Counterpart to Registration Rights Agreement May 28, 2014

The undersigned hereby absolutely, unconditionally and irrevocably agrees as a Guarantor, as defined in the Registration Rights Agreement, dated May 6, 2014 by and among Endo Finance LLC, a Delaware limited liability company and Endo Finco Inc., a Delaware corporation, the Guarantors party thereto, RBC Capital Markets, LLC and Deutsche Bank Securities Inc., relating to the 7.00% Senior Notes due 2020, to be bound by the terms and provisions of such Registration Rights Agreement.