Mosman Oil and Gas Limited

("Mosman" or the "Company")

Result of Annual General Meeting

Mosman Oil and Gas Limited (AIM: MSMN) the hydrocarbon, helium and hydrogen exploration, development, and production company, announces that the 2023 AGM was held in Sydney earlier today.

The Board is pleased to announce that Resolutions 1 and 2 were passed by way of a show of hands with overwhelming support via proxy, and provides notice this day that Mr Nigel Harvey and Mr Carl Dumbrell were re-elected to the Board.

With regards to Resolutions 1 and 2, the following proxies were received:

Resolution	For	Against	Percentage voted in favour
Resolution 1	303,910,818	9,800,716	96.9%
Resolution 2	303,910,818	12,887,056	95.9%

Market Abuse Regulation (MAR) Disclosure

The information contained within this announcement is deemed by the Company to constitute inside information as stipulated under the Market Abuse Regulations (EU) No. 596/2014 ('MAR') which has been incorporated into UK law by the European Union (Withdrawal) Act 2018. Upon the publication of this announcement via Regulatory Information Service ('RIS'), this information is now considered to be in the public domain.

Enquiries:

Mosman Oil & Gas Limited

Andy Carroll

CEO

acarroll@mosmanoilandgas.com

NOMAD and Joint Broker

SP Angel Corporate Finance LLP

Stuart Gledhill / Richard Hail / Adam Cowl

+44 (0) 20 3470 0470

Alma

Justine James

+44 (0) 20 3405 0205

+44 (0) 7525 324431

mosman@almastrategic.com

Joint Broker

CMC Markets UK Plc

Douglas Crippen

+44 (0) 020 3003 8632

Updates on the Company's activities are regularly posted on its website: www.mosmanoilandgas.com

Notes to editors

Mosman (AIM: MSMN) is an oil exploration, development, and production company with projects in the US and Australia. Mosman's strategic objectives remain consistent: to identify opportunities which will provide operating cash flow and have development upside, in conjunction with progressing exploration of existing exploration permits. The Company has several projects in the US, in addition to exploration projects in the Amadeus Basin in Central Australia.

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