SECURITIES
AUTHORIZED FOR ISSUANCE UNDER EQUITY COMPENSATION PLANS The
following table contains information regarding the Company’s equity compensation
plans as of December 31, 2005 (in thousands): 
(1)
Consists of 4,288,022 shares subject to the options granted under the Company’s
Stock Incentive Plan.
(2) Consists of 434,855 shares available to be issued
under the Company’s Employee Stock Purchase Plans and 500 shares available to
be issued under the Company’s Stock Incentive Plan.
(3) See Note 10 to the
Company’s consolidated financial statements set forth in Item 8 of this report
for additional information regarding these plans.
(4) Consist of warrants
issued in the acquisition of MedSource in 2004 – see Note 2 to the Company’s consolidated
financial statements set forth in Item 8 of this report for additional information
regarding this acquisition. | 
