Roedd y cynllun cymhellion, sydd eisoes wedi gweld mwy na 6,100 o brentisiaid newydd yn cael eu recriwtio ers mis Awst 2020, i fod i gau ar 28 Chwefror 2022.
The incentive scheme, which has already seen more than 6,100 new apprentices recruited since August 2020, had been due to close on 28 February 2022.