Orynbassarov didn’t give a reason for his resignation. According to the oil refinery, he will continue working for Kazakh state-run oil and gas company KazMunayGas, the sole owner of the Rompetrol Group.

Azamat Zhangulov, vice-president of the Rompetrol Group, will act as board chairman of Rompetrol Rafinare in an interim capacity.

Rompetrol Group NV is the second largest oil refining and distribution group in Romania. Headquartered in Amsterdam, the Netherlands, the group has assets and operations in 12 countries, mainly based in France, Romania, Spain, and South-East Europe.

In Romania, Rompetrol controls 25% of the local fuel market, according to company information.