The Meeting of the Working Group on Marine Litter (WG ML) took place on 17-18 June 2019 preceding the 24th Intergovernmental Meeting (IGM 24) of the Coordinating Body on the Seas of East Asia (COBSEA) in Bali, Indonesia. The Meeting brought together marine litter focal points of participating countries in preparation of the IGM 24. The aim was to provide an update on relevant regional and global processes on marine litter, share ongoing country initiatives and COBSEA projects in the region, and revise further the draft Regional Action Plan on Marine Litter (RAP MALI) for consideration at the IGM 24. An advanced draft of the revised RAP MALI was prepared which, with further amendments, was subsequently adopted at IGM 24. This report presents an overview of meeting proceedings and outcomes.