period  which had  elapsed  as of such  effective
                  date;   provided,   however,   that  there  shall  not  be  an
                  accelerated  payout  with  respect  to  Performance  Units  or
                  Performance Shares which were granted less than six (6) months
                  prior to the effective date of the Change in Control; and

         (d)      Subject to Article 13  herein,  the  Committee  shall have the
                  authority  to  make  any   modifications   to  the  Awards  as
                  determined  by the  Committee  to be  appropriate  before  the
                  effective date of the Change in Control.


                                       B-13

<PAGE>


         12.2 Pooling  Limitations.  The Committee may, in its sole  discretion,
amend,  modify or rescind the  provisions of Section 12.1 if it determines  that
the operation of Section 12.1 may prevent a transaction  in which the Company or
any  affiliate  is a party from being  accounted  for on a  pooling-of-interests
basis.

Article 13.   Amendment, Modification, and Termination

         13.1 Amendment,  Modification,  and Termination.  The Board may, at any
time and from time to time, alter, amend, suspend or terminate the Plan in whole
or in part.

         The Committee shall not have the authority to cancel outstanding Awards
and issue substitute Awards in replacement thereof.

         13.2  Awards  Previously   Granted.  No  termination,   amendment,   or
modification  of the Plan shall (except as otherwise  expressly  contemplated by
the Plan for Awards  granted  after  January 20, 1999)  adversely  affect in any
material way any Award  previously  granted under the Plan,  without the written
consent of the Participant holding such Award.

Article 14.   Withholding

         14.1 Tax Withholding. The Company shall have the power and the right to
deduct or withhold,  or require a Participant to remit to the Company, an amount
sufficient  to  satisfy   Federal,   state,   and  local  taxes  (including  the
Participant's  FICA  obligation)  required by law to be withheld with respect to
any taxable event  arising  from, or as a result of, any Awards to  Participants
under this Plan.

         14.2 Share Withholding.  With respect to withholding  required upon the
exercise of Options, upon the lapse of restrictions on Restricted Stock, or upon
any  other  taxable  event  arising  as a result of  Awards  granted  hereunder,
Participants may elect, subject to the approval of the Committee, to satisfy the
withholding  requirement,  in whole or in part,  by having the Company  withhold
Shares (or  deliver to the Company  previously  acquired  Shares)  having a Fair
Market  Value  on the  date the tax is to be  determined  equal  to the  minimum
statutory  total tax which is required to be  withheld  in  connection  with the
transaction. The Committee may establish such procedures as it deems appropriate
for the settling of withholding obligations with Shares.

Article 15.   Indemnification

         Each person who is or shall have been a member of the Committee,  or of
the Board,  shall be  indemnified  and held harmless by the Company  against and
from  any  loss,  cost,  liability,  or  expense  that  may be  imposed  upon or
reasonably  incurred  by him or her in  connection  with or  resulting  from any
claim, action, suit, or proceeding to which he or she may be a party or in which
he or she may be involved by reason of any action  taken or failure to act under
the  Plan  and  against  and  from  any  and all  amounts  paid by him or her in
settlement  thereof,  with  the  Company's  approval,  or  paid by him or her in
satisfaction of any judgment in any such action, suit, or proceeding against him
or her,  provided  he or she shall give the Company an  opportunity,  at its own
expense, to handle and defend the same before he or she undertakes to handle and
defend it on his or her own behalf.

         The foregoing  right of  indemnification  shall not be exclusive of any
other rights of  indemnification to which such persons may be entitled under the
Company's Articles of Incorporation


                                       B-14

<PAGE>


or Bylaws,  as a matter of law, or otherwise,  or any power that the Company may
have to indemnify them or hold them harmless.

Article 16.   Successors

         All  obligations of the Company under the Plan,  with respect to Awards
granted hereunder, shall be binding on any successor to the Company, whether the
existence  of such  successor  is the result of a direct or  indirect  purchase,
merger, consolidation, or otherwise, of all or substantially all of the business
and/or assets of the Company.

Article 17.   Restrictions on Share Transferability

         In  addition to any  restrictions  imposed  pursuant  to the Plan,  all
certificates  for Shares  delivered  under the Plan pursuant to any Award or the
exercise  thereof  shall be  subject  to such  stop  transfer  orders  and other
restrictions  as the Committee may deem  advisable  under the Plan or the rules,
regulations,  and other requirements of the Securities and Exchange  Commission,
any stock  exchange  or market upon which such Shares are then listed or traded,
and any applicable Federal or state securities laws, and the Committee may cause
a legend  or  legends  to be put on any such  certificates  to make  appropriate
reference to such restrictions.

Article 18.   Legal Construction

         18.1  Gender  and  Number.  Except  where  otherwise  indicated  by the
context,  any masculine  term used herein also shall  include the feminine;  the
plural shall include the singular and the singular shall include the plural.

         18.2 Severability. In the event any provision of the Plan shall be held
illegal or invalid for any reason, the illegality or invalidity shall not affect
the remaining parts of the Plan, and the Plan shall be construed and enforced as
if the illegal or invalid provision had not been included.

         18.3  Requirements  of Law.  The granting of Awards and the issuance of
Shares  under the Plan shall be  subject  to all  applicable  laws,  rules,  and
regulations,  and to such  approvals  by any  governmental  agencies or national
securities exchanges as may be required.

         18.4  Governing  Law. To the extent not  preempted  by Federal law, the
Plan, and all agreements  hereunder,  shall be construed in accordance  with and
governed by the laws of the State of Wisconsin.


                                       B-15

<PAGE>

                          INTERSTATE ENERGY CORPORATION
                                  P.O. Box 2568
                             Madison, WI 53701-2568

                  ANNUAL MEETING OF SHAREOWNERS - MAY 19, 1999


         The undersigned  appoints Errol B. Davis, Jr. and Edward M. Gleason, or
either of them,  attorneys and proxies,  with the power of  substitution to vote
all shares of stock of Interstate Energy  Corporation held of record in the name
of the undersigned  (including any shares held or credited to the  undersigned's
account  under the  Company's  Shareowner  Direct  Plan and ISU  Employee  Stock
Ownership  Plan) at the close of business on March 23, 1999,  at the 1999 Annual
Meeting  of  Shareowners  to held at the  Dubuque  Five Flags  Center,  405 Main
Street,  Dubuque,  Iowa, on May 19, 1999 at 1:00 p.m.,  and at all  adjournments
thereof,  upon all matters that properly come before the meeting,  including the
matters described in the Company's Notice of Annual Meeting of Shareowners dated
March 29,  1999 and  accompanying  Proxy  Statement,  subject to any  directions
indicated on the reverse side of this card.

This proxy is solicited on behalf of the Board of Directors of Interstate Energy
Corporation.  This  proxy  when  properly  executed  will be voted in the manner
directed  herein by the  shareowner.  If no direction is made, the proxy will be
voted "FOR" the election of all listed nominees, "FOR" the proposal to amend the
Restated  Articles  of  Incorporation  to change  the name of the  Company  from
Interstate  Energy  Corporation  to  Alliant  Energy  Corporation  and "FOR" the
proposal to approve the Long-Term Equity Incentive Plan, as amended.

            (continued and to be signed and dated on the other side)

<PAGE>


INTERSTATE ENERGY  CORPORATION     Indicate your vote by an (x) in the
   PROXY CARD                      appropriate boxes.

                                   1. ELECTION OF DIRECTORS:

                                   Nominees for terms         Withhold  For All
                                   ending in 2002.     For All For All Except(*)
                                    Alan B. Arends
                                    Rockne G. Flowers
                                    Katharine C. Lyall   [ ]     [ ]      [ ] 
                                    Robert D. Ray
                                    Anthony R. Weiler

                                    (*) TO  WITHHOLD  AUTHORITY  TO VOTE FOR ANY
                                    INDIVIDUAL  NOMINEE,  STRIKE A LINE  THROUGH
                                    THE  NOMINEE'S  NAME IN THE LIST  ABOVE  AND
                                    MARK AN (x) ON THE "For All Except" BOX.

Please  date and sign your          2. PROPOSAL TO AMEND THE RESTATED  
name(s) exactly as shown above         ARTICLES OF  INCORPORATION TO 
and return this proxy card in          CHANGE THE NAME OF THE COMPANY FROM 
the enclosed envelope.                 INTERSTATE ENERGY CORPORATION TO
                                       ALLIANT ENERGY CORPORATION
____________________ DATED:_______  
                                    
____________________ DATED:_______  
      Signature(s)                        For       Against       Abstain
                                          [ ]        [ ]            [ ]

      IMPORTANT: When signing as    
      attorney, executor,           
      administrator, trustee or     
      guardian, please give your    
      full title as such.  In the   
      case of JOINT HOLDERS, all    3.   PROPOSAL TO APPROVE  THE  LONG-TERM
      should sign.                       EQUITY  INCENTIVE  PLAN, AS AMENDED

                                          For       Against       Abstain
                                          [ ]        [ ]            [ ]

                     Please FOLD here and DETACH Proxy Card

To All Interstate Energy Corporation Shareowners:

You are invited to attend the Annual Meeting of  Shareowners  on Wednesday,  May
19,  1999,  at 1:00 p.m.  at the Dubuque  Five Flags  Center,  405 Main  Street,
Dubuque,  Iowa.  Above is your 1999 Interstate  Energy  Corporation  proxy card.
Please  read both  sides of the proxy  card,  complete,  sign and date the proxy
card. Detach and return the proxy card promptly in the  self-addressed  enclosed
envelope.  Whether  or not you are  attending,  we  encourage  you to vote  your
shares. This will help to avoid any unnecessary expenses.

If you are  attending  the  Annual  Meeting,  please  complete  and  detach  the
reservation  form below and return  with the signed  proxy card in the  enclosed
envelope.

Please contact Shareowner Services at 1-800-356-5343 to cancel your reservation.

                                                 SHAREOWNER INFORMATION NUMBERS
                                                 Local (Madison)  1-608-252-3110
                                                 All Other Areas  1-800-296-5343

                  Please FOLD here and DETACH Reservation Form

                                         ANNUAL MEETING RESERVATION

                                         I (WE) WILL ATTEND THE ANNUAL MEETING.

                                         Please  list your  name(s)  and your
                                         guest(s) below:

                                         ______________________________________
                                         ______________________________________
                                         ______________________________________

                                         Return this stub if you are planning
                                         to attend the Meeting.




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