On 14 November 2018, Prime Minister Thongloun Sisoulith has attended to the ASEAN-Dialogue Summits namely, The ASEAN-Australia Informal Breakfast Summit, the 21^st ASEAN-China Summit, the 20^th ASEAN-ROK Summit, The Working Lunch for ASEAN and Leaders of Quests of the ASEAN Chair, the 3^rd ASEAN-Russia, the 21^st ASEAN-Japan Summit and the bilateral meeting between Lao PDR and ROK.

On 15 November 2018, Prime Minister Thongloun Sisoulith and his delegation has continued attending to the related Summits such as The ASEAN-India Informal Breakfast Summit, the 6^th ASEAN-U.S Summit and the 21^st ASEAN+3 Summit and the 13^th East Asia Summit.