ARAB LEAGUE'S DELEGATION AS WELL AS REPRESENTATIVES OF ARAB COUNTRIES PARTICIPATING IN THE PREPARATORY MEETING OF THE ARAB SUMMIT, DUE TO BE HELD IN RIYADH ON MARCH 27-28 WILL ARRIVE HERE ON FRIDAY. ARAB LEAGUE'S SECRETARY GENERAL AMR MOUSA IS SCHEDULED TO ARRIVE IN RIYADH ON SATURDAY AFTER MEETING UN'S SECRETARY GENERAL BAN KI-MOON, WHO IS CURRENTLY VISITING CAIRO. MOUSA WILL PARTICIPATE IN THE INAUGURAL SESSION OF THE ARAB SUMMIT. MEANWHILE, THE ARAB FOREIGN MINISTERS ARE SCHEDULED TO HOLD A MEETING ON MONDAY UNDER THE CHAIRMANSHIP OF THE KINGDOM OF SAUDI ARABIA TO SET THE AGENDA OF THE SUMMIT AS WELL AS THE FINAL COMMUNIQUE.