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Transfer Agent:

American Stock Transfer & Trust Company, LLC (AST)
Shareholder Services:
Primary Contacts:
     (800) 937-5449 or (718) 921-8124

Teletypewriter for the hearing impaired:
(866) 703-9077
(718) 921-8386

Stock Purchases:
Dexcom does not have a direct stock purchase plan (DSPP). Please contact your stockbroker to purchase Dexcom shares. Our shares trade on the Nasdaq stock exchange under the ticker “DXCM”.



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