Exhibit 1
JOINT FILING AGREEMENT
We, the signatories of the statement to which this Joint Filing Agreement is attached, hereby agree that such statement is filed, and any amendments thereto filed by any of us will be filed, on behalf of each of us.
Dated: February 17, 2017
| SG ENTERPRISES II, LLC | |
| /s/ John W. Stanton | |
| John W. Stanton | |
| Manager | |
| JOHN W. STANTON | |
| /s/ John W. Stanton | |
| John W. Stanton | |
| THERESA E. GILLESPIE | |
| /s/ Theresa E. Gillespie | |
| Theresa E. Gillespie |
