DEXUS — M&A Activity 2013

Dec 19, 2013

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20 December 2013

The Manager Company Announcements Office Australian Securities Exchange Level 4, 20 Bridge Street Sydney NSW 2000

DEXUS Funds Management Limited ABN: 24 060 920 783 AFSL: 238163 Australia Square Tower Level 25, 264 George Street Sydney NSW 2000 PO Box R1822 Royal Exchange NSW 1225 Tel: 02 9017 1100 Fax: 02 9017 1101

Dear Sir/Madam

Register Date under DEXUS Funds Management Limited’s bid for Commonwealth Property Office Fund (ASX CPA)

DEXUS Funds Management Limited, as trustee of DEXUS Office Trust Australia (“ Bidder ”) gives notice under section 633(4) of the Corporations Act 2001 (Cwlth) (“ Corporations Act ”) that 7:00pm on 20 December 2013 is the date set by the Bidder (pursuant to sections 633(2) and (3) of the Corporations Act) for the purposes of determining the people to whom information is to be sent under items 6 and 12 of the table in section 633(1) of the Corporations Act.

Yours faithfully

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John Easy

Company Secretary