The Secretary-General registers a request for the institution of arbitration proceedings.

Following appointment by the Claimant, Peter Rees (British) accepts his appointment as arbitrator.

Following appointment by the Respondents, Hélène Ruiz Fabri (French) accepts her appointment as arbitrator.

The Tribunal is constituted in accordance with Article 37(2)(a) of the ICSID Convention.  Its members are: Ucheora Onwuamaegbu (Nigerian/British), President, appointed by the Chairman of the Administrative Council in accordance with Article 38 of the ICSID Convention; Peter Rees (British), appointed by the Claimant; and Hélène Ruiz Fabri (French), appointed by the Respondents.

Following appointment by the Chairman of the Administrative Council in accordance with Article 38 of the ICSID Convention, Ucheora Onwuamaegbu (Nigerian/British) accepts his appointment as presiding arbitrator.

The Tribunal holds a first session by video conference.

The Tribunal issues Procedural Order No. 1 concerning procedural matters.

The Respondents file a request to address the objections to jurisdiction as a preliminary question.

The Claimant files observations on the request to address the objections to jurisdiction as a preliminary question.

The Tribunal issues a decision on the Respondents’ 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.

The Claimant files a memorial on the merits.

The Respondents file a memorial on jurisdiction and a counter-memorial on the merits.

The Claimant files a counter-memorial on jurisdiction and a reply on the merits.

The Respondent files a reply on jurisdiction and a rejoinder on the merits.

The Respondents file a request for the Tribunal to decide on the admissibility of new evidence.

The Claimant files observations on the Respondents’ request of December 16, 2022.

The Tribunal decides on the Respondent’s request of December 16, 2022.

The Tribunal holds a pre-hearing organizational meeting with the parties by video conference.

The Tribunal issues Procedural Order No. 2 concerning the organization of the hearing.

The Respondents file a request for the Tribunal to decide on the admissibility of new evidence.

The Tribunal decides on the Respondents’ request of January 6, 2022.

The Claimant files observations on the Respondents’ request of January 6, 2022.

The Tribunal holds a hearing on jurisdiction and the merits in London.

The Claimant files answers to questions posed by the Tribunal during the hearing.

The Respondents file answers to questions posed by the Tribunal during the hearing and observations on the Claimant’s answers of January 26, 2023.

Each party files a submission on costs.

The Claimant files observations on the Respondents’ answers of February 2, 2023.

The Claimant supplements its submission on costs of February 2, 2023.

The Tribunal issues a decision on jurisdiction and liability.

Following the Tribunal's decision on jurisdiction and liability, the parties jointly file agreed calculations of quantum. 

Following an invitation by the Tribunal to both parties, the Claimant files an updated submission on costs.

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

The Tribunal renders its award.