Appendix to the agreement with a foreign partner

The Management Board of KGHM Polska Miedź S.A., in connection with current report no. 15/2010 dated 4 May 2010, announces that KGHM Polska Miedź S.A. and Abacus Mining & Exploration Corporation with its registered head office in Vancouver, signed on 30 September 2010 an appendix to the Investment Agreement regarding extension of the closing date for the formation of the joint venture from 30 September 2010 to 12 October 2010. In accordance with the Investment Agreement signed by the Parties on 4 May 2010, the joint venture will be formed to carry out a Bankable Feasibility Study and to jointly advance the Afton-Ajax copper-gold mining project located in British Columbia in Canada. Legal basis: art. 56 sec. 5 of the Act dated 29 July 2005 on public offerings and conditions governing the introduction of financial instruments to organised trading, and on public companies (Journal of Laws from 2005 No. 184, item 1539 with subsequent amendments)