Harbour Energy Regulatory News (HBR)

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Potomac View Investments, L.P.

2

Reason for the notification

a)

Position / status

Person closely associated with R. Blair Thomas, Chairman of Harbour Energy plc

b)

Initial notification / Amendment

Initial Notification

3

Details of the issuer

a)

Name

Harbour Energy plc

b)

LEI

213800YPC42DYBKVPF97 

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

Ordinary shares of 0.002 pence each in Harbour Energy plc (ISIN: GB00BMBVGQ36)

b)

Nature of the transaction

Sale of ordinary shares

c)

Price(s) and volume(s)

d)

Aggregated information

- Aggregated volume

- Price

e)

Date of the transaction

3 July 2026

f)

Place of the transaction

LSE off-market