| 1a. | Elect Kevin Sayer - Chair & Chief Executive | Oppose |
| 1b. | Elect Steven R. Altman - Non-Executive Director | Oppose |
| 1c. | Elect Nicholas Augustinos - Non-Executive Director | Oppose |
| 1d. | Elect Richard A. Collins - Non-Executive Director | For |
| 1e. | Elect Karen Dahut - Non-Executive Director | For |
| 1f. | Elect Rimma Driscoll - Non-Executive Director | For |
| 1g. | Elect Mark Foletta - Lead Director | Oppose |
| 1h. | Elect Renée Galá - Non-Executive Director | For |
| 1i. | Elect Bridgette P. Heller - Non-Executive Director | Oppose |
| 1j. | Elect Kyle Malady - Non-Executive Director | For |
| 2. | Appoint the Auditors | For |
| 3. | Advisory Vote on Executive Compensation | Abstain |
| 4. | Amended and Restated 2015 Equity Incentive Plan | Oppose |
| 5. | Approval of DexCom, Inc. Amended and Restated 2015 Employee Stock Purchase Plan | Oppose |
