His Royal Highness Prince 'Abdul Mateen ibni His Majesty Sultan Haji Hassanal Bolkiah Mu'izzaddin Waddaulah, Minister of Foreign Affairs, attended a Four-Eye Meeting with His Excellency Dr. Vivian Balakrishnan, Minister for Foreign Affairs, Republic of Singapore. The meeting was held in Kazan, Russian Federation.

At the meeting, His Royal Highness and His Excellency discussed on bilateral, regional, and international issues of mutual concern to Brunei Darussalam and the Republic of Singapore.