Guardant Health to Participate in Upcoming June Investor Conferences

Guardant Health, Inc. (Nasdaq: GH), a leading precision oncology company, today announced the company will be participating virtually in the following investor conferences.

• William Blair 41st Annual Growth Stock Conference Fireside Chat on Tuesday, June 1st at 12:00 p.m. Pacific Time / 3:00 p.m. Eastern Time

• Goldman Sachs 42nd Annual Global Healthcare Conference Fireside Chat on Tuesday, June 8th at 12:00 p.m. Pacific Time / 3:00 p.m. Eastern Time

Interested parties may access a live and archived webcast of the presentation 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 blood 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 liquid biopsy-based Guardant360®, Guardant360 CDx, and GuardantOMNI® tests for advanced stage cancer patients, and Guardant Reveal™ test for early-stage cancer patients. These tests fuel development of its LUNAR screening program, which aims to address the needs of asymptomatic individuals eligible for cancer screening.

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Investor Contact: Carrie Mendivil [e-mail] Media Contact: Anna Czene [e-mail] Julie Johnson [e-mail]