Changes in Board Committee Composition

London, 27 February 2023

Changes in Board Committee Composition

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 the following appointments to the Board committees with immediate effect:

Audit Committee

· Fiona Paulus (Chair)

· Chris Cox

· Christopher Hopkinson

Nomination and Governance Committee

· Chris Cox (Chair)

· Martin Gudgeon

· Christopher Hopkinson

· Fiona Paulus

· Stephen Whyte

Remuneration Committee

· Christopher Hopkinson (Chair)

· Chris Cox

· Martin Gudgeon

· Fiona Paulus

Strategy Committee

· Stephen Whyte (Chair)

· Martin Gudgeon

· Arfan Khan

In addition, Christopher Hopkinson has been appointed as the Company's non-executive director designated with the task of obtaining the views of the Company's workforce and feeding these into the Board's decision-making processes.

LEI: 2138007VWEP4MM3J8B29

Further information

For further information please visit www.nostrumoilandgas.com 

Further enquiries:

Nostrum Oil & Gas PLC

Thomas Hartnett - Chief Legal Officer / Company Secretary

ir@nog.co.uk

Instinctif Partners - UK

Tim McCall

Galyna Kulachek

Vivian Lai

+ 44 (0) 207 457 2020

nostrum@instinctif.com

Notifying person

Thomas Hartnett

Company Secretary

About Nostrum Oil & Gas

Nostrum Oil & Gas PLC is an independent oil and gas company currently engaging in the production, development and exploration of oil and gas in the pre-Caspian Basin. Its shares are listed on the London Stock Exchange (ticker symbol: NOG), the Astana International Exchange (ticker symbol: NOG) and the Kazakhstan Stock Exchange (ticker symbol: GB_NTRM). The principal producing asset of Nostrum Oil & Gas PLC is the Chinarevskoye field, that is being operated by a wholly-owned subsidiary of Nostrum Oil & Gas PLC - Zhaikmunai LLP, who is the sole holder of the subsoil use rights with respect to the development of the field.

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.