Exercise of over-allotment option in Dustin

Further to the announcement by Dustin Group AB (publ) (“Dustin”) on 13 February 2015, Dustin today confirms that, in connection with its initial public offering, Carnegie Investment Bank AB and Nordea Bank AB (publ) (“Nordea”), together Joint Global Coordinators and Joint Bookrunners relating to the initial public offering (the “Offering”), have exercised the over-allotment option in full in respect of 5,141,683 shares in Dustin.

Following the exercise of the over-allotment option, Dustin’s principal shareholder, Altor Fund II, will hold in aggregate 25,872,190 shares of Dustin, representing 34.0 per cent of the total number of shares in the company.

Carnegie and Nordea are acting as Joint Global Coordinators and Joint Bookrunners in the Offering and ABG Sundal Collier AB and Skandinaviska Enskilda Banken AB (publ) are acting as Joint Bookrunners.

For additional information, please visit www.dustingroup.com or contact:

Niklas Alm, Head of Investor relations, niklas.alm@dustin.se, +46 708 24 40 88

This information is such that Dustin Group AB (publ) is required to disclose in accordance with the Swedish Financial Instruments Trading Act and/or the Swedish Securities Market Act. The information was submitted for publication at 08.00 CET on March 5, 2015.

About Altor

Since inception, the four Altor funds have raised EUR 5.8 billion in total commitments and have invested in excess of EUR 3.1 billion in more than 40 companies. The investments have been made in medium sized Nordic companies with the aim to create value through growth initiatives and operational improvements. Among current and past investments are Apotek Hjärtat, Carnegie, EWOS, Helly Hansen, Dustin and Byggmax.

Important information

This announcement is not an offer to sell or a solicitation of any offer to buy any securities issued by Dustin in the United States or any jurisdiction where such offer or sale would be unlawful.

In any EEA Member State, other than Sweden, that has implemented Directive 2003/71/EC as amended (together with any applicable implementing measures in any Member State, the “Prospectus Directive”), this communication is only addressed to and is only directed at qualified investors in that Member State within the meaning of the Prospectus Directive.

Any securities referred to herein have not been and will not be registered under the United States Securities Act of 1933, as amended (the “Securities Act”), and may not be offered or sold within the United States absent registration or an exemption from the registration requirements of the Securities Act. There is no intention to register any securities referred to herein in the United States or to make a public offering of the securities in the United States. Any securities sold in the United States will be sold only to qualified institutional buyers (as defined in Rule 144A under the Securities Act) pursuant to Rule 144A.

In the United Kingdom, this document and any other materials in relation to the securities described herein is only being distributed to, and is only directed at, and any investment or investment activity to which this document relates is available only to, and will be engaged in only with, “qualified investors” (as defined in section 86(7) of the Financial Services and Markets Act 2000) and who are (i) persons having professional experience in matters relating to investments who fall within the definition of “investment professionals” in Article 19(5) of the Financial Services and Markets Act 2000 (Financial Promotion) Order 2005 (the “Order”); or (ii) high net worth entities falling within Article 49(2)(a) to (d) of the Order (all such persons together being referred to as “relevant persons”). Persons who are not relevant persons should not take any action on the basis of this document and should not act or rely on it.