EXPLANATION OF RESPONSES
| (1) | Held directly by Insight Venture Partners IX, L.P. |
| (2) | Held directly by Insight Venture Partners (Cayman) IX, L.P. |
| (3) | Held directly by Insight Venture Partners (Delaware) IX, L.P. |
| (4) | Held directly by Insight Venture Partners IX (Co-Investors), L.P. |
| (5) | Held directly by IVP (Venice), L.P. |
| (6) | Price of $31.95 does not reflect underwriter discount or fees. |