Oil and gas company Lansdowne Oil & Gas has embarked on an arbitration battle to pursue its Energy Charter Treaty (ECT) claim against Ireland over the country’s refusal to issue a lease for its North Celtic Sea oil and gas field, which is operated by Barryroe Offshore Energy’s Exola DAC.
After submitting a Request for Arbitration (RFA) regarding it Conflict with Ireland on Barreiro oil and gas field At the International Center for Settlement of Investment Disputes (ICSID) in Washington, D.C., on May 8, 2026, Lansdowne Oil & Gas received written confirmation from ICSID that the Secretary-General of ICSID had registered the application.
The company believes this is an important step in the arbitration process, which will now be followed by the appointment of the arbitration panel. The company intends to continue to aggressively assert its rights under the Energy Charter Treaty in its dispute with Ireland by seeking at least $100 million plus interest.
This comes after the ECT Secretariat announced on 27 April 2026, the receipt of notification of the country’s withdrawal from the Energy Charter Treaty, which will become effective one year after its notification to the Secretariat, with effect from 28 April 2027. However, Ireland will remain committed to 20-year sunset clause; Therefore, her withdrawal from ECT would have no impact on the Lansdowne case.
The company filed notice with Ireland in June 2023 of a dispute under the ECT Act. As a result, submitting and recording the RFA concludes the first formal step in the arbitration process.
Stephen BoldyLansdowne CEO commented: “On behalf of Lansdowne and all of our shareholders, I would like to thank the legal teams from Diamond McCarthy and Mantle Law who worked on issuing the RFA and we look forward to the next steps in the arbitration process in our pursuit of fair compensation for the loss of our Barryroe assets.
“The Company is expected to resume trading on the AIM of the London Stock Exchange on 27 May 2026, subject to shareholders approving the resolutions at the next general meeting on 26 May 2026.”
The Barreiro field is located about 50 kilometers off the southern coast of Ireland, in shallow water about 100 meters deep. Lansdowne holds a 20% stake through its subsidiary Lansdowne Celtic Sea, while the remaining stake is owned by Exola DAC.
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