DUBAI, Dec 5 (Reuters) - Saudi Arabia"s state oil producer Aramco (2222.SE) raised its January official selling price (OSP) to Asia for its flagship Arab Light crude to $3.30 a barrel versus Oman/Dubai crude, up $0.60 from December, the company said on Sunday. The company set the Arab Light OSP to Northwestern Europe at minus $1.30 per barrel versus ICE Brent and to the United States at plus $2.15 per barrel over ASCI (Argus Sour Crude Index).