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

Sweco has in October 2015 issued in total 1 832 419 new Sweco B shares as
consideration to the Grontmij shareholders who tendered their Grontmij shares
under the offer in connection with the post-closing acceptance period. The new
share issues have resulted in that the share capital and number of shares and
votes in Sweco have changed.

After completion of the new share issues, the number of shares in Sweco on 30
October 2015 amounts to 107,799,885, of which 9,368,164 class A shares,
97,531,721 class B shares and 900,000 class C shares, representing 19,211,336.1
votes in the company. The registered share capital, after the registrations of
the new share issues, is SEK 107,799,885.

On the date of publication of this information, Sweco holds 540,320 class B
shares and 900,000 class C shares, in total 1,440,320 shares in treasury.
However, Sweco has no voting rights for the class B and class C treasury shares.
For additional 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 15 countries, we offer our
customers the right expertise for every situation. We carry out assignments in
70 countries annually throughout the world. Sweco is Europe’s leading
architecture and engineering consultancy, 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 October 2015, 8:30 a.m. CET.