Financial calendar for 2006

Regulatory announcement no 79/2005 dated 28 December 2005

Polski Koncern Naftowy ORLEN S.A. ("PKN ORLEN"), Central Europe's largest downstream oil company, hereby publishes its financial calendar for 2006.

Unconsolidated financial reports, produced at quarterly and half-yearly will be published as a section within the consolidated financial report.

Quarterly reports

Q4 2005 - 28 February 2006
Q1 2006 - 12 May 2006
Q2 2006 - 11 August 2006
Q3 2006 - 10 November 2006

Half yearly report

H1 2006 - 29 September 2006

Annual statements

2005 annual statements will be produced as follows:

Unconsolidated - 21 April 2006
Consolidated - 21 April 2006