Common use of Warrant Coverage Clause in Contracts

Warrant Coverage. In consideration of the extension of the Commitment Period under Section 1.2 and the Maturity Date under Section 1.4 pursuant to Section 2.1 above, additional Warrants (together, the “Further 2013 Extension Warrants”) to purchase an aggregate number of shares of Common Stock equal to (a)(i) $3,000,000 multiplied by (ii) 2.5% divided by (b) the Extension Exercise Price shall be issued to the Lenders, with each Lender entitled to receive a pro rata number of such Further 2013 Extension Warrants based on the portion of the Committed Funds to be loaned by each such Lender. Such Further 2013 Extension Warrants shall be in the form attached as Exhibit A hereto and shall have an Exercise Price equal to the Extension Exercise Price.

Warrant Coverage. In consideration of the extension of the Commitment Period under Section 1.2 and the Maturity Date under Section 1.4 pursuant to Section 2.1 above, additional Warrants (together, the “Further 2013 May 2012 Extension Warrants”) to purchase an aggregate number of 609,756 shares of Common Stock equal to (a)(i) $3,000,000 multiplied by (ii) 2.5% divided by (b) the Extension Exercise Price shall be issued to the Lenders, with each Lender entitled to receive a pro rata number of such Further 2013 May 2012 Extension Warrants based on the portion of the Committed Funds to be loaned by each such Lender. Such Further 2013 May 2012 Extension Warrants shall be in the form attached as Exhibit A hereto and shall have an Exercise Price equal to the Extension Exercise Price.

Warrant Coverage. In consideration of the extension of the Commitment Period under Section 1.2 and the Maturity Date under Section 1.4 pursuant to Section 2.1 above, additional Warrants (together, the “Further 2013 "April 2012 Extension Warrants”") to purchase an aggregate number of 757,346 shares of Common Stock equal to (a)(i) $3,000,000 multiplied by (ii) 2.5% divided by (b) the Extension Exercise Price shall be issued to the Lenders, with each Lender entitled to receive a pro rata number of such Further 2013 April 2012 Extension Warrants based on the portion of the Committed Funds to be loaned by each such Lender. Such Further 2013 April 2012 Extension Warrants shall be in the form attached as Exhibit A hereto and shall have an Exercise Price equal to the Extension Exercise Price.

Warrant Coverage. In consideration of the extension of the Commitment Period under Section 1.2 and the Maturity Date under Section 1.4 pursuant to Section 2.1 above, additional Warrants (together, the “Further 2013 2012 Extension Warrants”) to purchase an aggregate number of 800,000 shares of Common Stock equal to (a)(i) $3,000,000 multiplied by (ii) 2.5% divided by (b) the Extension Exercise Price shall be issued to the Lenders, with each Lender entitled to receive a pro rata number of such Further 2013 2012 Extension Warrants based on the portion of the Committed Funds to be loaned by each such Lender. Such Further 2013 2012 Extension Warrants shall be in the form attached as Exhibit A hereto and shall have an Exercise Price equal Equal to the Extension Exercise Price.

Warrant Coverage. In consideration of the extension of the Commitment Period under Section 1.2 and the Maturity Date under Section 1.4 pursuant to Section 2.1 above, additional Warrants (together, the “Further 2013 Extension Warrants”) to purchase an aggregate number of shares of Common Stock equal to (a)(i) $3,000,000 multiplied by (ii) 2.57.5% divided by (b) the Extension Exercise Price shall be issued to the Lenders, with each Lender entitled to receive a pro rata number of such Further 2013 Extension Warrants based on the portion of the Committed Funds to be loaned by each such Lender. Such Further 2013 Extension Warrants shall be in the form attached as Exhibit A hereto and shall have an Exercise Price equal to the Extension Exercise Price.

Warrant Coverage. In consideration of the extension of the Commitment Period under Section 1.2 and the Maturity Date under Section 1.4 pursuant to Section 2.1 above, additional Warrants (together, the “Further 2013 Extension Warrants”) to purchase an aggregate number of 2,343,053 shares of Common Stock equal to (a)(i) $3,000,000 multiplied by (ii) 2.5% divided by (b) the Extension Exercise Price shall be issued to the Lenders, with each Lender entitled to receive a pro rata number of such Further 2013 Extension Warrants based on the portion of the Committed Funds to be loaned by each such Lender. Such Further 2013 Extension Warrants shall be in the form attached as Exhibit A hereto and shall have an Exercise Price equal to the Extension Exercise Price.