With reference to the enquiry placed with the PCA by Mr. Marco Simons of EarthRights International by e-mail dated 1 September 2010 and the Petition for Participation as Non-Disputing Parties of Fundación Pachamama and the International Instituted for Sustainable Development dated 22 October 2010, received by e-mail dated 9 November 2010 from Mr. Jonathan Kaufman of EarthRights International (the “Petition”), the Tribunal has instructed me to inform you as follows.