Sweco

Share Issue/Capital Change • Feb 24, 2009

PRESS RELEASE 24 February 2009

Completed conversion of class C shares to class B

1 550 000 class C shares, issued within the framework of Sweco's Share Bonus Programme, have been converted to shares of class B.

After the conversion, Sweco has a total of 89 502 110 shares outstanding, consisting of 9 389 075 class A shares and 80 113 035 class B shares. Sweco holds 2 357 867 class B treasury shares. The total number of votes in the company is 17 400 378,5. The shares held in treasury carry no voting rights. The company's share capital amounts to SEK 89 502 110.

Sweco is a provider of international consulting engineering services with combined expertise in engineering, environmental technology and architecture. The Group has annual sales of approximately SEK 5.5 billion and 5,500 employees in ten countries. The company has projects currently underway in some 80 countries worldwide. Sweco is listed on NASDAQ OMX Stockholm AB.

For further information please contact:

Bo Jansson, Executive Vice President & CFO of Sweco. Telephone +46 8 695 66 06/+46 734 12 66 06 bo.jansson@sweco.se

The information contained herein may be subject to the disclosure requirements in the Swedish Securities Exchange and Clearing Operations Act and/or the Financial Instruments Trading Act.

Phone +46 8 695 60 00 E-mail info@sweco.se www.swecogroup.com

pm01e 1999-09-20

prm01e 2009-02-19