Perpetual Limited — Major Shareholding Notification 2011

Jun 29, 2011

Financial Services Authority

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Henderson Group plc

30 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

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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)
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 Perpetual Limited and
notification obligation: subsidiaries
4. Full name of shareholder(s) (if different from 3.):
5. Date of the transaction (and date on which the 28 June 2011
threshold is crossed or reached if different):
6. Date on which issuer notified: 30 June 2011
7. Threshold(s) that is/are crossed or reached: From 10.79% to 11.83
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8. Notified details:

A: Voting rights attached to shares

A: Voting rights attached to shares	A: Voting rights attached to shares	A: Voting rights attached to shares	A: Voting rights attached to shares	A: Voting rights attached to shares	A: Voting rights attached to shares	A: Voting rights attached to shares	A: Voting rights attached to shares
Class/typ e of shares if possible using the ISIN CODE	Situation previous to the Triggering transaction		Resulting situation after the triggering transaction
	Number of Shares	Number of Voting Rights	Number of shares	Number of voting rights		% of voting rights
			Direct	Direct	Indirect~~xi~~	Direct	Indirect
Ordinary Shares	117,575,707	117,575,707	129,011,775	129,011,775		11.83%

B: Financial Instruments

Resulting situation after the triggering transaction

B: Financial Instruments	B: Financial Instruments	B: Financial Instruments	B: Financial Instruments	B: Financial Instruments
Resulting situation after the triggering transaction
Type of financial instrument	Expiration date	Exercise/ Conversion Period/ Date	Number of voting rights that may be acquired if the instrument is exercised/ converted.	% of voting rights

Total (A+B)

Total (A+B)	Total (A+B)
Number of voting rights	% of voting rights
129,011,775	11.83%

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

• Perpetual Investments: Voting Rights: 129,011,775; Percentage Held: 11.83%

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:

Angel Place, 123 Pitt Street 13. Additional information: GPO BOX 4171 Sydney NSW 2001 AUSTRALIA

14. Contact name: Glenda Charles – Deputy Company Secretary

15. Contact telephone number: (61) 2 9229 9000