The Government of Brunei Darussalam
The Government of the Kingdom of Cambodia
The Government of the Republic of Indonesia
The Government of the Lao People's Democratic Republic
The Government of Malaysia
The Government of the Union of Myanmar
The Government of the Republic of the Philippines
The Government of the Republic of Singapore
The Government of the Kingdom of Thailand
The Government of the Socialist Republic of Vietnam
The Government of Papua New Guinea

Hereinafter referred to as the High Contracting Parties:

DESIRING to ensure that there is appropriate enhancement of cooperation with all peace-loving nations, both within and outside Southeast Asia and, in particular, neighboring States of the Southeast Asia region;

CONSIDERING Paragraph 5 of the preamble of the Treaty of Amity and Cooperation in Southeast Asia, done at Denpasar, Bali, on 24 February 1976 (hereinafter referred to as the Treaty of Amity) which refers to the need for cooperation with all peace-loving nations, both within and outside Southeast Asia, in the furtherance of world peace, stability and harmony.

Article 18, Paragraph 3, of the Treaty of Amity shall be amended to read as follows:

"States outside Southeast Asia may also accede to this Treaty with the consent of all the States in Southeast Asia, namely, Brunei Darussalam, the Kingdom of Cambodia, the Republic of Indonesia, the Lao People's Democratic Republic, Malaysia, the Union of Myanmar, the Republic of the Philippines, the Republic of Singapore, the Kingdom of Thailand and the Socialist Republic of Vietnam."

This Protocol shall be subject to ratification and shall come into force on the date the last instrument of ratification of the High Contracting Parties is deposited.

DONE at Manila, the twenty-fifth day of July in the year one thousand nine hundred and ninety-eight.