All notices hereunder will be in writing and sent by certified mail, hand delivery, overnight delivery or fax, if sent to Chardan, to the address set forth on the first page hereof, fax number 646-465-9091, Attention: Jonathan Schechter, and if sent to the Company, to the address on the first page hereof, fax number                      , Attention: Executive Chairman. Notices sent by certified mail shall be deemed received five days thereafter, notices sent by hand delivery or overnight delivery shall be deemed received on the date of the relevant written record of receipt, and notices delivered by fax shall be deemed received as of the date and time printed thereon by the fax machine.