Atlas Copco’s Q4 report and conference call on February 2

Stockholm, January 19, 2010: Atlas Copco will publish its Q4 results on Tuesday, February 2 at approximately 12:00 PM CET. A combined conference call and presentation will be held at 3:00 PM CET / 9:00 AM EST.

The presentation will be held at Operaterassen, Stockholm, Sweden. Participating from Atlas Copco will be Ronnie Leten, 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 presentation will be broadcasted live on the Internet. Please see our website www.atlascopco.com/ir for link and presentation material. If you wish to participate at Operaterassen, please send an e-mail before January 29 to ir@se.atlascopco.com. You need not register to participate in the conference call. 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 7162 0077 +46 (0)8 5052 0110 Code 855647 Replay number: +44 (0)20 7031 4064 +46 (0)8 5052 0333 Replay code 855647 The replay is available for two days. We look forward to your participation.