Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^{F1,F2,F13,F14,F15,F16,F17}	May 10, 2018	S	524,749	$24.20	D	1,137,128	I	See Footnotes
Common Stock^{F1,F3,F13,F14,F15,F16,F17}	May 10, 2018	S	462,967	$24.20	D	1,003,247	I	See Footnotes
Common Stock^{F1,F4,F13,F14,F15,F16,F17}	May 10, 2018	S	53,348	$24.20	D	115,606	I	See Footnotes
Common Stock^{F1,F5,F13,F14,F15,F16,F17}	May 10, 2018	S	60,369	$24.20	D	130,821	I	See Footnotes
Common Stock^{F1,F6,F13,F14,F15,F16,F17}	May 10, 2018	S	111,564	$24.20	D	241,761	I	See Footnotes
Common Stock^{F1,F7,F12,F14,F15,F16,F17}	May 10, 2018	S	126,800	$24.20	D	274,775	I	See Footnotes
Common Stock^{F1,F8,F13,F14,F15,F16,F17}	May 10, 2018	S	48,711	$24.20	D	105,558	I	See Footnotes
Common Stock^{F1,F9,F12,F14,F15,F16,F17}	May 10, 2018	S	17,097	$24.20	D	37,050	I	See Footnotes
Common Stock^{F1,F10,F12,F14,F15,F16,F17}	May 10, 2018	S	167,405	$24.20	D	362,766	I	See Footnotes
Common Stock^{F1,F11,F12,F14,F15,F16,F17}	May 10, 2018	S	296,669	$24.20	D	642,881	I	See Footnotes

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1This amount represents the $24.20 public offering price per share of Issuer common stock.
F10GSO Palmetto Opportunistic Investment Partners LP ("Palmetto Fund") directly holds these securities.
F11GSO Credit Alpha Fund AIV-2 LP ("COCA AIV-2 Fund", and collectively with Special Situations Fund, SSOMF Fund, Steamboat Fund, ADGM Fund, Cactus Fund, Churchill Fund, Coastline Fund, Credit-A Fund and Palmetto Fund, the "GSO Funds") directly holds these securities.
F12GSO Churchill Associates LLC is the general partner of Churchill Fund. GSO Credit-A Associates LLC is the general partner of Credit-A Fund. GSO Palmetto Opportunistic Associates LLC is the general partner of Palmetto Fund. GSO Credit Alpha Associates LLC is the general partner of COCA AIV-2 Fund. GSO Holdings I L.L.C. is the managing member of each of GSO Churchill Associates LLC, GSO Credit-A Associates LLC, GSO Palmetto Opportunistic Associates LLC and GSO Credit Alpha Associates LLC. Blackstone Holdings I L.P. is the managing member of GSO Holdings I L.L.C. with respect to the shares beneficially owned by GSO Credit Alpha Associates LLC. Blackstone Holdings II L.P. is the managing member of GSO Holdings I L.L.C. with respect to shares beneficially owned by GSO Churchill Associates LLC, GSO Credit-A Associates LLC and GSO Credit Palmetto Opportunistic Associates LLC.
F13GSO Capital Partners LP is the investment manager or advisor with respect to the shares of Issuer common stock held by Special Situations Fund, SSOMF Fund, Steamboat Fund, ADGM Fund, Cactus Fund and Coastline Fund. GSO Advisor Holdings L.L.C. is the special limited partner of GSO Capital Partners LP with the investment and voting power over the securities beneficially owned by GSO Capital Partners LP. Blackstone Holdings I L.P. is the sole member of GSO Advisor Holdings L.L.C.
F14Blackstone Holdings I/II GP Inc. is the general partner of Blackstone Holdings I L.P. and Blackstone Holdings II L.P. The Blackstone Group L.P. is the controlling shareholder of Blackstone Holdings I/II GP Inc. Blackstone Group Management L.L.C. is the general partner of The Blackstone Group L.P. Blackstone Group Management L.L.C. is wholly-owned by Blackstone's senior managing directors and controlled by its founder, Stephen A. Schwarzman. In addition, each of Bennett J. Goodman and J. Albert Smith III may be deemed to have shared voting power and/or investment power with respect to the securities held by the GSO Funds.
F15Due to the limitations of the electronic filing system certain Reporting Persons are filing a separate Form 4.
F16Information with respect to each of the Reporting Persons is given solely by such Reporting Person, and no Reporting Person has responsibility for the accuracy or completeness of information supplied by another Reporting Person.
F17Each of the Reporting Persons (other than each of the GSO Funds to the extent they directly hold securities of the Issuer), disclaims beneficial ownership of the securities held by each of the GSO Funds, except to the extent of such Reporting Person's pecuniary interest therein, and, pursuant to Rule 16a-1(a)(4) under the Securities Exchange Act of 1934, each of the Reporting Persons (other than each of the GSO Funds to the extent they directly hold securities of the Issuer) states that the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or for any other purpose.
F2GSO Special Situations Fund LP ("Special Situations Fund") directly holds these securities.
F3GSO SSOMF Locomotive Blocker Ltd. ("SSOMF Fund") directly holds these securities. GSO Special Situations Overseas Master Fund Ltd. is the sole shareholder of SSOMF Fund.
F4Steamboat Locomotive Blocker Ltd. ("Steamboat Fund") directly holds these securities. Steamboat Credit Opportunities Intermediate Fund LP is the sole shareholder of Steamboat Fund.
F5GSO ADGM Locomotive Blocker Ltd. ("ADGM Fund") directly holds these securities. GSO Aiguille des Grands Montets Fund I LP, GSO Aiguille des Grands Montets Fund II LP and GSO Aiguille des Grands Montets Fund III LP are the shareholders of ADGM Fund.
F6GSO Cactus Credit Opportunities Fund LP ("Cactus Fund") directly holds these securities.
F7GSO Churchill Partners LP ("Churchill Fund") directly holds these securities.
F8GSO Coastline Credit Partners LP ("Coastline Fund") directly holds these securities.
F9GSO Credit-A Partners LP ("Credit-A Fund") directly holds these securities.