Henderson Group - Holding(s) in Company - Suncorp

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

Henderson Group PLC

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 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):

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

Suncorp-Metway Limited and its subsidiaries as listed in Section 9

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

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

25/11/2010

6. Date on which Issuer Notified:

29/11/2010

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

5%

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

AU000000HGG2

41,745,959

41,745,959

37,811,932

37,811,932

0

4.5669%

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 i

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

37,811,932

4.5669%

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

Please see Annexure 1

Proxy Voting:

10. Name of the Proxy Holder:

Suncorp-Metway Limited and its subsidiaries as listed in Section 9

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

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

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

Holder of Relevant Interest

Registered Holder of Securities

Persons Entitled to be Registered as Holder

% of Issue

New Zealand Guardian Trust Company Limited

ANZ Nominees Custodian Services Melbourne

7,794

0.000009

Suncorp Metway Investment Management Limited

Suncorp Custodian Services Pty Limited

1,435,455

0.001737

Suncorp Portfolio Services Limited

Suncorp Portfolio Services Limited

336

0.000000

Tyndall Investment Management Limited

BNP Paribas Securities Services

6,743,798

0.008162

Tyndall Investment Management Limited

Citibank Limited

541,380

0.000655

Tyndall Investment Management Limited

JP Morgan Worldwide Securities Services

363,925

0.000440

Tyndall Investment Management Limited

National Nominees Limited

10,680,539

0.012926

Tyndall Investment Management Limited

State Street Australia Limited

1,382,365

0.001673

Tyndall Investment Management Limited

Tasman Asset Management Limited

16,656,340

0.020159