SSH: APT: SSH (AMP Capital Investors (New Zealand) Limited)

29 Jan 2010 5:09 pm

APT 29/01/2010 SSH

REL: 1709 HRS AMP NZ Office Trust

SSH: APT: SSH (AMP Capital Investors (New Zealand) Limited)

Disclosure of movement of 1% or more in substantial holding or change in nature of relevant interest or both Sections 23 and 24, Securities Markets Act 1988

Relevant event being disclosed: Change in the number of voting securities in which a substantial security holder has a relevant interest (section 32(2)) Date of relevant event: 28 January 2010

To: NZX And: AMP NZ Office Trust

Date this disclosure made: 29 January 2010 Date last disclosure made: 11 June 2009

Substantial security holder(s) giving disclosure Name(s): AMP Capital Investors (New Zealand) Limited Contact details: Amelia Hamilton, 04 494 2110, amelia.hamilton@amcapital.co.nz Summary of substantial holding to which disclosure relates Class of listed voting securities: Ordinary units APT Summary for: AMP Capital Investors (New Zealand) Limited

For this disclosure,-- (a) total number held in class: 212,825,632 (b) total in class: 997,720,431 (c) total percentage held in class: 21.331%

For last disclosure,-- (a) total number held in class: 223,175,782 (b) total in class: 997,720,43 (c) total percentage held in class: 22.369%

Details of transactions and events giving rise to relevant event Details of the transactions or other events requiring disclosure under the instructions to this form: Sale of 10,350,150 shares between 11 June 2009 and 28 January 2010.

Details of relevant interests in substantial holding after relevant event Details for: AMP Capital Investors (New Zealand) Limited Nature of relevant interest(s): Investment Manager and non-beneficial owner of securities For that relevant interest,-- (a) number held in class: 212,825,632 (b) percentage held in class: 21.331% (c) current registered holder(s) of securities: See Schedule One (d) registered holder(s) of securities once transfers registered: not applicable

Additional information Nature of connection between substantial security holders: AMP Capital Investors (New Zealand) Limited is the Investment Manager for beneficial owners of the APT units (See schedule one attached)

Address(es) of substantial security holder(s): C/- Ground Floor, PWC Tower, 113 - 119 The Terrace, Wellington Name of any other person believed to have given, or believed to be required to give, a disclosure under the Act in relation to the securities to which this disclosure relates: Not Applicable

Declaration I, Amelia Stefanie Hamilton, declare that, to the best of my knowledge and belief, the information contained in this disclosure is correct and that I am duly authorised to make this disclosure by all persons for whom it is made. End CA:00190685 For:APT Type:SSH Time:2010-01-29:17:09:52

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