RNS Number: 7793L
IG Group Holdings plc
8 July 2014

Notification of major interest 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 the notification (please tick the appropriate box or boxes)

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

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 the notification obligation:

Massachusetts Financial Services Company

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

MFS invests in securities of the issuer on behalf of its various mutual funds and institutional account clients.

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

4 July 2014

6. Date on which issuer notified:

7 July 2014

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

10%

8. Notified details:

A: Voting rights attached to shares

Class/type 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

Direct

Indirect

GB00B0
6QFB75

36,575,465

36,575,465

36,574,828

9.9998%

B: Qualifying 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






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

Resulting situation after the triggering transaction

Type of financial instrument

Exercise price

Expiration date

Exercise/conversion period

Number of voting rights instrument refers to

% of voting rights

Nominal

Delta

Total (A+B+C)

Number of voting rights

% of voting rights

36,574,828 9.9998%

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

Entity

Voting Rights

% of TSO

MFS Investment Management Canada Ltd             

            164,128

0.0449%

Massachusetts Financial Services Company         

       23,716,460

6.4842%

MFS Heritage Trust Company                       

            469,722

0.1284%

MFS Institutional Advisors, Inc.                 

         1,319,210

0.3607%

MFS International Ltd.

            649,406

0.1776%

MFS International (U.K.) Ltd.                    

         9,883,644

2.7023%

MFS Investment Management K.K.                   

            372,258

0.1018%




Total

36,574,828

9.9998%

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:

Robert R. Flaherty

15. Contact telephone number:

617-954-5814

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