Expression of interest in Unipetrol a.s.

Polski Koncern Naftowy ORLEN S.A. ("PKN ORLEN") Central Europe's largest downstream oil company hereby announces that today it sent to WestLB in Prague - a privatization adviser to the Czech government - a preliminary expression of interest in participating in the tender for Unipetrol a.s., which was opened by the National Property Fund of the Czech Republic on 6 November 2003.

(see also a release from 26 May 2003)