Investor Presentaiton

425+ publications supporting use of Guardant360 Partnership with Top Thought Leaders 45 NCI-Designated Comprehensive Cancer Centers involved in publication generation GU All Others Pancreatic Reimbursement 30 Publications used to obtain Medicare coverage GUARDANT Breast Colorectal 425+ Publications Multi-Cancer Lung INVESTOR 20 DAY 23 Patient Outcomes 120+ Publications with patient outcomes involving targeted therapies Changing Guidelines 38 Publications included in successful NCCN submissions 49 49

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