Change of publication date of the extended consolidated report for Q1 2012

Current report no. 31/2012

The Management Board of Polimex–Mostostal S.A. with its registered office in Warsaw at ul. Czackiego 15/17, acting pursuant to § 103(2) of the Ordinance of the Minister of Finance dated 19 February 2009 on current and periodicinformation provided by issuers of securities and terms of deeming information required by the regulations of a non-Member State equivalent (Dz.U. [Dziennik Ustaw, Journal of Laws]No. 33, item259 as amended), hereby notifies of the change of publication date of the extendedconsolidated report for Q1 2012 which, in accordance with the current report no. 2/2012 dated 16 January 2012, was initially set to fall on 14 May 2012.

The said report for Q1 2012 will be made public on 11 May 2012.