Harbour Energy PlcLSE: HBR

Director Declaration

· Issued by Harbour Energy Plc

Harbour Energy plc

(the "Company" or "Harbour")

Director Declaration

30 January 2026

Pursuant to the UK Listing Rule 6.4.9R requirement to give notice of a change in directorships held by directors, the Company announces that Gergory Hill, a non-executive director of the Company, has been appointed as a director on the board of Ovintiv, Inc. with effect from 30 January 2026.

Enquiries

Harbour Energy plc

+44 (0) 20 7730 1111

Rachel Rickard, Company Secretary