Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F2,F1,F3,F4	Nov 21, 2017	C	18,137,245	—	A	56,817,016	I	See footnote
Common Stock^F5,F6,F7,F4	Nov 21, 2017	S	5,000,000	$11.16	D	51,817,016	I	See footnote

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Series A Convertible Preferred Stock^F2,F1,F4	—	Nov 21, 2017	C	18,137,245	D	—	—	Common Stock	18,137,245	0	I

Explanation of responses

F1Immediately prior to the closing of the issuer's initial public offering, each outstanding share of preferred stock automatically converted into a number of shares of common stock equal to the result of the liquidation value of such share of preferred stock divided by the initial public offering price per share of common stock of $12.00. The liquidation value for each share of preferred stock was equal to $1,000 plus accrued and unpaid dividends on such share of preferred stock. There was no expiration date.
F2Consists of 11,898,857 shares held directly by Thoma Bravo Fund XI, L.P. ("TB Fund XI"), 5,975,856 shares held directly by Thoma Bravo Fund XI-A, L.P. ("TB Fund XI-A") and 262,532 shares held directly by Thoma Bravo Executive Fund XI, L.P. ("TB Exec Fund XI").
F3Consists of 37,274,528 shares held directly by TB Fund XI, 18,720,144 shares held directly by TB Fund XI-A and 822,344 shares held directly by TB Exec Fund XI.
F4Thoma Bravo Partners XI, L.P. ("TB Partners XI") is the general partner of each of TB Fund XI, TB Fund XI-A and TB Exec Fund XI. Thoma Bravo, LLC ("TB, LLC") is the general partner of TB Partners XI. By virtue of the relationships described in this footnote, TB, LLC may be deemed to exercise voting and dispositive power with respect to the shares held by TB Fund XI, TB Fund XI-A and TB Exec Fund XI. Each of TB Partners XI and TB, LLC disclaims beneficial ownership of the shares owned by TB Fund XI, TB Fund XI-A and TB Exec Fund XI except to the extent of its pecuniary interest therein.
F5Consists of 3,280,225 shares held directly by TB Fund XI, 1,647,410 shares held directly by TB Fund XI-A and 72,365 shares held directly by TB Exec Fund XI.
F6Represents the initial public offering price to the public of $12.00 per share, less the underwriters' discount of $0.84 per share.
F7Consists of 33,994,303 shares held directly by TB Fund XI, 17,072,734 shares held directly by TB Fund XI-A and 749,979 shares held directly by TB Exec Fund XI.