Holding(s) in Company

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

Enteq Upstream 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

HARK PTC Limited, in its capacity as Trustee of the Hark One Trust and Trustee of the Lamia Trust, which, on behalf of a subsidiary, has acquired shares in the Issuer

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

Re Hark One Trust holding - EFG Bank

Re Lamia Trust holding - UBS Jersey Nominees Limited

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

17 June 2014

6. Date on which issuer notified:

17 July 2014

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

Below 3%

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

GB00B41Q8Q68

914,443

914,443

1,828,886

914,443

914,443

1.55%

1.55%

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

1,828,886

3.1%

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

HARK PTC Limited as Trustee of the HARK ONE Trust (250,000 shares held by Credit Suisse, 664,443 held directly) = 914,443 shares and equal voting rights

HARK PTC Limited as Trustee of the Lamia Trust = (held by UBS in the name of HARK PTC Limited as Trustee of the Lamia Trust on behalf of Oil & Gas Investments Limited) - 914,443 shares and equal voting rights

Proxy Voting:

10. Name of the proxy holder:

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

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

13. Additional information:

14. Contact name:

Helen Crowther, Butterfield Trust (Guernsey) Limited

15. Contact telephone number:

+44 1481 739194