At the same time GCR has also upgraded the long and short-term national scale issuer ratings for Kenya to AA-(KE)/A1+(KE) from A+(KE)/ A1(KE); Nigerian to AA+(NG)/A1+(NG) from AA(NG) / A1+(NG); and Mauritian to BB+(MU)/B(MU) from BB(MU)/ B(MU). All the three national ratings have been accorded a stable outlook.