AB Mazeikiu Nafta announces that its preliminary un-audited consolidated net loss for the 1st quarter of 2007 amounts to 134.988 million LTL (51.250 million USD or 39.095 million EUR) according to the International Financial Reporting Standards (IFRS). Interim financial statements of AB Mazeikiu Nafta for the 1st quarter of 2007 will be announced by May 31, 2007. Spokesman to AB Mazeikiu Nafta Mindaugas Voldemaras tel. +370 443 92608