21 October 2025

Serica Energy plc
('Serica' or 'the Company')

Update on production at Triton FPSO

Following the announcement on 8 October that an issue with the flare system on the Triton FPSO resulted in a temporary suspension of production, production resumed in line with expectations at a limited level shortly after that date. Since then, the operator has ramped up production, which has now reached a rate of over 25,000 boepd net to Serica.

This announcement is inside information for the purposes of Article 7 of Regulation 596/2014.

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NOTES TO EDITORS

Serica Energy is a British independent oil and gas exploration and production company with a portfolio of UKCS assets. Serica has a balance of gas and oil production. The Company is responsible for about 5% of the natural gas produced in the UK, a key element in the UK's energy transition.

Serica's producing assets are focused around two main hubs: the Bruce, Keith and Rhum fields in the UK Northern North Sea, which it operates, and a mix of operated and non-operated fields tied back to the Triton FPSO. Serica also has operated interests in the producing Columbus (UK Central North Sea) and Orlando (UK Northern North Sea) fields and a non-operated interest in the producing Erskine field in the UK Central North Sea.

Serica has a two-pronged strategy for growth comprising investment in its existing portfolio and M&A. Further information on the Company can be found at www.serica-energy.com. The Company's shares are traded on the AIM market of the London Stock Exchange under the ticker SQZ and the Company is a designated foreign issuer on the TSX. To receive Company news releases via email, please subscribe via the Company website.