The attached list of participants attending the thirteenth sessions of the Subsidiary Body for Scientific and Technological Advice and the Subsidiary Body for Implementation, held from 11 to15 September 2000 and preceded by one week of informal meetings, including workshops, has been prepared on the basis of information received by the secretariat as at Wednesday,13 September 2000. Observer organizations marked with an asterisk (*) have been provisionally admitted by the subsidiary bodies. Please note that Parties and Observers have been listed following the French alphabetical order.