EDWARD L. KUNTZ (62) has served as the Executive Chairman of the Board of Directors since January 1, 2004. He served as the Company's Chairman of the Board and Chief Executive Officer from January 1999 to December 31, 2003. He served as President of the Company from November 1998 until January 2002. He also served as Chief Operating Officer and a director of the Company from November 1998 to January 1999. Mr. Kuntz is a director of Rotech Healthcare, Inc., a provider of home medical equipment and related products and services, and PharMerica Corporation ("PharMerica"), an institutional pharmacy services provider. Mr. Kuntz has notified PharMerica that he will resign from its board of directors effective at its 2008 annual meeting of shareholders.