EXHIBIT 99.1

EXPLANATION OF RESPONSES

(1) Held directly by Insight Venture Partners Growth-Buyout Coinvestment Fund, L.P.

(2) Held directly by Insight Venture Partners Growth-Buyout Coinvestment Fund (Cayman), L.P.

(3) Held directly by Insight Venture Partners Growth-Buyout Coinvestment Fund (Delaware), L.P.

(4) Held directly by Insight Venture Partners Growth-Buyout Coinvestment Fund (B), L.P.