OAO Gazprom Neft (SIBN.RS), the oil unit of state gas giant OAO Gazprom (GAZP.RS), Tuesday said net profit for the first quarter totaled 48.4 billion rubles ($1.55 billion), a 21% increase from a year earlier, due to higher crude and petroleum product prices and increases in hydrocarbon production, oil refining volumes and sales through premium channels.

The company has moved from U.S. GAAP accounting standards and starts using the ruble as its reporting currency instead of dollars.

MAIN FACTS:

- First-quarter revenue rose 19.8% on year to RUB 278 billion.

- Adjusted earnings before interest, taxes, depreciation and amortization totaled RUB 79.3 billion for the quarter, up 10.6% on year.