Hoffai Llywodraeth Cymru gael sicrwydd gan Whitehall y bydd yn gwneud iawn am yr arian Ewropeaidd sy'n dod i ni ar ôl i'r DU adael yr UE, ac i benderfyniadau ar sut y caiff yr arian hwnnw ei fuddsoddi barhau i gael eu gwneud yng Nghymru.
The Welsh Government wants guarantees from Whitehall that EU funding will be replaced after the UK leaves the EU and for decisions on how it is invested to continue to be made in Wales.