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Samuel C. Powell, Ph.D., served as Chairman of the Board of Directors from November 1987 to June 1994, and has served as a director of the Company since September 1986. Dr. Powell served as Chairman of the Board and Chief Executive Officer of Granite Technological Enterprises, from January 1984 until its acquisition by the Company in June 1986. Since 1987, he has been President of Powell Enterprises, Burlington, North Carolina, offering financial and management services to a group of business and real estate ventures. Dr. Powell serves as a director of Carolina Biological Supply Company, an unrelated private corporation. Dr. Powell served on the North Carolina Board of Science and Technology from 1989 to 1995, and also served as a board member and Chairman of the North Carolina State Alcoholism Research Authority. | 