Saudi Kayan Petrochemical Co, an affiliate of Saudi Basic Industries Corp (Sabic), replaced its non-executive chairman of the board, the company said in a statement on Sunday. Omar al-Amoudi, executive vice president of shared services at Sabic and an existing Kayan board member, took over from Mutlaq al-Morished, who resigned after becoming chief executive of National Industrialisation Co (Tasnee), Kayan said.