X0306 4/A 2020-08-26 2020-08-27 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 2020-08-26 4 S 0 6081 69.36 D 127218 D The sales reported on this Form 4 were effected pursuant to a Rule 10b5-1 automatic trading plan adopted by the Reporting Person. The reported price in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $68.31 to $71.04 per share, inclusive. The reporting person undertakes to provide to the issuer, any security holder of the issuer, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the range set forth in this footnote. Includes an aggregate of 124,406 shares of common stock issuable pursuant to previously reported restricted stock units that have not vested. This amended Form 4 is being filed to correct the number of shares originally reported as sold. The original report included the sale of 505 shares which were incorrectly sold by the broker but were not included in the Reporting Person's 10b5-1 automatic trading plan. Those 505 shares have been returned to the Reporting Person. Samsheer Ahamad, Attorney-in-fact 2020-11-18