Related meetings include the ASEAN+3 Summit (with China, Japan, and the Republic of Korea), the ASEAN+1 Summits (with China, Japan, India, and the Republic of Korea, respectively) and the 2^nd East Asia Summit.

On this occasion, the PM will also take part in the Cambodia-Laos-Myanmar-Vietnam (CLMV) Summit and the Summit of the four countries with Thailand (ACMECS).

He is scheduled to hold bilateral talks with leaders of various countries in and outside the regional grouping on the sidelines of the 12^th ASEAN Summit and related meetings.