$100 million share buyback programme

Harbour Energy plc

("Harbour" or the "Company")

$100 million share buyback programme

7 August 2025

Harbour has today announced a share buyback programme of the Company's ordinary shares for up to a maximum aggregate consideration of $100 million. 

The purpose of the programme is to reduce the Company's share capital and all ordinary shares purchased as part of this programme will be cancelled. The programme is expected to commence on 8 August 2025 and will end no later than 31 March 2026. Harbour has entered into an irrevocable, non-discretionary agreement with Merrill Lynch International to execute the programme on its behalf. 

Any purchases of ordinary shares by the Company in relation to this announcement will be conducted in accordance with the relevant regulations (including but not limited to the Listing Rules) and Harbour's general authority to repurchase shares. Pursuant to the authority granted by shareholders at the Company's Annual General Meeting held on 8 May 2025, the maximum number of ordinary shares which may be purchased by the Company is 215,873,417.

Enquiries

Harbour Energy plc

Elizabeth Brooks, SVP Investor Relations

Andy Norman, SVP Communications

Tel: +44 (0) 20 3833 2320

Email: [email protected]

About Harbour Energy Since its creation in 2014, Harbour has grown to become one of the world's largest and most geographically diverse independent oil and gas companies.

Today, Harbour is producing over 450,000 barrels of oil equivalent per day with significant production in Norway, the UK, Germany, Argentina and North Africa. Harbour benefits from competitive operating costs and resilient margins, and a broad set of growth options including near-infrastructure opportunities in Norway, unconventional scalable opportunities in Argentina and conventional offshore projects in Mexico and Indonesia.

With low GHG emissions intensity and a leading CO2 storage position in Europe, Harbour remains committed to producing oil and gas safely and responsibly to help meet the world's energy needs.

Harbour is headquartered in London with approximately 3,400 employees and direct contract staff across its operations and offices.