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

X

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

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

12 May 2016

6. Date on which issuer notified:

16 May 2016

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

Below 5%

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

16,609,135

16,609,135

14,395,894

4.9999%

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

14,395,894

4.9999%

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

The Goldman Sachs Group, Inc.; 14,395,894 shares; 4.9999%

GSEM (DEL) Inc. (Controlled by The Goldman Sachs Group, Inc.); 10,796,920.50 shares; 3.7499%

Goldman Sachs Global Holdings L.L.C. (Controlled by The Goldman Sachs Group, Inc.); 3,598,973.50 shares; 1.2500%

Goldman Sachs International Holdings LLC (Controlled by GSEM (DEL) Inc. and Goldman Sachs Global Holdings L.L.C.); 14,395,894 shares; 4.9999%

Goldman Sachs Strategic Investments (U.K.) Limited (Controlled by Goldman Sachs International Holdings LLC); 14,395,894 shares; 4.9999%

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:

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