Total Voting Rights

Harbour Energy plc

(the "Company" or "Harbour")

Total Voting Rights

2 March 2026

As at 28 February 2026, the Company's issued share capital consisted of 1,579,724,339 Ordinary Shares of 0.002 pence with voting rights. Harbour does not hold any shares in Treasury.

The figure of 1,579,724,339 may be used by shareholders as the denominator for the calculations by which they may determine whether or not they are required to notify their interest in, or a change to their interest in, the share capital of the Company under the FCA's Disclosure and Transparency Rules.

Enquiries
Victoria Jackson   
Harbour Energy plc
 +44 (0) 20 7730 1111