KYIV, March 30 - Fitch Ratings has affirmed Naftogaz Ukrayiny's (Naftogaz) Long-Term Foreign-Currency Issuer Default Rating (IDR) at 'B', the outlook is stable, the rating agency said on its website.

"The affirmation reflects the continued equalization of Naftogaz's ratings with those of Ukraine (B/Stable) under Fitch's government-related entities (GRE) rating criteria. This reflects Naftogaz's strong links with the sovereign," it said.