from SC 13D
1 page
<page> Schedule 13d Joint Filing Agreement the Undersigned and Each Other Person Executing This Joint Filing Agreement (This "Agreement") Agree That Each of the Undersigned Is Responsible for the Timely Filing of This Statement and Any Amendments Thereto, and for the Completeness and Accuracy of the Information Concerning Such Person Contained Herein or Therein; but None of the Undersigned Is Responsible for the Completeness or Accuracy of the Information Concerning Any Other Persons Making the Filing, Unless Such Person Knows or Has Reason to Believe That Such Information Is Inaccurate. in Witness Whereof, the Undersigned Have Either Signed This Agreement or Caused This Agreement to Be Signed by Their Respective Officers Thereunto Duly Authorized as of the Date Set Forth Below. Date: April 12, 2002 /S/ Warren B. Kanders Warren B. Kanders /S/ Burtt R. Ehrlich Burtt R. Ehrlich /S/ Nicholas Sokolow Nicholas Sokolow, Individually and on Behalf of S.T. Investors Fund, LLC
