Sweco Now Controls Approximately 62% of All Outstanding Grontmij Shares Committed to the Intended Recommended Public Offer.

Regulatory News:

Sweco: (STO:SWECA)(STO:SWECB)

This is a press release by Sweco AB pursuant to the provisions of Section 5, paragraph 4 and paragraph 5 of the Decree on Public Takeover Bids (Besluit Openbare Biedingen Wft) in connection with the intended public offer by Sweco AB for all the issued and outstanding ordinary shares in the capital of Grontmij N.V. This announcement does not constitute an offer, or any solicitation of any offer, to sell, buy or subscribe for any securities in Grontmij N.V. or Sweco AB. Any offer will be made only by means of an offer memorandum. This announcement is not for release, publication or distribution, in whole or in part, in or into, directly or indirectly, Canada, Japan and the United States.

On 1 June 2015, Sweco AB (publ) ("Sweco”) and Grontmij N.V. ("Grontmij”) jointly announced the intended recommended public offer by Sweco for all issued and outstanding ordinary shares in the capital of Grontmij for an offer price of EUR 1.84 in cash (cum dividend) and 0.22195 Sweco B share for each Grontmij ordinary share, subject to customary conditions (the "Offer").

On 26 June 2015, Sweco and Grontmij confirmed that they are making good progress on the preparations of the offer. As communicated before, based on the required steps and subject to the necessary approvals, settlement of the Offer is expected to take place in the second half of 2015.

Sweco today announces that it has acquired 6,231,865 ordinary shares in Grontmij from Delta Lloyd Levensverzekering N.V. and Delta Lloyd Deelnemingen Fonds N.V. Including Grontmij shares that Sweco has previously purchased, Sweco now owns 6,789,492 ordinary shares in Grontmij, in total representing 8.98% of the total outstanding shares of the company.

In combination with irrevocably committed shares, Sweco now controls approximately 62% of all shares in Grontmij committed to Sweco’s intended public offer.

Pursuant to the provisions of Section 5 paragraph 4 and paragraph 5 of the Dutch Decree on Public Takeover Bids (Besluit openbare biedingen Wft) Sweco announces that on 1 July 2015 Sweco and its affiliates or brokers (acting as agents for Sweco or its affiliates, as applicable) conducted transactions in ordinary shares of Grontmij, the details of which are stated below.

The highest price per ordinary Grontmij share paid in any transaction, whether or not on a regulated market as defined in Section 1 paragraph 1 of the Dutch Financial Supervision Act (Wet op het financieel toezicht), conducted on 1 July 2015 was € 4.38 per ordinary Grontmij share[1] (http://connect.ne.cision.com#_ftn1). Following such transactions, Sweco currently holds a total of 6,789,492 ordinary shares in Grontmij, representing 8.98% of the issued share capital of Grontmij[2] (http://connect.ne.cision.com#_ftn2). Grontmij does not hold any shares in the capital of Sweco.

In accordance with Part 5.3.3 of the Dutch Act on the Financial Supervision (Wet op het financieel toezicht), Sweco has notified the Netherlands Authority for the Financial Markets (Stichting Autoriteit Financiële Markten) that it has acquired a substantial holding of 8.98% in the shares in Grontmij.

Sweco might purchase additional ordinary shares in Grontmij. Sweco will announce such additional acquisitions on its website (www.swecogroup.com) promptly and in any event once each day such additional acquisition has been made, or acquisitions have been made. To the extent permissible under applicable regulations, such announcements will be made in the English language only.

General restrictions

The information in this press release is not intended to be complete. This announcement is for information purposes only and does not constitute an offer or an invitation to acquire or dispose of any securities or investment advice or an inducement to enter into investment activity. This announcement does not constitute an offer to sell or issue or the solicitation of an offer to buy or acquire the securities of Grontmij in any jurisdiction.

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[1] (http://connect.ne.cision.com#_ftnref1) This price paid was lower than the implied value of the offer price in the Offer at the time it entered into such transaction(s) outside Euronext Amsterdam determined by multiplying the Sweco share price at the time of the transaction(s) by the exchange ratio and adding the cash part of the offer price.

[2] (http://connect.ne.cision.com#_ftnref2) Comprising ordinary shares and cumulative convertible preference shares.

About Sweco

Sweco is the Nordic region’s leading provider of services for sustainable engineering and design. 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 annual sales of approximately SEK 9 billion and is listed on Nasdaq Stockholm. Sweco is required to disclose the above information under the provisions of the Securities Market Act and/or the Financial Instruments Trading Act. The information was submitted for publication on 1 July 2015, 19.30 p.m. CET.

For further information, visit www.swecogroup.com.

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