VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST
SC 13E4, 1997-03-21
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<PAGE>   1
 
      AS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION MARCH 21, 1997
================================================================================
 
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549
                               ------------------
 
                                 SCHEDULE 13E-4
                         ISSUER TENDER OFFER STATEMENT
                      (PURSUANT TO SECTION 13(E)(1) OF THE
                        SECURITIES EXCHANGE ACT OF 1934)
 
                              (AMENDMENT NO.    )
              VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST
                                (NAME OF ISSUER)
 
              VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST
                      (NAME OF PERSON(S) FILING STATEMENT)
 
         Common Shares of Beneficial Interest, Par Value $.01 per Share
                         (Title of Class of Securities)
 
                                   920914-108
                     (CUSIP Number of Class of Securities)
 
                             Ronald A. Nyberg, Esq.
 
            Executive Vice President, General Counsel and Secretary
                       Van Kampen American Capital, Inc.
                               One Parkview Plaza
                           Oakbrook Terrace, IL 60181
                                 (630) 684-6000
      (Name, Address and Telephone Number of Person Authorized to Receive
      Notices and Communications on Behalf of Person(s) Filing Statement)
 
                                   Copies to:
 
                             Wayne W. Whalen, Esq.
                              Thomas A. Hale, Esq.
                Skadden, Arps, Slate, Meagher & Flom (Illinois)
                              333 W. Wacker Drive
                            Chicago, Illinois 60606
                                 (312) 407-0700
 
                                 March 21, 1997
                      (Date Tender Offer First Published,
                       Sent or Given to Security Holders)
 
                           CALCULATION OF FILING FEE
================================================================================
 
Transaction Valuation $405,267,970(a)          Amount of Filing Fees: $81,054(b)
- --------------------------------------------------------------------------------
 
================================================================================
 
(a)  Calculated as the aggregate maximum purchase price to be paid for
     40,608,013 shares in the offer.
 
(b)  Calculated as 1/50 of 1% of the Transaction Valuation.
 
[ ]  Check box if any part of the fee is offset as provided by Rule 0-11(a)(2)
     and identify the filing with which the offsetting fee was previously
     paid. Identify the previous filing by registration statement number, or
     the Form or Schedule and the date of its filing.
 
     Amount Previously Paid:
 
     Form or Registration No.:
 
     Filing Party:
 
     Date Filed:
================================================================================
<PAGE>   2
 
ITEM 1. SECURITY AND ISSUER.
 
     (a) The name of the issuer is Van Kampen American Capital Prime Rate Income
Trust, a non-diversified, closed-end management investment company organized as
a Massachusetts business trust (the "Trust"). The principal executive offices of
the Trust are located at One Parkview Plaza, Oakbrook Terrace, IL 60181.
 
     (b) The title of the securities being sought is common shares of beneficial
interest, par value $.01 per share (the "Common Shares"). As of March 14, 1997
there were approximately 580,114,476 Common Shares issued and outstanding.
 
     The Trust is seeking tenders for 40,608,013 Common Shares, at the net asset
value per Common Share, calculated on the day the tender offer expires, upon the
terms and subject to the conditions set forth in the Offer to Purchase, dated
March 21, 1997 (the "Offer to Purchase"), and the related Letter of Transmittal
(which together constitute the "Offer"). An "Early Withdrawal Charge" will be
imposed on most Common Shares accepted for payment that have been held for less
than five years. A copy of each of the Offer to Purchase and the form of Letter
of Transmittal is attached hereto as Exhibit (a)(1)(ii) and Exhibit (a)(2),
respectively. Reference is hereby made to the Cover Page and Section 1 "Price;
Number of Common Shares" of the Offer to Purchase, which are incorporated herein
by reference. The Trust has been informed that no trustees, officers or
affiliates of the Trust intend to tender Common Shares pursuant to the Offer.
 
     (c) The Common Shares are not currently traded on an established trading
market.
 
     (d) Not Applicable.
 
ITEM 2. SOURCE AND AMOUNT OF FUNDS OR OTHER CONSIDERATION.
 
     (a)-(b) Reference is hereby made to Section 12 "Source and Amount of Funds"
of the Offer to Purchase, which is incorporated herein by reference.
 
ITEM 3. PURPOSE OF THE TENDER OFFER AND PLANS OR PROPOSALS OF THE ISSUER OR
AFFILIATE.
 
     Reference is hereby made to Section 7 "Purpose of the Offer," Section 8
"Plans or Proposals of the Trust," Section 10 "Interest of Trustees and
Executive Officers; Transactions and Arrangements Concerning the Common Shares,"
Section 11 "Certain Effects of the Offer" and Section 12 "Source and Amount of
Funds" of the Offer to Purchase, which are incorporated herein by reference. In
addition, the Trust regularly purchases and sells assets in its ordinary course
of business. Except as set forth above, the Trust has no plans or proposals
which relate to or would result in (a) the acquisition by any person of
additional securities of the Trust or the disposition of securities of the
Trust; (b) an extraordinary corporate transaction, such as a merger,
reorganization or liquidation, involving the Trust; (c) a sale or transfer of a
material amount of assets of the Trust; (d) any change in the present Board of
Trustees or management of the Trust, including, but not limited to, any plans or
proposals to change the number or the term of Trustees, or to fill any existing
vacancy on the Board of Trustees or to change any material term of the
employment contract of any executive officer of the Trust; (e) any material
change in the present dividend rate or policy, or indebtedness or capitalization
of the Trust; (f) any other material change in the Trust's structure or
business, including any plans or proposals to make any changes in its investment
policy for which a vote would be required by Section 13 of the Investment
Company Act of 1940; (g) changes in the Trust's declaration of trust, bylaws or
instruments corresponding thereto or other actions which may impede the
acquisition of control of the Trust by any person; (h) a class of equity
securities of the Trust to be delisted from a national securities exchange or to
cease to be authorized to be quoted on an inter-dealer quotation system of a
registered national securities association; (i) a class of equity security of
the Trust becoming eligible for termination of registration under the Investment
Company Act of 1940; or (j) the suspension of the Trust's obligation to file
reports pursuant to Section 15(d) of the Securities Exchange Act of 1934.
 
                                        2
<PAGE>   3
 
ITEM 4. INTEREST IN SECURITIES OF THE ISSUER.
 
     Reference is hereby made to Section 10 "Interest of Trustees and Executive
Officers; Transactions and Arrangements Concerning the Common Shares" of the
Offer to Purchase and the financial statements included as part of Exhibit
(a)(1)(ii) attached hereto, which are incorporated herein by reference. Except
as set forth therein, there have not been any transactions involving the Common
Shares of the Trust that were effected during the past 40 business days by the
Trust, any executive officer or Trustee of the Trust, any person controlling the
Trust, any executive officer or director of any corporation ultimately in
control of the Trust or by any associate or subsidiary of any of the foregoing,
including any executive officer or director of any such subsidiary.
 
ITEM 5. CONTRACTS, ARRANGEMENTS, UNDERSTANDINGS OR RELATIONSHIPS WITH RESPECT TO
        THE ISSUER'S SECURITIES.
 
     Reference is hereby made to Section 10 "Interest of Trustees and Executive
Officers; Transactions and Arrangements Concerning the Common Shares" of the
Offer to Purchase which is incorporated herein by reference. Except as set forth
therein, the Trust does not know of any contract, arrangement, understanding or
relationship relating, directly or indirectly, to the Offer (whether or not
legally enforceable) between the Trust, any of the Trust's executive officers or
Trustees, any person controlling the Trust or any officer or director of any
corporation ultimately in control of the Trust and any person with respect to
any securities of the Trust (including, but not limited to, any contract,
arrangement, understanding or relationship concerning the transfer or the voting
of any such securities, joint ventures, loan or option arrangements, puts or
calls, guarantees of loans, guarantees against loss, or the giving or
withholding of proxies, consents or authorizations).
 
ITEM 6. PERSONS RETAINED, EMPLOYED OR TO BE COMPENSATED.
 
     No persons have been employed, retained or are to be compensated by or on
behalf of the Trust to make solicitations or recommendations in connection with
the Offer.
 
ITEM 7. FINANCIAL INFORMATION.
 
     (a)-(b) Reference is hereby made to the financial statements included as
part of Exhibit (a)(1)(ii) attached hereto, which are incorporated herein by
reference.
 
ITEM 8. ADDITIONAL INFORMATION.
 
     (a) Reference is hereby made to Section 10 "Interests of Trustees and
Executive Officers; Transactions and Arrangements Concerning the Common Shares"
of the Offer to Purchase which is incorporated herein by reference.
 
     (b)-(d) Not applicable.
 
     (e) The Offer to Purchase, attached hereto as Exhibit (a)(1)(ii), is
incorporated herein by reference in its entirety.
 
ITEM 9. MATERIAL TO BE FILED AS EXHIBITS.
 
<TABLE>
    <S>            <S>
     (a)(1)(i)     Advertisement printed in The Wall Street Journal.
           (ii)    Offer to Purchase (including Financial Statements).
     (a)(2)        Form of Letter of Transmittal (including Guidelines for
                   Certification of Taxpayer Identification Number).
     (a)(3)(i)     Form of Letter to Brokers, Dealers, Commercial Banks, Trust
                   Companies and Other Nominees.
           (ii)    Form of Letter to Clients of Brokers, Dealers, Commercial
                   Banks, Trust Companies and Other Nominees.
</TABLE>
 
                                        3
<PAGE>   4
          (iii)    Form of Letter to Selling Group Members.
          (iv)     Form of Operations Notice
    (a)(4)         Form of Letter to Shareholders who have requested Offer to
                   Purchase.
    (a)(5)         Text of Press Release dated March 21, 1997.
    (b)            Not applicable.
    (c)(1)         Investment Advisory Agreement between Van Kampen American
                   Capital Prime Rate Income Trust and Van Kampen American
                   Capital Investment Advisory Corp. dated as of October 31,
                   1996.
    (c)(2)         Administration Agreement between Van Kampen American Capital
                   Prime Rate Income Trust and Van Kampen American Capital
                   Distributors, Inc., dated as of October 31, 1996.
    (c)(3)         Offering Agreement between Van Kampen American Capital Prime
                   Rate Income Trust and Van Kampen American Capital
                   Distributors, Inc., dated as of October 31, 1996.
   (d)-(f)         Not applicable.
 
                                        4
<PAGE>   5
 
                                   SIGNATURE
 
     After due inquiry and to the best of my knowledge and belief, I certify
that the information set forth in this statement is true, complete and correct.
 
                                          VAN KAMPEN AMERICAN CAPITAL PRIME
                                            RATE INCOME TRUST
 
<TABLE>
<S>                                            <C>
Dated:  March 21, 1997                         /s/  DENNIS J. McDONNELL
                                               --------------------------------------------------------
                                               Dennis J. McDonnell,
                                               Chairman, President, Chief Executive Officer and Trustee
</TABLE>
 
                                        5
<PAGE>   6
 
                                 EXHIBIT INDEX
 
<TABLE>
<CAPTION>
      EXHIBIT                                DESCRIPTION                          PAGE
      -------                                -----------                          ----
    <S>              <C>                                                          <C>
    (a)(1)(i)        Advertisement printed in The Wall Street Journal............
    (a)(1)(ii)       Offer to Purchase (including Financial Statements)..........
    (a)(2)           Form of Letter of Transmittal (including Guidelines for
                     Certification of Tax Identification Number).................
    (a)(3)(i)        Form of Letter to Brokers, Dealers, Commercial Banks, Trust
                     Companies and Other Nominees................................
    (a)(3)(ii)       Form of Letter to Clients of Brokers, Dealers, Commercial
                     Banks, Trust Companies and Other Nominees...................
    (a)(3)(iii)      Form of Letter to Selling Group Members.....................
    (a)(3)(iv)       Form of Operations Notice...................................
    (a)(4)           Form of Letter to Shareholders who have requested Offer to
                     Purchase....................................................
    (a)(5)           Text of Press Release dated March 21, 1997..................
    (c)(1)           Investment Advisory Agreement between Van Kampen American
                     Capital Prime Rate Income Trust and Van Kampen American
                     Capital Investment Advisory Corp., dated as of October 31,
                     1996........................................................
    (c)(2)           Administration Agreement between Van Kampen American Capital
                     Prime Rate Income Trust and Van Kampen American Capital
                     Distributors, Inc., dated as of October 31, 1996............
    (c)(3)           Offering Agreement between Van Kampen American Capital Prime
                     Rate Income Trust and Van Kampen American Capital
                     Distributors, Inc., dated as of October 31, 1996............
</TABLE>

<PAGE>   1
 
                                                               EXHIBIT (a)(1)(i)
 
  This announcement is not an offer to purchase or a solicitation of an offer
     to sell Common Shares. The Offer is made only by the Offer to Purchase
          dated March 21, 1997 and the related Letter of Transmittal.
 The Offer is not being made to, nor will tenders be accepted from or on behalf
                                      of,
        holders of Common Shares in any jurisdiction in which making or
          accepting the Offer would violate that jurisdiction's laws.
 
              VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST
 
                          NOTICE OF OFFER TO PURCHASE
             40,608,013 OF ITS ISSUED AND OUTSTANDING COMMON SHARES
                      AT NET ASSET VALUE PER COMMON SHARE
 
 THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT EASTERN STANDARD
         TIME ON FRIDAY, APRIL 18, 1997, UNLESS THE OFFER IS EXTENDED.
 
    Van Kampen American Capital Prime Rate Income Trust (the "Trust") is
offering to purchase 40,608,013 of its issued and outstanding common shares of
beneficial interest, par value of $.01 per share ("Common Shares"), at a price
equal to their net asset value ("NAV") determined as of 5:00 pm Eastern Standard
Time on Friday, April 18, 1997, the Expiration Date, unless extended, upon the
terms and conditions set forth in the Offer to Purchase dated March 21, 1997 and
the related Letter of Transmittal (which together constitute the "Offer"). An
"Early Withdrawal Charge" will be imposed on most Common Shares accepted for
payment that have been held for less than five years. The NAV on March 14, 1997
was $9.98 per Common Share. The purpose of the Offer is to provide liquidity to
shareholders since the Trust is unaware of any secondary market which exists for
the Common Shares. The Offer is not conditioned upon the tender of any minimum
number of Common Shares, but is subject to certain conditions as set forth in
the Offer.
    If more than 40,608,013 Common Shares are duly tendered prior to the
expiration of the Offer, the Trust presently intends to, assuming no changes in
the factors originally considered by the Board of Trustees when it determined to
make the Offer and the other conditions set forth in the Offer, but is under no
obligation to, extend the Offer period, if necessary, and increase the number of
Common Shares that the Trust is offering to purchase to an amount which it
believes will be sufficient to accommodate the excess Common Shares tendered as
well as any Common Shares tendered during the extended Offer period, or purchase
40,608,013 Common Shares (or such greater number of Common Shares sought) on a
pro rata basis.
    Common Shares tendered pursuant to the Offer may be withdrawn at any time
prior to 12:00 Midnight Eastern Standard Time on April 18, 1997, and, if not yet
accepted for payment by the Trust, Common Shares may also be withdrawn after May
15, 1997.
    The information required to be disclosed by paragraph (d)(1) of Rule 13e-4
under the Securities Exchange Act of 1934, as amended, is contained in the Offer
to Purchase and is incorporated herein by reference.
    The Offer to Purchase and the related Letter of Transmittal contain
important information that should be read carefully before any decision is made
with respect to the Offer.
    Questions and requests for assistance, for current NAV quotations or for
copies of the Offer to Purchase, Letter of Transmittal and any other tender
offer document, may be directed to Van Kampen American Capital Distributors,
Inc. at the address and telephone number below. Copies will be furnished
promptly at no expense to you. Shareholders who do not own Common Shares
directly may tender their Common Shares through their broker, dealer or nominee.
 
                 VAN KAMPEN AMERICAN CAPITAL DISTRIBUTORS, INC.
                ONE PARKVIEW PLAZA - OAKBROOK TERRACE, IL 60181
                                  800-421-5666
        (Between the hours of 7:00 am to 7:00 pm Central Standard Time)
 
                                 March 21, 1997

<PAGE>   1
 
                                                              EXHIBIT (a)(1)(ii)
 
                     VAN KAMPEN AMERICAN CAPITAL PRIME RATE
                                  INCOME TRUST
 
                          OFFER TO PURCHASE 40,608,013
                  OF ITS ISSUED AND OUTSTANDING COMMON SHARES
                      AT NET ASSET VALUE PER COMMON SHARE
 
THE OFFER AND WITHDRAWAL RIGHTS WILL EXPIRE AT 12:00 MIDNIGHT EASTERN STANDARD
TIME ON APRIL 18, 1997, UNLESS THE OFFER IS EXTENDED. TO ENSURE PROCESSING OF
YOUR REQUEST, A LETTER OF TRANSMITTAL OR A MANUALLY SIGNED FACSIMILE OF IT
(TOGETHER WITH ANY CERTIFICATES FOR COMMON SHARES AND ALL OTHER REQUIRED
DOCUMENTS) MUST BE RECEIVED BY THE DEPOSITARY (AS DEFINED BELOW) ON OR BEFORE
APRIL 18, 1997.
 
To the Holders of Common Shares of
VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST:
 
     Van Kampen American Capital Prime Rate Income Trust, a non-diversified,
closed-end management investment company organized as a Massachusetts business
trust (the "Trust"), is offering to purchase up to 40,608,013 of its common
shares of beneficial interest, with par value of $.01 per share ("Common
Shares"), at a price (the "Purchase Price") equal to their net asset value
("NAV") determined as of 5:00 P.M. Eastern Standard time on the Expiration Date
(as defined herein), upon the terms and conditions set forth in this Offer to
Purchase and the related Letter of Transmittal (which together constitute the
"Offer"). The Offer is scheduled to terminate as of 12:00 Midnight Eastern
Standard time on April 18, 1997, unless extended. An Early Withdrawal Charge (as
defined in Section 3) will be imposed on most Common Shares accepted for payment
that have been held for less than five years. The Common Shares are not
currently traded on an established trading market. The NAV on March 14, 1997 was
$9.98 per Common Share. You can obtain current NAV quotations from Van Kampen
American Capital Distributors, Inc. ("VKAC") by calling (800) 421-5666 between
the hours of 7:00 A.M. and 7:00 P.M. Central Standard time, Monday through
Friday, except holidays. See Section 9.
 
     If more than 40,608,013 Common Shares are duly tendered prior to the
expiration of the Offer, the Trust presently intends to, subject to the
condition that there have been no changes in the factors originally considered
by the Board of Trustees when it determined to make the Offer and the other
conditions set forth in Section 6, but is under no obligation to, extend the
Offer period, if necessary, and increase the number of Common Shares that the
Trust is offering to purchase to an amount which it believes will be sufficient
to accommodate the excess Common Shares tendered as well as any Common Shares
tendered during the extended Offer period or purchase 40,608,013 Common Shares
(or such greater number of Common Shares sought) on a pro rata basis.
 
           THIS OFFER IS BEING MADE TO ALL SHAREHOLDERS OF THE TRUST
                 AND IS NOT CONDITIONED UPON ANY MINIMUM NUMBER
                        OF COMMON SHARES BEING TENDERED.
 
          THIS OFFER IS SUBJECT TO CERTAIN CONDITIONS. SEE SECTION 6.
 
                                                                 30 PRT006-03/97
<PAGE>   2
 
                                   IMPORTANT
 
     If you desire to tender all or any portion of your Common Shares, you
should either (1) complete and sign the Letter of Transmittal and mail or
deliver it along with any Common Share certificate(s) and any other required
documents to ACCESS Investor Services, Inc. (the "Depositary") or (2) request
your broker, dealer, commercial bank, trust company or other nominee to effect
the transaction for you. If your Common Shares are registered in the name of a
broker, dealer, commercial bank, trust company or other nominee, you must
contact such broker, dealer, commercial bank, trust company or other nominee if
you desire to tender your Common Shares.
 
     NEITHER THE TRUST NOR ITS BOARD OF TRUSTEES MAKES ANY RECOMMENDATION TO ANY
SHAREHOLDER AS TO WHETHER TO TENDER OR REFRAIN FROM TENDERING ANY OR ALL OF SUCH
SHAREHOLDER'S COMMON SHARES. SHAREHOLDERS ARE URGED TO EVALUATE CAREFULLY ALL
INFORMATION IN THE OFFER, CONSULT THEIR OWN INVESTMENT AND TAX ADVISERS AND MAKE
THEIR OWN DECISIONS WHETHER TO TENDER COMMON SHARES AND, IF SO, HOW MANY COMMON
SHARES TO TENDER.
 
     NO PERSON HAS BEEN AUTHORIZED TO MAKE ANY RECOMMENDATION ON BEHALF OF THE
TRUST AS TO WHETHER SHAREHOLDERS SHOULD TENDER COMMON 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 LETTER OF TRANSMITTAL. IF GIVEN OR MADE, SUCH RECOMMENDATION AND SUCH
INFORMATION AND REPRESENTATIONS MUST NOT BE RELIED UPON AS HAVING BEEN
AUTHORIZED BY THE TRUST.
 
     Questions and requests for assistance may be directed to VKAC at the
address and telephone number set forth below. Requests for additional copies of
this Offer to Purchase and the Letter of Transmittal should be directed to VKAC.
 
March 21, 1997                              VAN KAMPEN AMERICAN CAPITAL
                                              PRIME RATE INCOME TRUST
Van Kampen American Capital 
Distributors, Inc.                          Depositary: ACCESS Investor       
One Parkview Plaza                          Services, Inc.                    
Oakbrook Terrace, IL 60181                  By Mail, Hand Delivery or Courier:
                                            7501 Tiffany Springs Parkway      
(800) 421-5666                              Kansas City, MO 64153             
                                            Attn: Van Kampen American Capital 
                                               Prime Rate Income Trust        
                                            
                                            
                                            
                                            
                                            
 
                                        2
<PAGE>   3
 
                               TABLE OF CONTENTS
 
<TABLE>
<CAPTION>
SECTIONS                                                                   PAGE
- --------                                                                   ----
<C>        <S>                                                           <C>
   1.      Price; Number of Common Shares..............................      4
   2.      Procedure for Tendering Common Shares.......................      4
   3.      Early Withdrawal Charge.....................................      6
   4.      Withdrawal Rights...........................................      7
   5.      Payment for Shares..........................................      8
   6.      Certain Conditions of the Offer.............................      8
   7.      Purpose of the Offer........................................      9
   8.      Plans or Proposals of the Trust.............................      9
   9.      Price Range of Common Shares; Dividends.....................     10
  10.      Interest of Trustees and Executive Officers; Transactions
           and Arrangements Concerning the Common Shares...............     10
  11.      Certain Effects of the Offer................................     11
  12.      Source and Amount of Funds..................................     11
  13.      Certain Information about the Trust.........................     11
  14.      Additional Information......................................     12
  15.      Certain Federal Income Tax Consequences.....................     12
  16.      Extension of Tender Period; Termination; Amendments.........     13
  17.      Miscellaneous...............................................     13
 
      EXHIBIT A: Financial Statements for the year ended July 31, 1996.
</TABLE>
 
                                        3
<PAGE>   4
 
     1. PRICE; NUMBER OF COMMON SHARES. The Trust will, upon the terms and
subject to the conditions of the Offer, accept for payment (and thereby
purchase) 40,608,013 or such lesser number of its issued and outstanding Common
Shares which are properly tendered (and not withdrawn in accordance with Section
4) prior to 12:00 Midnight Eastern Standard time on April 18, 1997 (such time
and date being hereinafter called the "Initial Expiration Date"). The Trust
reserves the right to extend the Offer. See Section 16. The later of the Initial
Expiration Date or the latest time and date to which the Offer is extended is
hereinafter called the "Expiration Date." The Purchase Price of the Common
Shares will be their NAV determined as of 5:00 P.M. Eastern Standard time on the
Expiration Date. The NAV on March 14, 1997 was $9.98 per Common Share. You can
obtain current NAV quotations from VKAC by calling (800) 421-5666 between the
hours of 7:00 A.M. and 7:00 P.M. Central Standard time, Monday through Friday,
except holidays. Shareholders tendering Common Shares shall be entitled to
receive all dividends declared on or before the third business day following the
Expiration Date, but not yet paid, on Common Shares tendered pursuant to the
Offer. See Section 9. The Trust will not pay interest on the Purchase Price
under any circumstances. An Early Withdrawal Charge will be imposed on most
Common Shares accepted for payment that have been held for less than five years.
See Section 3.
 
     The Offer is being made to all shareholders of the Trust and is not
conditioned upon any minimum number of Common Shares being tendered. If the
number of Common Shares properly tendered prior to the Expiration Date and not
withdrawn is less than or equal to 40,608,013 Common Shares (or such greater
number of Common Shares as the Trust may elect to purchase pursuant to the
Offer), the Trust will, upon the terms and subject to the conditions of the
Offer, purchase at NAV all Common Shares so tendered. If more than 40,608,013
Common Shares are duly tendered prior to the expiration of the Offer and not
withdrawn, the Trust presently intends to, subject to the condition that there
have been no changes in the factors originally considered by the Board of
Trustees when it determined to make the Offer and the other conditions set forth
in Section 6, but is not obligated to, extend the Offer period, if necessary,
and increase the number of Common Shares that the Trust is offering to purchase
to an amount which it believes will be sufficient to accommodate the excess
Common Shares tendered as well as any Common Shares tendered during the extended
Offer period or purchase 40,608,013 Common Shares (or such greater number of
Common Shares sought) on a pro rata basis.
 
     On March 14, 1997, there were approximately 580,144,476 Common Shares
issued and outstanding and there were approximately 209,728 holders of record of
Common Shares. The Trust has been advised that no trustees, officers or
affiliates of the Trust intend to tender any Common Shares pursuant to the
Offer.
 
     The Trust reserves the right, in its sole discretion, at any time or from
time to time, to extend the period of time during which the Offer is open by
giving oral or written notice of such extension to the Depositary and making a
public announcement thereof. See Section 16. There can be no assurance, however,
that the Trust will exercise its right to extend the Offer. If the Trust
decides, in its sole discretion, to increase (except for any increase not in
excess of the outstanding Common Shares) or decrease the number of Common Shares
being sought and, at the time that notice of such increase or decrease is first
published, sent or given to holders of Common Shares in the manner specified
below, the Offer 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, the Offer will be extended at least until the end of such ten business
day period.
 
     2. PROCEDURE FOR TENDERING COMMON SHARES.
 
     Proper Tender of Common Shares. Except as otherwise set forth under the
heading "Procedures for Selling Group Members" below, for Common Shares to be
properly tendered pursuant to the Offer, a properly completed and duly executed
Letter of Transmittal (or manually signed facsimile thereof) with any required
signature guarantees, any certificates for such Common Shares, and any other
documents required by the Letter of Transmittal, must be received on or before
the Expiration Date by the Depositary at its address set forth on page 2 of this
Offer to Purchase.
 
     It is a violation of Section 14(e) of the Securities and Exchange Act of
1934 (the "Exchange Act"), and Rule 14e-4 promulgated thereunder, for a person
to tender Common Shares in a partial tender offer for such person's own account
unless at the time of tender and until such time as the securities are accepted
for payment the person so tendering has a net long position equal to or greater
than the amount tendered in
 
                                        4
<PAGE>   5
 
(i) the Common Shares and will deliver or cause to be delivered such shares for
purposes of tender to the Trust prior to or on the Expiration Date, or (ii) an
equivalent security and, upon the acceptance of his or her tender will acquire
the Common Shares by conversion, exchange, or exercise of such equivalent
security to the extent required by the terms of the Offer, and will deliver or
cause to be delivered the Common Shares so acquired for the purpose of tender to
the Trust prior to or on the Expiration Date.
 
     Section 14(e) and Rule 14e-4 provide a similar restriction applicable to
the tender or guarantee of a tender on behalf of another person.
 
     The acceptance of Common Shares by the Trust for payment will constitute a
binding agreement between the tendering shareholder and the Trust upon the terms
and subject to the conditions of the Offer, including the tendering
shareholder's representation that (i) such shareholder has a net long position
in the Common Shares being tendered within the meaning of Rule 14e-4 promulgated
under the Exchange Act and (ii) the tender of such Common Shares complies with
Rule 14e-4.
 
     Signature Guarantees and Method of Delivery. Signatures on the Letter of
Transmittal are not required to be guaranteed unless (1) the proceeds for the
tendered Common Shares will amount to more than $50,000, (2) the Letter of
Transmittal is signed by someone other than the registered holder of the Common
Shares tendered therewith, or (3) payment for tendered Common Shares is to be
sent to a payee other than the registered owner of such Common Shares and/or to
an address other than the registered address of the registered owner of the
Common Shares. In those instances, all signatures on the Letter of Transmittal
must be guaranteed by a bank or trust company; a broker-dealer; a credit union;
a national securities exchange, registered securities association or clearing
agency; a savings and loan association; or a federal savings bank (an "Eligible
Institution"). If Common Shares are registered in the name of a person or
persons other than the signer of the Letter of Transmittal or (a) if payment is
to be made to, (b) unpurchased Common Shares are to be registered in the name of
or (c) any certificates for unpurchased Common Shares are to be returned to any
person other than the registered owner, then the Letter of Transmittal and, if
applicable, the tendered Common Share certificates must be endorsed or
accompanied by appropriate authorizations, in either case signed exactly as such
name or names appear on the registration of the Common Shares with the
signatures on the certificates or authorizations guaranteed by an Eligible
Institution. If signature is by attorney-in-fact, executor, administrator,
Trustee, guardian, officer of a Corporation or another acting in a fiduciary or
representative capacity, other legal documents will be required. See
Instructions 1 and 4 of the Letter of Transmittal.
 
     Payment for Common Shares tendered and accepted for payment pursuant to the
Offer will be made only after receipt by the Depositary on or before the
Expiration Date of a properly completed and duly executed Letter of Transmittal
(or manually signed facsimile thereof) and any other documents required by the
Letter of Transmittal. If your Common Shares are evidenced by certificates,
those certificates must be received by the Depositary on or prior to the
Expiration Date.
 
     THE METHOD OF DELIVERY OF ANY DOCUMENTS, INCLUDING CERTIFICATES FOR COMMON
SHARES, IS AT THE ELECTION AND RISK OF THE PARTY TENDERING COMMON SHARES. IF
DOCUMENTS ARE SENT BY MAIL, IT IS RECOMMENDED THAT THEY BE SENT BY REGISTERED
MAIL, PROPERLY INSURED, WITH RETURN RECEIPT REQUESTED.
 
     Procedures for Selling Group Members. If you are a selling group member, in
order for you to tender any Common Shares pursuant to the Offer, you may place a
confirmed wire order with VKAC. All confirmed wire orders used to tender Common
Shares pursuant to this Offer must be placed on the Expiration Date only (wire
orders placed on any other date will not be accepted by the Trust). Common
Shares tendered by a wire order are deemed to be tendered when VKAC receives the
order but subject to the condition subsequent that the settlement instructions,
including (with respect to tendered Common Shares for which the selling group
member is not the registered owner) a properly completed and duly executed
Letter of Transmittal (or manually signed facsimile thereof), any other
documents required by the Letter of Transmittal and any Common Share
certificates, are received by the Depository within three New York Stock
Exchange trading days after receipt by VKAC of such order.
 
     Determinations of Validity. All questions as to the validity, form,
eligibility (including time of receipt) and acceptance of tenders will be
determined by the Trust, in its sole discretion, whose determination shall be
final and binding. The Trust reserves the absolute right to reject any or all
tenders determined by it not to be in
 
                                        5
<PAGE>   6
 
appropriate form or the acceptance of or payment for which may, in the opinion
of the Trust's counsel, be unlawful. The Trust also reserves the absolute right
to waive any of the conditions of the Offer or any defect in any tender with
respect to any particular Common Share(s) or any particular shareholder, and the
Trust's interpretations of the terms and conditions of the Offer will be final
and binding. Unless waived, any defects or irregularities in connection with
tenders must be cured within such times as the Trust shall determine. Tendered
Common Shares will not be accepted for payment unless the defects or
irregularities have been cured within such time or waived. Neither the Trust,
VKAC, the Depositary nor any other person shall be obligated to give notice of
any defects or irregularities in tenders, nor shall any of them incur any
liability for failure to give such notice.
 
     Federal Income Tax Withholding. To prevent backup federal income tax
withholding equal to 31% of the gross payments made pursuant to the Offer, each
shareholder who has not previously submitted a Form W-9 to the Trust or does not
otherwise establish an exemption from such withholding must notify the
Depositary of such shareholder's correct taxpayer identification number (or
certify that such taxpayer is awaiting a taxpayer identification number) and
provide certain other information by completing the Form W-9 enclosed with the
Letter of Transmittal. Foreign shareholders who are individuals and who have not
previously submitted a Form W-9 to the Trust must do so in order to avoid backup
withholding.
 
     The Depositary will withhold 30% of the gross payments payable to a foreign
shareholder unless the Depositary determines that a reduced rate of withholding
or an exemption from withholding is applicable. (Exemption from backup
withholding does not exempt a foreign shareholder from the 30% withholding). For
this purpose, a foreign shareholder, in general, is a shareholder that is not
(i) 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 any political subdivision thereof, or (iii) an estate or trust the income of
which is subject to United States federal income taxation regardless of the
source of such income. The Depositary will determine a shareholder's status as a
foreign shareholder and eligibility for a reduced rate of, or an exemption from,
withholding by reference to the shareholder's address and to any outstanding
certificates or statements concerning eligibility for a reduced rate of, or
exemption from, withholding unless facts and circumstances indicate that
reliance is not warranted. A foreign shareholder who has not previously
submitted the appropriate certificates or statements with respect to a reduced
rate of, or exemption from, withholding for which such shareholder may be
eligible should consider doing so in order to avoid over-withholding. A foreign
shareholder may be eligible to obtain a refund of tax withheld if such
shareholder meets one of the three tests for capital gain or loss treatment
described in Section 15 or is otherwise able to establish that no tax or a
reduced amount of tax was due.
 
     For a discussion of certain other federal income tax consequences to
tendering shareholders, see Section 15.
 
     3. EARLY WITHDRAWAL CHARGE. The Depositary will impose an early withdrawal
charge (the "Early Withdrawal Charge") on most Common Shares accepted for
payment which have been held less than five years. The Early Withdrawal Charge
will be imposed on a number of Common Shares accepted for payment from a record
holder of Common Shares the value of which exceeds the aggregate value at the
time the tendered Common Shares are accepted for payment of (a) all Common
Shares owned by such holder that were purchased more than five years prior to
such acceptance, (b) all Common Shares owned by such holder that were acquired
through reinvestment of distributions, and (c) the increase, if any, of value of
all other Common Shares owned by such holder (namely, those purchased within the
five years preceding acceptance for payment) over the purchase price of such
Common Shares. The Early Withdrawal Charge will be paid to VKAC on behalf of the
holder of the Common Shares. In determining whether an Early Withdrawal Charge
is payable, Common Shares accepted for payment pursuant to the Offer shall be
deemed to be those Common
 
                                        6
<PAGE>   7
 
Shares purchased earliest by the Shareholder. Any Early Withdrawal Charge which
is required to be imposed will be made in accordance with the following
schedule.
 
<TABLE>
<CAPTION>
                                                                EARLY
                     YEAR OF REPURCHASE                       WITHDRAWAL
                       AFTER PURCHASE                           CHARGE
                     ------------------                       ----------
<S>                                                           <C>
First.......................................................      3.0%
Second......................................................      2.5%
Third.......................................................      2.0%
Fourth......................................................      1.5%
Fifth.......................................................      1.0%
Sixth and following.........................................      0.0%
</TABLE>
 
     The following example will illustrate the operation of the Early Withdrawal
Charge. Assume that an investor purchases $10,000 worth of the Trust's Common
Shares for cash and that 21 months later the value of the account has grown
through the reinvestment of dividends and capital appreciation to $12,000. The
investor then may submit for repurchase pursuant to a tender offer up to $2,000
worth of Common Shares without incurring an Early Withdrawal Charge. If the
investor should submit for repurchase pursuant to a tender offer $5,000 worth of
Common Shares, an Early Withdrawal Charge would be imposed on $3,000 worth of
the Common Shares submitted. The charge would be imposed at the rate of 2.5%
because it is in the second year after the purchase was made and the charge
would be $75.
 
     Exchanges. Tendering shareholders may elect to receive, in lieu of cash,
the proceeds from the tender of Common Shares of the Trust in contingent
deferred sales charge shares ("Class B Shares") of certain open-end investment
companies advised by either Van Kampen American Capital Investment Advisory
Corp. or Van Kampen American Capital Asset Management, Inc. and distributed by
VKAC ("VKAC Funds"). The Early Withdrawal Charge will be waived for Common
Shares tendered in exchange for Class B Shares in the VKAC Funds; however, such
Class B Shares immediately become subject to a contingent deferred sales charge
equivalent to the Early Withdrawal Charge on Common Shares of the Trust. Thus,
shares of such VKAC Funds may be subject to a contingent deferred sales charge
upon a subsequent redemption from the VKAC Funds. The purchase of shares of such
VKAC Fund will be deemed to have occurred at the time of the purchase of the
Common Shares of the Trust for calculating the applicable contingent deferred
sales charge.
 
     The prospectus for each VKAC Fund describes its investment objectives and
policies. Shareholders can obtain a prospectus without charge by calling
1-800-341-2911 and should consider these objectives and policies carefully
before requesting an exchange. Each tender for an exchange must involve proceeds
from Common Shares which have a net asset value of at least $500. An exchange is
a taxable event and may result in a taxable gain or loss for the shareholders.
 
     A shareholder may effect an exchange by electing and completing the
appropriate option on the Letter of Transmittal or by giving proper instructions
to the shareholder's broker or dealer. Although the exchange privilege has been
made available as a convenience to the Trust's shareholders, neither the Trust
nor its Board of Trustees makes any recommendation as to whether shareholders
should exchange for shares of another VKAC Fund.
 
     4. WITHDRAWAL RIGHTS. Except as otherwise provided in this Section 4,
tenders of Common Shares made pursuant to the Offer will be irrevocable. You may
withdraw Common Shares tendered at any time prior to the Expiration Date and, if
the Common Shares have not yet been accepted for payment by the Trust, at any
time after 12:00 Midnight Eastern Standard time on May 15, 1997.
 
     To be effective, a written, telegraphic, telex or facsimile transmission
notice of withdrawal must be timely received by the Depositary at the address
set forth on page 2 of this Offer to Purchase. Any notice of withdrawal must
specify the name of the person having tendered the Common Shares to be
withdrawn, the number of Common Shares to be withdrawn, and, if certificates
representing such Common Shares have been delivered or otherwise identified to
the Depositary, the name of the registered holder(s) of such Common Shares as
set forth in such certificates if different from the name of the person
tendering the Common Shares. If certificates have been delivered to the
Depositary, then, prior to the release of such certificates, you must
 
                                        7
<PAGE>   8
 
also submit the certificate numbers shown on the particular certificates
evidencing such Common Shares and the signature on the notice of withdrawal must
be guaranteed by an Eligible Institution.
 
     All questions as to the form and validity (including time of receipt) of
notices of withdrawal will be determined by the Trust in its sole discretion,
whose determination shall be final and binding. None of the Trust, VKAC, the
Depositary or any other person is or will be obligated to give any notice of any
defects or irregularities in any notice of withdrawal, and none of them will
incur any liability for failure to give any such notice. Common Shares properly
withdrawn shall not thereafter be deemed to be tendered for purposes of the
Offer. However, withdrawn Common Shares may be retendered by following the
procedures described in Section 2 prior to the Expiration Date.
 
     5. PAYMENT FOR SHARES. For purposes of the Offer, the Trust will be deemed
to have accepted for payment (and thereby purchased) Common Shares which are
tendered and not withdrawn when, as and if it gives oral or written notice to
the Depositary of its acceptance of such Common Shares for payment pursuant to
the Offer. Upon the terms and subject to the conditions of the Offer, the Trust
will accept for payment (and thereby purchase) Common Shares properly tendered
promptly after the Expiration Date.
 
     Payment for Common Shares purchased pursuant to the Offer will be made by
depositing the aggregate purchase price therefor with the Depositary, which will
act as agent for tendering shareholders for the purpose of receiving payment
from the Trust and either transmitting payment directly to the tendering
shareholders or, in the case of tendering shareholders electing an exchange in
lieu of cash, transmitting payment directly to the transfer agent for purchase
of Class B Shares of the designated VKAC Fund for the account of such
shareholders. In all cases, payment for Common Shares accepted for payment
pursuant to the Offer will be made only after timely receipt by the Depositary,
as required pursuant to the Offer, of a properly completed and duly executed
Letter of Transmittal (or manually signed facsimile thereof), any certificates
representing such Common Shares, if issued, and any other required documents.
Certificates for Common Shares not purchased (see Sections 1 and 6), or for
Common Shares not tendered included in certificates forwarded to the Depositary,
will be returned promptly following the termination, expiration or withdrawal of
the Offer, without expense to the tendering shareholder.
 
     The Trust will pay all transfer taxes, if any, payable on the transfer to
it of Common Shares purchased pursuant to the Offer. If, however, payment of the
purchase price is to be made to, or (in the circumstances permitted by the
Offer) if unpurchased Common Shares are to be registered in the name of any
person other than the registered holder, or if tendered certificates, if any,
are registered or the Common Shares tendered are held in the name of any person
other than the person signing the Letter of Transmittal, the amount of any
transfer taxes (whether imposed on the registered holder or such other person)
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. Shareholders tendering Common Shares shall be
entitled to receive all dividends declared on or before the third business day
following the Expiration Date, but not yet paid, on Common Shares tendered
pursuant to the Offer. The Trust will not pay any interest on the Purchase Price
under any circumstances. An Early Withdrawal Charge will be imposed on most
Common Shares accepted for payment that have been held for less than five years.
See Section 3. In addition, if certain events occur, the Trust may not be
obligated to purchase Common Shares pursuant to the Offer. See Section 6.
 
     ANY TENDERING SHAREHOLDER OR OTHER PAYEE WHO HAS NOT PREVIOUSLY SUBMITTED A
COMPLETED AND SIGNED SUBSTITUTE FORM W-9 AND WHO FAILS TO COMPLETE FULLY AND
SIGN THE SUBSTITUTE FORM W-9 ENCLOSED WITH THE LETTER OF TRANSMITTAL MAY BE
SUBJECT TO REQUIRED FEDERAL INCOME TAX WITHHOLDING OF 31% OF THE GROSS PROCEEDS
PAID TO SUCH SHAREHOLDER OR OTHER PAYEE PURSUANT TO THE OFFER. SEE SECTION 2.
 
     6. CERTAIN CONDITIONS OF THE OFFER. Notwithstanding any other provision of
the Offer, the Trust shall not be required to accept for payment, purchase or
pay for any Common Shares tendered, and may terminate or amend the Offer or may
postpone the acceptance for payment of, the purchase of and payment for Common
Shares tendered, if at any time at or before the time of purchase of any such
Common Shares, any of the following events shall have occurred (or shall have
been determined by the Trust to have occurred) which, in the Trust's sole
judgment in any such case and regardless of the circumstances (including any
action or omission to act by the Trust), makes it inadvisable to proceed with
the Offer or with such purchase or
 
                                        8
<PAGE>   9
 
payment: (1) in the reasonable judgment of the Trustees, there is not sufficient
liquidity of the assets of the Trust; (2) such transactions, if consummated,
would (a) impair the Trust's status as a regulated investment company under the
Internal Revenue Code (which would make the Trust a taxable entity, causing the
Trust's taxable income to be taxed at the Trust level) or (b) result in a
failure to comply with applicable asset coverage requirements; or (3) there is,
in the Board of Trustees' reasonable judgment, any (a) material legal action or
proceeding instituted or threatened challenging such transactions or otherwise
materially adversely affecting the Trust, (b) suspension of or limitation on
prices for trading securities generally on any United States national securities
exchange or in the over-the-counter market, (c) declaration of a banking
moratorium by federal or state authorities or any suspension of payment by banks
in the United States, (d) limitation affecting the Trust or the issuers of its
portfolio securities imposed by federal or state authorities on the extension of
credit by lending institutions, (e) commencement of war, armed hostilities or
other international or national calamity directly or indirectly involving the
United States or (f) other event or condition which would have a material
adverse effect on the Trust or the holders of its Common Shares if the tendered
Common Shares are purchased.
 
     The foregoing conditions are for the Trust's sole benefit and may be
asserted by the Trust regardless of the circumstances giving rise to any such
condition (including any action or inaction by the Trust), and any such
condition may be waived by the Trust in whole or in part, at any time and from
time to time in its sole discretion. The Trust's failure at any time to exercise
any of the foregoing rights shall not be deemed a waiver of any such right; the
waiver of any such right with respect to particular facts and circumstances
shall not be deemed a waiver with respect to any other facts or circumstances;
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 the Trust concerning the
events described in this Section 6 shall be final and shall be binding on all
parties.
 
     If the Trust determines to terminate or amend the Offer or to postpone the
acceptance for payment of or payment for Common Shares tendered, it will, to the
extent necessary, extend the period of time during which the Offer is open as
provided in Section 16. Moreover, in the event any of the foregoing conditions
are modified or waived in whole or in part at any time, the Trust will promptly
make a public announcement of such waiver and may, depending on the materiality
of the modification or waiver, extend the Offer period as provided in Section
16.
 
     7. PURPOSE OF THE OFFER. The Trust currently does not believe that an
active secondary market for its Common Shares exists or is likely to develop. In
recognition of the possibility that a secondary market may not develop for the
Common Shares of the Trust, or, if such a market were to develop, the Common
Shares might trade at a discount, the Trustees have determined that it would be
in the best interest of its shareholders for the Trust to take action to attempt
to provide liquidity to shareholders or to reduce or eliminate any future market
value discount from NAV that might otherwise exist, respectively. To that end,
the Trustees presently intend each quarter to consider making a tender offer to
purchase Common Shares at their NAV. The purpose of this Offer is to attempt to
provide liquidity to the holders of Common Shares. There can be no assurance
that this Offer will provide sufficient liquidity to all holders of Common
Shares that desire to sell their Common Shares or that the Trust will make any
such tender offer in the future.
 
     NEITHER THE TRUST NOR ITS BOARD OF TRUSTEES MAKES ANY RECOMMENDATION TO ANY
SHAREHOLDER AS TO WHETHER TO TENDER OR REFRAIN FROM TENDERING ANY OR ALL OF SUCH
SHAREHOLDER'S COMMON SHARES AND HAS NOT AUTHORIZED ANY PERSON TO MAKE ANY SUCH
RECOMMENDATION. SHAREHOLDERS ARE URGED TO EVALUATE CAREFULLY ALL INFORMATION IN
THE OFFER, CONSULT THEIR OWN INVESTMENT AND TAX ADVISORS AND MAKE THEIR OWN
DECISIONS WHETHER TO TENDER COMMON SHARES AND, IF SO, HOW MANY COMMON SHARES TO
TENDER.
 
     8. PLANS OR PROPOSALS OF THE TRUST. The Trust has no present plans or
proposals which relate to or would result in any extraordinary transaction such
as a merger, reorganization or liquidation involving the Trust; a sale or
transfer of a material amount of assets of the Trust other than in its ordinary
course of business; any material changes in the Trust's present capitalization
(except as resulting from the Offer or otherwise set forth herein); or any other
material changes in the Trust's structure or business.
 
                                        9
<PAGE>   10
 
     9. PRICE RANGE OF COMMON SHARES; DIVIDENDS. The Trust's NAV per Common
Share from March 14, 1995 through March 14, 1997 ranged from a high of $10.05 to
a low of $9.98. On March 14, 1997, the NAV was $9.98 per Common Share. You can
obtain current NAV quotations from VKAC by calling (800) 421-5666 between the
hours of 7:00 A.M. and 7:00 P.M. Central Standard time, Monday through Friday,
except holidays. NAV quotes also may be obtained through the ICI Pricing Service
which is released each Friday evening and published by the Dow Jones Capital
Markets Wire Service on each Friday; published in the New York Times on each
Saturday; published in the Chicago Tribune on each Sunday; and published weekly
in Barron's magazine. The Trust offers and sells its Common Shares to the public
on a continuous basis through VKAC as principal underwriter. The Trust is not
aware of any secondary market trading for the Common Shares. Dividends on the
Common Shares are declared daily and paid monthly.
 
     Over the twelve month period preceding the commencement of the Offer, the
Trust paid the following dividends per Common Share held for the entire
respective dividend period:
 
<TABLE>
<CAPTION>
                     DIVIDEND PAYMENT                       AMOUNT OF DIVIDEND
                           DATE                              PER COMMON SHARE
                     ----------------                       ------------------
<S>                                                         <C>
February 25, 1997.........................................       $0.0584
January 24, 1997..........................................       $0.0452
December 31, 1996.........................................       $0.0132
December 24, 1996.........................................       $0.0584
November 25, 1996.........................................       $0.0584
October 25, 1996..........................................       $0.0584
September 25, 1996........................................       $0.0584
August 23, 1996...........................................       $0.0567
July 25, 1996.............................................       $0.0567
June 25, 1996.............................................       $0.0567
May 24, 1996..............................................       $0.0578
April 25, 1996............................................       $0.0592
March 25, 1996............................................       $0.0605
February 23, 1996.........................................       $0.0610
</TABLE>
 
Shareholders tendering Common Shares shall be entitled to receive all dividends
declared on or before the third business day following the Expiration Date, but
not yet paid, on Common Shares tendered pursuant to the Offer.
 
     10. INTEREST OF TRUSTEES AND EXECUTIVE OFFICERS; TRANSACTIONS AND
ARRANGEMENTS CONCERNING THE COMMON SHARES. Except as set forth in this Section
10, as of March 14, 1997, the trustees and executive officers of the Trust as a
group beneficially owned no Common Shares. As of March 14, 1997, Dennis J.
McDonnell, Chairman, President and a Trustee of the Trust, owned 765.174 Common
Shares; Wayne W. Whalen, a trustee of the Trust, owned 1,502.224 Common Shares;
and David C. Arch, a trustee of the Trust, owned 1,050.825 Common Shares. The
Trust has been informed that no trustee or executive officer of the Trust
intends to tender any Common Shares pursuant to the Offer.
 
     Except as set forth in this Section 10, based upon the Trust's records and
upon information provided to the Trust by its trustees, executive officers and
affiliates (as such term is used in the Securities Exchange Act of 1934),
neither the Trust nor, to the best of the Trust's knowledge, any of the trustees
or executive officers of the Trust, nor any associates of any of the foregoing,
has effected any transactions in the Common Shares during the forty business day
period prior to the date hereof. Dennis J. McDonnell, Chairman, President and a
trustee of the Trust, acquired 7.883 Common Shares and Wayne W. Whalen acquired
15.474 Common Shares between January 24, 1997 and March 14, 1997 through the
reinvestment of dividends as described in the Trust's prospectus.
 
     Except as set forth in this Offer to Purchase, neither the Trust nor, to
the best of the Trust's knowledge, any of its affiliates, trustees or executive
officers, is a party to any contract, arrangement, understanding or relationship
with any other person relating, directly or indirectly, to the Offer with
respect to any securities of the Trust (including, but not limited to, any
contract, arrangement, understanding or relationship concerning the transfer or
the voting of any such securities, joint ventures, loan or option arrangements,
puts or calls, guaranties of loans, guaranties against loss or the giving or
withholding of proxies, consents or authorizations).
 
                                       10
<PAGE>   11
 
     The Trust currently is a party to an Investment Advisory Agreement with Van
Kampen American Capital Investment Advisory Corp. (the "Adviser") under which
the Trust accrues daily and pays monthly to the Adviser an investment management
fee based on the per annum rate of: 0.95% of the first $4.0 billion of average
weekly managed assets of the Trust, 0.90% on the next $3.5 billion, 0.875% on
the next $2.5 billion and 0.85% on average weekly net assets over $10.0 billion
(i.e., the average weekly value of the total assets of the Trust, minus the sum
of the accrued liabilities of the Trust other than the aggregate amount of any
borrowings undertaken by the Trust). The Trust also is a party to an
Administration Agreement and an Offering Agreement with VKAC. Under the
Administration Agreement, the Trust pays VKAC a monthly fee based on the per
annum rate of 0.25% of the Trust's average weekly managed assets. Under the
Offering Agreement, the Trust offers and sells its Common Shares to the public
on a continuous basis through VKAC as principal underwriter.
 
     Each of the Adviser and VKAC is an indirect subsidiary of Morgan Stanley
Group Inc. On February 5, 1997, Morgan Stanley Group Inc. and Dean Witter,
Discover & Co. announced that they had entered into an Agreement and Plan of
Merger to form Morgan Stanley, Dean Witter, Discover & Co. Subject to certain
conditions being met, it is currently anticipated that the transaction will
close in mid-1997. Thereafter, each of the Adviser and VKAC will be an indirect
subsidiary of Morgan Stanley, Dean Witter, Discover & Co. Dean Witter, Discover
& Co. is a financial services company with three major businesses: full service
brokerage, credit services and asset management.
 
     11. CERTAIN EFFECTS OF THE OFFER. The purchase of Common Shares pursuant to
the Offer will have the effect of increasing the proportionate interest in the
Trust of shareholders who do not tender their Common Shares. If you retain your
Common Shares you will be subject to any increased risks that may result from
the reduction in the Trust's aggregate assets resulting from payment for the
tendered Common Shares (e.g., greater volatility due to decreased
diversification and higher expenses). However, the Trust believes that since the
Trust is engaged in a continuous offering of the Common Shares, those risks
would be reduced to the extent new Common Shares of the Trust are sold. All
Common Shares purchased by the Trust pursuant to the Offer will be held in
treasury pending disposition.
 
     12. SOURCE AND AMOUNT OF FUNDS. The total cost to the Trust of purchasing
the full 40,608,013 Common Shares pursuant to the Offer would be approximately
$405,267,970 (assuming a NAV of $9.98 per Common Share on the Expiration Date).
The Trust anticipates that the Purchase Price for any Common Shares acquired
pursuant to the Offer will first be derived from cash on hand, such as proceeds
from sales of new Common Shares of the Trust and specified pay-downs from the
participation interests in senior corporate loans which it has acquired, and
then from the proceeds from the sale of cash equivalents held by the Trust. The
Trust may from time to time enter into one or more credit agreements to provide
the Trust with additional liquidity to meet its obligations to purchase Common
Shares pursuant to any tender offer it may make. Although the Trust is
authorized to borrow money to finance the repurchase of Common Shares, the Trust
believes that it has sufficient liquidity to purchase the Common Shares tendered
pursuant to the Offer without utilizing such borrowing. However, if, in the
judgment of the Trustees, there is not sufficient liquidity of the assets of the
Trust to pay for tendered Common Shares, the Trust may terminate the Offer. See
Section 6.
 
     13. CERTAIN INFORMATION ABOUT THE TRUST. The Trust was organized as a
Massachusetts business trust on July 14, 1989 and is a non-diversified,
closed-end management investment company under the Investment Company Act of
1940. The Trust seeks as high a level of current income as is consistent with
the preservation of capital by investing in a professionally managed portfolio
of interests in floating or variable rate senior loans ("Senior Loans") to
United States corporations, partnerships and other entities ("Borrowers").
Although the Trust's NAV will vary, the Trust's policy of acquiring interests in
floating or variable rate Senior Loans is expected to minimize fluctuations in
the Trust's NAV as a result of changes in interest rates. Senior Loans in which
the Trust will invest generally pay interest at rates which are periodically
redetermined by reference to a base lending rate plus a premium. These base
lending rates are generally the prime rate offered by one or more major United
States banks ("Prime Rate"), the London Inter-Bank Offered Rate ("LIBOR"), the
certificate of deposit rate or other base lending rates used by commercial
lenders. The Trust seeks to achieve over time an
 
                                       11
<PAGE>   12
 
effective yield that approximates the average published Prime Rate of major
United States banks. The Senior Loans in the Trust's portfolio at all times have
a dollar-weighted average time until next interest rate redetermination of 90
days or less. As a result, as short-term interest rates increase, the interest
payable to the Trust from its investments in Senior Loans should increase, and
as short-term interest rates decrease, the interest payable to the Trust on its
investments in Senior Loans should decrease. The amount of time required to pass
before the Trust realizes the effects of changing short-term market interest
rates on its portfolio varies with the dollar-weighted average time until next
interest rate redetermination on securities in the Trust's portfolio.
 
     The Trust has registered as a "non-diversified" investment company so that,
subject to its investment restrictions, it is able to invest more than 5% of the
value of its assets in the obligations of any single issuer, including Senior
Loans of a single Borrower or participations in Senior Loans purchased from a
single lender. To the extent the Trust invests a relatively high percentage of
its assets in obligations of a limited number of issuers, the Trust will be more
susceptible than a more widely diversified investment company to any single
corporate, economic, political or regulatory occurrence.
 
     VKAC compensates broker-dealers participating in the continuous offering of
the Trust's Common Shares at a rate of 3.0% of the dollar value of Common Shares
purchased from the Trust by such broker-dealers. VKAC also compensates
broker-dealers who have entered into sales agreements with VKAC at an annual
rate, paid quarterly, equal to an amount up to 0.35% of the value of Common
Shares sold by each respective broker-dealer and remaining outstanding after one
year from the date of their original purchase. VKAC also may provide, from time
to time, additional cash incentives to broker-dealers which employ
representatives who sell a minimum dollar amount of the Common Shares. All such
compensation is or will be paid by VKAC out of its own assets, and not out of
the assets of the Trust. The compensation paid to such broker-dealers and to
VKAC, including the compensation paid at the time of purchase, the quarterly
payments, any additional incentives paid from time to time and the Early
Withdrawal Charge, if any, will not in the aggregate exceed the applicable limit
(currently 8%) imposed by the National Association of Securities Dealers (the
"NASD"), unless the approval of the NASD has been received.
 
     The principal executive offices of the Trust are located at One Parkview
Plaza, Oakbrook Terrace, IL 60181.
 
     Reference is hereby made to Section 9 of this Offer to Purchase and the
financial statements attached hereto as Exhibit A which are incorporated herein
by reference.
 
     14. ADDITIONAL INFORMATION. The Trust has filed an Issuer Tender Offer
Statement on Schedule 13E-4 with the Securities and Exchange Commission (the
"Commission") which includes certain additional information relating to the
Offer. Such material may be inspected and copied at prescribed rates at the
Commission's public reference facilities at Judiciary Plaza, 450 Fifth Street,
N.W., Washington, D.C. 20549; Jacob K. Javits Federal Building, 26 Federal
Plaza, New York, New York 10278; and, Northwestern Atrium Center, 500 West
Madison Street, Suite 1400, Chicago, Illinois 60661-2511. Copies of such
material may also be obtained by mail at prescribed rates from the Public
Reference Branch of the Commission at 450 Fifth Street, N.W., Washington, D.C.
20549.
 
     15. CERTAIN FEDERAL INCOME TAX CONSEQUENCES. The following discussion is a
general summary of the federal income tax consequences of a sale of Common
Shares pursuant to the Offer. Shareholders should consult their own tax advisers
regarding the tax consequences of a sale of Common Shares pursuant to the Offer,
as well as the effects of state, local and foreign tax laws.
 
     The sale of Common Shares pursuant to the Offer will be a taxable
transaction for federal income tax purposes, either as a "sale or exchange," or
under certain circumstances, as a "dividend." Under Section 302(b) of the
Internal Revenue Code of 1986, as amended (the "Code"), a sale of Common Shares
pursuant to the Offer generally will be treated as a "sale or exchange" if the
receipt of cash: (a) results in a "complete termination" of the shareholder's
interest in the Trust, (b) is "substantially disproportionate" with respect to
the shareholder, or (c) is "not essentially equivalent to a dividend" with
respect to the shareholder. In determining whether any of these tests has been
met, Common Shares actually owned, as well as Common Shares considered to be
owned by the shareholder by reason of certain constructive ownership rules set
forth in Section 318 of the Code, generally must be taken into account. If any
of these three tests for "sale or
 
                                       12
<PAGE>   13
 
exchange" treatment is met, a shareholder will recognize gain or loss equal to
the difference between the amount of cash received pursuant to the Offer and the
tax basis of the Common Shares sold. If such Common Shares are held as a capital
asset, the gain or loss will be a capital gain or loss and will be long-term if
such Common Shares have been held for more than one year.
 
     If none of the tests set forth in Section 302(b) of the Code is met,
amounts received by a shareholder who sells Common Shares pursuant to the Offer
will be taxable to the shareholder as a "dividend" to the extent of such
shareholder's allocable share of the Trust's current or accumulated earnings and
profits, and the excess of such amounts received over the portion that is
taxable as a dividend would constitute a non-taxable return of capital (to the
extent of the shareholder's tax basis in the Common Shares sold pursuant to the
Offer) and any amounts in excess of the shareholder's tax basis would constitute
taxable gain. Thus, a shareholder's tax basis in the Common Shares sold will not
reduce the amount of the "dividend." Any remaining tax basis in the Common
Shares tendered to the Trust will be transferred to any remaining Common Shares
held by such shareholder. In addition, if a tender of Common Shares is treated
as a "dividend" to a tendering shareholder, a constructive dividend under
Section 305(c) of the Code may result to a non-tendering shareholder whose
proportionate interest in the earnings and assets of the Trust has been
increased by such tender. The Trust believes, however, that the nature of the
repurchase will be such that a tendering shareholder will qualify for "sale or
exchange" treatment (as opposed to "dividend" treatment).
 
     16. EXTENSION OF TENDER PERIOD; TERMINATION; AMENDMENTS.  The Trust
reserves the right, at any time and from time to time, to extend the period of
time during which the Offer is pending by making a public announcement thereof.
In the event that the Trust so elects to extend the tender period, the Purchase
Price for the Common Shares tendered will be determined as of 5:00 P.M. Eastern
Standard time on the Expiration Date, as extended, and the Offer will terminate
as of 12:00 Midnight Eastern Standard time on the Expiration Date, as extended.
During any such extension, all Common Shares previously tendered and not
purchased or withdrawn will remain subject to the Offer. The Trust also reserves
the right, at any time and from time to time up to and including the Expiration
Date, to (a) terminate the Offer and not to purchase or pay for any Common
Shares or, subject to applicable law, postpone payment for Common Shares upon
the occurrence of any of the conditions specified in Section 6, and (b) amend
the Offer in any respect by making a public announcement thereof. Such public
announcement will be issued no later than 9:00 A.M. Eastern Standard time on the
next business day after the previously scheduled Expiration Date and will
disclose the approximate number of Common Shares tendered as of that date.
Without limiting the manner in which the Trust may choose to make a public
announcement of extension, termination or amendment, except as provided by
applicable law (including Rule 13e-4(e)(2)), the Trust 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 the Trust materially changes the terms of the Offer or the information
concerning the Offer, or if it waives a material condition of the Offer, the
Trust will extend the Offer to the extent required by Rule 13e-4 promulgated
under the Exchange Act. These 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 a change in
percentage of securities sought) will depend on the facts and circumstances,
including the relative materiality of such terms or information. If (i) the
Trust increases or decreases the price to be paid for Common Shares, or the
Trust increases the number of Common Shares being sought by an amount exceeding
2% of the outstanding Common Shares, or the Trust decreases the number of Common
Shares being sought and (ii) 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 notice of such increase or decrease is first
published, sent or given, the Offer will be extended at least until the
expiration of such period of ten business days.
 
     17. MISCELLANEOUS. The Offer is not being made to, nor will the Trust
accept tenders from, owners of Common Shares in any jurisdiction in which the
Offer or its acceptance would not comply with the securities or Blue Sky laws of
such jurisdiction. The Trust is not aware of any jurisdiction in which the
making of the Offer or the tender of Common Shares would not be in compliance
with the laws of such jurisdiction. However, the Trust reserves the right to
exclude holders in any jurisdiction in which it is asserted that the Offer
cannot lawfully be made. So long as the Trust makes a good-faith effort to
comply with any state law
 
                                       13
<PAGE>   14
 
deemed applicable to the Offer, the Trust believes that the exclusion of holders
residing in such jurisdiction is permitted under Rule 13e-4(f)(9) promulgated
under the Exchange Act. In any jurisdiction the securities or Blue Sky laws of
which require the Offer to be made by a licensed broker or dealer, the Offer
shall be deemed to be made on the Trust's behalf by one or more registered
brokers or dealers licensed under the laws of such jurisdiction.
 
March 21, 1997                              VAN KAMPEN AMERICAN CAPITAL
                                              PRIME RATE INCOME TRUST
 
                                       14
<PAGE>   15
 
                        INDEPENDENT ACCOUNTANTS' REPORT
 
The Board of Trustees and Shareholders of
Van Kampen American Capital Prime Rate Income Trust:
 
We have audited the accompanying statement of assets and liabilities of Van
Kampen American Capital Prime Rate Income Trust (the "Trust"), including the
portfolio of investments, as of July 31, 1996, and the related statements of
operations and cash flows for the year then ended, the statement of changes in
net assets for each of the two years in the period then ended and the financial
highlights for each of the periods presented. These financial statements and
financial highlights are the responsibility of the Trust's management. Our
responsibility is to express an opinion on these financial statements and
financial highlights based on our audits.
    We conducted our audits in accordance with generally accepted auditing
standards. Those standards require that we plan and perform the audit to obtain
reasonable assurance about whether the financial statements and financial
highlights are free of material misstatement. An audit includes examining, on a
test basis, evidence supporting the amounts and disclosures in the financial
statements. Our procedures included confirmation of securities and variable rate
senior loan interests owned as of July 31, 1996, by correspondence with the
custodian and selling or agent banks; where replies were not received we
performed other auditing procedures. An audit also includes assessing the
accounting principles used and significant estimates made by management, as well
as evaluating the overall financial statement presentation. We believe that our
audits provide a reasonable basis for our opinion.
    In our opinion, the financial statements and financial highlights referred
to above present fairly, in all material respects, the financial position of Van
Kampen American Capital Prime Rate Income Trust as of July 31, 1996, the results
of its operations and cash flows for the year then ended, the changes in its net
assets for each of the two years in the period then ended and the financial
highlights for each of the periods presented in conformity with generally
accepted accounting principles.
 
                                                           KPMG Peat Marwick LLP
 
Chicago, Illinois
September 18, 1996
 
                                      A-1
<PAGE>   16
 
                            PORTFOLIO OF INVESTMENTS
 
                                 July 31, 1996
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
Principal
 Amount                                                                                      Stated             Value
  (000)                                     Borrower                                       Maturity*            (000)
- ------------------------------------------------------------------------------------------------------------------------
<C>         <S>                                                                       <C>                     <C>
            VARIABLE RATE** SENIOR LOAN INTERESTS
            AEROSPACE/DEFENSE  1.8%
$  14,604   Alliant Techsystems, Inc., Term Loan -- Manufacturer of ordnance,
            composite metals.........................................................       03/15/01          $   14,649
   10,205   Grimes Aerospace Co., Term Loan -- Airplane electronics manufacturer.....       12/31/99              10,483
    3,237   Grimes Aerospace Co., Revolving Credit...................................       12/31/99               3,380
   19,800   Gulfstream Delaware Corp., Term Loan -- Aircraft manufacturer............       03/31/98              19,786
    9,611   Howmet Acquisition Co., Term Loan -- Manufacturer of aerospace
            supplies................................................................. 11/20/02 to 05/20/03         9,641
   21,151   Northrop Grumman Corp., Term Loan -- Manufacturer and contractor of
            defense aircraft and electronic systems..................................       03/02/02              21,319
    9,325   Tracor, Inc., Term Loan -- Manufacturer of electronic systems and devices
            for the defense and aerospace industries................................. 10/31/00 to 04/30/01         9,351
                                                                                                              ----------
                                                                                                                  88,609
                                                                                                              ----------
            BUILDING/HOUSING  2.1%
   59,950   National Gypsum Co., Term Loan -- Wallboard manufacturer.................       09/20/03              60,054
   19,760   PrimeCo, Inc., Term Loan -- Equipment leasing............................       12/31/00              19,783
    3,333   RSI Home Products, Inc., Term Loan -- Bath and kitchen cabinet
            manufacturer.............................................................       11/30/99               3,361
   19,833   Walter Industries, Inc., Term Loan -- Home builder.......................       01/22/03              19,863
                                                                                                              ----------
                                                                                                                 103,061
                                                                                                              ----------
            CABLE  11.0%
    9,368   Adelphia Cable Partners, L.P., Revolving Credit -- Cable television
            operator.................................................................       12/31/03               9,388
    3,507   Alexcom Limited Partnership, Term Loan -- Cellular telephone systems
            operator.................................................................       06/30/20               3,506
   12,000   Cablevision of Ohio, Term Loan -- Cable television owner/operator........       12/31/05              12,017
   70,000   Charter Communications, Term Loan -- Cable television systems operator... 12/31/03 to 12/31/04        70,322
   42,500   Chelsea Communications, Inc., Term Loan -- Cable television systems
            operator.................................................................       09/30/04              42,625
   21,500   Classic Cable, Inc., Term Loan -- Cable television systems operator......       06/30/05              21,658
   16,830   Coaxial Communications of Central Ohio, Term Loan -- Cable television
            systems operator.........................................................       12/31/99              16,722
   52,861   Colony Communications, Revolving Credit -- Cable television operator.....       09/30/04              53,017
   26,625   Comcast MH Holdings, Term loan -- Cable television systems operator......       12/31/03              26,681
   45,789   Continental Cablevision, Revolving Credit -- Cable television systems
            operator.................................................................       10/10/03              45,900
    3,281   CSG Systems International, Inc., Term Loan -- Communications management
            consultant...............................................................       12/31/00               3,285
   38,000   Falcon Cable Media, Term Loan -- Cable television systems operator.......       07/11/05              38,074
   26,500   Frontiervision Operating Partners, L.P., Term Loan -- Cable television
            operator.................................................................       06/30/05              26,639
    6,650   James Cable Partners, L.P., Term Loan -- Cable television systems
            operator.................................................................       06/30/00               6,716
      200   James Cable Partners, L.P., Revolving Credit.............................       06/30/00                 209
    6,250   Lenfest Communications, Term Loan -- Cable television operator...........       09/30/03               6,325
   60,313   Marcus Cable Operating Co., L.P., Term Loan -- Cable television systems
            operator................................................................. 12/31/02 to 04/30/04        60,874
    2,500   Marcus Cable Operating Co., L.P., Revolving Credit.......................       12/31/02               2,657
    8,711   Maryland Cable, Term Loan -- Cable television systems operator...........       12/31/02               8,717
    8,500   Northland Cable Television, Inc., Term Loan -- Cable television systems
            operator.................................................................       09/30/03               8,503
   47,500   TCI Pacific Communications, Term Loan -- Cable television services
            provider.................................................................       12/31/04              47,667
    6,964   TCI Southeast, Inc., Term Loan -- Cable television systems operator......       06/30/01               6,964
    2,657   TCI Southeast, Inc., Revolving Credit....................................       06/30/01               2,681
   10,000   UCA Corp., Revolving Credit -- Cable television operator.................       09/30/03              10,088
    3,334   Viacom Cablevision, Term Loan -- Cable television systems operator.......       07/01/02               3,345
                                                                                                              ----------
                                                                                                                 534,580
                                                                                                              ----------
            CHEMICAL  2.3%
    9,951   AEP Industries, Inc., Term Loan -- Manufacturer and converter of plastic
            products.................................................................       07/31/02               9,976
    9,250   Cedar Chemicals Corp., Term Loan -- Manufacturer of fertilizer...........       10/30/03               9,308
    6,429   Chattem, Inc., Term Loan -- Manufacturer and marketer of
            pharmaceuticals..........................................................       10/30/02               6,457
    8,887   Freedom Chemical Co., Term Loan -- Manufacturer of specialty chemicals...       06/30/02               8,820
    9,923   Hampshire Chemical Co., Term Loan -- Manufacturer of specialty
            chemicals................................................................       09/01/03               9,949
</TABLE>
 
                      See Notes to Financial Statements
 
                                     A-2
<PAGE>   17
 
                      PORTFOLIO OF INVESTMENTS (CONTINUED)
 
                                 July 31, 1996
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
Principal
 Amount                                                                                      Stated             Value
  (000)                                     Borrower                                       Maturity*            (000)
- ------------------------------------------------------------------------------------------------------------------------
<C>         <S>                                                                       <C>                     <C>
            CHEMICAL (CONTINUED)
$  33,641   Huntsman Group Holding Corp., Term Loan -- Integrated chemical, plastic
            and packaging producer...................................................       12/31/02          $   33,688
   11,143   Huntsman Group Holding Corp., Revolving Credit...........................       12/31/02              11,171
    2,253   Rheox, Inc., Term Loan -- Chemical additives manufacturer................       12/31/97               2,218
    7,000   Texas Petrochemicals, Term Loan -- Processor of petrochemicals...........       06/30/04               7,024
   12,507   Thoro System Products, Inc., Term Loan -- Manufacturer of chemicals for
            construction industry....................................................       12/20/02              12,414
                                                                                                              ----------
                                                                                                                 111,025
                                                                                                              ----------
            ELECTRIC/ELECTRONICS  1.0%
   34,125   Berg Electronics, Inc., Term Loan -- Manufacturer of electronic
            connectors...............................................................       12/31/02              34,196
    1,950   Exide Electronics Group, Inc., Term Loan -- Manufacturer of
            uninterruptible power supply products....................................       03/13/01               1,958
    3,120   Exide Electronics Group, Inc., Revolving Credit..........................       03/13/01               3,141
    8,358   Rowe International, Inc., Term Loan -- Manufacturer of jukeboxes and
            electronic equipment.....................................................       12/31/96               7,940
                                                                                                              ----------
                                                                                                                  47,235
                                                                                                              ----------
            ENTERTAINMENT/LEISURE  4.1%
    3,452   DW Investment, Inc., Term Loan -- Communications and entertainment
            conglomerate.............................................................       08/09/00               3,459
    6,643   Fairways Group, L.P., Term Loan -- Multiple golf course owner/operator...       04/30/02               6,735
    6,000   H.E.C. Investments, Inc., Term Loan -- Fitness club operator.............       12/31/00               6,030
   30,000   Marvel Entertainment, Term Loan -- Children's magazine publisher.........       02/28/02              30,069
    8,500   Marvel IV Holdings, Revolving Credit -- Comic books, sports cards and
            outdoor equipment distributor............................................       06/03/99               8,741
   30,000   Metro-Goldwyn-Mayer, Term Loan -- Movie/television producer..............       04/15/97              30,101
   25,000   Orion Pictures Corp., Term Loan -- Theatrical production.................       06/30/01              25,188
    8,000   Panavision International, L.P., Term Loan -- Manufacturer and lessor of
            motion picture cameras and lenses........................................       03/31/04               8,040
   26,115   Six Flags Theme Parks, Term Loan -- Theme park operator..................       06/23/03              26,181
    8,333   TW Recreational Service, Term Loan -- Provider of food and services for
            state and national parks.................................................       09/30/02               8,394
    9,700   The U.S. Playing Card Co., Term Loan -- Manufacturer/distributor of
            playing cards............................................................       09/30/02               9,668
   34,901   Viacom, Inc., Term Loan -- Entertainment media/television programming....       07/01/02              34,977
                                                                                                              ----------
                                                                                                                 197,583
                                                                                                              ----------
            FINANCE  0.7%
    8,000   American Life Holding Co., Term Loan -- Life insurance company...........       04/15/03               8,012
    4,991   Ark Asset Holdings, Inc., Term Loan -- Institutional money manager.......       11/30/01               5,008
   12,500   Blackstone Capital Co., Term Loan -- Financial services company..........       01/13/97              12,500
    7,833   Conseco, Inc., Revolving Credit -- Life insurance company................       04/12/01               7,898
                                                                                                              ----------
                                                                                                                  33,418
                                                                                                              ----------
            FOOD/BEVERAGE  6.8%
   10,973   American Italian Pasta Co., Term Loan -- Pasta products producer.........       02/28/04              11,030
   11,720   Amerifoods, Inc., Term Loan -- Manufacturer of snack foods and bakery
            products................................................................. 12/31/97 to 06/30/02         9,999
    4,178   Edwards Baking Corp., Term Loan -- Manufacturer of bakery products....... 09/30/00 to 10/31/02         4,200
   22,687   Foodbrands America, Term Loan -- Manufacturer of food products........... 01/15/00 to 02/28/03        22,769
      473   Foodbrands America, Revolving Credit.....................................       01/15/00                 476
    4,888   Ghirardelli Holdings Corp., Term Loan -- Manufacturer of chocolate
            products.................................................................       03/30/03               4,940
    9,979   IM Stadium, Inc., Term Loan -- Sports stadium concessions................ 12/31/02 to 12/31/03        10,049
   14,943   Keebler Holding Corp., Term Loan -- Manufacturer and distributor of
            cookies and crackers..................................................... 07/31/03 to 07/31/04        14,961
    1,995   Mistic Brands, Inc., Revolving Credit -- Producer and marketer of
            carbonated and non-carbonated beverages..................................       09/30/99               2,042
    5,625   Mistic Brands, Inc., Term Loan...........................................       09/30/01               5,759
   18,905   President Baking Co., Inc., Term Loan -- Bread/bread products
            manufacturer.............................................................       12/30/02              18,857
   35,000   Rykoff-Sexton, Inc., Term Loan -- Distributor and manufacturer of food
            and related non-food products............................................ 10/31/02 to 04/30/03        35,106
   46,691   S.C. International Services, Term Loan -- In-flight food services........ 09/30/00 to 09/30/03        46,895
   14,165   Select Beverages, Inc., Term Loan -- Independent bottler................. 06/30/01 to 06/30/02        14,238
</TABLE>
 
                      See Notes to Financial Statements
 
                                     A-3
<PAGE>   18
 
                      PORTFOLIO OF INVESTMENTS (CONTINUED)
 
                                 July 31, 1996
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
Principal
 Amount                                                                                      Stated             Value
  (000)                                     Borrower                                       Maturity*            (000)
- ------------------------------------------------------------------------------------------------------------------------
<C>         <S>                                                                       <C>                     <C>
            FOOD/BEVERAGE (CONTINUED)
$  68,298   Silgan Corp., Term Loan -- Manufacturer of food cans..................... 12/31/00 to 03/15/02    $   68,314
    4,805   Silgan Corp., Revolving Credit...........................................       12/31/00               4,805
   25,000   Stroh Brewery Co., Term Loan -- Beer producer and distributor............       06/30/03              25,135
    3,281   Tom's Foods, Inc., Term Loan -- Snack foods producer/distributor (d).....       12/31/98               1,968
   21,000   Van De Kamp's, Inc., Term Loan -- Frozen seafood processor/distributor... 04/30/03 to 09/30/03        21,084
    7,673   Windsor Quality Food, Term Loan -- Frozen food processor.................       12/31/01               7,710
                                                                                                              ----------
                                                                                                                 330,337
                                                                                                              ----------
            FOOD STORES  6.4%
    9,600   Big V Supermarkets, Inc., Term Loan -- Northeastern retail food chain
            operator.................................................................       03/15/00               9,596
   61,247   Bruno's, Inc., Term Loan -- Southeastern retail food chain operator...... 02/18/03 to 02/18/05        61,570
   12,935   Carr-Gottstein Foods, Term Loan -- Alaska based retail food chain
            operator.................................................................       12/31/02              12,949
   41,985   Dominick's Finer Foods, Inc., Term Loan -- Illinois based retail food
            chain operator........................................................... 03/31/02 to 09/30/03        42,240
   20,128   Grand Union Co., Term Loan -- New York based retail food chain
            operator.................................................................       06/15/02              20,131
    7,733   Harvest Foods, Inc., Term Loan -- Mississippi based retail food chain
            operator (d) (g).........................................................       06/30/02               7,051
   31,678   Pathmark Stores, Inc., Term Loan -- New Jersey based retail food chain
            operator................................................................. 07/31/98 to 10/31/99        31,604
    3,294   Ralph's Grocery Co., Revolving Credit -- Los Angeles, California based
            retail food chain operator...............................................       06/15/01               3,441
   47,786   Ralph's Grocery Co., Term Loan........................................... 06/15/01 to 02/15/04        47,976
   70,097   Smith Food & Drug Center, Term Loan -- Food and drug retailer............ 08/31/02 to 11/30/04        70,449
    6,684   Star Markets Co., Inc., Term Loan -- New England based retail food chain
            operator................................................................. 01/31/02 to 12/31/02         6,695
                                                                                                              ----------
                                                                                                                 313,702
                                                                                                              ----------
            FUEL RETAILER  0.1%
    3,721   Petro PSC Properties, L.P., Term Loan -- Multi-service truck-stop
            operator.................................................................       05/18/01               3,721
    3,048   Truckstops of America, Inc., Term Loan -- Interstate fueling stations
            operator.................................................................       12/10/00               3,014
                                                                                                              ----------
                                                                                                                   6,735
                                                                                                              ----------
            HEALTHCARE  3.3%
   60,000   Community Health Systems, Inc., Term Loan -- Provider of healthcare
            services................................................................. 12/31/03 to 12/31/05        60,290
   57,265   Dade International, Inc., Term Loan -- Medical equipment
            manufacturer/marketer.................................................... 12/31/01 to 12/31/04        57,543
      168   Dade International, Inc., Revolving Credit...............................       12/31/01                 184
   15,923   Graphic Controls Corp., Term Loan -- Manufacturer of medical equipment...       09/28/03              15,970
    7,542   Integrated Health Services, Inc., Revolving Credit -- Provider of
            post-acute healthcare services...........................................       06/30/02               7,746
   18,500   Merit Behavioral Corp., Term Loan -- Psychiatric hospital operator.......       10/06/03              18,565
                                                                                                              ----------
                                                                                                                 160,298
                                                                                                              ----------
            MANUFACTURING  11.6%
   12,406   Calmar, Inc., Term Loan -- Manufacturer of dispensing and spray
            products................................................................. 09/15/03 to 03/15/04        12,443
   21,400   Cambridge Industries, Inc., Term Loan -- Manufacturer of plastic
            components for autos..................................................... 05/17/02 to 05/17/04        21,577
    9,979   CBP Resources, Inc., Term Loan -- Manufacturer of animal feed
            ingredients..............................................................       09/30/03              10,035
   18,759   Collins & Aikman Products Co., Term Loan -- Manufacturer of auto
            interiors, home interiors and wallpapers.................................       12/31/02              18,756
    9,697   Dal-Tile Group, Inc., Revolving Credit -- Ceramic tile and floor covering
            manufacturer/retailer....................................................       01/09/98               9,697
   21,978   Desa International, Inc., Term Loan -- Diversified manufacturer of
            heaters, fireplaces, and specialty tools.................................       02/28/03              22,144
    9,321   Ebel USA, Inc., Term Loan -- Manufacturer of luxury time pieces..........       09/30/01               9,330
    6,038   Essex Group, Inc., Term Loan -- Manufacturer of electrical wire and
            cable....................................................................       04/30/00               6,048
    8,936   Fiberite, Inc., Term Loan -- Manufacturer of composite fibers............       12/31/01               8,977
   43,588   Furniture Brands International, Inc., Term Loan -- Manufacturer and
            marketer of furniture.................................................... 12/29/01 to 03/29/04        43,702
    7,821   The Hawk Group of Companies, Inc., Term Loan -- Manufacturer of powdered
            metals and friction materials............................................       06/30/02               7,857
   11,042   Health O Meter, Inc., Term Loan -- Manufacturer of small appliances......       08/15/01              10,982
</TABLE>
 
                      See Notes to Financial Statements
 
                                     A-4
<PAGE>   19
 
                      PORTFOLIO OF INVESTMENTS (CONTINUED)
 
                                 July 31, 1996
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
Principal
 Amount                                                                                      Stated             Value
  (000)                                     Borrower                                       Maturity*            (000)
- ------------------------------------------------------------------------------------------------------------------------
<C>         <S>                                                                       <C>                     <C>
            MANUFACTURING (CONTINUED)
$  10,000   Hedstrom Corp., Term Loan -- Manufacturer of children's outdoor toys.....       04/27/01          $   10,039
   36,486   Hayes Wheels International, Inc., Term Loan -- Designer and manufacturer
            of car and truck wheels.................................................. 07/31/02 to 07/31/04        36,606
      239   Hayes Wheels International, Inc., Revolving Credit.......................       07/31/04                 239
    9,444   Hunt Manufacturing Co., Term Loan -- Manufacturer and distributor of
            office and art supplies..................................................       12/31/00               9,450
    9,941   Intermetro Industries Corp., Term Loan -- Manufacturer of metal/polymer
            storage products......................................................... 06/30/01 to 12/31/02         9,891
   36,124   International Wire Group, Term Loan -- Manufacturer of auto, appliance
            and
            communication wires...................................................... 09/30/02 to 09/30/03        36,242
   10,072   IPC, Inc., Term Loan -- Manufacturer of packaging materials..............       09/30/01              10,101
   29,501   Johnstown America, Term Loan -- Manufacturer of railcars.................       03/31/03              29,597
   29,878   K-Tec Holdings, Inc., Term Loan -- Manufacturer of telecommunications
            equipment................................................................ 02/01/03 to 02/01/04        29,961
   19,463   Lear Seating Corp., Revolving Credit -- Manufacturer of automobile and
            truck seat systems.......................................................       09/30/01              19,449
    8,982   Merkle-Korff Industries, Term Loan -- Manufacturer of electrical
            motors................................................................... 09/22/01 to 06/15/03         9,048
       53   Merkle-Korff Industries, Revolving Credit................................       09/22/01                  61
   15,772   M.W. Manufacturers, Term Loan -- Conglomerate............................       09/15/02              15,871
   11,709   National-Oilwell, L.P., Term Loan -- Oil equipment manufacturer..........       12/31/01              11,760
   11,967   Numatics, Inc., Term Loan -- Manufacturer of pneumatic fluid power
            equipment................................................................       12/31/03              12,059
    8,000   Personal Care Holdings, Term Loan -- Manufacturer and marketer of
            consumer products........................................................       04/03/03               8,074
    5,000   Precise Technology, Term Loan -- Custom injection molding company........       03/31/03               5,052
   10,000   RBX Corp., Term Loan -- Manufacturer of rubber products..................       12/31/03              10,025
    9,694   RTI Funding Corp., Term Loan -- Manufacturer of building blocks for
            children................................................................. 02/08/03 to 02/03/04         9,766
    1,111   Samsonite Corp., Term Loan -- Manufacturer of luggage....................       07/14/00               1,111
      556   Samsonite Corp., Revolving Credit........................................       07/14/00                 556
    7,000   Simmons Co., Term Loan -- Manufacturer and distributor of bedding........       03/31/03               7,028
   16,204   Spalding & Evenflo Cos., Inc., Term Loan -- Manufacturer of sporting
            goods.................................................................... 10/31/00 to 10/14/02        16,264
    6,700   Sportcraft, Ltd., Term Loan -- Supplier of branded sporting goods........       12/31/02               6,764
   10,559   Stanadyne Automotive, Term Loan -- Manufacturer of diesel injection
            devices and engine parts.................................................       12/31/01              10,589
   18,400   Thompson Minwax Co., Term Loan -- Manufacturer of wood stains and
            finishing products.......................................................       12/31/02              18,433
   15,621   T.K.G. Acquisition, Term Loan -- Office furniture manufacturer........... 02/28/02 to 08/31/03        15,684
   27,000   UCAR International, Inc., Term Loan -- Manufacturer of graphite/carbide
            electrodes...............................................................       12/31/02              27,050
    7,910   U.F. Acquisition, Term Loan -- Provider of fixtures and storage for
            retail stores............................................................       12/15/02               8,013
                                                                                                              ----------
                                                                                                                 566,331
                                                                                                              ----------
            PAPER  7.1%
    4,963   Crown Paper Co./Crown Vantage, Inc., Term Loan -- Producer of value-added
            paper products...........................................................       08/22/03               4,962
    4,750   CST Office Products, Inc., Term Loan -- Manufacturer and distributor of
            stock computer forms.....................................................       03/31/01               4,815
   66,278   Fort Howard Corp., Term Loan -- Paper manufacturer....................... 03/31/02 to 12/31/02        66,621
  113,319   Jefferson Smurfit Corp., Term Loan -- Corrugated paper products
            manufacturer............................................................. 04/30/01 to 10/31/02       113,463
   10,112   Mail-Well Corp., Term Loan -- Manufacturer of envelopes and graphic
            printers................................................................. 07/31/98 to 07/31/03        10,176
    1,042   Mail-Well SPX, Term Loan -- Manufacturer of envelopes and graphic
            printers.................................................................       07/31/03               1,047
    2,609   Mail-Well SPX, Revolving Credit..........................................       07/31/03               2,624
   29,787   S.D. Warren Co., Term Loan -- Coated-free paper manufacturer.............       04/26/04              29,850
   92,145   Stone Container Corp., Term Loan -- Paper products manufacturer.......... 04/01/00 to 10/01/03        92,212
   18,064   United Stationers Supply Co., Term Loan -- Distributor of office
            products.................................................................       03/31/02              18,129
                                                                                                              ----------
                                                                                                                 343,899
                                                                                                              ----------
            PERSONAL/NON-DURABLE  3.1%
   44,640   Mary Kay Cosmetics, Term Loan -- Direct cosmetic sales...................       12/06/02              44,714
   37,935   Playtex Products, Inc., Term Loan -- Manufacturer of beauty aid and
            hygiene products.........................................................       06/30/02              38,017
   55,000   Revlon Consumer Products Corp., Term Loan -- Manufacturer of cosmetics...       12/31/00              55,430
   11,000   Treasure Chest Advertising Co., Inc., Term Loan -- Advertising and
            information services.....................................................       12/31/01              11,000
                                                                                                              ----------
                                                                                                                 149,161
                                                                                                              ----------
</TABLE>
 
                      See Notes to Financial Statements
 
                                     A-5
<PAGE>   20
 
                      PORTFOLIO OF INVESTMENTS (CONTINUED)
 
                                 July 31, 1996
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
Principal
 Amount                                                                                      Stated             Value
  (000)                                     Borrower                                       Maturity*            (000)
- ------------------------------------------------------------------------------------------------------------------------
<C>         <S>                                                                       <C>                     <C>
            PRINTING  2.0%
$  16,500   Advanstar Holdings, Inc., Term Loan -- Trade magazine publisher and trade
            show exhibitor...........................................................       12/21/03          $   16,594
   47,889   American Media Operations, Inc., Term Loan -- Magazine/newspaper
            publisher................................................................ 09/30/01 to 09/30/02        47,840
   28,350   Journal News, Inc., Term Loan -- Multiple newspaper printer..............       12/31/01              28,411
    7,097   Polyfibron Technologies, Inc., Term Loan -- Textile manufacturer.........       12/31/01               7,131
                                                                                                              ----------
                                                                                                                  99,976
                                                                                                              ----------
            RADIO AND TELEVISION BROADCASTING  8.2%
    9,100   Benedek Broadcasting Corp., Term Loan -- Television station
            owner/operator........................................................... 05/01/01 to 11/01/02         9,131
   11,629   Chancellor Corp., Term Loan -- Radio station owner/operator.............. 09/01/02 to 09/01/03        11,720
      356   Chancellor Corp., Revolving Credit.......................................       09/01/02                 370
   44,000   E.H. & F., Inc., Term Loan -- Outdoor media.............................. 06/30/02 to 12/21/03        44,198
   32,859   Ellis Communications, Inc., Term Loan -- Southeastern U.S. television
            station owner/operator................................................... 03/31/02 to 03/31/03        32,929
    4,800   Evergreen Media Corp., Term Loan -- Radio station owner/operator.........       12/31/02               4,802
   12,544   Evergreen Media Corp., Revolving Credit..................................       12/31/02              12,551
    1,500   Granite Broadcasting Corp., Revolving Credit -- Midwestern television
            station owner/operator...................................................       12/31/01               1,510
   14,000   Heftel Broadcasting Corp., Term Loan -- Spanish language radio
            broadcasting.............................................................       09/30/02              14,113
   15,000   NWC Acquisition Corp., Term Loan -- Television production and
            broadcasting.............................................................       09/30/01              15,023
   15,000   Patterson Broadcasting, Term Loan -- Radio station operator..............       06/30/04              15,107
   10,800   River City Broadcasting, L.P., Term Loan -- Midwestern radio station
            owner/operator...........................................................       12/31/99              10,853
   13,145   Shared Technologies, Term Loan -- Provider of telecommunications
            services................................................................. 03/30/01 to 03/31/03        13,211
      667   Shared Technologies, Revolving Credit....................................       03/30/01                 677
   53,750   Sinclair Broadcasting Group, Inc., Term Loan -- Television and radio
            station owner/operator................................................... 12/31/02 to 11/30/03        53,863
    2,763   Sinclair Broadcasting Group, Inc., Revolving Credit......................       11/30/03               2,770
   13,345   SKTV, Inc., Term Loan -- Television station owner/operator...............       07/31/02              13,260
    7,133   Smith Television, Term Loan -- Television station owner/operator.........       12/31/02               7,185
   23,320   Sullivan Broadcasting, Term Loan -- Television station owner/operator....       12/31/03              23,405
    1,680   Sullivan Broadcasting, Revolving Credit..................................       12/31/03               1,685
  111,795   Westinghouse Electric, Term Loan -- Radio and television broadcaster.....       11/24/02             112,046
                                                                                                              ----------
                                                                                                                 400,409
                                                                                                              ----------
            RESTAURANTS  0.3%
    8,952   America's Favorite Chicken Co., Term Loan -- Church's and Popeye's Fried
            Chicken restaurants......................................................       10/31/01               8,951
    1,085   Carvel Corp., Term Loan -- Soft ice cream products franchiser............       12/31/98               1,084
    6,394   Long John Silver's Restaurants, Inc., Term Loan -- Retail seafood
            restaurant owner/operator................................................       09/30/97               6,394
                                                                                                              ----------
                                                                                                                  16,429
                                                                                                              ----------
            RETAIL  7.0%
      175   American Blind and Wallpaper Factory, Inc., Term Loan -- Wallcover
            distributor..............................................................       10/31/96                 173
   32,500   Camelot Music, Inc., Term Loan -- Retail distributor of music and video
            cassettes (f)............................................................       02/28/02              24,375
   17,525   Color Tile, Inc., Term Loan -- National retailer of floor and wall
            covering products (d) (g)................................................       12/31/98              12,271
      780   Color Tile Holdings, Inc., Revolving Credit -- National retailer of floor
            and wall covering products (g)...........................................       12/31/96                 763
    8,400   Eckerd Corp., Term Loan -- Retail drug store.............................       11/29/00               8,403
   20,366   Federated Department Stores, Inc., Term Loan -- National department store
            chain....................................................................       03/31/00              20,610
    4,782   Federated Department Stores, Inc., Revolving Credit......................       03/31/00               5,022
    3,000   Kirklands Holdings, Term Loan -- Retailer of decorative home accessories
            and gift items...........................................................       06/30/02               3,022
   50,000   Kmart Corp., Term Loan -- International mass merchandise retailer........       06/17/99              50,704
    5,368   Luxottica U.S. Holdings, Revolving Credit -- Manufacturer/distributor of
            eyeglasses...............................................................       06/30/01               5,380
   15,311   Luxottica U.S. Holdings, Term Loan.......................................       06/30/01              15,323
    7,470   Nebraska Book Co., Term Loan -- Used book distributor....................       10/31/03               7,512
    6,455   Nine West Group, Inc., Term Loan -- Shoe designer and retailer...........       10/01/01               6,455
   38,857   Payless Cashways, Inc., Term Loan -- Building products retailer..........       11/18/00              38,922
   10,939   Peebles, Inc., Term Loan -- Mid-Atlantic retailer........................       06/09/02              11,206
   19,792   QVC Programming, Term Loan -- Home shopping television network...........       02/15/02              19,853
</TABLE>
 
                      See Notes to Financial Statements
 
                                     A-6
<PAGE>   21
 
                      PORTFOLIO OF INVESTMENTS (CONTINUED)
 
                                 July 31, 1996
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
Principal
 Amount                                                                                      Stated             Value
  (000)                                     Borrower                                       Maturity*            (000)
- ------------------------------------------------------------------------------------------------------------------------
<C>         <S>                                                                       <C>                     <C>
            RETAIL (CONTINUED)
$  31,495   Saks & Co., Term Loan -- Retail fashions and accessories.................       06/30/00          $   31,674
    2,191   Service Merchandise, Revolving Credit -- Catalog retailer................       06/08/99               2,279
   16,875   Thrifty Payless, Inc., Term Loan -- Retail drug store....................       10/19/02              17,026
   26,393   Thrifty Payless, Inc., Revolving Credit..................................       10/19/02              26,848
   31,429   TJX Companies, Inc., Term Loan -- Specialty apparel retailer.............       11/17/00              31,827
                                                                                                              ----------
                                                                                                                 339,648
                                                                                                              ----------
            TEXTILES  2.1%
   11,443   American Marketing Industries, Inc., Term Loan -- Textile manufacturer...       11/30/02              11,538
    8,645   Hosiery Corp. of America, Term Loan -- Manufacturer/direct mail marketer
            of women's hosiery.......................................................       07/31/01               8,526
   11,578   Ithaca Industries, Inc., Term Loan -- Undergarment and hosiery
            manufacturer.............................................................       10/31/98              11,401
      842   Ithaca Industries, Inc., Revolving Credit................................       10/31/98                 924
   14,652   Johnston Industries, Term Loan -- Diversified manufacturer of home
            furnishings and textiles.................................................       03/28/03              14,782
    3,083   London Fog Industries, Revolving Credit -- Manufacturer of rainwear and
            outerwear................................................................       03/31/97               3,150
   31,466   London Fog Industries, Inc., Term Loan...................................       05/31/02              29,866
   20,000   Polymer Group, Inc., Term Loan -- Manufacturer of polyolefin products....       03/31/02              20,050
                                                                                                              ----------
                                                                                                                 100,237
                                                                                                              ----------
            TRANSPORTATION  0.2%
   12,500   Northwest Airlines, Inc., Term Loan -- Minnesota-based cargo and
            passenger airliner.......................................................       12/15/99              12,548
                                                                                                              ----------
            WIRELESS COMMUNICATIONS  3.8%
   16,750   Arch Communications Group, Inc., Term Loan -- Wireless communications
            operator................................................................. 12/31/02 to 12/31/03        16,799
    1,163   Arch Communications Group, Inc., Revolving Credit........................       12/31/02               1,163
    5,000   Clarity Telecom, Inc., Term Loan -- Seller and servicer of telephone
            systems and software.....................................................       11/30/02               5,036
    8,125   Comcast Cellular Communications, Revolving Credit -- Cellular systems
            operator.................................................................       09/30/03               8,124
   17,739   Comcast Cellular Communications, Term Loan...............................       09/30/04              17,942
    6,585   Intesys Technologies, Inc., Term Loan -- Equipment manufacturer for
            telecommunications/autos.................................................       12/31/01               6,614
   39,000   Mobilemedia Communications, Term Loan -- Nationwide paging operator...... 06/30/02 to 06/30/03        38,999
   11,050   Skytel Corp., Revolving Credit -- Paging and personal communications
            services operator........................................................       12/31/01              11,153
   39,257   Smart SMR of California, Inc., Term Loan -- Cellular telephone systems
            operator.................................................................       03/15/01              39,257
   40,000   Western Wireless Corp., Term Loan -- Cellular and personal communications
            services operator........................................................       03/31/05              40,064
                                                                                                              ----------
                                                                                                                 185,151
                                                                                                              ----------
            OTHER  4.5%
   24,000   Advo, Inc., Term Loan -- Direct mail marketer............................       03/31/04              24,094
   25,000   Amax Gold, Inc., Term Loan -- Gold and silver mining and processing......       12/31/01              25,199
   58,141   AMF Group, Inc., Term Loan -- Integrated bowling equipment
            manufacturer............................................................. 03/31/01 to 03/31/04        58,198
      267   AMF Group, Inc., Revolving Credit........................................       03/31/01                 267
    6,913   Bankers Systems, Inc., Term Loan -- Compliance services supplier.........       11/02/02               6,916
   35,712   Borg-Warner Security Corp., Term Loan -- Protection services.............       12/31/98              36,192
    9,768   Fairmont Minerals, Ltd., Term Loan -- Silica pond and gravel supplier....       03/31/03               9,840
   10,000   HG Holdings, Inc., Term Loan -- Information processor....................       06/30/01              10,065
    5,840   Iron Mountain Information Services Inc., Term Loan -- Records management
            and storage..............................................................       06/28/02               5,840
   11,350   Loewen Group, Inc., Revolving Credit -- Funeral home and cemetery
            owner/operator...........................................................       05/29/01              11,546
   20,000   Primark Corp., Term Loan -- Information services provider................       06/30/02              20,020
    9,000   USS Acquisition, Inc., Term Loan -- Producer of industrial silica........       12/31/03               9,096
                                                                                                              ----------
                                                                                                                 217,273
                                                                                                              ----------
            TOTAL VARIABLE RATE ** SENIOR LOAN INTERESTS  89.5%......................                          4,357,645
                                                                                                              ----------
</TABLE>
 
                      See Notes to Financial Statements
 
                                     A-7
<PAGE>   22
 
                      PORTFOLIO OF INVESTMENTS (CONTINUED)
 
                                 July 31, 1996
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                                Value
                                            Borrower                                                            (000)
- ------------------------------------------------------------------------------------------------------------------------
<C>         <S>                                                                                               <C>
            EQUITIES  0.5%
            America's Favorite Chicken Co. (604,251 common shares) (b)(c).................................    $    2,004
            America's Favorite Chicken Co. ($3,486,400 par amount of preferred stock, 10.0% coupon,
            maturity 08/11/04, convertible to 10.0% cash pay subordinated debt) (b)(e)....................         3,593
            Best Products Co., Inc. (297,480 common shares) (c)...........................................           372
            Best Products Co., Inc. (Warrants for 28,080 common shares) (c)...............................             0
            Braelan Corp. Class A (10,975 common shares) (b)(c)...........................................         1,967
            Classic Cable, Inc. (Warrants for 760 common shares) (c)......................................             0
            Core-Mark International, L.L.C. (Class B ownership interest) (b)..............................         4,368
            Flagstar Cos., Inc. (8,755 common shares) (c).................................................            23
            London Fog Industries, Inc. (10,833,012 common shares) (b)(c).................................             0
            London Fog Industries, Inc., ($17,687,936 par amount of preferred stock, 17.5% coupon,
            maturity 05/31/02) (b)(e).....................................................................        12,503
            Nextel Communications, Inc. (Warrants for 60,000 common shares) (b)(c)........................             8
                                                                                                              ----------
            TOTAL EQUITIES................................................................................        24,838
                                                                                                              ----------
            TOTAL LONG-TERM INVESTMENTS  90.0%
              (Cost $4,388,796)(a)........................................................................     4,382,483
                                                                                                              ----------
            SHORT-TERM INVESTMENTS AT AMORTIZED COST
            COMMERCIAL PAPER  2.2%
            Amoco Corp. ($20,000,000 par, maturing 08/05/96, yielding 5.33%)..............................        19,988
            AT&T Corp. ($20,000,000 par, maturing 08/01/96, yielding 5.33%)...............................        20,000
            Cargill Financial Services Corp. ($20,000,000 par, maturing 08/05/96, yielding 5.36%).........        19,988
            Illinois Central Railroad Co. ($13,050,000 par, maturing 08/16/96, yielding 5.53% to 5.54%)...        13,020
            International Paper Co. ($20,000,000 par, maturing 08/07/96, yielding 5.34%)..................        19,982
            Nabisco Inc. ($14,000,000 par, maturing 08/01/96 to 08/20/96, yielding 5.46% to 5.70%)........        13,977
                                                                                                              ----------
            TOTAL COMMERCIAL PAPER........................................................................       106,955
                                                                                                              ----------
            SHORT-TERM LOAN PARTICIPATIONS  7.4%
            Anadarko Petroleum Corp. ($20,000,000 par, maturing 08/06/96 to 08/07/96, yielding 5.43% to
            5.56%)........................................................................................        20,000
            Army & Air Force Exchange Services ($17,000,000 par, maturing 08/13/96, yielding 5.41%).......        17,000
            Ashland Oil Co. ($20,000,000 par, maturing 08/01/96 to 08/07/96, yielding 5.43% to 5.68%).....        20,000
            Baxter International, Inc. ($20,000,000 par, maturing 08/26/96, yielding 5.55%)...............        20,000
            Bell Atlantic Financial Services ($20,000,000 par, maturing 08/01/96, yielding 5.44%).........        20,000
            Bell Atlantic Network Funding ($8,900,000 par, maturing 08/05/96, yielding 5.33%).............         8,900
            Cabot Corp. ($10,000,000 par, maturing 08/01/96, yielding 5.43%)..............................        10,000
            Centex Corp. ($20,000,000 par, maturing 08/08/96, yielding 5.50%).............................        20,000
            Conagra Inc. ($20,000,000 par, maturing 08/30/96, yielding 5.50%).............................        20,000
            Echlin, Inc. ($7,000,000 par, maturing 08/02/96, yielding 5.32%)..............................         7,000
            Englehard Corp. ($20,000,000 par, maturing 08/02/96, yielding 5.40%)..........................        20,000
            Enron Corp. ($20,000,000 par, maturing 08/05/96, yielding 5.47%)..............................        20,000
            Gillette Co. ($10,650,000 par, maturing 08/01/96, yielding 5.63%).............................        10,650
            Hertz Corp. ($10,000,000 par, maturing 08/02/96, yielding 5.41%)..............................        10,000
            Nabisco Inc. ($6,000,000 par, maturing 08/01/96, yielding 5.80%)..............................         6,000
            Olin Corp. ($20,000,000 par, maturing 08/01/96, yielding 5.75%)...............................        20,000
            Pacific Telecom Inc. ($10,000,000 par, maturing 08/16/96, yielding 5.51%).....................        10,000
            Pacificorp ($12,000,000 par, maturing 08/12/96, yielding 5.59%)...............................        12,000
            Ralston Purina Co. ($20,000,000 par, maturing 08/09/96, yielding 5.55%).......................        20,000
            Tandy Corp. ($6,350,000 par, maturing 08/20/96, yielding 5.47%)...............................         6,350
            Temple Inland Inc. ($11,000,000 par, maturing 08/01/96, yielding 5.45%).......................        11,000
</TABLE>
 
                      See Notes to Financial Statements
 
                                     A-8
<PAGE>   23
 
                      PORTFOLIO OF INVESTMENTS (CONTINUED)
 
                                 July 31, 1996
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                                                Value
                                            Borrower                                                            (000)
- ------------------------------------------------------------------------------------------------------------------------
            <S>                                                                                               <C>
            SHORT-TERM LOAN PARTICIPATIONS (CONTINUED)
            Tyson Foods ($20,000,000 par, maturing 08/08/96, yielding 5.44% to 5.45%).....................    $   20,000
            USAA Capital Corp. ($10,000,000 par, maturing 08/01/96, yielding 5.40%).......................        10,000
            Western Resources Inc. ($20,000,000 par, maturing 08/06/96 to 08/19/96, yielding 5.50%).......        20,000
                                                                                                              ----------
            TOTAL SHORT-TERM LOAN PARTICIPATIONS..........................................................       358,900
                                                                                                              ----------
            TOTAL SHORT-TERM INVESTMENTS AT AMORTIZED COST  9.6%..........................................       465,855
                                                                                                              ----------
            OTHER ASSETS IN EXCESS OF LIABILITIES  0.4%...................................................        17,446
                                                                                                              ----------
            NET ASSETS  100.0%............................................................................    $4,865,784
                                                                                                              ==========
</TABLE>
 
(a) At July 31, 1996, cost for federal income tax purposes is $4,392,208,484;
    the aggregate gross unrealized appreciation is $24,440,164, and the
    aggregate gross unrealized depreciation is $34,165,402, resulting in net
    unrealized depreciation of $9,725,238.

(b) Restricted security.

(c) Non-income producing security, as this stock currently does not declare
    dividends.

(d) This Senior Loan Interest is non-income producing.
 
(e) Payment-in-kind security.
 
(f) In August, 1996, this Borrower filed for protection in federal bankruptcy
    court and as a result has become a non-income producing Senior Loan
    interest.
 
(g) This Borrower has filed for protection in federal bankruptcy court.
 
 *  Senior Loans in the Trust's portfolio generally are subject to mandatory
    and/or optional prepayment. Because of these mandatory prepayment conditions
    and because there may be significant economic incentives for a Borrower to
    prepay, prepayments of Senior Loans in the Trust's portfolio may occur. As a
    result, the actual remaining maturity of Senior Loans held in the Trust's
    portfolio may be substantially less than the stated maturities shown.
    Although the Trust is unable to accurately estimate the actual remaining
    maturity of individual Senior Loans, the Trust estimates that the actual
    average maturity of the Senior Loans held in its portfolio will be
    approximately 18-24 months.
 
**  Senior Loans in which the Trust invests generally pay interest at rates
    which are periodically redetermined by reference to a base lending rate plus
    a premium. These base lending rates are generally (i) the prime rate offered
    by one or more major United States banks, (ii) the lending rate offered by
    one or more major European banks, such as the London Inter-Bank Offered Rate
    ("LIBOR") and (iii) the certificate of deposit rate. Senior loans are
    generally considered to be restricted in that the Trust ordinarily is
    contractually obligated to receive approval from the Agent Bank and/or
    borrower prior to the disposition of a Senior Loan.
 
                      See Notes to Financial Statements
 
                                     A-9
<PAGE>   24
 
                      STATEMENT OF ASSETS AND LIABILITIES
 
                                 July 31, 1996
   All amounts, except for Net Asset Value information, reported in thousands
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                                              <C>
ASSETS:
Investments, at Market Value (Cost $4,388,796) (Note 1)........................  $4,382,483
Short-Term Investments (Note 1)................................................     465,855
Receivables:
  Interest and Fees............................................................      34,523
  Fund Shares Sold.............................................................      16,612
  Investments Sold.............................................................          44
Other..........................................................................          53
                                                                                 ----------
    Total Assets...............................................................   4,899,570
                                                                                 ----------
LIABILITIES:
Deferred Facility Fees.........................................................      20,716
Payables:
  Income Distributions.........................................................       5,672
  Investment Advisory Fee (Note 2).............................................       3,862
  Administrative Fee (Note 2)..................................................       1,026
  Custodian Bank...............................................................         557
  Distributor and Affiliates (Note 2)..........................................         353
Accrued Expenses...............................................................       1,555
Deferred Compensation and Retirement Plans (Note 2)............................          45
                                                                                 ----------
    Total Liabilities..........................................................      33,786
                                                                                 ----------
NET ASSETS.....................................................................  $4,865,784
                                                                                 ==========
NET ASSETS CONSIST OF:
Common Shares ($.01 par value with an unlimited number of shares authorized,
  486,490,317 shares issued and outstanding) (Note 3)..........................  $    4,865
Paid in Surplus (Note 3).......................................................   4,872,393
Accumulated Undistributed Net Investment Income................................       2,875
Net Unrealized Depreciation on Investments.....................................      (6,313)
Accumulated Net Realized Loss on Investments...................................      (8,036)
                                                                                 ----------
NET ASSETS.....................................................................  $4,865,784
                                                                                 ==========
NET ASSET VALUE PER COMMON SHARE
  ($4,865,784,178 divided by 486,490,317 shares outstanding)...................  $    10.00
                                                                                 ==========
</TABLE>
 
                      See Notes to Financial Statements
 
                                     A-10
<PAGE>   25
 
                            STATEMENT OF OPERATIONS
 
                        For the Year Ended July 31, 1996
                       All amounts reported in thousands
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                                              <C>
INVESTMENT INCOME:
Interest......................................................................   $311,378
Fees..........................................................................     24,771
Other.........................................................................      1,992
                                                                                 --------  
    Total Income..............................................................    338,141
                                                                                 --------  
EXPENSES:
Investment Advisory Fee (Note 2)..............................................     36,408
Administrative Fee (Note 2)...................................................      9,615
Shareholder Services (Note 2).................................................      4,708
Legal (Note 2)................................................................      1,281
Trustee Fees and Expenses (Note 2)............................................         35
Other.........................................................................      4,125
                                                                                 --------  
    Total Expenses............................................................     56,172
                                                                                 --------  
NET INVESTMENT INCOME.........................................................   $281,969
                                                                                 ========
REALIZED AND UNREALIZED GAIN/LOSS ON INVESTMENTS:
Net Realized Gain on Investments..............................................   $    542
                                                                                 --------
Unrealized Appreciation/Depreciation on Investments:
  Beginning of the Period.....................................................      8,637
  End of the Period...........................................................     (6,313)
                                                                                 --------
Net Unrealized Depreciation on Investments During the Period..................    (14,950)
                                                                                 --------
NET REALIZED AND UNREALIZED LOSS ON INVESTMENTS...............................   $(14,408)
                                                                                 ========
NET INCREASE IN NET ASSETS FROM OPERATIONS....................................   $267,561
                                                                                 ========
</TABLE>
 
                      See Notes to Financial Statements
 
                                     A-11
<PAGE>   26
 
                       STATEMENT OF CHANGES IN NET ASSETS
 
                   For the Years Ended July 31, 1996 and 1995
                       All amounts reported in thousands
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                         Year Ended       Year Ended
                                                                        July 31, 1996    July 31, 1995
- ------------------------------------------------------------------------------------------------------
<S>                                                                     <C>              <C>
FROM INVESTMENT ACTIVITIES:
Net Investment Income................................................    $   281,969      $   137,069
Net Realized Gain/Loss on Investments................................            542           (5,468)
Net Unrealized Appreciation/Depreciation on Investments
  During the Period..................................................        (14,950)           2,107
                                                                         -----------      -----------
Change in Net Assets from Operations.................................        267,561          133,708
Distributions from Net Investment Income.............................       (283,580)        (133,994)
                                                                         -----------      -----------
NET CHANGE IN NET ASSETS FROM INVESTMENT ACTIVITIES..................        (16,019)            (286)
                                                                         -----------      -----------
FROM CAPITAL TRANSACTIONS (NOTES 3 AND 5):
Proceeds from Common Shares Sold.....................................      2,551,158        1,349,284
Value of Shares Issued Through Dividend Reinvestment.................        155,100           74,961
Cost of Shares Repurchased...........................................       (354,520)        (122,898)
                                                                         -----------      -----------
NET CHANGE IN NET ASSETS FROM CAPITAL TRANSACTIONS...................      2,351,738        1,301,347
                                                                         -----------      -----------
TOTAL INCREASE IN NET ASSETS.........................................      2,335,719        1,301,061
NET ASSETS:
Beginning of the Period..............................................      2,530,065        1,229,004
                                                                         -----------      -----------
End of the Period (Including undistributed net investment income
  of $2,875 and $6,627, respectively)................................    $ 4,865,784      $ 2,530,065
                                                                         ===========      ===========
</TABLE>
 
                      See Notes to Financial Statements
 
                                     A-12
<PAGE>   27
 
                            STATEMENT OF CASH FLOWS
 
                        For the Year Ended July 31, 1996
                       All amounts reported in thousands
- --------------------------------------------------------------------------------
 
<TABLE>
<S>                                                                              <C>
CHANGE IN NET ASSETS FROM OPERATIONS..........................................   $   267,561
                                                                                 -----------
Adjustments to Reconcile the Change in Net Assets from
  Operations to Net Cash Provided by Operating Activities:
  Increase in Investments at Value............................................    (2,382,924)
  Increase in Interest and Fees Receivables...................................       (18,282)
  Increase in Other Assets....................................................           (53)
  Increase in Receivable for Investments Sold.................................           (44)
  Decrease in Short-Term Investments at Amortized Cost........................        29,860
  Increase in Deferred Facility Fees..........................................         3,711
  Increase in Investment Advisory and Administrative Fees Payable.............         2,411
  Increase in Accrued Expenses................................................           469
  Increase in Distributor and Affiliates Payable..............................           251
  Increase in Deferred Compensation and Retirement Plans Expenses.............            26
                                                                                 -----------
    Total Adjustments.........................................................    (2,364,575)
                                                                                 -----------
NET CASH USED FOR OPERATING ACTIVITIES........................................    (2,097,014)
                                                                                 -----------
CASH FLOWS FROM FINANCING ACTIVITIES (NOTES 3 AND 5):
Proceeds from Shares Sold.....................................................     2,566,669
Payments on Shares Repurchased................................................      (354,528)
Increase in Intra-day Credit Line.............................................           557
Cash Dividends Paid...........................................................      (126,019)
                                                                                 -----------
  Net Cash Provided by Financing Activities...................................     2,086,679
                                                                                 -----------
NET DECREASE IN CASH..........................................................       (10,335)
Cash at Beginning of the Period...............................................        10,335
                                                                                 -----------
CASH AT END OF THE PERIOD.....................................................   $       -0-
                                                                                 ===========
</TABLE>
 
                      See Notes to Financial Statements
 
                                     A-13
<PAGE>   28
 
                              FINANCIAL HIGHLIGHTS
 
   The following schedule presents financial highlights for one common share
           of the Trust outstanding throughout the periods indicated.
- --------------------------------------------------------------------------------
 
<TABLE>
<CAPTION>
                                                                                     Year Ended July 31
                                                                  --------------------------------------------------------
                                                                    1996        1995        1994        1993        1992
- --------------------------------------------------------------------------------------------------------------------------
<S>                                                               <C>         <C>         <C>         <C>         <C>
Net Asset Value, Beginning of the Period......................... $ 10.046    $ 10.052    $ 10.004    $  9.998    $  9.985
                                                                  --------    --------    --------    --------    --------
  Net Investment Income..........................................     .735        .756        .618        .600        .698
  Net Realized and Unrealized Gain/Loss on Investments...........    (.028)      (.004)       .015        .008        .004
                                                                  --------    --------    --------    --------    --------
Total from Investment Operations.................................     .707        .752        .633        .608        .702
                                                                  --------    --------    --------    --------    --------
Less:
  Distributions from Net Investment Income.......................     .751        .758        .585        .600        .689
  Distributions in Excess of Net Investment Income (Note 1)......      -0-         -0-         -0-        .002         -0-
                                                                  --------    --------    --------    --------    --------
Total Distributions..............................................     .751        .758        .585        .602        .689
                                                                  --------    --------    --------    --------    --------
Net Asset Value, End of the Period............................... $ 10.002    $ 10.046    $ 10.052    $ 10.004    $  9.998
                                                                  ========    ========    ========    ========    ========
Total Return (a).................................................    7.22%       7.82%       6.52%       6.17%       7.25%
Net Assets at End of the Period (In millions).................... $4,865.8    $2,530.1    $1,229.0    $  966.7    $  928.3
Ratio of Expenses to Average Net Assets..........................    1.46%       1.49%       1.53%       1.53%       1.55%
Ratio of Net Investment Income to Average Net Assets.............    7.33%       7.71%       6.16%       5.96%       6.98%
Portfolio Turnover (b)...........................................      66%         71%         74%         67%         59%
</TABLE>
 
(a) Total return is based upon net asset value which does not include payment of
the contingent deferred sales charge.
 
(b) Calculation includes the proceeds from repayments and sales of variable rate
senior loan interests.
 
                      See Notes to Financial Statements
 
                                     A-14
<PAGE>   29
 
                         NOTES TO FINANCIAL STATEMENTS
 
                                 July 31, 1996
- --------------------------------------------------------------------------------

1. SIGNIFICANT ACCOUNTING POLICIES

Van Kampen American Capital Prime Rate Income Trust (the "Trust") is registered
as a non-diversified closed-end management investment company under the
Investment Company Act of 1940, as amended. The Trust's investment objective is
to provide a high level of current income, consistent with preservation of
capital. The Trust seeks to achieve its objective by investing primarily in a
portfolio of interests in floating or variable rate senior loans to United
States corporations, partnerships and other entities. The Trust commenced
investment operations on October 4, 1989.

       The following is a summary of significant accounting policies
consistently followed by the Trust in the preparation of its financial
statements. The preparation of financial statements in conformity with generally
accepted accounting principles requires management to make estimates and
assumptions that affect the reported amounts of assets and liabilities and
disclosure of contingent assets and liabilities at the date of the financial
statements and the reported amounts of revenues and expenses during the
reporting period. Actual results could differ from those estimates.
 
A. SECURITY VALUATION--The value of the Trust's Variable Rate Senior Loan
interests, totaling $4,357,645,025 (89.5% of net assets) is determined in the
absence of actual market values by Van Kampen American Capital Investment
Advisory Corp. (the "Adviser") following guidelines and procedures established,
and periodically reviewed, by the Board of Trustees. The value of a Variable
Rate Senior Loan interest in the Trust's portfolio is determined with reference
to changes in market interest rates and to the creditworthiness of the
underlying obligor. In valuing Variable Rate Senior Loan interests, the Adviser
considers market quotations and transactions in instruments that the Adviser
believes may be comparable to such Variable Rate Senior Loan interests. In
determining the relationship between such instruments and the Variable Rate
Senior Loan interests, the Adviser considers such factors as the
creditworthiness of the underlying obligor, the current interest rate, the
interest rate redetermination period and maturity date. To the extent that
reliable market transactions in Variable Rate Senior Loan interests have
occurred, the Adviser also considers pricing information derived from such
secondary market transactions in valuing Variable Rate Senior Loan interests.
Because of uncertainly inherent in the valuation process, the estimated value of
a Variable Rate Senior Loan interest may differ significantly from the value
that would have been used had there been market activity for that Variable Rate
Senior Loan interest. Equity securities are valued on the basis of prices
furnished by pricing services or as determined in good faith by the Adviser.
Short-term securities are valued at amortized cost.
 
B. SECURITY TRANSACTIONS--Investment transactions are recorded on a trade date
basis. Realized gains and losses are determined on an identified cost basis.
 
C. INVESTMENT INCOME--Interest income is recorded on an accrual basis. Facility
fees received are recognized as income ratably over the expected life of the
loan. Market premiums and discounts are amortized over the stated life of each
applicable security.
 
                                     A-15
<PAGE>   30
 
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
                                 July 31, 1996
- --------------------------------------------------------------------------------
 
D. FEDERAL INCOME TAXES--It is the Trust's policy to comply with the
requirements of the Internal Revenue Code applicable to regulated investment
companies and to distribute substantially all of its taxable income to its
shareholders. Therefore, no provision for federal income taxes is required.

       The Trust intends to utilize provisions of the federal income tax laws
which allow it to carry a realized capital loss forward for eight years
following the year of the loss and offset such losses against any future
realized capital gains. At July 31, 1996, the Trust had an accumulated capital
loss carryforward for tax purposes of $4,507,275, which will expire on July 31,
2004. Net realized gains or losses may differ for financial and tax reporting
purposes primarily as a result of post October 31 losses which are not
recognized for tax purposes until the first day of the following fiscal year.
 
E. DISTRIBUTION OF INCOME AND GAINS--The Trust declares daily and pays monthly
dividends from net investment income. Net realized gains, if any, are
distributed annually.

     Permanent book and tax basis differences relating to the recognition of
expenses totaling $26,779 have been reclassified from paid in surplus to
undistributed net investment income. Additionally, $2,168,429, representing
permanent differences related to the recognition of income on certain
investments between book and tax reporting purposes was reclassified from
undistributed net investment income to accumulated net realized gain on
investments.
 
2. INVESTMENT ADVISORY AGREEMENT AND OTHER TRANSACTIONS WITH AFFILIATES
Under the terms of the Trust's Investment Advisory Agreement, the Adviser will
provide investment advice and facilities to the Trust for an annual fee payable
monthly as follows:
 
<TABLE>
<CAPTION>
                          AVERAGE NET ASSETS                      % PER ANNUM
- ------------------------------------------------------------------------------
<S>                                                               <C>
First $4.0 billion.............................................     .950 of 1%
Next $3.5 billion..............................................     .900 of 1%
Next $2.5 billion..............................................     .875 of 1%
Over $10.0 billion.............................................     .850 of 1%
</TABLE>
 
       In addition, the Trust will pay a monthly administrative fee to Van
Kampen American Capital Distributors, Inc., the Trust's Administrator, at an
annual rate of .25% of the average net assets of the Trust. The administrative
services to be provided by the Administrator include monitoring the provisions
of the loan agreements and any agreements with respect to participations and
assignments, record keeping responsibilities with respect to interests in
Variable Rate Senior Loans in the Trust's portfolio and providing certain
services to the holders of the Trust's securities.

       Certain legal expenses are paid to Skadden, Arps, Slate, Meagher & Flom,
counsel to the Trust, of which a trustee of the Trust is an affiliated person.

       For the year ended July 31, 1996, the Trust recognized expenses of
approximately $38,800 representing the Administrator's or its affiliates'
(collectively "VKAC") cost of providing legal services to the Trust.
 
                                     A-16
<PAGE>   31
 
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
                                 July 31, 1996
- --------------------------------------------------------------------------------
 
       ACCESS Investor Services, Inc. ("ACCESS"), an affiliate of the Adviser,
serves as the shareholder servicing agent of the Trust. For the year ended July
31, 1996, the Fund recognized expenses of approximately $3,848,300, representing
ACCESS' cost of providing transfer agency and shareholder services plus a
profit.

       Certain officers and trustees of the Trust are also officers and
directors of VKAC. The Fund does not compensate its officers or trustees who are
officers of VKAC.

       The Trust has implemented deferred compensation and retirement plans for
its trustees. Under the deferred compensation plan, trustees may elect to defer
all or a portion of their compensation to a later date. The retirement plan
covers those trustees who are not officers of VKAC.
 
3. CAPITAL TRANSACTIONS

At July 31, 1996 and 1995, paid in surplus aggregated $4,872,393,497 and
$2,523,028,402, respectively.

       Transactions in common shares were as follows:
 
<TABLE>
<CAPTION>
                                                        YEAR ENDED       YEAR ENDED
                                                       JULY 31, 1996    JULY 31, 1995
- -------------------------------------------------------------------------------------
<S>                                                    <C>              <C>
Beginning Shares....................................     251,848,949      122,267,677
                                                        ------------     ------------
Shares Sold.........................................     254,577,948      134,357,255
Shares Issued Through Dividend Reinvestment.........      15,483,081        7,465,118
Shares Repurchased..................................     (35,419,661)     (12,241,101)
                                                        ------------     ------------
Net Increase in Shares Outstanding..................     234,641,368      129,581,272
                                                        ------------     ------------
Ending Shares.......................................     486,490,317      251,848,949
                                                        ============     ============
</TABLE>
 
4. INVESTMENT TRANSACTIONS

During the period, the cost of purchases and proceeds from investments sold and
repaid, excluding short-term investments, for the year ended July 31, 1996, were
$4,564,819,045 and $2,168,339,118, respectively.
 
5. TENDER OF SHARES

The Board of Trustees currently intends, each quarter, to consider authorizing
the Trust to make tender offers for all or a portion of its then outstanding
common shares at the then net asset value of the common shares. For the year
ended July 31, 1996, 35,419,661 shares were tendered and repurchased by the
Trust.
 

                                     A-17
<PAGE>   32
 
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
                                 July 31, 1996
- --------------------------------------------------------------------------------
 
6. EARLY WITHDRAWAL CHARGE

An early withdrawal charge to recover offering expenses will be imposed in
connection with most common shares held for less than five years which are
accepted by the Trust for repurchase pursuant to tender offers. The early
withdrawal charge will be payable to VKAC. Any early withdrawal charge which is
required to be imposed will be made in accordance with the following schedule.
 
<TABLE>
<CAPTION>
                        YEAR OF REPURCHASE                WITHDRAWAL CHARGE
- ---------------------------------------------------------------------------
<S>                                                       <C>
First..................................................         3.0%
Second.................................................         2.5%
Third..................................................         2.0%
Fourth.................................................         1.5%
Fifth..................................................         1.0%
Sixth and following....................................         0.0%
</TABLE>
 
       For the year ended July 31, 1996, VKAC received early withdrawal charges
of approximately $5,721,300 in connection with tendered shares of the Trust.
 
7. COMMITMENTS

Pursuant to the terms of certain of the Variable Rate Senior Loan agreements,
the Trust had unfunded loan commitments of approximately $472,375,400 as of July
31, 1996. The Trust generally will maintain with its custodian short-term
investments having an aggregate value at least equal to the amount of unfunded
loan commitments.

       The Trust has entered into revolving credit agreements with Morgan
Guaranty Trust Company of New York, Bank of America and State Street Bank and
Trust Company for an aggregate of $150,000,000. The proceeds of any borrowing by
the Trust under the revolving credit agreements may only be used, directly or
indirectly, for liquidity purposes in connection with the consummation of a
tender offer by the Trust for its shares. Annual commitment fees under each
facility of 1/10 of 1% are charged on the unused portion of the credit lines.
Borrowings under these facilities will bear interest at either the banks' prime
rate or the Federal Funds rate plus 1/4 to 1/2 of 1%. There have been no
borrowings under these agreements to date.
 




                                     A-18
<PAGE>   33
 
                   NOTES TO FINANCIAL STATEMENTS (CONTINUED)
 
                                 July 31, 1996
- --------------------------------------------------------------------------------
 
8. SENIOR LOAN PARTICIPATION COMMITMENTS

The Trust invests primarily in participations, assignments, or acts as a party
to the primary lending syndicate of a Variable Rate Senior Loan interest to
United States corporations, partnerships, and other entities. When the Trust
purchases a participation of a Senior Loan interest, the Trust typically enters
into a contractual agreement with the lender or other third party selling the
participation, but not with the borrower directly. As such, the Trust assumes
the credit risk of the Borrower, Selling Participant or other persons
interpositioned between the Trust and the Borrower.

       At July 31, 1996, the following sets forth the selling participants with
respect to interests in Senior Loans purchased by the Trust on a participation
basis.
 
<TABLE>
<CAPTION>
                                                         PRINCIPAL
                                                          AMOUNT        VALUE
                       SELLING PARTICIPANT                 (000)        (000)
- -------------------------------------------------------------------------------
<S>                                                      <C>          <C>
Bankers Trust.........................................    $213,651     $214,095
Pearl Street L.P......................................      51,632       52,040
NationsBank...........................................      33,002       33,072
Canadian Imperial Bank of Commerce....................      29,883       29,923
Merrill Lynch Capital Corp............................      22,273       22,431
Mellon Bank...........................................      20,000       20,020
Chase Securities Inc..................................      18,007       18,000
Natwest USA...........................................       9,697        9,697
G. E. Capital Corp....................................       7,467        7,499
ABN AMRO..............................................       5,000        5,041
Citibank..............................................       4,182        4,182
FNB Canada............................................       3,281        1,968
                                                          --------     --------
Total.................................................    $418,075     $417,968
                                                          ========     ========
</TABLE>
 




                                     A-19

<PAGE>   1
 
                                                                  EXHIBIT (a)(2)
                            LETTER OF TRANSMITTAL
                           REGARDING COMMON SHARES
                                      OF
 
             VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST
                  TENDERED PURSUANT TO THE OFFER TO PURCHASE
                             DATED MARCH 21, 1997
                                      
  THE OFFER AND WITHDRAWAL RIGHTS EXPIRE AT 12:00 MIDNIGHT EASTERN STANDARD
             TIME ON APRIL 18, 1997, UNLESS THE OFFER IS EXTENDED
 
 
          Ladies and Gentlemen:
 
          The undersigned hereby tenders to the Van Kampen American Capital
     Prime Rate Income Trust, a non-diversified, closed-end management
     investment company organized as a Massachusetts business trust (the
     "Trust"), the common shares of beneficial interest, par value $.01 per
     share, of the Trust (the "Common Shares") described below in Box No. 1, at
     a price (the "Purchase Price") equal to the net asset value per Common
     Share ("NAV") determined as of 5:00 P.M. Eastern Standard time on the
     Expiration Date (as defined in the Offer to Purchase), upon the terms and
     conditions set forth in the Offer to Purchase, dated March 21, 1997,
     receipt of which is hereby acknowledged, and in this Letter of Transmittal
     and the Instructions hereto (which together constitute the "Offer"). An
     Early Withdrawal Charge (as defined in the Offer to Purchase) will be
     imposed on most Common Shares accepted for payment which have been held for
     less than five years.
 
          Subject to and effective upon acceptance for payment of the Common
     Shares tendered hereby in accordance with the terms of the Offer
     (including, if the Offer is extended or amended, the terms or conditions of
     any such extension or amendment), the undersigned hereby sells, assigns and
     transfers to or upon the order of the Trust all right, title and interest
     in and to all Common Shares tendered hereby that are purchased pursuant to
     the Offer and hereby irrevocably constitutes and appoints ACCESS Investor
     Services, Inc. (the "Depositary") as attorney-in-fact of the undersigned
     with respect to such Common Shares, with full power of substitution (such
     power of attorney being deemed to be an irrevocable power coupled with an
     interest), to (a) deliver certificates for such Common Shares or transfer
     ownership of such Common Shares on the Trust's books, together in either
     such case with all accompanying evidences of transfer and authenticity, to
     or upon the order of the Trust, upon receipt by the Depositary, as the
     undersigned's agent, of the NAV per Common Share with respect to such
     Common Shares; (b) present certificates for such Common Shares, if any, for
     cancellation and transfer on the Trust's books; (c) deduct from the
     Purchase Price deposited with the Depositary any applicable Early
     Withdrawal Charge and remit such charge to Van Kampen American Capital
     Distributors, Inc.; and (d) receive all benefits and otherwise exercise all
     rights of beneficial ownership of such Common Shares, subject to the next
     paragraph, all in accordance with the terms of the Offer.
 
          The undersigned hereby represents and warrants that: (a) the
     undersigned has a "net long position" in the Common Shares tendered hereby
     within the meaning of Rule 14e-4 promulgated under the Securities Act of
     1934, as amended, and has full power and authority to validly tender, sell,
     assign and transfer the Common Shares tendered hereby; (b) when and to the
     extent the Trust accepts the Common Shares for purchase, the Trust will
     acquire good, marketable and unencumbered title to them, free and clear of
     all security interests, liens, charges, encumbrances, conditional sales
     agreements or other obligations relating to their sale or transfer, and not
     subject to any adverse claim; (c) on request, the undersigned will execute
     and deliver any additional documents the Depositary or the Trust deems
     necessary or desirable to complete the assignment, transfer and purchase of
     the Common Shares tendered hereby; and (d) the undersigned has read and
     agrees to all of the terms of this Offer.
 
          The names and addresses of the registered owners should be printed, if
     they are not already printed, in Box 1 as they appear on the registration
     of the Common Shares. The number of Common Shares that the undersigned
     wishes to tender should be indicated in Box No. 1, which number may be
     determined by indicating in Option B of such box the dollar amount of
     proceeds the undersigned desires to receive pursuant to the tender offer
     after any applicable Early Withdrawal Charge has been deducted from such
     proceeds. The undersigned may elect to receive, in lieu of cash, Class B
     Shares of certain open-end investment companies advised by either Van
     Kampen American Capital Investment Advisory Corp. or Van Kampen American
     Capital Asset Management, Inc. and distributed by Van Kampen American
     Capital Distributors, Inc. by indicating in Option C. If the Common Shares
     tendered hereby are in certificate form, the certificates representing such
     Common Shares must be returned together with this Letter of Transmittal.
 
          The undersigned recognizes that under certain circumstances set forth
     in the Offer to Purchase, the Trust may terminate or amend the Offer or may
     not be required to purchase any of the Common Shares tendered hereby. In
     any such event, the undersigned understands that certificate(s) for any
     Common Shares not purchased, if any, will be returned to the undersigned at
     the address indicated below in Box No. 1 unless otherwise indicated under
     the Special Payment and Delivery Instructions in Box No. 2.
 
          The undersigned understands that acceptance of Common Shares by the
     Trust for payment will constitute a binding agreement between the
     undersigned and the Trust upon the terms and subject to the conditions of
     the Offer.
 
          The check for the Purchase Price of the tendered Common Shares
     purchased, minus any applicable Early Withdrawal Charge, will be issued to
     the order of the undersigned and mailed to the address indicated below in
     Box No. 1, unless otherwise indicated below in Box No. 2. Shareholders
     tendering Common Shares shall be entitled to receive all dividends declared
     on or before the third business day following the Expiration Date, but not
     yet paid, on Common Shares tendered pursuant to the Offer. The Trust will
     not pay interest on the Purchase Price under any circumstances.
 
          All authority herein conferred or agreed to be conferred shall survive
     the death or incapacity of the undersigned and all obligations of the
     undersigned hereunder shall be binding upon the heirs, personal
     representatives, successors and assigns of the undersigned. Except as
     stated in the Offer, this tender is irrevocable.
 
       DELIVERY TO AN ADDRESS OTHER THAN THAT SHOWN BELOW DOES NOT CONSTITUTE
                                   VALID DELIVERY.
 
                 SEND TO: ACCESS INVESTOR SERVICES, INC., Depositary
 
<TABLE>
<C>                                                        <C>
                    By Regular Mail,                                      By, Certified, Registered,
             ACCESS Investor Services, Inc.                                Overnight Mail or Courier
                     P.O. Box 419511                                    ACCESS Investor Services, Inc.
               Kansas City, MO 64141-6511                                7501 Tiffany Springs Parkway
            Attn: Van Kampen American Capital                                Kansas City, MO 64153
             Prime Rate Income Trust Tender                            Attn: Van Kampen American Capital
                                                                        Prime Rate Income Trust Tender
</TABLE>
 
                        FOR ADDITIONAL INFORMATION CALL:
                                 (800) 341-2911
                                                                 30 PRT004-03/97
<PAGE>   2
 
          THIS LETTER OF TRANSMITTAL IS TO BE USED ONLY IF THE COMMON SHARES TO
     BE TENDERED ARE REGISTERED IN THE SHAREHOLDER'S NAME AND THE NECESSARY
     DOCUMENTS WILL BE TRANSMITTED TO THE DEPOSITARY BY THE SHAREHOLDER OR HIS
     BROKER, DEALER OR OTHER SELLING GROUP MEMBER. DO NOT USE THIS FORM IF A
     BROKER, DEALER OR OTHER SELLING GROUP MEMBER IS THE REGISTERED OWNER OF THE
     COMMON SHARES AND IS EFFECTING THE TRANSACTION FOR THE SHAREHOLDER.
 
          IF THE COMMON SHARES TENDERED HEREBY ARE IN CERTIFICATE FORM, THE
     CERTIFICATES REPRESENTING SUCH COMMON SHARES MUST BE RETURNED TOGETHER WITH
     THIS LETTER OF TRANSMITTAL. PLEASE NOTE THAT WE SUGGEST THAT SUCH
     CERTIFICATES BE RETURNED VIA CERTIFIED OR REGISTERED MAIL.
 
          TO ENSURE PROCESSING OF YOUR REQUEST, THIS LETTER OF TRANSMITTAL OR A
     MANUALLY SIGNED FACSIMILE OF IT (TOGETHER WITH ANY CERTIFICATES FOR COMMON
     SHARES AND ALL OTHER REQUIRED DOCUMENTS) MUST BE RECEIVED BY THE DEPOSITARY
     ON OR BEFORE THE EXPIRATION DATE (APRIL 18, 1997).
 
<TABLE>
<S><C>
- --------------------------------------------------------------------------------------------------------------
                                              BOX NO. 1: SHAREHOLDER INFORMATION
- --------------------------------------------------------------------------------------------------------------
                 Name and Address of Registered Owner                           Shareholder Information
- --------------------------------------------------------------------------------------------------------------
 
                                                                 PLEASE PROVIDE: Social Security No.
                                                                                                     ---------
                                                                                 Confirm No. 
                                                                                             -----------------
                                                                                              (if applicable)
                                                                 ACCOUNT NO.:
- --------------------------------------------------------------------------------------------------------------
</TABLE>
 
           CHECK ONE OF THE FOLLOWING AND FILL IN THE APPROPRIATE AMOUNT
 
       OPTION A: [ ] I hereby tender __________ COMMON SHARES of the Trust. I
                     understand that an Early Withdrawal Charge will be
                     imposed on most Common Shares accepted for payment that
                     have been held for less than five years and that such
                     charge, if any, will be deducted from the proceeds from
                     such Common Shares. (See Instruction 3 and 4(f)).
 
       OPTION B: [ ] I hereby tender that certain number of Common Shares of
                     the Trust necessary to receive $__________ from the
                     Trust after the Early Withdrawal Charge, if any, has
                     been deducted from the proceeds from such Common Shares.
                     (See Instruction 3 and 4(f)).
 
       OPTION C: [ ] I hereby tender __________ Common Shares of the Trust
                     and, in lieu of cash, elect to have the proceeds from
                     such tender EXCHANGED for Class B Shares of Van Kampen
                     American Capital __________ Fund Acct. No. __________
                     (if applicable). (See Instruction 3).
- --------------------------------------------------------------------------------
       PLEASE NOTE: If the account indicated by the account number in this
       Box No. 1 is a Van Kampen American Capital fiduciary IRA account, an
       IRA distribution form MUST be submitted with this Letter of
       Transmittal.
- --------------------------------------------------------------------------------
 
<TABLE>
<S><C>
- --------------------------------------------------------------------------------------------------------------------
                     BOX NO. 2: SPECIAL PAYMENT AND DELIVERY INSTRUCTIONS (SEE INSTRUCTIONS 2, 3 AND 4)
- --------------------------------------------------------------------------------------------------------------------
         To be completed ONLY if certificates for Common Shares not tendered or not purchased and/or any checks are
         to be sent or wired to someone other than the undersigned or are to be sent to the undersigned at an
         address other than that shown above in Box No. 1. A SIGNATURE GUARANTEE IS REQUIRED IF THIS PORTION IS
         COMPLETED.
- --------------------------------------------------------------------------------------------------------------------
                                                                Wire Proceeds To:  [ ] Checking       [ ] Savings
                                                                (Minimum $5,000 to be wired)
                                                                Bank  ______________________________________________
                                                                                       (NAME)
         Mail:  [ ] Check       [ ] Certificates to:
                                                                Address ____________________________________________
         Name(s) _____________________________________                  
                         (PLEASE PRINT)                         ABA Routing No. ____________________________________
         Address _____________________________________          Account No. ________________________________________
                                                                                (SHAREHOLDER'S BANK ACCOUNT NO.)
                 _____________________________________          PLEASE ATTACH A VOIDED CHECK OR DEPOSIT SLIP IF
                      (INCLUDE ZIP CODE)                        POSSIBLE.
 
- --------------------------------------------------------------------------------------------------------------------
</TABLE>
 
- --------------------------------------------------------------------------------
                 BOX NO. 3: SIGNATURES (SEE INSTRUCTIONS 2, 3 AND 4)
- --------------------------------------------------------------------------------
 
       A. By signing this Letter of Transmittal, you represent that you have
          read the letter printed on the other side of this page and the
          Instructions enclosed herewith, which Instructions form part of the
          terms and conditions of the Offer.
 
       B. This Letter of Transmittal must be signed by the registered owner(s)
          of the Common Shares tendered hereby or by person(s) authorized to
          become registered owner(s) by documents transmitted herewith. If
          signature is by attorney-in-fact, executor, administrator, trustee,
          guardian, officer of a corporation or another acting in a fiduciary
          or representative capacity, please set forth the full title and
          include the required legal documents. (See Instruction 4)
 
       C. Your signature MUST BE GUARANTEED and you MUST complete the
          signature guarantee in this Box No. 3 if (i) the value of the Common
          Shares tendered herewith pursuant to the OFFER IS GREATER THAN
          $50,000, (ii) this LETTER OF TRANSMITTAL IS SIGNED BY SOMEONE OTHER
          THAN THE REGISTERED HOLDER OF THE COMMON SHARES TENDERED HEREWITH,
          or (iii) you REQUEST PAYMENT FOR THE COMMON SHARES TENDERED HEREWITH
          TO BE SENT TO A PERSON OTHER THAN THE REGISTERED OWNER OF SUCH
          Common Shares for the benefit of such owner(s) and/or TO AN ADDRESS
          OTHER THAN THE REGISTERED ADDRESS OF THE REGISTERED OWNER of the
          Common Shares. For information with respect to what constitutes an
          acceptable guarantee, please see Instruction 4(f).
 
       D. See Instruction 8 and Form W-9 enclosed herewith regarding backup
          withholding.
 
       .........................................     ...........................
                  (SIGNATURE(S) OF OWNER(S) EXACTLY AS REGISTERED)
 
       Dated............, 19....   DAYTIME TELEPHONE NUMBER (   ) .............
 
       SIGNATURE GUARANTEE (IF APPLICABLE):
 
       .........................................
                         Bank Name
 
       .........................................
       Print Name of Authorized Signer
 
       Telephone Number (   )  .................  

             (Affix signature guarantee stamp above if required)
 
- --------------------------------------------------------------------------------
<PAGE>   3
 
                                  INSTRUCTIONS
             FORMING PART OF THE TERMS AND CONDITIONS OF THE OFFER
 
     1. DELIVERY OF LETTER OF TRANSMITTAL AND CERTIFICATES. This Letter of
Transmittal is to be used only if the Common Shares to be tendered are
registered in the shareholder's name and the necessary documents will be
transmitted to the Depositary by the shareholder or his broker, dealer or other
selling group member. Do not use this form if a broker, dealer or other selling
group member is the registered owner of the Common Shares and is effecting the
transaction for the shareholder. A PROPERLY COMPLETED AND DULY EXECUTED LETTER
OF TRANSMITTAL OR MANUALLY SIGNED FACSIMILE OF IT, ANY CERTIFICATES REPRESENTING
COMMON SHARES TENDERED AND ANY OTHER DOCUMENTS REQUIRED BY THIS LETTER OF
TRANSMITTAL SHOULD BE MAILED OR DELIVERED TO THE DEPOSITARY AT THE ADDRESS SET
FORTH IN THIS LETTER OF TRANSMITTAL AND MUST BE RECEIVED BY THE DEPOSITARY ON OR
PRIOR TO THE EXPIRATION DATE (APRIL 18, 1997).
 
     THE METHOD OF DELIVERY OF ALL DOCUMENTS, INCLUDING CERTIFICATES FOR COMMON
SHARES, IS AT THE ELECTION AND RISK OF THE TENDERING SHAREHOLDER. IF DELIVERY IS
BY MAIL, REGISTERED MAIL WITH RETURN RECEIPT REQUESTED, PROPERLY INSURED, IS
RECOMMENDED.
 
     THE TRUST WILL NOT ACCEPT ANY ALTERNATIVE, CONDITIONAL OR CONTINGENT
TENDERS. ALL TENDERING SHAREHOLDERS, BY EXECUTION OF THIS LETTER OF TRANSMITTAL
(OR A MANUALLY SIGNED FACSIMILE OF IT), WAIVE ANY RIGHT TO RECEIVE ANY NOTICE OF
THE ACCEPTANCE OF THEIR TENDER.
 
     2. COMPLETING THIS LETTER OF TRANSMITTAL.  If you intend to tender any
Common Shares pursuant to the Offer, please complete the Letter of Transmittal
as follows:
 
          (a) Read the Letter of Transmittal in its entirety. By signing the
     Letter of Transmittal in Box No. 3, you agree to its terms.
 
          (b) Complete Box No. 1 by providing your Social Security Number, a
     Confirm Number, if applicable, and selecting and completing either Option
     A, Option B or Option C.
 
          (c) Complete Box No. 2 if certificates for Common Shares not tendered
     or not purchased and/or any check issued in the name of a person other than
     the signer of the Letter of Transmittal are to be sent or wired to someone
     other than such signer or to the signer at an address other than that shown
     in Box No. 1.
 
          (d) Complete Box No. 3 in accordance with Instruction 4 set forth
     below.
 
     3. PARTIAL TENDERS, UNPURCHASED SHARES AND EXCHANGES. If fewer than all of
the Common Shares evidenced by any certificate submitted are to be tendered and
if any tendered Common Shares are purchased, a new certificate for the remainder
of the Common Shares evidenced by your old certificate(s) will be issued and
sent to the registered owner, unless otherwise specified in Box No. 2 of this
Letter of Transmittal, as soon as practicable after the Expiration Date of the
Offer.
 
     Tendering shareholders who elect to receive, in lieu of cash, the proceeds
from the tender of Common Shares of the Trust in exchange for Class B Shares of
certain open-end investment companies advised by either Van Kampen American
Capital Investment Advisory Corp. or Van Kampen American Capital Asset
Management, Inc. and distributed by Van Kampen American Capital Distributors,
Inc. should select and complete Option C. The Early Withdrawal Charge will be
waived for Common Shares tendered in exchange for shares in such funds. Such
shares may be subject to a contingent deferred sales charge upon a subsequent
redemption from the exchanged fund.
 
     4. SIGNATURES ON LETTER OF TRANSMITTAL, AUTHORIZATIONS AND ENDORSEMENTS.
 
          (a) If this Letter of Transmittal is signed by the registered owner(s)
     of the Common Shares tendered hereby, the signature(s) must correspond
     exactly with the name(s) in which the Common Shares are registered.
 
          (b) If the Common Shares are held of record by two or more joint
     owners, each such owner must sign this Letter of Transmittal.
 
          (c) If any tendered Common Shares are registered in different names,
     it will be necessary to complete, sign and submit as many separate Letters
     of Transmittal (or manually signed facsimiles of it) as there are different
     registrations of Common Shares.
 
          (d) When this Letter of Transmittal is signed by the registered
     owner(s) of the Common Shares listed and transmitted hereby, no
     endorsements of any certificate(s) representing such Common Shares or
     separate authorizations are required. If, however, payment is to be made to
     a person other than the registered owner(s), any unpurchased Common Shares
     are to be registered in the name of any person other than the registered
     owner(s) or any certificates for unpurchased Common Shares are to be issued
     to a person other than the registered owner(s), then the Letter of
     Transmittal and, if applicable, the certificate(s) transmitted hereby, must
     be endorsed or accompanied by appropriate authorizations, in either case
     signed exactly as such name(s) appear on the registration of the Common
     Shares and on the face of the certificate(s) and such endorsements or
     authorizations must be guaranteed by an institution described in Box No. 3.
 
          (e) If this Letter of Transmittal or any certificates or
     authorizations are signed by trustees, executors, administrators,
     guardians, attorneys-in-fact, officers of corporations or others acting in
     a fiduciary or representative capacity, such persons should so indicate
     when signing and must submit proper evidence satisfactory to the Trust of
     their authority so to act.
 
          (f) Your signature MUST be guaranteed and you MUST complete the
     signature guarantee in Box No. 3 if (i) the value of the Common Shares
     tendered herewith pursuant to the Offer is greater than $50,000, (ii) this
     Letter of Transmittal is signed by someone other than the registered holder
     of the Common Shares tendered herewith, or (iii) you request payment for
     the Common Shares tendered herewith to be sent to a payee other than the
     registered owner of such Common Shares and/or to an address other than the
     registered address of the registered owner of the Common Shares. An
     acceptable guarantee is one made by a bank or trust company; a
     broker-dealer; a credit union; a national securities exchange, registered
     securities association or clearing agency; a savings and loan association;
     or a federal savings bank. The guarantee must state the words "Signature
     Guaranteed" along with the name of the granting institution. Shareholders
     should verify with the institution that it is an eligible guarantor prior
     to signing. A guarantee from a notary public is not acceptable.
                                                                 30 PRT005-03/97
<PAGE>   4
 
     5. TRANSFER TAXES. The Trust will pay all share transfer taxes, if any,
payable on the transfer to it of Common Shares purchased pursuant to the Offer.
If, however, (a) payment of the Purchase Price is to be made to any person other
than the registered owner(s), (b) (in the circumstances permitted by the Offer)
unpurchased Common Shares are to be registered in the name(s) of any person
other than the registered owner(s) or (c) tendered certificates are registered
in the name(s) of any person other than the person(s) signing this Letter of
Transmittal, the amount of any transfer taxes (whether imposed on the registered
owner(s) or such other persons) payable on account of the transfer to such
person(s) will be deducted from the Purchase Price by the Depositary unless
satisfactory evidence of the payment of such taxes, or exemption therefrom, is
submitted.
 
     6. IRREGULARITIES. All questions as to the validity, form, eligibility
(including time of receipt) and acceptance of any tender of Common Shares will
be determined by the Trust in its sole discretion, whose determination shall be
final and binding on all parties. The Trust reserves the absolute right to
reject any or all tenders determined by it not to be in appropriate form or the
acceptance of or payment for any Common Shares which may, in the opinion of the
Trust's counsel, be unlawful. The Trust also reserves the absolute right to
waive any of the conditions of the Offer or any defect or irregularity in tender
of any particular Common Shares or any particular shareholder, and the Trust's
interpretations of the terms and conditions of the Offer (including these
Instructions) will be final and binding on all parties. Unless waived, any
defects or irregularities in connection with tenders must be cured within such
time as the Trust shall determine. Tendered Common Shares will not be accepted
for payment unless all defects and irregularities have either been cured within
such time or waived by the Trust. None of the Trust, Van Kampen American Capital
Distributors, Inc., the Depositary, or any other person shall be obligated to
give notice of defects or irregularities in tenders, nor shall any of them incur
any liability for failure to give any such notice.
 
     7. QUESTIONS AND REQUESTS FOR ASSISTANCE AND ADDITIONAL COPIES. Questions
and requests for assistance may be directed to, and additional copies of the
Offer to Purchase and this Letter of Transmittal may be obtained from Van Kampen
American Capital Distributors, Inc. located at One Parkview Plaza, Oakbrook
Terrace, IL 60181, or by telephoning (800) 341-2911.
 
     8. FORM W-9. Each tendering shareholder who has not already submitted a
completed and signed Form W-9 to the Trust is required to provide the Depositary
with a correct taxpayer identification number ("TIN") on Form W-9 which is
enclosed herewith. Failure to provide the information on the form may subject
the tendering shareholder to 31% federal income tax withholding on the payments
made to the shareholder or other payee with respect to Common Shares purchased
pursuant to the Offer.
 
     9. WITHHOLDING ON FOREIGN SHAREHOLDERS. The Depositary will withhold
federal income taxes equal to 30% of the gross payments payable to a foreign
shareholder unless the Depositary determines that a reduced rate of withholding
or an exemption from withholding is applicable. For this purpose, a foreign
shareholder is any shareholder that is not (i) 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 any political subdivision
thereof, or (iii) any estate or trust the income of which is subject to United
States federal income taxation regardless of the source of such income. The
Depositary will determine a shareholder's status as a foreign shareholder and
eligibility for a reduced rate of, or an exemption from, withholding by
reference to the shareholder's address and to any outstanding certificates or
statements concerning eligibility for a reduced rate of, or exemption from,
withholding unless facts and circumstances indicate that reliance is not
warranted. A foreign shareholder who has not previously submitted the
appropriate certificates or statements with respect to a reduced rate of, or an
exemption from, withholding for which such shareholder may be eligible should
consider doing so in order to avoid overwithholding. A foreign shareholder may
be eligible to obtain a refund of tax withheld if such shareholder meets one of
the three tests for capital gain or loss treatment described in Section 15 of
the Offer to Purchase or is otherwise able to establish that no tax or a reduced
amount of tax was due.
 
     IMPORTANT: THE LETTER OF TRANSMITTAL OR A MANUALLY SIGNED FACSIMILE OF IT
(TOGETHER WITH ANY CERTIFICATES FOR COMMON SHARES AND ALL OTHER REQUIRED
DOCUMENTS) MUST BE RECEIVED BY THE DEPOSITARY ON OR BEFORE THE EXPIRATION DATE.

<PAGE>   1
 
                                                               EXHIBIT (a)(3)(i)
 
                                    OFFER BY
 
              VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST
 
                             TO PURCHASE 40,608,013
                            OF ITS COMMON SHARES AT
                        NET ASSET VALUE PER COMMON SHARE
 
                                                                  March 21, 1997
 
To Brokers, Dealers, Commercial Banks,
     Trust Companies and other Nominees:
 
     Pursuant to your request, we are enclosing herewith the material listed
below relating to the offer of Van Kampen American Capital Prime Rate Income
Trust (the "Trust") to purchase up to 40,608,013 of its common shares of
beneficial interest with par value of $.01 per share (the "Common Shares") at
net asset value per Common Share ("NAV") determined as of 5:00 P.M. Eastern
Standard time on the Expiration Date (defined below) upon the terms and subject
to the conditions set forth in the Offer to Purchase dated March 21, 1997 and in
the related Letter of Transmittal (which together constitute the "Offer"). The
Offer and withdrawal rights will expire at 12:00 Midnight Eastern Standard time
on April 18, 1997, unless extended (the "Expiration Date"). An "Early Withdrawal
Charge" will be imposed on most Common Shares accepted for payment which have
been held for less than five years. The Offer is not conditioned upon any
minimum number of Common Shares being tendered but is subject to certain
conditions as set forth in the Offer to Purchase.
 
     If more than 40,608,013 Common Shares are duly tendered prior to the
expiration of the Offer, the Trust presently intends to, assuming no changes in
the factors originally considered by the Board of Trustees when it determined to
make the Offer and the other conditions set forth in the Offer, but is not
obligated to, extend the Offer period, if necessary, and increase the number of
Common Shares that the Trust is offering to purchase to an amount which it
believes will be sufficient to accommodate the excess Common Shares tendered as
well as any Common Shares tendered during the extended Offer period or purchase
40,608,013 Common Shares (or such greater number of Common Shares sought) on a
pro rata basis.
 
     No fees or commissions will be payable to brokers, dealers or other persons
for soliciting tenders of Common Shares pursuant to the Offer. The Trust will,
however, upon request, reimburse you for customary mailing and handling expenses
incurred by you in forwarding any of the enclosed materials to those of your
clients who have requested such materials. The Trust will pay all transfer taxes
on its purchase of shares, subject to Instruction 5 of the Letter of
Transmittal. However, backup tax withholding at a 31% rate may be required
unless an exemption is proved or unless the required tax identification
information is or has previously been provided. See Section 15 of the Offer to
Purchase and Instructions 8 and 9 to the Letter of Transmittal.
 
     For your information and for forwarding to those of your clients who have
requested them, we are enclosing the following documents:
 
          (1) Offer to Purchase dated March 21, 1997;
 
          (2) Letter of Transmittal to be used by holders of Common Shares to
     tender such shares to the Depositary directly or through their broker,
     dealer or other nominee who is not the registered owner;
 
          (3) Guidelines for Certification of Taxpayer Identification Number;
 
          (4) Letter to Clients which may be sent to your clients for whose
     account you hold Common Shares registered in your name (or in the name of
     your nominee, with space provided for obtaining such clients' instructions
     with regard to the Offer); and
 
          (5) Return envelope addressed to the Depositary.
 
PLEASE NOTE THAT THE OFFER AND WITHDRAWAL RIGHTS EXPIRE AT 12:00 MIDNIGHT
EASTERN STANDARD TIME ON APRIL 18, 1997, UNLESS THE OFFER IS EXTENDED. TO ENSURE
PROCESSING OF YOUR OR YOUR CLIENT'S REQUEST, A LETTER OF TRANSMITTAL OR A
MANUALLY SIGNED FACSIMILE OF IT (TOGETHER WITH ANY CERTIFICATES FOR COMMON
SHARES AND ALL OTHER REQUIRED DOCUMENTS) MUST BE RECEIVED BY THE DEPOSITARY ON
OR BEFORE THE EXPIRATION DATE (APRIL 18, 1997).
                                                                 30 PRT009-03/97
<PAGE>   2
 
     The Offer is not being made to (nor will tenders be accepted from or on
behalf of) holders of Common Shares residing in any jurisdiction in which the
making of the Offer or the acceptance thereof would not be in compliance with
the laws of such jurisdiction.
 
     Additional copies of the enclosed material may be obtained from Van Kampen
American Capital Distributors, Inc. at the appropriate address and telephone
number set forth in the Offer to Purchase. Any questions you have with respect
to the Offer should be directed to Van Kampen American Capital Distributors,
Inc. at (800) 421-5666.
 
                                         Very truly yours,
 
                                         VAN KAMPEN AMERICAN CAPITAL
                                           PRIME RATE INCOME TRUST
 
     NOTHING CONTAINED HEREIN OR IN THE ENCLOSED DOCUMENTS SHALL CONSTITUTE YOU
OR ANY OTHER PERSON THE AGENT OF THE TRUST OR THE DEPOSITARY OR AUTHORIZE YOU OR
ANY OTHER PERSON TO MAKE ANY STATEMENTS OR USE ANY MATERIAL ON THEIR BEHALF WITH
RESPECT TO THE OFFER, OTHER THAN THE MATERIAL ENCLOSED HEREWITH AND THE
STATEMENTS SPECIFICALLY SET FORTH IN SUCH MATERIAL.

<PAGE>   1
 
                                                              EXHIBIT (a)(3)(ii)
 
                                    OFFER BY
 
              VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST
 
                             TO PURCHASE 40,608,013
                            OF ITS COMMON SHARES AT
                        NET ASSET VALUE PER COMMON SHARE
 
To Our Clients:
 
     Enclosed for your consideration are the Offer to Purchase, dated March 21,
1997, of Van Kampen American Capital Prime Rate Income Trust (the "Trust") and
related Letter of Transmittal pursuant to which the Trust is offering to
purchase up to 40,608,013 of its common shares of beneficial interest with par
value of $.01 per share (the "Common Shares") at the net asset value per Common
Share ("NAV") determined as of 5:00 P.M. Eastern Standard time on the Expiration
Date (defined below) upon the terms and subject to the conditions set forth in
the Offer to Purchase and the Letter of Transmittal (which together constitute
the "Offer"). An "Early Withdrawal Charge" will be imposed on most Common Shares
accepted for payment which have been held for less than five years.
 
     The Offer to Purchase and the Letter of Transmittal are being forwarded to
you as the beneficial owner of Common Shares held by us for your account but not
registered in your name. A tender of such shares can be made only by us as the
holder of record and only pursuant to your instructions. WE ARE SENDING YOU THE
LETTER OF TRANSMITTAL FOR YOUR INFORMATION ONLY; YOU CANNOT USE IT TO TENDER
COMMON SHARES WE HOLD FOR YOUR ACCOUNT.
 
     Your attention is called to the following:
 
          (1) The tender price is the NAV per Common Share determined as of 5:00
     P.M. Eastern Standard time on the Expiration Date. An "Early Withdrawal
     Charge" will be imposed on most Common Shares accepted for payment which
     have been held for less than five years.
 
          (2) The Offer is not conditioned upon any minimum number of Common
     Shares being tendered, but is subject to certain conditions set forth in
     the Offer to Purchase.
 
          (3) The Offer and withdrawal rights expire at 12:00 Midnight Eastern
     Standard time on April 18, 1997, unless extended (the "Expiration Date").
 
          (4) The Offer is for 40,608,013 Common Shares, constituting
     approximately 7% of the Common Shares outstanding as of March 14, 1997.
 
          (5) Tendering shareholders will not be obligated to pay brokerage
     commissions or, subject to Instruction 5 of the Letter of Transmittal,
     transfer taxes on the purchase of Common Shares by the Trust pursuant to
     the Offer. However, a broker, dealer or selling group member may charge a
     fee for processing the transaction on your behalf.
 
          (6) If more than 40,608,013 Common Shares are duly tendered prior to
     the expiration of the Offer, the Trust presently intends to, assuming no
     changes in the factors originally considered by the Board of Trustees when
     it determined to make the Offer and the other conditions set forth in the
     Offer, but is under no obligation to, extend the Offer period, if
     necessary, and increase the number of Common Shares that the Trust is
     offering to purchase to an amount which it believes will be sufficient to
     accommodate the excess Common Shares tendered as well as any Common Shares
     tendered during the extended Offer period or purchase 40,608,013 Common
     Shares (or such greater number of Common Shares sought) on a pro rata
     basis.
 
     If you wish to have us tender any or all of your Common Shares, please so
instruct us by completing, executing and returning to us the attached
instruction form. An envelope to return your instructions to us is enclosed. If
you authorize us to tender your Common Shares, all such Common Shares will be
tendered
                                                                 30 PRT007-03/97
<PAGE>   2
 
unless you specify otherwise on the attached instruction form. WE MUST RECEIVE
YOUR INSTRUCTIONS, IF ANY, SUFFICIENTLY IN ADVANCE OF THE EXPIRATION DATE (APRIL
18, 1997) TO PROVIDE US WITH TIME TO PROCESS SUCH INSTRUCTIONS AND FORWARD THEM
TO THE DEPOSITARY SO THAT THE DEPOSITARY WILL RECEIVE THEM ON OR PRIOR TO SUCH
EXPIRATION DATE. THE OFFER AND WITHDRAWAL RIGHTS EXPIRE AT 12:00 MIDNIGHT
EASTERN STANDARD TIME ON APRIL 18, 1997, UNLESS THE OFFER IS EXTENDED.
 
     The Trust is not making the Offer to, nor will it accept tenders from or on
behalf of, owners of Common Shares in any jurisdiction in which the Offer or its
acceptance would violate the securities, Blue Sky or other laws of such
jurisdiction. In any jurisdiction the securities or Blue Sky laws of which
require the Offer to be made by a licensed broker or dealer, the Offer shall be
deemed to be made on the Trust's behalf by one or more registered brokers or
dealers licensed under the laws of such jurisdiction.
<PAGE>   3
 
                                  INSTRUCTIONS
                            WITH RESPECT TO OFFER BY
              VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST
                             TO PURCHASE 40,608,013
                            OF ITS COMMON SHARES AT
                        NET ASSET VALUE PER COMMON SHARE
 
     THIS FORM IS NOT TO BE USED TO TENDER COMMON SHARES DIRECTLY TO THE
DEPOSITARY. IT SHOULD BE SENT TO YOUR BROKER ONLY IF YOUR BROKER IS THE HOLDER
OF RECORD OF YOUR COMMON SHARES AND WILL BE EFFECTING THE TENDER ON YOUR BEHALF.
IT SHOULD BE SENT TO SUCH BROKER SUFFICIENTLY IN ADVANCE OF THE EXPIRATION DATE
(APRIL 18, 1997) TO PROVIDE THE BROKER WITH TIME TO PROCESS THESE INSTRUCTIONS
AND FORWARD THEM TO THE DEPOSITARY SO THAT THE DEPOSITARY WILL RECEIVE THEM ON
OR PRIOR TO THE EXPIRATION DATE (APRIL 18, 1997).
 
     The undersigned acknowledge(s) receipt of your letter and the enclosed
Offer to Purchase, dated March 21, 1997, and the related Letter of Transmittal
(which together constitute the "Offer"), in connection with the offer by Van
Kampen American Capital Prime Rate Income Trust (the "Trust") to purchase
40,608,013 common shares of beneficial interest with par value of $.01 per share
(the "Common Shares") at the net asset value per Common Share determined as of
5:00 P.M. Eastern Standard time on the Expiration Date on the terms and subject
to the conditions of the Offer. The undersigned acknowledges that an "Early
Withdrawal Charge" will be imposed on most Common Shares accepted for payment
which have been held for less than five years.
 
     The undersigned hereby instructs you to tender to the Trust the number of
Common Shares indicated below (or, if no number is indicated below, all Common
Shares) which are held by you for the account of the undersigned, upon the terms
and subject to the conditions of the Offer.
 
                         Aggregate number of Common Shares to be tendered
                                  by you for us (fill in number below):
                                            ______ Common Shares
 
     Unless otherwise indicated above, it will be assumed that all of the Common
Shares held for the account of the undersigned are to be tendered.
 
                                  SIGNATURE(S)
 
     ----------------------------------------------------------------------
 
     ......................................................................
 
     ......................................................................
                      (SIGNATURES(S) OF BENEFICIAL OWNERS)
 
     ......................................................................
                                (ACCOUNT NUMBER)
 
     ......................................................................
                   (PLEASE PRINT NAME(S) AND ADDRESSES HERE)
 
     ......................................................................
                        (AREA CODE AND TELEPHONE NUMBER)
 
     ......................................................................
                 (TAX IDENTIFICATION OR SOCIAL SECURITY NUMBER)
 
     ----------------------------------------------------------------------
 
     Date:              , 19
                                                           30 PRT008-03/97
 

<PAGE>   1
 
                                                             EXHIBIT (a)(3)(iii)
 
                    [VAN KAMPEN AMERICAN CAPITAL LETTERHEAD]
 
March 21, 1997
 
RE: VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST
     Commencement of Tender Offer
 
To Our Dealer Friends:
 
     As you may be aware, it is the policy of the Board of Trustees of Van
Kampen American Capital Prime Rate Income Trust (the "Trust") to consider on a
quarterly basis whether to make a tender offer for common shares of the Trust.
We are pleased to announce that the Board has authorized the Trust's thirtieth
consecutive quarterly tender offer commencing today, March 21, 1997, for the
purpose of providing liquidity to its shareholders. The commencement of the
tender offer was announced in the Wall Street Journal today.
 
     The Trust is offering to purchase up to 40,608,013 its common shares
(approximately 7% of its issued and outstanding common shares) at a price equal
to the net asset value per common share of the Trust determined as of 5:00 P.M.
Eastern Standard time on the expiration date of the offer. The offer is
scheduled to terminate as of 12:00 Midnight Eastern Standard time on April 18,
1997, the expiration date of the offer (unless extended). An "Early Withdrawal
Charge" will be imposed on most common shares accepted for payment that have
been held for less than five years.
 
     Terms and conditions of the tender offer are contained in the Trust's Offer
to Purchase dated March 21, 1997, and the related Letter of Transmittal, copies
of which are available to you upon request.
 
     Should you have any questions regarding the tender offer, please contact
Van Kampen American Capital's Investor Services Department at 1-800-421-5666.
 
Sincerely,
 
VAN KAMPEN AMERICAN CAPITAL
 
                                                                 30 PRT003-03/97

<PAGE>   1
 
                                                              EXHIBIT (A)(3)(IV)
 
ANNOUNCING . . .
 
              VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST
                          COMMENCEMENT OF TENDER OFFER
 
     It is the policy of the Board of Trustees of the Van Kampen American
Capital Prime Rate Income Trust to consider on a quarterly basis whether to make
a Tender Offer for common shares of the Trust. We are pleased to announce that
the Board has authorized the Trust's thirtieth consecutive quarterly Tender
Offer commencing on March 21, 1997, for the purpose of providing liquidity to
its shareholders. The commencement of the Tender Offer is announced in today's
Wall Street Journal. Shareholders of the Trust will be able to exchange into
Class B Shares of eligible Van Kampen American Capital open-end funds excluding
the Van Kampen American Capital High Yield Municipal Fund and Van Kampen
American Capital Growth Fund, which are closed to new investors. Please note
that the exchanged shares will retain the Early Withdrawal Charge schedule of
the Trust.
 
     The Trust is offering to purchase up to 40,608,013 of its common shares
(approximately 7% of its issued and outstanding common shares) at a price equal
to the net asset value per common share of the Trust as of 5:00 P.M., Eastern
Standard Time on April 18, 1997, the expiration date of the Tender Offer (unless
extended). The Tender Offer and the withdrawal rights expire at 12:00 Midnight
Eastern Standard time on April 18, 1997, unless the Tender Offer is extended. An
"Early Withdrawal Charge" will be imposed on most common shares accepted for
payment that have been held for less than five years.
 
     Terms and conditions of the tender offer are contained in the Trust's Offer
to Purchase dated March 21, 1997, and the related Letter of Transmittal. Copies
are available to you upon request by calling the number listed below.
 
     Shareholders may tender by completing and returning the Letter of
Transmittal by April 18, 1997. Alternatively, Selling Firms may tender account
positions with a wire order redemption via NSCC Fund/SERV or by calling the Van
Kampen American Capital Order Desk at (800) 231-7166, on April 18, 1997 (trade
date of the Tender Offer). The Trust's CUSIP is 920914-108.
 
     Should you have any questions regarding the Tender Offer, please contact
Van Kampen American Capital Investor Services Department at (800) 421-5666,
between the hours of 7AM and 7PM Central Time.

<PAGE>   1
 
                                                                  EXHIBIT (a)(4)
 
Dear Shareholder:
 
     As you requested, we are enclosing a copy of the Van Kampen American
Capital Prime Rate Income Trust ("Trust") Offer to Purchase 40,608,013 of its
issued and outstanding common shares of beneficial interest ("Common Shares")
and the related Letter of Transmittal (which together constitute the "Offer").
The Offer is at the net asset value ("NAV") per Common Share determined as of
5:00 P.M. Eastern Standard time on the Expiration Date of the Offer. An "Early
Withdrawal Charge" will be imposed on most Common Shares accepted for payment
that have been held for less than five years. Please read carefully the enclosed
documents, as well as the Trust's most current financial statements.
 
     If, after reviewing the information set forth in the Offer, you wish to
tender Common Shares for purchase by the Trust, please either follow the
instructions contained in the Offer to Purchase and Letter of Transmittal or, if
your Common Shares are held of record in the name of a broker, dealer or other
nominee, contact such broker, dealer or nominee to effect the tender for you.
 
     Neither the Trust nor its Board of Trustees is making any recommendation to
any holder of Common Shares as to whether to tender Common Shares. Each
shareholder is urged to consult his or her broker or tax adviser before deciding
whether to tender any Common Shares.
 
     The Trust's NAV per Common Share from March 14, 1995 through March 14, 1997
ranged from a high of $10.05 to a low of $9.98. On March 14, 1997 the NAV was
$9.98 per Common Share. You can obtain current NAV quotations from Van Kampen
American Capital Distributors, Inc. by calling (800) 341-2911 between the hours
of 7:00 A.M. and 7:00 P.M. Central Standard time, Monday through Friday, except
holidays. NAV quotes also may be obtained through the ICI Pricing Service which
will be released each Friday evening and published by the Dow Jones Capital
Markets Wire Service on each Friday; published in the New York Times on each
Saturday; published in the Chicago Tribune on each Sunday; and published weekly
in Barron's magazine. The Trust offers and sells its Common Shares to the public
on a continuous basis. The Trust is not aware of any secondary market trading
for the Common Shares.
 
     Should you have any questions on the enclosed material, please call Van
Kampen American Capital Distributors, Inc. at (800) 341-2911 during ordinary
business hours. We appreciate your continued interest in Van Kampen American
Capital Prime Rate Income Trust.
 
                                        Sincerely,
 
                                        VAN KAMPEN AMERICAN CAPITAL
                                          PRIME RATE INCOME TRUST
 
TO ENSURE PROCESSING OF YOUR REQUEST, A LETTER OF TRANSMITTAL OR A MANUALLY
SIGNED FACSIMILE OF IT (TOGETHER WITH ANY CERTIFICATES FOR COMMON SHARES AND ALL
OTHER REQUIRED DOCUMENTS) MUST BE RECEIVED BY THE DEPOSITARY ON OR BEFORE THE
EXPIRATION DATE (APRIL 18, 1997).
 
                                                                30 PRT-010-03/97

<PAGE>   1
 
                                                                  EXHIBIT (a)(5)
 
                                                    CONTACT: Weston B. Wetherell
                                                          (630) 684-6360
 
FOR IMMEDIATE RELEASE
 
              VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST
                     BEGINS TENDER OFFER FOR COMMON SHARES
 
     OAKBROOK TERRACE, Ill., March 21, 1997 -- Van Kampen American Capital Prime
Rate Income Trust, distributed by Van Kampen American Capital Distributors,
Inc., a subsidiary of Van Kampen American Capital, Inc. (Van Kampen American
Capital), announced today that it has commenced a tender offer for 40,608,013 or
approximately seven percent of its outstanding common shares of beneficial
interest.
 
     The offer is not conditioned on any minimum number of common shares that
must be tendered. The offer is subject to the terms and conditions set forth in
the Offer to Purchase and the Letter of Transmittal. The common shares are being
tendered for at a price equal to the net asset value per common share determined
as of 5:00 p.m., Eastern Standard time, on April 18, 1997, the expiration date,
unless extended. The offer and withdrawal rights will expire, as of 12:00
Midnight, Eastern Standard time, on April 18, 1997, unless extended. An early
withdrawal charge will be imposed on most common shares accepted for payment
that have been held for less than five years.
 
     As indicated in the Trust's current prospectus, the Board of Trustees
currently intends, each quarter, to consider authorizing the Trust to make
tender offers for its common shares in order to attempt to provide liquidity to
its investors.
 
     The Van Kampen American Capital Prime Rate Income Trust tender offer is
being made only by the Offer to Purchase dated March 21, 1997 and the related
Letter of Transmittal. Questions and requests for assistance, for current net
asset value quotes, or for copies of the Offer to Purchase, Letter of
Transmittal, and any other tender offer documents may be directed to Van Kampen
American Capital by calling 1-800-421-5666.
 
     Van Kampen American Capital is a diversified asset management company with
more than two million retail investor accounts, extensive capabilities for
managing institutional portfolios, and more than $59 billion under management or
supervision. Van Kampen American Capital's more than 40 open-end and 38
closed-end funds and more than 2,500 unit investment trusts are professionally
distributed by leading financial advisors nationwide.

<PAGE>   1
 
                                                                  EXHIBIT (C)(1)
 
                         INVESTMENT ADVISORY AGREEMENT
 
     THIS INVESTMENT ADVISORY AGREEMENT dated as of October 31, 1996, by and
between VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST (the "Fund"), a
Massachusetts business trust (the "Trust"), and VAN KAMPEN AMERICAN CAPITAL
INVESTMENT ADVISORY CORP. (the "Advisor"), a Delaware corporation.
 
     1. (A) Retention of Advisor by Fund. The Fund hereby employs the Advisor to
act as the investment adviser for and to manage the investment and reinvestment
of the assets of the Fund in accordance with the Fund's investment objective and
policies and limitations, and to administer its affairs to the extent requested
by, and subject to the review and supervision of, the Board of Trustees of the
Fund for the period and upon the terms herein set forth. The investment of funds
shall be subject to all applicable restrictions of applicable law and of the
Declaration of Trust and By-Laws of the Trust, and resolutions of the Board of
Trustees of the Fund as may from time to time be in force and delivered or made
available to the Advisor.
 
     (B) Advisor's Acceptance of Employment. The Advisor accepts such employment
and agrees during such period to render such services, to supply investment
research and portfolio management (including without limitation the selection of
securities for the Fund to purchase, hold or sell and the selection of brokers
through whom the Fund's portfolio transactions are executed, in accordance with
the policies adopted by the Fund and its Board of Trustees), to administer the
business affairs of the Fund, to furnish offices and necessary facilities and
equipment to the Fund, to provide administrative services for the Fund, to
render periodic reports to the Board of Trustees of the Fund, and to permit any
of its officers or employees to serve without compensation as trustees or
officers of the Fund if elected to such positions.
 
     (C) Independent Contractor. The Advisor shall be deemed to be an
independent contractor under this Agreement and, unless otherwise expressly
provided or authorized, shall have no authority to act for or represent the Fund
in any way or otherwise be deemed as agent of the Fund.
 
     (D) Non-Exclusive Agreement. The services of the Advisor to the Fund under
this Agreement are not to be deemed exclusive, and the Advisor shall be free to
render similar services or other services to others so long as its services
hereunder are not impaired thereby.
 
     2. (A) Fee. For the services and facilities described in Section 1, the
Fund will accrue daily and pay to the Advisor at the end of each calendar month
an investment management fee equal to a percentage of the average daily net
assets of the fund as follows:
 
<TABLE>
<CAPTION>
                                                                        FEE PERCENT OF
  AVERAGE DAILY                                                         AVERAGE DAILY
    NET ASSETS                                                            NET ASSETS
  -------------                                                         --------------
<S>                                                                     <C>
First $4.0 billion....................................................    .950 of 1%
Next $3.5 billion.....................................................    .900 of 1%
Next $2.5 billion.....................................................    .875 of 1%
Over $10 billion......................................................    .850 of 1%
</TABLE>
 
     (B) Determination of Net Asset Value. The net asset value of the Fund shall
be calculated as of the close of the New York Stock Exchange on the last day the
Exchange is open for trading in each calendar week or as of such other time or
times as the trustees may determine in accordance with the provisions of
applicable law and of the Declaration of Trust and By-Laws of the Trust, and
resolutions of the Board of Trustees of the Fund as from time to time in force.
For the purpose of the foregoing computations, on each such day when net asset
value is not calculated, the net asset value of a share of beneficial interest
of the Fund shall be deemed to be the net asset value of such share as of the
close of business of the last day on which such calculation was made.
 
     (C) Proration. For the month and year in which this Agreement becomes
effective or terminates, there shall be an appropriate proration of the
Advisor's fee on the basis of the number of days that the Agreement is in effect
during such month and year, respectively.
<PAGE>   2
 
     3. Expenses. In addition to the fee of the Advisor, the Fund shall assume
and pay any expenses for services rendered by a custodian for the safekeeping of
the Fund's securities or other property, for keeping its books of account, for
any other charges of the custodian and for calculating the net asset value of
the Fund as provided above. The Advisor shall not be required to pay, and the
Fund shall assume and pay, the charges and expenses of its operations, including
compensation of the trustees (other than those who are interested persons of the
Advisor), charges and expenses of independent accountants, of legal counsel and
of any transfer or dividend disbursing agent, costs of acquiring and disposing
of portfolio securities, cost of listing shares of the New York Stock Exchange
or other exchange interest (if any) on obligations incurred by the Fund, costs
of share certificates, membership dues in the Investment Company Institute or
any similar organization, costs of reports and notices to shareholders, costs of
registering shares of the Fund under the federal securities laws, miscellaneous
expenses and all taxes and fees to federal, state or other governmental agencies
on account of the registration of securities issued by the Fund, filing of
corporation documents or otherwise. The Fund shall not pay or incur any
obligation for any management or administrative expenses for which the Fund
intends to seek reimbursement from the Advisor without first obtaining the
written approval of the Advisor. The Advisor shall arrange, if desired by the
Fund, for officers or employees of the Advisor to serve, without compensation
from the Fund, as trustees, officers or agents of the Fund if duly elected or
appointed to such positions and subject to their individual consent and to any
limitations imposed by law.
 
     4. Interested Persons. Subject to applicable statutes and regulations, it
is understood that trustees, officers, shareholders and agents of the Fund are
or may be interested in the Advisor as directors, officers, shareholders, agents
or otherwise and that the directors, officers, shareholders and agents of the
Advisor may be interest in the Fund as trustees, officers, shareholders, agents
or otherwise.
 
     5. Liability. The Advisor shall not be liable for any error of judgment or
of law, or for any loss suffered by the Fund in connection with the matters to
which this Agreement relates, except a loss resulting from willful misfeasance,
bad faith or gross negligence on the part of the Advisor in the performance of
its obligations and duties, or by reason of its reckless disregard of its
obligations and duties under this Agreement.
 
     6. (A) Term. This Agreement shall become effective on the date hereof and
shall remain in full force until the second anniversary of the date hereof
unless sooner terminated as hereinafter provided. This Agreement shall continue
in force from year to year thereafter, but only as long as such continuance is
specifically approved at least annually in the manner required by the Investment
Company Act of 1940, as amended.
 
     (B) Termination. This Agreement shall automatically terminate in the event
of its assignment. This Agreement may be terminated at any time without the
payment of any penalty by the Fund or by the Advisor on sixty (60) days written
notice to the other party. The Fund may effect termination by action of the
Board of Trustees or by vote of a majority of the outstanding shares of stock of
the Fund, accompanied by appropriate notice. This Agreement may be terminated at
any time without the payment of any penalty and without advance notice by the
Board of Trustees or by vote of a majority of the outstanding shares of the Fund
in the event that it shall have been established by a court of competent
jurisdiction that the Advisor or any officer or director of the Advisor has
taken any action which results in a breach of the covenants of the advisor set
forth herein.
 
     (C) Payment upon Termination. Termination of this Agreement shall not
affect the right of the Advisor to receive payment on any unpaid balance of the
compensation described in Section 2 earned prior to such termination.
 
     7. Severability. If any provision of this Agreement shall be held or made
invalid by a court decision, statute, rule or otherwise, the remainder shall not
be thereby affected.
 
     8. Notices. Any notice under this Agreement shall be in writing, addressed
and delivered or mailed, postage prepaid, to the other party at such address as
such other party may designate for the receipt of such notice.
 
     9. Disclaimer. The Advisor acknowledges and agrees that, as provided by
Section 5.5 of the Declaration of Trust of the Trust, the shareholders,
trustees, officers, employees and other agents of the Trust and the Fund
<PAGE>   3
 
shall not personally be bound by or liable hereunder, nor shall resort be had to
their private property for the satisfaction of any obligation or claim
hereunder.
 
     IN WITNESS WHEREOF, the Fund and the Advisor have caused this Agreement to
be executed on the day and year first above written.
 
                                          VAN KAMPEN AMERICAN CAPITAL
                                            INVESTMENT ADVISORY CORP.
 
                                          By:       /s/ DENNIS J. MCDONNELL
 
                                            ------------------------------------
                                                         President
 
                                          VAN KAMPEN AMERICAN CAPITAL
                                            PRIME RATE INCOME TRUST
 
                                          By:        /s/ RONALD A. NYBERG
 
                                            ------------------------------------
                                                         Secretary

<PAGE>   1


                      ADMINISTRATION AGREEMENT                   EXHIBIT (c) (2)

     Agreement made as of October 31, 1996 , between VAN KAMPEN AMERICAN
CAPITAL PRIME RATE INCOME TRUST, a Massachusetts business trust (the "Fund"),
and VAN KAMPEN AMERICAN CAPITAL DISTRIBUTORS, INC., a Delaware corporation (the
"Administrator").

     WHEREAS, the Fund intends to operate as a closed-end management investment
company, and is so registered under the Investment Company act of 1940, as
amended ( "1940 Act"); and

     WHEREAS, the Fund wishes to retain the Administrator to provide certain
administrative services to the Fund, under the terms and conditions stated
below, and the Administrator is willing to provide such services for the
compensation set forth below;

     NOW, THEREFORE, in consideration of the premises and mutual covenants
contained herein, the parties agree as follows:

     1. Appointment.  The Fund hereby appoints the Administrator to administer
the Fund, and the Administrator accepts such appointment and agrees that it
will furnish the services set forth in paragraph 2 below.

     2. Services and Duties of the Administrator.  Subject to the supervision
of the Fund's Board of Trustees (the "Board"), the Administrator will:

            (a)  Monitor the provisions of the loan agreements and
                 any agreements with respect to participations and assignments
                 and be responsible for recordkeeping with respect to senior
                 loans in the Fund's portfolio;

            (b)  Prepare all reports required to be sent to Fund
                 shareholders, and arrange for the printing and dissemination
                 of such reports to shareholders;

            (c)  Arrange for the dissemination to shareholders of
                 the Fund's proxy materials and oversee the tabulation of
                 proxies by the Fund's transfer agent;

            (d)  Negotiate the terms and conditions under which
                 custodian services will be provided to the Fund and the fees
                 to be paid by the Fund to its custodian (which may or may not
                 be an affiliate of the Fund's investment adviser), in
                 connection therewith;

            (e)  Negotiate the terms and conditions under which
                 dividend disbursing services will be provided to the Fund, and
                 the fees to be paid by the Fund in connection therewith;
                 review the provision of dividend disbursing services to the
                 Fund;

            (f)  Determine the amounts available for distribution
                 as dividends and distributions to be paid by the Fund to its
                 Shareholders; prepare and arrange for the printing of dividend
                 notices to  Shareholders; and provide the Fund's dividend
                 disbursing agent and custodian with such information as is
                 required for such parties to effect the payment of dividends
                 and distributions and to implement the Fund's dividend
                 reinvestment plan;

            (g)  Make such reports and recommendations to the
                 Board as the Board reasonably requests or deems appropriate;
                 and

            (h)  Provide shareholder services to holders or
                 potential holders of the Fund's securities including but not
                 limited to responding to shareholder requests for information.

                                       1


<PAGE>   2




     3. Public Inquiries.  The Fund and the Administrator agree that the
Administrator will not be responsible for replying to questions or requests for
information concerning the Fund from shareholders, brokers or the public.  The
Fund will inform the Administrator of the party or parties to whom any such
questions or requests should be directed, and the Administrator will refer such
questions and requests to such party or parties.

     4. Compliance with the Fund's Governing Documents and Applicable Law.  In
all matters relating to the performance of this Agreement, the Administrator
will act in conformity with the Declaration of Trust, By-Laws and registration
statement of the Fund and with the directions of the Board and Fund executive
officers and will conform to and comply with the requirements of the 1940 Act
and all other applicable federal or state laws and regulations.

     5. Services Not Exclusive.  The Administrator's services hereunder are not
deemed to be exclusive, and the Administrator is free to render administrative
or other services to other funds or clients so long as the Administrator's
services under this Agreement are not impaired thereby.

     6. Compensation.  For the services provided and expenses assumed by the
Administrator under this Agreement, the Fund will pay the Administrator a fee,
accrued daily and paid monthly, at the annualized rate of .25% of the Fund's
average weekly managed assets (which, for the purposes of determining such fee,
shall mean the average weekly value of the total assets of the Fund, minus the
sum of the accrued liabilities of the Fund other than the aggregate amount of
any borrowings undertaken by the Fund).

     7. Limitation of Liability of the Administrator.  The Administrator will
not be liable for any error of judgement or mistake of law or for any loss
suffered by the Fund or its shareholders in connection with the performance of
its duties under this Agreement, except a loss resulting from willful
misfeasance, bad faith or gross negligence on its part in the performance of
its duties or from reckless disregard by it of its duties under this Agreement.

     8. Limitation of Liability of the Trustees and Shareholders of the Fund.
Pursuant to the provisions of Article V, Section 5.5 of the Declaration of
Trust as amended or restated as of the date hereof, this Agreement is entered
into by the Board not individually, but as trustees under such Declaration of
Trust and the obligations of the Fund hereunder are not binding upon any such
trustees or Shareholders of the Fund, but bind only the trust estate.

     9. Duration and Termination.  This Agreement will become effective upon
the date hereabove written and shall continue in effect thereafter until
terminated without penalty by the Administrator or the Fund upon 30 days'
written notice to the other and shall automatically terminate in the event of
its assignment as that term is defined in the 1940 Act.

     10. Amendment of this Agreement.   No provision of this Agreement may be
changed, waived, discharged or terminated orally, but only by an instrument in
writing signed by the party against which enforcement of the change, waiver,
discharge or termination is sought.

     11. Governing Law.  This Agreement shall be construed in accordance with
the laws of the Commonwealth of Massachusetts and the 1940 Act. To the extent
that the applicable laws of the Commonwealth of Massachusetts conflict with the
applicable provisions of the 1940 Act, the latter shall control.

     12. Miscellaneous.  The captions in this Agreement are included for
convenience of reference only and in no way define or delimit any of the
provisions hereof or otherwise affect their construction or effect.  If any
provision of this Agreement shall be held or made invalid by a court decision,
statute, rule or otherwise, the remainder of this Agreement shall not be
affected thereby.

                                      2
<PAGE>   3


     IN WITNESS WHEREOF, the parties hereto have caused this instrument to be
executed by their officers designated below as of the day and year first above
written.

                              
                              
Attest:                         VAN KAMPEN AMERICAN CAPITAL
                                PRIME RATE INCOME TRUST
                                                                           
                                                                              
   /s/ Weston B. Wetherell      By:    /s/ Edward C. Wood, III                
- ------------------------------  ------------------------------------------    
Weston B. Wetherell                Edward C. Wood, III, Vice President and    
Assistant Secretary                   Chief Financial Officer                 
                                                                              
                                                                              
                                                                              
Attest:                         VAN KAMPEN AMERICAN CAPITAL                   
                                DISTRIBUTORS, INC.                            
                                                                              
                                                                              
   /s/ Weston B. Wetherell      By:    /s/ William R. Molinari                
- ------------------------------  ------------------------------------------    
Weston B. Wetherell                William R. Molinari, President             
Assistant Secretary                                                           
                                                                              
                                                                              
                                                                           
                              
                                



                                      3

<PAGE>   1


                                                                  EXHIBIT (c)(3)
                               OFFERING AGREEMENT

     OFFERING AGREEMENT dated October 31, 1996 by and between VAN KAMPEN
AMERICAN CAPITAL PRIME RATE INCOME TRUST (the "Fund"), a Massachusetts business
trust, and VAN KAMPEN AMERICAN CAPITAL DISTRIBUTORS, INC., a Delaware
corporation (the "Principal Underwriter").

     1.  Appointment of Principal Underwriter. The Fund appoints the Principal
Underwriter as a principal underwriter and exclusive distributor of shares of
the Fund (the "Shares"), effective as of the date upon which the continuous
public offering of the Fund's Shares, as described in the Fund's then current
Prospectus, shall commence. The Fund reserves the right, however, to refuse at
any time or times to sell Shares hereunder for any reason deemed adequate by
the Board of Trustees of the Fund.

     The Principal Underwriter will use its best efforts to sell through its
organization and through other dealers and agents the Shares which the
Principal Underwriter has the right to purchase under Section 2 hereof, but the
Principal Underwriter does not undertake to sell any specific number of Shares.

     The Principal Underwriter agrees that it will not take any long or short
positions in the Shares, except for long positions in those Shares purchased by
the Principal Underwriter in accordance with any systematic sales plan
described in the then current Prospectus of the Fund and except as permitted by
Section 2 hereof, and that so far as it can control the situation, it will
prevent any of its trustees, officers or shareholders from taking any long or
short positions in the Shares, except for legitimate investment purposes.

     2.  Sale of Shares to Principal Underwriter; Early Withdrawal Charge. The
Fund hereby grants to the Principal Underwriter the exclusive right, except as
herein otherwise provided, to purchase Shares upon the terms herein set forth.
Such exclusive right hereby granted shall not apply to Shares issued or
transferred or sold as net asset value: (a) in connection with the merger or
consolidation of the Fund with any other investment company or the acquisition
by the Fund of all or substantially all of the assets or of the outstanding
Shares of any investment company; (b) in connection with a pro rata
distribution directly to the holders of Fund Shares in the nature of a stock
dividend or stock split or in connection with any other recapitalization
approved by the Board of Trustees; (c) upon the exercise of purchase or
subscription rights granted to the holders of Fund Shares on a pro rata basis;
or (d) in connection with the automatic reinvestment of dividends and
distributions from the Fund.

     The Principal Underwriter shall have the right to buy from the Fund the
Shares needed, but not more than the Shares needed (except for reasonable
allowances for clerical errors, delays and errors of transmission and
cancellation of orders) to fill unconditional orders for Shares received by the
Principal Underwriter from dealers, agents and investors during each period
when a particular net asset value and public offering price are in effect as
provided in Section 3 hereof; and the price which the Principal Underwriter
shall pay for the Shares so purchased shall be the net asset value used in
determining the public offering price on which such orders were based. The
Principal Underwriter shall notify the Fund at the end of each such period, or
as soon thereafter on that business day as the orders received in such period
have been compiled, of the number of Shares which the Principal Underwriter
elects to purchase hereunder.

     The Fund shall impose an early withdrawal charge, payable to the Principal
Underwriter, on most shares accepted for tender by the Fund which have been
held for less than five years, as set forth in the current Fund Prospectus.


<PAGE>   2


     3.  Public Offering Price.  The public offering price per Share shall be
determined in accordance with the then current Prospectus of the Fund. In no
event shall the public offering price exceed the net asset value per Share. The
net asset value per Share shall be determined in the manner provided in the
Declaration of Trust and By-Laws of the Fund as then amended and in accordance
with the then current Prospectus of the Fund. The Fund will cause immediate
notice to be given to the Principal Underwriter of each change in net asset
value as soon as it is determined. Compensation from the Principal Underwriter
to dealers purchasing Shares from the Principal Underwriter for resale and to
brokers and other eligible agents making sales to investors shall be set the
forms of agreement between the Principal Underwriter and such dealers or
agents, respectively, as from time to time amended, and, if such compensation
from the Principal Underwriter is described in the then current Prospectus for
the Fund, shall be as so set forth.

     4. Compliance with NASD Rules, etc.  In selling Fund Shares, the Principal
Underwriter will in all respects duly conform with all state and Federal laws
relating to the sale of such securities and with all applicable rules and
regulations of all regulatory bodies, including without limitation, the Rules
of Fair Practice of the National Association of Securities Dealers, Inc. and
all applicable rules and regulations of the Securities and Exchange Commission
under the 1940 Act, and will indemnify and save the Fund harmless from any
damage or expense on account of any unlawful act by the Principal Underwriter
or its agents or employees. The Principal Underwriter is not, however, to be
responsible for the acts of other dealers or agents except as and to the extent
that they shall be acting for the Principal Underwriter or under its direction
or authority. None of the Principal Underwriter, any dealer, any agent or any
other person is authorized by the Fund to give any information or to make any
representations, other than those contained in the Registration Statement or
Prospectus heretofore or hereafter filed with the Securities and Exchange
Commission under the Securities Act of 1933 (the "1933 Act"), as amended (as
any such Registration Statement and Prospectus may have been or may be amended
from time to time), covering the Shares, and in any supplemental information to
any such Prospectus approved by the Fund in connection with the offer or sale
of Shares. None of the Principal Underwriter, any dealer, any broker or any
other person is authorized to act as agent for the Fund in connection with the
offering or sale of Shares to the public or otherwise. All such sales shall be
made by the Principal Underwriter as principal for its own account.

     5.  Expenses.

         (a)  The Fund will pay or cause to be paid:

              (i)    all expenses in connection with the registration of Fund 
      Shares under the Federal securities laws, and the Fund will exercise
      its best efforts to obtain said registration and qualifications;

              (ii)   all expenses in connection with the printing of any 
      notices of shareholders' meetings, proxy and proxy statements and
      enclosures therewith, as well as any other notice or communication sent
      to shareholders in connection with any meeting of the shareholders or
      otherwise, any annual, semi-annual or other report or communications sent
      to the shareholders, and the expense of sending prospectuses relating to
      the Shares to existing shareholders;
              
              (iii)  all expenses of any Federal or state original issue tax or
      transfer tax payable upon the issuance, transfer or delivery of Shares
      from the Fund to the Principal Underwriter;

              (iv)   the cost of preparing and issuing any Share certificates 
      which may be issued to represent Shares.

         (b)  The Principal Underwriter will pay the costs and expenses of
      qualifying and maintaining qualifications of the shares for sale under
      the securities laws of the various states. The Principal Underwriter will
      also permit its officers and employees to serve without compensation as
      trustees and officers of the Fund if duly elected to such positions.


                                      2
<PAGE>   3


     6. No Secondary Market Activity.  It is understood that Shares of the Fund
will not be repurchased by either the Fund or the Principal Underwriter, and
that no secondary market for the Fund shares exists currently, or is expected
to develop. While the Board of Trustees of the Fund intends to consider
tendering for all or a portion of the Fund's shares on a quarterly basis, there
is no assurance that the Fund will tender for shares at any time or, following
such a tender offer, that shares so tendered will be repurchased by the Fund.
Accordingly investment in the Fund's shares would be considered illiquid.

     ANY REPRESENTATION AS TO A TENDER OFFER BY THE FUND, OTHER THAN THAT WHICH
IS SET FORTH IN THE FUND'S THEN CURRENT PROSPECTUS IS EXPRESSLY PROHIBITED.

     The Principal Underwriter hereby covenants that it (i) will not make a
secondary market in any shares of the Fund, (ii) will not purchase or hold such
shares in inventory for the purpose of resale in the open market, (iii) will
not repurchase shares in the open market, and (iv) will require every bank,
broker or dealer participating in the continuous offering of the shares to make
the covenants contained in clauses (i), (ii) and (iii) of this Section 6 as a
condition precedent to their participation in such offering.

     7. Indemnification.  The Fund agrees to indemnify and hold harmless the
Principal Underwriter and each of its trustees and officers and each person, if
any, who controls the Principal Underwriter within the meaning of Section 15 of
the 1933 Act against any loss, liability, claim, damages or expenses (including
the reasonable cost of investigating or defending any alleged loss, liability,
claim, damages, or expense and reasonable counsel fees incurred in connection
therewith), arising by reason of any person acquiring any Shares, based upon
the ground that the registration statement, Prospectus, shareholder reports or
other information filed or made public by the Fund (as from time to time
amended), included an untrue statement of a material fact or omitted to state a
material fact required to be stated or necessary in order to make the
statements not misleading under the 1933 Act, or any other statute or the
common law. However, the Fund does not agree to indemnify the Principal
Underwriter or hold it harmless to the extent that the statement or omission
was made in reliance upon, and in conformity with, information furnished by the
Fund by or on behalf of the Principal Underwriter. In no case (i) is the
indemnity of the Fund in favor of the Principal Underwriter or any person
indemnified to be deemed to protect the Principal Underwriter or any person
against any liability to the Fund or its security holders to which the
Principal Underwriter or such person would otherwise by subject by reason of
willful misfeasance, bad faith or gross negligence in the performance of its
duties or by reason of its reckless disregard of its obligations and duties
under this Agreement, or (ii) is the Fund to be liable under its indemnity
agreement contained in this section with respect to any claim made against the
Principal Underwriter or any other person shall have notified the Fund in
writing of the claim within a reasonable time after the summons or other first
written notification giving information of the nature of the claim shall have
been served upon the Principal Underwriter or any person (or after the
Principal Underwriter or the person shall have received notice of service on
any designated agent). However, failure to notify the Fund of any claim shall
not relieve the Fund from any liability which it may have to the Principal
Underwriter or any person against whom such action is brought otherwise than on
account of its indemnity agreement contained in this paragraph. The Fund shall
be entitled to participate at its own expense in the defense, or, if it so
elects, to assume the defense of any such brought to enforce any claims, but if
the Fund elects to assume the defense, the defense shall be conducted by
counsel chosen by it and satisfactory to the Principal Underwriter or officers
or trustees or controlling person or persons, defendant or defendants in the
suit. In the event the Fund elects to assume the defense of any suit and retain
counsel, the Principal Underwriter, officers or trustees or controlling person
or persons, defendant or defendants in the suit, shall bear the fees and
expenses of any additional counsel retained by them. If the Fund does not elect
to assume the defense of any suit, it will reimburse the Principal Underwriter,
officers or trustees or controlling person or persons, defendant or defendants
in the suit, for the reasonable fees and expenses of any counsel retained by
them. The Fund agrees to notify the Principal Underwriter promptly of the
commencement of any litigation or proceedings against it or any of its officers
or directors in connection with the issuance or sale of any of the Shares.

                                      3
<PAGE>   4


     The Principal Underwriter also covenants and agrees that it will indemnify
and hold harmless the Fund and each of its trustees and officers and each
person, if any, who controls the Fund within the meaning of Section 15 of the
1933 Act, against any loss, liability, damages, claim or expense (including the
reasonable cost of investigating or defending any alleged loss, liability,
damages, claim or expense and reasonable counsel fees incurred in connection
therewith) arising by reason of any person acquiring any Shares, based upon the
1933 Act or any other statute or common law, alleging any wrongful act of the
Principal Underwriter or any of its employees or alleging that the registration
statement, Prospectus, shareholder reports or other information filed or made
public by the Fund (as from time to time amended), included an untrue statement
of a material fact or omitted to state a material fact required to be stated or
necessary in order to make the statements not misleading, insofar as the
statement or omission was made in reliance upon, and in conformity with
information furnished to the Fund by or on behalf of the Principal Underwriter.
In no case (i) is the indemnity of the Principal Underwriter in favor of the
Fund or any person indemnified to be deemed to protect the Fund or any person
against any liability to which the Fund or such person would otherwise be
subject by reason of willful misfeasance, bad faith or gross negligence in the
performance of its duties or by reason of its reckless disregard of its
obligations and duties under this Agreement, or (ii) is the Principal
Underwriter to be liable under its indemnity agreement contained in this
paragraph with respect to any claim made against the Fund or any person
indemnified unless the Fund or person, as the case may be, shall have notified
the Principal Underwriter in writing of the claim within a reasonable time
after the summons or other first written notification giving information of the
nature of the claim shall have been served upon the Fund or person (or after
the Fund or such person shall have received notice of service on any designated
agent). However, failure to notify the Principal Underwriter of any claim shall
not relieve the Principal Underwriter from any liability which it may have to
the Fund or any person against whom the action is brought otherwise than on
account of its indemnity agreement contained in this paragraph. In the case of
any notice to the Principal Underwriter, it shall be entitled to participate,
at its own expense, in the defense or, if it so elects, to assume the defense
of any suit brought to enforce the claim, but if the Principal Underwriter
elects to assume the defense the defense shall be conducted by counsel chosen
by it and satisfactory to the Fund, to its officers and trustees and to any
controlling person or persons, defendant or defendants in the suit. In the
event that the Principal Underwriter elects to assume the defense of any suit
and retain counsel, the Fund or controlling persons, defendants in the suit,
shall bear the fees and expenses of any additional counsel retained by them. If
the Principal Underwriter does not elect to assume the defense of any suit, it
will reimburse the Fund, officers and trustees or controlling person or
persons, defendant or defendants in the suit, for the reasonable fees and
expenses of any counsel retained by them. The Principal Underwriter agrees to
notify the Fund promptly of the commencement of any litigation or proceedings
against it in connection with the issue and sale of any of the Shares.

     8.  Continuation, Amendment or Termination of the Agreement. This
Agreement shall become effective on the Effective Date and thereafter shall
continue in full force and effect from year to year so long as such continuance
is approved at least annually (i) by the Board of Trustees of the Fund or by a
vote of a majority of the outstanding voting securities of the Fund, and (ii)
by vote of a majority of the Trustees who are not parties to this Agreement or
interested persons in any such party (the "Disinterested Trustees") cast in
person at a meeting called for the purpose of voting on such approval,
provided, however, that (a) this Agreement may at any time be terminated
without the payment of any penalty either by vote of a majority of the
Disinterested Trustees, or by vote of a majority of the outstanding voting
securities of the Fund, on written notice to the Principal Underwriter; (b)
this Agreement shall immediately terminate in the event of its assignment; and
(c) this Agreement may be terminated by the Principal Underwriter on ninety
(90) days' written notice to the Fund. Upon termination of this Agreement, the
obligations of the parties hereunder shall cease and terminate as of the date
of such termination, except for any obligation to respond for a breach of this
Agreement committed prior to such termination and except with respect to any
rights and obligations of indemnification arising out of any action or inaction
occurring prior to such termination.

     This Agreement may be amended at any time by mutual consent of the
parties, provided that such consent on the part of the Fund shall have been
approved (i) by the Board of Trustees of the Fund, or by a vote of the majority
of the outstanding voting securities of the Fund, and (ii) by vote of a
majority 


                                      4
<PAGE>   5

of the Disinterested Trustees cast in person at a meeting called for
the purpose of voting on such amendment.

     For purposes of this section, the terms "vote of a majority of the
outstanding voting securities", "interested persons" and "assignment" shall
have the meanings defined in the 1940 Act, as amended.

     9.  Disclaimer Liability. Notwithstanding anything to the contrary
contained in this Agreement, you acknowledge and agree that, as provided by
Section 5.5 of the Declaration of Trust of the Fund, the shareholders,
trustees, officers, employees and other agents of the Fund shall not personally
be bound by or liable hereunder, nor shall any resort to their personal
property be had for the satisfaction of any obligation or claim hereunder.

     10.  Notice.  Any notice given under this Agreement shall be given in
writing, addressed and delivered, or mailed postpaid, to the other party at any
office of such party or at such other address as such party shall have
designated in writing.

     IN WITNESS WHEREOF, the parties hereto have executed this Agreement to be
executed on their behalf on the day and year first above written.


                          VAN KAMPEN AMERICAN CAPITAL PRIME RATE INCOME TRUST  
                                                                               
                                                                               
                                                                               
                                                                               
                          By  /s/ Dennis J. McDonnell                          
                             ----------------------------------
                              Dennis J. McDonnell
                              President  
                                                                               
                                                                               
                                                                               
                                                                               
                          VAN KAMPEN AMERICAN CAPITAL DISTRIBUTORS, INC.       
                                                                               
                                                                               
                                                                               
                                                                               
                          By  /s/ William R. Molinari                   
                             ----------------------------------
                              William R. Molinari
                              President 
                                                                               

                                      5


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