They were:

Ambassador of the United States of America, H.E. Mr Samuel David Heins

Ambassador of the French Republic, H.E. Mr Jean-François Dobelle

Ambassador of the Republic of Costa Rica, H.E. Mr Enrique Castillo Barrantes (resident in London)

Ambassador of Brunei Darussalam, H.E. Ms Rakiah Haji Abdul Lamit (resident in Berlin)