Vienna, Rabi'II 29, 1439, Jan 16, 2018, SPA -- United Arab Emirates' official news agency WAM quoted OPEC Secretariat calculations putting the price of OPEC basket comprising 14 crudes, at $67.78 a barrel, on Monday, compared to $67.17 the previous Friday. OPEC reference basket is made up of the following member states' crudes: Murban (Emirates), Saharan Blend (Algeria), Girassol (Angola), Oriente (Ecuador), Zafiro (Equatorial Guinea), Rabi Light (Gabon), Iran Heavy (Iran), Basra Light (Iraq), Kuwait Export (Kuwait), Es Sider (Libya), Bonny Light (Nigeria), Qatar Marine (Qatar), Arab Light (Saudi Arabia), and Merey (Venezuela). -- SPA 18:09 LOCAL TIME 15:09 GMT www.spa.gov.sa/w589303