| Id | Content |
|---|---|
| F1 | Restricted stock unit award vesting 12.5% of the shares on May 20, 2023 and 6.25% quarterly thereafter. |
| F2 | Each performance-based restricted stock unit represents a contingent right to receive one share of common stock. The PRSUs vest upon achievement of certain levels of relative total stockholder return over a performance period by SiTime. |
| F3 | Includes an aggregate of 406,587 shares of common stock issuable pursuant to previously reported restricted stock units and performance-based restricted stock units and that have not vested. |
| F4 | The reportable securities are owned directly by Aldebran Constellation LLC, of which the Reporting Person is one of the managers and has voting and investment power over the shares. |