Personalis Announces New Data to be Presented at AACR Virtual Scientific Meeting

Personalis, Inc., (Nasdaq: PSNL) a leader in advanced genomics for cancer, today announced that the company will present new data in scientific posters to be presented at the 2020 American Association for Cancer Research (AACR) Virtual Annual Meeting II, which will be held online, June 22-24, 2020.

These abstract showcases data from ImmunoID NeXT, the first platform to enable comprehensive analysis of both a tumor and its immune microenvironment from a single sample. The ImmunoID NeXT Platform® can be used to investigate the key tumor- and immune-related areas of cancer biology, consolidating multiple oncology biomarker assays into one and maximizing the biological information that can be generated from a precious tumor specimen.

Following are details and links to the scientific posters that will be presented at the online meeting.

About Personalis

Personalis, Inc. is a growing cancer genomics company transforming the development of next-generation therapies by providing more comprehensive molecular data about each patient's cancer and immune response. The Personalis® ImmunoID NeXT Platform® is designed to adapt to the complex and evolving understanding of cancer, providing its biopharmaceutical customers with information on all of the approximately 20,000 human genes, together with the immune system, from a single tissue sample. Personalis also provides genomic information to the VA Million Veterans Program as part of their goal to sequence over a million veteran genomes. The Personalis® Clinical Laboratory is GxP-aligned as well as CLIA'88-certified and CAP-accredited. For more information, please visit www.personalis.com and follow Personalis on Twitter (@PersonalisInc).

Forward-Looking Statements

This press release contains or may imply "forward-looking statements" within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Forward-looking statements include all statements that are not historical facts, including, for example, statements regarding the future availability, features or potential uses of the ImmunoID NeXT Platform and other future events. These forward-looking statements are subject to risks and uncertainties, including those related to the evolution of cancer therapies and market adoption of our services, our expectations regarding future performance, and the COVID-19 pandemic, as well as other risks and uncertainties discussed in Personalis' filings with the Securities and Exchange Commission (SEC), including in the "Risk Factors" and "Management's Discussion and Analysis of Financial Condition and Results of Operations" sections of the Company's most recently filed periodic reports on Forms 10-K and 10-Q and subsequent filings and in the documents incorporated by reference therein, all of which may significantly impact our business and operations, the business and operations of our customers, our ability to access capital and the value of our common stock. Except as otherwise required by law, Personalis disclaims any intention or obligation to update or revise any forward-looking statements, which speak only as of the date hereof, whether as a result of new information, future events or circumstances or otherwise.