Sweco

Board/Management Information • Dec 3, 2012

PRESS RELEASE

2012-12-03

Mats Wäppling leaves the board of Sweco

As previously notified, Mats Wäppling resigns as CEO and President of Sweco as of 1 December 2012. In relation to this, Mats Wäppling leaves on his own initiative his position as Member of the Board of Sweco AB.

Tomas Carlsson is appointed new CEO and President of Sweco as of 1 December 2012.

For further information please contact: Olle Nordström, Chairman Sweco AB, +46 8 463 37 63 / +46 709 40 70 83 Fredrik Hedlund, Head of Communication Sweco, +46 8 695 66 12 / +46 734 12 66 12

Sweco is an international consulting group with combined expertise in consulting engineering, environmental technology and architecture. Sweco has annual sales of approximately SEK 7.2 billion and around 7,700 employees in 12 countries. The company has projects currently underway in some 80 countries worldwide. Sweco is listed on NASDAQ OMX Stockholm AB.

Sweco discloses the information provided herein pursuant to the Securities Markets Act and/or the Financial Instruments Trading Act. The information was submitted for publication on 3 December 2012, at 13.30 CET.