This report describes the activities relating to the technical review of information reported under the Convention in the first biennial reports and sixth national communications submitted by Parties included in Annex I to the Convention in 2014 and 2015. It also provides information on the composition of expert review teams, on the outcomes of the second meeting of the lead reviewers of biennial reports and national communications of Parties included in Annex I to the Convention and on the training of experts for the review of biennial reports and national communications of Parties included in Annex I to the Convention.