Flotek Industries Inc.

Barry Stewart joined LHC Group in June of 2006. He has extensive experience in the healthcare industry, serving most recently as the CFO of Rotech Healthcare, a provider of home respiratory care and durable medical equipment and services to patients with breathing disorders. Prior to that, he was CFO at Evolved Digital Systems, a healthcare technology solutions company, and Vice President of Finance and Treasurer at Community Health Systems, an operator of general acute care hospitals in non-urban communities throughout the country. Mr. Stewart earned a Bachelor's Degree in Business Administration at Northeast Louisiana University and holds an MBA from the University of Houston. Additionally, he is a licensed CPA, as well as a Permanent Member of the Treasury Management Association. He is also a member of the American Institute of Certified Public Accountants, the Tennessee Society of Certified Public Accountants, and the Texas Society of Certified Public Accountants.

William R. Ziegler is of counsel to Satterlee Stephens Burke & Burke LLP. He has practiced corporate, banking and securities law since 1968. Mr. Ziegler holds directorships in several corporations, including Sarvis Incorporated, Grey Wolf, Inc., Equinox Capital, Geokinetics Inc., Flotek, Inc. Somerset Energy Co., Vesta Corp. and La Crosse Milling Company. He specializes in financial, transactional and regulatory matters, including mergers, acquisitions and dispositions, commercial and industrial financing transactions, workouts and debt restructurings, and securities offerings. During his career, he has served as a principal outside counsel to Fleet Bank (New York Region), Mutual Benefit Life (Capital Markets Group), Empire Insurance Group, Macmillan, Inc., The United Corporation, Canadian International Power Company Ltd. and the Grumman Corporation Employee Investment Plan, which held the controlling block of that company's stock. Mr. Ziegler has served as regular counsel to property casualty and life insurance companies and has participated in the demutualization of a New York State insurer. He also represents public and private energy companies and energy service companies as their general counsel and in a variety of transactional and securities matters. He serves as Chairman of Vesta Corp. and Geokinetics and Vice Chairman of Grey Wolf, Inc. In the course of his practice, Mr. Ziegler has had in-depth experience with mergers and acquisitions of public and private corporations. He has advised corporate fiduciaries which were subject to hostile takeovers and in a variety of other circumstances, including proxy contests, insolvencies and corporate reorganizations. He has represented first-time issuers of publicly traded debt and equity securities and corporations which have issued such securities to finance capital expansion and in connection with acquisitions and reorganizations. Mr. Ziegler is admitted to practice in New York and before the United States Court of Appeals, Second Circuit.