For learners in Year 12 due to take AS level this year, they will receive a calculated AS grade and there will be no AS exams until summer 2021.
Ar gyfer dysgwyr ym Mlwyddyn 12 a oedd ar fin sefyll arholiadau Safon Uwch eleni, byddant yn cael gradd UG wedi'i chyfrifo ac ni gynhelir unrhyw arholiadau UG tan haf 2021.