December 23, 2013 The Secretary-General registers a request for the institution of arbitration proceedings.

February 27, 2014 Following appointment by the Claimants, Stanimir A. Alexandrov (Bulgarian) accepts his appointment as arbitrator.

April 30, 2014 Following appointment by the Respondent, Campbell McLachlan (New Zealand) accepts his appointment as arbitrator.

July 8, 2014 Following appointment by the Chairman of the Administrative Council, John R. Crook (U.S.) accepts his appointment as presiding arbitrator.

July 8, 2014 The Tribunal is constituted in accordance with Article 37(2)(a) of the ICSID Convention. Its members are: John R. Crook (U.S.), President, appointed by the Chairman of the Administrative Council pursuant to the parties’ agreement; Stanimir Alexandrov (Bulgarian), appointed by the Claimants; and Campbell McLachlan (New Zealand), appointed by the Respondent.

September 5, 2014 The Tribunal holds a first session in Washington, D.C.

September 29, 2014 The Tribunal issues Procedural Order No. 1 concerning procedural matters.

October 30, 2014 The Claimants file a memorial on the merits.

November 14, 2014 A non-disputing party files an application pursuant to ICSID Arbitration Rule 37(2).

December 3, 2014 Each party files observations on the non-disputing party’s application.

December 17, 2014 The Tribunal issues a decision on the non-disputing party’s application to file a written submission pursuant to ICSID Arbitration Rule 37(2).

December 22, 2014 The Respondent files a request to address the objections to jurisdiction as a preliminary question.

January 23, 2015 The Claimants file observations on the Respondent’s request to address the objections to jurisdiction as a preliminary question.

February 9, 2015 The Tribunal issues a decision on the Respondent’s request to address the objections to jurisdiction as a preliminary question; as a result, the objections to jurisdiction are joined to the merits of the dispute.

April 6, 2015 The Tribunal communicates the reasoning for its February 9, 2015 decision on the Respondent’s request to address the objections to jurisdiction as a preliminary question.

April 13, 2015 The Respondent files a counter-memorial on the merits and memorial on jurisdiction.

May 26, 2015 The Tribunal issues Procedural Order No. 2 concerning procedural matters.

June 8, 2015 Following exchanges between the parties, the parties file a request for the Tribunal to decide on production of documents.

June 29, 2015 The Tribunal issues Procedural Order No. 3 concerning production of documents.

July 14, 2015 The Respondent files a request for the Tribunal to decide on production of documents.

July 22, 2015 The Claimants file observations on the Respondent’s request for the Tribunal to decide on production of documents.

August 10, 2015 The Tribunal issues Procedural Order No. 4 concerning production of documents and other procedural matters.

September 2, 2015 The Claimants file a request for the Tribunal to decide on production of documents.

September 7, 2015 The Respondent files observations on the Claimants’ request for the Tribunal to decide on production of documents.

September 9, 2015 The Tribunal issues Procedural Order No. 5 concerning production of documents and other procedural matters.

September 18, 2015 The Claimants file a reply on the merits and a counter-memorial on jurisdiction.

September 29, 2015 The Respondent files a request for the Tribunal to decide on production of documents.

October 14, 2015 The Claimants file observations on the Respondent’s request for the Tribunal to decide on production of documents.



The Claimants file a request for the Tribunal to decide on production of documents.

October 26, 2015 The Tribunal issues Procedural Order No. 6 concerning production of documents and other procedural matters.

November 27, 2015 The Respondent files a rejoinder on the merits and reply on jurisdiction.

December 9, 2015 A non-disputing party files an application pursuant to ICSID Arbitration Rule 37(2).

December 16, 2015 Each party files observations on the non-disputing party’s application.

December 21, 2015 The Tribunal issues Procedural Order No. 7 concerning the non-disputing party’s application pursuant to ICSID Arbitration Rule 37(2).

December 23, 2015 The Claimants file a request for the Tribunal to authorize a new written submission and to decide on the admissibility of new evidence.

December 23, 2015 The Claimants file a rejoinder on jurisdiction.

December 30, 2015 The Respondent files observations on the Claimants’ request of December 23, 2015.

December 31, 2015 A non-disputing party files a request for reconsideration of Procedural Order No. 7.

January 8, 2016 The Tribunal issues Procedural Order No. 8 concerning the non-disputing party’s request of December 31, 2015.

January 11, 2016 The Tribunal issues Procedural Order No. 9 concerning the Claimants’ request of 23 December 2015.

January 12, 2016 The Respondent files a request for the Tribunal to decide on the admissibility of new evidence.

January 13, 2016 The President holds a pre-hearing organizational meeting with the parties by telephone conference.



The Tribunal decides on the admissibility of new evidence.

January 14, 2016 The Respondent files a request for the Tribunal to decide on the admissibility of new evidence.

January 19, 2016 The Claimants file observations on the Respondent’s request of January 14, 2016.

January 20, 2016 The Tribunal issues Procedural Order No. 10 concerning the organization of the Hearing.

January 22, 2016 The Claimants file an additional written submission.

January 28, 2016 The Respondent files a request for the Tribunal to decide on the admissibility of new evidence.

February 2, 2016 The Tribunal decides on the admissibility of new evidence.

February 3, 2016 The Claimants file observations on the Respondent’s request of January 28, 2016.

February 3, 2016 The Tribunal issues Procedural Order No. 11 concerning the organization of the Hearing.

February 8, 2016 The Respondent files a request for the Tribunal to decide on the admissibility of new evidence.



The Claimants file observations on the Respondent’s request of February 8, 2016.



The Tribunal decides on the admissibility of new evidence.

February 9, 2016 The Claimants file a request for the Tribunal to decide on the admissibility of new evidence.

February 11, 2016 The Tribunal decides on the admissibility of new evidence.



The Claimants file a request for the Tribunal to decide on the admissibility of new translations.

February 12, 2016 The Respondent files observations on the Claimants' request of February 11, 2016.



The Tribunal decides on the admissibility of new translations.

February 15, 2016 - February 20, 2016 The Tribunal holds a hearing on jurisdiction and the merits in Paris.

April 5, 2016 Each party files a statement of costs.

May 26, 2016 The Respondent files a request for the Tribunal to decide on the admissibility of new evidence.

June 3, 2016 The Claimants file observations on the Respondent’s request of May 26, 2016.

June 9, 2016 The Tribunal decides on the admissibility of new evidence.

June 29, 2016 The Claimants file a request for the Tribunal to decide on the admissibility of new documents.

July 8, 2016 The Respondent files observations on the Claimants' request of June 29, 2016.

August 26, 2016 The Tribunal decides on the Claimants’ request of June 29, 2016.

September 16, 2016 Each party files an updated statement of costs.

November 18, 2016 The Respondent files a request for the Tribunal to decide on the admissibility of new documents.

November 25, 2016 The Claimants file observations on the Respondent’s request of November 18, 2016.

December 8, 2016 The Tribunal decides on the admissibility of new documents.

December 23, 2016 The Respondent files a further submission on its request for the admissibility of new documents of November 18, 2016.

January 6, 2017 The Claimants file observations on the Respondent’s submission of December 23, 2016.

February 23, 2017 The Tribunal decides on the admissibility of new documents.

April 13, 2017 The Tribunal declares the proceeding closed in accordance with ICSID Arbitration Rule 38(1).