EXHIBIT A AGREEMENT RELATING TO JOINT FILING OF SCHEDULE 13G The undersigned hereby agree that, without admitting beneficial ownership, a singe Schedule 13G (or any amendment thereto) relating to the Common Stock of i2 Technologies, Inc. shall be...

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                                    EXHIBIT A

               AGREEMENT RELATING TO JOINT FILING OF SCHEDULE 13G

         The undersigned hereby agree that, without admitting beneficial
ownership, a singe Schedule 13G (or any amendment thereto) relating to the
Common Stock of i2 Technologies, Inc. shall be filed on behalf of each of the
undersigned and that this Agreement shall be filed as an exhibit to such
Schedule 13G.



Date: February ____, 2001        /s/ Xxxxxx X. Xxxxx
                                 -------------------
                                 Xxxxxx X. Xxxxx

                                          Name/Title



                                 XXXXX-XXXXX FAMILY INVESTMENTS, LTD.

                                 By: /s/ Xxxxxx X. Xxxxx
                                     -------------------
                                     Xxxxxx X. Xxxxx, Managing General Partner




                                 XXXXX-XXXXX FAMILY FOUNDATION

                                 By: /s/ Xxxxxx X. Xxxxx
                                     -------------------
                                     Xxxxxx X. Xxxxx, Director