Purchase of RAF-LAB shares by ORLEN Laboratorium

Regulatory announcement no 72/2005 dated 2nd December 2005

Polski Koncern Naftowy ORLEN S.A. (“PKN ORLEN”), Central Europe’s largest downstream oil company, announces that on 1st December 2005 Rafineria Nafty Jedlicze S.A. sold to ORLEN Laboratorium Sp. z o. o. 5,000 shares of RAF-LAB Sp. z o.o. for the total amount of PLN 2,500,000, equal to the total nominal value of the shares. The sale is based on share transfer agreement and represents 100% of initial capital of RAF-LAB Sp. z o.o. The book value of the shares of RAF-LAB Sp. z o.o., bought by ORLEN Laboratorium Sp. z o. o., as at 31 October 2005 amounts to PLN 2,656,173.85.

Payment for the shares will be made in cash from the bank account of ORLEN Laboratorium Sp. z o.o. in 7 days from the signing of the agreement.

PKN ORLEN owns 75% of the shares of Rafineria Nafty Jedlicze S.A. and 95% of the shares of ORLEN Laboratorium Sp. z o.o.

ORLEN Laboratorium Sp. z o. o., headquartered in Plock, specializes in providing laboratory and research services. The company also has expertise in the analysis of fuels, oil derived products, waters, wastes, soil and air.

Business activities of Rafineria Nafty Jedlicze S.A., headquartered in Jedlicze, include transporting, processing, storaging and trading in crude oil and oil derived products. Other business activities include collection of used oils, production of lubricating oils and other industrial fluids, production of oil solvents and fuels, production of lubricants and asphalt, production of packaging and preparation of oils and other industrial fluids. The refinery also manufactures limited quantities of gasoline and heating oils.