Current report 04/2010

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

On the basis of par. 103, subs. 1 of the Regulation of Ministry of Finance dated February 19, 2009, The Management Board of ATM S.A. with the principal place of business in Warsaw reveals the dates of submitting periodic reports in 2010:

Quarterly reports:

• for Q4 2009 — consolidated — February 25, 2010
• for Q1 2010 — consolidated — May 12, 2010
• for Q3 2010 — consolidated — November 15, 2010

Interim reports:

• consolidated interim report for the 1st half of 2010 along with the abridged interim financial report — August 31, 2010

Annual reports:

• Issuer’s non-consolidated annual report for 2009 — April 30, 2010
• Issuer capital group’s consolidated annual report for 2009 — April 30, 2010

On the basis of par. 83, subs.1 and 3 of the Regulation of Ministry of Finance dated February 19, 2009, The Management Board of ATM S.A. will not publish separate non-consolidated quarterly and interim reports.

On the basis of par. 101, subs. 2 of the Regulation of Ministry of Finance dated February 19, 2009, The Management Board of ATM S.A. will not publish consolidated quarterly report for Q2 2010.

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