Atlas Copco’s Q2 report Conference Call on July 17

Stockholm, July 4, 2006: Atlas Copco will publish its Q2 results on Monday, July 17 at approximately 12:00 PM CET. A conference call and a simultaneous presentation will take place at 3:00 PM CET / 9:00 AM EST.

The presentation will be held in The Atlas Copco Hall, Sickla Industriväg 9, Nacka, Sweden. Coffee will be served from 2:30 PM. Participating from Atlas Copco will be Gunnar Brock, President and CEO, and Hans Ola Meyer, CFO. The meeting will begin with a short presentation of the report followed by a question and answer session. The conference call will be broadcasted live via the Internet. Please see our website for link, handout and further details. If you wish to participate at the presentation, please register before July 14: www.atlascopco.com/ir To help ensure that the conference call begins in a timely manner, please dial in 5-10 minutes prior to the scheduled start time. Dial-in number +44 (0)20 7365 1828 Replay-number +44 (0)20 7806 1970 Code 9459024# The replay is available for two days. We look forward to your participation. Mattias Olsson Investor Relations Manager