This document compiles information provided by member countries and other delegations on current developments on the safety of manufactured nanomaterials (section I) in their countries or organizations. There are also written reports on current activities related to nanotechnologies/ nanomaterials in other International Organisations such as the International Organisation for Standardisation (ISO) (section II). In addition, delegations added a short bulleted list of highlights at the top of their submissions to give readers a general idea of key events since the 1st meeting of the Working Party.