EX-4 2 ex4.htm EXHIBIT 4 ex4.htm
Exhibit 4
 
Joint Filing Agreement
 
In accordance with Rule 13d-1(k) promulgated under the Securities Exchange Act of 1934, as amended, the persons named below agree to the joint filing on behalf of each of them a Statement on Schedule 13D (including amendments thereto) with regard to the common stock of Adeona Pharmaceuticals, Inc., and further agree that this Joint Filing Agreement be included as an exhibit to such joint filings. In evidence thereof, the undersigned, being duly authorized, hereby execute this agreement as of the 12th day of December, 2011.
 
 
       
  /s/ Randal J. Kirk   
  Randal J. Kirk  
     
  INTREXON CORPORATION  
 
       
  By:  /s/ Randal J. Kirk   
   
Randal J. Kirk
  
   
Chief Executive Officer