Acknowledge the right of all parties to the Treaty to undertake research , production and use of nuclear energy for peaceful purposes without discrimination and in conformity with articles I , II and III of the Treaty ; 2 . Underline the essential role of the International Atomic Energy Agency ( IAEA ) in assisting developing States parties in engaging in the peaceful use of nuclear energy , under the best safety , security and non-proliferation conditions , through the development of effective and adequately funded programmes aimed at improving their scientific , technological and regulatory capabilities .