BOARD OF DIRECTORS
    Edward T. Maggio, Ph.D., Chairman, President and CEO, Structural Bioinformatics Inc.

    Frank Kung, Ph.D., General Partner, Biotechnology Development Fund

    Mahendra Shah, Ph.D., Vice President, E. J. Financial

    Dennis J. Purcell, Senior Managing Partner, Perseus Soros BioPharmaceutical Fund, LP

    David B. McWilliams, President and CEO, Texas Biotechnology Corp.

    Patrick J. McDonald, Formerly Executive Director of Licensing, Merck & Co.

    James A. Myer, Ph.D., Chairman, Photon Research Associates, Inc.

    Arne J. Gillin, Vice President, Dansk Kapitalanlaeg Aktieselskab

    Alfred G. Ferris, Esq., Ferris & Britton