"Drwy weithredu fel hyn, mae Llywodraeth y DU wedi methu â rhoi'r adnoddau sydd eu hangen ar Gymru i fuddsoddi mewn seilwaith, yn y gwasanaeth iechyd ac yn y system addysg, gan felly amddifadu Cymru o £1.67 biliwn o gyllid ychwanegol.
“By operating in this way, the UK Government has failed to provide Wales with the resources we need to invest in infrastructure, the NHS and the education system – depriving Wales of an additional £1.67bn.