AMP LIMITED — Major Shareholding Notification 2010

Mar 2, 2010

Financial Services Authority

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Henderson Group plc

2 March 2010

Attached is a notification which was required to be announced under London Stock Exchange Listing Rules.

TR-1: NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Identity of the issuer or the underlying issuer Henderson Group plc of existing shares to which voting rights are attached:

2. Reason for the notification (please tick the appropriate box or boxes)

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An acquisition or disposal of voting rights
X
An acquisition or disposal of financial instruments which may result in the
acquisition of shares already issued to which voting rights are attached
An event changing the breakdown of voting rights
Other (please specify):
3. Full name of person(s) subject to the AMP Limited, AMP Life Limited
notification obligation: and AMP Capital Investors
Limited
4. Full name of shareholder(s) (if different from 3.): Stichting Pensionfonds
Hoogovens, Stichting
Pensionfonds ABP,
Government Employees
Superannuation Board, QLD
Local Government
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204193v1 HGI SSN notification (a) (2 March 2010)

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Superannuation Board and
Commonwealth Bank Officers
Superannuation Corporation
Pty Limited as trustee for the
Officers’ Superannuation Fund.
5. Date of the transaction (and date on which the 1 March 2010
threshold is crossed or reached if different):
6. Date on which issuer notified: 2 March 2010
7. Threshold(s) that is/are crossed or reached: 3% (crossing above 3%)
8. Notified details:
A: Voting rights attached to shares
Class/t Situation previous to Resulting situation after the triggering transaction
ype of the Triggering
shares transaction
if Number Number of Number Number of voting % of voting rights
possible of Shares Voting of shares rights
using the Rights
ISIN
CODE Direct Direct Indirect Direct Indirect
Ordinary 24,220,151 24,220,151 25,203,066 20,107,981 5,095,085 2.44% 0.62%
shares
(via
CHESS
Deposita
ry
Interests
)
B: Financial Instruments
Resulting situation after the triggering transaction
Type of financial Expiration Exercise/ Conversion Number of voting % of voting
instrument date Period/ Date rights that may be rights
acquired if the
instrument is
exercised/ converted.
Total (A+B)
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204193v1 HGI SSN notification (a) (2 March 2010)

Number of voting rights % of voting rights 25,203,066 3.06%

9. Chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held, if applicable:

AMP Life Limited is an indirect wholly owned subsidiary of AMP Limited. AMP Capital Investors Limited is an indirect wholly owned subsidiary of AMP Limited.

Proxy Voting:

10. Name of the proxy holder: 11. Number of voting rights proxy holder will cease to hold:

12. Date on which proxy holder will cease to hold voting rights:

13. Additional information:	Level 24, AMP Sydney Cove Building	Level 24, AMP Sydney Cove Building
	33 Alfred Street
	Sydney New South Wales 2000
	Fax: +61 2 9257	7178
14. Contact name:	James Crook, Senior Legal Counsel, AMP
	Capital Investors	Limited
15. Contact telephone number:	+61 2 9257 1512

204193v1 HGI SSN notification (a) (2 March 2010)