Common use of Tranche 1 Clause in Contracts

Tranche 1. The Tranche 1 Shares will vest as follows: 20% on and after December 1, 2007; 20% on and after December 1, 2008; 20% on and after December 1, 2009; 20% on and after December 1, 2010; and 20% on and after December 1, 2011. Notwithstanding the above, 100% of a Grantee’s outstanding and unvested Tranche 1 Shares shall vest immediately upon (i) a Change of Control or (ii) an Initial Public Offering.

Tranche 1. The Tranche 1 Shares will vest as follows: 20% on and after December 130, 20072010; 20% on and after December 130, 20082011; 20% on and after December 130, 20092012; 20% on and after December 130, 20102013; and 20% on and after December 130, 20112014. Notwithstanding the above, 100% of a Grantee’s outstanding and unvested Tranche 1 Shares shall vest immediately upon (i) a Change of Control or (ii) an Initial Public OfferingControl.