No. 23/2006  | 14-04-2006

Change in the financial calendar for 2006

Polski Koncern Naftowy ORLEN S.A. (“PKN ORLEN”, “Company”) Central Europe’s largest downstream oil company, hereby announces that there has been made a change in the PKN ORLEN financial calendar for 2006.

Annual statements
2005 annual statements will be published as follows:
Unconsolidated - 28 April 2006
Consolidated - 28 April 2006
The originally announced date of publication of the annual statement for 2005 was 21 April 2006.

Quarterly report
Quarterly report for the first quarter 2006 will be published on 15 May 2006.
The previously announced date of publication of the report for the first quarter 2006 was 12 May 20