MOSCOW: Saudi Energy Minister Khalid Al-Falih said Russia was the only remaining oil exporter still undecided on the need to extend the global output deal between OPEC and its allies until the end of the year, TASS news agency reported on Monday. Falih, who was in Moscow on Monday, said he and Russian Energy Minister Alexander Novak may have final opportunity to discuss the deal this month at a G20 meeting in Japan before OPEC and its allies hold a policy meeting in Vienna. Falih also said Russian President Vladimir Putin will visit Saudi Arabia in October.