Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2,F3	Jul 1, 2015	C	10,614,744	—	A	10,614,744	I	TCV VII, L.P.
Common Stock^F2,F3	Jul 1, 2015	P	581,418	$13.02	A	11,196,162	I	TCV VII, L.P.
Common Stock^F1,F2,F4	Jul 1, 2015	C	5,512,482	—	A	5,512,482	I	TCV VII (A), L.P.
Common Stock^F2,F4	Jul 1, 2015	P	301,944	$13.02	A	5,814,426	I	TCV VII (A), L.P.
Common Stock^F1,F2,F5	Jul 1, 2015	C	100,287	—	A	100,287	I	TCV Member Fund, L.P.
Common Stock^F2,F5	Jul 1, 2015	P	5,576	$13.02	A	105,863	I	TCV Member Fund, L.P.

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	D/I
Series B Preferred Stock^F1,F2,F3	—	Jul 1, 2015	C	1,179,416	D	—	—	Common Stock	10,614,744	I
Series B Preferred Stock^F1,F2,F4	—	Jul 1, 2015	C	612,498	D	—	—	Common Stock	5,512,482	I
Series B Preferred Stock^F1,F2,F5	—	Jul 1, 2015	C	11,143	D	—	—	Common Stock	100,287	I

Explanation of responses

F1The Series B Preferred Stock automatically converted into 9 shares of common stock upon the closing of the Issuer's initial public offering. The Series B Preferred Stock has no expiration date.
F2This Form 4 is filed by more than one Reporting Person and is a joint filing with the Form 4 filed by Timothy P. McAdam, TCV Member Fund, L.P., Technology Crossover Management VII, L.P., and Technology Crossover Management VII, Ltd. on July 2, 2015.
F3These securities are directly held by TCV VII, L.P. Timothy P. McAdam, Jay C. Hoag, Christopher P. Marshall, Jon Q. Reynolds, Jr., Richard H. Kimball, John L. Drew, Robert W. Trudeau, John C. Rosenberg and David L. Yuan (collectively, the "TCM VII Directors") are Class A Directors of Technology Crossover Management VII, Ltd. ("Management VII") and limited partners of Technology Crossover Management VII, L.P. ("TCM VII"). Management VII is the general partner of TCM VII, which is the general partner of TCV VII, L.P. The TCM VII Directors, Management VII and TCM VII may be deemed to beneficially own the securities held by TCV VII, L.P., but each of the TCM VII Directors, Management VII and TCM VII disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.
F4These securities are directly held by TCV VII (A), L.P. The TCM VII Directors are Class A Directors of Management VII and limited partners of TCM VII. Management VII is the general partner of TCM VII, which is the general partner of TCV VII (A), L.P. The TCM VII Directors, Management VII and TCM VII may be deemed to beneficially own the securities held by TCV VII (A), L.P., but each of the TCM VII Directors, Management VII and TCM VII disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.
F5These securities are directly held by TCV Member Fund, L.P. ("TCV MF"). The TCM VII Directors are Class A Directors of Management VII, which is a general partner of TCV MF, and limited partners of TCV MF. The TCM VII Directors and Management VII may be deemed to beneficially own the securities held by TCV MF, but the TCM VII Directors and Management VII each disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein.