The Third OPEC Summit was concluded here today under the chairmanship of Custodian of the Two Holy Mosques King Abdullah bin Abdulaziz. The conclusion session was attended by heads of delegations of the member countries of the OPEC . At the beginning of the final session, Custodian of the Two Holy Mosques, who is the head of the summit, invited Secretary General of the OPEC Abdullah Salem Al-Badri to read the Riyadh Declaration issued by the summit. --more