The price of OPEC basket of twelve crudes stood at US$101.38 a barrel on Monday, June 10th, compared with US$101.64 the previous Friday, according to calculations today by OPEC Secretariat, the executive organ of the Organization of the Petroleum Exporting Countries (OPEC). The new OPEC Reference Basket of Crudes (ORB) is made up of the following: Saharan Blend (Algeria), Girassol (Angola), Oriente (Ecuador), Iran Heavy (Iran), Basra Light (Iraq), Kuwait Export (Kuwait), Es Sider (Libya), Bonny Light (Nigeria), Qatar Marine (Qatar), Arab Light (Saudi Arabia), Murban (UAE) and Merey (Venezuela).