Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock, $0.001 par value^F1,F2,F4	Feb 27, 2018	J	5,123,733	—	A	5,996,710	I	By Black Horse Capital LP
Common Stock, $0.001 par value^F1,F2,F5	Feb 27, 2018	J	11,957,369	—	A	13,997,832	I	By Black Horse Capital Master Fund Ltd.
Common Stock, $0.001 par value^F1,F2,F6	Feb 27, 2018	J	12,812,322	—	A	14,847,640	I	By Cheval Holdings, Ltd.
Common Stock, $0.001 par value^F1,F3,F6	Feb 27, 2018	P	32,028,669	$0.0937	A	46,876,309	I	By Cheval Holdings, Ltd.

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1This Form 4 is filed jointly by Black Horse Capital LP (the "Domestic Fund"), Black Horse Capital Master Fund Ltd. (the "Offshore Fund"), Cheval Holdings, Ltd. ("Cheval"), Black Horse Capital Management LLC ("BH Management") and Dale Chappell (collectively, the "Reporting Persons"). Each of the Reporting Persons may be deemed to be a member of a Section 13(d) group that may be deemed to collectively beneficially own more than 10% of the Issuer's outstanding shares of Common Stock. Each of the Reporting Persons disclaims beneficial ownership of the securities reported herein except to the extent of his or its pecuniary interest therein. The filing of this Form 4 shall not be deemed an admission that the Reporting Persons are, for purposes of Section 13(d) of the Securities Exchange Act of 1934, as amended, the beneficial owners of any securities of the Issuer he or it does not directly own.
F2Securities issued to holder pursuant to a Securities Purchase and Loan Satisfaction Agreement (the "Purchase and Satisfaction Agreement") in connection with the full satisfaction of an approximately $16.3 million term loan, including accrued interest and fees.
F3Securities purchased by Cheval pursuant to the Purchase and Satisfaction Agreement.
F4Securities owned directly by the Domestic Fund. BH Management, as the managing general partner of the Domestic Fund, may be deemed to beneficially own the securities owned directly by the Domestic Fund. Dale Chappell, as the managing member of BH Management, may be deemed to beneficially own the securities owned directly by the Domestic Fund.
F5Securities owned directly by the Offshore Fund. Dale Chappell, as the controlling person of the Offshore Fund, may be deemed to beneficially own the securities owned directly by the Offshore Fund.
F6Securities owned directly by Cheval. Each of BH Management, by virtue of having been granted by the Board of Directors of Cheval the power to manage the securities of the Issuer owned by Cheval, and Dale Chappell, as the managing member of BH Management, may be deemed to beneficially own the securities owned directly by Cheval.