At the end of 2015, the PCA was acting as registry in six inter-state arbitrations. Out of these, two cases involved environmental issues. These were: (1) the Arbitration between the Republic of Croatia and the Republic of Slovenia Relating to Territorial and Maritime Issues and (2) the Republic of Philippines v People’s Republic of China. This case took an interesting turn with the Croatian media reporting a leak of confidential information related to arbitral tribunal deliberations on the issue of the final award. The so-called telephonic conversation between Jernej Sekolec, the arbitrator appointed by Slovenia, and Simona Drenik, agent of Slovenia, was taped and published. It raised serious concerns regarding confidentiality and integrity in the entire arbitration process. It led to the resignation of both the arbitrator and the agent. Nevertheless, in a letter dated 24 July, the Croatian side expressed shock at the untenable behaviour of the Slovenian arbitrator and agent, which tainted the arbitral process. They demanded immediate termination of the arbitration proceedings (<http://www.pcacases.com/web/sendAttach/1313>). In response, in a letter dated 27 July, Slovenia reiterated that the tribunal should fulfil its mandate. With the resignation of arbitrator Sekolec, it became incumbent upon Slovenia, under Article 2 of the Arbitration Agreement (2009), to appoint another arbitrator. On 28 July, Slovenia appointed Judge Ronny Abraham as its arbitrator.
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