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Exhibit 9(b)(4)

TRANSFER AGENCY AND SERVICE AGREEMENT

BETWEEN

AIM INVESTMENT SECURITIES FUNDS

AND

A I M INSTITUTIONAL FUND SERVICES, INC.

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TABLE OF CONTENTS

PAGE

ARTICLE 1 TERMS OF APPOINTMENT; DUTIES OF THE TRANSFER AGENT . . . . . . . . . . . . . . . . . . . . . . . . . 1

ARTICLE 2 FEES AND EXPENSES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

ARTICLE 3 REPRESENTATIONS AND WARRANTIES OF THE TRANSFER AGENT . . . . . . . . . . . . . . . . . . . . . . . . 3

ARTICLE 4 REPRESENTATIONS AND WARRANTIES OF THE FUND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

ARTICLE 5 INDEMNIFICATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

ARTICLE 6 COVENANTS OF THE FUND AND THE TRANSFER AGENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

ARTICLE 7 TERMINATION OF AGREEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

ARTICLE 8 ADDITIONAL FUNDS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

ARTICLE 9 ASSIGNMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

ARTICLE 10 AMENDMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

ARTICLE 11 TEXAS LAW TO APPLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

ARTICLE 12 MERGER OF AGREEMENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

ARTICLE 13 COUNTERPARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

ARTICLE 14 NO PERSONAL LIABILITY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

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TRANSFER AGENCY AND SERVICE AGREEMENT

AGREEMENT made as of the 1st day of July, 1995, by and between AIM
INVESTMENT SECURITIES FUNDS, a Delaware business trust having its principal
office and place of business at 00 Xxxxxxxx Xxxxx, Xxxxx 0000, Xxxxxxx, Xxxxx
00000 (the "Fund"), and A I M Institutional Fund Services, Inc., a Delaware
corporation having its principal office and place of business at 00 Xxxxxxxx
Xxxxx, Xxxxx 0000, Xxxxxxx, Xxxxx 00000 (the "Transfer Agent").

WHEREAS, the Transfer Agent is registered as such with the Securities
and Exchange Commission (the "SEC"); and

WHEREAS, the Fund is authorized to issue shares in separate series and
classes, with each such series representing interests in a separate portfolio
of securities and other assets and each such class having different
distribution arrangements; and

WHEREAS, the Fund on behalf of the Institutional Class of each of the
portfolios thereof (the "Portfolios") desires to appoint the Transfer Agent as
its transfer agent, and agent in connection with certain other activities, with
respect to the Portfolios, and the Transfer Agent desires to accept such
appointment;

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

ARTICLE I
TERMS OF APPOINTMENT; DUTIES OF THE TRANSFER AGENT

1.01 Subject to the terms and conditions set forth in this
Agreement, the Fund hereby employs and appoints the Transfer Agent to act as,
and the Transfer Agent agrees to act as, its transfer agent for the authorized
and issued shares of beneficial interest of the Fund representing interests in
the Institutional Class of each of the respective Portfolios ("Shares"),
dividend disbursing agent, and agent in connection with any accumulation or
similar plans provided to shareholders of each of the Portfolios (the
"Shareholders"), including without limitation any periodic investment plan or
periodic withdrawal program, as provided in the currently effective prospectus
and statement of additional information (the "Prospectus") of the Fund on
behalf of the Portfolios.

1.02 The Transfer Agent agrees that it will perform the following
services:

(a) The Transfer Agent shall, in accordance with procedures
established from time to time by agreement between the Fund on behalf of each
of the Portfolios, as applicable, and the Transfer Agent:

(i) receive for acceptance, orders for the purchase of
Shares, and promptly deliver payment and appropriate
documentation thereof to the Custodian of the Fund
authorized pursuant to the Agreement and Declaration
of Trust and By-Laws of the Fund (the "Custodian");

(ii) pursuant to purchase orders, issue the appropriate
number of Shares and hold such Shares in the
appropriate Shareholder account;

(iii) receive for acceptance redemption requests and
redemption directions and deliver the appropriate
documentation thereof to the Custodian;

(iv) at the appropriate time as and when it receives
monies paid to it by the Custodian with respect to
any redemption, pay over or cause to be paid over in
the appropriate manner such monies as instructed by
the Fund;

(v) effect transfers of Shares by the registered owners
thereof upon receipt of appropriate instructions;

(vi) prepare and transmit payments for dividends and
distributions declared by the Fund on behalf of the
Shares;

(vii) maintain records of account for and advise the Fund
and its Shareholders as to the foregoing; and

(viii) record the issuance of Shares of the Fund and
maintain pursuant to SEC Rule 17Ad-1O(e) a record of
the total number of Shares which are authorized,
based upon data provided to it by the Fund, and
issued and outstanding.

The Transfer Agent shall also provide the Fund on a regular basis with
the total number of Shares which are authorized and issued and outstanding but
shall have no obligation, when recording the issuance of Shares, to monitor the
issuance of such Shares or to take cognizance of any laws relating to the issue
or sale of such Shares, which function shall be the sole responsibility of the
Fund.

(b) In addition to the services set forth in the above paragraph
(a), the Transfer Agent shall: (i) perform the customary services of a transfer
agent, including but not limited to: maintaining all Shareholder accounts,
mailing Shareholder reports and prospectuses to current Shareholders, preparing
and mailing confirmation forms and statements of accounts to Shareholders for
all purchases and redemptions of Shares and other confirmable transactions in
Shareholder accounts, preparing and mailing activity statements for
Shareholders, and providing Shareholder account information.

(c) Procedures as to who shall provide certain of these services
in Article 1 may be established from time to time by agreement between the Fund
on behalf of each Portfolio and the Transfer Agent. The Transfer Agent may at
times perform only a portion of these services and the Fund or its agent may
perform these services on the Fund's behalf.

ARTICLE 2
FEES AND EXPENSES

2.01 For performance by the Transfer Agent pursuant to this
Agreement, the Fund agrees on behalf of each of the Portfolios to pay the
Transfer Agent an annual fee in the amount of .007% of average daily net
assets, payable monthly. Such fee may be changed from time to time subject to
mutual written agreements between the Fund and the Transfer Agent.

2.02 The Fund agrees on behalf of each of the Portfolios to pay all
fees following the mailing of a billing notice.

ARTICLE 3
REPRESENTATIONS AND WARRANTIES OF THE TRANSFER AGENT

The Transfer Agent represents and warrants to the Fund that:

3.01 It is a corporation duly organized and existing and in good
standing under the laws of the state of Delaware.

3.02 It is duly qualified to carry on its business in Delaware and
in Texas.

3.03 It is empowered under applicable laws and by its Charter and
By-Laws to enter into and perform this Agreement.

3.04 All requisite corporate proceedings have been taken to
authorize it to enter into and perform this Agreement.

3.05 It has and will continue to have access to the necessary
facilities, equipment and personnel to perform its duties and obligations under
this Agreement.

3.06 It is registered as a Transfer Agent as required by the
federal securities laws.

3.07 This Agreement is a legal, valid and binding obligation to it.

ARTICLE 4
REPRESENTATIONS AND WARRANTIES OF THE FUND

The Fund represents and warrants to the Transfer Agent that:

4.01 It is a business trust duly organized and existing and in good
standing under the laws of Delaware.

4.02 It is empowered under applicable laws and by its Agreement and
Declaration of Trust and By-Laws to enter into and perform this Agreement.

4.03 All proceedings required by said Agreement and Declaration of
Trust and By-Laws have been taken to authorize it to enter into and perform
this Agreement.

4.04 It is an open-end, management investment company registered
under the Investment Company Act of 1940, as amended.

4.05 A registration statement under the Securities Act of 1933, as
amended, on behalf of each of the Portfolios is currently effective and will
remain effective, with respect to all Shares of the Fund being offered for
sale.

ARTICLE 5
INDEMNIFICATION

5.01 The Transfer Agent shall not be responsible for, and the Fund
shall on behalf of the applicable Portfolio, indemnify and hold the Transfer
Agent harmless from and against, any and all losses, damages, costs, charges,
counsel fees, payments, expenses and liability arising out of or attributable
to:

(a) all actions of the Transfer Agent or its agents or
subcontractors required to be taken pursuant to this Agreement, provided that
such actions are taken in good faith and without negligence or willful
misconduct;

(b) the Fund's lack of good faith, negligence or willful
misconduct which arise out of the breach of any representation or warranty of
the Fund hereunder;

(c) the reliance on or use by the Transfer Agent or its agents or
subcontractors of information, records and documents or services which (i) are
received or relied upon by the Transfer Agent or its agents or subcontractors
and/or furnished to it or performed by on behalf of the Fund, and (ii) have
been prepared, maintained and/or performed by the Fund or any other person or
firm on behalf of the Fund; provided such actions are taken in good faith and
without negligence or willful misconduct;

(d) the reliance on, or the carrying out by the Transfer Agent or
its agents or subcontractors of any instructions or requests of the Fund on
behalf of the applicable Portfolio; provided such actions are taken in good
faith and without negligence or willful misconduct; or

(e) the offer or sale of Shares in violation of any requirement
under the federal securities laws or regulations or the securities laws or
regulations of any state that such Shares be registered in such state or in
violation of any stop order or other determination or ruling by any federal
agency or any state with respect to the offer or sale of such Shares in such
state.

5.02 The Transfer Agent shall indemnify and hold the Fund harmless
from and against any and all losses, damages, costs, charges, counsel fees,
payments, expenses and liability arising out of or attributable to any action
or failure or omission to act by the Transfer Agent as result of the Transfer
Agent's lack of good faith, negligence or willful misconduct.

5.03 At any time the Transfer Agent may apply to any officer of the
Fund for instructions, and may consult with legal counsel with respect to any
matter arising in connection with the services to be performed by the Transfer
Agent under this Agreement, and the Transfer Agent and its agents or
subcontractors shall not be liable to and shall be indemnified by the Fund on
behalf of the applicable Portfolio for any action taken or omitted by it in
reliance upon such instructions or upon the opinion of such counsel. The
Transfer Agent shall be protected and indemnified in acting upon any paper or
document furnished by or on behalf of the Fund, reasonably believed to be
genuine and to have been signed by the proper person or persons, or upon any
instruction, information, data, records or documents provided to the Transfer
Agent or its agents or subcontractors by machine readable input, telex, CRT data
entry or other similar means authorized by the Fund, and shall not be held to
have notice of any change of authority of any person, until receipt of written
notice thereof from the Fund.

5.04 In the event either party is unable to perform its obligations
under the terms of this Agreement because of acts of God, strikes, equipment or
transmission failure or damage reasonably beyond its control, or other causes
reasonably beyond its control, such party shall not be liable for damages to
the other for any damages resulting from such failure to perform or otherwise
from such causes.

5.05 Neither party to this Agreement shall be liable to the other
party for consequential damages under any provision of this Agreement or for
any consequential damages arising out of any act or failure to act hereunder.

5.06 In order that the indemnification provisions contained in this
Article 5 shall apply, upon the assertion of a claim for which either party may
be required to indemnify the other, the party seeking indemnification shall
promptly notify the other party of such assertion, and shall keep the other
party advised with respect to all developments concerning such claim. The
party who may be required to indemnify shall have the option to participate
with the party seeking indemnification in the defense of such claim. The party
seeking indemnification shall in no case confess any claim or make any
compromise in any case in which the other party may be required to indemnify it
except with the other party's prior written consent.

ARTICLE 6
COVENANTS OF THE FUND AND THE TRANSFER AGENT

6.01 The Fund shall, upon request, on behalf of each of the
Portfolios promptly furnish to the Transfer Agent the following:

(a) a certified copy of the resolution of the Board of Trustees of
the Fund authorizing the appointment of the Transfer Agent and the execution
and delivery of this Agreement; and

(b) a copy of the Agreement and Declaration of Trust and By-Laws
of the Fund and all amendments thereto.

6.02 The Transfer Agent shall keep records relating to the services
to be performed hereunder, in the form and manner as it may deem advisable. To
the extent required by Section 31 of the Investment Company Act of 1940, as
amended, and the Rules thereunder, the Transfer Agent agrees that all such
records prepared or maintained by the Transfer Agent relating to the services
to be performed by the Transfer Agent hereunder are the property of the Fund
and will be preserved, maintained and made available in accordance with such
Section and Rules, and will be surrendered promptly to the Fund on and in
accordance with its request.

6.03 The Transfer Agent and the Fund agree that all books, records,
information and data pertaining to the business of the other party which are
exchanged or received pursuant to the negotiation or the carrying out of this
Agreement shall remain confidential, and shall not be voluntarily disclosed to
any other person, except as may be required by law.

6.04 In case of any requests or demands for the inspection of the
Shareholder records of the Fund, the Transfer Agent will endeavor to notify the
Fund and to secure instructions from an authorized officer of the Fund as to
such inspection. The Transfer Agent reserves the right, however, to exhibit
the Shareholder records to any person whenever it is advised by its counsel
that it may be held liable for the failure to exhibit the Shareholder records
to such person.

ARTICLE 7
TERMINATION OF AGREEMENT

7.01 This Agreement may be terminated by either party upon sixty
(60) days written notice to the other.

7.02 Should the Fund exercise its right to terminate this
Agreement, all out-of-pocket expenses associated with the movement of records
and material will be borne by the Fund on behalf of the applicable
Portfolio(s). Additionally, the Transfer Agent reserves the right to charge
for any other reasonable expenses associated with such termination and/or a
charge equivalent to the average of three (3) months' fees.

ARTICLE 8
ADDITIONAL FUNDS

8.01 In the event that the Fund establishes one or more series of
Shares in addition to the Portfolios with respect to which it desires to have
the Transfer Agent render services as transfer agent under the terms hereof, it
shall so notify the Transfer Agent in writing, and if the Transfer Agent agrees
in writing to provide such services, such series of Shares shall become a
Portfolio hereunder.

ARTICLE 9
ASSIGNMENT

9.01 Except as provided in Section 9.03 below, neither this
Agreement nor any rights or obligations hereunder may be assigned by either
party without the written consent of the other party.

9.02 This Agreement shall inure to the benefit of and be binding
upon the parties and their respective permitted successors and assigns.

9.03 The Transfer Agent may, without further consent on the part of
the Fund, subcontract for the performance hereof with any entity which is duly
registered as a transfer agent pursuant to Section 17A(c)(1) of the Securities
Exchange Act of 1934 as amended ("Section 17A(c)(1)"); provided, however, that
the Transfer Agent shall be as fully responsible to the Fund for the acts and
omissions of any subcontractor as it is for its own acts and omissions.

ARTICLE 10
AMENDMENT

10.01 This Agreement may be amended or modified by a written
agreement executed by both parties and authorized or approved by a resolution
of the Board of Trustees of the Fund.

ARTICLE 11
TEXAS LAW TO APPLY

11.01 This Agreement shall be construed and the provisions thereof
interpreted under and in accordance with the laws of the State of Texas.

ARTICLE 12
MERGER OF AGREEMENT

12.01 This Agreement constitutes the entire agreement between the
parties hereto and supersedes any prior agreement with respect to the subject
matter hereof whether oral or written.

ARTICLE 13
COUNTERPARTS

13.01 This Agreement may be executed by the parties hereto on any
number of counterparts, and all of said counterparts taken together shall be
deemed to constitute one and the same instrument.

ARTICLE 14
NO PERSONAL LIABILITY

14.01 Notice is hereby given that this Agreement is executed on
behalf of the Fund, by officers of the Fund as officers and not individually
and that the obligations of or arising out of this Agreement are not binding
upon any of the trustees, officers, shareholders, employees or agents of the
Fund individually but are binding only upon the assets and property of the
Fund.

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IN WITNESS WHEREOF, the parties hereto have caused this Agreement to
be executed in their names and on their behalf by and through their duly
authorized officers, as of the day and year first above written.

A I M INVESTMENT SECURITIES FUNDS

By: /s/ XXXXXX X. XXXXXX
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President
ATTEST:
/s/ XXXXXXX X. XXXXX
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Assistant Secretary

A I M INSTITUTIONAL FUND SERVICES, INC.

By: /s/ X. XXXXXX XXXXXXX
------------------------------
President
ATTEST:
/s/ XXXXXXX X. XXXXX
------------------------------
Assistant Secretary

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