Sweco

M&A Activity • Oct 8, 2007

PRESS RELEASE 8 October 2007

SWECO acquires Stockholm Vatten Byggprojekt AB

SWECO has signed agreement to acquire the building design unit of Stockholm Vatten, with 24 employees.

Stockholm Vatten Byggprojekt, a unit within the City of Stockholm's municipal water utility, provides studies, planning, design and construction management services in the water and wastewater area. The motive for the acquisition is to strengthen SWECO's capabilities primarily in mains engineering.

"There is a real need to investigate the quality of the mains networks, not least with regard to the effects of climate change on the water and wastewater system. Stockholm Vatten Byggprojekt has a high level of expertise in water and wastewater management and a particularly in-depth knowledge of the mains network in Stockholm. We are enormously pleased to gain additional resources in this area, says Bo Carlsson, Managing Director of SWECO VIAK.

Stockholm Vatten Byggprojekt AB is part of the Stockholm Vatten group, which is owned by the City of Stockholm.

The acquisition is conditional and will be approved by the board of Stockholm Vatten and the Stockholm Municipal Council.

SWECO is the Nordic region's leading provider of consulting services with combined expertise in engineering, environmental technology and architecture. SWECO has around 4,900 employees in ten countries and recorded annual sales of around SEK 3.9 billion in 2006. 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: Bo Carlsson, Managing Director of SWECO VIAK, +46 8 695 63 03, +46 734 12 63 03, bo.carlsson@sweco.se Gösta Lindh, Managing Director of Stockholm Vatten AB, +46 8 522 120 10, gosta.lindh@stockholmvatten.se

This is the type of information that SWECO may be obligated to disclose in accordance with the Swedish Securities Exchange and Clearing Operations Act and/or the Financial Instruments Trading Act.