Atlas Copco’s Q3 report conference call, October 21

Stockholm, October 7, 2005: Atlas Copco will publish its Q3 results on Friday, October 21 before 9:00 AM CET. A conference call will be held at 2:00 PM CET / 8:00 AM EST.

Participating from Atlas Copco will be Gunnar Brock, President and CEO, and Hans Ola Meyer, CFO. The conference call 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: 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 1854 Replay-number +44 (0)20 7784 1024 Code 1697448# The replay is available for two days. We look forward to your participation. Mattias Olsson Investor Relations Manager