Changes to the structure of stock ownership of Polimex-Mostostal S.A

Current report no. 66/2011

The Management Board of Polimex-Mostostal S.A. with its registered office in Warsaw at ul. Czackiego 15/17 hereby informs that it received from Aviva Powszechne Towarzystwo Emerytalne [General Pension Fund] Aviva BZ WBK SA, operating pursuant to Art. 69 1 (4) of the Act on Public Offering and Conditions for Introducing Financial Instruments to the Organised Trading System and on Public Companies, a notification on the reduction of the share of Aviva Otwarty Fundusz Emerytalny [Open-End Investment Fund] Aviva BZ WBK (“Aviva OFE”) in the total number of votes at the General Meeting of the Polimex-Mostostal S.A.

The reason for the change to the share in the total number of votes at the General Meeting of Polimex-Mostostal was a disposal of the Company’s shares on 10 November 2011.

Prior to the aforementioned transaction settlement as of 15 November 2011, Aviva OFE owned 26,245,518 shares of Polimex-Mostostal S.A., which constituted 5,04% of the Company’s business capital and entitled in total to 26,245,518 votes at the General Meeting of Polimex-Mostostal S.A., which constituted 5,04% of the total number of votes at the General Meeting of the Company.

Following the conclusion and settlement of the aforementioned transaction, as at 16 November 2011 Aviva OFE owned 24,245,518 shares of Polimex-Mostostal S.A., which constituted 4,65% of the Company’s business capital and entitled in total to 24,245,518 votes at the General Meeting of Polimex-Mostostal S.A., which constituted 4,65% of the total number of votes at the General Meeting of the Company.