Changes to the structure of stockholders of Polimex-Mostostal S.A.

The Management Board of Polimex-Mostostal S.A. informs that on the 25th of August 2010, pursuant to Article 69 (1) (1) of the Act dated 29 July 2005 on public offer and conditions of organised trade in financial instruments, and on public companies (Dz. U. (Dziennik Ustaw, Journal of Laws) of 2005, No. 184, item 1539, as amended), they received from Pioneer Pekao Investment Management S.A. a notice of increase of investment to the level of 10.01% of the total number of votes at the General Meeting of Polimex-Mostostal in the following funds:

1. Pioneer Open-End Investment Fund

2. Telekomunikacja Polska Special Open-End Investment Fund

3. Pioneer Variable Allocation Special Open-End Investment Fund

4. Pioneer Variable Allocation 2. Special Open-End Investment Fund

5. Pioneer Variable Allocation 3. Special Open-End Investment Fund

The foregoing increase took place with respect to stock constituting portfolios of the said funds, managed as part of provision by Pioneer Pekao Investment Management S.A. of the service of investment funds portfolio management.

As a result of purchase of stock on the 20th August 2010, the investment funds, established by Pioneer Pekao Towarzystwo Funduszy Inwestycyjnych S.A., currently hold the total of 46,484,195 (in words: forty-six million, four hundred and seventy-three thousand, seven hundred and fifty) shares, which constitutes 10.01% of the total number of votes at the General Meeting of Polimex-Mostostal S.A. and participation in the business capital of Polimex-Mostostal S.A. The foregoing investment funds are the stockholders jointly holding the aforementioned number of shares. Investment fund portfolios are a sub-group of all portfolios of the Clients Pioneer Pekao Investment Management S.A.

In accordance with the content of the notice sent by Pioneer Pekao Investment Management S.A., further investment-related decisions will be taken based on the fundamental analysis of the Company, and the purchase or sale decision may also be affected by inwards and outward payments made by the Clients of Pioneer Pekao Investment Management S.A.

In accordance with the statement provided by Pioneer Pekao Investment Management S.A., the investment in Polimex-Mostostal S.A. serves the purpose of increasing the value of portfolios managed by Pioneer Pekao Investment Management S.A.

Legal grounds:    Article (70) (1) of the Act dated 29 July 2005 on public offer and conditions of organised trade in financial instruments, and on public companies (Dz. U. (Dziennik Ustaw, Journal of Laws) of 2005, No. 184, item 1539).