Benzinga | Apr 8, 2021 04:08PM EDT

Personalis Says Presents Data At AACR Annual Meeting 2021 Showcasing Personalis ImmunoID NeXT Platform

Personalis Presents Data at AACR Annual Meeting 2021 Showcasing the Personalis ImmunoID NeXT Platform(r)

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 American Association for Cancer Research (AACR) Annual Meeting 2021, which will be held online, April 10-15, 2021 and May 17-21, 2021.

These abstracts showcase 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.

Poster Number, Session Categoryand Session Title & Presenter Date LocationTitle

399

Clinical Pan-cancer survey of HLA loss of heterozygosityResearch using a robustly validated NGS-based machine(Excluding learning algorithmTrials) April 10, Online 2021 Presenter: Rachel Marty Pyke, PhDBiomarkersPredictive of TherapeuticBenefit

555 Longitudinal exome-scale liquid biopsyClinical monitoring of evolving therapeutic resistanceResearch mechanisms in head and neck squamous cell(Excluding carcinoma patients receiving anti-PD-1 therapy AprilTrials) 10, Online 2021 Presenter: Charles Abbott, PhDLiquid Biopsies:Circulating DNA

1898 Accurate modeling of antigen processing and MHCImmunology peptide presentation using large-scale immunopeptidomes and a novel machine learningTumor framework April 10, Online 2021

Antigenicity/ Presenter: Rachel Marty Pyke, PhDProcessing andPresentation

2227 Pan-cancer shedding patterns of tumorMolecular and circulating cell free DNACellular Biology/ Genetics April 10, Online Presenter: Fa'bio Navarro, PhD 2021

Genomic Profiling ofTumors

2241

Molecular and Profiling tumor-infiltrating immune cells usingCellular Biology an augmented transcriptome/ Genetics April 10, Online 2021 Presenter: Eric Levy, PhDGenomicProfiling ofTumors

About Personalis, Inc.

Personalis, Inc. is a leader in population sequencing and cancer genomics, with a focus on data, scale, efficiency, and quality. Personalis operates one of the largest sequencing operations globally and is currently the sole sequencing provider to the VA MVP. In oncology, Personalis is transforming the development of next-generation therapies by providing more comprehensive molecular data about each patient's cancer and immune response. The Personalis 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. 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

All statements in this press release that are not historical are "forward-looking statements" within the meaning of U.S. securities laws, including statements relating to attributes or advantages of the Personalis NeXT Platform, Personalis' business opportunities, leadership, plans, vision or growth, or other future events. Such forward-looking statements involve risks and uncertainties, including those related to the COVID-19 pandemic, that could cause actual results to differ materially from any anticipated results or expectations expressed or implied by such statements. Factors that could materially affect actual results can be found in Personalis' filings with the U.S. Securities and Exchange Commission, including Personalis' most recent reports on Forms 8-K, 10-K and 10-Q, the company's registration statement on Form S-3 filed on December 30, 2020, and the company's prospectus supplement filed on January 27, 2021, and include those listed under the caption "Risk Factors." Personalis disclaims any obligation to update such forward-looking statements.

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