TR1: Notification of Major Interest in Shares

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

CMC MARKETS PLC

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

An acquisition or disposal of voting rights

ü

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: iii

PETER CRUDDAS

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

5. Date of the transaction and date onwhich the threshold is crossed orreached: v

10/02/2016

6. Date on which issuer notified:

11/02/2016

7. Threshold(s) that is/are crossed orreached: vi, vii

64%, 63%, 62%, 61%, 60%, 59%, 58%

8. Notified details:

A: Voting rights attached to shares viii, ix

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation after the triggering transaction

NumberofShares

NumberofVotingRights

Numberof shares

Number of votingrights

% of voting rights x

Direct

Direct xi

Indirect xii

Direct

Indirect

Ordinary Shares

180,794,340

180,794,340

158,357,767

158,357,767

55.00

GB00B14SKR37

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financialinstrument

Expirationdate xiii

Exercise/Conversion Period xiv

Number of votingrights that may beacquired if theinstrument isexercised/ converted.

% of votingrights

Stock Lending Agreement

9 March 2016

n/a

6,797,607

2.36

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

Resulting situation after the triggering transaction

Type of financialinstrument

Exercise price

Expiration date xvii

Exercise/Conversion period xviii

Number of voting rights instrument refers to

% of voting rights xix, xx

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

165,155,374

57.36

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

Proxy Voting:

10. Name of the proxy holder:

n/a

11. Number of voting rights proxy holder will ceaseto hold:

n/a

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

n/a

13. Additional information:

Pursuant to the Stock Lending Agreement with Morgan Stanley & Co. International Plc and Goldman Sachs Strategic Investments (U.K.) Limited, Peter Cruddas has disposed of an interest in 6,797,607 Ordinary Shares, but at the same time acquired an interest in an equal number of Ordinary Shares under that Agreement as a result of the right to re-delivery granted to him in respect of 6,797,607 Ordinary Shares.

14. Contact name:

PETER CRUDDAS

15. Contact telephone number:

020 7170 8200