1. Mr. Adam Malik (Indonesia Foreign Minister)
2. Mr. Tun Abdul Razak (Deputy Prime Minister. Minister of defence and Minister of the Ministry of national development, Malaysia)
3. Mr. Narciso R. Ramos (Minister of Foreign Affairs of the Philippines)
4. Mr. S. Rajaratnam (Mon State in Singapore titang)
5. Colonel (Special) Thanat Khoman (Thai Foreign Minister)