Sweco

Declaration of Voting Results & Voting Rights Announcements • May 31, 2017

PRESS RELEASE

31 May 2017

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

In accordance with previously disclosed information, Sweco has conducted a new share issue of 500,000 class C shares. The number of shares and votes in Sweco has changed as a consequence of the new share issue.

Subsequent to the new share issue, the number of shares in Sweco totals 122,483,819: 10,533,731 class A shares, 110,550,088 class B shares and 1,400,000 class C shares, representing 21,728,739.8 votes in the company. The registered share capital is SEK 122,483,819.

On the date of publication of this information, Sweco holds 1,055,416 class B shares and 1,400,000 class C shares, totalling 2,455,416 shares in treasury. The class B and class C treasury shares held by Sweco do not carry voting rights.

For additional information, please contact:

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

Per Holmlund, Head of Public Relations, Sweco, +46 (0)73-156 03 12, p.holmlund@sweco.se

Sweco plans and designs tomorrow's communities and cities. Our work produces 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 Europe's leading engineering and architecture consultancy, with sales of approximately SEK 16.5 billion (EUR 1.7 billion). The company is listed on Nasdaq Stockholm.

This information is information that Sweco AB is obliged to make public pursuant to the Securities Markets Act and/or the Financial Instruments Trading Act. The information was submitted for publication, through the agency of the contact person set out above, at 7:45 am CET on 31 May 2017.

Pho ne +4 6 8 69 5 60 0 0 E-mail info@sweco.se w w w. sw eco g ro up .c o m

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