| Id | Content |
|---|---|
| F1 | Represents restricted stock units which vest on the earlier of the one-year anniversary of the grant date and the date of the next regularly scheduled annual meeting of stockholders of the issuer, subject to continued service through the vesting date; provided, however, that the restricted stock units vest pro rata based on the number of days of service provided to the issuer in the event of a voluntary resignation other than when grounds for termination for cause exist. |