This document reports on the eighteenth meeting of the Least Developed Countries Expert Group (LEG), held in Kathmandu, Nepal, from 12 to 15 October 2010, and provides an update of the efforts of the LEG to implement its work programme for 2008-2010. The report includes a summary of the status of preparation and implementation of national adaptation programmes of action (NAPAs), as provided by the secretariat of the Global Environment Facility (GEF) during the meeting. There is also a summary of discussions held between the LEG and the GEF and three of its agencies on NAPA implementation. Issues discussed at a meeting between the LEG and Nepal's NAPA team, which was held in order to share experiences in the preparation and implementation of that country's NAPA, are also presented. This report also includes information on the rationale and support needed for updating and revising NAPAs