Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Warrant^{F1,F3,F5,F6,F7}	$24.00	Jan 30, 2018	P	34,205	A	Jan 30, 2018	Apr 21, 2020	Common Stock, par value $0.01 ("Common Stock")	34,205	205,232	D
Warrant^{F2,F4,F5,F6,F7}	$24.00	Jan 30, 2018	P	15,795	A	Jan 30, 2018	Apr 21, 2020	Common Stock	15,795	94,768	I

Explanation of responses

F1These shares of Common Stock are held by Centerbridge Credit Partners Master AIV IV, L.P. ("CCPM AIV").
F2These shares of Common Stock are held by Centerbridge Special Credit Partners II AIV III, L.P. ("Special Credit Partners II AIV" and together with CCPM AIV, the "Centerbridge Funds").
F3Centerbridge Credit Partners Offshore General Partner, L.P. ("Offshore GP") is the general partner of CCPM AIV, and, as such, it may be deemed to beneficially own the securities held by CCPM AIV. Centerbridge Credit Cayman GP Ltd. ("Credit GP ") is the general partner of Offshore GP, and, as such, it may be deemed to beneficially own the securities held by CCPM AIV
F4Centerbridge Special Credit Partners General Partner II, L.P., ("CSCPGP II") is the general partner of Special Credit Partners II AIV and, as such, it may be deemed to beneficially own the securities held by Special Credit Partners II AIV. CSCP II Cayman GP Ltd. ("CSCP II Cayman Ltd.") is the general partner of CSCPGP II, and, as such, it may be deemed to beneficially own the securities held by Special Credit Partners II AIV.
F5Mark T. Gallogly and Jeffrey H. Aronson, indirectly, through various intermediate entities control each of the Centerbridge Funds, and, as such, Mark T. Gallogly and Jeffrey H. Aronson may be deemed to beneficially own the securities held by the Centerbridge Funds.
F6For purposes of this filing, "Reporting Persons" means, as applicable, CCPM AIV, Special Credit Partners II AIV, Offshore GP, Credit GP, CSCPGP II, CSCP II Cayman Ltd., Mr. Aronson, and Mr. Gallogly.
F7The filing of this statement by the Reporting Persons shall not be deemed to be an admission that, for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or otherwise, such Reporting Persons are the beneficial owners of the securities reported herein and each of the Reporting Persons expressly disclaims beneficial ownership of the securities reported herein for purposes of Section 16 of the Securities Act, except to the extent of such Reporting Person's pecuniary interest therein.

Remarks

To enable all of the Reporting Persons to gain access to the Securities and Exchange Commission's electronic filing system (which only accepts a maximum of 10 joint filers per report), this report is the first of two identical reports relating to the same transaction being filed with the Securities and Exchange Commission.