This is a report on the meeting of Party experts organized by the Least Developed Countries Expert Group (LEG) in collaboration with the Adaptation Committee (AC), held in Sao Tome, Sao Tome and Principe, from 7 to 9 February 2018. The meeting brought together experts nominated by Parties and representatives of organizations working on national adaptation plans (NAPs) to assess progress in the process to formulate and implement NAPs. The report presents the conclusions reached by participants at the meeting after considering data and information collected from submissions from Parties, an online questionnaire, national reports under the Convention, and LEG and AC reports, as well as information provided by organizations supporting the process to formulate and implement NAPs. The report also provides updates on: progress in achieving the two objectives of the process to formulate and implement NAPs; how the guiding principles of the process are being addressed; support provided and received; experience and lessons learned in the process; and gaps and needs identified.