This document reports on the 24th meeting of the Least Developed Countries Expert Group (LEG), held in Siem Reap, Cambodia, from 26 to 29 August 2013. It contains progress on the implementation of the work programme of the LEG for 2013–2014, covering the following activities: regional training workshops on adaptation for the least developed countries (LDCs) for 2012–2013; plans for further training on national adaptation plans (NAPs); the NAP Expo; supplementary materials for the technical guidelines for the NAP process; technical guidance and support to the NAP process; collaboration in providing technical support to the LDCs; outreach on the work of the LEG, including NAP Central and the capturing and sharing of best practices and lessons learned; gender and other considerations regarding vulnerable communities within the LDCs; monitoring and evaluation of national adaptation programmes of action, the LDC work programme and the NAP process; support of coherence and synergy of adaptation related efforts under the Convention; and LEG in-depth case studies. It also provides details on discussions of the LEG with the Global Environment Facility and its agencies and other organizations on support given to the LDCs, and with the Government of Cambodia on its experience with mobilizing and managing financial resources for addressing climate change