Case Details

PanAfrican Energy Tanzania Limited v. United Republic of Tanzania and Tanzania Petroleum Development Corporation (ICSID Case No. ARB/25/43)

Subject of Dispute:

Exploration and production of oil and natural gas
Economic Sector:

Oil, Gas & Mining
Instrument(s) Invoked:

Contract
Applicable Rules:

ICSID Convention - Arbitration Rules

(a) Original Proceeding

Claimant(s)/Nationality(ies):

PanAfrican Energy Tanzania Limited (British)
Respondent(s):

United Republic of Tanzania (Tanzanian), Tanzania Petroleum Development Corporation (Tanzanian)
Date Registered:

August 28, 2025
Date of Constitution of Tribunal:

February 11, 2026

Composition of Tribunal

President:

Niuscha BASSIRI (German, Iranian) - Appointed by the Parties
Arbitrators:

Cavinder BULL (Singaporean) - Appointed by the Claimant(s)
Mohamed S. ABDEL WAHAB (Egyptian) - Appointed by the Respondent(s)

Party Representatives

Claimant(s):

Boies Schiller Flexner, London, U.K. and Washington D.C., U.S.A.
Respondent(s):

Office of the Attorney General, Dodoma, Tanzania
Office of the Solicitor General, Dar es Salaam, Tanzania
Status of Proceeding:

Pending
Latest Development:

May 7, 2026 - The Tribunal holds a first session by video conference.

No References Available.

(a) Original Proceeding

Date	Development
August 28, 2025	The Acting Secretary-General registers a request for the institution of arbitration proceedings.
December 22, 2025	Following appointment by the Claimant, Cavinder Bull (Singaporean) accepts his appointment as arbitrator.
December 22, 2025	Following appointment by the Respondents, Mohamed S. Abdel Wahab (Egyptian) accepts his appointment as arbitrator.
February 10, 2026	Following appointment by agreement of the parties, Niuscha Bassiri (German/Iranian) accepts her appointment as presiding arbitrator.
February 11, 2026	The Tribunal is constituted in accordance with Article 37(2)(a) of the ICSID Convention. Its members are: Niuscha Bassiri (German/Iranian), President, appointed by agreement of the parties; Cavinder Bull (Singaporean), appointed by Claimant; and Mohamed Abdel Wahab (Egyptian), appointed by Respondents.
May 7, 2026	The Tribunal holds a first session by video conference.