| (a) | Amount beneficially owned:
D. E. Shaw & Co., L.P.: 281,817 shares
This is composed of (i) 207,200 shares in the name D. E. Shaw Galvanic Portfolios, L.L.C., (ii) 38,841 shares in the name D. E. Shaw Cogence Portfolios, L.L.C., (iii) 12,392 shares in the name of D. E. Shaw Composite Portfolios, L.L.C., and (iv) 23,384 shares under the management of D. E. Shaw Investment Management, L.L.C.
David E. Shaw: 281,817 shares
This is composed of (i) 207,200 shares in the name D. E. Shaw Galvanic Portfolios, L.L.C., (ii) 38,841 shares in the name D. E. Shaw Cogence Portfolios, L.L.C., (iii) 12,392 shares in the name of D. E. Shaw Composite Portfolios, L.L.C., and (iv) 23,384 shares under the management of D. E. Shaw Investment Management, L.L.C.
David E. Shaw does not own any shares directly. By virtue of David E. Shaw's position as President and sole shareholder of D. E. Shaw & Co., Inc., which is the general partner of D. E. Shaw & Co., L.P., which in turn is the investment adviser of D. E. Shaw Cogence Portfolios, L.L.C., and D. E. Shaw Composite Portfolios, L.L.C. and the managing member of D. E. Shaw Investment Management, L.L.C. and D. E. Shaw Adviser II, L.L.C., which in turn is the investment adviser of D. E. Shaw Galvanic Portfolios, L.L.C., and by virtue of David E. Shaw's position as President and sole shareholder of D. E. Shaw & Co. II, Inc., which is the managing member of D. E. Shaw & Co., L.L.C., which in turn is the manager of D. E. Shaw Cogence Portfolios, L.L.C., and D. E. Shaw Composite Portfolios, L.L.C. and the managing member of D. E. Shaw Manager II, L.L.C., which in turn is the manager of D. E. Shaw Galvanic Portfolios, L.L.C., David E. Shaw may be deemed to have the shared power to vote or direct the vote of 281,017 shares and the shared power to dispose or direct the disposition of 281,817 shares, the 281,817 shares as described above constituting 5.0% of the outstanding shares, and, therefore, David E. Shaw may be deemed to be the beneficial owner of such shares. David E. Shaw disclaims beneficial ownership of such 281,817 shares. |