Riga Stock Exchange 30.01.2007 Removal of Mazeikiu Nafta from OMXB10 and Baltic Benchmark index According to the press release from PKN ORLEN published on January 25, 2007 regarding the offer in Mazeikiu Nafta (MNF1L, LT0000115552) it is announced that the acceptance level has reached 89.26 percent of the total amount of shares in Mazeikiu Nafta. PKN ORLEN announces that they will acquire all the remaining shares in Mazeikiu Nafta in mandatory procedures excluding shares owned by Government of the Republic of Lithuania. The government holds 9.98% of Manzeikiu Nafta’s shares. OMXB10 and Baltic Benchmark indexes are free float adjusted to accurately reflect the investability of the underlying securities of the index. The changed ownership constitutes an event that has a considerable impact on the investability of Mazeikiu Nafta. Due to that free float of Mazeikiu Nafta will be 0.00% after the ownership change and the share will be removed from OMXB10 and Baltic Benchmark indexes as of February 1, 2007. (Rule 5.8.2 ”Rules for the Construction and Maintenance of the Baltic All-Share, Sector, Benchmark and Tradable Indices”). For further information concerning this exchange notice please contact Peter Tengzelius, telephone + 46 8 405 60 00 or Dace Saltane +371 721 2431