ZAGREB (Croatia), November 1 (SeeNews) â Croatian fertiliser producer Petrokemija [ZSE:PTKM-R-A] said it has appointed the CEO of oil refinery INA [ZSE:INA-R-A], Sandor Fasimon, as president of its supervisory board, following a capital hike which will see INA become a shareholder in Petrokemija.