On behalf of the Custodian of the Two Holy Mosques, King Abdullah bin Abdulaziz Al Saud, the Minister of Finance, Dr. Ibrahim bin Abdulaziz Al-Assaf, headed the delegation of the Kingdom of Saudi Arabia to the Summit of Group of Twenty which was opened here today. In his opening speech, Mexican President Felipe Calderon, the current chairman of the Group, expressed his sincere condolences to the Kingdom of Saudi Arabia on the demise of the Late Prince Naif bin Abdulaziz Al Saud. The opening ceremony started with holding separate meetings between the Mexican President and Heads of State and delegations participating in the Summit including Minister of Finance Dr. Ibrahim bin Abdulaziz Al-Assaf.