Henderson Group - Holding(s) in Company - Suncorp

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

1. Identity of the issuer or the underlying issuerof existing shares to which voting rights areattached:

HENDERSON GROUP PLC (HGG)

2 Reason for the Notification (please tick the appropriate box or boxes):

An acquisition or disposal of voting rights

An acquisition or disposal of qualifying financial instruments which may result in the acquisition of shares already issued to which voting rights are attached

An acquisition or disposal of instruments with similar economic effect to qualifying financial instruments

An event changing the breakdown of voting rights

Other (please specify): Subsidiaries in Suncorp Group Limited have ceased to be subsidiaries with a substantial shareholding.

X

3. Full Name of Person(s) Subject to theNotification Obligation:

Suncorp Group Limited and its subsidiaries

4. Full Name of Shareholder(s)  (if different from 3.):

5. Date of the Transaction and Date onwhich the Threshold is Crossed orReached:

01/03/2011

6. Date on which Issuer Notified:

03/03/2011

7. Threshold(s) that is/are Crossed orReached:

New holding is less than 3%

8. Notified Details:

A: Voting Rights Attached to Shares

Class/Type ofShares

(if possible usingthe ISIN)

Situation Previousto the TriggeringTransaction

Resulting Situation after the Triggering Transaction

NumberofShares

NumberofVotingRights

Numberof Shares

Number of VotingRights

% of Voting Rights

Direct

Direct

Indirect

Direct

Indirect

37,811,932

7,146

7,146

0

0.000009%

0%

B: Qualifying Financial Instruments

Resulting Situation after the Triggering Transaction

Type of FinancialInstrument

ExpirationDate

Exercise/Conversion Period

Number of VotingRights that may beacquired if theinstrument isexercised/converted

% of VotingRights

N/A

N/A

N/A

N/A

N/A

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments

Resulting Situation after the Triggering Transaction

Type of FinancialInstrument

Exercise Price

Expiration Date

Exercise/Conversion Period

Number of Voting Rights Instrument refers to

% of Voting Rights

N/A

N/A

N/A

N/A

N/A

Nominal

Delta

N/A

N/A

Total (A+B+C)

Number of Voting Rights

Percentage of Voting Rights

7,146

0.000009%

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

Suncorp Portfolio Services Limited

The New Zealand Guardian Trust Company Ltd

Proxy Voting:

10. Name of the Proxy Holder:

Suncorp Group Limited and its subsidiaries

11. Number of Voting Rights Proxy Holder will Ceaseto Hold:

37,811,932

12. Date on which Proxy Holder will Cease to HoldVoting Rights:

01/03/2011

13. Additional Information:

14. Contact Name:

Company Secretary - Mr Darren Solomon

Level 18, Suncorp Centre, 36 Wickham Terrace, BRISBANE, QLD, AUSTRALIA, 4000

15. Contact Telephone Number:

(07) 3362 1222