Ascent v. Slovenia Ascent Resources Plc and Ascent Slovenia Ltd v. Republic of Slovenia (ICSID Case No. ARB/22/21)
United Kingdom

Participating interest of 75% in a joint venture for the development and operation of the Petišovci oil and gas field (with state-owned company Geoenergo); 100% shareholding of local subsidiaries Ascent Resources d.o.o. and Trameta d.o.o.
Claims arising out of the Government’s 2022 mining law amendment banning the use of hydraulic stimulation for the exploration and exploitation of hydrocarbons, as well as an earlier decision to require the claimant’s joint venture to conduct an environmental impact assessment for the use of low-volume hydraulic stimulation at the Petišovci gas field.
Primary: B - Mining and quarrying
6 - Extraction of crude petroleum and natural gas
ICSID (International Centre for Settlement of Investment Disputes)
ICSID (International Centre for Settlement of Investment Disputes)
Fathallah, R.
Reichert, K.
Stern, B.
Data not available
500.00 mln EUR (512.80 mln USD)
Data not available
Indirect expropriation

Fair and equitable treatment/Minimum standard of treatment, including denial of justice claims

Arbitrary, unreasonable and/or discriminatory measures