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

Sweco has, according to previously disclosed information, issued 13 116 828 new
Sweco B shares as consideration to the Grontmij shareholders who tendered their
Grontmij shares under the offer during the initial acceptance period. The new
share issue has resulted in that the share capital and number of shares and
votes in Sweco have changed.

After completion of the new issue, the number of shares in Sweco on 30 September
2015 amounts to 105,967,466, of which 9,368,164 class A shares, 95,699,302 class
B shares and 900,000 class C shares, representing 19,028,094.2 votes in the
company. The registered share capital, after the registration of the new shares
issue, is SEK 105,967,466.

On the date of publication of this information, Sweco holds 542,769 class B
shares and 900,000 class C shares, in total 1,442,769 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 is the Nordic region’s leading consultancy for sustainable urban
development. Our 9,000 engineers, architects and environmental experts develop
value-creating solutions for our clients and for society. Sweco is among the ten
largest consulting engineering companies in Europe, carrying out assignments in
80 countries annually throughout the world. The company has yearly sales of
approximately SEK 9 billion and is listed on NASDAQ OMX Stockholm AB.

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 September 2015, 8:30 a.m. CET.