Security	Conv. / exercise price	Date	Code	Shares	A/D	Exercisable	Expires	Underlying	Underlying shares	Owned after	D/I
Series C Convertible Paricipating Preferred Stock^{F1,F3,F9,F10,F11,F2}	$6.15	Jan 31, 2018	P	41,600	A	Jan 31, 2018	—	Common Stock, $0.001 par value	8,117,073	18,134,353	I
Series C Convertible Paricipating Preferred Stock^{F1,F4,F9,F10,F11,F2}	$6.15	Jan 31, 2018	P	29,600	A	Jan 31, 2018	—	Common Stock, $0.001 par value	5,775,610	12,903,290	I
Series C Convertible Paricipating Preferred Stock^{F1,F5,F9,F10,F11,F2}	$6.15	Jan 31, 2018	P	13,000	A	Jan 31, 2018	—	Common Stock, $0.001 par value	2,536,585	5,666,985	I
Series C Convertible Paricipating Preferred Stock^{F1,F6,F9,F10,F11,F2}	$6.15	Jan 31, 2018	P	6,000	A	Jan 31, 2018	—	Common Stock, $0.001 par value	1,170,731	2,615,532	I
Series C Convertible Paricipating Preferred Stock^{F1,F7,F9,F10,F11,F2}	$6.15	Jan 31, 2018	P	3,000	A	Jan 31, 2018	—	Common Stock, $0.001 par value	585,365	1,307,766	I
Series C Convertible Paricipating Preferred Stock^{F1,F8,F9,F10,F11,F2}	$6.15	Jan 31, 2018	P	6,800	A	Jan 31, 2018	—	Common Stock, $0.001 par value	1,326,829	2,964,269	I

Explanation of responses

F1On January 30, 2018, the Issuer and The Varde Fund XI (Master), L.P. ("Fund XI"), The Varde Fund XII (Master), L.P. ("Fund XII"), The Varde Skyway Master Fund, L.P. ("Skyway Fund"), Varde Investment Partners (Offshore) Master, L.P. ("VIPO"), The Varde Fund VI-A, L.P. ("Fund VI-A") and Varde Investment Partners, L.P. ("VIP") (collectively, the "Purchasers") entered into a Securities Purchase Agreement (the "Securities Purchase Agreement"), pursuant to which on January 31, 2018 (the "Closing Date") the Purchasers purchased 100,000 shares of Series C Preferred Stock, from the Issuer in a private placement.
F10Due to limitations of the electronic filing system, certain Reporting Persons are filing a separate Form 4.
F11Each of the Reporting Persons (other than to the extent it directly holds securities reported herein) disclaims beneficial ownership of the securities held by the other Reporting Persons, 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 to the extent it directly holds 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.
F2The Series C Preferred Stock is perpetual and has no expiration date. The amount reported reflects the amount of shares of Common Stock issuable upon conversion of the Series C Preferred Stock.
F3Reflects securities held directly by Fund XI. The Varde Fund XI G.P., LLC ("Fund XI GP") is the general partner of Fund XI.
F4Reflects securities held directly by Fund XII. The Varde Fund XII G.P., L.P. ("Fund XII GP") is the general partner of Fund XII, and The Varde Fund XII UGP, LLC ("Fund XII UGP") is the general partner of Fund XII GP.
F5Reflects securities held directly by Skyway Fund. The Varde Skyway Fund G.P., LLC ("Skyway Fund GP") is the general partner of Skyway Fund.
F6Reflects securities held directly by VIPO. Varde Investment Partners G.P., LLC ("VIP GP") is the general partner of VIP Offshore.
F7Reflects securities held directly by The Fund VI-A. VIP GP is the general partner of Fund VI-A.
F8Reflects securities held directly by VIP. VIP GP is the general partner of Fund VIP.
F9Varde Partners, L.P. ("Managing Member") is the managing member of each of Fund XI GP, Fund XII UGP, Skyway Fund GP and VIP GP. Varde Partners, Inc. ("General Partner") is the general partner of the Managing Member. Following the transaction described above, George G. Hicks may be deemed to beneficially own all of the securities which may be acquired upon conversion of the Series C Preferred Stock because, as the chief executive officer of the General Partner, he may be deemed to have voting and/or dispositive power over such securities.