04 July 2011

RNS Number: 7221J
IG Group Holdings plc
04 July 2011

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

1. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached: ii    IG Group Holdings 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    x

An event changing the breakdown of voting rights   

Other (please specify):       

3. Full name of person(s) subject to the notification obligation: iii    BlackRock, Inc.

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

5. Date of the transaction and date on which the threshold is crossed or reached: v    30th June 2011

6. Date on which issuer notified:    1st July 2011

7. Threshold(s) that is/are crossed or reached: vi, vii    Holding has gone above 5%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type of shares if possible using the ISIN CODE   
GB00B06QFB75 

Situation previous to the triggering transaction   

Number of Shares   
12,956,579

Number of Voting Rights   
12,956,579

Resulting situation after the triggering transaction

Number of shares   
Direct
N/A

Number of voting rights  
Direct xi
N/A

Indirect xii
14,492,580

% of  voting rights x
Direct   
N/A

Indirect
4.00%     

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial instrument   

Expiration date xiii   

Exercise/Conversion Period xiv   

Number of voting rights that may be acquired if the instrument is exercised/ converted.   

% of voting rights

C: Financial Instruments with similar economic effect to Qualifying Financial Instruments xv, xvi

Resulting situation after the triggering transaction

Type of financial instrument   
CFD

Exercise price   

Expiration date xvii   

Exercise/Conversion period xviii   

Number of voting rights instrument refers to
4,076,628

% of voting rights xix, xx          

Nominal
1.13%

Delta
1.13%

Total (A+B+C)

Number of voting rights   
18,569,208

Percentage of voting rights
5.13%

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

BlackRock Investment Management (UK) Limited – 18,569,208 (5.13%)

Proxy Voting:

10. Name of the proxy holder:    N/A

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:   
Bridget Messer
Company Secretary
IG Group Holdings plc

15. Contact telephone number:   
+44 (0)20 7573 0071