Notification of Transactions of Directors

1.

Name of the issuer

SEPLAT PETROLEUM DEVELOPMENT COMPANY PLC

2.

State whether the notification relates to (i) a transaction notified in accordance with DTR 3.1.2 R, (ii) a disclosure made in accordance with section 793 of the Companies Act 2006, or (iii) in accordance with paragraph 26 of the Model Code

A TRANSACTION NOTIFIED IN ACCORDANCE WITH DTR 3.1.2R.

3.

Name of person discharging managerial responsibilities/director

DR. CHARLES OKEAHALAM

4.

State whether notification relates to a person connected with a person discharging managerial responsibilities/director named in 3 and identify the connected person

NOTIFICATION NOT RELATED TO CONNECTED PERSON.

5.

Indicate whether the notification is in respect of a holding of the person referred to in 3 or 4 above or in respect of a non-beneficial interest

AS IN 3 ABOVE

6.

Description of shares (including class), debentures or derivatives or financial instruments relating to shares

ORDINARY NGN0.50 SHARES

7.

Name of registered shareholders(s) and, if more than one, the number of shares held by each of them

DR. CHARLES OKEAHALAM

8

State the nature of the transaction

ACQUISITION

.

Number of shares, debentures or financial instruments relating to shares acquired

102,000

10.

Percentage of issued class acquired (treasury shares of that class should not be taken into account when calculating percentage)

0.018%

11.

Number of shares, debentures or financial instruments relating to shares disposed

N/A

12.

Percentage of issued class disposed (treasury shares of that class should not be taken into account when calculating percentage)

N/A

13.

Price per share or value of transaction

£1.275

14.

Date and place of transaction

LONDON, 22 MAY 2015

15.

Total holding following notification and total percentage holding following notification (any treasury shares should not be taken into account when calculating percentage)

502,000

0.09%

16.

Date issuer informed of transaction

22 MAY 2015

17

Date of grant

N/A

18.

Period during which or date on which exercisable

N/A

19.

Total amount paid (if any) for grant of the option

N/A

20.

Description of shares or debentures involved (class and number)

N/A

21.

Exercise price (if fixed at time of grant) or indication that price is to be fixed at the time of exercise

N/A

22.

Total number of shares or debentures over which options held following notification

N/A

23.

Any additional information

N/A

24.

Name of contact and telephone number for queries

ROGER BROWN, CFO

+44 (0) 203 725 6500

Name of authorised officer of issuer responsible for making notification

ROGER BROWN, CFO

Date of notification 26 May 2015