The Tribunal holds a first session by telephone conference.

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

The Claimants file a memorial on jurisdiction, liability and quantum.

The Respondent files objections to jurisdiction pursuant to ICSID Arbitration Rule 41(1) and a request to address the objections to jurisdiction as a preliminary question.

The Claimants file observations on the request to address the objections to jurisdiction as a preliminary question.

The Respondent files a reply on the request to address the objections to jurisdiction as a preliminary question.

The Tribunal issues a decision concerning the Respondent’s request to address the objections to jurisdiction as a preliminary question.

The Claimants file a response on the preliminary objections to jurisdiction.

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

The Respondent files a reply on  the preliminary objections to jurisdiction.

The Claimants file a rejoinder on the preliminary objections to jurisdiction.

The Tribunal issues Procedural Order No. 2 concerning procedural matters.

The Tribunal issues Procedural Order No. 3 concerning production of documents.

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

Each party files observations on the non-disputing party’s application.

The Claimants file a reply memorial on jurisdiction, liability and quantum.

The Tribunal issues Procedural Order No. 4 concerning the non-disputing party’s application pursuant to ICSID Arbitration Rule 37(2).

A non-disputing party files a request for reconsideration of Procedural Order No. 4.

The Tribunal issues Procedural Order No. 5 concerning the non-disputing party’s request of December 14, 2018.

The Respondent files a rejoinder on jurisdiction, liability and quantum.

The Tribunal holds a hearing on jurisdiction, liability and quantum in Paris.

The Respondent files a post-hearing brief.

The Claimants file a post-hearing brief.

Each party files a submission on costs.

The Respondent files a request for the Tribunal to suspend the proceeding.

The Claimants file observations on the Respondent’s request of June 18, 2019.

The Tribunal issues a decision on jurisdiction and on the Respondent’s request of June 18, 2019.

The Tribunal holds a hearing on post-hearing briefs in Paris.

The Respondent files a request for reconsideration of the Tribunal's Decision of June 26, 2019.

The Claimants file observations on the Respondent’s request of September 29, 2021.

The Tribunal issues a Decision on the Italian Republic’s Request for Reconsideration of September 29, 2021.

Each party 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; attached to the award is an individual opinion by arbitrator Pierre-Marie Dupuy.

The Acting Secretary-General registers an application for annulment of the award filed by the Italian Republic and notifies the parties of the provisional stay of enforcement of the award.

The ad hoc Committee is constituted in accordance with Article 52(3) of the ICSID Convention.  Its members are: Michael Nolan (U.S.), President; Eva Kalnina (Latvian); and Carita Wallgren-Lindholm (Finnish); all members appointed by the Chairman of the Administrative Council.

The ad hoc Committee holds a first session by video conference.

Italian Republic files a request to continue the stay of enforcement of the award.

The ad hoc Committee issues Procedural Order No. 1 concerning procedural matters.

Rockhopper Italia S.p.A., Rockhopper Mediterranean Ltd, and Rockhopper Exploration file observations on the Italian Republic’s request to continue the stay of enforcement of the award.

Italian Republic files a response on Rockhopper Italia S.p.A., Rockhopper Mediterranean Ltd, and Rockhopper Exploration Plc’s observations of February 7, 2023.

Rockhopper Italia S.p.A., Rockhopper Mediterranean Ltd, and Rockhopper Exploration Plc file a rejoinder on the Italian Republic’s request to continue the stay of enforcement of the award.

The ad hoc Committee holds a hearing on the stay of enforcement of the award.

The ad hoc Committee issues a decision on concerning the continuation of the stay of enforcement of the award.

Italian Republic files a memorial on annulment.

The ad hoc Committee issues Procedural Order No. 2 concerning the termination of the stay of enforcement of the award.

Rockhopper Italia S.p.A., Rockhopper Mediterranean Ltd, and Rockhopper Exploration Plc file a counter-memorial on annulment.

Italian Republic files a Reply on annulment.

The ad hoc Committee issues Procedural Order No. 3 concerning procedural matters.

Rockhopper Italia S.p.A., Rockhopper Mediterranean Ltd, and Rockhopper Exploration Plc file a rejoinder on annulment.

The ad hoc Committee issues Procedural Order No. 4 on the organization of the hearing.

The ad hoc Committee holds a hearing on annulment in Madrid.

Each party files a post hearing brief.

Each Party files a submission on costs.

A non-disputing party files an application to file a written submission pursuant to ICSID Arbitration Rule 37(2).

Each party files observations on the non-disputing party’s application.

The ad hoc Committee issues a decision on the non-disputing party’s application to file a written submission pursuant to ICSID Arbitration Rule 37(2).