PALO ALTO, Calif. / May 26, 2023 / Business Wire / Guardant Health, Inc. (Nasdaq: GH), a leading precision oncology company, today announced the company will be participating in the following investor conferences.

• William Blair 43^rd Annual Growth Stock Conference in Chicago, IL
  Presentation on Tuesday, June 6^th at 4:40 p.m. Central Time

• Goldman Sachs 44^th Annual Global Healthcare Conference in Dana Point, CA
  Fireside Chat on Monday, June 12^th at 4:00 p.m. Pacific Time

Interested parties may access live and archived webcasts of the sessions on the “Investors” section of the company website at: www.guardanthealth.com.

About Guardant Health

Guardant Health is a leading precision oncology company focused on helping conquer cancer globally through use of its proprietary tests, vast data sets and advanced analytics. The Guardant Health oncology platform leverages capabilities to drive commercial adoption, improve patient clinical outcomes and lower healthcare costs across all stages of the cancer care continuum. Guardant Health has commercially launched Guardant360®, Guardant360 CDx, Guardant360 TissueNext™, Guardant360 Response™, and GuardantINFINITY™ tests for advanced-stage cancer, and Guardant Reveal™ for early-stage cancer. The Guardant Health screening portfolio, including the commercially launched Shield™ test, aims to address the needs of individuals eligible for cancer screening.