SHEIKH KHALIFA BIN ZAYED AL NAHAYAN, PRESIDENT OF UNITED ARAB EMIRATES, EXPRESSED HAPPINESS FOR PARTICIPATING IN THE 19TH ARAB SUMMIT TO BE HELD HERE ON WEDNESDAY. IN A PRESS STATEMENT UPON ARRIVAL IN RIYADH TODAY TO PARTICIPATE IN THE SUMMIT, HE SAID HE WAS HAPPY TO MEET THE CUSTODIAN OF THE TWO HOLY MOSQUES KING ABDULLAH BIN ABDULAZIZ. HE ADDED THAT HE WAS CONFIDENT THAT THE KING'S WISDOM AND CAPABILITY WOULD MAKE THE SUMMIT SUCCESSFUL. HE COMMENDED THE SAUDI EFFORTS THAT WERE EXERTED TO PREPARE FOR THE SUMMIT. HE ALSO HAILED THE KING'S PATRONAGE OF THE MAKKAH AGREEMENT AMONG PALESTINIAN GROUPS.