Gulf Keystone:

+44 (0) 20 7514 1400  

Aaron Clark, Head of Investor Relations

& Corporate Communications

aclark@gulfkeystone.com

FTI Consulting

+44 (0) 20 3727 1000

Ben Brewerton

Nick Hennis

GKP@fticonsulting.com

1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

Clare Kinahan

2

Reason for the notification

a)

Position/status

Chief HR Officer

b)

Initial notification/Amendment

Initial notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Gulf Keystone Petroleum Limited

b)

LEI

213800QTAQOSSTNTPO15

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

Common shares of $1.00 each in Gulf Keystone Petroleum Limited

ISIN: BMG4209G2077

b)

Nature of the transaction

Disposal

c)

Price(s) and volume(s)

d)

Aggregated information

50,000

216.3321p

e)

Date of the transaction

23 March 2026

f)

Place of the transaction

London Stock Exchange

1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

Alasdair Robinson

2

Reason for the notification

a)

Position/status

Chief Legal Officer

b)

Initial notification/Amendment

Initial notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Gulf Keystone Petroleum Limited

b)

LEI

213800QTAQOSSTNTPO15

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

Common shares of $1.00 each in Gulf Keystone Petroleum Limited

ISIN: BMG4209G2077

b)

Nature of the transaction

Disposal

c)

Price(s) and volume(s)

d)

Aggregated information

50,000

206.0993p

e)

Date of the transaction

23 March 2026

f)

Place of the transaction

London Stock Exchange

1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

Alasdair Robinson

2

Reason for the notification

a)

Position/status

Chief Legal Officer

b)

Initial notification/Amendment

Initial notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Gulf Keystone Petroleum Limited

b)

LEI

213800QTAQOSSTNTPO15

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Identification code

Common shares of $1.00 each in Gulf Keystone Petroleum Limited

ISIN: BMG4209G2077

b)

Nature of the transaction

Acquisition

c)

Price(s) and volume(s)

d)

Aggregated information

6,536

201.27p

e)

Date of the transaction

24 March 2026

f)

Place of the transaction

London Stock Exchange

1

Details of the person discharging managerial responsibilities/person closely associated

a)

Name

Rhona Robinson

2