X0306 4 2022-02-06 0 0001451809 SITIME Corp SITM 0001790756 Sevalia Piyush B C/O SITIME CORPORATION 5451 PATRICK HENRY DRIVE SANTA CLARA CA 95054 0 1 0 0 EVP Marketing Common Stock 2022-02-06 4 A 0 565 0 A 95354 D Common Stock 2022-02-06 4 A 0 28732 0 A 124086 D Restricted stock unit award under the Executive Bonus and Retention Plan vesting as to 50% of the shares on February 20, 2022 and the remaining 50% of the shares on August 20, 2022. Each performance-based restricted stock unit represents a contingent right to receive one share of common stock. The performance rights vest upon SiTime's common stock achieving specified prices per share. Includes an aggregate of 123,019 shares of common stock issuable pursuant to the performance-based restricted stock units and previously reported restricted stock units that have not vested. Samsheer Ahamad, Attorney-in-fact 2022-02-08