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Mr. Stoever has been a member of our board since May 2007 and has served as chairman of our audit committee since May 2007. He was an audit partner with KPMG LLP from 1969 until his retirement in 1993. During his 32-year tenure with KPMG, he served domestic and multinational clients engaged in the manufacturing, refining, oil and gas, distribution, real estate and banking industries, as well as serving as SEC Reviewing Partner responsible for advising and reviewing client filings with the SEC. Mr. Stoever currently serves as chairman of the audit committee of the board of directors of Propex, Inc. and Evolution Petroleum Corp. (AMEX: EPM) and previously served on the boards, and as chairman of the audit committee, of Purina Mills, Sterling Diagnostic Imaging and Exopack, LLC. Mr. Stoever is a Certified Public Accountant in Texas and a member of the Texas Society of Public Accountants. | 