Personalis to Announce First Quarter 2022 Financial Results

MENLO PARK, Calif.--(BUSINESS WIRE)-- Personalis, Inc. (Nasdaq: PSNL), a leader in advanced genomics for cancer, announced today that it will release its first quarter 2022 financial results on Wednesday, May 4, 2022. In conjunction with the release, Personalis will host a conference call and webcast that day at 2:00 p.m. Pacific Time / 5:00 p.m. Eastern Time to discuss its financial results and recent highlights.

Interested parties may access the live call via telephone by dialing (866) 220-8061 for domestic callers or (470) 495-9168 for international callers, using conference ID: 3187833. The live webinar of the call may be accessed by visiting the Events section of the company's website at investors.personalis.com. A replay of the webinar will be available shortly after the conclusion of the call and will be archived on the company's website.

About Personalis

Personalis, Inc. is a leader in advanced cancer genomics, enabling the next generation of precision cancer therapies and diagnostics. The Personalis NeXT Platform® is designed to adapt to the complex and evolving understanding of cancer, providing its biopharmaceutical customers and clinicians with information on all of the approximately 20,000 human genes, together with the immune system, from a single sample. To enable cancer sequencing, Personalis' Clinical Laboratory was built with a focus on clinical accuracy, quality, big data, scale, and efficiency. The laboratory is GxP-aligned as well as Clinical Laboratory Improvement Amendments of 1988-certified and College of American Pathologists-accredited. For more information, visit the Personalis website and follow Personalis on LinkedIn and Twitter.

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Investor Relations Contact for Personalis: Caroline Corner investors@personalis.com www.westwicke.com 415-202-5678

Media Contact for Personalis: Jennifer Temple pr@personalis.com www.personalis.com 650-752-1300

Source: Personalis, Inc.