Sweco

Declaration of Voting Results & Voting Rights Announcements • Dec 30, 2015

PRESS RELEASE

2015-12-30

Change in number of shares and votes in SWECO AB (publ)

Due to the earlier communicated rights issue, Sweco has in December 2015 in total issued 1,171,020 class A shares and 12,123,925 class B shares. The rights issue has resulted in that the share capital and number of shares and votes in Sweco have changed.

After completion of the rights issue, the total number of shares in Sweco on 30 December 2015 amounts to 121,094,830, of which 10,539,184 class A shares, 109,655,646 class B shares and 900,000 class C shares, representing 21,594,748.6 votes in the company. The registered share capital, following the rights issue, is SEK 121,094,830.

On the date and time of publication of this information, Sweco holds 637,320 class B shares and 900,000 class C shares, in total 1,537,320 shares in treasury. However, Sweco has no voting rights for the class B and class C treasury shares.

For further information please contact:

Lisa Lagerwall, General Counsel, +46 (0)8-695 66 16, lisa.lagerwall@sweco.se

Åsa Barsness, Communications Director at Sweco, +46 (0)8-695 66 40, asa.barsness@sweco.se

Sweco plans and designs the communities and cities of the future. Our work results in sustainable buildings, efficient infrastructure and access to electricity and clean water. With 14,500 employees in Europe, we offer our customers the right expertise for every situation. We carry out projects in 70 countries annually throughout the world. Sweco is the leading architecture and engineering consultancy in Europe, with sales of approximately SEK 15.2 billion (pro forma 2014). The company is listed on NASDAQ Stockholm.

The information contained herein is subject to the disclosure requirements of Sweco AB under the Swedish Securities Exchange and Clearing Operations Act and/or the Financial Instruments Trading Act. The information was submitted for publication on 30 December 2015, 8:30 a.m. CET.