Security	Date	Code	Shares	Price	A/D	Owned after	D/I	Nature of ownership
Common Stock^F1,F2,F6,F7	Dec 7, 2016	L	120,000	$0.0532	A	66,081,895	I	See Footnotes
Common Stock^F1,F3,F6,F7	Dec 8, 2016	L	25,000	$0.0599	A	66,106,895	I	See Footnotes
Common Stock^F1,F6,F7	Dec 9, 2016	L	10,000	$0.0698	A	66,116,895	I	See Footnotes
Common Stock^F1,F4,F6,F7	Dec 19, 2016	P	100,000	$0.0659	A	66,216,895	I	See Footnotes
Common Stock^F1,F5,F6,F7	Dec 20, 2016	P	75,000	$0.0695	A	66,291,895	I	See Footnotes

Table II — derivative securities

No Table II lines on this filing.

Explanation of responses

F1Shares of common stock were purchased directly by Lazarus Israel Opportunities Fund II LLLP ("Lazarus Israel II").
F2The Price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.0499 to $0.06, inclusive. The Reporting Persons undertake to provide the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
F3The Price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.0598 to $0.06, inclusive. The Reporting Persons undertake to provide the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
F4The Price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.0689 to $0.07, inclusive. The Reporting Persons undertake to provide the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
F5The Price reported in Column 4 is a weighted average price. These shares were purchased in multiple transactions at prices ranging from $0.069 to $0.0698, inclusive. The Reporting Persons undertake to provide the Issuer, any security holder, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the range set forth in this footnote.
F6This form is filed jointly by Lazarus Management Company LLC ("Lazarus Management"), Justin B. Borus, Lazarus Israel Opportunities Fund LLLP ("Lazarus Israel I"), Lazarus Israel II and Lazarus Investment Partners LLLP ("Lazarus Partners" and together with Lazarus Israel I and Lazarus Israel II, the "Funds"). The securities reported herein are owned directly by the Funds as follows: (i) Lazarus Israel I owns 42,218,018 shares of common stock and 12,500,000 warrants; (ii) Lazarus Israel II owns 15,273,401 shares of common stock and 2,727,273 warrants; and (iii) Lazarus Partners owns 8,800,476 shares of common stock and 2,272,728 warrants. Lazarus Management is the investment adviser of the Funds, the general partner of Lazarus Partners, and Mr. Borus is the manager of Lazarus Management. Lazarus GP LLC ("Lazarus GP") is the general partner of Lazarus Israel I and Lazarus Israel II and Mr. Borus is the manager of Lazarus GP.
F7Each of Lazarus Management and Mr. Borus expressly disclaims beneficial ownership of the securities held by the Funds except to the extent of his or its pecuniary interest therein. Each of the Funds expressly disclaims beneficial ownership of the shares held by the other Funds. The filing of this Form 4 shall not be construed as an admission that either Lazarus Management or Mr. Borus, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, is the beneficial owner of any of the securities reported herein.