Sweco

Report Publication Announcement • Feb 21, 2008

PRESS RELEASE 21 February 2008

Completed conversion of class C shares to class B

850,000 class C shares, issued within the framework of SWECO's 2007 Share Bonus Programme, have been converted to shares of class B.

After the conversion SWECO has a total of 86,414,350 shares outstanding, consisting of 9,389,075 class A shares, 76,875,275 class B shares and 150,000 class C shares. SWECO holds 2,004,306 class B treasury shares and 150,000 class C treasury shares. The total number of votes in the company is 17,091,602.5. The shares held in treasury carry no voting rights. The company's share capital amounts to SEK 86,414,350.

SWECO is the Nordic region's leading provider of consulting services with combined expertise in engineering, environmental technology and architecture. SWECO has around 5,300 employees in ten countries and recorded annual sales of around SEK 4.6 billion in 2007. The company has projects currently underway in some 75 countries worldwide. The SWECO share is quoted on the Stockholm Stock Exchange. SWECO is a member of OMX Nordic Exchange in Stockholm.

For further information please contact: Fredrik Hedlund, Head of Communications at SWECO, telephone: +46 (0)8 695 66 12 mobile +46 (0)734 12 66 12

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