Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2	Oct 24, 2018	S	9,805,090	$18.00	D	42,144,086	I	See Footnotes
Common Stock^F2,F3	Oct 24, 2018	S	225,517	$18.00	D	969,314	I	See Footnotes
Common Stock^F2,F4	Oct 24, 2018	S	599,451	$18.00	D	2,576,549	I	See Footnotes

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1Represents shares of common stock held by Cortec Group Fund V, L.P. Cortec Management V, LLC is the managing general partner of Cortec Group Fund V, L.P.
F2The Reporting Persons are party to a Voting Agreement pursuant to which the Reporting Persons may be deemed to have beneficial ownership over shares of common stock held by other parties to the Voting Agreement. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein, except to the extent of such Reporting Person's pecuniary interest therein. The filing of this statement shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the Reporting Persons are the beneficial owners of any securities reported herein.
F3Represents shares of common stock held by Cortec Co-Investment Fund V, LLC.
F4Represents shares of common stock held by Cortec Group Fund V (Parallel), L.P. Cortec Management V (Co-Invest), LLC is the general partner of Cortec Group Fund V (Parallel), L.P. As Cortec Group Fund V (Parallel), L.P. is required by the terms of its limited partnership agreement to dispose of its equity investments in the same manner and at the same time as Cortec Group Fund V, L.P., Cortec Management V, LLC may also be deemed to have investment control over the shares of common stock held by Cortec Group Fund V (Parallel), L.P.