“Our estimate, confirmed by auditors, indicate an amount of around EUR600 million,” Gheorghe told a news conference.

Under the privatization deal, the Romanian authorities agreed to reimburse Petrom for ecological works at its units. The works include decontamination projects and dismantling of abandoned wells.

So far this year, OMV Petrom requested the reimbursement of EUR22.5 million for works at Doljchim chemical plant and Petrobrazi refinery.

OMV Petrom is 51.01%-owned by Austrian group OMV. The Economy Ministry holds a 20.63% stake in the company, while investment fund Fondul Proprietatea (FP.RO) owns 20.11%.