EXHIBIT 99(d) JOINT FILING AGREEMENT The undersigned agree that this Schedule 13D, dated June 25, 2003, relating to the Common Stock of Taser International, Inc. shall be filed on behalf of the undersigned. Dated: June 25, 2003 Grand Slam Capital...

                                                                   EXHIBIT 99(d)



                             JOINT FILING AGREEMENT


         The  undersigned  agree that this  Schedule  13D,  dated June 25, 2003,
relating  to the Common  Stock of Taser  International,  Inc.  shall be filed on
behalf of the undersigned.


Dated:  June 25, 2003                      Grand Slam Capital Partners, LP




                                               By: /s/ Xxxxxxxx Xxxxx
                                                   -----------------------------
                                               Name:  Xxxxxxxx Xxxxx
                                               Title: Managing Partner


Dated:  June 25, 2003                      Grand Slam General Partners, LLC




                                               By: /s/ Xxxxxxxx Xxxxx
                                                   -----------------------------
                                               Name:  Xxxxxxxx Xxxxx
                                               Title: Principal








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