Notifications of Major Interests in Shares

TR-1: Notifications of Major Interests in Shares

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

IG Group Holdings PLC

2. Reason for notification (yes/no)

An acquisition or disposal of voting rights

Yes

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

No

An event changing the breakdown of voting rights

No

Other (please specify):______________

N/A

3. Full name of person(s) subject to notification obligation:

Janus Capital Management, LLC ("Janus")

4. Full name of shareholder(s) (if different from 3):

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

8 April 2009

6. Date on which issuer notified:

9 April 2009

7. Threshold(s) that is/are crossed or reached:

6% 

8: Notified Details

A: Voting rights attached to shares

Class/type of shares

If possible use ISIN code= Ordinary Shares

ISIN:

GB00B06QFB75

Situation previous to the triggering transaction

Resulting situation after the triggering transaction

Number of shares 

21,221,260

Number of voting rights 

21,221,260

Number of shares 

21,959,119

Number of voting rights

Percentage of voting rights

21,959,119

Direct

Indirect

6.11%

Direct

Indirect

B: Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument

Expiration date

Exercise/ conversion period/date 

No. of voting rights that may be acquired (if the instrument exercised/converted)

Percentage of voting rights

Total (A+B)

Number of voting rights

Percentage of voting rights

21,959,119

6.11%

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

Proxy Voting:

10. Name of proxy holder:

Janus Capital Management LLC

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

N/A

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

N/A

13. Additional information:

14 Contact name:

Kathy Valenta

15. Contact telephone name:

303-336-4528

Annex: Notification of major interests in shares

A: Identity of the persons or legal entity subject to the notification obligation

Full name 

(including legal form of legal entities)

Janus Capital Management, LLC

Contact address 

(registered office for legal entities)

151 Detroit St.

Denver, CO 80206

USA

Phone number & email

303-336-4528

kathy.valenta@janus.com

Other useful information 

(at least legal representative for legal persons)

B: Identity of the notifier, if applicable

Full name

Contact address

Phone number & email

Other useful information

(e.g. functional relationship with the person or legal entity subject to the notification obligation)

C: Additional information