Seplat Energy PlcLSE: SEPL

Notification on share dealing

· MarketScreener

TR-1: Standard form for notification of major holdings

1. Issuer Details ISIN



NGSEPLAT0008

Issuer Name

SEPLAT ENERGY PLC

UK or Non-UK Issuer

Non-UK

  1. Reason for Notification

    An acquisition or disposal of voting rights

Sustainable Capital Ltd

  1. Details of person subject to the notification obligation Name

    City of registered office (if applicable)

    Moka

Country of registered office (if applicable)

Mauritius

  1. Details of the shareholder

    Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above City of registered office (if applicable) Country of registered office (if applicable)
  2. Date on which the threshold was crossed or reached

    30-Mar-2026

  1. Date on which Issuer notified

31-Mar-2026

7. Total positions of person(s) subject to the notification obligation



% of voting rights attached to shares (total of 8.A)

% of voting rights through financial instruments (total of 8.B 1 +

8.B 2)

Total of both in

% (8.A + 8.B)

Total number of voting rights held in issuer

Resulting situation on the date on which threshold was crossed or reached

6.180000

0.000000

6.180000

36704179

Position of previous notification (if applicable)

10.010000

0.000000

10.010000

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached

8A. Voting rights attached to shares

Class/Type of shares ISIN code(if possible)

Number of direct voting rights (DTR5.1)

Number of indirect voting rights (DTR5.2.1)

% of direct voting rights (DTR5.1)

% of indirect voting rights (DTR5.2.1)

NGSEPLAT0008

36704179

0

6.180000

0.000000

Sub Total 8.A

36704179

6.180000%

8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))

Type of financial instrument

Expiration date

Exercise/conversion period

Number of voting rights that may be acquired if the instrument is exercised/converted

% of voting rights

Sub Total 8.B1

8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))

Type of financial

instrument

Expiration date

Exercise/conversion period

Physical or cash settlement

Number of voting rights

% of voting

rights

Sub Total 8.B2

9. Information in relation to the person subject to the notification obligation

2. Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary)

Ultimate controlling person

Name of controlled undertaking

% of voting rights if it equals or is higher than the

% of voting rights through financial instruments if it

Total of both if it equals or is higher

notifiable threshold

equals or is higher than the notifiable threshold

than the notifiable threshold

Sustainable Capital Limited

HSBC FSD CLTS A/C 006 (HSBC BANK PLC)

10.010000

0.000000

10.010000%

Sustainable Capital Limited

HSBC FSD CLTS A/C 006 (HSBC BANK PLC)

6.180000

0.000000

6.180000%

  1. In case of proxy voting Name of the proxy holder

    The number and % of voting rights held The date until which the voting rights will be held
  2. Additional Information

  3. Date of Completion

  4. Place Of Completion

Mauritius