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      &lt;font style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"&gt;We

      lease approximately 8,400 square feet of office and

      laboratory space located in Smyrna, Georgia (metropolitan

      Atlanta). Future minimum lease payments pursuant to the 62

      month operating lease total $62,900 for the remainder of 2013

      and $128,920 in 2014.&lt;/font&gt;

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      &lt;font style="FONT-FAMILY: Times New Roman, Times, serif; FONT-SIZE: 10pt"&gt;In

      the normal course of business, we may enter into various firm

      purchase commitments related to production and testing of our

      vaccine material, conduct of our clinical trials, and other

      research-related activities. As of June 30, 2013, we had

      approximately $201,000 of unrecorded outstanding purchase

      commitments to our vendors and subcontractors, all of which

      we expect will be due in 2013.&lt;/font&gt;

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