On 5 October 2022, the Secretary-General of the Energy Charter Secretariat, Mr Guy Lentz, and the Deputy Secretary-General, Ms Atsuko Hirose, met with Ambassador Mr. Yasushi Yamamoto, Deputy Chief of Mission, Mr. Daisuke Okabe, Minister, and Mr. Akiyoshi Kawabata, Counsellor, of the Mission of Japan to the European Union.

The parties discussed issues related to the modernisation of the Energy Charter Treaty (ECT) and preparations for the Energy Charter Conference in Mongolia in November 2022. Both parties agreed to fully cooperate towards the adoption of the amendments to the ECT.