Within fifteen (15) days after receipt of such notice, the sale and purchase of the Option Shares under this Agreement shall take place at the offices of Saul Ewing LLP, 1919 Pennsylvania Avenue N.W., Suite 550, Washington, D.C. at such date and time as mutually agreed. At the closing, Seller shall deliver to the Purchaser a certificate for the Option Shares, registered in the name of the Purchaser, against payment to the Seller of the Option Purchase Price for the Option Shares, by wire transfer, check, or other method acceptable to the Company.