This report covers the work of the Executive Committee of the Warsaw International Mechanism for Loss and Damage associated with Climate Change Impacts during and since its 1st meeting, held from 24 to 26 September 2015. It contains information on: the nomination and election of its first members and officers; organizational and procedural matters, including information on its 1st meeting; and the implementation of its initial set of mandated activities. It concludes with recommendations to the Conference of the Parties through the Subsidiary Body for Scientific and Technological Advice and the Subsidiary Body for Implementation.