BEFIMMO : - Transparency declaration

REGULATED INFORMATION

EMBARGO | 21 May 2013 | 5.40 PM

Limited Liability Company

Disclosure in accordance with article 14 of the law of 2 May 2007 Transparency regulation

Pursuant to the law of 2 May 2007 on the disclosure of major shareholdings and following the introduction of a 3% statutory threshold1 in the articles of association of Befimmo SA at the Extraordinary General Meeting of 15 December 2008, Befimmo SA announces that it has received notice, on 14 May 2013, that the share of BlackRock, Inc. in Befimmo's capital exceeded the statutory threshold of 3%.

The notification received by BlackRock, Inc. is available on Befimmo's website under "IR & Finances - Shareholders - Shareholding": http://www.befimmo.be/en/shareholding.

Declaration regarding the chain of control of the controlled companies through which the participation is effectively held:

"BlackRock, Inc. is the ultimate parent company of all legal entities contained herin. With a common voting policy in place across all entities within the group, BlackRock, Inc. maintains control of assets indicated within the above disclosure. Direct holdings in this issuer are maintained within the legal entities as indicated in Section 10) A)."

Shareholding of Befimmo SA

Befimmo SA equity is held by a large number of shareholders. The following table is based on the latest transparency declarations received.

1 For further information, please see the press release of 14 January 2009 on our website:

www.befimmo.be .

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EMBARGO | 21 May 2013 | 5.40 PM

The aforementioned information has no impact on the denominator of the percentage calculation; the total number of shares (each share giving entitlement to one voting right) is

19,120,709.

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Befimmo is a Pure Player investor specialising in high quality office buildings located in city centres in Belgium and in the Grand-Duchy of Luxembourg. Its portfolio currently includes approximately one hundred office buildings for a total surface over 850,000 m² of which a large part is rented long-term to public institutions (> 65%). The fair value of its portfolio as at 31 March 2013 was €1,966 million. The Company strives to enhance its current portfolio and to seize any investment opportunity creating value for its shareholders. Befimmo has been listed on NYSE Euronext Brussels since its creation and in the BEL 20 index since March 2009; the Company applies a purposeful strategy aiming at obtaining optimised results over time. Befimmo bases its strategic prospects on optimal integration of the challenges of sustainable development and conducts its daily activities according to applicable rules of corporate social responsibility.

Additional information:

Emilie Delacroix | IR & External Communication Manager | Befimmo SA Tel.: [phone] | www.befimmo.be | Email: [e-mail]

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