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                                                             EXHIBIT 99(d)(i)(K)

                      SUPPLEMENTAL TERMS AND CONDITIONS TO
                        THE MANAGEMENT AGREEMENT BETWEEN
                          THE AMERICAN AADVANTAGE FUNDS
                                       AND
                          AMR INVESTMENT SERVICES, INC.

         The attached amended Schedule A is hereby incorporated into the
Management Agreement dated April 3, 1987, as supplemented on August 1, 1994,
November 1, 1995, December 17, 1996, July 25, 1997, September 1, 1998, January
1, 1999 and May 19, 2000 (the "Agreement") between the American AAdvantage Funds
and AMR Investment Services, Inc. To the extent that there is any conflict
between the terms of the Agreement and these Supplemental Terms and Conditions
("Supplement"), this Supplement shall govern.

Dated: November 16, 2000

                                          American AAdvantage Funds

                                          By:
                                             -------------------------------
                                             Barry Y. Greenberg
                                             Vice President and Assistant
                                                Secretary

                                          AMR Investment Services, Inc.

                                          By:
                                             -------------------------------
                                             William F. Quinn
                                             President



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                                     AMENDED
                                   SCHEDULE A
                                     TO THE
                              MANAGEMENT AGREEMENT
                                     BETWEEN
                          AMR INVESTMENT SERVICES, INC.
                                     AND THE
                            AMERICAN AADVANTAGE FUNDS


I. BASE FEE

         As compensation pursuant to section 6 of the Management Agreement
between AMR Investment Services, Inc. (the "Manager") and the American
AAdvantage Funds (the "AAdvantage Trust"), the AAdvantage Trust shall pay to the
Manager a fee, computed daily and paid monthly, at the following annual rates as
percentages of each Fund's average daily net assets:

         (1) 0.10% of the net assets of the Balanced Fund, the Large Cap Value
         Fund, the International Equity Fund, the Small Cap Value Fund, the S&P
         500 Index Fund, the Large Cap Growth Fund, the Emerging Markets Fund,
         the Small Cap Index Fund, the International Equity Index Fund, and the
         High Yield Bond Fund plus all fees payable by the Manager with respect
         to such Funds pursuant to any Investment Advisory Agreement entered
         into pursuant to Paragraph 2(d) of said Management Agreement;

         (2) 0.10% of the net assets of the Money Market Fund, the Municipal
         Money Market Fund and the U.S. Government Money Market Fund; and

         (3) 0.25% of the net assets of the Intermediate Bond Fund and the
         Short-Term Bond Fund.

         To the extent that a Fund invests all of its investable assets (i.e.,
securities and cash) in another registered investment company, however, the
AAdvantage Trust will not pay the Manager any fee pursuant to Section 6 of the
Agreement.

         II. SECURITIES LENDING DUTIES AND FEES

         A. Manager Duties

         The Manager agrees to provide the following services in connection with
the investment of cash collateral received from the securities lending
activities of each Fund of the AAdvantage Trust: (a) assist the securities
lending agent (the "Agent") in determining which specific securities are
available for loan, (b) monitor the Agent to ensure that


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securities loans are effected in accordance with its instructions and within the
procedures adopted by the Board of Trustees of the AAdvantage Trust, (c) prepare
appropriate periodic reports for, and seek appropriate approvals from, the Board
of Trustees of the AAdvantage Trust with respect to securities lending
activities, (d) respond to Agent inquiries concerning Agent's compliance with
applicable guidelines, and (e) perform such other duties as necessary.

         B. Securities Lending Fees

         As compensation for services provided by the Manager in connection with
securities lending activities of each Fund of the AAdvantage Trust, the lending
Fund shall pay to the Manager, with respect to cash collateral posted by
borrowers, a fee up to 25% of the net monthly interest income (the gross
interest income earned by the investment of cash collateral, less the amount
paid to borrowers as well as related expenses) from such activities and, with
respect to loan fees paid by borrowers when a borrower posts collateral other
than cash, a fee up to 25% of such loan fees.

         To the extent that a Fund invests all of its investable assets (i.e.,
securities and cash) in another registered investment company, however, the
AAdvantage Trust will not pay the Manager any fee for services provided by the
Manager in connection with securities lending activities.

DATED: November 16, 2000