Ceps Regulatory News (CEPS)

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

CEPS 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 the notification obligation: iii

Elizabeth Joan Horner

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

Rock (Nominees) Limited

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

12th July 2013

6. Date on which issuer notified:

12th July 2013

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

Above 6%

Class/type ofshares

if possible usingthe ISIN CODE

Situation previousto the triggeringtransaction

Resulting situation afterthe triggeringtransaction

NumberofShares

NumberofVotingRights

Numberof shares

Number ofvotingrights

% of votingrights x

Direct

Direct xi

Indirect xii

Direct

Indirect

Ordinary

GB00B86TNX04

100,000

100,000

350,000

350,000

6.47%

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

Exerciseprice

Expirationdate xvii

Exercise/Conversionperiod xviii

Number of votingrights instrumentrefers to

% of votingrights xix, xx

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

350,000

6.47%

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

Proxy Voting:

10. Name of the proxy holder:

11. Number of voting rights proxy holder will cease to hold:

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

13. Additional information:

14. Contact name:

Vivien Langford

15. Contact telephone number:

01225 483030