Obama to meet with Prime Minister of Myanmar along with other leaders from Association of South East Asian Nations - ASEAN. The meeting will take place during the annual summit meeting of the Asia-Pacific Economic Cooperation forum in Singapore. This is the meeting of highest level between Myanmar and United States since the meeting between President Lyndon B. Johnson and General Ne Win 43 years ago in Washington.
However, there is no confirmation that whether the meeting will take place privately or not.

ref : nytimes