AMP LIMITED — Major Shareholding Notification 2011

Jun 15, 2011

Financial Services Authority

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Henderson Group plc

16 June 2011

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:

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2. Reason for the notification (please tick the appropriate box or boxes)
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: AMP Capital Investors Limited
and Ipac Asset Management
Limited
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269500v1 HGI SSN notification (7(2) December 2010).DOC

4. Full name of shareholder(s) (if different from 3.): Stichting Pensionfonds Hoogovens, Stichting Pensionfonds ABP, Government Employees Superannuation Board, QLD Local Government Superannuation Board, Commonwealth Bank Officers Superannuation Corporation Pty Limited as trustee for the Officers’ Superannuation Fund, Russell Investment Management Limited and State Super Financial Services Australia Limited.

5. Date of the transaction (and date on which the 15 June 2011 threshold is crossed or reached if different):

6. Date on which issuer notified: 16 June 2011

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	previous to	Resulting situation after	Resulting situation after	Resulting situation after	the	triggering transaction	triggering transaction	triggering transaction
ype of	the		Triggering
shares	transaction
if possible using the ISIN	Number of Shares		Number of Voting Rights	Number of shares	Number rights	of		voting	% of voting	rights
CODE				Direct	Direct		Indirect		Direct	Indirect
AU0000	32,122,37		32,122,379	33,550,610	27,982,950		5,567,660		2.56%	0.51%
00HGG2	9
(CDI)
JE00B3 CM9527	440,235	440,235		440,235	440,235		0		0.04%	0%
(Ordinar
y shares)
B: Financial Instruments
Resulting situation		after the triggering transaction

269500v1 HGI SSN notification (7(2) December 2010).DOC

Type of financial instrument	Expiration date	Exercise/ Conversion Period/ Date	Exercise/ Conversion Period/ Date	Number of voting rights that may be acquired if the instrument is exercised/ converted.	% of voting rights	% of voting rights
Total (A+B)
Number of voting rights			% of voting rights
33,990,845			3.11%
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. Ipac Asset Management 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:

269500v1 HGI SSN notification (7(2) December 2010).DOC

13. Additional information:	Level 24, AMP Sydney Cove Building 33 Alfred Street Sydney New South Wales 2000 Fax: +61 2 9257 1541
14. Contact name:	James Crook, Senior Legal Counsel, AMP Capital Investors Limited
15. Contact telephone number:	+61 2 9257 1512

269500v1 HGI SSN notification (7(2) December 2010).DOC