This Amended Notice of Arbitration and Statement of Claim is submitted on behalf of TCW Group, Inc., and Dominican Energy Holdings, L.P. in accordance with Chapter 10 of the Central America-Dominican Republic-United States Free Trade Agreement, which entered into force on March 1, 2007. See Exhibit 1. The Respondent, the Government of the Dominican Republic, has consented to resolve its dispute with the Claimants via arbitration pursuant to Article 10.17 of CAFTA-DR.