Investor Presentaiton

Commercial Execution Growing presence within primary care STRATEGIC INITIATIVES 01 Drove reimbursement through clinical evidence (MOBILE study) 02 Doubled size of sales force in 2021 03 Introduced sampling program to highlight the Dexcom experience 04 Empowered sales team with digital tools Over the past two years1: We doubled total primary care prescriber base We doubled the average monthly new patients starting in primary care Dexcom 1. Data reflects year-end 2022. 17

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