• New research demonstrates value of epigenomic analysis and methylation sequencing with Guardant liquid biopsy portfolio across continuum of cancer care
• New data show strong performance of Guardant Reveal™ in detection and quantification of residual disease in early-stage breast cancer without need for tissue specimen

Guardant Health, Inc. (Nasdaq: GH), a leading precision oncology company, today announced it will present data from nine studies highlighting advances in methylation-based epigenomic analysis for precision oncology at the 2024 American Association for Cancer Research (AACR) Annual Meeting, April 5-10 in San Diego.

Multiple poster sessions will report on the utility of using the Guardant Infinity™ platform across the continuum of cancer care, ranging from predictive histologic subtyping of tumors to cardiac adverse event prediction. Data will also be presented demonstrating strong performance of Guardant Reveal for minimal residual disease (MRD) detection in breast cancer, allowing quantification of ctDNA even in early-stage disease without the need for a tissue specimen.

“We look forward to sharing new data at AACR, in particular studies demonstrating the potential for epigenomic analysis using the Guardant Infinity platform to advance cancer research,” said Helmy Eltoukhy, Guardant Health chairman and co-CEO. “These presentations illustrate how epigenomics can unlock the mechanisms of cancer cell regulation that are invisible to genomic testing, allowing us to expand patient eligibility for clinical trials and contributing to targeted therapy development and better-informed patient care.”

The Guardant Infinity smart liquid biopsy platform used in many of the studies combines genomic and epigenomic profiling to deliver multidimensional insights that allow researchers and clinicians to characterize and quantify cancer—in areas such as tumor heterogeneity, disease progression and treatment response. The epigenomic insights enable more personalized treatment strategies by increasing accuracy in minimal residual disease detection and monitoring through enhanced ctDNA detection and quantification, and by identifying new patients or predicting response to therapy through novel epigenomic biomarkers.

Full List of Guardant Health Presentations

The full abstracts for Guardant Health and a list of all abstracts being presented at the meeting can be found at the AACR website here.

For more information and updates from the meeting, follow Guardant Health on LinkedIn, X (Twitter) and Facebook or visit AACR booth #3545.

About Guardant Health

Guardant Health is a leading precision medicine company focused on guarding wellness and giving every person more time free from cancer. Founded in 2012, Guardant is transforming patient care by providing critical insights into what drives disease through its advanced blood and tissue tests, real-world data and AI analytics. Guardant tests help improve outcomes across all stages of care, including screening to find cancer early, monitoring for recurrence in early-stage cancer, and helping doctors select the best treatment for patients with advanced cancer. For more information, visit guardanthealth.com and follow the company on LinkedIn, X (Twitter) and Facebook.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of federal securities laws, including statements regarding the potential utilities, values, benefits and advantages of Guardant Health’s liquid biopsy tests or assays, which involve risks and uncertainties that could cause the actual results to differ materially from the anticipated results and expectations expressed in these forward-looking statements. These statements are based on current expectations, forecasts and assumptions, and actual outcomes and results could differ materially from these statements due to a number of factors. These and additional risks and uncertainties that could affect Guardant Health’s financial and operating results and cause actual results to differ materially from those indicated by the forward-looking statements made in this press release include those discussed under the captions “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operation” and elsewhere in its Annual Report on Form 10-K for the year ended December 31, 2023, and in its other reports filed with or furnished to the Securities and Exchange Commission thereafter. The forward-looking statements in this press release are based on information available to Guardant Health as of the date hereof, and Guardant Health disclaims any obligation to update any forward-looking statements provided to reflect any change in its expectations or any change in events, conditions, or circumstances on which any such statement is based, except as required by law. These forward-looking statements should not be relied upon as representing Guardant Health’s views as of any date subsequent to the date of this press release.

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