Sweco

Declaration of Voting Results & Voting Rights Announcements • Mar 31, 2025

PRESS RELEASE

31 March 2025

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

At the request of shareholders, 35 944 class A shares have been converted to class B shares during March 2025 with the support of the conversion clause in the Articles of Association.

After the conversion, as per 31 March 2025, the total number of shares in Sweco amounts to 363,251,457, of which 31 015 198 are of class A, and 332 236 259 are of class. The share capital amounts to 121,083,819 SEK.

On the date and time of publication of this information, Sweco holds 3 426 213 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 66 16, lisa.lagerwall@sweco.se

Anna E Olsson, Group Head of Press Relations and Public Affairs Sweco, +46 705 57 33 26, anna.e.olsson@sweco.se

This information is information that Sweco AB (publ) is obliged to make public pursuant to the Financial Instruments Trading Act. The information was submitted for publication at 14:00 CET on 31 March 2025.

Sweco plans and designs the sustainable communities and cities of the future. Together with our clients and the collective knowledge of our 22,000 architects, engineers and other experts, 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 31 billion (EUR 2.7 billion) in 2024. The company is listed on Nasdaq Stockholm. www.swecogroup.com