Changes in the composition of the Supervisory Board of the Issuer

Legal basic: Article 56 (1) (2) of the Act on public offering – current and periodical information

Referring to current report no. 9/2017 and current report no. 11/2017, the Management Board of "Polimex-Mostostal" SA having its registered office in Warsaw (hereinafter referred to as the "Company”) informs that, following the subscription of the Company's Class T shares by the Investors, the resolutions of the Extraordinary General Meeting of the Company dismissing Ms. Anna Maria Młynarska-Sobaczewska, Mr Bartłomiej Kachniarz, Mr Marcin Adam Milewicz, Mr Przemysław Lech Figarski and Mr Bartosz Marek Ostachowski from the Supervisory Board have become effective. The resolutions do not specify the reasons for the dismissal.

At the same time, the resolutions of the Extraordinary General Meeting of the Company appointing Mr Paweł Mazurkiewicz, Mr Marta Zygmunt and Mr Konrad Milczarski to the Supervisory Board have become effective.

The newly appointed members of the Supervisory Board  have provided the Company with declarations indicating that they: (i) do not pursue any other activity competitive against the Company's activity outside the enterprise of the Company and do not participate in a competing company as a partner in a civil law partnership or any other partnership, or as a member of a body of a joint stock company, and do not participate in a competing legal entity as a member of its body, and (ii) are not listed in the Register of Insolvent Debtors kept pursuant to the provisions of law on the National Court Register.

The CVs of Mr Paweł Mazurkiewicz, Ms Marta Zygmunt and Mr Konrad Milczarski constitute an annex hereto.

Legal basis: § 5 (1) (21) and § 5 (1) (22) of the Ordinance of the Minister of Finance dated 19 February 2009 on current and periodical information provided by issuers of securities and terms of deeming information required by the regulations of a non-member state equivalent.