Repurchase of treasury shares

Current report 09/2010 dated 11.05.2010

Legal basis: art. 56 subs. 1 par. 2 of the Offer Act — current and periodic information

The Management Board of ATM SA with its registered office in Warsaw hereby informs that Beskidzki Dom Maklerski SA notified us today of a transfer, on April 9, 2010 and April 19, 2010, of 15,720 ATM S.A. shares from brokerage accounts of certain employees of the Company to the Company’s investment account, as a result of brokerage processing of the Incentive Scheme for ATM S.A. Group personnel provided by BDM SA. The repurchase of treasury shares resulted from ATM S.A. exercising its right to repurchase its shares upon termination of employment of the entitled person.

The average price per share was PLN 0.95. The total par value was PLN 14,934. The purchased package accounts for 0.043% of the share capital and gives 15,720 votes (0.043%) at the General Meeting.

Roman Szwed — President of the Management Board,
Tadeusz Czichon — Vice-President of the Management Board