Note 6—Acquisition Obligation

On March 24, 2011, the Company recorded an acquisition obligation for amounts due to Inovio in accordance with the Asset Purchase Agreement (see Note 5).  On September 28, 2011, the Company entered into a First Amendment to Asset Purchase Agreement (the “First Amendment”).  The First Amendment modified the payment of $750,000 due to Inovio by September 24, 2011, requiring the Company to make a payment of $100,000 to Inovio on September 30, 2011, with the remaining $650,000 to be paid to Inovio on or before March 31, 2012.  On March 24, 2012, the Company entered into a Second Amendment to Asset Purchase Agreement (the “Second Amendment”).  The Second Amendment further modified the payment terms for the $1,150,000 scheduled payments due to Inovio in March 2012 by requiring the Company to make a payment of $150,000 on March 31, 2012, with the remaining $1,000,000 to be paid to Inovio on December 31, 2013.  As consideration for the First Amendment, the Company issued to Inovio a warrant to purchase 50,000 shares of common stock.  As consideration for the Second Amendment, the Company issued to Inovio a warrant to purchase 150,000 shares of common stock.

The scheduled payments for the $3,000,000 obligation under this arrangement, as amended, were as follows:

$  250,000 - Upon the closing of the Asset Purchase Agreement

$  100,000 - September 30, 2011

$  150,000 - March 31, 2012

$  500,000 - September 24, 2012

$ 1,000,000 - March 31, 2013

$ 1,000,000 - December 31, 2013

The Company has made all scheduled payments under this arrangement.