Sweco

Regulatory Filings • Sep 22, 2008

PRESS RELEASE 22 September 2008

Sweco awarded another significant hydropower assignment in Laos

Hydropower experts within Sweco have been contracted as the Owners Engineer during the implementation of the Theun Hinboun Expansion project, in central Lao PDR. The assignment is estimated to be worth more than 5 million Euros.

– The building of new hydropower schemes around the world has been booming since the year 2000. Sweco is maintaining our position as one of the most respected engineering consulting companies in this market, states Sweco's Team Leader Mr. Lennart Lundberg.

In June 2006 Sweco was assigned to perform the Feasibility Study and Tender Document for the expansion project. The new assignment as the Owners Engineer includes Design Review, Contract Management, and Construction Supervision during the implementation phase. The Assignment is being performed for the Client, Theun Hinboun Power Corporation (THPC).

The fiscal Project primarily includes a 70 metre high Roller Compacted Concrete Dam (RCC), a 6 kilometre long and TBM driven Headrace Tunnel, two separate Power Stations (220 MW and 60 MW) and two separate Transmission Lines, one connecting to the Thai grid and one connecting to the local Lao grid.

Expertise to be provided from Sweco's engineers includes all traditional hydropower engineering disciplines such as civil & structural engineering, hydrology, geology, geo-technology, dam engineering, mechanical engineering, turbine engineering, electrical engineering including transmission, and distribution.

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 4.6 billion and 5,400 employees in ten countries. The company has projects currently underway in some 80 countries worldwide. Sweco is a member of the OMX Nordic Exchange Stockholm.

For additional information please contact:

Lennart Lundberg, Project Manager at Sweco, +46 8-695 60 65, lennart.lundberg@sweco.se Kaj Möller, Director of Overseas Operations, Sweco Infrastructure, +46 8-695 65 03, kaj.moller@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.