JOINT FILING AGREEMENT
EXHIBIT 2
The undersigned hereby agree to the joint filing of the Amendment No. 3 to Schedule 13D to which this Agreement is attached.
Dated: August 7, 2017
| DISCOVERY EQUITY PARTNERS, L.P. | ||
| By | Xxxxxxx X. Xxxxxx* | |
| Xxxxxxx X. Xxxxxx | ||
| Manager | ||
| DISCOVERY GROUP I, LLC | ||
| By | Xxxxxxx X. Xxxxxx* | |
| Xxxxxxx X. Xxxxxx | ||
| Manager | ||
| *By: | /s/ Xxxx Xxxxxxx | |
| Xxxx Xxxxxxx | ||
| Attorney-in-Fact for Xxxxxxx X. Xxxxxx | ||
