We, the Heads of State/Government of the Kingdom of Cambodia, the People’s Republic of China, the Lao People’s Democratic Republic, the Republic of the Union of Myanmar, the Kingdom of Thailand, and the Socialist Republic of Viet Nam, gathered on 10 January 2018 in Phnom Penh, the Kingdom of Cambodia to hold the 2nd Mekong-Lancang Cooperation (MLC) Leaders’ Meeting under the theme of “Our River of Peace and Sustainable Development” and to chart the future course of the MLC into the next decade.