Exhibit 99.6 Consent of Person Named as About to Become a Director I hereby consent to my being named in the Amendment No. 1 to the Registration Statement on Form S-4 of Hyseq, Inc. (the "Company") as a person who will become a director of the Company upon consummation of the transactions contemplated therein. December 12, 2002 /s/ Philippe O. Chambon Consent of Person Named as About to Become a Director I hereby consent to my being named in the Amendment No. 1 to the Registration Statement on Form S-4 of Hyseq, Inc. (the "Company") as a person who will become a director of the Company upon consummation of the transactions contemplated therein. December 12, 2002 /s/ Jean-Francois Formela Consent of Person Named as About to Become a Director I hereby consent to my being named in the Amendment No. 1 to the Registration Statement on Form S-4 of Hyseq, Inc. (the "Company") as a person who will become a director of the Company upon consummation of the transactions contemplated therein. December 12, 2002 /s/ Martin A. Vogelbaum