Main Market Admission, AIM Cancellation, New TIDM

Serica Energy PLC

27 October 2026

 

THIS ANNOUNCEMENT IS FOR INFORMATION PURPOSES ONLY AND DOES NOT CONSTITUTE AN OFFER TO SELL OR ISSUE OR SOLICITATION TO BUY, SUBSCRIBE FOR OR OTHERWISE ACQUIRE SHARES IN SERICA ENERGY PLC IN ANY JURISDICTION.

27 October 2026

Serica Energy plc

("Serica Energy" or the "Company")

Admission to trading on the Main Market, AIM cancellation and Change of TIDM

Further to its announcement on 21 October 2026, Serica Energy is pleased to announce that the Company's ordinary shares ("Ordinary Shares") are expected to be admitted to the Equity Shares (Commercial Companies) category of the Official List maintained by the Financial Conduct Authority ("FCA") and to trading on London Stock Exchange plc's ("LSE") main market for listed securities ("Main Market") (together, "Admission") at 8:00am today and simultaneously cancelled from trading on AIM, a market operated by the LSE.

The Company is not offering any new Ordinary Shares nor any other securities in connection with Admission. Following Admission, the Ordinary Shares will continue to be registered under their existing ISIN, GB00B0CY5V57, but will trade under a new TIDM, changing from SQZ to SER.

On Admission, the total number of Ordinary Shares in issue will be 393,568,407 Ordinary Shares of $0.10 each. The Company does not hold any shares in treasury, and therefore at Admission the total number of voting rights in the Company will be 393,568,407. This figure may be used by shareholders as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

The Company's shareholders should consult their own professional advisers regarding the consequences of Admission on their personal tax position.

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Enquiries:

Serica Energy plc	[phone]
Martin Copeland (CFO) / Andrew Benbow (Head of Investor Relations)
Peel Hunt (Sponsor, Nomad & Joint Broker)	[phone]
Richard Crichton / David McKeown / Emily Bhasin
Jefferies (Joint Broker)	[phone]
Sam Barnett / Cameron Jones
Vigo Consulting (PR Advisor)	[phone]
Patrick d'Ancona	[e-mail]

About Serica Energy Plc

Serica Energy is an independent British oil and gas company with a broad portfolio of assets located in the UK Continental Shelf (UKCS). The Company operates assets that deliver around 10% of the UK's gas production, a key component of the UK energy system, and has invested over £1 billion in the UK supply chain since 2020. Serica maintains a broadly balanced output of oil and gas across its operations.

The Company's key producing assets are grouped around two major hubs: the Bruce, Keith, and Rhum fields in the Northern North Sea, where Serica is the operator; and a mix of operated and non-operated fields connected to the Triton FPSO in the Central North Sea. The Company also holds a significant position in the Southern North Sea, including a 15% stake in the Cygnus field and 25% in Clipper South, and a notable position West of Shetland, including a 40% operated stake in the Greater Laggan Area offshore fields and associated Shetland Gas Plant.

Serica aims to create shareholder value through a mix of production from existing oil and gas fields, organic investment and M&A.

From Admission, Serica's Ordinary Shares will trade on the Main Market of the LSE (ticker: SER). More information about Serica is available on the Company's website (www.serica-energy.com). To receive news updates by email, interested parties can subscribe through the website.

Important Notice

This announcement contains statements that are, or may be deemed to be, 'forward-looking statements'. These forward-looking statements can be identified by the use of words such as 'will', 'expect', 'could', 'believe', 'intend', 'should' and words of similar meaning. All statements other than statements of historical facts included in this announcement, including those regarding the Company's strategy, plans and objectives and the anticipated Admission are forward-looking statements. Readers are cautioned not to place undue reliance on such statements. Forward-looking statements involve a number of known and unknown risks, uncertainties and other factors, many of which are difficult to predict and generally beyond the control of Serica. These forward-looking statements speak only as of the date of this announcement. Serica expressly disclaims any obligation or undertaking to update or revise any forward-looking statement (except to the extent legally required).

Peel Hunt LLP ('Peel Hunt'), which is authorised and regulated in the United Kingdom by the FCA, is acting exclusively for the Company  as Sponsor and no one else in connection with Admission and it will not regard any other person as a client in relation to Admission and will not be responsible to anyone other than the Company  for providing the protections afforded to its clients or for providing advice in relation to Admission or any other transaction, matter, or arrangement referred to in this announcement.

This announcement has been issued by, and is the sole responsibility of, the Company. No representation or warranty, express or implied, is or will be made as to, or in relation to, and no responsibility or liability is or will be accepted by Peel Hunt or by any of its affiliates, partners, directors, officers, employees, advisers or agents as to or in relation to, the accuracy or completeness of this announcement or any other written or oral information made available to or publicly available to any interested party or its advisers, and any liability therefore is expressly disclaimed.

 

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