President Barack Obama delivers opening remarks at the U.S. – ASEAN Leaders Meeting at Peace Palace in Phnom Penh, Cambodia, Nov. 19, 2012. (Official White House Photo by Pete Souza) In Cambodia, President Obama’s final stop on his trip to Asia , the President met with the leaders of the 10 member states of the Association of Southeast Asia Nations (ASEAN) to deepen our ties with members of the key Asian multilateral organization. ASEAN is the United States’ fourth largest export market, and includes two of our treaty allies, one of our closest security partners, several emerging regional powers. Additionally, its nations are located along some of the world’s most important trading routes and sea lines of communication.