Investor Presentaiton

Exploration and Production Continue to utilize the full potential of current assets & Field development . . Key focus points The Drava-02 exploration program already marked two discoveries, while the already performed and upcoming seismic acquisitions on the newly acquired blocks will be a strong base for future exploration activities Onshore Croatia - continue with the drilling, workovers, relaunching inactive wells, introduce new technologies where applicable and extend EOR* to other oil fields Offshore Croatia - the aim is to continue with field development on North Adriatic assets Opportunistic increase of international portfolio • Selective addition of new assets to maintain a profitable and sustainable international portfolio in the future Moving towards green technology Utilizing existing Croatian onshore assets for Carbon Capture and Storage • Investigating geothermal potential Note: * EOR method involves water alternating CO2 injection in partially depleted mature oil reservoirs where physical and chemical mechanisms result in oil production increase and incremental recovery. 13

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