Holding(s) in Company

TR-1: NOTIFICATION OF MAJOR INTEREST IN SHARES

i

1. Identity of the issuer or the underlying issuer

of existing shares to which voting rights are

attached:

ii

EnQuest PLC

2 Reason for the notification

(please tick the appropriate box or boxes):

An acquisition or disposal of voting rights

YES

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

Aberforth Partners LLP

4. Full name of shareholder(s)

(if different from 3.):

iv

Shareholder Shares

1. Aberforth Smaller

Companies Trust plc

39,712,463

2. Aberforth UK Small

Companies Fund

5,442,751

All shares are registered in the name of Nortrust Nominees Ltd A/c Aberfrth

5. Date of the transaction and date on

which the threshold is crossed or

reached:

v

07/01/2016

6. Date on which issuer notified:

08/01/2016

7. Threshold(s) that is/are crossed or

reached:

vi, vii

5%

8. Notified details:

A: Voting rights attached to shares

viii, ix

Class/type of

shares

if possible using

the ISIN CODE

Situation previous

to the triggering

transaction

Resulting situation after the triggering transaction

Number

of

Shares

Number

of

Voting

Rights

Number

of shares

Number of voting

rights

% of voting rights

x

Direct Direct

xi Indirect xii Direct Indirect

Ordinary

GB00B635TG28

Below 5% Below 5% 45,155,214 n/a 45,155,214 n/a 5.63

B: Qualifying Financial Instruments

Resulting situation after the triggering transaction

Type of financial

instrument

Expiration

date

xiii

Exercise/

Conversion Period

xiv

Number of voting

rights that may be

acquired if the

instrument is

exercised/ converted.

% of voting

rights

n/a n/a n/a n/a n/a

C: Financial Instruments with similar economic effect to Qualifying Financial
Instruments

xv, xvi

Resulting situation after the triggering transaction

Type of financial

instrument

Exercise

price

Expiration

date

xvii

Exercise/

Conversion

period

xviii

Number of voting rights

instrument refers to

% of voting rights

xix,

xx

n/a

n/a n/a n/a

n/a

Nominal Delta

n/a n/a

Total (A+B+C)

Number of voting rights Percentage of voting rights

45,155,214 5.63%

9. Chain of controlled undertakings through which the voting rights and/or the

financial instruments are effectively held, if applicable:

xxi

Held by Aberforth Partners LLP

Proxy Voting:

10. Name of the proxy holder:

n/a

11. Number of voting rights proxy holder will cease

to hold:

n/a

12. Date on which proxy holder will cease to hold

voting rights:

n/a

13. Additional information:

14. Contact name:

Stefan Ricketts, Company Secretary

15. Contact telephone number:

0207 925 4900