Cafodd y cyfarfod ei gadeirio gan y Gwir Anrhydeddus Alok Sharma AS, Darpar Lywydd. Hefyd yn bresennol roedd Iain Stewart AS, Is-Ysgrifennydd Gwladol Seneddol yr Alban, Y Gwir Anrhydeddus Simon Hart AS, Ysgrifennydd Gwladol Cymru, Robin Walker AS, Gweinidog Gwladol Gogledd Iwerddon, Roseanna Cunningham ASA, Ysgrifennydd y Cabinet dros yr Amgylchedd, Newid Hinsawdd a Diwygio Tir, Paul Wheelhouse ASA, Gweinidog Ynni, Cysylltedd a’r Ynysoedd ac Edwin Poots MLA, y Gweinidog Amaethyddiaeth, yr Amgylchedd a Materion Gwledig.
The meeting was chaired by the Rt Hon Alok Sharma MP, COP President Designate. The other attendees were Iain Stewart MP, Parliamentary Under Secretary of State for Scotland, Rt Hon Simon Hart MP, Secretary of State for Wales, Robin Walker MP, Minister of State for Northern Ireland, Roseanna Cunningham MSP, Cabinet Secretary for Environment, Climate Change and Land Reform, Paul Wheelhouse MSP, Minister for Energy, Connectivity and the Islands and Edwin Poots MLA, Minister of Agriculture, Environment and Rural Affairs.