Common Contracts

LETTER OF TRANSMITTAL

Merger Agreement • March 14th, 2012

• Contract Type
  Merger Agreement
• Filed
  March 14th, 2012

Any capitalized term used herein and not defined shall have the meaning given to it in that certain Agreement and Plan of Merger (the “Merger Agreement”) dated February 21, 2012 by and among DexCom, Inc. (“Acquiror”), SweetSpot Diabetes Care, Inc. (“Company”), Swoosh Acquisition Corp. (“Sub”) and Christopher Logan, as Stockholders’ Agent. The undersigned represents that I (we) have full authority to surrender without restriction the Converting Instruments, representing shares of Company Common Stock and/or Company Options, for exchange. You are hereby authorized and instructed to prepare in the name of and deliver to the address indicated below (unless otherwise instructed in the boxes in the following page) a certificate representing shares of Acquiror common stock and a check representing a cash payment for fractional shares pursuant to this Letter of Transmittal. Such certificates shall equal 0.026583057 of a share of Acquiror Common Stock per share of Company Common Stock or Net Ex