Description of Registrant’s Securities to be Registered

Incorporated by reference is the “Description of Securities” section of the Registrant’s Registration Statement on Form S-1 filed with the Securities and Exchange Commission on February 14, 2012, as amended on April 6, 2012, May 21, 2012, June 11, 2012, June 18, 2012 and June 25, 2012 or as subsequently amended (Registration No. 333-179500) (the “Registration Statement”). Also incorporated by reference is any form of prospectus subsequently filed by the Registrant with the Securities and Exchange Commission pursuant to Rule 424(b) under the Securities Act of 1933, as amended, that constitutes part of the Registration Statement.

Additionally, the Registrant has selected the Court of Chancery of the State of Delaware to be the exclusive forum for resolving disputes against the Registrant with respect to (i) any derivative action or proceeding brought on behalf of the Registrant, (ii) any action asserting a claim of breach of a fiduciary duty owed by any director, officer or other employee of the Registrant to the Registrant or the Registrant’s stockholders, (iii) any action asserting a claim against the Registrant arising pursuant to any provision of the Delaware General Corporation Law or the Registrant’s Amended and Restated Certificate of Incorporation or Bylaws or (iv) any action asserting a claim against the Registrant governed by the internal affairs doctrine, in each such case subject to said Court of Chancery having personal jurisdiction over the indispensible parties named as defendants therein.