Sweco

M&A Activity • May 20, 2011

PRESS RELEASE

20 May 2011

Sweco wins energy contract in Russia

Sweco's industry consultants have together with the Russian company Soyuz been chosen to lead and supervise the rehabilitation of three major CHP plants in Moscow. The contract is worth in total about SEK 34 million and Sweco's share amounts to approximately SEK 22 million.

The client is the Russian energy company Mosenergo and the assignment is an "Owner's engineering" contract, which means that Sweco together with Soyuz will be the client's engineering arm throughout the whole project, including procurement consulting, technical audit and design verification. The CHP plants will be streamlined with so-called CCGT technology and will after the modernization have a capacity of up to 420 MW.

Sweco is an international consulting group with combined expertise in consulting engineering, environmental technology and architecture. Sweco has about 5,900 employees in 11 countries and recorded annual sales of approximately SEK 5.3 billion in 2010. The company has projects currently underway in some 80 countries worldwide. Sweco is listed on NASDAQ OMX Stockholm AB.

For further information please contact:

Kari Harsunen, President of Sweco Industry, +358 20 752 6572 Tapani Bastman, Head of Energy and Pulp&Paper division, Sweco Industry, +358 20 752 6568

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

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