Explanation of Responses:
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Shares owned directly by Parche, LLC (Parche). As the managing member of Parche, RCG Starboard Advisors, LLC (RCG Starboard Advisors) may be deemed to beneficially own the Shares owned by Parche. As the sole member of RCG Starboard Advisors, Ramius Capital Group, L.L.C. (Ramius) may be deemed to beneficially own the Shares owned by Parche. As the managing member of Ramius, C4S & Co., L.L.C. (C4S) may be deemed to beneficially own the Shares owned by Parche. As the managing members of C4S, each of Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon and Thomas W. Strauss may be deemed to beneficially own the Shares owned by Parche. Each of Messrs. Cohen, Stark, Solomon and Strauss, RCG Starboard Advisors, Ramius and C4S disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.
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Shares owned directly by Starboard Value and Opportunity Master Fund, Ltd. (Starboard). As the investment manager of Starboard, RCG Starboard Advisors may be deemed to beneficially own the Shares owned by Starboard. As the sole member of RCG Starboard Advisors, Ramius may be deemed to beneficially own the Shares owned by Starboard. As the managing member of Ramius, C4S may be deemed to beneficially own the Shares owned by Starboard. As the managing members of C4S, each of Peter A. Cohen, Morgan B. Stark, Jeffrey M. Solomon and Thomas W. Strauss may be deemed to beneficially own the Shares owned by Starboard. Each of Messrs. Cohen, Stark, Solomon and Strauss, RCG Starboard Advisors, Ramius and C4S disclaims beneficial ownership of such shares except to the extent of their pecuniary interest therein.
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Shares collectively owned by Knightspoint Partners II, L.P., Michael Koeneke, David Meyer, Knightspoint Partners LLC, Black Sheep Partners, LLC, Black Sheep Partners II, LLC and Brian Black. The 276,782 Shares include (a) 200 Shares beneficially owned by Knightspoint Partners II, L.P., (b) 20,736 Shares beneficially owned by Mr. Koeneke, including 2,562 options exercisable within 60 days of the date hereto, (c) 151,141 Shares beneficially owned by Mr. Meyer, including 7,308 options exercisable within 60 days of the date hereto and 100,000 options granted to Mr. Meyer on September 13, 2007, 1/4 of which options vest on December 13, 2007, March 13, 2008, June 13, 2008 and September 13, 2008, respectively, (d) 63,940 Shares beneficially owned by Black Sheep Partners, LLC and (e) 39,738 Shares beneficially owned by Black Sheep Partners II, LLC.
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(continued from previous footnote) The Reporting Persons may be deemed members of a Section 13(d) group with the individuals and entities listed above (the "Knightspoint Group"). As a result, the Reporting Persons may be deemed to beneficially own the 276,782 Shares owned by the other members of the Knightspoint Group. Each of the Reporting Persons disclaims beneficial ownership of the 276,782 Shares owned by the other members of the Knightspoint Group except to the extent of his or its pecuniary interest therein. This report shall not be deemed to be an admission that any Reporting Person is the beneficial owner of Shares owned by the other members of the Knightspoint Group for purposes of Section 16 or for any other purpose.
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