Regulatory announcements

Financial data for 1 quarter 2007 under segments with commentary and impact of LIFO valuation of inventories on that financial results.

Kaucuk a.s. has purchased the shares of Butadien Kralupy a.s.

Draft resolutions to be presented on the Ordinary General Meeting to be held on 31 May 2007

PKN ORLEN S.A. has signed an agreement with Rafineria Trzebinia for the supply of diesel blended with bio-components

ORLEN Oil has purchased shares in Petro-Oil Lubelskie Centrum Sprzedazy from ORLEN Petroprofit.

Convening of the Ordinary General Meeting of PKN ORLEN shareholders to be held on 31 May 2007

PKN ORLEN purchase of shares in ETYLOBENZEN Plock

List of announcements published by PKN ORLEN in 2006

ORLEN Deutschland signs wholesale agreement with Shell Deutschland Oil

Changes in the PKN ORLEN Management Board

PKN ORLEN subsidiary: initial capital increase

Financial data for Q4 2006 and four quarters 2006 under segments with commentary and impact of LIFO valuation of inventories on that financial results

Estimated level of PKN ORLEN liabilities as of the end of 2006

The Bank of New York decreased share in the total number of votes at PKN ORLEN`s General Meeting below 5%

Unipetrol, a.s. and Dwory S.A. have executed a share purchase agreement for the sale of 100 % of shares of Kaucuk a.s.

The Supervisory Board and Board of Directors of Unipetrol, a.s. have approved the terms and conditions of the Share Purchase Agreement for the sale of 100% of Kaucuk a.s. shares

ORLEN Deutschland signs wholesale contract with Deutsche BP Aktiengesellschaft

PKN ORLEN has signed sales agreements with DWORY for sale of ethylbenzene, butadiene and C4 fraction

Changes in the PKN ORLEN Management Board

PKN ORLEN has signed an agreement with PETRACO Oil Company Ltd for crude oil deliveries