| CUSIP No. 40131M109 | 13G | Page 1 1 of 11 Pages |
Exhibit 99.1
JOINT FILING AGREEMENT
Pursuant to Rule13d-1(k)(1) under the Securities Exchange Act of 1934, as amended, the undersigned hereby agree that only one statement containing the information required by Schedule 13G need be filed with respect to the ownership by each of the undersigned of the shares of Common Stock of Guardant Health, Inc.
Dated: January 31, 2020
| KHOSLA VENTURES IV, L.P. | ||
| By: | Khosla Ventures Associates IV, LLC, | |
| a Delaware limited liability company and general partner of Khosla Ventures IV, LP | ||
| By: | /s/ Vinod Khosla | |
| Vinod Khosla, Managing Member | ||
| KHOSLA VENTURES IV (CF), L.P. | ||
| By: | Khosla Ventures Associates IV, LLC, | |
| a Delaware limited liability company and general partner of Khosla Ventures IV (CF), LP | ||
| By: | /s/ Vinod Khosla | |
| Vinod Khosla, Managing Member | ||
| KHOSLA VENTURES ASSOCIATES IV, LLC | ||
| By: | /s/ Vinod Khosla | |
| Vinod Khosla, Managing Member | ||
| VK SERVICES, LLC | ||
| By: | /s/ Vinod Khosla | |
| Vinod Khosla, Manager | ||
/s/ Vinod Khosla |
| Vinod Khosla |
