Sweco

Declaration of Voting Results & Voting Rights Announcements • Mar 31, 2021

PRESS RELEASE

31 March 2021

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

At requests of shareholders, 70,541 class A shares have been converted to class B shares during March 2021 with the support of the conversion clause in the Articles of Association.

After the conversion, as per 31 March 2021, the total number of shares in Sweco amounts to 363,251,457, of which 31,086,598 are of class A, 332,164,859 are of class B representing 64 303 083,9, votes in the company. The share capital amounts to 121,083,819 SEK.

On the date and time of publication of this information, Sweco holds 7,912,856 class B shares in treasury. However, Sweco has no voting rights for the class B treasury shares.

For additional information, please contact:

Lisa Lagerwall, General Counsel, +46 73 412 6616, lisa.lagerwall@sweco.se

Johnny Nylund, Head of Press, +46 73 773 5189, johnny.nylund@sweco.se

Sweco plans and designs the sustainable communities and cities of the future. Together with our clients and the collective knowledge of our 17,500 architects, engineers and other specialists, we co-create solutions to address urbanisation, capture the power of digitalisation, and make our societies more sustainable. Sweco is Europe's leading engineering and architecture consultancy, with sales of approximately SEK 21 billion (EUR 2 billion). The company is listed on Nasdaq Stockholm. www.swecogroup.com.

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This information is information that Sweco AB is obliged to make public pursuant to the Financial Instruments Trading Act. The information was submitted for publication, through the agency of the contact person set out above, at 16:00 CET on 31 March 2021.