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

ENERGEAN OIL & GAS 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

Clal Insurance Company Ltd.

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

N/A

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

9 March 2020

6. Date on which issuer notified:

29 March 2020

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

Above 9%

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

15,883,171

8.97%

458,577

458,577

15,778,032

0.26%

8.91%

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

N/A

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

N/A

Nominal

Delta

Total (A+B+C)

Number of voting rights

Percentage of voting rights

  16,236,609

9.17%

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

Clal Insurance Company Ltd. ("Clal") controls directly or indirectly the voting rights attached to a total of 16,236,609 ordinary shares in Energean Oil & Gas Plc ("Energean") through several of its controlled undertakings, as stated below:

Of total of 16,236,609 ordinary shares (a) 458,577 Ordinary Shares are beneficially held for its own account; and (b) 15,778,032 Ordinary Shares are held for members of the public through, among others, provident funds and/or pension funds and/or insurance policies, which are managed by Clal and subsidiaries of Clal (Clal Pension and Provident funds Ltd. and Atudot Pension Fund for Workers & Independent Workers Ltd.) which operates under independent management and make independent voting and investment decisions.

The 16,236,609 ordinary shares represent 9.17% of the voting rights attached to Energean's shares (based on the total number of issued shares in Energean being 177,089,406 ordinary shares).

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:

N/A

14. Contact name:

Adi Barkan Stern

Company Secretary

Clal Insurance Enterprises Holdings Ltd

15. Contact telephone number:

+972-3-6387634