The following is practical information provided for participants, online as well as in person, that will attend the first part of the first session of the ad hoc open-ended working group (OEWG1.1) on a science-policy panel to contribute further to the sound management of chemicals and waste and to prevent pollution, convened pursuant to UNEA resolution 5/8. The meeting will take place at the UNEP Headquarters in Nairobi, Kenya, on Thursday 6 October 2022 from 10.00 a.m. to 6.00 p.m. Meeting rooms will be made available for regional consultations from 8.00 a.m. to 9.30 a.m. and during the lunch break. Updated information regarding the meeting will be regularly made available on the meeting webpage.