Stockholm, Sweden, and De Bilt, the Netherlands, 22 October 2015

Sweco AB (publ) (“Sweco”) (Nasdaq Stockholm; ticker symbol SWECA and SWECB) and Grontmij N.V. (“Grontmij”) (Euronext Amsterdam; ticker symbol GRONT) jointly announce that at the request of Sweco and Grontmij, Euronext Amsterdam N.V. has confirmed its consent to delist the ordinary shares in the capital of Grontmij (the “Shares”) from Euronext in Amsterdam (“Euronext”). Such request was made now that, following the completion of Sweco’s recommended public mixed exchange and cash offer, Sweco now owns more than 95% of the Shares.

Delisting will take place on 19 November 2015 and the last day that the Shares can be traded on Euronext will therefore be 18 November 2015.