UNIVERSITY of HOUSTON OFFICE of INTELLECTUAL PROPERTY M ANAGEMENT Equity Interest and Business Participation Report Fiscal Year 2001 Employee's Name Company Name Business Participation Paul Chu Biomagnetic Imaging, LLC Dr. Chu XiaoLian Gao Xeotron Dr. Gao is the Interim Chief Scientific Officer, as well as the Chairman of the Scientific Advisory Board. Dr. Gao holds an equity position in the company. Alex Ignatiev Metal Oxide Technologies, Inc. Dr. Ignatiev holds an equity interest in the company. Susan Hardin Visigen Biotechnologies, Inc. Dr. Hardin is the President and CEO of Visigen and she holds an equity interest in the company. Dr. Hardin is also Chairman of the Board. James Briggs Visigen Biotechnologies, Inc. Dr. Briggs is one of the founders of Visigen. He serves as Vice President, Chief Financial Officer, and Secretary and holds an equity interest in the company. David Tu Visigen Biotechnologies, Inc. Dr. Tu is one of the founders of Visigen and holds equity interest in the company. 1 UNIVERSITY of HOUSTON OFFICE of INTELLECTUAL PROPERTY MANAGEMENT Equity Interest and Business Participation Report Fiscal Year 2001 Employee's Name Company Name Business Participation XiaoLian Gao Visigen Biotechnologies, Inc. Dr. Gao is one of the founders of Visigen and holds equity interest in the company. Richard Willson Visigen Biotechnologies, Inc. Dr. Willson is one of the founders of Visigen. He serves as Chief Technology Officer and holds an equity interest in the company. Shin-Shem Steven Pei Applied Optoelectronics, Inc. Dr. Pei is a member of the Scientific Advisory Board and holds equity interest in the company. 2