INDIANAPOLIS POWER & LIGHT CO
PRE 14A, 1997-08-08
ELECTRIC SERVICES
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                                  SCHEDULE 14A
                     Information Required in Proxy Statement

                            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:

[X]      Preliminary Proxy Statement

[ ]      Confidential,  for use of the  Commission  only (as  permitted  by Rule
         14a-6(e)(2))

[ ]      Definitive Proxy Statement

[ ]      Definitive Additional Materials

[ ]      Soliciting  Material  Pursuant  to  Section  240.14a-11(c)  or  Section
         240.14a-12

                       INDIANAPOLIS POWER & LIGHT COMPANY
                (Name Of Registrant As Specified In Its Charter)
                   (Name of Person(s) Filing Proxy Statement)

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>

OFFER TO PURCHASE AND PROXY STATEMENT

                            IPALCO ENTERPRISES, INC.
                           OFFER TO PURCHASE FOR CASH
            Any and All Outstanding Shares of the Following Series of
                          Cumulative Preferred Stock of
                       INDIANAPOLIS POWER & LIGHT COMPANY

100,000  Shares,  Cumulative  Preferred  Stock, 4% Series at a Purchase Price of
$xxx.xx Per Share, CUSIP Number 455434 20 9

39,000 Shares,  Cumulative  Preferred Stock, 4.20% Series at a Purchase Price of
$xxx.xx Per Share, CUSIP Number 455434 88 6

30,000 Shares,  Cumulative  Preferred Stock, 4.60% Series at a Purchase Price of
$xxx.xx Per Share, CUSIP Number 455434 40 7

50,000 Shares,  Cumulative  Preferred Stock, 4.80% Series at a Purchase Price of
$xxx.xx Per Share, CUSIP Number 455434 80 3

100,000  Shares,  Cumulative  Preferred  Stock, 6% Series at a Purchase Price of
$xxx.xx Per Share, CUSIP Number 455434 30 8

199,985 Shares,  Cumulative Preferred Stock, 8.20% Series at a Purchase Price of
$xxx.xx Per Share, CUSIP Number 455434 60 5

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

                       INDIANAPOLIS POWER & LIGHT COMPANY
                                 PROXY STATEMENT
         With Respect to its Common Stock and Cumulative Preferred Stock

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

         THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 5:00 P.M., NEW YORK CITY
TIME,  ON  _________,  _________,  1997,  UNLESS  THE  OFFER  IS  EXTENDED  (THE
"EXPIRATION DATE").

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

         IPALCO Enterprises,  Inc., an Indiana corporation  ("IPALCO"),  invites
the holders of each series of  cumulative  preferred  stock listed above (each a
"Series of  Preferred,"  and the holder  thereof a "Preferred  Shareholder")  of
Indianapolis Power & Light Company, an Indiana corporation and direct subsidiary
of  IPALCO  ("IPL"),  to  tender  any and all of their  shares  of a  Series  of
Preferred  ("Shares")  for purchase at the purchase price per Share listed above
(the "Purchase Price") for the Shares tendered,  net to the seller in cash, upon
the terms and subject to the  conditions set forth in this Offer to Purchase and
Proxy Statement and in the  accompanying  Letter of Transmittal and Proxy (which
together  constitute the "Offer").  The Shares constitute all of the outstanding
shares of  preferred  stock of IPL.  IPALCO  will  purchase  all Shares  validly
tendered and not properly  and timely  withdrawn,  upon the terms and subject to
the  conditions of the Offer.  See "Terms of the Offer -- Certain  Conditions of
the Offer" and "Terms of the Offer -- Extension of Tender  Period;  Termination;
Amendments."

         In the event  that all  Shares of the 8.20%  Series of  Preferred  (the
"8.20% Shares") are not acquired by IPALCO pursuant to the Offer, IPL intends to
redeem all the 8.20% Shares which remain  outstanding  at a redemption  price of
$101.00 per 8.20% Share  pursuant to Article 6A,  Section 4(c) of IPL's  Amended
Articles of  Incorporation  (the  "Articles")  and the  provisions  of the 8.20%
Series' authorizing resolutions.

<PAGE>

         THE OFFER FOR A SERIES OF PREFERRED IS NOT CONDITIONED UPON ANY MINIMUM
NUMBER OF SHARES OF SUCH SERIES OF PREFERRED  BEING  TENDERED AND IS INDEPENDENT
OF  THE  OFFER  FOR  ANY  OTHER  SERIES  OF  PREFERRED.  PREFERRED  SHAREHOLDERS
(INCLUDING  PREFERRED  SHAREHOLDERS WHO ACQUIRE SHARES  SUBSEQUENT TO THE RECORD
DATE (AS  HEREINAFTER  DEFINED)) WHO WISH TO TENDER THEIR SHARES PURSUANT TO THE
OFFER  MUST  VOTE IN  FAVOR  OF THE  PROPOSED  AMENDMENT,  AS  DESCRIBED  BELOW.
MOREOVER,  THE OFFER IS  CONDITIONED  UPON,  AMONG OTHER  THINGS,  THE  PROPOSED
AMENDMENT BEING APPROVED AND ADOPTED AT THE SPECIAL MEETING, AS DESCRIBED BELOW.
SEE "TERMS OF THE OFFER -- CERTAIN CONDITIONS OF THE OFFER."

         IN ORDER TO VALIDLY  TENDER  SHARES  PURSUANT  TO THE OFFER,  PREFERRED
SHAREHOLDERS  WHO ACQUIRE  SHARES DURING THE PERIOD  BEGINNING TWO DAYS PRIOR TO
THE RECORD  DATE AND UP TO AND  INCLUDING  THE  EXPIRATION  DATE MUST  OBTAIN AN
ASSIGNMENT  OF PROXY FROM THE SELLER OF SUCH SHARES AND VOTE SUCH PROXY IN FAVOR
OF THE PROPOSED AMENDMENT.  IN ORDER TO FACILITATE THE TRANSFER OF SHARES DURING
THE PERIOD  DESCRIBED  ABOVE,  THE SHARES OF EACH SERIES OF PREFERRED WILL TRADE
"WITH PROXY" IN THE OVER-THE-COUNTER MARKET. SETTLEMENT OF ALL TRADES DURING THE
PERIOD  DESCRIBED  ABOVE SHOULD  INCLUDE AN ASSIGNMENT OF PROXY FROM THE SELLER.
SEE  "TERMS  OF THE  OFFER  -  PROCEDURE  FOR  TENDERING  SHARES."  FOR  FURTHER
INFORMATION,  CALL THE INFORMATION AGENT (AS HEREINAFTER  DEFINED) OR THE DEALER
MANAGERS (AS HEREINAFTER DEFINED) OR CONSULT YOUR BROKER FOR ASSISTANCE.

         A regular quarterly  dividend has been declared on each Share,  payable
on October 1, 1997,  to the owner of record on September  19, 1997 (the "October
Dividend").  A  tender  and  purchase  of  Shares  pursuant  to the  Offer  or a
redemption of 8.20% Shares will not deprive a shareholder of his or her right to
receive the October  Dividend on Shares held of record on  September  19,  1997,
regardless  of whether such  shareholder  tenders his or her Shares in the Offer
prior to that date. Tendering shareholders will not be entitled to any dividends
in respect of any later dividend periods, or any portion thereof.



<PAGE>

         Concurrently  with  the  Offer,  the  Board  of  Directors  of  IPL  is
soliciting proxies from Preferred Shareholders for use at the Special Meeting of
Shareholders  of IPL to be held at its principal  office,  One Monument  Circle,
Indianapolis,  Indiana 46204, on _________,  _________, 1997, or any adjournment
or postponement of such meeting (the "Special Meeting").  The Special Meeting is
being held to consider an amendment (the  "Proposed  Amendment") to the Articles
of IPL which would remove a provision of the Articles  that limits IPL's ability
to  issue   unsecured  debt  (the  "Debt   Limitation   Provision").   PREFERRED
SHAREHOLDERS  (INCLUDING PREFERRED SHAREHOLDERS WHO ACQUIRE SHARES SUBSEQUENT TO
THE RECORD  DATE) WHO WISH TO TENDER  THEIR  SHARES  PURSUANT  TO THE OFFER MUST
SUBMIT A DULY  COMPLETED,  VALID AND UNREVOKED  PROXY  INDICATING  THEIR VOTE IN
FAVOR OF THE  PROPOSED  AMENDMENT  OR INDICATE IN THE  ACCOMPANYING  PROXY THEIR
INTENTION TO VOTE FOR THE PROPOSED  AMENDMENT AT THE SPECIAL  MEETING.  HOWEVER,
PREFERRED  SHAREHOLDERS  OF  RECORD  HAVE  THE  RIGHT  TO VOTE  ON THE  PROPOSED
AMENDMENT  REGARDLESS  OF WHETHER  THEY TENDER  THEIR  SHARES.  IF THE  PROPOSED
AMENDMENT IS APPROVED  AND ADOPTED,  IPL WILL MAKE A SPECIAL CASH PAYMENT IN THE
AMOUNT OF $1.00 PER SHARE TO EACH  PREFERRED  SHAREHOLDER  WHO VOTED IN FAVOR OF
THE  PROPOSED  AMENDMENT,  PROVIDED  THAT  SUCH  SHARES  HAVE NOT BEEN  TENDERED
PURSUANT TO THE OFFER.  THOSE  PREFERRED  SHAREHOLDERS  WHO VALIDLY TENDER THEIR
SHARES WILL BE  ENTITLED  ONLY TO THE  PURCHASE  PRICE PER SHARE  LISTED  ABOVE.

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

         IPALCO  will  pay to each  designated  Soliciting  Dealer  (as  defined
herein) a solicitation  fee for Shares  tendered,  accepted for payment and paid
for  pursuant to the Offer,  and for all Shares  voted in favor of the  Proposed
Amendment, whether or not tendered, subject to certain conditions. See "Fees and
Expenses Associated with the Offer."

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

         THIS TRANSACTION HAS NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
AND EXCHANGE  COMMISSION  (THE  "COMMISSION"  OR "SEC") OR ANY STATE  SECURITIES
COMMISSION NOR HAS THE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON
THE FAIRNESS OR MERITS OF SUCH  TRANSACTION NOR UPON THE ACCURACY OR ADEQUACY OF
THE INFORMATION  CONTAINED IN THIS DOCUMENT.  ANY REPRESENTATION TO THE CONTRARY
IS UNLAWFUL.

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

         NEITHER IPALCO,  IPL, THEIR RESPECTIVE BOARDS OF DIRECTORS,  NOR ANY OF
THEIR RESPECTIVE OFFICERS MAKES ANY RECOMMENDATION TO ANY PREFERRED  SHAREHOLDER
AS TO WHETHER TO TENDER ANY OR ALL SHARES. EACH PREFERRED  SHAREHOLDER MUST MAKE
HIS OR HER OWN  DECISION  AS TO WHETHER TO TENDER HIS OR HER SHARES  AND, IF SO,
HOW MANY SHARES TO TENDER.

                            ------------------------
         IPL'S BOARD OF DIRECTORS RECOMMENDS VOTING FOR THE PROPOSED AMENDMENT.

         This Offer to Purchase and Proxy  Statement is first being mailed on or
about _________,  1997 to registered Preferred Shareholders as of _____________,
1997.

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

         Each Series of Preferred is traded in the over-the-counter  market (the
"OTC") and is not listed on any national  securities  exchange nor quoted on the
automated  quotation  system  of a  registered  securities  association.  As  of
_______,  1997,  the last  reported  sales  prices as reported  by the  National
Quotation  Bureau,  Inc. were $_____ for the 4% Series of Preferred (on _______,
1997); $_____ for the 6% Series of Preferred (on _______, 1997); and $______ for
the 8.20%  Series of  Preferred  (on _____,  1997).  There were no sales  prices
available for the 4.20% Series of  Preferred,  the 4.60% Series of Preferred and
the 4.80% Series of  Preferred.  IPALCO and IPL believe that such last  reported
sales price with respect to each Series of Preferred  may not be  indicative  of
the  market  value  of  the  Shares  of  such  Series  of  Preferred.  Preferred
Shareholders are urged to obtain current market  quotations,  if available,  for
the Shares.

                            ------------------------
                     The Dealer Managers for the Offer are:
Dillon, Read & Co. Inc.                                     Merrill Lynch & Co.
                            ------------------------
The date of this Offer to Purchase and Proxy Statement is _________, 1997.


<PAGE>




         NO PERSON HAS BEEN AUTHORIZED TO MAKE ANY  RECOMMENDATION  ON BEHALF OF
IPALCO OR IPL AS TO WHETHER  PREFERRED  SHAREHOLDERS  SHOULD TENDER THEIR SHARES
PURSUANT TO THE OFFER.  NO PERSON HAS BEEN AUTHORIZED TO GIVE ANY INFORMATION OR
TO MAKE ANY  REPRESENTATIONS  IN  CONNECTION  WITH THE OFFER  OTHER  THAN  THOSE
CONTAINED  HEREIN OR IN THE RELATED LETTER OF TRANSMITTAL AND PROXY. IF GIVEN OR
MADE, SUCH RECOMMENDATION AND SUCH INFORMATION AND  REPRESENTATIONS  MUST NOT BE
RELIED UPON AS HAVING BEEN AUTHORIZED BY IPALCO OR IPL.


                                    IMPORTANT

         Any Preferred  Shareholder  desiring to accept the Offer and tender all
or any  portion of his or her Shares  should,  in addition to voting in favor of
the Proposed  Amendment  either by executing and  returning  the enclosed  proxy
contained  in the Letter of  Transmittal  and Proxy  accompanying  this Offer to
Purchase  and Proxy  Statement  or by voting in person by ballot at the  Special
Meeting,  either (i) request his or her broker,  dealer,  commercial bank, trust
company or nominee to effect the  transaction  for him or her, or (ii)  complete
and sign the Letter of Transmittal and Proxy enclosed  herewith,  or a facsimile
thereof,  in accordance  with the  instructions in the Letter of Transmittal and
Proxy, mail or deliver it and any other required  documents to IBJ Schroder Bank
& Trust Company (the "Depositary"), and deliver the certificates for such Shares
to the  Depositary,  along with the Letter of  Transmittal  and Proxy,  or (iii)
tender such Shares  pursuant to the procedure for book-entry  transfer set forth
below under "Terms of the Offer -- Procedure for Tendering Shares," prior to the
Expiration Date. A Preferred Shareholder whose Shares are registered in the name
of a broker, dealer, commercial bank, trust company or nominee must contact such
broker,  dealer,  commercial bank, trust company or nominee if he or she desires
to tender such Shares.  Any Preferred  Shareholder  who desires to tender his or
her Shares and whose certificates for such Shares are not immediately available,
or who  cannot  comply in a timely  manner  with the  procedure  for  book-entry
transfer,  should tender such Shares by following the  procedures for guaranteed
delivery set forth below under "Terms of the Offer --  Procedure  for  Tendering
Shares."

         EACH SERIES OF PREFERRED HAS ITS OWN LETTER OF  TRANSMITTAL  AND PROXY,
AND ONLY THE  APPLICABLE  LETTER OF  TRANSMITTAL  AND  PROXY FOR SUCH  SERIES OF
PREFERRED  OR A NOTICE OF  GUARANTEED  DELIVERY  AND PROXY MAY BE USED TO TENDER
SHARES OF SUCH SERIES OF  PREFERRED.  A LETTER OF  TRANSMITTAL  AND PROXY MAY BE
USED TO VOTE IN FAVOR OF THE  PROPOSED  AMENDMENT  EVEN IF NO  SHARES  ARE BEING
TENDERED.

         Questions or requests for assistance or for  additional  copies of this
Offer to Purchase and Proxy Statement, the Letter of Transmittal and Proxy for a
Series of Preferred,  or other tender offer or proxy solicitation  materials may
be directed to D. F. King & Co., Inc. (the "Information  Agent") or Dillon, Read
& Co. Inc. and Merrill Lynch & Co. (the "Dealer  Managers") at their  respective
addresses  and  telephone  numbers  set forth on the back cover of this Offer to
Purchase and Proxy Statement.



<PAGE>



                                TABLE OF CONTENTS
                                                                           Page
SUMMARY..................................................................... 1

INTRODUCTION................................................................ 5

SPECIAL FACTORS............................................................. 7
         Purpose Of The Offer; Certain Effects Of The Offer;
         Plans Of IPALCO And IPL After The Offer............................ 7
         Certain Legal Matters; Regulatory Approvals;
         No Dissenters' Rights..............................................11 

TERMS OF THE OFFER..........................................................12
         Number Of Shares; Purchase Prices; Expiration Date; Dividends......12
         Procedure For Tendering Shares.....................................13
         Withdrawal Rights..................................................17
         Acceptance Of Shares For Payment And Payment Of Purchase Price.....18
         Certain Conditions Of The Offer....................................19
         Extension Of Tender Period; Termination; Amendments................21

PROPOSED AMENDMENT AND PROXY SOLICITATION...................................22
         Introduction.......................................................22
         Voting Securities, Rights And Procedures...........................23
         Proxies............................................................23
         Special Cash Payments..............................................24
         Security Ownership Of Certain Beneficial Owners And Management.....25
         Business To Come Before The Special Meeting........................27
         Explanation Of The Proposed Amendment..............................27
         Reasons For The Proposed Amendment.................................27
         Financial And Other Information Relating To IPL....................29
         Relationship With Independent Public Accountants...................29
         Shareholder Proposals For 1998 Annual Meeting Of IPL...............29

PRICE RANGE OF SHARES; DIVIDENDS............................................29

CERTAIN FEDERAL INCOME TAX CONSEQUENCES.....................................32

SOURCE AND AMOUNT OF FUNDS..................................................33

TRANSACTIONS AND AGREEMENTS CONCERNING THE SHARES...........................34

FEES AND EXPENSES ASSOCIATED WITH THE OFFER.................................34

CERTAIN INFORMATION REGARDING IPL AND IPALCO................................36

SUMMARY OF CONSOLIDATED FINANCIAL INFORMATION...............................36

ADDITIONAL INFORMATION; INCORPORATION BY REFERENCE..........................37

MISCELLANEOUS...............................................................38



<PAGE>


                                     SUMMARY

         THE FOLLOWING  SUMMARY IS PROVIDED  SOLELY FOR THE  CONVENIENCE  OF THE
PREFERRED  SHAREHOLDERS.  THIS  SUMMARY IS NOT  INTENDED TO BE  COMPLETE  AND IS
QUALIFIED  IN ITS  ENTIRETY  BY  REFERENCE  TO THE FULL  TEXT AND MORE  SPECIFIC
DETAILS CONTAINED IN THE OFFER AND ANY AMENDMENTS HERETO. PREFERRED SHAREHOLDERS
ARE URGED TO READ THIS OFFER TO PURCHASE AND PROXY  STATEMENT  AND THE LETTER OF
TRANSMITTAL  AND PROXY  ENCLOSED  HEREWITH,  EACH IN ITS  ENTIRETY.  EACH OF THE
CAPITALIZED  TERMS USED IN THIS  SUMMARY AND NOT DEFINED  HEREIN HAS THE MEANING
SET FORTH ELSEWHERE IN THIS OFFER TO PURCHASE AND PROXY STATEMENT.

The Companies          IPALCO is a holding company and the parent company of IPL
                       and Mid-America Capital Resources,  Inc. ("Mid-America").
                       IPL is a regulated  electric  and steam  service  utility
                       engaged    primarily   in    generating,    transmitting,
                       distributing  and selling  electric energy in the city of
                       Indianapolis and neighboring  cities,  towns and adjacent
                       rural  areas,  all within the State of Indiana.  IPL also
                       produces,  distributes  and sells steam  within a limited
                       area in Indianapolis.  Mid-America is the holding company
                       for the unregulated activities of IPALCO, which primarily
                       include   operation  of  district   heating  and  cooling
                       systems,  research  and  development  of  energy  storage
                       technology,  and  operation  of an  energy  system  in an
                       industrial complex.

The Shares             IPL 4%  Cumulative  Preferred  Stock ($100 par value) IPL
                       4.20%  Cumulative  Preferred  Stock  ($100 par value) IPL
                       4.60%  Cumulative  Preferred  Stock  ($100 par value) IPL
                       4.80% Cumulative  Preferred Stock ($100 par value) IPL 6%
                       Cumulative  Preferred  Stock  ($100 par  value) IPL 8.20%
                       Cumulative Preferred Stock ($100 par value)

The Offer              Offer to purchase  any or all Shares of each Series
                       of Preferred at the price per Share set forth below.

Purchase Price         $_______ per Share of 4% Cumulative Preferred Stock
                       $_______ per Share of 4.20% Cumulative Preferred Stock
                       $_______ per Share of 4.60% Cumulative Preferred Stock
                       $_______ per Share of 4.80% Cumulative Preferred Stock
                       $_______ per Share of 6% Cumulative Preferred Stock
                       $_______ per Share of 8.20% Cumulative Preferred Stock



<PAGE>

Dividends              A regular  quarterly  dividend has been  declared on each
                       Share, payable on October 1, 1997, to the owner of record
                       on September 19, 1997 (the "October Dividend").  A tender
                       and  purchase  of  Shares  pursuant  to  the  Offer  or a
                       redemption of 8.20% Shares will not deprive a shareholder
                       of his or her right to receive  the  October  Dividend on
                       Shares held of record on September  19, 1997,  regardless
                       of whether such shareholder  tenders his or her Shares in
                       the Offer prior to that date. Tendering shareholders will
                       not be entitled to any  dividends in respect of any later
                       dividend periods, or any portion thereof.

Independent Offer      The Offer for one Series of Preferred is  independent  of
                       the Offer for any other Series of Preferred. The Offer is
                       not conditioned  upon any minimum number of shares of the
                       applicable  Series of Preferred  being  tendered,  but is
                       conditioned  upon the Proposed  Amendment  being approved
                       and   adopted   at   the   Special   Meeting.   Preferred
                       Shareholders who wish to tender their Shares must vote in
                       favor of the Proposed Amendment.  The Offer is subject to
                       certain other conditions described herein.

Expiration Date
of the Offer           The Offer  expires at 5:00 p.m.,  New York City time,  on
                       _________, _________, 1997, unless extended.

How to Tender Shares   Preferred Shareholders  (including Preferred Shareholders
                       who acquire  Shares  subsequent  to the Record  Date) who
                       wish to tender  their  Shares  pursuant to the Offer must
                       vote  in  favor  of  the  Proposed  Amendment.  Preferred
                       Shareholders who purchase or whose purchase is registered
                       after the Record Date and who wish to tender their Shares
                       must arrange  with their seller to receive an  assignment
                       of proxy from the holder of record on the Record Date. In
                       order to  facilitate  receipt of proxies,  Shares  shall,
                       during the period which commences ___________,  1997 (two
                       business  days prior to the  Record  Date) and which will
                       end at the  close of  business  on the  Expiration  Date,
                       trade  in  the  over-the-counter   market  with  a  proxy
                       providing  the  transferee  with the  right to vote  such
                       acquired Shares in the Proxy Solicitation.  Settlement of
                       all  trades  during  the period  described  above  should
                       include  an  assignment  of proxy  from the  seller.  See
                       "Terms of the Offer -- Procedure for  Tendering  Shares."
                       For further  information,  call the Information  Agent or
                       the  Dealer   Managers   or  consult   your   broker  for
                       assistance.

Withdrawal Rights      Tendered  Shares  of  any  Series  of  Preferred  may  be
                       withdrawn  at any time  until  the  Expiration  Date with
                       respect  to  such  Series  of   Preferred   and,   unless
                       theretofore  accepted for payment,  may also be withdrawn
                       after _______,  __________, 1997. See "Terms of the Offer
                       --  Withdrawal   Rights."  The  proxy   accompanying  any
                       tendered Shares that are withdrawn will not be considered
                       revoked  unless the  Preferred  Shareholder  specifically
                       revokes such proxy as  described  herein.  See  "Proposed
                       Amendment and Proxy Solicitation - Proxies."

Purpose of the Offer   IPALCO is making the Offer  because it believes  that the
                       purchase of Shares is economically  attractive to IPALCO,
                       its  shareholders  and IPL. In addition,  the Offer gives
                       Preferred  Shareholders  the  opportunity  to sell  their
                       Shares at what  IPALCO  believes  is a  premium  over the
                       market  price and  without  the usual  transaction  costs
                       associated  with a market sale.  See "Special  Factors --
                       Purpose of the Offer; Certain Effects of the Offer; Plans
                       of IPALCO and IPL After the Offer."


Brokerage Commissions  Not payable by Preferred Shareholders.

<PAGE>

Solicitation Fee       IPALCO will pay to each  designated  Soliciting  Dealer a
                       solicitation  fee of $___  per  Share  (except  that  for
                       transactions for beneficial  owners equal to or exceeding
                       ____ Shares,  IPALCO will pay a solicitation  fee of $___
                       per Share) for any Shares tendered,  accepted for payment
                       and paid for  pursuant  to the Offer,  and for all Shares
                       voted in favor of the Proposed Amendment,  whether or not
                       tendered.  Solicitation  fees payable in transactions for
                       beneficial owners of _______ or more Shares shall be paid
                       80% to the  Dealer  Managers  and  20% to the  Soliciting
                       Dealers  (which  may  be  a  Dealer  Manager).   However,
                       Soliciting Dealers will not be entitled to a solicitation
                       fee for  Shares  beneficially  owned  by such  Soliciting
                       Dealer.

Proposed Amendment     Concurrently  with the Offer,  the Board of  Directors of
                       IPL is soliciting  proxies for use at the Special Meeting
                       of Shareholders of IPL. The Special Meeting is being held
                       to consider an  amendment to IPL's  Articles  which would
                       remove a  provision  that limits  IPL's  ability to issue
                       unsecured debt. If the Proposed  Amendment is approved by
                       the  shareholders,  the  provision of the  Articles  that
                       limits  IPL's  ability  to issue  unsecured  debt will be
                       eliminated   with  respect  to  any  Shares  that  remain
                       outstanding after consummation of the Offer. See "Special
                       Factors -- Purpose of the Offer;  Certain  Effects of the
                       Offer; Plans of IPALCO and IPL After the Offer."

Record Date            ____________________, 1997.


Special Cash Payment   If the  Proposed  Amendment  is  approved  and adopted by
                       IPL's shareholders,  IPL will make a special cash payment
                       of $1.00  per  share to each  Preferred  Shareholder  who
                       voted in favor of the Proposed  Amendment,  provided that
                       such Shares have not been tendered pursuant to the Offer.
                       Preferred  Shareholders  who validly  tender their Shares
                       will be  entitled  only to the  Purchase  Price per Share
                       listed on the front cover of this Offer to  Purchase  and
                       Proxy Statement.

Stock Transfer Tax     IPALCO  will pay or cause to be paid any  stock  transfer
                       taxes with respect to the sale and transfer of any Shares
                       to it or its order pursuant to the Offer.  Each Preferred
                       Shareholder  will be responsible for paying any income or
                       gross  receipts  taxes  imposed  by any  jurisdiction  by
                       reason of the Special Cash Payment and/or the sale of the
                       Shares.  See  Instruction 6 of the  applicable  Letter of
                       Transmittal  and Proxy.  See also  "Terms of the Offer --
                       Acceptance  of Shares for Payment and Payment of Purchase
                       Price" and  "Certain  Federal  Income Tax  Consequences."

<PAGE>

Payment Date           Promptly after the Expiration Date.

Further Information    Additional  copies of this  Offer to  Purchase  and Proxy
                       Statement and the applicable  Letter of  Transmittal  and
                       Proxy may be  obtained  by  contacting  D. F. King & Co.,
                       Inc.,  77  Water  Street,   New  York,  New  York  10005,
                       telephone:  (800) 859-8508 (toll-free) and (212) 425-1685
                       (brokers and dealers).  Questions  about the Offer should
                       be directed to Dillon,  Read & Co. Inc. at (212) 906-7531
                       or to Merrill Lynch & Co. at  1-888-ML4-TNDR  (toll free)
                       (1-888-654-8637 (toll free)).







<PAGE>

                                  INTRODUCTION

         IPALCO Enterprises,  Inc., an Indiana corporation  ("IPALCO"),  invites
the holders of each series of  cumulative  preferred  stock listed below (each a
"Series of  Preferred,"  and the holder  thereof a "Preferred  Shareholder")  of
Indianapolis Power & Light Company, an Indiana corporation and direct subsidiary
of  IPALCO  ("IPL"),  to  tender  any and all of their  shares  of a  Series  of
Preferred  ("Shares")  for purchase at the purchase price per Share listed below
(the "Purchase Price"):

                  Series or Preferred                           Purchase Price
                  -------------------                           --------------
         Cumulative Preferred Stock, 4% Series                $xxx.xx per Share
         Cumulative Preferred Stock, 4.20% Series             $xxx.xx per Share
         Cumulative Preferred Stock, 4.60% Series             $xxx.xx per Share
         Cumulative Preferred Stock, 4.80% Series             $xxx.xx per Share
         Cumulative Preferred Stock, 6% Series                $xxx.xx per Share
         Cumulative Preferred Stock, 8.20% Series             $xxx.xx per Share

in each case net to the  seller  in cash,  upon the  terms  and  subject  to the
conditions  set forth in this Offer to Purchase and Proxy  Statement  and in the
accompanying  Letter of  Transmittal  and Proxy (which  together  constitute the
"Offer"). The Shares constitute all of the outstanding shares of preferred stock
of IPL.  IPALCO will purchase all Shares  validly  tendered and not properly and
timely withdrawn, upon the terms and subject to the conditions of the Offer. See
"Terms of the Offer -- Certain  Conditions of the Offer" and "Terms of the Offer
- -- Extension of Tender Period; Termination; Amendments."

         In the event  that all  Shares of the 8.20%  Series of  Preferred  (the
"8.20% Shares") are not acquired by IPALCO pursuant to the Offer, IPL intends to
redeem all the 8.20% Shares which remain  outstanding  at a redemption  price of
$101.00 per 8.20% Share  pursuant to Article 6A,  Section 4(c) of IPL's  Amended
Articles of  Incorporation  (the  "Articles")  and the  provisions  of the 8.20%
Series' authorizing resolutions.

         THE OFFER FOR A SERIES OF PREFERRED IS NOT CONDITIONED UPON ANY MINIMUM
NUMBER OF SHARES OF SUCH SERIES OF PREFERRED  BEING  TENDERED AND IS INDEPENDENT
OF  THE  OFFER  FOR  ANY  OTHER  SERIES  OF  PREFERRED.  PREFERRED  SHAREHOLDERS
(INCLUDING  PREFERRED  SHAREHOLDERS WHO ACQUIRE SHARES  SUBSEQUENT TO THE RECORD
DATE) WHO WISH TO TENDER THEIR  SHARES  PURSUANT TO THE OFFER MUST VOTE IN FAVOR
OF THE PROPOSED AMENDMENT.  MOREOVER, THE OFFER IS CONDITIONED UPON, AMONG OTHER
THINGS,  THE  PROPOSED  AMENDMENT  BEING  APPROVED  AND  ADOPTED AT THE  SPECIAL
MEETING. SEE "TERMS OF THE OFFER -- CERTAIN CONDITIONS OF THE OFFER."

         IN ORDER TO VALIDLY  TENDER  SHARES  PURSUANT  TO THE OFFER,  PREFERRED
SHAREHOLDERS  WHO ACQUIRE  SHARES DURING THE PERIOD  BEGINNING TWO DAYS PRIOR TO
THE RECORD  DATE AND UP TO AND  INCLUDING  THE  EXPIRATION  DATE MUST  OBTAIN AN
ASSIGNMENT  OF PROXY FROM THE SELLER OF SUCH SHARES AND VOTE SUCH PROXY IN FAVOR
OF THE PROPOSED AMENDMENT.  IN ORDER TO FACILITATE THE TRANSFER OF SHARES DURING
THE PERIOD  DESCRIBED  ABOVE,  THE SHARES OF EACH SERIES OF PREFERRED WILL TRADE
"WITH PROXY" IN THE OVER-THE-COUNTER MARKET. SETTLEMENT OF ALL TRADES DURING THE
PERIOD  DESCRIBED  ABOVE SHOULD  INCLUDE AN ASSIGNMENT OF PROXY FROM THE SELLER.
SEE  "TERMS  OF THE  OFFER  -  PROCEDURE  FOR  TENDERING  SHARES."  FOR  FURTHER
INFORMATION,  CALL THE INFORMATION  AGENT OF THE DEALER MANAGERS OR CONSULT YOUR
BROKER FOR ASSISTANCE.

         A regular quarterly  dividend has been declared on each Share,  payable
on October 1, 1997,  to the owner of record on September  19, 1997 (the "October
Dividend").  A  tender  and  purchase  of  Shares  pursuant  to the  Offer  or a
redemption of 8.20% Shares will not deprive a shareholder of his or her right to
receive the October  Dividend on Shares held of record on  September  19,  1997,
regardless  of whether such  shareholder  tenders his or her Shares in the Offer
prior to that date. Tendering shareholders will not be entitled to any dividends
in respect of any later dividend periods, or any portion thereof.


<PAGE>

         Concurrently  with  the  Offer,  the  Board  of  Directors  of  IPL  is
soliciting proxies from Preferred Shareholders for use at the Special Meeting of
Shareholders  of IPL to be held at its principal  office,  One Monument  Circle,
Indianapolis,  Indiana 46204, on _________,  _________, 1997, or any adjournment
or postponement of such meeting (the "Special Meeting").  The Special Meeting is
being held to consider an amendment (the  "Proposed  Amendment") to the Articles
of IPL which would remove a provision of the Articles  that limits IPL's ability
to  issue   unsecured  debt  (the  "Debt   Limitation   Provision").   PREFERRED
SHAREHOLDERS  (INCLUDING PREFERRED SHAREHOLDERS WHO ACQUIRE SHARES SUBSEQUENT TO
THE RECORD  DATE) WHO WISH TO TENDER  THEIR  SHARES  PURSUANT  TO THE OFFER MUST
SUBMIT A DULY  COMPLETED,  VALID AND UNREVOKED  PROXY  INDICATING  THEIR VOTE IN
FAVOR OF THE  PROPOSED  AMENDMENT  OR INDICATE IN THE  ACCOMPANYING  PROXY THEIR
INTENTION TO VOTE FOR THE PROPOSED  AMENDMENT AT THE SPECIAL  MEETING.  HOWEVER,
PREFERRED  SHAREHOLDERS  OF  RECORD  HAVE  THE  RIGHT  TO VOTE  ON THE  PROPOSED
AMENDMENT  REGARDLESS  OF WHETHER  THEY TENDER  THEIR  SHARES.  IF THE  PROPOSED
AMENDMENT IS APPROVED  AND ADOPTED,  IPL WILL MAKE A SPECIAL CASH PAYMENT IN THE
AMOUNT OF $1.00 PER SHARE TO EACH  PREFERRED  SHAREHOLDER  WHO VOTED IN FAVOR OF
THE  PROPOSED  AMENDMENT,  PROVIDED  THAT  SUCH  SHARES  HAVE NOT BEEN  TENDERED
PURSUANT TO THE OFFER.  THOSE  PREFERRED  SHAREHOLDERS  WHO VALIDLY TENDER THEIR
SHARES WILL BE ENTITLED ONLY TO THE PURCHASE PRICE PER SHARE LISTED ABOVE.

         IPALCO  will  pay to each  designated  Soliciting  Dealer  (as  defined
herein) a solicitation  fee for Shares  tendered,  accepted for payment and paid
for  pursuant to the Offer,  and for all Shares  voted in favor of the  Proposed
Amendment, whether or not tendered, subject to certain conditions. See "Fees and
Expenses Associated with the Offer."

         THIS TRANSACTION HAS NOT BEEN APPROVED OR DISAPPROVED BY THE SECURITIES
AND EXCHANGE  COMMISSION  (THE  "COMMISSION"  OR "SEC") OR ANY STATE  SECURITIES
COMMISSION NOR HAS THE COMMISSION OR ANY STATE SECURITIES COMMISSION PASSED UPON
THE FAIRNESS OR MERITS OF SUCH  TRANSACTION NOR UPON THE ACCURACY OR ADEQUACY OF
THE INFORMATION  CONTAINED IN THIS DOCUMENT.  ANY REPRESENTATION TO THE CONTRARY
IS UNLAWFUL.

         NEITHER IPALCO,  IPL, THEIR RESPECTIVE BOARDS OF DIRECTORS,  NOR ANY OF
THEIR RESPECTIVE OFFICERS MAKES ANY RECOMMENDATION TO ANY PREFERRED  SHAREHOLDER
AS TO WHETHER TO TENDER ANY OR ALL SHARES. EACH PREFERRED  SHAREHOLDER MUST MAKE
HIS OR HER OWN  DECISION  AS TO WHETHER TO TENDER HIS OR HER SHARES  AND, IF SO,
HOW MANY SHARES TO TENDER.

         IPL'S BOARD OF DIRECTORS RECOMMENDS VOTING FOR THE PROPOSED AMENDMENT.



<PAGE>

         Each Series of Preferred is traded in the over-the-counter  market (the
"OTC") and is not listed on any national  securities  exchange nor quoted on the
automated  quotation  system  of a  registered  securities  association.  As  of
_______,  1997,  the last  reported  sales  prices as reported  by the  National
Quotation  Bureau,  Inc. were $_____ for the 4% Series of Preferred (on _______,
1997); $_____ for the 6% Series of Preferred (on _______, 1997); and $______ for
the 8.20%  Series of  Preferred  (on ______,  1997).  There were no sales prices
available for the 4.20% Series of  Preferred,  the 4.60% Series of Preferred and
the 4.80% Series of  Preferred.  IPALCO and IPL believe that such last  reported
sales price with respect to each Series of Preferred  may not be  indicative  of
the  market  value  of  the  Shares  of  such  Series  of  Preferred.  Preferred
Shareholders are urged to obtain current market  quotations,  if available,  for
the Shares. See "Price Range of Shares; Dividends."

         Neither  IPALCO,  IPL nor any of  their  affiliates  currently  own any
Shares.

                                 SPECIAL FACTORS

Purpose Of The  Offer;  Certain  Effects  Of The Offer;  Plans Of IPALCO And IPL
After The Offer

         Purpose of the Offer.  IPALCO  believes that the purchase of the Shares
at this time  represents an attractive  economic  opportunity  that will benefit
IPALCO,  its  shareholders  and  IPL.  The  Board of  Directors  of  IPALCO  has
authorized the Offer by a unanimous vote.

         IPALCO   believes   the  Offer  is  fair  to   unaffiliated   Preferred
Shareholders. In making this determination, IPALCO considered that (a) the Offer
provides Preferred  Shareholders the opportunity to sell their Shares at a price
which  IPALCO  believes to be at a premium over the  respective  market price of
Shares of each Series of Preferred on the date of the  announcement of the Offer
and (b) the Offer provides Preferred  Shareholders the opportunity to sell those
Shares for cash without the usual  transaction  costs  associated  with a market
sale.  IPALCO did not find it practicable to, and did not, quantify or otherwise
assign relative weights to these  considerations.  Trading of the Shares of each
Series of Preferred has been limited and sporadic.  Therefore, IPALCO determined
the  Purchase  Price for each  Series of  Preferred  with  reference  to certain
objective  factors,  including,  but not limited to, yields on U.S. Treasury and
municipal  securities,  yields on  comparable  preferred  securities,  the prior
trading characteristics of each Series of Preferred,  and the current redemption
price of each  Series  of  Preferred,  as well as  certain  subjective  factors,
including,  but not limited to, general industry outlook,  general market supply
of securities of similar type,  and supply and demand  factors in the securities
markets generally.  Although the weighing of these factors is subjective, IPALCO
gave  relatively  more  weight  to  objective  factors,  such as  yields on U.S.
Treasury and municipal  securities,  yields on comparable preferred  securities,
and current redemption prices of the Series of Preferred.



<PAGE>

         Neither IPALCO,  IPL nor their respective Boards of Directors  received
any report,  opinion or appraisal  from an outside party which is related to the
Offer, including,  but not limited to, any report, opinion or appraisal relating
to the  consideration or the fairness of the  consideration to be offered to the
holders  of the  Shares or the  fairness  of such  Offer to  IPALCO,  IPL or the
unaffiliated  holders of Shares.  Neither Board of Directors nor any director of
IPALCO or IPL has  retained  an  unaffiliated  representative  to act  solely on
behalf of  unaffiliated  holders of Shares for the purposes of  negotiating  the
terms of the Offer or preparing a report  concerning  the fairness of the Offer.
Neither  IPALCO,  IPL nor their  respective  Boards of Directors  believed these
measures were  necessary to ensure  fairness in light of the fact that the Offer
will not result in a liquidation  or change in control in IPALCO,  IPL or any of
their affiliates.

         Certain Effects of the Offer;  Plans of IPALCO and IPL After the Offer.
Following the consummation of the Offer, the business and operations of IPL will
be continued  substantially  as they are currently  being  conducted.  Except as
otherwise  described in this Offer to Purchase and Proxy  Statement,  IPALCO and
IPL have no current  plans or  proposals  that relate to or would result in: (a)
the acquisition by any person of additional securities of IPL or the disposition
of  securities of IPL; (b) an  extraordinary  corporate  transaction,  such as a
merger, reorganization or liquidation, involving IPL or any of its subsidiaries;
(c) a sale or  transfer  of a  material  amount  of  assets of IPL or any of its
subsidiaries;  (d) any change in the present Board or management of IPL; (e) any
material  change in the present  dividend  rate or policy,  or  indebtedness  or
capitalization  of  IPL;  (f) any  other  material  change  in  IPL's  corporate
structure  or  business;  (g) any  change in IPL's  Articles  or  By-laws or any
actions that may impede the  acquisition of control of IPL by any person;  (h) a
class of equity  securities  of IPL being  delisted  from a national  securities
exchange;  (i) a  class  of  equity  securities  of IPL  becoming  eligible  for
termination  of  registration  pursuant to Section  12(g)(4)  of the  Securities
Exchange Act of 1934, as amended (the "Exchange  Act"); or (j) the suspension of
IPL's obligation to file reports pursuant to Section 15(d) of the Exchange Act.

         Following  expiration  of the  Offer,  IPALCO or one of its  affiliates
(including IPL) may determine to purchase  additional Shares on the open market,
in  privately  negotiated  transactions,  through one or more  tender  offers or
otherwise. Any such purchases may be on the same terms as, or on terms which are
more or less  favorable  to  holders  of Shares  than,  the terms of the  Offer.
However,  Rule  13e-4(f)(6)  under the  Exchange  Act  prohibits  IPALCO and its
affiliates  from  purchasing  any  Shares of a Series of  Preferred,  other than
pursuant to the Offer,  until at least ten  business  days after the  Expiration
Date with respect to that Series of Preferred. Any future purchases of Shares by
IPALCO or one of its  affiliates  would depend on many  factors,  including  the
market  price  of  the  Shares,   IPALCO's  business  and  financial   position,
restrictions  on IPALCO's  ability to purchase Shares imposed by law and general
economic and market conditions.

         Preferred  Shareholders  are not under any  obligation  to tender their
Shares pursuant to the Offer. The Offer does not constitute notice of redemption
of any Series of Preferred pursuant to IPL's Articles.  Moreover, the Offer does
not  constitute a waiver by IPL of any option it has to redeem  Shares of any of
its Series of Preferred.  All such Shares remaining  outstanding after the Offer
will continue to be redeemable at the option of IPL at the applicable redemption
price plus accumulated and unpaid dividends to the date of redemption.


<PAGE>

         All the Shares are redeemable at the option of IPL, pursuant to Article
6A,  Section  4(c) of  IPL's  Articles  and the  provisions  of each  Series  of
Preferred's authorizing resolutions, at the following prices per share: $118 for
the 4% Series;  $103 for the 4.20% Series;  $103 for the 4.60% Series;  $101 for
the 4.80% Series;  $102 for the 6% Series;  and $101 for the 8.20% Series,  plus
all accumulated and unpaid dividends thereon to the date of redemption.

         In the event that all of the 8.20%  Shares are not  acquired  by IPALCO
pursuant to the Offer,  IPL intends to redeem all the 8.20%  Shares which remain
outstanding at a redemption price of $101.00 per 8.20% Share pursuant to Article
6A,  Section 4(c) of IPL's  Articles  and the  provisions  of the 8.20%  Series'
authorizing resolutions.

         Upon voluntary liquidation, dissolution or winding up of IPL, owners of
the Shares  would be  entitled  to receive  an amount  equal to the  liquidation
preference  per share ($118 for the 4% Series;  $103 for the 4.20% Series;  $103
for the 4.60%  Series;  $101 for the 4.80% Series;  $102 for the 6% Series;  and
$101 for the 8.20% Series) plus all accumulated and unpaid dividends  thereon to
the date of  payment,  prior to the  payment of any  amounts  to the  holders of
shares of IPL's  common  stock,  without par value (the  "Common  Shares").  The
Shares of each Series of Preferred have no preemptive or conversion rights.

         Shares validly tendered to the Depositary pursuant to the Offer and not
properly and timely withdrawn in accordance with the procedures set forth herein
shall be held until the Expiration  Date (or returned to the extent the Offer is
terminated in accordance herewith). To the extent that the Proposed Amendment is
approved  and the Shares  tendered  are  accepted  for  payment  and paid for in
accordance  with the terms hereof,  IPALCO intends to transfer its Shares to IPL
and, at that time,  it is  expected  that IPL will retire and cancel the Shares.
However,  in the event the  Proposed  Amendment  is not  adopted at the  Special
Meeting, IPALCO may elect, but is not obligated, to waive, subject to applicable
law, such condition. In that case, subsequent to IPALCO's waiver and purchase of
the Shares,  IPL  anticipates,  as promptly as practicable  thereafter,  that it
would call  another  special  meeting of its  shareholders  and solicit  proxies
therefrom for an amendment  substantially similar to the Proposed Amendment.  At
that meeting,  IPALCO would vote any Shares acquired by it pursuant to the Offer
or  otherwise  (together  with its shares of IPL common  stock) in favor of such
amendment,  thereby  maximizing the prospects for the adoption of the amendment.
Therefore,  if the  Proposed  Amendment  (or an  amendment  similar  thereto) is
ultimately  successful,  it is likely  that the Offer will  reduce the number of
Shares of each of the Series of Preferred that might otherwise trade publicly or
become  available for purchase  and/or sale and likely will reduce the number of
owners of  Shares of each of the  Series of  Preferred,  which  could  adversely
affect the  liquidity and market value of the Shares not purchased in the Offer.
There can be no  assurance  that any  trading  market  will exist for the Shares
following  consummation of the Offer. To the extent a market  continues to exist
for the Shares after the Offer,  the Shares may trade at a discount  compared to
present trading  depending on the market for shares with similar  features,  the
performance  of IPL and  other  factors.  There is no  assurance  that an active
market in the Shares will exist and no  assurance  as to the prices at which the
Shares may trade.



<PAGE>

         In addition,  the 4% Series,  6% Series and 8.20% Series are  currently
registered  under Section 12(g) of the Exchange Act.  Registration of the Shares
under the Exchange Act may be terminated  upon the application by IPL to the SEC
if the Shares are neither listed on a national  securities  exchange nor held by
more than 300 holders of record. Termination of registration of the Shares under
the  Exchange  Act would  substantially  reduce the  information  required to be
furnished to Preferred  Shareholders  and could make certain other provisions of
the Exchange Act no longer  applicable to IPL, such as the  requirement  of Rule
13e-3 thereunder with respect to "going private" transactions.

         As of _______,  1997, the ratings of IPL's preferred  stock,  including
each  Series of  Preferred,  by Moody's  Investors  Service,  Inc.  ("Moody's"),
Standard & Poor's Ratings  Services  ("S&P") and Duff & Phelps Credit Rating Co.
("D&P")  were "aa2,"  "A+," and "AA-,"  respectively.  

         Other  Potential  Effects  of  the  Proposed   Amendment  on  Preferred
Shareholders Who Do Not Tender.  If the Proposed  Amendment  becomes  effective,
Preferred Shareholders of Shares that are not tendered and purchased pursuant to
the Offer will no longer be  entitled  to the  benefits  of the Debt  Limitation
Provision,  which will have been deleted by the Proposed Amendment. As discussed
herein,  the Debt Limitation  Provision places  restrictions on IPL's ability to
issue or assume  unsecured  indebtedness.  Although IPL's debt  instruments  may
contain certain  restrictions on IPL's ability to issue or assume debt, any such
restrictions  may be waived or amended by the parties  thereto and the increased
flexibility  afforded IPL by the deletion of the Debt  Limitation  Provision may
permit IPL to take  certain  actions  that may  increase  the credit  risks with
respect to IPL,  adversely  affecting  the market price and credit rating of the
remaining  Shares or otherwise  be  materially  adverse to the  interests of the
remaining Preferred Shareholders.  In addition, to the extent that IPL elects to
issue additional unsecured debt, the remaining Preferred  Shareholders' relative
position in IPL's capital structure could be perceived to decline, which in turn
could  adversely  affect the market  price and  credit  rating of the  remaining
Shares.  See  "Proposed  Amendment  and Proxy  Solicitation  -- Business To Come
Before The Special Meeting."

         NEITHER IPALCO,  IPL, THEIR RESPECTIVE BOARDS OF DIRECTORS,  NOR ANY OF
THEIR RESPECTIVE OFFICERS MAKES ANY RECOMMENDATION TO ANY PREFERRED  SHAREHOLDER
AS TO WHETHER TO TENDER ALL OR ANY SHARES. EACH PREFERRED  SHAREHOLDER MUST MAKE
HIS OR HER OWN  DECISION  AS TO WHETHER TO TENDER HIS OR HER SHARES  AND, IF SO,
HOW MANY SHARES TO TENDER.

Certain Legal Matters; Regulatory Approvals; No Dissenters' Rights



<PAGE>

         Neither  IPALCO  nor IPL  needs to  obtain  approval  from the  Indiana
Utility Regulatory  Commission to undertake the Offer or the proxy solicitation.
IPALCO is not aware of any license or  regulatory  permit that would be material
to  IPALCO's  or IPL's  business  that might be  adversely  affected by IPALCO's
acquisition of Shares as  contemplated  in the Offer or of any other approval or
other action by any  government or  governmental,  administrative  or regulatory
authority  or agency,  domestic or foreign,  that would be required for IPALCO's
acquisition of Shares pursuant to the Offer. Should any approval or other action
be required,  IPALCO currently  contemplates  that it will seek such approval or
other action. IPALCO cannot predict whether it may determine that it is required
to delay the acceptance for payment of, or payment for, Shares tendered pursuant
to the Offer  pending the outcome of any such matter.  There can be no assurance
that any such approval or other action, if needed, would be obtained or would be
obtained without  substantial  conditions or that the failure to obtain any such
approval or other action might not result in adverse consequences to IPALCO's or
IPL's business.  IPALCO intends to make all required  filings under the Exchange
Act. IPALCO's  obligation under the Offer to accept for payment, or make payment
for, Shares is subject to certain conditions. See "Terms of the Offer -- Certain
Conditions of the Offer."

         Except for adoption of the Proposed  Amendment,  which condition can be
waived by IPALCO, no approval of the holders of any Shares or the holders of any
of IPL's other  securities or the holders of IPALCO's  securities is required in
connection with the Offer. See "Proposed Amendment and Proxy Solicitation."

         No dissenters'  rights are available to holders of Shares in connection
with the Offer. See "Proposed Amendment and Proxy Solicitation."

                               TERMS OF THE OFFER

Number Of Shares; Purchase Prices; Expiration Date; Dividends

         Upon the terms and subject to the  conditions  described  herein and in
the applicable Letter of Transmittal and Proxy, IPALCO will purchase any and all
Shares that are validly  tendered on or prior to the applicable  Expiration Date
(and not properly withdrawn in accordance with "Terms of the Offer -- Withdrawal
Rights") at the Purchase Price per Share listed on the front cover of this Offer
to Purchase and Proxy  Statement for the Shares  tendered,  net to the seller in
cash. See "Terms of the Offer -- Certain  Conditions of the Offer" and "Terms of
the Offer -- Extension of Tender Period; Termination; Amendments."

         In the  event  that all the 8.20%  Shares  are not  acquired  by IPALCO
pursuant to the Offer,  IPL intends to redeem all the 8.20%  Shares which remain
outstanding at a redemption price of $101.00 per 8.20% Share pursuant to Article
6A,  Section 4(c) of IPL's  Articles  and the  provisions  of the 8.20%  Series'
authorizing resolutions.



<PAGE>

         THE OFFER FOR A SERIES OF PREFERRED IS NOT CONDITIONED UPON ANY MINIMUM
NUMBER OF SHARES OF SUCH SERIES OF PREFERRED  BEING  TENDERED AND IS INDEPENDENT
OF  THE  OFFER  FOR  ANY  OTHER  SERIES  OF  PREFERRED.  PREFERRED  SHAREHOLDERS
(INCLUDING  PREFERRED  SHAREHOLDERS WHO ACQUIRE SHARES  SUBSEQUENT TO THE RECORD
DATE) WHO WISH TO TENDER THEIR  SHARES  PURSUANT TO THE OFFER MUST VOTE IN FAVOR
OF THE PROPOSED AMENDMENT.  MOREOVER, THE OFFER IS CONDITIONED UPON, AMONG OTHER
THINGS,  THE  PROPOSED  AMENDMENT  BEING  APPROVED  AND  ADOPTED AT THE  SPECIAL
MEETING. SEE "TERMS OF THE OFFER -- CERTAIN CONDITIONS OF THE OFFER."

         The  Offer is being  sent to all  persons  in whose  names  Shares  are
registered on the books of IPL on _________,  1997.  Preferred  Shareholders who
purchase or whose  purchase is registered  after the Record Date and who wish to
tender  their  Shares in the Offer must  arrange with their seller to receive an
assignment  of proxy from the holder of record on the Record  Date.  In order to
facilitate receipt of Proxies,  Shares shall,  during the period which commences
___________,  1997 (two  business  days prior to the Record Date) and which will
end  at  the  close  of  business  on  the   Expiration   Date,   trade  in  the
over-the-counter  market with a proxy providing the transferee with the right to
vote such acquired Shares in the Proxy Solicitation. No record date is fixed for
determining  which persons are  permitted to tender  Shares.  However,  only the
holders  of record,  or holders  who  acquire an  assignment  of proxy from such
holders,  are permitted to vote for the Proposed  Amendment and thereby  validly
tender Shares  pursuant to the Offer.  As such, any person who is the beneficial
owner but not the record  holder of the Shares  must (i)  arrange for the record
transfer of Shares  prior to  tendering  or (ii)  direct  such record  holder to
tender the Shares and vote in favor of the Proposed  Amendment on behalf of such
beneficial owner.

         With respect to each Series of Preferred,  the  Expiration  Date is the
later of 5:00 p.m.,  New York City time, on _________,  _________,  1997, or the
latest time and date to which the Offer with respect to such Series of Preferred
is extended. IPALCO expressly reserves the right, in its sole discretion, and at
any time and/or from time to time, to extend the period of time during which the
Offer for any Series of Preferred is open,  by giving oral or written  notice of
such extension to the  Depositary,  without  extending the period of time during
which the Offer for any other Series of Preferred is open. There is no assurance
whatsoever  that  IPALCO  will  exercise  its right to extend  the Offer for any
Series of Preferred. If IPALCO decides, in its sole discretion,  to decrease the
number of Shares of any  Series of  Preferred  being  sought or to  increase  or
decrease  the  consideration  offered  in the Offer to  holders of any Series of
Preferred  and,  at the time that  notice of such  increase or decrease is first
published,  sent or given to holders of such Series of  Preferred  in the manner
specified herein,  the Offer for such Series of Preferred is scheduled to expire
at any time earlier  than the tenth  business day from the date that such notice
is first so  published,  sent or given,  such Offer will be  extended  until the
expiration  of such  ten-business-day  period.  For  purposes  of the  Offer,  a
"business day" means any day other than a Saturday,  Sunday or federal  holiday,
and consists of the time period from 12:01 a.m. through 12:00 midnight, New York
City time.

         NO ALTERNATIVE,  CONDITIONAL OR CONTINGENT TENDERS WILL BE ACCEPTED AND
NO TENDERS  WILL BE  ACCEPTED  IN RESPECT OF SHARES FOR WHICH A VOTE IN FAVOR OF
THE PROPOSED  AMENDMENT HAS NOT BEEN CAST AT THE SPECIAL MEETING.  SUCH VOTE MAY
BE  CAST  BY  PROPERLY  COMPLETING  THE  FORM  OF  PROXY  THAT  IS A PART OF THE
APPLICABLE  LETTER OF TRANSMITTAL  AND PROXY OR BY VOTING IN PERSON BY BALLOT AT
THE SPECIAL MEETING.

         The October  Dividend  has been  declared on each Series of  Preferred,
payable on October 1, 1997, to Preferred Shareholders of record on September 19,
1997. A tender and purchase of Shares  pursuant to the Offer or a redemption  of
8.20% Shares will not deprive a  shareholder  of his or her right to receive the
October  Dividend on Shares held of record on September 19, 1997,  regardless of
whether  such  shareholder  tenders his or her Shares in the Offer prior to that
date. Tendering shareholders will not be entitled to any dividends in respect of
any later dividend periods,  or any portion thereof.  The payment of the October
Dividend will be made  separately from payments for Shares tendered in the Offer
or redeemed.


<PAGE>

Procedure For Tendering Shares

         Valid Tender.  IN ORDER TO VALIDLY TENDER SHARES PURSUANT TO THE OFFER,
PREFERRED  SHAREHOLDERS  WHO ACQUIRE SHARES DURING THE PERIOD BEGINNING TWO DAYS
PRIOR TO THE RECORD DATE AND UP TO AND INCLUDING THE EXPIRATION DATE MUST OBTAIN
AN  ASSIGNMENT  OF PROXY FROM THE  SELLER OF SUCH  SHARES AND VOTE SUCH PROXY IN
FAVOR OF THE PROPOSED  AMENDMENT.  IN ORDER TO FACILITATE THE TRANSFER OF SHARES
DURING THE PERIOD  DESCRIBED  ABOVE, THE SHARES OF EACH SERIES OF PREFERRED WILL
TRADE "WITH  PROXY" IN THE  OVER-THE-COUNTER  MARKET.  SETTLEMENT  OF ALL TRADES
DURING THE PERIOD DESCRIBED ABOVE SHOULD INCLUDE AN ASSIGNMENT OF PROXY FROM THE
SELLER.

         The Shares will trade, during the period which begins two days prior to
the Record Date and which will end at the close of  business  on the  Expiration
Date,  in the  over-the-counter  market  under the  symbols  "INPOP"  for the 4%
Series,  "INPOO" for the 4.20% Series, "INPOG" for the 4.60% Series, "INDPL" for
the 4.80% Series,  "INPOL" for the 6% Series,  and "INPON" for the 8.20% Series,
indicating  that such Shares are trading "with  proxy." A Preferred  Shareholder
who  acquires  Shares  during  this  period  must  obtain,  or  have  his or her
authorized  representative  obtain, an assignment of proxy (which is included in
the applicable  Letter of Transmittal  and Proxy) at settlement from the seller.
The  National  Association  of  Securities  Dealers,  Inc.  (the "NASD") and the
Depository Trust Company ("DTC") have issued notices informing their members and
participants  that the Shares will trade "with proxy" and that settlement of all
trades during the period  described  above should include an assignment of proxy
from the seller.

         FOR  FURTHER  INFORMATION,  CALL THE  INFORMATION  AGENT OR THE  DEALER
MANAGERS OR CONSULT YOUR BROKER FOR ASSISTANCE.


         Further,  to  tender  his or her  Shares  pursuant  to the  Offer,  the
tendering owner of Shares must either:

         (a) send to the  Depositary  (at one of its  addresses set forth on the
         back cover of this Offer to Purchase  and Proxy  Statement)  a properly
         completed  and duly  executed  Letter  of  Transmittal  and  Proxy,  or
         facsimile  thereof  (which will either  deliver such owner's  proxy  in
         favor of the Proposed  Amendment or indicate such owner's  intention to
         vote in favor of the  Proposed  Amendment  at the  Special  Meeting  in
         person by ballot),  together with any required signature guarantees and
         any other documents required by the Letter of Transmittal and Proxy and
         either (i)  certificates for the Shares to be tendered must be received
         by the  Depositary at one of such addresses or (ii) such Shares must be
         delivered pursuant to the procedures for book-entry  transfer described
         herein (and a  confirmation  of such  delivery  must be received by the
         Depositary), in each case by the Expiration Date; or

         (b) comply with the guaranteed  delivery procedure  described under "--
         Guaranteed Delivery Procedure" below.

         The Depositary  will establish an account with respect to the Shares at
The  Depository  Trust  Company  and   Philadelphia   Depository  Trust  Company
(collectively  referred to as the "Book-Entry Transfer Facilities") for purposes
of the Offer within two  business  days after the date of this Offer to Purchase
and Proxy Statement,  and any financial institution that is a participant in the
system  of any  Book-Entry  Transfer  Facility  may make  delivery  of Shares by
causing  such  Book-Entry  Transfer  Facility to  transfer  such Shares into the
Depositary's  account  in  accordance  with the  procedures  of such  Book-Entry
Transfer  Facility.   Although  delivery  of  Shares  may  be  effected  through
book-entry transfer,  such delivery must be accompanied by either (a) a properly
completed  and duly  executed  Letter of  Transmittal  and Proxy,  or  facsimile
thereof,  together with any required signature guarantees and any other required
documents or (b) an Agent's Message (as  hereinafter  defined) and, in any case,
must be received by the Depositary at one of its addresses set forth on the back
cover of this Offer to Purchase and Proxy Statement by the Expiration  Date. The
confirmation of a book-entry transfer of Shares into the Depositary's account at
a Book-Entry  Transfer  Facility as  described  above is referred to herein as a
"Book-Entry Confirmation."

         The term "Agent's  Message" means a message,  transmitted by one of the
Book-Entry Transfer Facilities, received by the Depositary and forming a part of
the  book-entry  transfer  when a tender is  initiated,  which  states  that the
Book-Entry  Transfer  Facility  has  received an express  acknowledgment  from a
participant tendering Shares that such participant has received and agrees to be
bound by the terms of the Letter of  Transmittal  and Proxy and that  IPALCO may
enforce such agreement against such participant.



<PAGE>

         Signature   Guarantees.   Except  as  otherwise   provided  below,  all
signatures  on a Letter of  Transmittal  and Proxy must be  guaranteed by a firm
that is a member of a registered  national  securities  exchange or the National
Association  of  Securities  Dealers,  Inc.,  or by a  commercial  bank or trust
company  having  an office  or  correspondent  in the  United  States  that is a
participant in an approved  Signature  Guarantee  Medallion Program (each of the
foregoing  being  referred to as an  "Eligible  Institution").  Signatures  on a
Letter of  Transmittal  and Proxy  need not be  guaranteed  if (a) the Letter of
Transmittal  and Proxy is signed by the registered  owner of the Shares tendered
therewith  and such owner has not completed  the box entitled  "Special  Payment
Instructions" or the box entitled "Special Delivery  Instructions" on the Letter
of  Transmittal  and Proxy,  (b) such Shares are  tendered for the account of an
Eligible  Institution or (c) such Letter of Transmittal  and Proxy is being used
solely for the purpose of voting Shares which are not being tendered pursuant to
the Offer. See Instructions 1 and 5 of the Letter of Transmittal and Proxy.

         Guaranteed  Delivery Procedure.  If a Preferred  Shareholder desires to
tender his or her Shares pursuant to the Offer and such Preferred  Shareholder's
certificates  are not  immediately  available or the  procedures  for book-entry
transfer  cannot be  completed  on a timely  basis or time will not  permit  all
required  documents to reach the Depositary  prior to the Expiration  Date, such
Shares may nevertheless be tendered if all of the following  guaranteed delivery
procedures are complied with:

         (a) such tender is made by or through an Eligible Institution;

         (b) a  properly  completed  and  duly  executed  Notice  of  Guaranteed
         Delivery and Proxy,  substantially  in the form  provided by IPALCO and
         IPL herewith,  is received  (with any required  signatures or signature
         guarantees) by the Depositary as provided below prior to the Expiration
         Date; and

         (c) the  certificates  for all  tendered  Shares  in  proper  form  for
         transfer or a  Book-Entry  Confirmation  with  respect to all  tendered
         Shares,  together with a properly completed and duly executed Letter of
         Transmittal and Proxy, or a manually signed facsimile thereof,  and any
         other documents  required by the Letter of Transmittal  and Proxy,  are
         received by the Depositary no later than 5:00 p.m., New York City time,
         within three New York Stock  Exchange  ("NYSE")  trading days after the
         date of execution of such Notice of  Guaranteed  Delivery and Proxy.  A
         NYSE trading day is any day on which the NYSE is open for business.

         THE NOTICE OF GUARANTEED DELIVERY AND PROXY MAY BE DELIVERED BY HAND OR
TRANSMITTED  BY  FACSIMILE  TRANSMISSION  OR MAILED TO THE  DEPOSITARY  AND MUST
INCLUDE AN ENDORSEMENT BY AN ELIGIBLE  INSTITUTION IN THE FORM SET FORTH IN SUCH
NOTICE OF GUARANTEED DELIVERY AND PROXY.

         In all cases,  Shares  shall not be deemed  validly  tendered  unless a
properly  completed  and duly executed  Letter of  Transmittal  and Proxy,  or a
manually signed facsimile thereof, or, if applicable,  a Book-Entry Confirmation
is received by the Depositary  within the  applicable  time limits and a vote in
favor of the  Proposed  Amendment  in respect of the Shares has been cast at the
Special  Meeting in person or by  completion  and  execution of the proxy (which
proxy  must be the  form of proxy  that is a part of the  applicable  Letter  of
Transmittal and Proxy).



<PAGE>

         Notwithstanding any other provision hereof, payment for Shares accepted
for payment  pursuant  to the Offer in all cases will be made only after  timely
receipt by the Depositary of certificates for (or a Book-Entry Confirmation with
respect to) such Shares, a Letter of Transmittal and Proxy, or a manually signed
facsimile  thereof,  properly  completed  and duly  executed,  with any required
signature  guarantees  and  all  other  documents  required  by  the  Letter  of
Transmittal and Proxy. Accordingly, tendering Preferred Shareholders may be paid
at different  times  depending upon when  certificates  for Shares or Book-Entry
Confirmations  are actually  received by the Depositary.  Under no circumstances
will  interest  be paid on the  Purchase  Price for  Shares  tendered  to IPALCO
pursuant to the Offer,  regardless of any extension of the Offer or any delay in
making such payment.

         THE METHOD OF DELIVERY OF SHARES AND ALL OTHER REQUIRED DOCUMENTS IS AT
THE OPTION AND RISK OF THE TENDERING  PREFERRED  SHAREHOLDER.  IF DELIVERY IS BY
MAIL,  REGISTERED  MAIL WITH RETURN  RECEIPT  REQUESTED,  PROPERLY  INSURED,  IS
RECOMMENDED.  BECAUSE IT IS THE TIME OF RECEIPT, NOT THE TIME OF MAILING,  WHICH
DETERMINES  WHETHER  A  TENDER  HAS BEEN  MADE  PRIOR  TO THE  EXPIRATION  DATE,
SUFFICIENT TIME SHOULD BE ALLOWED FOR DELIVERY.

         Backup  Withholding.  To avoid  federal  income tax backup  withholding
equal to 31% of the gross  payments made pursuant to the Offer,  each  tendering
Preferred Shareholder must notify the Depositary of such Preferred Shareholder's
correct taxpayer  identification number and provide certain other information by
properly completing and executing the Substitute Form W-9 included in the Letter
of Transmittal and Proxy. Foreign Preferred  Shareholders must submit a properly
completed  Form  W-8 in  order  to  avoid  the  applicable  backup  withholding;
provided,   however,   that  backup   withholding  will  not  apply  to  foreign
stockholders subject to 30% (or lower treaty rate) withholding on gross payments
received pursuant to the Offer. See "Certain Federal Income Tax Consequences."

         EACH PREFERRED  SHAREHOLDER IS URGED TO CONSULT WITH HIS OR HER OWN TAX
ADVISOR REGARDING THE TAX CONSEQUENCES OF THE OFFER.

         Determinations  of Validity.  All questions as to the form of documents
and the validity, eligibility (including the time of receipt) and acceptance for
payment  of any  tender of Shares  will be  determined  by  IPALCO,  in its sole
discretion, and its determination will be final and binding. IPALCO reserves the
absolute right to reject any or all tenders of Shares that (a) it determines are
not in proper form or (b) the  acceptance  for payment of, or payment for which,
may, in the opinion of IPALCO's counsel,  be unlawful.  IPALCO also reserves the
absolute right to waive any defect or irregularity in any tender of Shares. None
of IPALCO,  IPL, the Dealer Managers,  the Depositary,  the Information Agent or
any  other  person  will be  under  any duty to give  notice  of any  defect  or
irregularity  in tenders,  nor shall any of them incur any liability for failure
to give any such notice.

Withdrawal Rights

         ANY SHARES FOR WHICH A VOTE IN FAVOR OF THE PROPOSED  AMENDMENT WAS NOT
VALIDLY  CAST AT THE SPECIAL  MEETING WILL BE DEEMED  WITHDRAWN  AND NOT VALIDLY
TENDERED BY THE APPLICABLE PREFERRED SHAREHOLDER.

         Tenders of Shares made  pursuant to the Offer may be  withdrawn  at any
time prior to the Expiration  Date.  Thereafter,  such tenders are  irrevocable,
except  that they may be  withdrawn  after  _______,  __________,  1997,  unless
theretofore accepted for payment as provided in this Offer to Purchase and Proxy
Statement.

         The proxy  accompanying any tendered Shares that are withdrawn will not
be considered revoked unless the Preferred Shareholder specifically revokes such
proxy as described  herein.  See "Proposed  Amendment and Proxy  Solicitation  -
Proxies."



<PAGE>

         To  be  effective,  a  written  or  facsimile  transmission  notice  of
withdrawal must be timely  received by the  Depositary,  at one of its addresses
set forth on the back cover of this Offer to Purchase and Proxy  Statement,  and
must specify the name of the person who tendered the Shares to be withdrawn  and
the number of Shares to be  withdrawn.  If the Shares to be withdrawn  have been
delivered to the  Depositary,  a signed  notice of  withdrawal  with  signatures
guaranteed by an Eligible  Institution (except in the case of Shares tendered by
an Eligible  Institution) must be submitted prior to the release of such Shares.
In  addition,  such  notice  must  specify,  in the case of Shares  tendered  by
delivery of  certificates,  the name of the registered  owner (if different from
that of the tendering Preferred Shareholder) and the serial numbers shown on the
particular certificates evidencing the Shares to be withdrawn or, in the case of
Shares  tendered by book-entry  transfer,  the name and number of the account at
one of the  Book-Entry  Transfer  Facilities  to be credited  with the withdrawn
Shares and the name of the registered holder (if different from the name of such
account). Withdrawals may not be rescinded, and Shares withdrawn will thereafter
be deemed not validly  tendered  for purposes of the Offer.  However,  withdrawn
Shares may be re-tendered by again following one of the procedures  described in
"Terms of the Offer -- Procedure for Tendering  Shares" at any time prior to the
Expiration Date.

         All questions as to the form and validity  (including  time of receipt)
of any  notice  of  withdrawal  will  be  determined  by  IPALCO,  in  its  sole
discretion,  and its  determination  will be final and binding.  None of IPALCO,
IPL, the Dealer  Managers,  the Depositary,  the Information  Agent or any other
person will be under any duty to give notification of any defect or irregularity
in any notice of  withdrawal or will incur any liability for failure to give any
such notification.

Acceptance Of Shares For Payment And Payment Of Purchase Price

         Upon the terms and  subject  to the  conditions  of the  Offer,  and as
promptly  as  practicable  after the  Expiration  Date,  IPALCO  will accept for
payment  (and  thereby  purchase)  and pay for Shares  validly  tendered and not
withdrawn  as  permitted  in "Terms of the Offer --  Withdrawal  Rights." In all
cases,  payment for Shares  accepted  for payment  pursuant to the Offer will be
made promptly but only after timely  receipt by the  Depositary of  certificates
for such Shares (or of a Book-Entry Confirmation), a properly completed and duly
executed  Letter of Transmittal  and Proxy (or facsimile  thereof) and any other
required documents. Accordingly, tendering Preferred Shareholders may be paid at
different  times  depending  upon when  certificates  for  Shares or  Book-Entry
Confirmations are actually received by the Depositary.

         For purposes of the Offer,  IPALCO will be deemed to have  accepted for
payment  (and  thereby  purchased)  Shares  that are  validly  tendered  and not
withdrawn as, if and when it gives oral or written  notice to the  Depositary of
its  acceptance  for payment of such Shares.  IPALCO will pay for Shares that it
has purchased  pursuant to the Offer by depositing  the Purchase  Price therefor
with  the  Depositary,   which  will  act  as  agent  for  tendering   Preferred
Shareholders  for the purpose of receiving  payment from IPALCO and transmitting
payment  to  tendering  Preferred  Shareholders.  UNDER  NO  CIRCUMSTANCES  WILL
INTEREST  BE PAID ON AMOUNTS  TO BE PAID TO  TENDERING  PREFERRED  SHAREHOLDERS,
REGARDLESS OF ANY EXTENSION OF THE OFFER OR DELAY IN MAKING SUCH PAYMENT.



<PAGE>

         Certificates  for all Shares not validly  tendered will be returned or,
in the case of Shares  tendered  by  book-entry  transfer,  such  Shares will be
credited  to an account  maintained  with a  Book-Entry  Transfer  Facility,  as
promptly as practicable, without expense to the tendering Preferred Shareholder.

         If certain events occur, IPALCO may not be obligated to purchase Shares
pursuant  to the Offer.  See "Terms of the Offer --  Certain  Conditions  of the
Offer."

         IPALCO  will  pay or cause to be paid any  stock  transfer  taxes  with
respect to the sale and  transfer  of any Shares to it or its order  pursuant to
the  Offer.  If,  however,  payment of the  Purchase  Price is to be made to any
person other than the registered  owner, or if tendered Shares are registered in
the name of any person other than the person  signing the Letter of  Transmittal
and  Proxy,  the  amount of any stock  transfer  taxes  (whether  imposed on the
registered  owner,  such other  person or  otherwise)  payable on account of the
transfer  to such  person  will be  deducted  from  the  Purchase  Price  unless
satisfactory  evidence of the payment of such taxes, or exemption therefrom,  is
submitted.  Each Preferred Shareholder will be responsible for paying any income
or gross receipts taxes imposed by any jurisdiction by reason of the sale of the
Shares and/or the Special Cash Payment (as described herein).  See Instruction 6
of the  accompanying  Letter  of  Transmittal  and  Proxy.  See  also  "Proposed
Amendment and Proxy  Solicitation -- Special Cash Payment" and "Certain  Federal
Income Tax Consequences."

Certain Conditions Of The Offer

         IPALCO WILL NOT BE REQUIRED TO ACCEPT FOR PAYMENT OR PAY FOR ANY SHARES
TENDERED IF THE  PROPOSED  AMENDMENT  IS NOT APPROVED AND ADOPTED AT THE SPECIAL
MEETING.  IN ORDER TO TENDER THEIR  SHARES,  PREFERRED  SHAREHOLDERS  (INCLUDING
PREFERRED  SHAREHOLDERS  WHO ACQUIRE SHARES  SUBSEQUENT TO THE RECORD DATE) MUST
SUBMIT A DULY  COMPLETED,  VALID AND UNREVOKED  PROXY  INDICATING  THEIR VOTE IN
FAVOR OF THE  PROPOSED  AMENDMENT  OR INDICATE IN THE  ACCOMPANYING  PROXY THEIR
INTENTION TO VOTE FOR THE PROPOSED  AMENDMENT AT THE SPECIAL MEETING.  PREFERRED
SHAREHOLDERS  HAVE THE RIGHT TO VOTE ON THE  PROPOSED  AMENDMENT  REGARDLESS  OF
WHETHER  THEY TENDER THEIR  SHARES.  ANY SHARES FOR WHICH A VOTE IN FAVOR OF THE
PROPOSED  AMENDMENT  WAS NOT VALIDLY CAST AT THE SPECIAL  MEETING WILL BE DEEMED
WITHDRAWN AND NOT VALIDLY TENDERED BY THE APPLICABLE PREFERRED  SHAREHOLDER.  IF
THE PROPOSED  AMENDMENT  IS APPROVED  AND ADOPTED,  IPL WILL MAKE A SPECIAL CASH
PAYMENT,  AS DESCRIBED HEREIN, TO EACH PREFERRED  SHAREHOLDER WHO VOTED IN FAVOR
OF THE  PROPOSED  AMENDMENT,  PROVIDED  THAT SUCH SHARES HAVE NOT BEEN  TENDERED
PURSUANT TO THE OFFER.  PREFERRED SHAREHOLDERS WHO TENDER THEIR SHARES WILL ONLY
BE ENTITLED TO THE  PURCHASE  PRICE PER SHARE  LISTED ON THE FRONT COVER OF THIS
OFFER TO PURCHASE AND PROXY STATEMENT.

         Notwithstanding  any other  provision of the Offer,  IPALCO will not be
required to accept for payment or pay for any Shares tendered, and may terminate
or amend the Offer or may postpone  (subject to the requirements of the Exchange
Act for prompt payment for, or return of, Shares) the acceptance for payment of,
or payment for, Shares tendered,  if at any time after __________,  1997, and at
or before  acceptance  for  payment of or  payment  for any  Shares,  any of the
following shall have occurred (which shall not have been waived by IPALCO):



<PAGE>

         (a) there shall have been threatened,  instituted or pending any action
         or  proceeding  by  any  government  or  governmental,   regulatory  or
         administrative  agency,  authority  or  tribunal  or any other  person,
         domestic or foreign, or before any court, authority, agency or tribunal
         that (i) challenges the  acquisition of Shares pursuant to the Offer or
         otherwise  in any manner  relates to or affects the Offer or (ii) could
         materially and adversely affect the business,  condition  (financial or
         otherwise),   income,   operations  or  prospects  of  IPALCO  and  its
         subsidiaries  taken as a whole, or otherwise  materially  impair in any
         way the contemplated future conduct of the business of IPALCO or any of
         its subsidiaries or materially impair the Offer's contemplated benefits
         to IPALCO;

         (b) there shall have been any action  threatened,  pending or taken, or
         approval withheld, or any statute, rule, regulation, judgment, order or
         injunction threatened, proposed, sought, promulgated, enacted, entered,
         amended,  enforced or deemed to be applicable to the Offer or IPALCO or
         any of its subsidiaries,  by any legislative  body,  court,  authority,
         agency or tribunal that would or might  directly or indirectly (i) make
         the  acceptance  for  payment  of, or payment  for,  some or all of the
         Shares illegal or otherwise  restrict or prohibit  consummation  of the
         Offer,  (ii) delay or restrict the ability of IPALCO,  or render IPALCO
         unable,  to accept for  payment  or pay for some or all of the  Shares,
         (iii)  materially  impair  the  contemplated  benefits  of the Offer to
         IPALCO or (iv) materially affect the business,  condition (financial or
         otherwise),   income,   operations  or  prospects  of  IPALCO  and  its
         subsidiaries  taken as a whole, or otherwise  materially  impair in any
         way the contemplated future conduct of the business of IPALCO or any of
         its subsidiaries;

         (c) there  shall have  occurred  (i) any  significant  decrease  in the
         market  price of the  Shares or any  change in the  general  political,
         market, economic or financial conditions in the United States or abroad
         that could have a material  adverse  effect on  IPALCO's  or any of its
         subsidiaries'  business,  operations,  prospects  or  ability to obtain
         financing  generally or the trading in the other equity  securities  of
         IPALCO or any of its  subsidiaries,  (ii) the  declaration of a banking
         moratorium  or any  suspension  of  payments in respect of banks in the
         United States or any  limitation on, or any event that might affect the
         extension of credit by lending institutions in the United States, (iii)
         the  commencement of war, armed  hostilities or other  international or
         national calamity  directly or indirectly  involving the United States,
         (iv) any general suspension of trading in, or limitation on prices for,
         securities   on   any   national   securities   exchange   or  in   the
         over-the-counter  market,  (v) in  the  case  of  any of the  foregoing
         existing  at the time of the  commencement  of the  Offer,  a  material
         acceleration  or  worsening  thereof,  (vi) a decline in the ratings of
         IPL's preferred stock, or any Series of Preferred,  by Moody's,  S&P or
         D&P measured  from the close of business on  _________,  1997, or (vii)
         any decline in either the Dow Jones Industrial  Average or the Standard
         and  Poor's  Composite  500  Stock  Index by an amount in excess of 15%
         measured from the close of business on _________, 1997;



<PAGE>

         (d) any tender or  exchange  offer  with  respect to some or all of the
         Shares  (other  than the  Offer),  or a  merger,  acquisition  or other
         business  combination  proposal for IPALCO or any of its  subsidiaries,
         shall have been proposed, announced or made by any person or entity; or

         (e) there shall have  occurred any event or events that have  resulted,
         or may  result,  in an actual  or  threatened  change in the  business,
         condition (financial or otherwise), income, operations, stock ownership
         or prospects of IPALCO or its subsidiaries;

and, in the sole judgment of IPALCO, such event or events make it undesirable or
inadvisable  to proceed  with the Offer or with such  acceptance  for payment or
payment.

         The foregoing  conditions  (including  the condition  that the Proposed
Amendment  be  approved  and adopted at the  Special  Meeting)  are for the sole
benefit of IPALCO and may be asserted by IPALCO  regardless of the circumstances
(including any action or inaction by IPALCO) giving rise to any such  condition,
and any such condition  (including the condition related to the requirement that
Preferred  Shareholders  tendering  their  Shares vote in favor of the  Proposed
Amendment at the Special Meeting) may be waived by IPALCO,  in whole or in part,
at any time and from time to time in its sole discretion.  The failure by IPALCO
at any time to exercise any of the foregoing rights shall not be deemed a waiver
of any such right and each such right shall be deemed an ongoing right which may
be  asserted  at any time and from  time to time.  Any  determination  by IPALCO
concerning the events described above will be final and binding on all parties.

Extension Of Tender Period; Termination; Amendments

         IPALCO expressly reserves the right, in its sole discretion, and at any
time  and/or from time to time,  to extend the period of time  during  which the
Offer for any Series of  Preferred  is open by giving oral or written  notice of
such extension to the  Depositary,  without  extending the period of time during
which  the Offer for any other  Series  of  Preferred  is open.  There can be no
assurance,  however, that IPALCO will exercise its right to extend the Offer for
any Series of Preferred.  During any such  extension,  all Shares of the subject
Series of Preferred previously tendered will remain subject to the Offer, except
to the extent  that such Shares may be  withdrawn  as set forth in "Terms of the
Offer -- Withdrawal  Rights."  IPALCO also expressly  reserves the right, in its
sole  discretion,  to terminate  the Offer and not accept for payment or pay for
any Shares tendered,  subject to Rule  13e-4(f)(5)  under the Exchange Act which
requires IPALCO either to pay the consideration  offered or to return the Shares
tendered  promptly after the  termination  or withdrawal of the Offer,  upon the
occurrence of any of the conditions  specified in "Terms of the Offer -- Certain
Conditions of the Offer" by giving oral or written notice of such termination to
the Depositary, and making a public announcement thereof.



<PAGE>

         Subject to compliance with applicable law, IPALCO further  reserves the
right, in its sole discretion, to amend the Offer in any respect.  Amendments to
the Offer may be made at any time  and/or from time to time and will be effected
by public announcement thereof, such announcement,  in the case of an extension,
to be issued no later than 9:00 a.m.,  New York City time,  on the next business
day after the previously scheduled Expiration Date. Any public announcement made
pursuant to the Offer will be  disseminated  promptly to Preferred  Shareholders
affected  thereby  in a manner  reasonably  designed  to inform  such  Preferred
Shareholders  of such  change.  Without  limiting the manner in which IPALCO may
choose to make a public  announcement,  except as  required by  applicable  law,
IPALCO shall have no obligation to publish,  advertise or otherwise  communicate
any such  public  announcement  other  than by making a release to the Dow Jones
News Service.

         If IPALCO materially  changes the terms of the Offer or the information
concerning the Offer, or if it waives a material condition of the Offer,  IPALCO
will  extend  the  Offer  to  the  extent  required  by  Rules  13e-4(d)(2)  and
13e-4(e)(2)  under the Exchange Act. Those rules require that the minimum period
during which an offer must remain open following  material  changes in the terms
of the offer or  information  concerning the offer (other than a change in price
or change in  percentage  of  securities  sought)  will  depend on the facts and
circumstances,  including the relative materiality of such terms or information.
The SEC has stated that,  in its view, an offer should remain open for a minimum
of five business  days from the date that a notice of such a material  change is
first published,  sent or given. If the Offer is scheduled to expire at any time
earlier than the  expiration of a period ending on the tenth  business day from,
and  including,  the date that  IPALCO  publishes,  sends or gives to  Preferred
Shareholders  a notice that it will (a)  increase or decrease  the price it will
pay for Shares or (b) decrease the percentage of Shares it seeks, the Offer will
be extended until the expiration of such period of ten business days.

                    PROPOSED AMENDMENT AND PROXY SOLICITATION

Introduction

         This Offer to Purchase and Proxy  Statement is first being mailed on or
about  _________,  1997 to the Preferred  Shareholders of IPL in connection with
the  solicitation  of proxies by the Board of Directors of IPL (the "Board") for
use at the Special Meeting. At the Special Meeting, the shareholders of IPL will
vote upon the Proposed Amendment to the Articles.

         Preferred  Shareholders who wish to tender their Shares pursuant to the
Offer  must vote in favor of the  Proposed  Amendment  in person by ballot or by
proxy at the Special Meeting. However,  Preferred Shareholders have the right to
vote for the Proposed Amendment  regardless of whether they tender their Shares.
The Offer is conditioned upon the Proposed  Amendment being approved and adopted
at the Special  Meeting.  If the  Proposed  Amendment is approved and adopted by
IPL's shareholders,  IPL will make a special cash payment in the amount of $1.00
per Share (the "Special Cash Payment") to each Preferred  Shareholder  who voted
in favor of the  Proposed  Amendment,  provided  that such  Shares have not been
tendered  pursuant to the Offer.  If a Preferred  Shareholder  votes against the
Proposed Amendment or abstains, such Preferred Shareholder shall not be entitled
to the Special Cash  Payment  (regardless  of whether the Proposed  Amendment is
approved and adopted). Regardless of their vote on the Proposed Amendment, those
Preferred  Shareholders who validly tender their Shares will be entitled only to
the Purchase Price per Share listed on the front cover of this Offer to Purchase
and Proxy Statement. See "-- Special Cash Payment."



<PAGE>

Voting Securities, Rights And Procedures

         Only  holders  of record  of IPL's  voting  securities  at the close of
business on ________,  1997 (the "Record  Date"),  or persons  obtaining a proxy
from the  holders  of record on the Record  Date,  will be  entitled  to vote in
person or by proxy at the Special Meeting.  The outstanding voting securities of
IPL are divided into two classes:  common stock and cumulative  preferred stock.
The class of  cumulative  preferred  stock has been  issued in the six Series of
Preferred.  In voting for  consideration of the Proposed  Amendment,  the Shares
will vote  together as one class and the Common Shares will vote together as one
class.  The shares  outstanding as of the Record Date which are entitled to vote
on the Proposed Amendment,  and the number of votes per share each such share is
entitled to with respect to the Proposed Amendment, are as follows:

                                        Number of             Votes per
Class....                         Outstanding Shares             Share
- -----                             ------------------             -----
Common Stock, no par value             17,206,630                   1
Cumulative Preferred Stock,
    $100 par value per share              518,985                   1

         Adoption of the Proposed Amendment requires the affirmative vote of the
holders of (i) a majority of the  outstanding  Common Shares and (ii) two-thirds
of the  outstanding  Shares,  with each of the Common  Shares and Shares  voting
separately as a class. Proxies representing Shares held on the Record Date which
are returned duly executed will be voted, unless otherwise  specified,  in favor
of the Proposed  Amendment to IPL's Articles.  Abstentions and broker  non-votes
will  have the  effect  of a vote  against  the  Proposed  Amendment  since  the
affirmative  vote of a majority of the outstanding  Common Shares and two-thirds
of the  outstanding  Shares is required for approval of the Proposed  Amendment.
IPALCO,  WHICH HOLDS ALL THE OUTSTANDING  COMMON SHARES, HAS ADVISED IPL THAT IT
INTENDS TO VOTE ALL OF THE  OUTSTANDING  COMMON  SHARES IN FAVOR OF THE PROPOSED
AMENDMENT.

         Votes at the Special  Meeting  will be tabulated  preliminarily  by the
Depositary.  Inspectors of Election,  duly appointed by the presiding officer of
the  Special  Meeting,  will  definitively  count  and  tabulate  the  votes and
determine  and  announce  the  results  at  the  Special  Meeting.  IPL  has  no
established  procedure for confidential  voting. THERE ARE NO DISSENTERS' RIGHTS
IN CONNECTION WITH THE PROPOSED AMENDMENT.

<PAGE>

Proxies

         THE ENCLOSED PROXY, WHICH IS CONTAINED WITHIN THE LETTER OF TRANSMITTAL
AND PROXY (AND THE NOTICE OF  GUARANTEED  DELIVERY  AND PROXY),  IS SOLICITED BY
IPL'S BOARD OF DIRECTORS,  WHICH RECOMMENDS  VOTING FOR THE PROPOSED  AMENDMENT.
IPALCO HAS  INDICATED  ITS INTENT TO VOTE ALL THE  OUTSTANDING  COMMON SHARES IN
ACCORDANCE WITH THE BOARD'S  RECOMMENDATION.  Preferred  Shareholders  tendering
their  Shares  pursuant to the Offer and voting at the Special  Meeting by proxy
must use the proxy that is a part of the applicable  Letter of  Transmittal  and
Proxy.  Shares  represented by properly executed proxies received at or prior to
the Special Meeting will be voted in accordance with the  instructions  thereon.
If no  instructions  are  indicated,  duly  executed  proxies  will be  voted in
accordance with the  recommendation of the Board. It is not anticipated that any
other matters will be brought before the Special Meeting.  However, the enclosed
proxy gives  discretionary  authority to the proxy holders named therein  should
any other matters be presented at the Special  Meeting,  and it is the intention
of the proxy holders to act on any other  matters in accordance  with their best
judgment.

         Execution of a proxy will not prevent a shareholder  from attending the
Special Meeting and voting in person.  Any shareholder giving a proxy may revoke
it at any time  before it is voted by (a)  delivering  to the  Secretary  of IPL
written  notice of  revocation  bearing  a later  date  than the  proxy,  (b) by
delivering  a duly  executed  proxy  bearing a later  date,  or (c) by voting in
person by ballot at the Special Meeting.  WITHDRAWAL OF SHARES TENDERED PURSUANT
TO THE OFFER WILL NOT REVOKE A PROPERLY EXECUTED PROXY.

         IPL will bear the cost of the solicitation of proxies by its Board. IPL
has engaged D. F. King & Co.,  Inc.  (the  "Information  Agent") to assist it in
connection  with  the  solicitation  of  proxies  for a fee  of  $________  plus
reimbursement of reasonable out-of-pocket expenses. Proxies will be solicited by
mail,  telephone or other electronic means. In addition,  officers and employees
of IPL may also solicit  proxies  personally or by telephone;  such persons will
receive no additional compensation for these services. The Information Agent has
not been retained to make, and will not make,  solicitations or  recommendations
in connection  with the Proposed  Amendment.  The Dealer  Managers have not been
retained to act in any capacity in connection with the solicitation of proxies.

         IPL has requested that brokerage houses and other custodians,  nominees
and  fiduciaries  forward  solicitation  materials to the  beneficial  owners of
Shares of IPL's  Series of  Preferred  held of record by such  persons  and will
reimburse such brokers and other fiduciaries for their reasonable  out-of-pocket
expenses incurred in connection therewith.


<PAGE>

Special Cash Payments

         Subject to the terms and conditions set forth in this Offer to Purchase
and Proxy  Statement,  if (but only if) the  Proposed  Amendment is approved and
adopted by the shareholders of IPL, IPL will make a Special Cash Payment to each
Preferred Shareholder who voted in favor of the Proposed Amendment, in person by
ballot or by proxy, at the Special Meeting in the amount of $1.00 for each Share
held by such  Preferred  Shareholder  on the  Record  Date  which  is so  voted,
provided that such Shares have not been tendered pursuant to the Offer.  SPECIAL
CASH PAYMENTS WILL BE MADE TO PREFERRED  SHAREHOLDERS  AS OF THE RECORD DATE (IF
SUCH  SHARES  HAVE NOT BEEN  TENDERED  PURSUANT TO THE OFFER) ONLY IN RESPECT OF
EACH SHARE WHICH IS VOTED FOR THE ADOPTION OF THE PROPOSED AMENDMENT;  PROVIDED,
HOWEVER, THAT THOSE PREFERRED  SHAREHOLDERS WHO VALIDLY TENDER THEIR SHARES WILL
BE ENTITLED  ONLY TO THE  PURCHASE  PRICE PER SHARE LISTED ON THE FRONT COVER OF
THIS  OFFER TO  PURCHASE  AND PROXY  STATEMENT.  If the  Proposed  Amendment  is
approved and adopted,  Special Cash  Payments  will be paid out of IPL's general
funds  at  hand,  promptly  after  the  Proposed  Amendment  shall  have  become
effective,  or as soon  thereafter as is  reasonably  practicable.  However,  no
interest will accrue or be paid on the Special Cash  Payments  regardless of any
delay in making such payments.

         Only  Preferred  Shareholders  on  the  Record  Date  (or  their  legal
representatives  or  attorneys-in-fact)  are  entitled  to vote  at the  Special
Meeting and to receive Special Cash Payments from IPL. Any beneficial  holder of
Shares who is not the registered holder of such Shares as of the Record Date (as
would be the case for any  beneficial  owner whose Shares are  registered in the
name of such holder's  broker,  dealer,  commercial bank, trust company or other
nominee)  must  arrange  with the record  Preferred  Shareholder  to execute and
deliver a proxy form on such beneficial  owner's behalf.  If a beneficial holder
of Shares  intends  to attend  the  Special  Meeting  and vote in  person,  such
beneficial holder must obtain a legal proxy form from his or her broker, dealer,
commercial bank, trust company or other nominee.

         To avoid  federal  income  tax backup  withholding  equal to 31% of the
Special  Cash  Payment,  each  Preferred  Shareholder  voting "FOR" the Proposed
Amendment  must notify the Depositary of such  Preferred  Shareholder's  correct
taxpayer identification number and provide certain other information by properly
completing  and  executing  the  Substitute  Form W-9  included in the Letter of
Transmittal and Proxy.  Foreign  Preferred  Shareholders  must submit a properly
completed  Form  W-8 in  order  to  avoid  the  applicable  backup  withholding;
provided,   however,   that  backup   withholding  will  not  apply  to  foreign
stockholders  subject to 30% (or lower treaty rate)  withholding on Special Cash
Payments. See "Certain Federal Income Tax Consequences."

Security Ownership Of Certain Beneficial Owners And Management

         As noted above,  IPALCO owns all the outstanding  Common Shares of IPL.
Pursuant to Section 13(d) of the Exchange Act, a beneficial  owner of a security
is any person who  directly or  indirectly  has or shares  voting or  investment
power over such security. No person or group is known by management of IPL to be
the beneficial owner of more than 5% of IPL's Shares as of the Record Date. None
of IPALCO's or IPL's  directors  and  executive  officers  beneficially  own any
Shares as of the Record Date.



<PAGE>
         On  _________,  1997,  the  following  named  directors  and  executive
officers of IPALCO and its  subsidiaries,  including IPL,  individually and as a
group, beneficially owned equity securities of IPALCO as follows:

<TABLE>
<CAPTION>
       Names of                                        Amount and Nature                  Percent
Beneficial Owner                Title of Class         Of Beneficial Ownership (1)      of Class (2)
- ----------------                --------------      ------------------------------      ------------
<S>                            <C>                    <C>                                 <C>
Joseph D. Barnette, Jr.         Common Stock           16,000 shares    (3)
Roberts A. Borns                Common Stock           44,409 shares    (3)
John R. Brehm                   Common Stock           72,674 shares    (4)
Mitchell E. Daniels, Jr.        Common Stock           18,300 shares    (3)
Rexford C. Early                Common Stock           11,642 shares    (3)
Otto N. Frenzel III             Common Stock           31,200 shares    (3)
Max L. Gibson                   Common Stock           11,100 shares
Earl B. Herr, Jr.               Common Stock           13,860 shares
John R. Hodowal                 Common Stock           247,510 shares   (4)
Ramon L. Humke                  Common Stock           174,533 shares   (4)
Sam H. Jones                    Common Stock           18,360 shares    (3)
Andre B. Lacy                   Common Stock           37,806 shares    (5)
L. Ben Lytle                    Common Stock           12,748 shares
Michael S. Maurer               Common Stock           11,072 shares
Andrew J. Paine, Jr.            Common Stock           0 shares
Sallie W. Rowland               Common Stock           19,244 shares    (3)
Thomas H. Sams                  Common Stock           23,001 shares    (3), (6)
Bryan G. Tabler                 Common Stock           15,199 shares    (3), (4)
Gerald D. Waltz                 Common Stock           105,056 shares   (4)
Other Executive Officers        Common Stock           276,300 shares   (1), (4)

All 26 directors, nominees,
   and executive officers,
   as a group                   Common Stock           1,174,421 shares (3), (4)           2.06%
</TABLE>
- -------------

(1)      Except as  otherwise  noted  below,  each person named in the table has
         sole voting and  investment  power with respect to all shares of common
         stock  listed  as  owned  by such  person.  Shares  beneficially  owned
         included   shares  that  may  be  acquired   pursuant  to  exercise  of
         outstanding options that are exercisable within 60 days as follows: Mr.
         Barnette-9,000; Mr. Borns-12,000; Mr. Brehm-52,500; Mr. Daniels-18,000,
         Mr. Early-6,000; Mr. Frenzel-18,000; Mr. Gibson-6,000; Dr. Herr-12,000;
         Mr.   Hodowal-180,000;   Mr.  Humke-105,000;   Mr.  Jones-18,000;   Mr.
         Lacy-18,000; Mr. Lytle-12,000;  Mr. Maurer-9,000;  Mrs. Rowland-18,000;
         Mr. Sams-18,000;  Mr. Waltz-55,320;  other executive  officers-201,750;
         directors and executive officers as a group-780,570.

(2)      Percentages  less than 1% of total  common  stock  outstanding  are not
         indicated.

(3)      Includes  43,547 shares owned by or with family  members  sharing their
         home  and  shares  held in  trust or  other  arrangements  with  family
         members.

(4)      Includes vested and contingent interests in shares of common stock held
         by the  Trustee  in a Thrift  Plan  (stated  in whole  shares)  of: Mr.
         Brehm-13,522; Mr. Hodowal-29,645;  Mr. Humke-7,618; Mr. Tabler-901; Mr.
         Waltz-36,160;  other  executive  officers-57,624;   and  all  executive
         officers as a group-145,470.

(5)      Includes 12,000 shares owned by LDI, Ltd. and 2,700 shares owned by the
         Lacy  Foundation  of  which  Mr.  Lacy  is a  partner  and a  director,
         respectively,  and 600 shares  representing  his vested  interest  in a
         self-employment  retirement  plan,  totaling  15,300 shares,  11,700 of
         which he disclaims beneficial ownership.

(6)      Mr. Sams  disclaims  beneficial  ownership of 1,500 shares of the total
         shares shown opposite his name.



<PAGE>

Business To Come Before The Special Meeting

         The following  Proposed Amendment to IPL's Articles is the only item of
business expected to be presented at the Special Meeting:

         To remove in its entirety  ARTICLE 6A, Section 4(g), which limits IPL's
         ability  to  issue  unsecured   indebtedness   (the  "Debt   Limitation
         Provision").

Explanation Of The Proposed Amendment

         Without the  consent of the  holders of a majority  of the  outstanding
Shares,  the  Articles  currently  prohibit the  issuance or  assumption  of any
unsecured  notes,   debentures  or  other  securities   representing   unsecured
indebtedness  (other than for the  purpose of  refunding  outstanding  unsecured
indebtedness or for the redemption or retirement of all outstanding  Shares) if,
immediately after such issuance or assumption,  the total outstanding  principal
amount  of all  securities  representing  unsecured  debt  (including  unsecured
securities  then to be issued or assumed)  would exceed 20% of the  aggregate of
(1) the total principal amount of all outstanding secured debt issued or assumed
by IPL at the  time of such  issuance  or  assumption  and (2) the  capital  and
surplus of IPL as then stated on IPL's books of account. The Proposed Amendment,
if adopted,  would  eliminate in its entirety  ARTICLE 6A,  Section 4(g), as set
forth below, from the Articles:

         Limitation  Upon  Issuance of  Unsecured  Indebtedness.  So long as any
         shares of  Preferred  Stock are  outstanding,  the  Company  shall not,
         without  the  consent  (given  by vote at a  meeting  called  for  that
         purpose) of the holders of a majority of the total  number of shares of
         the  Preferred  Stock  then  outstanding,  issue any  unsecured  notes,
         debentures or other securities representing unsecured indebtedness,  or
         assume  any such  unsecured  securities,  for  purposes  other than the
         refunding of outstanding  unsecured  securities  theretofore  issued or
         assumed by the Company or the  redemption  or other  retirement  of all
         outstanding  shares of the Preferred Stock, if,  immediately after such
         issue or assumption, the total principal amount of all unsecured notes,
         debentures  or other  securities  representing  unsecured  indebtedness
         issued or assumed by the Company and then  outstanding  (including  the
         unsecured  securities then to be issued or assumed) would exceed twenty
         per centum (20%) of the aggregate of (i) the total principal  amount of
         all bonds or other securities  representing secured indebtedness issued
         or  assumed by the  Company,  and then to be  outstanding  and (ii) the
         capital and surplus of the Company as then to be stated on the books of
         account of the Company.


<PAGE>

Reasons For The Proposed Amendment

         IPL believes that regulatory,  legislative and market developments will
lead to a more  competitive  environment in the electric  utility  industry.  As
competition  intensifies,  flexibility  and cost  leadership  will be even  more
crucial to success in the future.  Given that the electric industry is extremely
capital  intensive,  controlling  and minimizing  financing  costs are essential
ingredients to operating effectively in the new competitive  environment.  It is
for these reasons that  shareholders  of IPL are being asked to vote in favor of
the Proposed Amendment.

         The Proposed  Amendment is intended to increase the  flexibility of IPL
in obtaining financing on the best possible terms for IPL.  Historically,  IPL's
long-term debt financing generally has been accomplished through the issuance of
first  mortgage bonds  (secured debt  financing)  pursuant to IPL's Mortgage and
Deed of Trust (the  "Mortgage").  All of the first  mortgage bonds issued by IPL
pursuant to the Mortgage are secured by a first  priority lien on  substantially
all of IPL's properties.  In light of the increasingly  competitive pressures in
the utility  industry and the  financial  markets,  the Board  believes it is in
IPL's best  interests  to have  maximum  flexibility  with  respect to obtaining
future financing to meet IPL's needs. The elimination of the provision providing
for special voting rights of Preferred Shareholders with respect to the issuance
or  assumption of unsecured  indebtedness  would provide IPL with the ability to
access the debt markets as the  opportunity  arises to obtain the most favorable
terms then available to it. This should result in long-term  benefits for all of
IPL's shareholders, including the holders of IPL's Shares.

         In addition,  inasmuch as the provision  providing  for special  voting
rights of Preferred  Shareholders  with respect to the issuance or assumption of
unsecured  indebtedness  contained in the Articles  limits IPL's  flexibility in
planning and financing its business activities,  IPL believes it ultimately will
be at a  competitive  disadvantage  if  the  provision  is not  eliminated.  The
industry's new competitors  (for example,  power  marketers,  independent  power
producers and cogenerating  facilities) generally are not subject to the type of
financing  restrictions  the Articles  impose on IPL.  Recently,  several  other
utilities  with the  same or  similar  charter  restrictions  have  successfully
eliminated  such  provisions by soliciting  their  shareholders  for the same or
similar  amendments.  Therefore,  many  utility  companies  have  no  comparable
provision restricting the use of unsecured debt.

         Even though the removal of the provision  providing for special  voting
rights of Preferred  Shareholders  with respect to the issuance or assumption of
unsecured  indebtedness  would permit IPL to issue a greater amount of unsecured
debt,  IPL does not have any present  intention to issue an aggregate  amount of
debt  greater  than it otherwise  would be  permitted  to issue.  Moreover,  the
adoption of the Proposed  Amendment  would not remove all  restrictions on IPL's
issuance  of debt  securities.  As a  regulated  utility,  the  issuance  of any
securities  by IPL would  continue  to be subject to the prior  approval  of the
Indiana Utility  Regulatory  Commission (with respect to securities  maturing in
more than one year) or the Federal Energy Regulatory Commission (with respect to
securities maturing in one year or less).



<PAGE>

         IPL believes  that, in the long term,  various types of unsecured  debt
alternatives will increase in importance as a financing option. The availability
and  flexibility  of  unsecured  debt is  necessary  to take full  advantage  of
changing conditions in securities markets.  Not only is unsecured debt (which is
oftentimes  short-term)  generally the least expensive form of capital,  it also
provides flexibility in meeting seasonal fluctuations in cash requirements, acts
as a bridge between issues of permanent capital and can be used when unfavorable
conditions prevail in the market for long-term capital.  In addition,  unsecured
debt  provides IPL with greater  flexibility  to issue  floating  rate debt.  By
increasing its use of unsecured  short-term  debt, it may be possible for IPL to
lower  its  cost  structure,  thereby  enabling  it to make  its  products  more
competitive, increase earnings and reduce its business risks.

         IT IS FOR ALL THE ABOVE  REASONS  THAT IPL'S  BOARD  BELIEVES  THE BEST
LONG-TERM  INTERESTS OF SHAREHOLDERS ARE SERVED BY, AND ENCOURAGES  SHAREHOLDERS
TO VOTE FOR, THE ADOPTION OF THE PROPOSED AMENDMENT.

Financial And Other Information Relating To IPL

         The financial statements of IPL and related information included in its
Annual  Report  on Form  10-K for the year  ended  December  31,  1996,  and its
Quarterly  Reports on Form 10-Q for the six months  ended June 30, 1997 and June
30, 1996, each as filed with the SEC, are hereby incorporated by reference.  IPL
will  provide,  without  charge,  upon the written or oral request of any person
(including  any  beneficial  owner) to whom  this  Offer to  Purchase  and Proxy
Statement is  delivered  and by first class mail or other  equally  prompt means
within one business day of receipt of such request,  a copy of such  information
(excluding certain  exhibits).  Such requests for information should be directed
to IPL's principal office at One Monument Circle,  Indianapolis,  Indiana 46204,
Attention:  Corporate  Secretary;  telephone  (317)  261-8261.  See  "Summary of
Consolidated Financial Information."

Relationship With Independent Public Accountants

         Deloitte  & Touche LLP (the  "Auditor")  has been the  auditor  for IPL
since the year 1952,  and was appointed by the Board of Directors of IPALCO upon
recommendation  of the Audit  Committee  of IPALCO to serve as such  during  the
current year. A  representative  of the Auditor is expected to be present at the
Special  Meeting  with the  opportunity  to make a  statement  and to respond to
appropriate questions from shareholders.

Shareholder Proposals For 1998 Annual Meeting Of IPL

         If a  shareholder  intends  to present a  proposal  at the next  Annual
Meeting of  Shareholders  of IPL to be held on April 15, 1998, the proposal must
be received by the  Corporate  Secretary of IPL not later than December 16, 1997
for  inclusion in IPL's proxy or  information  statement  and form of proxy,  if
applicable.


<PAGE>

                        PRICE RANGE OF SHARES; DIVIDENDS

         Each Series of Preferred is traded in the over-the-counter  market (the
"OTC") and is not listed on any national  securities  exchange nor quoted on the
automated quotation system of a registered  securities  association.  Trading of
the Shares has been limited and sporadic,  and  information  concerning  trading
prices and volumes is difficult to obtain. Each Series of Preferred is traded in
the  over-the-counter  market under the following  respective symbols: 4% Series
under  "INPOP;"  4.20% Series under  "INPOO;"  4.60% Series under "INPOG;" 4.80%
Series under "INDPL;" 6% Series under "INPOL;" and 8.20% Series under "INPON."

         As of _______,  1997, the last reported sales prices as reported by the
National  Quotation Bureau,  Inc. were $_____ for the 4% Series of Preferred (on
_______,  1997);  $_____ for the 6% Series of Preferred (on _______,  1997); and
$______ for the 8.20% Series of Preferred (on ______, 1997). There were no sales
prices  available  for the  4.20%  Series  of  Preferred,  the  4.60%  Series of
Preferred  and the 4.80% Series of  Preferred.  IPALCO and IPL believe that such
last  reported  sales price with respect to each Series of Preferred  may not be
indicative  of the  market  value of the  Shares of such  Series  of  Preferred.
Depending  on the number of Shares of a Series of  Preferred  outstanding  after
expiration  of the  Offer,  the  liquidity  of such  Shares  could  be  affected
adversely.  IPALCO and its affiliates  (including  IPL) currently do not own any
Shares of any Series of Preferred. See "Special Factors -- Purpose of the Offer;
Certain Effects of the Offer; Plans of IPALCO and IPL After the Offer."

         On _________, 1997, there were issued and outstanding 100,000 shares of
the 4% Series of Preferred held by 480 shareholders of record;  39,000 shares of
the 4.20% Series of Preferred held by 56 shareholders  of record;  30,000 shares
of the 4.60%  Series of  Preferred  held by 53  shareholders  of record;  50,000
shares of the 4.80%  Series of  Preferred  held by 24  shareholders  of  record;
100,000 shares of the 6% Series of Preferred held by 80  shareholders of record;
and 199,985 shares of the 8.20% Series of Preferred held by 118  shareholders of
record.

         PREFERRED  SHAREHOLDERS ARE URGED TO OBTAIN CURRENT MARKET  QUOTATIONS,
IF AVAILABLE, FOR THE PREFERRED SHARES.

         The following table sets forth the high and low bid quotations for each
Series of Preferred as reported by the National  Quotation Bureau,  Inc. and the
cash dividends paid thereon for the fiscal  quarters  indicated.  Neither IPALCO
nor IPL make any representation as to the accuracy of the information related to
the high and low ask or bid quotations.



<PAGE>
                DIVIDENDS AND PRICE RANGES OF SERIES OF PREFERRED

<TABLE>
<CAPTION>


                                  1997 - Quarters               1996 - Quarters                        1995 - Quarters
                                ------------------  --------------------------------------  --------------------------------------
                                   1st      2nd        1st       2nd       3rd       4th      1st       2nd       3rd       4th
                                --------  --------  --------  --------  --------  --------  --------  --------  --------  --------
<S>                             <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>       <C>
Cumulative Preferred Stock
  ($100 Par Value)

4% Series
  Dividends Paid Per Share      $   1.00  $   1.00  $   1.00  $   1.00  $   1.00  $   1.00  $   1.00  $   1.00  $   1.00  $   1.00


  Market Price - $ Per Share
(OTC)
         Ask - High/Low
         Bid - High
                - Low

4.20% Series
 Dividends Paid Per Shares      $   1.05  $   1.05  $   1.05  $   1.05  $   1.05  $   1.05  $   1.05  $   1.05  $   1.05  $   1.05

  Market Price - $ Per Share
(OTC)
        -- Quotations not
available

4.60% Series
 Dividends Paid Per Share       $   1.15  $   1.15  $   1.15  $   1.15  $   1.15  $   1.15  $   1.15  $   1.15  $   1.15  $   1.15

 Market Price - $ Per Shares
(OTC)
        -- Quotations not
available

4.80% Series
 Dividends Paid Per Share       $   1.20  $   1.20  $   1.20  $   1.20  $   1.20  $   1.20  $   1.20  $   1.20  $   1.20  $   1.20

  Market Price - $ Per Share
(OTC)
        -- Quotations not
available

6% Series
 Dividends Paid Per Share       $   1.50  $   1.50  $   1.50  $   1.50  $   1.50  $   1.50  $   1.50  $   1.50  $   1.50  $   1.50

  Market Price -- $ Per
Share(OTC)
         Ask - High
         Bid - High
                - Low

8.20% Series
 Dividends Paid Per Share       $   2.05  $   2.05  $   2.05  $   2.05  $   2.05  $   2.05  $   2.05  $   2.05  $   2.05  $   2.05

  Market Price - $ Per
Share(OTC)
         Ask - High
         Bid - High
                - Low
</TABLE>


<PAGE>

         Dividends  for a  Series  of  Preferred  are  payable  when,  as and if
declared  by IPL's  Board of  Directors  at the rate per annum  included in such
title of the Series of Preferred. The October Dividend has been declared on each
Series of Preferred, payable October 1, 1997 to Preferred Shareholders of record
on September 19, 1997. A tender and purchase of Shares  pursuant to the Offer or
a redemption of 8.20% Shares will not deprive a shareholder  of his or her right
to receive the October  Dividend on Shares held of record on September 19, 1997,
regardless  of whether such  shareholder  tenders his or her Shares in the Offer
prior to that date. Tendering shareholders will not be entitled to any dividends
in respect of any later dividend periods, or any portion thereof. The payment of
the October  Dividend will be made  separately from payments for Shares tendered
in the Offer or redeemed.


                     CERTAIN FEDERAL INCOME TAX CONSEQUENCES

         In the  opinion of Barnes &  Thornburg,  tax counsel to IPALCO and IPL,
the following  summary  describes the principal United States federal income tax
consequences of sales of Shares pursuant to the Offer and the receipt of Special
Cash  Payments in  connection  with the  approval  and  adoption of the Proposed
Amendment.  This  summary  is based on the  Internal  Revenue  Code of 1986,  as
amended to the date hereof (the "Code"), and judicial decisions, regulations and
rulings thereunder, changes to any of which subsequent to the date of this Offer
to Purchase and Proxy Statement may alter the tax consequences described herein,
possibly on a  retroactive  basis.  This  summary is  addressed  to Holders,  as
defined  below,  who hold Shares as capital assets within the meaning of Section
1221 of the Code. This summary does not discuss all of the tax consequences that
may be relevant to a Holder in light of his or her particular  circumstances  or
to Holders subject to special rules (including  certain financial  institutions,
insurance companies,  dealers in securities, and Holders who are not citizens or
residents of the United  States).  HOLDERS OF SHARES  SHOULD  CONSULT  THEIR TAX
ADVISERS WITH REGARD TO THE  APPLICATION OF THE UNITED STATES FEDERAL INCOME TAX
LAWS TO THEIR  PARTICULAR  SITUATIONS  AS WELL AS ANY TAX  CONSEQUENCES  ARISING
UNDER THE LAWS OF ANY STATE, LOCAL OR FOREIGN TAXING JURISDICTION.

         As used herein, the term "Holder" means an owner of a Share that (a) is
(i) for United States  federal  income tax purposes a citizen or resident of the
United  States,  (ii) a  corporation,  partnership  or other  entity  created or
organized  in or  under  the  laws  of the  United  States  or of any  political
subdivision  thereof  or (iii) an estate or trust the income of which is subject
to United States federal income taxation regardless of its source, or (b) is not
described in (a) and whose  income from a Share is  effectively  connected  with
such  Holder's  conduct  of a United  States  trade or  business.  The term also
includes certain former citizens of the United States.

         Tender  Offer.  In general,  a Holder who sells Shares  pursuant to the
Offer will recognize gain or loss equal to the difference  between the tax basis
of his or her Shares and the amount of cash received in exchange  therefor.  For
federal income tax purposes,  an amount equal to $1.00 per Share will be treated
by IPALCO and IPL as  payment  for  voting in favor of the  Proposed  Amendment,
rather  than cash paid in  exchange  for Shares,  and will  constitute  ordinary
income  to  recipient  Holders,   as  described  below  under  "-  Special  Cash
Payments/Modification  of  Articles." A Holder's  gain or loss will be long-term
capital gain or loss if the holding  period for the Shares is more than one year
(more than 18 months to obtain the benefit of newly  reduced  capital  gains tax
rates,  where applicable) as of the date of the sale of such Shares.  The excess
of net long-term capital gains over net short-term  capital losses is taxed at a
lower  rate than  ordinary  income  for  certain  non-corporate  taxpayers.  The
distinction  between  capital gain and loss and ordinary  income or loss is also
relevant for purposes of, among other things,  limitations on the  deductibility
of capital losses.



<PAGE>


         Special Cash  Payments/Modification of Articles. The federal income tax
treatment of the Special Cash  Payments is not  entirely  clear.  IPALCO and IPL
will treat the Special  Cash  Payments as  ordinary  non-dividend  income to the
recipient  Holders.  Whether or not they receive Special Cash Payments,  Holders
will not recognize any taxable  income or loss with respect to the Shares merely
as a result of the modification of the Articles by the Proposed Amendment.

         Backup  Withholding and Information  Reporting.  Certain  non-corporate
Holders may be subject to backup  withholding at a rate of 31% on gross proceeds
received for tendered  Shares in the Offer and on Special  Cash  Payments.  Each
United  States  Holder  tendering  Shares in the Offer or  entitled to receive a
Special  Cash  Payment  pursuant  to the  Offer  will be asked to  provide  such
Holder's correct taxpayer  identification number and certify that such Holder is
not subject to backup withholding by completing the Substitute Form W-9 included
in the Letter of Transmittal and Proxy.

         The amount of any backup withholding from a payment to a Holder will be
allowed as a credit  against such  Holder's  United  States  federal  income tax
liability  and may entitle such Holder to a refund,  provided  that the required
information is furnished to the Internal Revenue Service.

                           SOURCE AND AMOUNT OF FUNDS

         Assuming that IPALCO  purchases all outstanding  Shares pursuant to the
Offer,  the total  amount  required  by IPALCO to  purchase  such Shares will be
approximately  $______  million,  exclusive of fees and other  expenses.  IPALCO
intends  to borrow  the funds  that it needs to  complete  the Offer  through an
existing  $401  Million  Revolving  Credit  Facility  (the  "Revolver")  with  a
syndicate of banks, led by Bank One, Indiana, N.A. The Revolver matures on March
31, 2002.  Interest is payable  monthly and is based on a spread over LIBOR.  In
conjunction  with the  Revolver,  IPALCO  entered  into an  interest  rate  swap
agreement  which  fixed  the  interest  rate on $300  million  of the  Revolver.
Pursuant to the swap  agreement,  which matures  April 1, 2001,  IPALCO will pay
interest at a fixed rate of 6.3575% to a swap  counter  party and will receive a
variable rate of interest in return based on the one month LIBOR.  The result is
to effectively establish an approximate rate of interest of 6.7% on $300 million
of the Revolver. IPALCO's borrowings under the Revolver will be repaid through a
dividend from IPL, which expects to derive its funds from  internally  generated
funds,  the liquidation of temporary  investments and the issuance of short-term
debt.

                TRANSACTIONS AND AGREEMENTS CONCERNING THE SHARES

         Each of IPALCO and IPL has been advised by its  directors and executive
officers that no directors or executive officers of the respective companies own
any Shares.  Based upon the companies' records and upon information  provided to
each company by its directors and executive  officers,  neither  company nor, to
the  knowledge of either,  any of their  subsidiaries,  directors,  or executive
officers has engaged in any transactions involving Shares during the 60 business
days preceding the date hereof. Neither company nor, to the knowledge of either,
any  of its  directors  or  executive  officers  is a  party  to  any  contract,
arrangement,  understanding or relationship  relating  directly or indirectly to
the Offer with any other person with respect to any securities of IPL.


<PAGE>

                   FEES AND EXPENSES ASSOCIATED WITH THE OFFER

         Dealer Manager,  Depositary and Information Agent Fees. Dillon,  Read &
Co. Inc. and Merrill  Lynch & Co. will act as the Dealer  Managers for IPALCO in
connection  with the Offer,  but will not provide  services to IPL in connection
with the Proposed Amendment or the solicitation of proxies therewith. IPALCO has
agreed  to pay the  Dealer  Managers  a fee of $___  per  Share  for any  Shares
tendered,  accepted for payment and paid for pursuant to the Offer,  and for all
Shares voted in favor of the Proposed  Amendment,  whether or not tendered.  The
Dealer  Managers  will  also  be  reimbursed  by  IPALCO  for  their  reasonable
out-of-pocket  expenses,  including  attorneys'  fees,  and will be  indemnified
against certain  liabilities,  including  certain  liabilities under the federal
securities  laws,  in  connection  with the  Offer.  The  Dealer  Managers  have
rendered, are currently rendering and are expected to continue to render various
investment  banking  services  to  IPALCO  and IPL.  The  Dealer  Managers  have
received,  and  will  continue  to  receive,  customary  compensation  from  the
companies  for such  services.  IPALCO has retained  IBJ  Schroder  Bank & Trust
Company  as  Depositary  and D. F.  King & Co.,  Inc.  as  Information  Agent in
connection  with the Offer.  The Depositary and  Information  Agent will receive
reasonable  and  customary  compensation  for  their  services  and will also be
reimbursed for certain  out-of-pocket  expenses.  IPALCO has agreed to indemnify
the Depositary and  Information  Agent against  certain  liabilities,  including
certain  liabilities  under the federal  securities  law, in connection with the
Offer.  Neither the  Depositary nor the  Information  Agent has been retained to
make solicitations or recommendations in connection with the Offer.

         Solicited  Tender Fees.  Pursuant to Instruction 10 of the accompanying
Letter of  Transmittal  and Proxy,  IPALCO  will pay to  Soliciting  Dealers (as
defined  below)  a  solicitation   fee  of  $___  per  Share  (except  that  for
transactions  for beneficial  owners equal to or exceeding  ____ Shares,  IPALCO
will pay a solicitation fee of $___ per Share) for any Shares tendered, accepted
for payment  and paid for  pursuant  to the Offer,  and for all Shares  voted in
favor of the Proposed  Amendment,  whether or not  tendered,  subject to certain
conditions.  Solicitation  fees payable in transactions for beneficial owners of
_______ or more Shares  shall be paid 80% to the Dealer  Managers and 20% to the
Soliciting Dealers (which may be a Dealer Manager).  However, Soliciting Dealers
will not be entitled to a solicitation fee for Shares beneficially owned by such
Soliciting  Dealer.  "Soliciting  Dealers"  include  (a) any broker or dealer in
securities,  including  the Dealer  Managers  in their  capacity  as a dealer or
broker, which is a member of any national securities exchange or of the National
Association of Securities Dealers,  Inc. (the "NASD"), (b) any foreign broker or
dealer not  eligible for  membership  in the NASD which agrees to conform to the
NASD's Rules of Fair Practice in soliciting tenders outside the United States to
the same  extent  as  though  it were an NASD  member,  or (c) any bank or trust
company.

<PAGE>

         No  solicitation  fee or  separate  fee (other than  solicitation  fees
payable  to the  Dealer  Managers  as  provided  above)  shall be  payable  to a
Soliciting  Dealer with respect to the tender of Shares or the vote of Shares by
a holder unless the Letter of Transmittal and Proxy  accompanying such tender or
vote, as the case may be, designates such Soliciting Dealer. No solicitation fee
or  separate  fee shall be payable to a  Soliciting  Dealer in respect of Shares
registered in the name of such Soliciting  Dealer unless such Shares are held by
such  Soliciting  Dealer as nominee and such Shares are being  tendered or voted
for the benefit of one or more  beneficial  owners  identified  on the Letter of
Transmittal and Proxy or on the Notice of Solicited Tenders. No solicitation fee
or  separate  fee shall be payable  to a  Soliciting  Dealer if such  Soliciting
Dealer is  required  for any  reason  to  transfer  the  amount of such fee to a
depositing  holder (other than itself).  No solicitation  fee shall be paid to a
Soliciting  Dealer with respect to Shares tendered for such Soliciting  Dealer's
own  account  and no  separate  fee shall be paid to a  Soliciting  Dealer  with
respect to Shares voted for such Soliciting  Dealer's own account.  A Soliciting
Dealer shall not be entitled to a solicitation  fee or a separate fee for Shares
beneficially  owned by such Soliciting  Dealer. No broker,  dealer,  bank, trust
company  or  fiduciary  shall be  deemed  to be the agent of  IPALCO,  IPL,  the
Depositary,  the Dealer  Managers or the  Information  Agent for purposes of the
Offer.

         Soliciting  Dealers will include any of the organizations  described in
clauses (a), (b) and (c) above even when the activities of such organizations in
connection  with the Offer consist  solely of  forwarding  to clients  materials
relating  to the  Offer,  including  the  Letter  of  Transmittal  and Proxy and
tendering Shares as directed by beneficial owners thereof.  No Soliciting Dealer
is  required  to make any  recommendation  to holders of Shares as to whether to
tender or refrain from tendering in the Offer.  No assumption is made, in making
payment to any Soliciting  Dealer,  that its  activities in connection  with the
Offer  included any activities  other than those  described  above,  and for all
purposes noted in all materials  relating to the Offer, the term "solicit" shall
be deemed to mean no more than  "processing  shares  tendered" or "forwarding to
customers materials regarding the Offer."

         Stock Transfer Taxes. IPALCO will pay all stock transfer taxes, if any,
payable on account of the acquisition of Shares by IPALCO pursuant to the Offer,
except in certain circumstances where special payment or delivery procedures are
utilized pursuant to Instruction 6 of the accompanying Letter of Transmittal and
Proxy.  Each Preferred  Shareholder will be responsible for paying any income or
gross receipts taxes imposed by any  jurisdiction  by reason of the Special Cash
Payment and/or the sale of the Shares in the Offer.



<PAGE>


         Estimated  Expenses.  Assuming  that  all  Shares  of  each  Series  of
Preferred  are tendered and  purchased  by IPALCO  pursuant to the Offer,  it is
estimated that the expenses incurred by IPALCO in connection with the Offer will
be as approximately  set forth below.  IPALCO will be responsible for paying all
such expenses.

                  Dealer Manager Fees                         $ _____________
                  Depositary and Information Agent Fees       $ _____________
                  Solicitation Fees                           $ _____________
                  Printing and Mailing Fees                   $ _____________
                  Filing Fees                                 $ _____________
                  Legal and Miscellaneous                     $ _____________
                                                              ---------------
                           Total                              $ _____________
                                                              ===============

                  CERTAIN INFORMATION REGARDING IPL AND IPALCO

         IPL was incorporated under the laws of the state of Indiana in 1927 and
is a subsidiary of IPALCO. IPL is a regulated electric and steam service utility
engaged primarily in generating, transmitting, distributing and selling electric
energy in the city of Indianapolis  and neighboring  cities,  towns and adjacent
rural  areas,  all within the State of  Indiana,  the most  distant  point being
approximately  40 miles from  Indianapolis.  IPL also produces,  distributes and
sells   steam   within  a  limited   area  in   Indianapolis.   No   private  or
municipally-owned  electric  public utility  companies are competing with IPL in
the territory it serves.  Existing  Indiana law provides for public utilities to
have an exclusive retail service area. There have been no significant changes in
the services rendered,  or in the markets or methods of distribution,  since the
beginning of the current  fiscal year and the filing of IPL's  Annual  Report on
Form 10-K for the fiscal year ended December 31, 1996 and IPL's Quarterly Report
on Form 10-Q for the six month  period  ended  June 30,  1997,  which are hereby
incorporated by reference.

         IPALCO was incorporated  under the laws of the state of Indiana in 1983
and is a holding company and the parent company of IPL and  Mid-America  Capital
Resources,  Inc.  ("Mid-America").  IPALCO  owns all of the  outstanding  Common
Shares of IPL. Mid-America is the holding company for the unregulated activities
of IPALCO,  which primarily  include  operation of district  heating and cooling
systems, research and development of energy storage technology, and operation of
an energy system in an industrial complex.


<PAGE>

                  SUMMARY OF CONSOLIDATED FINANCIAL INFORMATION

         Set  forth   below  is  certain   consolidated   historical   financial
information of IPL. The historical financial  information (other than the ratios
of  earnings  to  fixed  charges)  was  derived  from the  audited  consolidated
financial  statements  included in IPL's Annual Report on Form 10-K for the year
ended December 31, 1996 and from the unaudited consolidated financial statements
included in IPL's Quarterly Reports on Form 10-Q for the six month periods ended
June 30, 1997 and June 31, 1996,  which  statements are hereby  incorporated  by
reference.  More comprehensive financial information is included in such reports
and the  financial  information  which  follows is  qualified in its entirety by
reference to such reports and all of the financial  statements and related notes
contained therein, copies of which may be obtained as set forth herein. The data
as of and for the six  months  ended  June 30,  1997 and June 30,  1996 has been
derived  from  unaudited  financial  statements  which,  in the  opinion of IPL,
reflect  all  adjustments,  consisting  of  any  normal  recurring  adjustments,
necessary for a fair  representation of such data. The results of operations for
such six month  periods do not  purport to be  indicative  of the  results to be
expected for a full year.  See  "Proposed  Amendment and Proxy  Solicitation  --
Financial and Other  Information  Relating to IPL" and "Additional  Information;
Incorporation By Reference."

Condensed Statement Of Income Data:
<TABLE>
<CAPTION>

                                             Year Ended                 Six Months Ended
                                             December 31,                   June 30,
                                       ------------------------      ------------------------
                                         1996           1995           1997           1996
                                         ----           ----           ----           ----
                                                                             (Unaudited)
                          (In Thousands, Except Ratios)

<S>                                    <C>            <C>            <C>            <C>
Operating Revenues                     $ 762,503      $ 709,206      $ 379,002      $ 374,067
Operating Income                         163,219        147,588         83,581         80,966
Allowance for Borrowed and Equity
   Funds Used During Construction          9,321         11,370          2,753          6,930
Interest Expense on Long-term Debt       (43,425)       (45,656)       (19,445)       (21,729)
Net Income                               122,588        106,273         64,851         62,860
Preferred Dividend Requirement            (3,182)        (3,182)        (1,591)        (1,591)
Income Applicable to Common Stock        119,406        103,091         63,260         61,269

Ratio of Earnings to Fixed Charges     $    4.91      $    4.09      $    5.27      $    4.62
</TABLE>

Condensed Balance Sheet Data:
<TABLE>
<CAPTION>

                                             As of December 31,                     As of June 30,
                                             ------------------              ---------------------
                                            1996              1995           1997             1996
                                            ----              ----           ----             ----
                                                                (In Thousands)
ASSETS:
<S>                                     <C>              <C>               <C>               <C>
Net Utility Plant In Service            $1,714,813       $1,532,880        $1,687,940        $1,703,150
Construction Work In Progress               63,243          249,249            73,461            87,549
Cash and Cash Equivalents                    8,840            9,985             8,771             8,888
Other Current Assets                        99,652          147,688            85,451           146,030
Other Assets                               165,852          169,014           159,999           169,265
                                       -----------      -----------       -----------       -----------
   Total                                $2,052,400       $2,108,816        $2,015,622        $2,114,882
                                        ==========       ==========        ==========        ==========

CAPITALIZATION AND LIABILITIES:
Common Equity                            $ 782,249        $ 747,129         $ 807,112         $ 766,284
Cumulative Preferred Stock                  51,898           51,898            51,898            51,898
Long-term Debt                             627,791          669,000           627,816           657,769
Current Liabilities                        171,138          223,927           110,310           214,615
Other Liabilities                          419,324          416,862           418,486           424,316
                                        ----------       ----------        ----------        ----------
   Total                                $2,052,400       $2,108,816        $2,015,622        $2,114,882
                                        ==========       ==========        ==========        ==========

</TABLE>

<PAGE>

               ADDITIONAL INFORMATION; INCORPORATION BY REFERENCE

         IPALCO and IPL are  subject to the  informational  requirements  of the
Exchange Act and in accordance therewith file periodic reports, proxy statements
and other  information  with the SEC. IPALCO and IPL are required to disclose in
such proxy statements certain  information,  as of particular dates,  concerning
their directors and officers, their remuneration, stock options granted to them,
the  principal  holders of their  securities  and any material  interest of such
persons in transactions with IPALCO or IPL. In connection with the Offer, IPALCO
has also filed an Issuer  Tender Offer  Statement  on Schedule  13E-4 and a Rule
13e-3 Transaction Statement on Schedule 13E-3 with the SEC that includes certain
additional information relating to the Offer.

         Such  material  can be  inspected  at the public  reference  facilities
maintained by the SEC at Room 1024,  Judiciary  Plaza,  450 Fifth Street,  N.W.,
Washington,  D.C.  20549,  and at its Regional  Offices located at 7 World Trade
Center,  Suite 1300, New York,  New York 10048,  and Citicorp  Center,  500 West
Madison  Street,  Suite  1400,  Chicago,  Illinois  60661-2511.  Copies  of such
material can be obtained  from the Public  Reference  Section of the SEC at Room
1024,  Judiciary  Plaza,  450 Fifth Street,  N.W.,  Washington,  D.C.  20549, at
prescribed  rates.  The SEC  also  maintains  a Web  site on the  Internet  that
contains reports, proxy materials,  information statements and other information
regarding issuers that file  electronically  with the SEC,  including IPALCO and
IPL. The address of such site is:  http://www.sec.gov.  IPALCO's  Schedule 13E-4
and Schedule 13E-3 will not be available at the SEC's regional offices.

         The financial statements of IPL and related information included in its
Annual  Report  on Form  10-K for the year  ended  December  31,  1996,  and its
Quarterly Reports on Form 10-Q for the six month periods ended June 30, 1997 and
June 30, 1996, each as filed with the SEC, are hereby incorporated by reference.
See "Proposed Amendment and Proxy Solicitation -- Financial and Other
Information Relating to IPL."

                                  MISCELLANEOUS

         The Offer is not being made to, nor will IPALCO  accept  tenders  from,
owners of Shares in any  jurisdiction in which the Offer or its acceptance would
not be in compliance with the laws of such jurisdiction.  IPALCO is not aware of
any jurisdiction where the making of the Offer or the tender of Shares would not
be  in  compliance   with  applicable  law.  If  IPALCO  becomes  aware  of  any
jurisdiction  where the  making  of the Offer or the  tender of Shares is not in
compliance  with any  applicable  law,  IPALCO will make a good faith  effort to
comply with such law. If, after such good faith  effort,  IPALCO  cannot  comply
with such law, the Offer will not be made to (nor will tenders be accepted  from
or on behalf  of) the owners of Shares  residing  in such  jurisdiction.  In any
jurisdiction in which the  securities,  blue sky or other laws require the Offer
to be made by a licensed  broker or dealer,  the Offer will be deemed to be made
on IPALCO's behalf by one or more registered  brokers or dealers  licensed under
the laws of such jurisdiction

                                        IPALCO ENTERPRISES, INC.
                                        INDIANAPOLIS POWER & LIGHT COMPANY

_________, 1997


<PAGE>

         Facsimile  copies  of the  Letter  of  Transmittal  and  Proxy  will be
accepted.  The Letter of Transmittal and Proxy and, if applicable,  certificates
for Shares should be sent or delivered by each tendering  Preferred  Shareholder
or voting  Preferred  Shareholder of IPL or his or her broker,  dealer,  bank or
trust company to the Depositary at one of its addresses set forth below.

                               The Depositary is:
                        IBJ SCHRODER BANK & TRUST COMPANY

<TABLE>
<CAPTION>
By Mail:                     By Facsimilie:      To Confirm:    By Hand/Overnight Delivery:
<S>                         <C>                <C>             <C>
P.O. Box 84                  (212) 858-2611    (212) 858-2103   One State Street
Bowling Green Station                                           New York, New York 10004
New York, New York 10274-0084                                   Attn: Securities Processing
Attn: Reorganization Operations                                    Window, Subcellar One,
                   Department                                             (SC-1)
</TABLE>

         Any  questions  or  requests  for  assistance  may be  directed  to the
Information  Agent or the Dealer Managers at their respective  telephone numbers
and addresses  listed  below.  Requests for  additional  copies of this Offer to
Purchase  and Proxy  Statement,  the  Letter of  Transmittal  and Proxy or other
tender offer or proxy  materials may be directed to the Information  Agent,  and
such copies will be  furnished  promptly at the  companies'  expense.  Preferred
Shareholders  may also contact their local broker,  dealer,  commercial  bank or
trust company for assistance concerning the Offer.

                             The Information Agent:
                             D. F. KING & CO., INC.
                                 77 Water Street
                            New York, New York 10005
                         Call Toll Free: (800) 859-8508

                              The Dealer Managers:
       DILLON, READ & CO. INC.                     MERRILL LYNCH & CO.

       55 Madison Avenue                      World Financial Center
       New York, New York 10022               250 Vesey Street
       Attention:  Syndicate Department       New York, New York 10281
       (212) 906-7531                         1-888-ML4-TNDR (toll free)
                                              (1-888-654-8637 (toll free))


                                    ATTENTION
                     SHAREHOLDERS WHO HAVE LOST CERTIFICATES
                     Please call IPL, Shareholder Services,
              at (317) 261-8394 or 1-800-877-0153 for assistance.


<PAGE>

                                                                      APPENDIX A

                         LETTER OF TRANSMITTAL AND PROXY

                                   RELATING TO
               SHARES OF CUMULATIVE PREFERRED STOCK, _____% SERIES
                                       OF
                       INDIANAPOLIS POWER & LIGHT COMPANY

               TENDERED PURSUANT TO THE OFFER TO PURCHASE FOR CASH
                                       BY
                            IPALCO ENTERPRISES, INC.,
                             DATED _________, 1997,
                       FOR PURCHASE AT A PURCHASE PRICE OF
                               $_______ PER SHARE

                                     AND/OR

                     VOTED PURSUANT TO THE PROXY STATEMENT,
                             DATED _________, 1997,
                                       OF
                       INDIANAPOLIS POWER & LIGHT COMPANY



THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 5:00 P.M., NEW YORK CITY TIME, ON
_________,  _________,  1997,  UNLESS  THE OFFER IS  EXTENDED  (THE  "EXPIRATION
DATE").


         THE PROXY  CONTAINED  IN THIS  DOCUMENT  IS IN RESPECT  OF THE  SPECIAL
MEETING OF  SHAREHOLDERS  TO BE HELD ON _________,  _________,  1997, OR ON SUCH
DATE TO WHICH THE MEETING IS ADJOURNED OR POSTPONED.

            TO: IBJ SCHRODER BANK & TRUST COMPANY (THE "DEPOSITARY")

<TABLE>
<CAPTION>
<S>                            <C>               <C>             <C>
By Mail:                        By Facsimilie:    To Confirm:      By Hand/Overnight Delivery:
P.O. Box 84                     (212) 858-2611    (212) 858-2103   One State Street
Bowling Green Station                                              New York, New York 10004
New York, New York 10274-0084                                      Attn: Securities Processing
Attn: Reorganization Operations                                       Window, Subcellar One,
                   Department                                                 (SC-1)
</TABLE>

         PREFERRED  SHAREHOLDERS  (INCLUDING PREFERRED  SHAREHOLDERS WHO ACQUIRE
SHARES  SUBSEQUENT TO THE RECORD DATE) WILL NOT BE ABLE TO VALIDLY  TENDER THEIR
SHARES UNLESS THEY HAVE SUBMITTED A DULY  COMPLETED,  VALID AND UNREVOKED  PROXY
INDICATING THEIR VOTE FOR THE PROPOSED AMENDMENT OR INDICATE IN THE ACCOMPANYING
PROXY THEIR INTENTION TO VOTE FOR THE PROPOSED AMENDMENT AT THE SPECIAL MEETING.
IPALCO  ENTERPRISES,  INC. ("IPALCO") WILL NOT BE REQUIRED TO ACCEPT FOR PAYMENT
OR PAY FOR ANY SHARES  TENDERED IF THE  PROPOSED  AMENDMENT  IS NOT APPROVED AND
ADOPTED AT THE SPECIAL MEETING. PREFERRED SHAREHOLDERS HAVE THE RIGHT TO VOTE ON
THE PROPOSED AMENDMENT REGARDLESS OF WHETHER THEY TENDER THEIR SHARES BY CASTING
THEIR VOTE AND SIGNING THE PROXY CONTAINED WITHIN THIS LETTER OF TRANSMITTAL AND
PROXY OR BY VOTING IN PERSON AT THE SPECIAL MEETING.  IF THE PROPOSED  AMENDMENT
IS APPROVED AND ADOPTED,  INDIANAPOLIS POWER & LIGHT COMPANY ("IPL") WILL MAKE A
SPECIAL CASH  PAYMENT TO EACH  PREFERRED  SHAREHOLDER  WHO VOTED IN FAVOR OF THE
PROPOSED AMENDMENT,  PROVIDED THAT THEIR SHARES ARE NOT TENDERED PURSUANT TO THE
OFFER.

         HOLDERS WHO PURCHASE OR WHOSE PURCHASE  SETTLES OR IS REGISTERED  AFTER
THE CLOSE OF BUSINESS ON ____________,  1997 (THE "RECORD DATE") AND WHO WISH TO
TENDER IN THE OFFER MUST ARRANGE WITH THEIR SELLER TO RECEIVE A DULY  COMPLETED,
VALID AND UNREVOKED PROXY (WHICH MAY BE IN THE FORM OF AN IRREVOCABLE ASSIGNMENT
OF PROXY AS SET FORTH IN THIS LETTER OF  TRANSMITTAL  AND PROXY) FROM THE HOLDER
ON THE RECORD DATE OF SUCH SHARES.  IN ORDER TO  FACILITATE  RECEIPT OF PROXIES,
SHARES SHALL, DURING THE PERIOD WHICH COMMENCES ____________, 1997 (TWO BUSINESS
DAYS PRIOR TO THE RECORD  DATE) AND WHICH WILL END AT THE CLOSE OF  BUSINESS  ON
THE EXPIRATION DATE, TRADE IN THE OVER-THE-COUNTER MARKET WITH A PROXY PROVIDING
THE  TRANSFEREE  WITH THE  RIGHT  TO VOTE  SUCH  ACQUIRED  SHARES  IN THE  PROXY
SOLICITATION.


<PAGE>


NOTE:   SIGNATURES  MUST  BE  PROVIDED  BELOW.   PLEASE  READ  THE  ACCOMPANYING
INSTRUCTIONS CAREFULLY.

NOTE: IF SHARES ARE BEING TENDERED,  THE REMAINDER OF THIS LETTER OF TRANSMITTAL
AND PROXY MUST BE COMPLETED,  INCLUDING THE SUBSTITUTE FORM W-9 BELOW. IF SHARES
ARE NOT BEING  TENDERED,  YOU NEED ONLY COMPLETE THE BOXES BELOW TITLED  "PROXY"
(OR, IF APPLICABLE,  "IRREVOCABLE PROXY") AND "SIGNATURE(S) OF OWNER(S)" AND THE
SUBSTITUTE FORM W-9.



                                      PROXY
         The  undersigned  hereby  appoints John R. Hodowal,  Ramon L. Humke and
Bryan G. Tabler, or any of them, as proxies,  each with the power to appoint his
substitute,  and hereby  authorizes  them to represent and to vote as designated
hereunder and in their  discretion  with respect to any other business  properly
brought before the Special Meeting, all the shares of cumulative preferred stock
of Indianapolis  Power & Light Company ("IPL") which the undersigned is entitled
to  vote at the  Special  Meeting  of  Shareholders  to be  held  on  _________,
_________, 1997, or any adjournment(s) or postponement(s) thereof.

NOTE:  IF YOU ARE  VOTING  BUT NOT  TENDERING  SHARES,  DO NOT  SEND  ANY  SHARE
CERTIFICATES WITH THIS LETTER OF TRANSMITTAL AND PROXY.

         THIS  LETTER OF  TRANSMITTAL  AND PROXY IS  SOLICITED  ON BEHALF OF THE
BOARD OF DIRECTORS OF IPL. The proxy contained herein,  when properly  executed,
will be voted in the manner directed  herein by the undersigned  shareholder(s).
If no direction is made, the proxy will be voted FOR Item 1.

     INDICATE  YOUR VOTE BY AN (X).  THE BOARD OF  DIRECTORS  OF IPL  RECOMMENDS
VOTING FOR ITEM 1.

ITEM 1.

         HOLDERS OF SHARES WHO WISH TO TENDER  THEIR  SHARES MUST VOTE "FOR" THE
PROPOSED  AMENDMENT  EITHER BY SUBMITTING THIS PROXY OR BY VOTING AT THE SPECIAL
MEETING.

         To remove in its  entirety  ARTICLE 6A,  Section  4(g) from the Amended
Articles of Incorporation of IPL (the "Articles"), which limits IPL's ability to
issue unsecured indebtedness.

                [ ] FOR           [ ] AGAINST              [ ] ABSTAIN

NOTE:  IF SHARES ARE BEING VOTED "FOR" THE PROPOSED  AMENDMENT,  THE  SUBSTITUTE
FORM W-9 BELOW SHOULD BE COMPLETED TO AVOID BACK-UP  WITHHOLDING  ON THE SPECIAL
CASH PAYMENT.

     SHARES  REPRESENTED  BY ALL  PROPERLY  EXECUTED  PROXIES  WILL BE  VOTED IN
ACCORDANCE WITH INSTRUCTIONS APPEARING ON THIS PROXY. IN THE ABSENCE OF SPECIFIC
INSTRUCTIONS,  PROXIES WILL BE VOTED IN ACCORDANCE WITH THE  RECOMMENDATIONS  OF
THE BOARD OF DIRECTORS OF IPL, AND IN THE  DISCRETION OF THE PROXY HOLDERS AS TO
ANY OTHER MATTERS THAT MAY PROPERLY COME BEFORE THE SPECIAL MEETING.

         Any holder of Shares  held of record on the Record  Date in the name of
another holder must establish to the  satisfaction of IPL his or her entitlement
to exercise or transfer this Proxy.  This will ordinarily  require an assignment
by such record holder in blank,  or if not in blank, to and from each successive
transferee, including the holder, which each signature guaranteed by an Eligible
Institution. A form of irrevocable assignment of proxy has been provided herein.


Please check box if you plan to attend the Special Meeting.  [ ]



<PAGE>


DESCRIPTION OF SHARES TENDERED (1)

<TABLE>
<CAPTION>

Name(s)    and    Address(es)    of
Registered  Holder(s)  (Please  use
preaddressed  label or fill in,  if
blank, exactly as name(s) appear(s)                  Share  Certificate(s)and Share(s) Tendered/Voted
on   Share    Certificate(s)    and                (Attached  additional  signed  list if necessary) (1)
Share(s) Tendered)
- ----------------------------------------------------------------------------------------------------------------------
<S>                                  <C>                   <C>               <C>                  <C>
                                                              Total Number                              Number of
                                                                of Shares                               Shares Not
                                         Share Certificate     Represented     Number of Shares        Tendered But
                                           Number(s) (2)        by Share         Tendered (3)          as to which 
                                                            Certificate(s)(2)                       Proxies Given Only
                                         -----------------  -----------------  ----------------     -------------------

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

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

                                         -----------------  -----------------  ----------------     -------------------
                                             Total Shares:
                                         -----------------  -----------------  ----------------     -------------------
</TABLE>


(1)      If  tendering  or voting  Share(s),  please  fill in table  exactly  as
         information appears on the Certificate(s).

(2)      Need not be completed by shareholders tendering by book-entry transfer.

(3)      Unless  otherwise  indicated,  it  will  be  assumed  that  all  Shares
         represented by any  certificates  delivered to the Depositary are being
         tendered. See Instruction 4. You must vote "FOR" the Proposed Amendment
         with respect to any Shares tendered.


NOTE:    IF YOU ARE DELIVERING A PROXY BUT NOT TENDERING SHARES, DO NOT COMPLETE
         THE ABOVE TABLE ENTITLED  "DESCRIPTION  OF SHARES  TENDERED" AND DO NOT
         SEND ANY SHARE CERTIFICATES.




<PAGE>





                            SIGNATURE(S) OF OWNER(S)*

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

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

Dated: ___________________________________________________________________, 1997

Name(s): _______________________________________________________________________
                                 (Please Print)

Capacity (full title): _________________________________________________________

Address: _______________________________________________________________________
                               (Include Zip Code)

Daytime Area Code and Telephone No.: _________________________________________

* Must be signed by the registered holder(s) exactly as name(s) appear(s) on the
stock  certificate(s)  or  on  a  security  position  listing  or  by  person(s)
authorized  to  become  registered   holder(s)  by  certificates  and  documents
transmitted  herewith.  If signature is by a trustee,  executor,  administrator,
guardian, attorney-in-fact, officer of a corporation or other person acting in a
fiduciary  or  representative  capacity,  please  set forth  full  title and see
Instruction 5.

              GUARANTEE OF SIGNATURE(S) (SEE INSTRUCTIONS 1 AND 5)

Authorized Signature: __________________________________________________________

Name: __________________________________________________________________________

Name of Firm: __________________________________________________________________
                                 (Please Print)

Address of Firm: _______________________________________________________________
                               (Include Zip Code)

Area Code and Telephone No.: ___________________________________________________

Dated: ___________________________________________________________________, 1997





<PAGE>

         IF SELLING SHARES  SUBSEQUENT TO  _____________,  1997, A RECORD HOLDER
MUST COMPLETE THE FOLLOWING IRREVOCABLE PROXY

         PLEASE SIGN THIS TO IRREVOCABLY TRANSFER A PREFERRED STOCK PROXY TO A
SUBSEQUENT HOLDER OF PREFERRED STOCK WHO WAS NOT A HOLDER OF RECORD ON
___________, 1997.


                               IRREVOCABLE PROXY *
                          with respect to shares of the
                  Cumulative Preferred Stock, _____% Series of
                   INDIANAPOLIS POWER & LIGHT COMPANY ("IPL")

                  The undersigned hereby irrevocably appoints:

                    -----------------------------------------
                        Type or Print Name of Transferee

as attorney and proxy,  with full power of  substitution,  to vote and otherwise
act for  and in the  name(s)  of the  undersigned  with  respect  to the  Shares
indicated  below which were held of record by the  undersigned on  ____________,
1997,  in the  manner in which the  undersigned  would be  entitled  to vote and
otherwise act in respect of such Shares on any and all matters.

         This proxy shall be effective whether or not the Shares indicated below
are tendered in the Offer.

         This   instrument   supersedes   and  revokes  any  and  all   previous
appointments of proxies  heretofore made by the undersigned  with respect to the
Shares indicated below as to any and all matters.  THIS PROXY IS IRREVOCABLE AND
IS COUPLED WITH ANY INTEREST.

         All authority  conferred or agreed to be conferred herein shall survive
the  death  or  incapacity  of  the  undersigned,  and  any  obligation  of  the
undersigned   hereunder   shall   be   binding   upon  the   heirs,   executors,
administrators,  legal and personal representatives,  successors in interest and
assigned of the undersigned.  The undersigned understands that tenders of Shares
pursuant to any of the  procedures  described in the Offer to Purchase and Proxy
Statement and in this Letter of Transmittal  and Proxy will constitute a binding
agreement  between  the  undersigned  and IPL upon the terms and  subject to the
conditions of the Offer.

                         DESCRIPTION OF PREFERRED STOCK

         Certificate Number(s)                           Aggregate Number
         (Attach List If Necessary)                          of Shares

         1. ___________________                         _________________

         2. ___________________                         _________________

         3. ___________________                         _________________

                                               Total:   _________________

  *      This irrevocable proxy must be signed on the next page to be effective.

<PAGE>
                                IRREVOCABLE PROXY

                SIGNATURE(S) OF RECORD OR AUTHORIZED SIGNATORY *

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

         -----------------------------------------------------------
                                    (Please Print)

Dated: _______________________________________________ , 1997

Tax Identification or Social Security No(s) ________________________________

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

         -----------------------------------------------------------
                                    (Please Print)

Dated: _______________________________________________ , 1997

Tax Identification or Social Security No(s) ________________________________

* Must be signed by the registered holder(s) exactly as name(s) appear(s) on the
Record Date on the stock  certificate(s) or on a security position listing or by
person(s)   authorized  to  become  registered  holder(s)  by  certificates  and
documents  transmitted  herewith.  If  signature  is  by  a  trustee,  executor,
administrator,  guardian,  attorney-in-fact,  officer of a corporation, agent or
other person acting in a fiduciary or  representative  capacity,  please provide
the following information and see Instruction 5.

              GUARANTEE OF SIGNATURE(S) (SEE INSTRUCTIONS 1 AND 5)

Authorized Signature: __________________________________________________________

Name: __________________________________________________________________________

Capacity (Full Title): ______________________________________________________

Name of Firm: __________________________________________________________________
                                                  (Please Print)

Address of Firm: _______________________________________________________________

                  --------------------------------------------------------------
                                                (Include Zip Code)

Area Code and Telephone No.: ___________________________________________________

Dated: ___________________________________________________________________, 1997

NOTE:             IF SHARES ARE BEING TENDERED, THE REMAINDER OF THIS
                  LETTER OF TRANSMITTAL AND PROXY MUST BE COMPLETED,
                  INCLUDING THE SUBSTITUTE FORM W-9 BELOW OR A FORM W-8, AS
                  APPLICABLE.



<PAGE>
 

         DELIVERY OF THIS LETTER OF  TRANSMITTAL  AND PROXY TO AN ADDRESS  OTHER
THAN AS SET FORTH ABOVE OR TRANSMISSION OF INSTRUCTIONS  VIA A FACSIMILE  NUMBER
OTHER THAN THE ONE LISTED ABOVE WILL NOT CONSTITUTE A VALID  DELIVERY.  YOU MUST
SIGN THIS LETTER OF  TRANSMITTAL  AND PROXY IN THE  APPROPRIATE  SPACE  THEREFOR
PROVIDED ABOVE AND, IF YOU ARE TENDERING ANY SHARES OR VOTING "FOR" THE PROPOSED
AMENDMENT,  COMPLETE THE  SUBSTITUTE  FORM W-9 SET FORTH BELOW OR A FORM W-8, AS
APPLICABLE. SEE INSTRUCTION 8 AND "IMPORTANT TAX INFORMATION" BELOW.

         DO NOT SEND ANY CERTIFICATES TO DILLON,  READ & CO. INC., MERRILL LYNCH
& CO., D.F. KING & CO., INC., IPALCO ENTERPRISES,  INC., OR INDIANAPOLIS POWER &
LIGHT COMPANY.

         THE  INSTRUCTIONS  ACCOMPANYING  THIS LETTER OF  TRANSMITTAL  AND PROXY
SHOULD  BE READ  CAREFULLY  BEFORE  THIS  LETTER  OF  TRANSMITTAL  AND  PROXY IS
COMPLETED.

         This Letter of Transmittal and Proxy is to be used (a) if Shares are to
be voted but not tendered, or (b) if Shares are to be voted and (i) certificates
are to be  forwarded  herewith or (ii)  delivery of tendered  Shares (as defined
below) is to be made by book-entry  transfer to the Depositary's  account at The
Depository  Trust  Company  ("DTC") or  Philadelphia  Depository  Trust  Company
("PDTC")  (hereinafter  collectively  referred  to as the  "Book-Entry  Transfer
Facilities")  pursuant to the  procedures  set forth under the heading "Terms of
the Offer -- Procedure for Tendering  Shares" in the Offer to Purchase and Proxy
Statement (as defined below).

         Preferred Shareholders who wish to tender Shares yet who cannot deliver
their Shares and all other  documents  required  hereby to the Depositary by the
Expiration  Date must tender their Shares  pursuant to the  guaranteed  delivery
procedure  set forth  under the  heading  "Terms of the Offer --  Procedure  for
Tendering Shares -- Guaranteed  Delivery Procedure" in the Offer to Purchase and
Proxy  Statement.  See Instruction 2. DELIVERY OF DOCUMENTS TO IPALCO,  IPL OR A
BOOK-ENTRY TRANSFER FACILITY DOES NOT CONSTITUTE A VALID DELIVERY.



<PAGE>

|_|      CHECK HERE IF TENDERED SHARES ARE ENCLOSED HEREWITH.

         A HOLDER  TENDERING  SHARES  PURSUANT TO THIS LETTER OF TRANSMITTAL AND
PROXY MUST CHECK ONE OF THE FOLLOWING BOXES:

         |_|      A duly completed,  valid and unrevoked proxy indicating a vote
                  "FOR" the Proposed Amendment is included herein.

         |_|      A vote  "FOR"  the  Proposed  Amendment  will  be  cast at the
                  Special Meeting.



               (BOXES BELOW FOR USE BY ELIGIBLE INSTITUTIONS ONLY)

o        CHECK  HERE IF  TENDERED  SHARES  ARE  BEING  DELIVERED  BY  BOOK-ENTRY
         TRANSFER TO THE DEPOSITARY'S  ACCOUNT AT ONE OF THE BOOK-ENTRY TRANSFER
         FACILITIES AND COMPLETE THE FOLLOWING:

         Name of tendering institution: _______________________________________
                                                      (Please Print)
         Check applicable box:      o  DTC  o  PDTC

         Account No. ____________________________________________________

         Transaction Code No. ____________________________________________

o        CHECK HERE IF TENDERED SHARES ARE BEING DELIVERED  PURSUANT TO A NOTICE
         OF GUARANTEED  DELIVERY AND PROXY PREVIOUSLY SENT TO THE DEPOSITARY AND
         COMPLETE THE FOLLOWING:

         Name(s) of tendering shareholder(s): __________________________________

         -----------------------------------------------------------------------
                                (Please Print)

         Date of execution of Notice of Guaranteed Delivery and Proxy: _________

         Name of institution that guaranteed delivery: ______________________

         If delivery is by book-entry transfer:

                  Name of tendering institution: ______________________________

                  Account No. _______________________________ at o DTC or o PDTC
                                     (Check One)

                  Transaction Code No. _________________________________________


         A HOLDER  ELECTING TO TENDER SHARES  PURSUANT TO A NOTICE OF GUARANTEED
DELIVERY AND PROXY MUST CHECK ONE OF THE FOLLOWING BOXES:

         |_|      A duly completed,  valid and unrevoked proxy indicating a vote
                  "FOR" the Proposed  Amendment  was included with the Notice of
                  Guaranteed   Delivery  and  Proxy   previously   sent  to  the
                  Depositary.

         |_|      A duly completed,  valid and unrevoked proxy indicating a vote
                  "FOR" the Proposed  Amendment is being delivered pursuant to a
                  Notice of Guaranteed Delivery and Proxy previously sent to the
                  Depositary.

         |_|      A vote  "FOR"  the  Proposed  Amendment  will  be  cast at the
                  Special Meeting.



<PAGE>

                    NOTE: SIGNATURES MUST BE PROVIDED ABOVE.
              PLEASE READ THE ACCOMPANYING INSTRUCTIONS CAREFULLY.

Ladies and Gentlemen:

         The abovesigned hereby tenders to IPALCO Enterprises,  Inc., an Indiana
corporation  ("IPALCO"),  the  shares in the  amount  set forth in the box above
labeled  "Description of Shares Tendered" pursuant to IPALCO's offer to purchase
any and all of the  outstanding  shares of the  series of  cumulative  preferred
stock of Indianapolis Power & Light Company,  an Indiana  corporation and direct
subsidiary  of IPALCO  ("IPL"),  shown on the first page hereof as to which this
Letter of  Transmittal  and Proxy is applicable  (the  "Shares") at the purchase
price per Share shown on the first page hereof (the  "Purchase  Price"),  net to
the seller in cash,  upon the terms and subject to the  conditions  set forth in
the Offer to Purchase and Proxy Statement,  dated _________, 1997 (the "Offer to
Purchase and Proxy Statement"),  receipt of which is hereby acknowledged, and in
this Letter of Transmittal and Proxy (which as to the Shares,  together with the
Offer to Purchase  and Proxy  Statement,  constitutes  the  "Offer").  PREFERRED
SHAREHOLDERS  WHO WISH TO TENDER THEIR SHARES PURSUANT TO THE OFFER MUST VOTE IN
FAVOR OF THE PROPOSED  AMENDMENT TO IPL'S AMENDED ARTICLES OF INCORPORATION,  AS
SET  FORTH  IN  THE  OFFER  TO  PURCHASE  AND  PROXY  STATEMENT  (THE  "PROPOSED
AMENDMENT"). THE OFFER IS CONDITIONED UPON THE PROPOSED AMENDMENT BEING APPROVED
AND  ADOPTED AT THE SPECIAL  MEETING  (AS  DEFINED IN THE OFFER TO PURCHASE  AND
PROXY STATEMENT). See "Proposed Amendment and Proxy Solicitation," "Terms of the
Offer -- Extension of Tender Period; Termination;  Amendments" and "Terms of the
Offer -- Certain  Conditions  of the Offer" in the Offer to  Purchase  and Proxy
Statement.

         Subject to, and effective  upon,  acceptance for payment of and payment
for the Shares tendered herewith in accordance with the terms and subject to the
conditions  of the Offer  (including,  if the Offer is extended or amended,  the
terms and conditions of any such extension or amendment), the abovesigned hereby
sells,  assigns and transfers to, or upon the order of, IPALCO all right,  title
and interest in and to all the Shares that are being tendered  hereby and hereby
constitutes  and appoints IBJ Schroder Bank & Trust  Company (the  "Depositary")
the true and lawful agent and  attorney-in-fact  of the abovesigned with respect
to such Shares, with full power of substitution (such power of attorney being an
irrevocable  power coupled with an interest),  to (a) deliver  certificates  for
such  Shares,  or  transfer  ownership  of  such  Shares  on the  account  books
maintained by any of the Book-Entry Transfer Facilities,  together,  in any such
case, with all accompanying  evidences of transfer and authenticity,  to or upon
the order of IPALCO,  (b) present such Shares for  registration  and transfer on
the books of IPL and (c) receive all benefits and otherwise  exercise all rights
of beneficial  ownership of such Shares, all in accordance with the terms of the
Offer.



<PAGE>

         The abovesigned hereby represents and warrants that the abovesigned has
full  power and  authority  to tender,  sell,  assign  and  transfer  the Shares
tendered  hereby  and that,  when and to the extent  the same are  accepted  for
payment by IPALCO,  IPALCO will acquire good,  marketable and unencumbered title
thereto,  free and  clear of all  liens,  restrictions,  charges,  encumbrances,
conditional  sales  agreements  or  other  obligations  relating  to the sale or
transfer  thereof,  and the same will not be subject to any adverse claims.  The
abovesigned  will,  upon request,  execute and deliver any additional  documents
deemed by the  Depositary or IPALCO to be necessary or desirable to complete the
sale, assignment and transfer of the Shares tendered hereby.

         All authority  herein  conferred or agreed to be conferred shall not be
affected by, and shall survive, the death or incapacity of the abovesigned,  and
any  obligations of the  abovesigned  hereunder shall be binding upon the heirs,
personal representatives,  successors and assigns of the abovesigned.  Except as
stated in the Offer, this tender is irrevocable.

         The abovesigned  understands that tenders of Shares pursuant to any one
of the procedures  described  under the heading "Terms of the Offer -- Procedure
for  Tendering  Shares" in the Offer to Purchase and Proxy  Statement and in the
instructions  hereto will constitute the  abovesigned's  acceptance of the terms
and  conditions of the Offer,  including the  abovesigned's  representation  and
warranty  that (a) the  abovesigned  has a net long position in the Shares being
tendered  within  the  meaning of Rule 14e-4  promulgated  under the  Securities
Exchange  Act of 1934,  as amended,  and (b) the tender of such Shares  complies
with Rule 14e-4.  IPALCO's acceptance for payment of Shares tendered pursuant to
the Offer will constitute a binding agreement between the abovesigned and IPALCO
upon the terms and subject to the conditions of the Offer.

         The abovesigned  recognizes that, under certain circumstances set forth
in the Offer to Purchase and Proxy Statement,  IPALCO may terminate or amend the
Offer or may not be required to purchase any of the Shares tendered  hereby.  In
either event, the abovesigned understands that certificate(s) for any Shares not
tendered or not purchased will be returned to the abovesigned.

         Unless otherwise  indicated in the box below under the heading "Special
Payment  Instructions,"  please  issue the check for the  Purchase  Price of any
Shares purchased, and/or return any Shares not tendered or not purchased, in the
name(s) of the  abovesigned  (and, in the case of Shares  tendered by book-entry
transfer,  by  credit  to  the  account  at  the  Book-Entry  Transfer  Facility
designated above). Unless otherwise indicated in the box below under the heading
"Special Delivery Instructions," please mail the check for the Purchase Price of
any Shares  purchased  and/or any  certificates  for Shares not  tendered or not
purchased (and accompanying documents, as appropriate) to the abovesigned at the
address  shown  below  the  abovesigned  signature(s).  In the  event  that both
"Special  Payment   Instructions"  and  "Special   Delivery   Instructions"  are
completed, please issue the check for the Purchase Price of any Shares purchased
and/or  return any Shares not  tendered or not  purchased in the name(s) of, and
mail said check and/or any  certificates  to, the  person(s) so  indicated.  The
abovesigned  recognizes that IPALCO has no obligation,  pursuant to the "Special
Payment  Instructions,"  to transfer any Shares from the name of the  registered
holder(s)  thereof if IPALCO  does not accept for  payment  any of the Shares so
tendered.



<PAGE>


  SPECIAL PAYMENT INSTRUCTIONS                    SPECIAL DELIVERY INSTRUCTIONS
See  Instructions  4, 6, and 7                    See  Instructions 4, 6, and 7

To be  completed  ONLY  if the                   To be  completed  ONLY  if the
check for  the  Purchase Price                   check for the  Purchase  Price
of Shares   purchased   and/or                   of  Shares   purchased  and/or
certificates  for  Shares  not                   certificates  for  Shares  not
tendered or not  purchased are                   tendered or not  purchased are
to be  issued  in the  name of                   to be mailed to someone  other
someone    other    than   the                   than  the  abovesigned  at  an
abovesigned.                                     address  other than that shown
                                                 below    the     abovesigned's
                                                 signature(s).

Name___________________________             Mail  o Check   o Certificate(s) to:
             (Please Print)
Address________________________             Name_______________________________
                                 (Please Print)
- -------------------------------
        (Include Zip Code)                  Address_____________________________



(Tax Identification or Social                   (Include Zip Code)
Security Number)*
* See Substitute Form W-9 Below.

o        CHECK HERE IF ANY OF THE CERTIFICATES  REPRESENTING SHARES THAT YOU OWN
         AND  WISH  TO  TENDER  HAVE  BEEN  LOST,   DESTROYED  OR  STOLEN.  (SEE
         INSTRUCTION 12.)

         Number of Shares represented by lost, destroyed or stolen certificates:
         --------------



<PAGE>



                                SOLICITED TENDERS
                              (SEE INSTRUCTION 10)

         As  provided  in  Instruction  10,  IPALCO  will pay to any  Soliciting
Dealer,  as defined in  Instruction  10, a  solicitation  fee of $____ per Share
(except that for transactions for beneficial  owners equal to or exceeding _____
Shares,  IPALCO  will pay a  solicitation  fee of $___ per Share) for any Shares
tendered,  accepted  for  payment and paid  pursuant  to the Offer,  and for all
Shares  voted in favor  of the  Proposed  Amendment,  whether  or not  tendered.
Solicitation  fees payable in transactions  for beneficial  owners of _______ or
more Shares shall be paid 80% to the Dealer  Managers and 20% to the  Soliciting
Dealers (which may be a Dealer Manager). However, Soliciting Dealers will not be
entitled to a solicitation fee for Shares  beneficially owned by such Soliciting
Dealer.

         The undersigned  represents that the Soliciting  Dealer which solicited
and obtained this tender is:

Name of Firm: __________________________________________________________________
                                 (Please Print)

Name of Individual Broker or Financial Consultant: _____________________________

Telephone Number of Broker or Financial Consultant: ____________________________

Identification Number (if known): ______________________________________________

Address: _______________________________________________________________________

               -----------------------------------------------------
                               (Include Zip Code)

         The following to be completed ONLY if customer's Shares held in nominee
name are tendered. (ATTACH ADDITIONAL LIST IF NECESSARY.)


      Name of Beneficial Owner                  Number of Shares Tendered
- ----------------------------------           ----------------------------------

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

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

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


         The  acceptance  of  compensation   by  such  Soliciting   Dealer  will
constitute a  representation  by it that (a) it has complied with the applicable
requirements  of the  Securities  Exchange  Act of  1934,  as  amended,  and the
applicable   rules  and   regulations   thereunder,   in  connection  with  such
solicitation;  (b) it is entitled  to such  compensation  for such  solicitation
under the terms and  conditions  of the  Offer;  (c) in  soliciting  tenders  of
Shares,  it has used no  soliciting  materials  other  than those  furnished  by
IPALCO;  and (d) if it is a foreign broker or dealer not eligible for membership
in the National  Association of Securities  Dealers,  Inc. (the "NASD"),  it has
agreed to conform to the NASD's Rules of Fair Practice in making solicitations.

         The payment of  compensation  to any Soliciting  Dealer is dependent on
such  Soliciting   Dealer  returning  a  Notice  of  Solicited  Tenders  to  the
Depositary.

           (IF SHARES ARE BEING TENDERED AND/OR VOTED, PLEASE COMPLETE
             SUBSTITUTE FORM W-9 BELOW OR A FORM W-8, AS APPLICABLE)


SIGN HERE: _____________________________________________________________________

           _____________________________________________________________________
                           (Signature(s) of Owner(s))



<PAGE>

                                  INSTRUCTIONS

              Forming Part of the Terms and Conditions of the Offer

         1. Guarantee of Signatures.  Except as otherwise  provided  below,  all
signatures on this Letter of Transmittal  and Proxy must be guaranteed by a firm
that is a member of a registered  national  securities  exchange or the National
Association  of  Securities  Dealers,  Inc.,  or by a  commercial  bank or trust
company  having an office  or  correspondent  in the  United  States  which is a
participant in an approved Signature  Guarantee  Medallion Program (an "Eligible
Institution").  Signatures on this Letter of  Transmittal  and Proxy need not be
guaranteed  (a) if this  Letter  of  Transmittal  and  Proxy  is  signed  by the
registered  holder(s) of the Shares (which term,  for purposes of this document,
shall include any participant in one of the Book-Entry Transfer Facilities whose
name  appears on a security  position  listing as the owner of Shares)  tendered
herewith and such  holder(s)  has not  completed the box above under the heading
"Special  Payment  Instructions"  or the box above  under the  heading  "Special
Delivery  Instructions"  on this Letter of  Transmittal  and Proxy,  (b) if such
Shares are  tendered for the account of an Eligible  Institution  or (c) if this
Letter of  Transmittal  and Proxy is being used solely for the purpose of voting
Shares which are not being tendered pursuant to the Offer. See Instruction 5.



<PAGE>
         2. Delivery of Letter of Transmittal and Proxy and Shares.  This Letter
of Transmittal and Proxy is to be used if (a)  certificates  are to be forwarded
herewith,  (b) delivery of Shares is to be made by book-entry  transfer pursuant
to the  procedures  set forth under the heading "Terms of the Offer -- Procedure
for Tendering Shares" in the Offer to Purchase and Proxy Statement or (c) Shares
are being voted in connection  with the Offer.  Certificates  for all physically
delivered  Shares,  or  a  confirmation  of  a  book-entry   transfer  into  the
Depositary's  account at one of the Book-Entry Transfer Facilities of all Shares
delivered  electronically,  as well as a properly  completed  and duly  executed
Letter of Transmittal  and Proxy (or facsimile  thereof) and any other documents
required  by this  Letter of  Transmittal  and Proxy,  must be  received  by the
Depositary at one of its addresses set forth on the front page of this Letter of
Transmittal  and Proxy on or prior to the  Expiration  Date with  respect to all
Shares.  Preferred  Shareholders  who wish to tender their Shares yet who cannot
deliver their Shares and all other  required  documents to the  Depositary on or
prior to the Expiration Date must tender their Shares pursuant to the guaranteed
delivery  procedure set forth under the heading "Terms of the Offer -- Procedure
for Tendering Shares" in the Offer to Purchase and Proxy Statement.  Pursuant to
such  procedure:  (i)  such  tender  must  be  made by or  through  an  Eligible
Institution,  (ii) a properly  completed and duly executed  Notice of Guaranteed
Delivery and Proxy in the form  provided by IPALCO (with any required  signature
guarantees)  must be received by the  Depositary  on or prior to the  applicable
Expiration Date and (iii) the certificates for all physically  delivered Shares,
or a confirmation of a book-entry transfer into the Depositary's  account at one
of the Book-Entry Transfer Facilities of all Shares delivered electronically, as
well as a properly  completed and duly executed  Letter of Transmittal and Proxy
(or  facsimile  thereof)  and any other  documents  required  by this  Letter of
Transmittal  and Proxy must be received by the Depositary by 5:00 p.m. (New York
City time) within three New York Stock Exchange  ("NYSE") trading days after the
date of  execution  of such  Notice of  Guaranteed  Delivery  and Proxy,  all as
provided  under  the  heading  "Terms of the Offer --  Procedure  for  Tendering
Shares" in the Offer to Purchase and Proxy Statement.  A NYSE trading day is any
day on which the NYSE is open for business.

         THE METHOD OF DELIVERY OF SHARES AND ALL OTHER REQUIRED DOCUMENTS IS AT
THE OPTION AND RISK OF THE TENDERING PREFERRED SHAREHOLDER.  IF CERTIFICATES FOR
SHARES ARE SENT BY MAIL, REGISTERED MAIL WITH RETURN RECEIPT REQUESTED, PROPERLY
INSURED, IS RECOMMENDED.

         No alternative, conditional or contingent tenders will be accepted. See
"Terms of the  Offer --  Number of  Shares;  Purchase  Price;  Expiration  Date;
Dividends"  in the Offer to Purchase  and Proxy  Statement.  By  executing  this
Letter  of  Transmittal  and  Proxy  (or  facsimile   thereof),   the  tendering
shareholder waives any right to receive any notice of the acceptance for payment
of the Shares.

         3. Voting. PREFERRED SHAREHOLDERS (INCLUDING PREFERRED SHAREHOLDERS WHO
ACQUIRE  SHARES  SUBSEQUENT  TO THE RECORD DATE) WHO WISH TO TENDER THEIR SHARES
PURSUANT  TO THE OFFER  MUST VOTE IN FAVOR OF THE  PROPOSED  AMENDMENT  TO IPL'S
AMENDED  ARTICLES OF  INCORPORATION,  AS SET FORTH IN THE OFFER TO PURCHASE  AND
PROXY STATEMENT (THE "PROPOSED  AMENDMENT").  THE OFFER IS CONDITIONED  UPON THE
PROPOSED AMENDMENT BEING APPROVED AND ADOPTED AT THE SPECIAL MEETING (AS DEFINED
IN  THE  OFFER  TO  PURCHASE  AND  PROXY  STATEMENT).  In  addition,   Preferred
Shareholders  have the right to vote on the  Proposed  Amendment  regardless  of
whether they tender their Shares by casting their vote and duly  executing  this
Letter of Transmittal  and Proxy or by voting in person at the Special  Meeting.
By executing a Notice of Guaranteed Delivery and Proxy, a Preferred  Shareholder
is deemed to have  tendered the Shares  described  in such Notice of  Guaranteed
Delivery  and Proxy and to have voted such Shares in  accordance  with the proxy
contained  therein.  If no vote is indicated on an otherwise  properly  executed
proxy contained  within this Letter of Transmittal and Proxy (or within a Notice
of Guaranteed Delivery and Proxy), then all Shares in respect of such proxy will
be voted in favor of the Proposed  Amendment.  See "Proposed Amendment and Proxy
Solicitation" in the Offer to Purchase and Proxy  Statement.  The Offer is being
sent to all persons in whose names Shares are  registered on the books of IPL on
_________,  1997.  Preferred  Shareholders  who  purchase  or whose  purchase is
registered  after the  Record  Date and who wish to  tender  in the  Offer  must
arrange  with  their  seller to receive a proxy from the holder of record on the
Record  Date of such  Shares.  Any holder of Shares held of record on the Record
Date in the name of another holder must establish to the satisfaction of IPL his
or her  entitlement  to exercise or transfer  such Proxy.  This will  ordinarily
require an assignment by such record holder in blank, or if not in blank, to and
from each  successive  transferee,  including the holder,  which each  signature
guaranteed by an Eligible Institution. See Instruction 5. In order to facilitate
receipt  of  proxies,   Shares   shall,   during  the  period  which   commences
____________,  1997 (two  business days prior to the Record Date) and which will
end  at  the  close  of  business  on  the   Expiration   Date,   trade  in  the
over-the-counter  market with a proxy providing the transferee with the right to
vote such acquired shares in the Proxy Solicitation. No record date is fixed for
determining  which persons are  permitted to tender  Shares.  However,  only the
holders  of record,  or holders  who  acquire an  assignment  of proxy from such
holders,  are permitted to vote for the Proposed  Amendment and thereby  validly
tender Shares pursuant to the Offer.  Any person who is the beneficial owner but
not the record  holder of Shares must  arrange  for the record  transfer of such
Shares prior to tendering or direct the record holder to tender on behalf of the
beneficial holder.
<PAGE>

         4.  Partial  Tenders.  NOT  APPLICABLE  TO  SHAREHOLDERS  WHO TENDER BY
BOOK-ENTRY TRANSFER. If fewer than all the Shares represented by any certificate
delivered to the  Depositary  are to be  tendered,  fill in the number of Shares
that are to be  tendered  in the box above  under the  heading  "Description  of
Shares  Tendered."  In such case,  a new  certificate  for the  remainder of the
Shares  represented by the old certificate will be sent to the person(s) signing
this Letter of Transmittal and Proxy, unless otherwise provided in the box above
under  the  heading   "Special  Payment   Instructions"  or  "Special   Delivery
Instructions,"   as  promptly  as   practicable   following  the  expiration  or
termination of the Offer.  All Shares  represented by certificates  delivered to
the Depositary will be deemed to have been tendered unless otherwise indicated.

          5.  Signatures  on Letter of  Transmittal  and Proxy and/or  Notice of
Guaranteed  Delivery and Proxy;  Stock Powers and  Endorsements.  If either this
Letter of Transmittal  and Proxy or the Notice of Guaranteed  Delivery and Proxy
(together,  the  "Tender  and Proxy  Documents")  is  signed  by the  registered
holder(s) of the Shares tendered hereby,  the signature(s)  must correspond with
the  name(s)  as  written on the face of the  certificates  without  alteration,
enlargement or any change whatsoever.

         If any of the Shares  tendered or voted under  either  Tender and Proxy
Document is held of record by two or more  persons,  all such  persons must sign
such  Tender and Proxy  Document.  If any of the Shares  tendered or voted under
either Tender and Proxy  Document is registered in different  names or different
certificates, it will be necessary to complete, sign and submit as many separate
applicable  Tender and Proxy Documents as there are different  registrations  of
certificates.

         If either  Tender  and  Proxy  Document  is  signed  by the  registered
holder(s) of the Shares  tendered  hereby,  no  endorsements  of certificates or
separate stock powers are required unless payment of the Purchase Price is to be
made to, or Shares not tendered or not  purchased  are to be  registered  in the
name of, any person other than the registered holder(s).  Signatures on any such
certificates or stock powers must be guaranteed by an Eligible Institution.  See
Instruction 1.

         If this  Letter of  Transmittal  and Proxy is signed by a person  other
than the registered  holder(s) of the Shares tendered hereby,  certificates must
be endorsed or accompanied by appropriate  stock powers,  in either case, signed
exactly as the name(s) of the registered holder(s) appear(s) on the certificates
for such Shares.  Signature(s) on any such  certificates or stock powers must be
guaranteed by an Eligible Institution. See Instruction 1.

         If either Tender and Proxy  Document or any  certificate or stock power
is signed by a trustee,  executor,  administrator,  guardian,  attorney-in-fact,
officer of a corporation or other person acting in a fiduciary or representative
capacity,  such person  should so indicate  when  signing,  and proper  evidence
satisfactory  to  IPALCO  of the  authority  of such  person  so to act  must be
submitted.



<PAGE>

         6. Stock  Transfer  Taxes.  Except as set forth in this  Instruction 6,
IPALCO will pay or cause to be paid any stock transfer taxes with respect to the
sale and  transfer of any Shares to it or its order  pursuant to the Offer.  If,
however,  payment of the Purchase Price is to be made to, or Shares not tendered
or not  purchased are to be registered in the name of, any person other than the
registered  holder(s),  or if tendered  Shares are registered in the name of any
person other than the person(s)  signing this Letter of  Transmittal  and Proxy,
the  amount of any stock  transfer  taxes  (whether  imposed  on the  registered
holder(s), such other person or otherwise) payable on account of the transfer to
such  person  will be  deducted  from the  Purchase  Price  unless  satisfactory
evidence of the payment of such taxes,  or exemption  therefrom,  is  submitted.
Each Preferred  Shareholder  will be responsible  for paying any income or gross
receipts taxes imposed by any jurisdiction by reason of the Special Cash Payment
(as defined in the Offer to Purchase and Proxy Statement) and/or the sale of the
Shares in the Offer. See "Terms of the Offer -- Acceptance of Shares for Payment
and Payment of Purchase Price" and "Certain Federal Income Tax  Consequences" in
the  Offer  to  Purchase  and  Proxy  Statement.  EXCEPT  AS  PROVIDED  IN  THIS
INSTRUCTION  6, IT WILL NOT BE  NECESSARY  TO AFFIX  TRANSFER  TAX STAMPS TO THE
CERTIFICATES REPRESENTING SHARES TENDERED HEREBY.

         7.  Special  Payment and  Delivery  Instructions.  If the check for the
Purchase  Price of any  Shares  purchased  is to be issued  in the name of,  any
Shares not tendered or not purchased are to be returned to, and/or the check for
the Special Cash Payment is to be issued in the name of, a person other than the
person(s)  signing this Letter of  Transmittal  and Proxy or if the check and/or
any  certificate  for Shares not tendered or not  purchased  are to be mailed to
someone other than the person(s) signing this Letter of Transmittal and Proxy or
to an  address  other  than  that  shown  in the box  above  under  the  heading
"Description of Shares Tendered," then the "Special Payment Instructions" and/or
"Special  Delivery  Instructions" on this Letter of Transmittal and Proxy should
be completed.  Preferred  Shareholders  tendering Shares by book-entry  transfer
will have any Shares not accepted for payment  returned by crediting the account
maintained by such Preferred  Shareholder at the  Book-Entry  Transfer  Facility
from which such transfer was made.

         8.  Substitute  Form W-9 and Form  W-8.  The  tendering  and/or  voting
Preferred  Shareholder  is  required  to provide  the  Depositary  with either a
correct Taxpayer  Identification Number ("TIN") on Substitute Form W-9, which is
provided under "Important Tax Information"  below, or a properly  completed Form
W-8.  Failure to provide the  information on either  Substitute Form W-9 or Form
W-8 may subject the tendering and/or voting Preferred Shareholder to 31% federal
income tax backup  withholding  on the  payment  of the  Purchase  Price for the
Shares or on the Special Cash  Payment.  The tendering  and/or voting  Preferred
Shareholder  may write  "Applied For" in Part I of Substitute  Form W-9 and sign
the "Certificate of Awaiting Taxpayer  Identification Number" of Substitute Form
W-9 if he or she has not been  issued  a TIN and has  applied  for a  number  or
intends to apply for a number in the near future. If "Applied For" is written in
Part I of  Substitute  Form  W-9  and  the  "Certificate  of  Awaiting  Taxpayer
Identification  Number" of Substitute  Form W-9 is signed and the  Depositary is
not provided with a TIN by the time of payment, the Depositary will withhold 31%
on all payments of the Purchase Price for the Shares or the Special Cash Payment
thereafter until a TIN is provided to the Depositary.

         9.  Requests for  Assistance  or  Additional  Copies.  Any questions or
requests for assistance may be directed to the  Information  Agent or the Dealer
Managers at their  respective  telephone  numbers and  addresses  listed  below.
Requests for  additional  copies of the Offer to Purchase  and Proxy  Statement,
this Letter of  Transmittal  and Proxy,  or other tender offer  materials may be
directed to the Information Agent or the Dealer Managers and such copies will be
furnished promptly at IPALCO's expense.  Preferred Shareholders may also contact
their local broker,  dealer,  commercial  bank or trust  company for  assistance
concerning the Offer.



<PAGE>

         10. Solicited Tenders.  IPALCO will pay a solicitation fee of $____ per
Share (except that for transactions for beneficial  owners equal to or exceeding
______  Shares,  IPALCO will pay a  solicitation  fee of $___ per Share) for any
Shares  tendered,  accepted for payment and paid pursuant to the Offer,  and for
all Shares  voted in favor of the  Proposed  Amendment,  whether or not tendered
(with solicitation fees in transactions for beneficial owners of _______ or more
Shares  being  payable  80% to the  Dealer  Managers  and 20% to the  Soliciting
Dealers (which may be a Dealer  Manager)),  covered by the Letter of Transmittal
and Proxy which  designates,  under the  heading  "Solicited  Tenders"  above as
having  solicited and obtained the tender,  the name of (a) any broker or dealer
in  securities,  including the Dealer  Managers in their capacity as a dealer or
broker, which is a member of any national securities exchange or of the National
Association of Securities Dealers,  Inc. (the "NASD"), (b) any foreign broker or
dealer not  eligible for  membership  in the NASD which agrees to conform to the
NASD's Rules of Fair Practice in soliciting tenders outside the United States to
the same  extent  as  though  it were an NASD  member,  or (c) any bank or trust
company  (each of which is  referred  to herein as a  "Soliciting  Dealer").  No
solicitation  fee or separate fee (other than  solicitation  fees payable to the
Dealer Managers as provided above) shall be payable to a Soliciting  Dealer with
respect  to the  tender of Shares or the vote of Shares by a holder  unless  the
Letter of Transmittal  and Proxy  accompanying  such tender or vote, as the case
may be,  designates such Soliciting  Dealer. No solicitation fee or separate fee
shall be payable to a Soliciting  Dealer in respect of Shares  registered in the
name of such  Soliciting  Dealer unless such Shares are held by such  Soliciting
Dealer as nominee and such Shares are being tendered or voted for the benefit of
one or more beneficial  owners identified on the Letter of Transmittal and Proxy
or on the Notice of Solicited Tenders. No solicitation fee or separate fee shall
be payable to a Soliciting  Dealer if such Soliciting Dealer is required for any
reason to transfer  the amount of such fee to a  depositing  holder  (other than
itself).  No solicitation fee shall be paid to a Soliciting  Dealer with respect
to Shares tendered for such Soliciting  Dealer's own account and no separate fee
shall be paid to a  Soliciting  Dealer  with  respect  to Shares  voted for such
Soliciting  Dealer's own account. A Soliciting Dealer shall not be entitled to a
solicitation  fee or a  separate  fee  for  Shares  beneficially  owned  by such
Soliciting Dealer. No broker,  dealer, bank, trust company or fiduciary shall be
deemed to be the agent of IPALCO,  IPL, the  Depositary,  the Dealer Managers or
the Information Agent for purposes of the Offer.

         Soliciting  Dealers will include any of the organizations  described in
clauses (a), (b) and (c) above even when the activities of such organizations in
connection  with the Offer consist  solely of  forwarding  to clients  materials
relating  to the  Offer,  including  the  Letter  of  Transmittal  and Proxy and
tendering Shares as directed by beneficial owners thereof.  No Soliciting Dealer
is  required  to make any  recommendation  to holders of Shares as to whether to
tender or refrain from tendering in the Offer.  No assumption is made, in making
payment to any Soliciting  Dealer,  that its  activities in connection  with the
Offer  included any activities  other than those  described  above,  and for all
purposes noted in all materials  relating to the Offer, the term "solicit" shall
be deemed to mean no more than  "processing  shares  tendered" or "forwarding to
customers materials regarding the Offer."

         11.  Irregularities.  All questions as to the form of documents and the
validity,  eligibility  (including time of receipt) and acceptance of any tender
of  Shares  will be  determined  by  IPALCO,  in its  sole  discretion,  and its
determination shall be final and binding.  IPALCO reserves the absolute right to
reject any and all tenders of Shares that it  determines  are not in proper form
or the  acceptance for payment of or payment for Shares that may, in the opinion
of IPALCO's  counsel,  be unlawful.  IPALCO also reserves the absolute  right to
waive any of the  conditions to the Offer or any defect or  irregularity  in any
tender of Shares and IPALCO's  interpretation of the terms and conditions of the
Offer (including these instructions) shall be final and binding.  Unless waived,
any defects or  irregularities  in connection  with tenders must be cured within
such time as IPALCO shall determine.  None of IPALCO,  the Dealer Managers,  the
Depositary, the Information Agent or any other person shall be under any duty to
give notice of any defect or irregularity in tenders nor shall any of them incur
any liability for failure to give any such notice. Tenders will not be deemed to
have been made until all defects and irregularities have been cured or waived.



<PAGE>

         12.  Lost,  Destroyed  or  Stolen  Certificates.   If  any  certificate
representing   Shares  has  been  lost,   destroyed  or  stolen,  the  Preferred
Shareholder  should  promptly  notify the  Depositary  by checking the box above
immediately  following  the  "Special  Payment   Instructions/Special   Delivery
Instructions" and indicating the number of Shares lost, destroyed or stolen. The
Preferred  Shareholder will then be instructed as to the procedures that must be
taken in order to replace the certificate. The tender of Shares pursuant to this
Letter of Transmittal and Proxy will not be valid unless prior to the Expiration
Date: (a) such procedures have been completed and a replacement  certificate for
the Shares has been  delivered to the  Depositary  or (b) a Notice of Guaranteed
Delivery and Proxy has been delivered to the Depositary. See Instruction 2.


IMPORTANT:  THIS LETTER OF  TRANSMITTAL  AND PROXY (OR A FACSIMILE COPY HEREOF),
DULY EXECUTED,  TOGETHER WITH, IF APPLICABLE,  CERTIFICATES  OR  CONFIRMATION OF
BOOK-ENTRY  TRANSFER,  AND ALL OTHER REQUIRED  DOCUMENTS MUST BE RECEIVED BY THE
DEPOSITARY,  OR, IF APPLICABLE, THE NOTICE OF GUARANTEED DELIVERY AND PROXY MUST
BE RECEIVED BY THE DEPOSITARY, ON OR PRIOR TO THE APPLICABLE EXPIRATION DATE.

                            IMPORTANT TAX INFORMATION

         Under federal  income tax law, a Preferred  Shareholder  whose tendered
Shares are  accepted for payment or who will receive a Special Cash Payment as a
result of voting in favor of the  Proposed  Amendment is required to provide the
Depositary  (as payer) with either such Preferred  Shareholder's  correct TIN on
Substitute  Form W-9 below or a properly  completed  Form W-8. If such Preferred
Shareholder is an individual,  the TIN is his or her social security number. For
businesses and other entities, the number is the federal employer identification
number.  If the  Depositary  is not  provided  with the  correct TIN or properly
completed  Form W-8, the Preferred  Shareholder  may be subject to a $50 penalty
imposed by the Internal Revenue Service. In addition, (a) payments that are made
to such Preferred  Shareholder with respect to Shares purchased  pursuant to the
Offer or (b) Special Cash Payments made to a Preferred  Shareholder with respect
to Shares  voted  pursuant  to the proxy  solicitation  may be subject to backup
withholding.  The Form W-8 can be obtained from the Depositary. See the enclosed
"Guidelines for  Certification of Taxpayer  Identification  Number on Substitute
Form W-9" below for additional instructions.

         If federal  income tax backup  withholding  applies,  the Depositary is
required to withhold  31% of any  payments  made to the  Preferred  Shareholder.
Backup  withholding  is not an additional  tax.  Rather,  the federal income tax
liability of persons subject to backup withholding will be reduced by the amount
of the tax withheld. If withholding results in an overpayment of taxes, a refund
may be obtained.

Purpose of Substitute Form W-9 and Form W-8

         To avoid backup  withholding  on payments  that are made to a Preferred
Shareholder with respect to Shares purchased pursuant to the Offer or on Special
Cash Payments, the Preferred Shareholder is required to notify the Depositary of
his or her correct TIN by completing  the Substitute  Form W-9 below  certifying
that  the TIN  provided  on  Substitute  Form  W-9 is  correct  and that (a) the
Preferred Shareholder has not been notified by the Internal Revenue Service that

<PAGE>

he or she is  subject to federal  income tax backup  withholding  as a result of
failure to report all interest or dividends or (b) the Internal  Revenue Service
has notified the Preferred  Shareholder  that he or she is no longer  subject to
federal  income tax backup  withholding.  Foreign  Preferred  Shareholders  must
submit a properly  completed  Form W-8 in order to avoid the  applicable  backup
withholding;  provided,  however,  that  backup  withholding  will not  apply to
foreign Preferred Shareholders subject to 30% (or lower treaty rate) withholding
on  gross  payments  received  pursuant  to the  Offer  or on the  Special  Cash
Payments.

What Number to Give the Depositary

         The Preferred Shareholder is required to give the Depositary the social
security number or employer identification number of the registered owner of the
Shares.  If the  Shares  are in more than one name or are not in the name of the
actual  owner,   consult  the   "Guidelines   for   Certification   of  Taxpayer
Identification  Number on Substitute Form W-9" below for additional  guidance on
which number to report.


<PAGE>
SEE  "GUIDELINES  FOR  CERTIFICATION  OF  TAXPAYER   IDENTIFICATION   NUMBER  ON
SUBSTITUTE FORM W-9" BELOW FOR ADDITIONAL INSTRUCTIONS.

                               SUBSTITUTE FORM W-9
                 PAYER'S NAME: IBJ Schroder Bank & Trust Company
<TABLE>
<CAPTION>
- ---------------------------------------------------------------------------------------
<S>                           <C>                           <C>

        SUBSTITUTE             Part I --  PLEASE  PROVIDE      Social Security Number or
         FORM W-9              YOUR  TIN IN  THE  BOX AT      Employer Identification
                               RIGHT  AND   CERTIFY   BY               Number
   Payer's Request for         SIGNING AND DATING BELOW:      (If Awaiting TIN write
 Taxpayer Identification       -------------------------          "Applied for")
       Number (TIN)
                                                             Part II -- For  Payees NOT
 Department of the Treasury                                  subject     to     backup
 Internal Revenue Service                                    withholding,    see   the
                                                             "Guidelines           for
                               --------------------------    Certification of Taxpayer
                               NAME (Please Print)           Identification  Number on
                                                             Substitute    Form   W-9"
                               --------------------------    below  and   complete  as
                               ADDRESS                       instructed therein.

                               ---------------------------
                               CITY     STATE     ZIP CODE
- --------------------------------------------------------------------------------------
</TABLE>


Part III -- Certification: -- Under the penalties of perjury, I certify that:

(1)  The number shown on this form is my correct taxpayer  identification number
     (or I am waiting for a number to be issued to me), and

(2)  I am not subject to backup withholding either because: (a) I am exempt from
     backup withholding, or (b) I have not been notified by the Internal Revenue
     Service  ("IRS") that I am subject to backup  withholding  as a result of a
     failure to report all interest or dividends, or (c) the IRS has notified me
     that I am no longer subject to backup withholding.

SIGNATURE _______________________________  DATE __________________________, 1997

Certification Instructions -- You must cross out item (2) above if you have been
notified by the IRS that you are currently subject to backup withholding because
of underreporting  interest or dividends on your tax return.  However,  if after
being  notified  by the IRS that you were  subject  to  backup  withholding  you
received  another  notification  from the IRS that you are no longer  subject to
backup  withholding,  do not cross out item (2).  Also see  instructions  in the
enclosed Guidelines.

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

     YOU MUST COMPLETE THE FOLLOWING CERTIFICATE IF YOU WRITE "APPLIED FOR"
                        IN PART I OF SUBSTITUTE FORM W-9

- --------------------------------------------------------------------------------
             CERTIFICATE OF AWAITING TAXPAYER IDENTIFICATION NUMBER

     I certify under penalties of perjury that a taxpayer  identification number
has not been  issued  to me,  and  either  (a) I have  mailed  or  delivered  an
application  to  receive a  taxpayer  identification  number to the  appropriate
Internal Revenue Service Center or Social Security  Administration Office or (b)
I intend to mail or deliver an application in the near future. I understand that
if I do not provide a taxpayer identification number within sixty (60) days, 31%
of all  reportable  payments  made to me  thereafter  will be  withheld  until I
provide a number.

_____________________________________    _________________________________, 1997
Signature                                               Date


NOTE:    FAILURE  TO  COMPLETE  AND  RETURN  THIS  FORM  MAY  RESULT  IN  BACKUP
         WITHHOLDING  OF 31% OF ANY  PAYMENTS  MADE TO YOU.  PLEASE  REVIEW  THE
         "GUIDELINES  FOR  CERTIFICATION  OF TAXPAYER  IDENTIFICATION  NUMBER ON
         SUBSTITUTE FORM W-9" BELOW FOR ADDITIONAL DETAILS.

<PAGE>

             GUIDELINES FOR CERTIFICATION OF TAXPAYER IDENTIFICATION
                          NUMBER ON SUBSTITUTE FORM W-9


SECTION REFERENCES ARE TO THE INTERNAL REVENUE CODE.

     Purpose of Form.  A person who is  required to file an  information  return
with the Internal  Revenue  Service  ("IRS")  must obtain your correct  taxpayer
identification  number  ("TIN")  to  report  income  paid  to you,  real  estate
transactions,  mortgage  interest you paid,  the  acquisition  or abandonment of
secured  property,  or contributions you made to an IRA. Use Form W-9 to furnish
your correct TIN to the  requester  (the person  asking you to furnish your TIN)
and, when applicable,  (1) to certify that the TIN you are furnishing is correct
(or that you are waiting for a number to be issued), (2) to certify that you are
not  subject  to backup  withholding,  and (3) to claim  exemption  from  backup
withholding if you are an exempt payee.  Furnishing  your correct TIN and making
the appropriate  certifications will prevent certain payments from being subject
to backup withholding.

     Note:  IF A REQUESTER  GIVES YOU A FORM OTHER THAN W-9 TO REQUEST YOUR TIN,
YOU MUST USE THE REQUESTER'S FORM.

     How To Obtain a TIN. If you do not have a TIN,  apply for one  immediately.
To  apply,  get  Form  SS-5,   Application  for  a  Social  Security  Card  (for
Individuals),  from your local office of the Social Security Administration,  or
Form SS-4,  Application for Employer  Identification  Number (for businesses and
all other entities), from your local IRS office.

     To complete Form W-9 if you do not have a TIN,  write  "Applied for" in the
space  for the TIN in Part  1,  sign  and  date  the  form,  and  give it to the
requester.  Generally, you will then have 60 days to obtain a TIN and furnish it
to the  requester.  If the  requester  does not receive your TIN within 60 days,
backup  withholding,  if  applicable,  will begin and continue until you furnish
your TIN to the requester.  For reportable  interest or dividend  payments,  the
payor must exercise one of the following options  concerning backup  withholding
during this 60-day period. Under option (1), a payor must backup withhold on any
withdrawals you make from your account after 7 business days after the requester
receives  this form back from you.  Under  option  (2),  the payor  must  backup
withhold on any reportable  interest or dividend  payments made to your account,
regardless of whether you make any  withdrawals.  The backup  withholding  under
option (2) must begin no later than 7 business days after the requester receives
this form back.  Under  option (2),  the payor is required to refund the amounts
withheld if your certified TIN is received within the 60-day period and you were
not subject to backup withholding during that period.

     Note: WRITING "APPLIED FOR" ON THE FORM MEANS THAT YOU HAVE ALREADY APPLIED
FOR A TIN OR THAT YOU INTEND TO APPLY FOR ONE IN THE NEAR FUTURE.

     As soon as you receive your TIN,  complete  another Form W-9,  include your
TIN, sign and date the form, and give it to the requester.

     What Is Backup Withholding?  -- Persons making certain payments to you must
withhold and pay to the IRS 31% of such payments under certain conditions.  This
is  called  "backup  withholding."  Payments  that  could be  subject  to backup
withholding   include   interest,   dividends,   broker  and   barter   exchange
transactions,  rents, royalties,  nonemployee compensation, and certain payments
from fishing boat operators, but do not include real estate transactions.

     If  you  give  the  requester  your  correct  TIN,  make  the   appropriate
certifications,  and report all your taxable  interest and dividends on your tax
return,  your payments will not be subject to backup  withholding.  Payments you
receive will be subject to backup withholding if:

     (1) You do not furnish your TIN to the requester, or

     (2) The IRS notifies the requester that you furnished an incorrect TIN, or

     (3) You are notified by the IRS that you are subject to backup  withholding
because you failed to report all your  interest and dividends on your tax return
(for reportable interest and dividends only), or

     (4) You do not certify to the requester  that you are not subject to backup
withholding under 3 above (for reportable  interest and dividend accounts opened
after 1983 only), or

     (5) You do not certify your TIN.

<PAGE>


     Except as explained in 5 above,  other  reportable  payments are subject to
backup withholding only if 1 or 2 above applies. Certain payees and payments are
exempt  from  backup  withholding  and  information  reporting.  See  Payees and
Payments Exempt From Backup  Withholding,  below, and Exempt Payees and Payments
under Signing the Certification, below, if you are an exempt payee.

     Payees and Payments Exempt From Backup Withholding. The following is a list
of payees exempt from backup withholding and for which no information  reporting
is required. For interest and dividends,  all listed payees are exempt except as
listed in item (2). For broker transactions, payees listed in items (1) and (13)
and a person registered under the Investment  Advisers Act of 1940 who regularly
acts as a broker are exempt.  Payments  subject to reporting under sections 6041
and 6041A are generally  exempt from backup  withholding  only if made to payees
described in items (1) through (7), except a corporation  that provides  medical
and health care services or bills and collects payments for such services is not
exempt from backup withholding or information  reporting.  Only payees described
in items (2) through (6) are exempt from backup  withholding for barter exchange
transactions and patronage dividends.

     (1) A corporation.

     (2) An  organization  exempt from tax under  section  501(a),  an IRA, or a
custodial account under section 402(b)(7).

     (3) The United States or any of its agencies or instrumentalities.

     (4) A state,  the District of Columbia,  a possession of the United States,
or any of their political subdivisions or instrumentalities.

     (5) A foreign government or any of its political subdivisions, agencies, or
instrumentalities.

     (6)  An   international   organization   or  any   of   its   agencies   or
instrumentalities.

     (7) A foreign central bank of issue.

     (8) A dealer in  securities  or  commodities  required  to  register in the
United States or a possession of the United States.

     (9) A futures  commission  merchant  registered with the Commodity  Futures
Trading Commission.

     (10)A real estate investment trust.

     (11)An  entity  registered  at all  times  during  the tax year  under  the
Investment Company Act of 1940.

     (12)A common trust fund operated by a bank under section 584(a).

     (13)A financial institution.

     (14)A middleman known in the investment community as a nominee or listed in
the most recent publication of the American Society of Corporation  Secretaries,
Inc., Nominee List.

     (15)A trust exempt from tax under section 664 or described in section 4947.
     Payments of  dividend  and  patronage  dividends  generally  not subject to
backup withholding include the following:

     o    Payments to nonresident  aliens  subject to withholding  under section
          1441.

     o    Payments  to  partnerships  not  engaged in a trade or business in the
          United States and that have at least one nonresident partner.

     o    Payments of patronage dividends not paid in money.

     o    Payments made by certain foreign organizations.

     o    Section 404(k) payments made by an ESOP.

Payments of interest  generally  not subject to backup  withholding  include the
following:

     o    Payments of interest on obligations issued by individuals.

     Note: YOU MAY BE SUBJECT TO BACKUP  WITHHOLDING IF THIS INTEREST IS $600 OR
MORE AND IS PAID IN THE COURSE OF THE PAYER'S TRADE OR BUSINESS AND YOU HAVE NOT
PROVIDED YOUR CORRECT TIN TO THE PAYER.

     o    Payments of tax-exempt interest (including  exempt-interest  dividends
          under section 852).

     o    Payments described in section 6049(b)(5) to nonresident aliens.

<PAGE>


     o    Payments on tax-free covenant bonds under section 1451.

     o    Payments made by certain foreign organizations.

     o    Mortgage interest paid to you.

Other types of payments generally not subject to backup withholding inlcude:

     o    Wages.

     o    Distributions from a pension,  annuity,  profit-sharing or stock bonus
          plan, or an IRA.

     o    Distributions from an owner-employee plan.

     o    Certain surrenders of life insurance contracts.

     o    Gambling  winnings,  if withholding is required under section 3402(q).
          However, if withholding is not required under section 3402(q),  backup
          withholding applies if the payee fails to furnish a TIN.

     o    Real estate transactions reportable under section 6045.

     Payments that are not subject to information reporting are also not subject
to backup withholding.  For details, see sections 6041, 6041A, 6042, 6044, 6045,
6049, 6050A, and 6050N, and the regulations under those sections.

Penalties

     Failure  To  Furnish  TIN.  If you fail to furnish  your  correct  TIN to a
requester, you are subject to a penalty of $50 for each such failure unless your
failure is due to reasonable cause and not to willful neglect.

     Civil Penalty for False  Information  With Respect to  Withholding.  If you
make a false  statement  with no  reasonable  basis  that  results  in no backup
withholding, you are subject to a $500 penalty.

     Criminal   Penalty  for  Falsifying   Information.   Willfully   falsifying
certifications or affirmations may subject you to criminal  penalties  including
fines and/or imprisonment.

     Misuse of TINs.  If the  requester  discloses  or uses TINs in violation of
Federal law, the requester may be subject to civil and criminal penalties.

Specific Instructions

     Name -- If you are an individual, you must generally provide the name shown
on your social security card.  However,  if you have changed your last name, for
instance, due to marriage,  without informing the Social Security Administration
of the name change,  please  enter your first name,  the last name shown on your
social security card, and your new last name.

     If you are a sole  proprietor,  you must furnish your  individual  name and
either your SSN or EIN. You may also enter your business name or "doing business
as" name on the business  name line.  Enter your name(s) as shown on your social
security card and/or as it was used to apply for your EIN on Form SS-4.

<PAGE>

Signing the "Part III -- Certification" on the Substitute Form W-9

     (1) Interest, Dividend, and Barter Exchange Accounts Opened Before 1984 and
Broker  Accounts  Considered  Active  During 1983 -- You are required to furnish
your correct TIN, but you are not required to sign the certification.

     (2) Interest,  Dividend,  Broker, and Barter Exchange Accounts Opened After
1983 and Broker Accounts  Considered  Inactive During 1983 -- Your must sign the
certification  or backup  withholding  will apply.  If you are subject to backup
withholding and you are merely providing your correct TIN to the requester,  you
must cross out item 2 in the certification before signing the form.

     (3) Real  Estate  Transactions.  You must sign the  certification.  You may
cross out item 2 of the certification.

     (4) Other  Payments.  You are required to furnish your correct TIN, but you
are not required to sign the  certification  unless you have been notified of an
incorrect  TIN.  Other  payments  include  payments  made in the  course  of the
requester's trade or business for rents, royalties,  goods (other than bills for
merchandise),  medical and health care services,  payments to a nonemployee  for
services  (including  attorney  and  accounting  fees),  and payments to certain
fishing boat crew members.

     (5) Mortgage  Interest Paid by You,  Acquisition  or Abandonment of Secured
Property,  or IRA  Contributions.  You are required to furnish your correct TIN,
but you are not required to sign the certification.

     (6) Exempt Payees and Payments.  If you are exempt from backup withholding,
you should complete this form to avoid possible  erroneous  backup  withholding.
Enter your  correct TIN in Part I, wright  "EXEMPT" in the block in Part II, and
sign and date the form.  IF you are a  nonresident  alien or foreign  entity not
subject  to  backup  withholding,  give  the  requester  a  complete  Form  W-8,
Certificate of Foreign Status.

     (7) TIN "Applied for." Follow the  instructions  under Hot To Obtain a TIN,
on page 1, and sign and date this form.

     Signature:  For a joint account, only the person whose TIN is shown in Part
I should sign.

     Privacy Act Notice:  Section 6109  requires you to furnish your correct TIN
to persons who must file  information  returns with the IRS to report  interest,
dividends, and certain other income paid to you, mortgage interest you paid, the
acquisition or abandonment of secured property,  or contributions you made to an
IRA. The IRS uses the numbers for identification purposes and to help verify the
accuracy of your tax return.  You must  provide  your TIN whether or not you are
required to file a tax return.  Payers must  generally  withhold  31% of taxable
interest,  dividends, and certain other payments to a payee who does not furnish
a TIN to a payor. Certain penalties may also apply.

<PAGE>
- --------------------------------------------------------------------------------
For this type of account:                    Give name and SSN of:
- --------------------------------------------------------------------------------
1.   Individual                              The individual
                                          
2.   Two or more individuals                 The actual owner of 
     (joint account)                         the account or, if combined
                                             funds, the first individual   
                                             on the account [1]
                                          
3.   Custodian account of a minor            The minor [2]
     (Uniform Gift to Minors Act)         
                                          
4.   a. The usual revocable savings          The grantor-trustee [1]
     trust (grantor is also trustee)       
     b.  So-called trust account that        The actual owner [1]
     is not a legal or valid trust        
     under state law                      
                                     
5.   Sole proprietorship                     The owner[3]

6.   Sole proprietorship                     The owner[3]
- --------------------------------------------------------------------------------


- --------------------------------------------------------------------------------
For this type of account:                    Give name and EIN of:
- --------------------------------------------------------------------------------
7.   A valid trust, estate, or               Legal entity[4]
     pension trust

8.   Corporate                               The corporation

9.   Association, club, religious,           The organization
     charitable, educational, or other
     tax-exempt organization

10.  Partnership                             The partnership

11.  A broker or registered nominee          The broker or nominee

12.  Account with the Department of          The public entity
     Agriculture  in the  name of a  
     public  entity  (such  as a state  
     or local government,  school district, 
     or prison) that receives 
     agricultural program payments.
- --------------------------------------------------------------------------------

[1] List first and circle the name of the person whose number you furnish

[2] Circle the minor's name and furnish the minor's SSN.

[3]  You must show your individual name, but you may also enter your business or
     "doing business as" name. You may use either your SSN or EIN.

[4]  List  first and  circle  the name of the legal  trust,  estate,  or pension
     trust.  (Do not furnish the TIN of the personal  representative  or trustee
     unless the legal entity itself is not designated in the account title.)

NOTE:    If no name is  circled  when more than one name is  listed,  the number
         will be considered to be that of the first name listed.

<PAGE>


                           The Dealer Managers:
      DILLON, READ & CO. INC.                     MERRILL LYNCH & CO.

       55 Madison Avenue                      World Financial Center
       New York, New York 10022               250 Vesey Street
       Attention:  Syndicate Department       New York, New York 10281
       (212) 906-7531                         1-888-ML4-TNDR (toll free)
                                              (1-888-654-8637 (toll free))


                             The Information Agent:
                             D. F. KING & CO., INC.
                                 77 Water Street
                            New York, New York 10005
                         Call Toll Free: (800) 859-8508

                                    ATTENTION

THIS LETTER OF TRANSMITTAL AND PROXY IS TO BE USED BY BOTH (1)  SHAREHOLDERS WHO
ARE TENDERING AND VOTING SHARES PURSUANT TO THE OFFER AND (2)  SHAREHOLDERS  WHO
ARE ONLY VOTING ON THE PROPOSED AMENDMENT AND NOT TENDERING SHARES.

ANY  SHAREHOLDER  WHO HAS ANY  QUESTIONS  AS TO HOW TO  COMPLETE  THIS LETTER OF
TRANSMITTAL AND PROXY SHOULD CONTACT THE INFORMATION AGENT AT THE ABOVE NUMBER.



<PAGE>

                                                                      APPENDIX B


                     NOTICE OF GUARANTEED DELIVERY AND PROXY

                                       FOR
                            IPALCO ENTERPRISES, INC.

                           OFFER TO PURCHASE FOR CASH
                         ANY AND ALL OUTSTANDING SHARES
              OF THE FOLLOWING SERIES OF CUMULATIVE PREFERRED STOCK
                                       OF
                       INDIANAPOLIS POWER & LIGHT COMPANY

                  Cumulative Preferred Stock ($100 par value):

                                    4% Series
                                  4.20% Series
                                  4.60% Series
                                  4.80% Series
                                    6% Series
                                  8.20% Series

         As set forth in "Terms of the Offer -- Procedure for  Tendering  Shares
- -- Guaranteed  Delivery  Procedure" of the Offer to Purchase and Proxy Statement
(as referred to below),  this form, or a form  substantially  equivalent to this
form,  must be used to accept the Offer (as defined below) if  certificates  for
shares of a series of cumulative  preferred  stock of the  Indianapolis  Power &
Light Company ("IPL"),  an Indiana  corporation and direct  subsidiary of IPALCO
Enterprises,  Inc. ("IPALCO"), listed above (each a "Series of Preferred") to be
tendered  pursuant to the Offer (the "Shares") are not immediately  available or
if the procedure for book-entry  transfer  cannot be completed on a timely basis
or if time  will not  permit  all  other  documents  required  by the  Letter of
Transmittal  and  Proxy to be  delivered  to the  Depositary  on or prior to the
Expiration Date (as defined in the Offer to Purchase and Proxy Statement).  Such
form  may  be  delivered  by  hand  or  transmitted  by  mail  or  by  facsimile
transmission,  to the  Depositary.  See  "Terms  of the Offer --  Procedure  for
Tendering Shares" in the Offer to Purchase and Proxy Statement.

         A SEPARATE  NOTICE OF  GUARANTEED  DELIVERY  AND PROXY MUST BE USED FOR
EACH SERIES OF PREFERRED.  THE ELIGIBLE  INSTITUTION  WHICH  COMPLETES THIS FORM
MUST  COMMUNICATE THE GUARANTEE TO THE DEPOSITARY AND MUST DELIVER THE LETTER OF
TRANSMITTAL AND PROXY AND CERTIFICATES  FOR SHARES TO THE DEPOSITARY  WITHIN THE
TIME SHOWN  HEREIN.  FAILURE TO DO SO COULD  RESULT IN A FINANCIAL  LOSS TO SUCH
ELIGIBLE INSTITUTION.

            TO: IBJ SCHRODER BANK & TRUST COMPANY (THE "DEPOSITARY")

<TABLE>
<CAPTION>
<S>                            <C>               <C>             <C>
By Mail:                        By Facsimilie:    To Confirm:      By Hand/Overnight Delivery:
P.O. Box 84                     (212) 858-2611    (212) 858-2103   One State Street
Bowling Green Station                                              New York, New York 10004
New York, New York 10274-0084                                      Attn: Securities Processing
Attn: Reorganization Operations                                       Window, Subcellar One,
                   Department                                                                      (SC-1)
</TABLE>

         DELIVERY OF THIS INSTRUMENT TO AN ADDRESS OTHER THAN AS SET FORTH ABOVE
OR TRANSMISSION OF INSTRUCTIONS VIA A FACSIMILE NUMBER OTHER THAN THE ONE LISTED
ABOVE WILL NOT CONSTITUTE A VALID DELIVERY.



<PAGE>


         This form is not to be used to guarantee signatures.  If a signature on
a Letter of  Transmittal  and Proxy is required to be  guaranteed by an Eligible
Institution  (as  defined in the  Letter of  Transmittal  and  Proxy)  under the
instructions  thereto,  such  signature  guarantee must appear in the applicable
space provided in the signature box on the Letter of Transmittal and Proxy.

         The undersigned hereby tenders to IPALCO Enterprises,  Inc., an Indiana
corporation  ("IPALCO"),  upon the terms and subject to the conditions set forth
in the Offer to Purchase and Proxy Statement,  dated _________, 1997 (the "Offer
to Purchase and Proxy  Statement"),  and the related Letter of  Transmittal  and
Proxy  (which  together  constitute  the  "Offer"),  receipt  of which is hereby
acknowledged,  the number of Shares  listed  below,  pursuant to the  guaranteed
delivery  procedure  set forth in "Terms of the Offer -- Procedure for Tendering
Shares" in the Offer to Purchase  and Proxy  Statement.  PREFERRED  SHAREHOLDERS
(INCLUDING  PREFERRED  SHAREHOLDERS WHO ACQUIRE SHARES  SUBSEQUENT TO THE RECORD
DATE) WHO WISH TO TENDER THEIR  SHARES  PURSUANT TO THE OFFER MUST VOTE IN FAVOR
OF THE PROPOSED  AMENDMENT TO IPL'S AMENDED  ARTICLES OF  INCORPORATION,  AS SET
FORTH IN THE OFFER TO PURCHASE AND PROXY  STATEMENT (THE "PROPOSED  AMENDMENT").
PREFERRED  SHAREHOLDERS  WHO PURCHASE OR WHOSE PURCHASE SETTLES OR IS REGISTERED
AFTER THE CLOSE OF BUSINESS ON __________, 1997 (THE "RECORD DATE") AND WHO WISH
TO TENDER  THEIR SHARES IN THE OFFER MUST ARRANGE WITH THEIR SELLER TO RECEIVE A
DULY  COMPLETED,  VALID  AND  UNREVOKED  PROXY  (WHICH  MAY  BE IN THE  FORM  OF
IRREVOCABLE  ASSIGNMENT OF PROXY  ATTACHED  HERETO) FROM THE HOLDER OF RECORD ON
THE RECORD DATE AND INCLUDE SUCH PROXY WITH THIS NOTICE OF  GUARANTEED  DELIVERY
AND PROXY OR VOTE SUCH PROXY FOR THE PROPOSED  AMENDMENT AT THE SPECIAL  MEETING
(AS  DEFINED  IN THE  OFFER TO  PURCHASE  AND  PROXY  STATEMENT).  THE  OFFER IS
CONDITIONED  UPON THE  PROPOSED  AMENDMENT  BEING  APPROVED  AND  ADOPTED AT THE
SPECIAL MEETING. IN ADDITION,  PREFERRED SHAREHOLDERS HAVE THE RIGHT TO VOTE FOR
THE PROPOSED AMENDMENT REGARDLESS OF WHETHER THEY TENDER THEIR SHARES BY CASTING
THEIR VOTE AND SIGNING THE PROXY  CONTAINED  WITHIN THE  ACCOMPANYING  LETTER OF
TRANSMITTAL  AND PROXY OR BY VOTING IN  PERSON AT THE  SPECIAL  MEETING.  IF THE
PROPOSED AMENDMENT IS APPROVED AND ADOPTED, IPL WILL MAKE A SPECIAL CASH PAYMENT
TO EACH  PREFERRED  SHAREHOLDER  WHO VOTED IN FAVOR OF THE  PROPOSED  AMENDMENT,
PROVIDED THAT THEIR SHARES ARE NOT TENDERED PURSUANT TO THE OFFER.


<PAGE>

                                      PROXY
         The  undersigned  hereby  appoints John R. Hodowal,  Ramon L. Humke and
Bryan G. Tabler, or any of them, as proxies,  each with the power to appoint his
substitute,  and hereby  authorizes  them to represent and to vote as designated
hereunder and in their  discretion  with respect to any other business  properly
brought before the Special Meeting,  all shares of cumulative preferred stock of
IPL  which  the  undersigned  is  entitled  to vote at the  Special  Meeting  of
Shareholders to be held on _________,  _________, 1997, or any adjournment(s) or
postponement(s) thereof.

         THIS NOTICE OF GUARANTEED  DELIVERY AND PROXY IS SOLICITED ON BEHALF OF
THE  BOARD OF  DIRECTORS  OF IPL.  The proxy  contained  herein,  when  properly
executed,  will be  voted  in the  manner  directed  herein  by the  undersigned
shareholder(s). If no direction is made, the proxy will be voted FOR Item 1.

         INDICATE YOUR VOTE BY AN (X). THE BOARD OF DIRECTORS OF IPL  RECOMMENDS
VOTING FOR ITEM 1.

ITEM 1.

         HOLDERS OF SHARES WHO WISH TO TENDER  THEIR  SHARES MUST VOTE "FOR" THE
PROPOSED  AMENDMENT  EITHER BY SUBMITTING THIS PROXY OR BY VOTING AT THE SPECIAL
MEETING.

         To remove in its  entirety  ARTICLE 6A,  Section  4(g) from the Amended
Articles of Incorporation of IPL (the "Articles"), which limits IPL's ability to
issue unsecured indebtedness.
                 [ ] FOR           [ ] AGAINST             [ ] ABSTAIN

NOTE:  IF SHARES ARE BEING VOTED "FOR" THE PROPOSED  AMENDMENT,  THE  SUBSTITUTE
FORM W-9 INCLUDED IN THE LETTER OF TRANSMITTAL  AND PROXY SHOULD BE COMPLETED TO
AVOID BACK-UP WITHHOLDING ON THE SPECIAL CASH PAYMENT.

         SHARES  REPRESENTED BY ALL PROPERLY  EXECUTED  PROXIES WILL BE VOTED IN
ACCORDANCE WITH INSTRUCTIONS APPEARING ON THIS PROXY. IN THE ABSENCE OF SPECIFIC
INSTRUCTIONS,  PROXIES WILL BE VOTED IN ACCORDANCE WITH THE  RECOMMENDATIONS  OF
THE BOARD OF DIRECTORS OF IPL, AND IN THE  DISCRETION OF THE PROXY HOLDERS AS TO
ANY OTHER MATTERS THAT MAY PROPERLY COME BEFORE THE SPECIAL MEETING.

         Any holder of Shares  held of record on the Record  Date in the name of
another holder must establish to the  satisfaction of IPL his or her entitlement
to exercise or transfer this Proxy.  This will ordinarily  require an assignment
by such record holder in blank,  or if not in blank, to and from each successive
transferee, including the holder, which each signature guaranteed by an Eligible
Institution.
A form of irrevocable assignment of proxy has been provided herein.

Please check box if you plan to attend the Special Meeting. [ ]

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

SERIES OF PREFERRED (CHECK ONE):

                  Cumulative Preferred Stock ($100 par value):

[ ]        4% Series
[ ]        4.20% Series
[ ]        4.60% Series
[ ]        4.80% Series
[ ]        6% Series
[ ]        8.20% Series

Number of Shares: ___________________________________________________

Certificate Nos. (if available):    ____________________________________________

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

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

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


<PAGE>


                           SIGNATURE(S) OF OWNER(S) *

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

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

Dated: _________________________________________________________________, 1997

Name(s): _______________________________________________________________________

         -----------------------------------------------------------------------
                                 (Please Print)

Capacity (full title): _________________________________________________________

Address: _______________________________________________________________________

         -----------------------------------------------------------------------
                               (Include Zip Code)

Daytime Area Code and Telephone No.: _________________________________________

* Must be signed by the registered holder(s) exactly as name(s) appear(s) on the
stock  certificate(s)  or  on  a  security  position  listing  or  by  person(s)
authorized  to  become  registered   holder(s)  by  certificates  and  documents
transmitted  herewith.  If signature is by a trustee,  executor,  administrator,
guardian, attorney-in-fact, officer of a corporation or other person acting in a
fiduciary  or  representative  capacity,  please  set forth  full  title and see
Instruction 5 to the Letter of Transmittal and Proxy.


<PAGE>


         If Shares will be tendered by book-entry transfer:


                  Name of tendering institution: ______________________________

                  Account No. _______________________________ at o DTC or o PDTC
                                                                   (Check One)

Signature(s): ________________________________________________________________

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


Name(s) of Record Holder(s): __________________________________________________

                                    --------------------------------------------
                                                     (Please Print)

Address: _______________________________________________________________________

         -----------------------------------------------------------------------
                               (Include Zip Code)

Area Code and Telephone No.: __________________________________________________


         A holder of Shares who elects to tender Shares  pursuant to this Notice
of Guaranteed Delivery and Proxy must check one of the boxes below:

         |_|      A duly completed,  valid and unrevoked proxy indicating a vote
                  "FOR" the Proposed Amendment is included herein.

         |_|      A valid vote "FOR" the Proposed  Amendment will be cast at the
                  Special Meeting.

         |_|      A duly completed,  valid and unrevoked proxy indicating a vote
                  "FOR" the Proposed  Amendment  will be delivered  within three
                  New York Stock Exchange  trading days after  execution of this
                  Notice of Guaranteed Delivery and Proxy.





<PAGE>

        IF SELLING SHARES  SUBSEQUENT TO  _____________,  1997, A RECORD HOLDER
MUST COMPLETE THE FOLLOWING IRREVOCABLE PROXY

         PLEASE SIGN THIS TO IRREVOCABLY TRANSFER A PREFERRED STOCK PROXY TO A
SUBSEQUENT HOLDER OF PREFERRED STOCK WHO WAS NOT A HOLDER OF RECORD ON
___________, 1997.


                               IRREVOCABLE PROXY *
                          with respect to shares of the
                  Cumulative Preferred Stock, _____% Series of
                   INDIANAPOLIS POWER & LIGHT COMPANY ("IPL")

         The undersigned hereby irrevocably appoints:

                                     -----------------------------------------
                                         Type or Print Name of Transferee

as attorney and proxy,  with full power of  substitution,  to vote and otherwise
act for  and in the  name(s)  of the  undersigned  with  respect  to the  Shares
indicated  below which were held of record by the  undersigned on  ____________,
1997,  in the  manner in which the  undersigned  would be  entitled  to vote and
otherwise act in respect of such Shares on any and all matters.

         This proxy shall be effective whether or not the Shares indicated below
are tendered in the Offer.

         This   instrument   supersedes   and  revokes  any  and  all   previous
appointments of proxies  heretofore made by the undersigned  with respect to the
Shares indicated below as to any and all matters.  THIS PROXY IS IRREVOCABLE AND
IS COUPLED WITH ANY INTEREST.

         All authority  conferred or agreed to be conferred herein shall survive
the  death  or  incapacity  of  the  undersigned,  and  any  obligation  of  the
undersigned   hereunder   shall   be   binding   upon  the   heirs,   executors,
administrators,  legal and personal representatives,  successors in interest and
assigned of the undersigned.  The undersigned understands that tenders of Shares
pursuant to any of the  procedures  described in the Offer to Purchase and Proxy
Statement and in the Letter of Transmittal  and Proxy will  constitute a binding
agreement  between  the  undersigned  and IPL upon the terms and  subject to the
conditions of the Offer.

                         DESCRIPTION OF PREFERRED STOCK

     Certificate Number(s)                                Aggregate Number
     (Attach List If Necessary)                               of Shares

     1. ___________________                               _________________

     2. ___________________                               _________________

     3. ___________________                               _________________

                                                 Total:   _________________

  *      This irrevocable proxy must be signed on the next page to be effective.



<PAGE>

                                IRREVOCABLE PROXY

                SIGNATURE(S) OF RECORD OR AUTHORIZED SIGNATORY *

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

         ------------------------------------------
                                    (Please Print)

Dated: _______________________________________________ , 1997

Tax Identification or Social Security No(s) ________________________________

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

         -----------------------------------------------------------
                                    (Please Print)

Dated: _______________________________________________ , 1997

Tax Identification or Social Security No(s) ________________________________

* Must be signed by the registered holder(s) exactly as name(s) appear(s) on the
Record Date on the stock  certificate(s) or on a security position listing or by
person(s)   authorized  to  become  registered  holder(s)  by  certificates  and
documents  transmitted  herewith.  If  signature  is  by  a  trustee,  executor,
administrator,  guardian,  attorney-in-fact,  officer of a corporation, agent or
other person acting in a fiduciary or  representative  capacity,  please provide
the following information and see Instruction 5 of the Letter of Transmittal and
Proxy.

                            GUARANTEE OF SIGNATURE(S)
        (SEE INSTRUCTIONS 1 AND 5 OF THE LETTER OF TRANSMITTAL AND PROXY)

Authorized Signature: __________________________________________________________

Name: __________________________________________________________________________

Capacity (Full Title): ______________________________________________________

Name of Firm: __________________________________________________________________
                                                  (Please Print)

Address of Firm: _______________________________________________________________

                  --------------------------------------------------------------
                                                (Include Zip Code)

Area Code and Telephone No.: ___________________________________________________

Dated: ___________________________________________________________________, 1997

<PAGE>


               GUARANTEE (NOT TO BE USED FOR SIGNATURE GUARANTEE)

         The  undersigned,  a firm  that is a member  of a  registered  national
securities exchange or the National Association of Securities Dealers, Inc. or a
commercial bank or trust company having an office or correspondent in the United
States, guarantees (a) that the above-named person(s) has a net long position in
the Shares being tendered within the meaning of Rule 14e-4 promulgated under the
Securities  Exchange  Act of 1934,  as  amended,  (b) that such tender of Shares
complies  with Rule  14e-4 and (c) to deliver  to the  Depositary  at one of its
addresses set forth above  certificate(s)  for the Shares  tendered  hereby,  in
proper form for transfer,  or a confirmation  of the book-entry  transfer of the
Shares tendered  hereby into the  Depositary's  account at The Depository  Trust
Company or  Philadelphia  Depository  Trust Company,  in each case together with
properly  completed and duly  executed  Letter(s) of  Transmittal  and Proxy (or
facsimile(s)  thereof),  with any required signature  guarantee(s) and any other
required  documents,  all within three New York Stock Exchange  ("NYSE") trading
days after the date  hereof.  A NYSE trading day is any day on which the NYSE is
open for business.


- -----------------------------               -----------------------------------
Name of Firm                                         Authorized Signature


- -----------------------------               -----------------------------------
Address                                     Name (Please Print)


- -----------------------------               -----------------------------------
City, State Zip Code                                 Title


- -----------------------------
Area Code and Telephone Number


Dated: _______________________, 1997

DO NOT SEND STOCK  CERTIFICATES WITH THIS FORM. YOUR STOCK  CERTIFICATES MUST BE
SENT WITH THE LETTER OF TRANSMITTAL AND PROXY.


<PAGE>

                                                                      APPENDIX C

                       INDIANAPOLIS POWER & LIGHT COMPANY

                               One Monument Circle
                                  P.O. Box 1595
                           Indianapolis, Indiana 46204

                    NOTICE OF SPECIAL MEETING OF SHAREHOLDERS
                      TO BE HELD _________, _________, 1997


TO THE SHAREHOLDERS OF
INDIANAPOLIS POWER & LIGHT COMPANY

         NOTICE IS  HEREBY  GIVEN  that a Special  Meeting  of  Shareholders  of
Indianapolis  Power & Light  Company will be held at its principal  office,  One
Monument Circle,  Indianapolis,  Indiana on _________,  _________, 1997 at __:00
o'clock __.M. (Eastern Standard Time), for the following purposes:

         1.       To  approve  an  amendment  to  Indianapolis   Power  &  Light
                  Company's  Amended  Articles  of  Incorporation  to remove the
                  limitation on the issuance of unsecured indebtedness; and

         2.       To transact  such other  business as may properly  come before
                  the meeting or any adjournment thereof.

         The Board of  Directors  has fixed the close of business on  _________,
1997, as the record date for determining the shareholders entitled to notice of,
and to vote at, the meeting or any adjournment thereof.

         IT IS  IMPORTANT  THAT  YOUR  SHARES BE  REPRESENTED  AND VOTED AT THIS
MEETING.  Whether or not you expect to be present at the meeting,  you are urged
to sign and date the enclosed  Letter of Transmittal  and Proxy and/or Notice of
Guaranteed Delivery and Proxy, as appropriate, and return it or them immediately
to the Depositary in the accompanying  postage-paid  envelope.  See the Offer to
Purchase and Proxy Statement enclosed herewith for further instructions.

         By order of the Board of Directors.

                                    INDIANAPOLIS POWER & LIGHT COMPANY
                                    By: BRYAN G. TABLER, Senior Vice President,
                                             Secretary and General Counsel

Indianapolis, Indiana
_________, 1997

<PAGE>

                                                                      APPENDIX D
                               SHAREHOLDER LETTER

                 [Indianapolis Power & Light Company Letterhead]

                                 _________, 1997

                                    IMPORTANT

Dear Shareholder:

         Enclosed  is   important   information   about  your   investment   and
specifically pertaining to the following two items:

         1. a proxy  solicitation  for vote to amend  the  Amended  Articles  of
Incorporation  (the  "Articles") of  Indianapolis  Power & Light Company ("IPL")
which will be considered at a Special Meeting of its  Shareholders on _________,
1997; and

         2. an offer by IPALCO  Enterprises,  Inc.  ("IPALCO")  to purchase  all
outstanding shares of IPL's cumulative preferred stock.

         WE GREATLY  APPRECIATE  YOUR GIVING  PROMPT  ATTENTION  TO THE ENCLOSED
MATERIAL WHICH YOU ARE URGED TO READ IN ITS ENTIRETY.

         IPL's  Articles   presently  limit  its  ability  to  issue  securities
representing unsecured indebtedness,  including short-term debt, to no more than
20% of the aggregate of its capital,  surplus and secured debt. This restriction
limits IPL's flexibility in planning and financing its business activities. With
flexibility  and cost  leadership  being  factors  crucial to success in the new
competitive  utility  environment,  IPL may be placed at a disadvantage  if this
restriction  is not removed from the Articles.  The proposed  amendment,  as set
forth and explained in the enclosed Offer to Purchase and Proxy Statement, would
remove this limitation.

         IPALCO is  offering  to purchase  all the  outstanding  shares of IPL's
cumulative preferred stock concurrently with IPL's proxy solicitation.  You must
vote in favor of the proposed amendment in order to tender your shares. IPALCO's
offer is conditioned  upon the proposed  amendment being approved and adopted at
the Special  Meeting.  In addition,  you have the right to vote for the proposed
amendment  regardless of whether you tender your shares. If you vote in favor of
the proposed  amendment and it is adopted,  you will be entitled to receive from
IPL a special  cash  payment  in the  amount  of $1.00 for each  share you vote,
provided your shares have not been tendered.  Instructions  for tendering and/or
voting your shares and  information  pertaining  to the special cash payment are
included in the enclosed material.

         In order to validly  tender  shares  pursuant  to the offer,  preferred
shareholders  who acquire  shares during the period  beginning two days prior to
_____________, 1997 (the "Record Date") and up to and including __________, 1997
(the "Expiration  Date") must obtain an  assignment  of proxy from the seller of
such shares and vote such proxy in favor of the proposed amendment.  In order to
facilitate the transfer of shares during the period  described above, the shares
of each series of  preferred  will trade "with proxy" in the  over-the-  counter
market.  Settlement  of all  trades  during the period  described  above  should
include an assignment of proxy from the seller.

         The Shares will trade, during the period which begins two days prior to
the Record Date and which will end at the close of  business  on the  Expiration
Date,  in the  over-the-counter  market  under the  symbols  "INPOP"  for the 4%
Series,  "INPOO" for the 4.20% Series, "INPOG" for the 4.60% Series, "INDPL" for
the 4.80% Series,  "INPOL" for the 6% Series,  and "INPON" for the 8.20% Series,
indicating  that such Shares are trading "with  proxy." A Preferred  Shareholder
who  acquires  Shares  during  this  period  must  obtain,  or  have  his or her
authorized  representative  obtain, an assignment of proxy (which is included in
the applicable  Letter of Transmittal  and Proxy) at settlement from the seller.
The National  Association of Securities  Dealers,  Inc. and the Depository Trust
Company have issued notices  informing their members and  participants  that the
Shares  will trade "with  proxy" and that  settlement  of all trades  during the
period described above should include an assignment of proxy from the seller.



<PAGE>

         IPL  intends  in the near  future  to call the  remainder  of the 8.20%
shares which are not acquired by IPALCO through the tender offer.  However,  the
authorizing  resolutions  governing  the 8.20% shares set the callable  price at
$101.00 per share which is less than the $______per  share offered  through this
tender offer.


         The October 1, 1997  preferred  dividend  payment  will be made to each
shareholder  of  record  on  September  19,  1997  regardless  of  whether  such
shareholder  tenders  his or her  shares  prior to the  Record  Date.  Tendering
shareholders  will not be  entitled to any  dividends  after the October 1, 1997
payment.

                             YOUR VOTE IS IMPORTANT.

         It is important to your interests that all shareholders,  regardless of
the number of shares owned,  participate in the affairs of IPL. EVEN IF YOU PLAN
TO ATTEND THE SPECIAL MEETING,  WE URGE YOU TO SIGN AND DATE THE ENCLOSED PROXY,
WHICH IS INCLUDED  WITHIN THE ENCLOSED  LETTER(S) OF  TRANSMITTAL  AND PROXY FOR
EACH RESPECTIVE SERIES OF CUMULATIVE  PREFERRED STOCK, AND RETURN IT PROMPTLY TO
THE  DEPOSITARY IN THE ENCLOSED  ENVELOPE.  By signing and returning  your proxy
promptly, you are assuring that your shares will be voted.

         You are cordially  invited to attend the Special  Meeting which will be
held at IPL's principal office, One Monument Circle,  Indianapolis,  Indiana, on
_________, _________, 1997 at __:00 o'clock __.M. (Eastern Standard Time).

         If you have questions or need assistance regarding how to tender and/or
vote your shares, the proposed amendment, the Special Meeting or IPALCO's offer,
please call IPL, Shareholder Services, at (317)261-8394 or 1-800-877-0153.

         Thank you for your continued interest in IPL.

                                                   Sincerely,


                                                   John R. Hodowal
                                                       Chairman of the Board and
                                                       Chief Executive Officer




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