CAIRO Jan 18 (Reuters) - Saudi Basic Industries Corporation (SABIC) (2010.SE) plans to build a petrochemicals plant in the city of Jubail on the gulf coast in the Eastern Province, after a similar plant in South Korea starts production by year-end, CEO Yousef Abdullah al-Benyan told Asharq TV on Tuesday. Al-Benyan added that the company views the Korean market as an opportunity to expand in Asia.