EXHIBIT A
JOINT FILING STATEMENT
We, the undersigned, hereby express our agreement that the attached Schedule 13G (or any amendments thereto) relating to the Common Stock of ServiceSource International, Inc. is filed on behalf of each of us.
Dated: January 10, 2019
| Housatonic Micro Fund SBIC, L.P. | ||
| By: | Housatonic Micro Partners SBIC, L.L.C. | |
| Its: | General Partner | |
| By: | /s/ Barry D. Reynolds | |
| Barry D. Reynolds, Manager | ||
| Housatonic Micro Partners SBIC, L.L.C. | ||
| By: | /s/ Barry D. Reynolds | |
| Barry D. Reynolds, Manager | ||
| Housatonic Equity Investors IV, L.P. | ||
| By: | Housatonic Equity Partners IV, L.L.C. | |
| Its: | General Partner | |
| By: | /s/ Barry D. Reynolds | |
| Barry D. Reynolds, Manager | ||
| Housatonic Equity Affiliates IV, L.P. | ||
| By: | Housatonic Equity Partners IV, L.L.C. | |
| Its: | General Partner | |
| By: | /s/ Barry D. Reynolds | |
| Barry D. Reynolds, Manager | ||
| Housatonic Equity Partners IV, L.L.C. | ||
| By: | /s/ Barry D. Reynolds | |
| Barry D. Reynolds, Manager | ||