Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Call Right (Obligation to Sell)^{F1,F2,F5,F14,F15,F16,F17,F18,F19,F3}	—	Feb 12, 2015	J	9,885	D	Feb 12, 2015	—	Common Stock	4,452,840	9,885	I
Call Right(Obligation to Buy)^{F1,F2,F5,F14,F15,F16,F17,F18,F19,F4}	—	Feb 12, 2015	J	4,452,840	A	Feb 12, 2015	—	Common Stock	4,452,840	4,452,840	I
Call Right (Obligation to Sell)^{F1,F2,F6,F14,F15,F16,F17,F18,F19,F3}	—	Feb 12, 2015	J	3,840	D	Feb 12, 2015	—	Common Stock	1,729,863	3,840	I
Call Right(Obligation to Buy)^{F1,F2,F6,F14,F15,F16,F17,F18,F19,F4}	—	Feb 12, 2015	J	1,729,863	A	Feb 12, 2015	—	Common Stock	1,729,863	1,729,863	I
Call Right (Obligation to Sell)^{F1,F2,F7,F14,F15,F16,F17,F18,F19,F3}	—	Feb 12, 2015	J	3,843	D	Feb 12, 2015	—	Common Stock	1,731,140	3,843	I
Call Right (Obligation to Buy)^{F1,F2,F7,F14,F15,F16,F17,F18,F19,F4}	—	Feb 12, 2015	J	1,731,140	A	Feb 12, 2015	—	Common Stock	1,731,140	1,731,140	I
Call Right (Obligation to Sell)^{F1,F2,F8,F14,F15,F16,F17,F18,F19,F3}	—	Feb 12, 2015	J	12,991	D	Feb 12, 2015	—	Common Stock	5,852,021	12,991	I
Call Right (Obligation to Buy)^{F1,F2,F8,F14,F15,F16,F17,F18,F19,F4}	—	Feb 12, 2015	J	5,852,021	A	Feb 12, 2015	—	Common Stock	5,852,021	5,852,021	I
Call Right (Obligation to Sell)^{F1,F2,F9,F13,F15,F16,F17,F18,F19,F3}	—	Feb 12, 2015	J	6,667	D	Feb 12, 2015	—	Common Stock	3,003,003	6,667	I
Call Right (Obligation to Buy)^{F1,F2,F9,F13,F15,F16,F17,F18,F19,F4}	—	Feb 12, 2015	J	3,003,003	A	Feb 12, 2015	—	Common Stock	3,003,003	3,003,003	I
Call Right (Obligation to Sell)^{F1,F2,F10,F13,F15,F16,F17,F18,F19,F3}	—	Feb 12, 2015	J	16,122	D	Feb 12, 2015	—	Common Stock	7,262,046	16,122	I
Call Right (Obligation to Buy)^{F1,F2,F10,F13,F15,F16,F17,F18,F19,F4}	—	Feb 12, 2015	J	7,262,046	A	Feb 12, 2015	—	Common Stock	7,262,046	7,262,046	I
Call Right (Obligation to Sell)^{F1,F2,F11,F14,F15,F16,F17,F18,F19,F3}	—	Feb 12, 2015	J	28,751	D	Feb 12, 2015	—	Common Stock	12,951,069	28,751	I
Put Right (Obligation to Buy)^{F1,F2,F11,F14,F15,F16,F17,F18,F19,F4}	—	Feb 12, 2015	J	12,951,069	A	Feb 12, 2015	—	Common Stock	12,951,069	12,951,069	I
Call Right (Obligation to Sell)^{F1,F2,F12,F14,F15,F16,F17,F18,F19,F3}	—	Feb 12, 2015	J	17,900	D	Feb 12, 2015	—	Common Stock	8,063,063	17,900	I
Put Right (Obligation to Buy)^{F1,F2,F12,F14,F15,F16,F17,F18,F19,F4}	—	Feb 12, 2015	J	8,063,063	A	Feb 12, 2015	—	Common Stock	8,063,063	8,063,063	I

Explanation of responses

F1On April 9, 2014, the Issuer, GSO Capital Partners LP and the GSO Funds (as defined below) entered into a Subscription Agreement (the "Subscription Agreement") to purchase Series E Convertible Preferred Stock of the Issuer (the "Purchased Shares"). On February 12, 2015, in connection with the amendment of other transaction documents related to the Subscription Agreement, the above mentioned parties entered into Amendment No. 1 to the Subscription Agreement (the Subscription Agreement, as so amended, the "Amended Subscription Agreement"). Pursuant to Amendment No. 1, the Amended Subscription Agreement provides that, subject to certain conditions, at any time after February 12, 2015, in the Issuer's sole discretion, the Issuer has the right to purchase all, but not less than all, of the Purchased Shares from the purchasers.
F10GSO Credit-A Partners LP directly holds these securities. GSO Credit-A Associates LLC is the general partner of GSO Credit-A Partners LP.
F11GSO Special Situations Fund LP directly holds these securities.
F12GSO Special Situations Overseas Master Fund Ltd directly holds these securities (GSO Special Situations Overseas Master Fund Ltd, together with GSO Cactus Credit Opportunities Fund LP, Steamboat Credit Opportunities Master Fund LP, GSO Coastline Credit Partners LP, GSO Aiguille des Grands Montets Fund II LP, GSO Palmetto Opportunistic Investment Partners LP, GSO Credit-A Partners LP and GSO Special Situations Fund LP, the "GSO Funds").
F13GSO Holdings I L.L.C. is the managing member of each of GSO Palmetto Opportunistic Associates LLC and GSO Credit-A Associates LLC.
F14GSO Capital Partners LP serves as the investment manager of each of GSO Cactus Credit Opportunities Fund LP, Steamboat Credit Opportunities Master Fund LP, GSO Coastline Credit Partners LP, GSO Aiguille des Grands Montets Fund II LP, GSO Special Situations Fund LP and GSO Special Situations Overseas Master Fund Ltd. GSO Advisor Holdings L.L.C. is the general partner of GSO Capital Partners LP.
F15Blackstone Holdings I L.P. is a managing member of each of GSO Holdings I L.L.C. and the sole member of GSO Advisor Holdings L.L.C. Blackstone Holdings I/II GP Inc. is the general partner of Blackstone Holdings I 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.
F16In addition, each of Bennett J. Goodman, J. Albert Smith III and Douglas I. Ostrover may be deemed to have shared voting power and/or investment power with respect to the securities held by the GSO Funds. Mr. Ostrover is a member of the board of directors of the Issuer (3) GSO Cactus Credit Opportunities Fund LP directly holds these securities.
F17Due to the limitations of the electronic filing system, GSO Cactus Credit Opportunities Fund LP, Steamboat Credit Opportunities Master Fund LP, GSO Coastline Credit Partners LP, GSO Aiguille des Grands Montets Fund II LP, GSO Palmetto Opportunistic Investment Partners LP, GSO Credit-A Partners LP, GSO Special Situations Fund LP, GSO Special Situations Overseas Master Fund Ltd, GSO Palmetto Opportunistic Associates LLC, GSO Credit-A Associates LLC and Douglas I. Ostrover are filing separate Forms 4.
F18Information 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.
F19Each of the Reporting Persons (other than each of GSO Funds to the extent they directly hold securities reported herein), 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 reported herein) 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.
F2Upon exercise of its call right described in Footnote 1 above, the Issuer shall purchase the Purchased Shares in exchange for (a) $1,000 in cash per Purchased Share (as adjusted for any stock splits, stock dividends, recapitalizations or the like), plus any accrued and unpaid dividends thereon and (b) warrants exercisable for the number of shares of the Issuer's common stock ("Common Stock") equal to the number of shares of Common Stock into which such purchaser's Purchased Shares are then convertible ("Repurchase Warrants"). If issued, the Repurchase Warrants will have an exercise price equal to the conversion price of the Purchased Shares (the "Conversion Price"), which is $2.22 per share (subject to appropriate adjustment for stock splits, dividends, combinations, recapitalizations and the like).
F3Reflects the shares of Common Stock underlying the Series E Convertible Preferred Stock relating to the call right.
F4Reflects the shares of Common Stock underlying the Repurchase Warrants relating to the call right.
F5GSO Cactus Credit Opportunities Fund LP directly holds these securities.
F6Steamboat Credit Opportunities Master Fund LP directly holds these securities.
F7GSO Coastline Credit Partners LP directly holds these securities.
F8GSO Aiguille des Grands Montets Fund II LP directly holds these securities.
F9GSO Palmetto Opportunistic Investment Partners LP directly holds these securities. GSO Palmetto Opportunistic Associates LLC is the general partner of GSO Palmetto Opportunistic Investment Partners LP.