Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARESi

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

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: iii

The Goldman Sachs Group, Inc.

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

Goldman Sachs Strategic Investments (U.K.) Limited (previous holder of shares)

Goldman Sachs International

(new holder of shares)

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

17 May 2016

6. Date on which issuer notified:

19 May 2016

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

N/A - there is no change in the number of shares in respect of which the voting rights are controlled by The Goldman Sachs Group, Inc., although there has been a change in the entity holding the shares and the chain of controlled entities through which the shares are held

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

GB00B14SKR37

14,475,261

14,475,261

14,479,035

5.0288%

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

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

14,479,035

5.0288%

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

Following an internal transfer of 14,395,894 shares from Goldman Sachs Strategic Investments (U.K.) Limited to Goldman Sachs International, the shares are held through the following chain of controlled undertakings:

The Goldman Sachs Group, Inc.; 14,479,035 shares; 5.0288%

Goldman Sachs (UK) L.L.C. (Controlled by The Goldman Sachs Group, Inc.); 14,479,035 shares; 5.0288%

Goldman Sachs Group UK Limited (Controlled by Goldman Sachs (UK) L.L.C.); 14,479,035 shares; 5.0288%

Goldman Sachs International (Controlled by Goldman Sachs Group UK Limited); 14,479,035 shares; 5.0288%

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:

Goldman Sachs International has, in respect of the shareholding in CMC Markets plc which is the subject of this internal transfer, agreed to be subject to the same lock-up restrictions (a 180 day lock-up from the date of admission) to which Goldman Sachs Strategic Investments (U.K.) Limited was subject in connection with the initial public offering of CMC Markets plc. These restrictions are contained in the underwriting agreement dated 26 January 2016, to which Goldman Sachs International has acceded with effect from 17 May 2016, and are described in the prospectus issued by CMC Markets plc dated 26 January 2016.

Please note, total amount of voting rights have been rounded to 4 decimal places therefore there is a possibility of a rounding error.

General email contact:

[email protected]

14. Contact name:

Joanna Foley

15. Contact telephone number:

+44 207 051 9996