Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock, par value $0.01^F9,F10,F11	Sep 12, 2018	A	27,474	$0.00	A	27,474	I	See footnote.
Common Stock, par value $0.01^F1,F2,F3,F4	holding	—	—		—	20,952,262	D
Common Stock, par value $0.01^F2,F3,F5,F6	holding	—	—		—	6,285,164	D
Common Stock, par value $0.01^F2,F3,F7,F8	holding	—	—		—	269,118	D

Table II — derivative securities

Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Stock Option (Right to Buy)^F13,F12	$18.00	holding	—	—	—	—	Oct 31, 2023	Common Stock	40,808	40,808	I
Stock Option (Right to Buy)^F14,F12	$21.53	holding	—	—	—	—	Oct 27, 2024	Common Stock	30,396	30,396	I
Stock Option (Right to Buy)^F15,F12	$17.28	holding	—	—	—	—	Aug 3, 2025	Common Stock	35,463	35,463	I
Stock Option (Right to Buy)^F17,F16	$5.35	holding	—	—	—	—	Aug 1, 2026	Common Stock	92,025	92,025	I
Stock Option (Right to Buy)^F19,F18	$4.10	holding	—	—	—	—	Sep 12, 2027	Common Stock	128,757	128,757	I

Explanation of responses

F1Represents shares of the Issuer's common stock, par value $0.01 per share (the "Common Stock") held directly by Green Equity Investors V, L.P. ("GEI V").
F10Of the 27,474 shares of Common Stock reported, 9,159 will vest on September 12, 2019, 9,159 will vest on September 12, 2020, and 9,156 will vest on September 12, 2021.
F11Represents shares owned by Messrs. Sokoloff, Flynn, and Galashan, each of whom hold 9,158 shares of Common Stock.
F12The options reported on this row are fully vested.
F13The options reported on this row were granted to Jonathan D. Sokoloff, Timothy J. Flynn, and J. Kristofer Galashan in respect of their service on the Issuer's board of directors for the benefit of LGP, with Mr. Sokoloff and Mr. Flynn each holding 13,603 of such options and Mr. Galashan holding 13,602 of such options. Each of Messrs. Sokoloff, Flynn, and Galashan disclaims beneficial ownership of such options, except to the extent of his pecuniary interest therein. LGP directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of such options.
F14The options reported on this row were granted to Jonathan D. Sokoloff, Timothy J. Flynn, and J. Kristofer Galashan in respect of their service on the Issuer's board of directors for the benefit of LGP, with Messrs. Sokoloff, Flynn, and Galashan each holding 10,132 of such options. Each of Messrs. Sokoloff, Flynn, and Galashan disclaims beneficial ownership of such options, except to the extent of his pecuniary interest therein. LGP directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of such options.
F15The options reported on this row were granted to Jonathan D. Sokoloff, Timothy J. Flynn, and J. Kristofer Galashan in respect of their service on the Issuer's board of directors for the benefit of LGP, with Messrs. Sokoloff, Flynn, and Galashan each holding 11,821 of such options. Each of Messrs. Sokoloff, Flynn, and Galashan disclaims beneficial ownership of such options, except to the extent of his pecuniary interest therein. LGP directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of such options.
F16Subject to Jonathan D. Sokoloff, Timothy J. Flynn, and J. Kristofer Galashan's continued service through each such vesting date, the options reported on this row, granted on August 1, 2016 (the "Grant Date"), shall vest and become exercisable in three equal installments as follows: (i) the first installment vested on August 1, 2017; (ii) the second installment vested on August 1, 2018; and (iii) the third investment shall vest on the earlier of (x) the day immediately preceding the third Annual Meeting following the Grant Date and (y) August 1, 2019.
F17The options reported on this row were granted to Jonathan D. Sokoloff, Timothy J. Flynn, and J. Kristofer Galashan in respect of their service on the Issuer's board of directors for the benefit of LGP, with Messrs. Sokoloff, Flynn, and Galashan each holding 30,675 of such options. Each of Messrs. Sokoloff, Flynn, and Galashan disclaims beneficial ownership of such options, except to the extent of his pecuniary interest therein. LGP directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of such options.
F18Subject to Jonathan D. Sokoloff, Timothy J. Flynn, and J. Kristofer Galashan's continued service through each such vesting date, the options reported on this row, granted on September 12, 2017 (the "Second Grant Date"), shall vest and become exercisable in three equal installments as follows: (i) the first installment vested on September 11, 2018; (ii) the second installment shall vest on the earlier of (x) the day immediately preceding the second Annual Meeting following the Second Grant Date and (y) September 12, 2019; and (iii) the third installment shall vest on the earlier of (x) the day immediately preceding the third Annual Meeting following the Second Grant Date and (y) September 12, 2020.
F19The options reported on this row were granted to Jonathan D. Sokoloff, Timothy J. Flynn, and J. Kristofer Galashan in respect of their service on the Issuer's board of directors for the benefit of LGP, with Messrs. Sokoloff, Flynn, and Galashan each holding 42,919 of such options. Each of Messrs. Sokoloff, Flynn, and Galashan disclaims beneficial ownership of such options, except to the extent of his pecuniary interest therein. LGP directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owner of such options.
F2GEI V is the direct owner of 20,952,262 shares of Common Stock of the Issuer. Green Equity Investors Side V, L.P. ("GEI Side V") is the direct owner of 6,285,164 shares of Common Stock of the Issuer. TCS Co-Invest, LLC ("TCS") is the direct owner of 269,118 shares of Common Stock of the Issuer (together with GEI V's and GEI Side V's Common Stock, the "Shares"). GEI Capital V, LLC ("GEIC") is the general partner of GEI V and GEI Side V. Green V Holdings, LLC ("Holdings") is a limited partner of GEI V and GEI Side V. Leonard Green & Partners, L.P. ("LGP") is the manager of GEI V, GEI Side V and Peridot Coinvest Manager LLC ("Peridot"), and an affiliate of GEIC and Holdings. LGP Management, Inc. ("LGPM") is the general partner of LGP. Peridot is the manager of LGP Associates V LLC ("Associates V"). Associates V is the manager of TCS.
F3GEI Side V, as an affiliated entity of GEI V, LGP, as the manager of GEI V, GEI Side V and Peridot, LGPM, as the general partner of LGP, GEIC, as the general partner of GEI V and GEI Side V, Holdings, as a limited partner of GEI V and GEI Side V, Peridot, as the manager of Associates V, and Associates V, as the manager of TCS, directly (whether through ownership or position) or indirectly through one or more intermediaries, may be deemed for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, to be the indirect beneficial owners of the Shares (in the case of GEI Side V, the GEI V Shares and TCS's Shares, in the case of GEI V, the GEI Side V Shares and TCS's Shares, and in the case of TCS, the GEI V Shares and the GEI Side V Shares) owned by GEI V, GEI Side V, or TCS.
F4Each of GEI Side V, TCS, GEIC, Holdings, LGP, LGPM, Peridot, and Associates V disclaims beneficial ownership of the Shares reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.
F5Represents shares of Common Stock held directly by GEI Side V.
F6Each of GEI V, TCS, LGP, LGPM, GEIC, Holdings, Peridot and Associates V disclaims beneficial ownership of the Shares reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.
F7Represents shares of Common Stock held directly by TCS.
F8Each of GEI V, GEI Side V, LGP, LGPM, GEIC, Holdings, Peridot and Associates V disclaims beneficial ownership of the Shares reported herein, except to the extent of its pecuniary interest therein, and this report shall not be deemed an admission that the reporting persons are the beneficial owners of such securities for purposes of Section 16 or for any other purposes.
F9Represents shares of Common Stock of the Issuer underlying restricted stock units awarded to Jonathan D. Sokoloff, Timothy J. Flynn, and J. Kristofer Galashan pursuant to the Issuer's Amended and Restated 2013 Incentive Award Plan on September 12, 2018. The restricted stock units represent the right to receive shares of Common Stock and vest on the schedule reported in footnote 10, subject to Jonathan D. Sokoloff, Timothy J. Flynn, and J. Kristofer Galashan's continued service with the Issuer.

Remarks

GEI V may be deemed to be a director for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, by reason of its right to nominate three persons to serve on the board of directors of the Issuer in accordance with the terms and conditions of a securities purchase agreement dated as of August 15, 2007, as amended, by and among the Issuer, GEI V, GEI Side V, and TCS.