Indonesia’s Group III base oils exports rose to a five-month high in February but were still lower than usual.Base oils exports of 21,000t in February rose from 13,540t the previous month to the highest since last September, government data showed.Exports had fallen to less than 15,000 t/month in the intervening months, down from more typical levels of more than 27,000 t/month.Global Group III base oils prices have held at a steep premium to Group I and Group II base oils because of firm demand and tight supply..S Korea’s Feb exports to Europe rise