On the Closing Date, (a) each Purchaser shall pay to the Company its Unit Purchase Price in United States dollars and in immediately available funds, by wire transfer to the Company’s account as set forth in instructions previously delivered to each Purchaser, (b) the Company shall irrevocably instruct the Transfer Agent to deliver, on an expedited basis, to each Purchaser, either in book entry form in the Direct Registration System or in the form of a stock certificate, as set forth on the Stock Registration Questionnaire included as Exhibit C , the number of Unit Shares set forth opposite such Purchaser’s name on Exhibit A hereto, and (c) the Company shall issue to each Purchaser a warrant substantially in the form attached hereto as Exhibit B (each a “ Warrant ” and collectively, the “ Warrants ”) pursuant to which such Purchaser shall have the right to acquire the number of Warrant Shares set forth opposite such Purchaser’s name on Exhibit A hereto, and in the case of clauses (b) and (c), duly executed on behalf of the Company and registered in the name of such Purchaser as set forth on the Stock Registration Questionnaire included as Exhibit C . The Warrants issued and sold at the Closing shall have an initial exercise price equal to the Warrant Exercise Price.