Nostrum Oil&gas Regulatory News (NOG)

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London, 7 May 2026

Board Change

Nostrum Oil & Gas PLC (LSE: NOG) ("Nostrum" or the "Company"), an independent oil and gas company engaging in the production, development and exploration of oil and gas in the pre-Caspian Basin, today announces that Martin Gudgeon, a non-executive director, warrant director and a member of the Nomination & Governance Committee, the Remuneration Committee and the Strategy Committee of the Board, will step down from the Board with effect from the date on which amendments extending the maturity date of the Company's senior secured notes and senior unsecured notes take effect, as referenced in its announcement on 30 March 2026.

Nikolay Ivin, the Company's Chair, said:

"Martin has been serving on the Board from February 2023 as non-executive director and warrant director, contributing to Nostrum's development since then. On behalf of the whole Board, I would like to thank Martin for his continued service to Nostrum during his term as a director."

LEI: 2138007VWEP4MM3J8B29

Further information

For further information please visit www.nostrumoilandgas.com  

Further enquiries

Nostrum Oil & Gas PLC

Yelena Zhuravleva, CFO

ir@nog.co.uk

TEAM LEWIS

Galyna Kulachek

+ 44 (0) 20 7802 2664

nostrum@teamlewis.com

About Nostrum Oil & Gas

Nostrum Oil & Gas PLC is an independent energy company with gas processing infrastructure and an export hub in north-west Kazakhstan. Its shares are listed on the London Stock Exchange (ticker symbol: NOG). The principal producing asset of Nostrum Oil & Gas PLC is the Chinarevskoye field which is operated by its wholly-owned subsidiary Zhaikmunai LLP, which is the sole holder of the subsoil use rights with respect to the development of the Chinarevskoye field. The Company also owns an 80% interest in Positiv Invest LLP, which holds the subsoil use rights for the "Kamenskoe" and "Kamensko-Teplovsko-Tokarevskoe" areas in the West Kazakhstan region (the Stepnoy Leopard fields).

Forward-Looking Statements

Some of the statements in this document are forward-looking. Forward-looking statements include statements regarding the intent, belief and current expectations of the Company or its officers with respect to various matters. When used in this document, the words "expects", "believes", "anticipates", "plans", "may", "will", "should" and similar expressions, and the negatives thereof, are intended to identify forward-looking statements. Such statements are not promises nor guarantees and are subject to risks and uncertainties that could cause actual outcomes to differ materially from those suggested by any such statements.

No part of this announcement constitutes, or shall be taken to constitute, an invitation or inducement to invest in the Company or any other entity, and shareholders of the Company are cautioned not to place undue reliance on the forward-looking statements. Save as required by the relevant listing rules and applicable law, the Company does not undertake to update or change any forward-looking statements to reflect events occurring after the date of this announcement.