Case Details

Orano Mining SAS v. Republic of Niger (ICSID Case No. ARB/25/9)

Subject of Dispute:

Mining Concession
Economic Sector:

Oil, Gas & Mining
Instrument(s) Invoked:

Contract
Applicable Rules:

ICSID Convention - Arbitration Rules

(a) Original Proceeding

Claimant(s)/Nationality(ies):

Orano Mining SAS (French)
Respondent(s):

Republic of Niger (Nigerien)
Date Registered:

March 5, 2025
Date of Constitution of Tribunal:

August 13, 2025

Composition of Tribunal

President:

Andrea CARLEVARIS (Italian) - Appointed by Co-Arbitrators
Arbitrators:

Daniel MAINGUY (French) - Appointed by the Claimant(s)
Sibidi Emmanuel DARANKOUM (Burkinabe, Canadian) - Appointed by the Respondent(s)

Party Representatives

Claimant(s):

Clay Arbitration, Paris, France
Respondent(s):

Audit Duprey Fekl, Paris, France
Cabinet d’Avocats ABBA, Pessac, France
Ministère des Mines, Niamey, Niger
Agence Judiciaire de l’État, Niamey, Niger
Status of Proceeding:

Pending
Latest Development:

December 16, 2025 - The Tribunal issues Procedural Order No. 1 concerning procedural matters.

No References Available.

(a) Original Proceeding

Date	Development
March 5, 2025	The Secretary-General registers a request for the institution of arbitration proceedings.
April 28, 2025	Following appointment by the Claimant, Daniel Mainguy (French) accepts his appointment as arbitrator.
April 30, 2025	Following appointment by the Respondent, Sibidi Emmanuel Darankoum (Burkinabe/Canadian) accepts his appointment as arbitrator.
August 12, 2025	Following appointment by his co-arbitrators pursuant to the parties’ agreement, Andrea Carlevaris (Italian) accepts his appointment as presiding arbitrator.
August 13, 2025	The Tribunal is constituted in accordance with Article 37(2)(a) of the ICSID Convention. Its members are: Andrea Carlevaris (Italian), President, appointed by his co-arbitrators pursuant to the parties’ agreement; Daniel Mainguy (French), appointed by the Claimant; and Sibidi Emmanuel Darankoum (Burkinabe/Canadian), appointed by the Respondent.
September 6, 2025	The Respondent files a proposal for disqualification of arbitrator Daniel Mainguy. The proceeding is suspended in accordance with ICSID Arbitration Rule 9(6).
September 10, 2025	The Claimant files observations on the proposal for disqualification.
September 22, 2025	The arbitrator furnishes explanations regarding the proposal for disqualification in accordance with ICSID Arbitration Rule 9(3).
September 24, 2025	The Respondent files further observations on the proposal for disqualification.
September 27, 2025	The Claimant files further observations on the proposal for disqualification.
November 3, 2025	The proposal for disqualification of arbitrator Daniel Mainguy is declined by the co-arbitrators. The proceeding is resumed pursuant to ICSID Arbitration Rule 9(6).
December 9, 2025	The Tribunal holds a first session by video conference.
December 10, 2025	The Claimant files a request for provisional measures.
December 16, 2025	The Tribunal issues Procedural Order No. 1 concerning procedural matters.