Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	Jun 22, 2016	S	981,549	$10.7719	D	24,053,120	I	By TA XI L.P.
Common Stock^F1,F2	Jun 22, 2016	S	127,744	$10.7719	D	3,130,392	I	By TA Atlantic and Pacific VII-A L.P.
Common Stock^F1,F2	Jun 22, 2016	S	216,989	$10.7719	D	5,317,363	I	By TA Atlantic and Pacific VII-B L.P.
Common Stock^F1,F2	Jun 22, 2016	S	26,526	$10.7719	D	650,017	I	By TA Investors IV L.P.

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1Note that due to field restrictions the last two decimal places do not appear. The purchase price is $10.771875.
F2The shares are held directly by TA XI L.P., TA Atlantic and Pacific VII-A L.P., TA Atlantic and Pacific VII-B L.P. and TA Investors IV L.P. (the "TA Associates Funds"). TA Associates, L.P. is either the direct or indirect general partner of the TA Associates Funds and has investment and voting control over the shares held by the TA Associates Funds. Voting and investment decisions on behalf of TA Associates, L.P. with respect to such shares are made by a four-person investment committee at TA Associates, L.P. consisting of the following partners or employees of TA Associates, L.P. or its affiliates: Jeffrey S. Barber, William D. Christ II, Roger B. Kafker and Richard D. Tadler. Messrs. Barber and Christ are Directors of the Issuer and serve as representatives of TA Associates, L.P. and the TA Associates Funds on the Issuer's board of directors. TA Associates, L.P. disclaims beneficial ownership of such securities, except to the extent of any pecuniary interest in such shares, if any.