Common use of Exercise Period and Vesting Clause in Contracts

Exercise Period and Vesting. The exercise period is the period beginning on the date of this Warrant (the “Issuance Date”) and ending at 5:00 p.m., Pacific Standard Time, seven years from the Issuance Date (the “Exercise Period”). This Warrant is vested in full as of the Issuance Date and is immediately exercisable by Holder. This Warrant will terminate automatically and immediately upon the expiration of the Exercise Period. The Issuance Date is April 17, 2008.

Exercise Period and Vesting. The exercise period is the period beginning on the date of this Warrant (the “Issuance Date”) and ending at 5:00 p.m., Pacific Standard TimeNew York time, seven years from the Issuance Date on July 8, 2021 (the “Exercise Period”). This Warrant is vested in full as of the Issuance Date and is immediately exercisable by Holder. This Warrant will terminate automatically and immediately upon the expiration of the Exercise Period. The Issuance Date is April 17, 2008.

Exercise Period and Vesting. The exercise period is the period beginning on the date of this Warrant (the “"Issuance Date”") and ending at 5:00 p.m., Pacific Standard TimeNew York time, seven on May 1, 2011 [five years from the Issuance Date Date] (the “"Exercise Period”"). This Warrant is vested in full as of the Issuance Date and is immediately exercisable by Holder. This Warrant will terminate automatically and immediately upon the expiration of the Exercise Period. The Issuance Date is April 17, 2008.

Exercise Period and Vesting. The exercise period is the period beginning on the date of this Warrant (the “"Issuance Date”") and ending at 5:00 p.m., Pacific Standard TimeNew York time, seven on November 23, 2007 (three years from the Issuance Date Date) (the “"Exercise Period”"). This Warrant is vested in full as of the Issuance Date and is immediately exercisable by Holder. This Warrant will terminate automatically and immediately upon the expiration xxx xxpiration of the Exercise Period. The Issuance Date is April 17, 2008.

Exercise Period and Vesting. The exercise period is the period beginning on the date of this Warrant (the “"Issuance Date”") and ending at 5:00 p.m., Pacific Standard TimeNew York time, seven on November 23, 2007 (three years from the Issuance Date Date) (the “"Exercise Period”"). This Warrant is vested in full as of the Issuance Date and is immediately exercisable by Holder. This Warrant will terminate automatically and immediately upon the expiration txx xxxiration of the Exercise Period. The Issuance Date is April 17, 2008.