

| IRON MOUNTAIN INC. | 28/05/2015 AGM | |
|---|---|---|
| 1a | Elect Jennifer Allerton | For |
| 1b | Elect Ted R. Antenucci | For |
| 1c | Elect Pamela M. Arway | For |
| 1d | Elect Clarke H. Bailey | For |
| 1e | Elect Kent P. Dauten | For |
| 1f | Elect Paul F. Deninger | For |
| 1g | Elect Per-Kristian Halvorsen | For |
| 1h | Elect William L. Meaney | For |
| 1i | Elect Walter C. Rakowich | For |
| 1j | Elect Alfred J. Verrecchia | For |
| 2 | Advisory vote on executive compensation | Oppose |
| 3 | Ratify the appointment of the auditors | Oppose |