Daeth Lesley Griffiths, Gweinidog yr Amgylchedd, Ynni a Materion Gwledig, Julie James, y Gweinidog Tai a Llywodraeth Leol, David Davies, Is-Ysgrifennydd Gwladol Cymru, arweinwyr awdurdodau lleol cymunedau’r pyllau glo gynt, a oedd yn cynnwys Andrew Morgan, arweinydd Cyngor Rhondda Taf, yn ogystal â chynrychiolwyr o’r Awdurdod Glo a Chyfoeth Naturiol Cymru i’r uwch-gynhadledd.
Welsh Government Minister for Environment, Energy and Rural Affairs Lesley Griffiths and Minister for Housing and Local Government Julie James attended the summit, together with UK government Under-Secretary of State for Wales David Davies; local authority leaders from former-coal mining communities, including Rhondda Cynon Taf Council leader Andrew Morgan, and representatives from the Coal Authority and Natural Resources Wales.