This document reports on the twelfth meeting of the Least Developed Countries Expert Group (LEG), held in Bangkok, Thailand, from 6 to 8 September 2007, and also provides an update on the efforts of the LEG to implement its work programme for 2006–2007. This report also includes an update on the LEG meeting that was held in Bangkok, from 3 to 5 September, to take stock of the progress made by Parties in the preparation and implementation of national adaptation programmes of action