Exhibit 10.17.1

                       FIRST AMENDMENT OF TRUST AGREEMENT


         THIS FIRST AMENDMENT executed this 31st of December, 1998, by DST
Systems, Inc. as Settlor.

         WITNESSETH:

         WHEREAS, DST Systems, Inc. as Settlor, and United Missouri Bank of
Kansas City, N.A., as Trustee, executed a Trust Agreement, TUA DST--Horan
Agreement, on June 30, 1989;

         WHEREAS, United Missouri Bank of Kansas City, N. A. has changed its
name to UMB Bank, N.A.;

         WHEREAS, under Section 12(a) of said Trust Agreement, Settlor and James
P. Horan ("Employee"), acting together, reserved the right at any time to amend
or revoke the same, in whole or in part, which right Settlor and Employee now
desires to exercise;

         NOW, THEREFORE, pursuant to the right reserved to Settlor and Employee
under Section 12(a), Settlor and Employee hereby amend said Trust Agreement as
follows, such amendment to be effective on the date hereof:

         1. Section 1(e) shall be deleted in its entirety and a new Section 1(e)
added to read as follows:

          (e)  "Change in Control" shall be deemed to have occurred if (i) for
               any reason at any time less than seventy-five percent (75%) of
               the members of the Board of Directors of the Company shall be
               individuals who fall into any of the following categories: (A)
               individuals who were members of such Board on September 1, 1995;
               (B) individuals whose election, or nomination for election by the
               Company's stockholders, was approved by a vote of at least
               seventy-five percent (75%) of the members of the Board then still
               in office who were members of the Board on September 1, 1995; or
               (C) individuals whose election, or nomination for election by the
               Company's stockholders, was approved by a vote of at least
               seventy-five percent (75%) of the members of the Board then still
               in office who were elected in the manner described in (A) or (B)
               above, or (ii) any "person" (as 



               such term is used in Sections 13(d) and 14(d)(2) of the
               Securities Exchange Act of 1934 (the "Exchange Act")) shall have
               become, according to a public announcement or filing without the
               prior approval of the Board, the "beneficial owner" (as defined
               in Rule 13d-3) under the Exchange Act), directly or indirectly,
               of securities of the Company representing thirty percent (30%) or
               more (calculated in accordance with Rule 13d-3) of the combined
               voting power of the Company's then outstanding voting securities
               (such "person" hereinafter referred to as a "major Stockholder");
               or (iii) the stockholders of the Company shall have approved a
               merger, consolidation or dissolution of the Company or a sale,
               lease, exchange or disposition of all or substantially all of the
               Company's assets, or a Major Stockholder shall have proposed any
               such transaction, unless any such merger, consolidation,
               dissolution, sale, lease, exchange or disposition shall have been
               approved by at least seventy-five percent (75%) of the members of
               the Board of Directors of the Company who are individuals falling
               into any combination of the following categories: (A) individuals
               who were members of such Board of Directors on September 1, 1995;
               (B) individuals whose election or nomination for election by the
               Company's stockholders was approved by at least seventy-five
               percent (75%) of the members of the Board of Directors of the
               Company then still in office who were members of the Board on
               September 1, 1995, or (C) individuals whose election, or
               nomination for election by the Company's stockholders was
               approved by a vote of at least seventy-five percent (75%) of the
               members of the Board then still in office who were elected in the
               manner described in (A) or (B) above. Company shall promptly
               inform Trustee of a Change in Control;

         2. Section 1(f) shall be deleted in its entirety and a new Section 1(f)
added to read as follows:

                  (f) "Control Change Date" shall be the date on which a Change
                  in Control occurs;

         3. The first sentence of Section 7 shall be deleted in its entirety and
a new first sentence added to Section 7 to read as follows:

                  Prior to a Control Change Date, Trustee shall invest the trust
                  estate as Company prescribes, other than in securities or
                  obligations issued by Company.

         IN WITNESS WHEREOF, the Settlor, DST Systems, Inc. and the Employee,
James P. Horan, have hereunto caused this First Amendment of Trust Agreement to
be executed the day and year first above written.






                                              DST SYSTEMS, INC.


                                              By:  /s/Thomas A. McDonnell
                                                 ------------------------------



                                                 EMPLOYEE



                                                  /s/ James P. Horan
                                                  -----------------------------
                                                  James P. Horan


                          ACKNOWLEDGEMENT OF AMENDMENT


         UMB Bank, N.A., does hereby acknowledge that it is the duly qualified
and acting Trustee under the aforesaid Trust Agreement, that it has received the
foregoing executed by DST Systems, Inc. and James P. Horan, and that it does
hereby acknowledge amendment of said Trust Agreement.

         IN WITNESS WHEREOF, the Trustee, UMB Bank, N. A., has caused these
presents to be executed as of the day and year first above written.


                                               UMB BANK, N.A.



                                               By: /s/ Mark P. Herman
                                                  -----------------------------






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