Magyar Olaj-Es Gazipari is an integrated oil and gas enterprise based in Hungary and active in central and eastern Europe. Co.'s core activities include: exploration and production of crude oil, natural gas and gas products; refining, transportation, storage and distribution of crude oil products in both retail and wholesale markets; importation, transportation, storage and wholesale trading of natural gas and other gas products; and the production and sale of olefins and polyolefins. TVK, the petrochemical affiliate of Co., is an olefin and polyolefin producer in Hungary.