RIYADH: Saudi Aramco has increased the official selling price of its flagship Arab Light crude for Asian buyers in September. The state-owned energy giant raised the Arab Light price by $1 per barrel from August to a premium of $3.20 over the average of Oman and Dubai crude benchmarks, according to an official statement issued on Wednesday. Prices for Arab Extra Light rose by $1.20 per barrel, while Arab Heavy gained $0.70. In North America, Aramco set the September OSP for Arab Light at $4.20 per barrel above the Argus Sour Crude Index.