Correction of misprint in the note Acquisitions of subsidiaries and operations of Interim Report January-March 2018 Sweco AB (PUBL)

In Sweco’s Interim Report January-March 2018 figures in the note Acquisitions of subsidiaries and operations on page 13 are misprinted. This misprint occurs in the text above the table. The error is insignificant and does not influence any other published financial tables or statements of the report.

This misprint occurs in the note Acquisitions of subsidiaries and operations on page 13 in the text above the table. The correct figures are: If all of the companies had been owned as of 1 January 2018 they would have contributed approximately SEK 94 million in net sales and about SEK 13 million in operating profit.

The correct version of Interim Report January-March 2018 is available on www.sweco.se.

For more information contact:

Jonas Dahlberg, CFO, +46 70 347 23 83

Lars Torstensson, Communications Director, +46 70 273 48 79

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 16.9 billion (EUR 1.8 billion). The company is listed on Nasdaq. Stockholm. www.swecogroup.com