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Director since 2003. Since May 2006, Mr. Ratigan has served as Vice President and Chief Financial Officer of Nitric BioTherapeutics, Inc., a privately held specialty pharmaceutical, drug delivery systems and biotechnology company. From August 2003 to April 2006, Mr. Ratigan was an independent consultant providing consultative services to two specialty pharmaceutical companies, a biotechnology company and a private equity firm. From June 1997 to August 2003, Mr. Ratigan was Executive Vice President, Chief Financial Officer and Secretary of Orapharma, Inc., a specialty pharmaceutical company that was acquired by Johnson and Johnson, Inc. Mr. Ratigan was a director of the Company from 1989 to 1996 and served as the Company�s Chief Operating Officer from May 1994 to April 1996 and Chief Financial Officer from December 1993 to June 1996. | 