Atlas Copco — Share Issue/Capital Change 2011

Jun 30, 2011

Press Release from the Atlas Copco Group

For further information please contact: Daniel Frykholm, Media Relations Manager +46 (0)8 743 8060 or +46 (0)70 865 8060

The number of shares in Atlas Copco AB after redemption procedure

Stockholm, Sweden, June 30, 2011: The number of shares outstanding in Atlas Copco AB was during June decreased to 1 229 613 104 from 2 459 226 208. The change is a result of the share redemption procedure resolved by the Annual General Meeting on April 20, which has now been completed.

The share redemption procedure commenced with a 2:1 share split, which was carried out in May. After the split there were 1 678 788 192 series A shares (carrying 1 vote per share) in the company and 780 438 016 series B shares (0.1 vote/share).

Half of the shares in each series were redemption shares. All of these shares were in June redeemed by Atlas Copco for SEK 5 per share. The number of outstanding shares and votes is now the same as before the procedure was carried out.

Atlas Copco discloses the information provided herein pursuant to the Securities Markets Act and/or the Financial Instruments Trading Act.

Atlas Copco is an industrial group with world-leading positions in compressors, construction and mining equipment, power tools and assembly systems. The Group delivers sustainable solutions for increased customer productivity through innovative products and services. Founded 1873, the company is based in Stockholm, Sweden, and has a global reach spanning more than 170 countries. In 2010, Atlas Copco had about 33 000 employees and revenues of BSEK 70 (BEUR 7.3). Learn more at www.atlascopco.com.

Atlas Copco Group Center

Atlas Copco AB Visitors address: Telephone: +46 (0)8 743 8000 A Public Company (publ) SE-105 23 Stockholm Sickla Industriväg 19 Telefax: +46 (0)8 644 9045 Reg. No: 556014-2720 Sweden Nacka www.atlascopco.com Reg. Office Nacka