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Transaction in Own Shares • Dec 22, 2022

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RNS Number : 6118K

Mosman Oil and Gas Limited

22 December 2022

22 December 2022

Mosman Oil and Gas Limited

("Mosman" or the "Company")

Cinnabar-1 well update

Mosman Oil and Gas Limited (AIM: MSMN) the oil exploration, development, and production company, provides an update in respect to the Cinnabar-1 well in Tyler County, Texas. Mosman has a 75% working interest in the well and the lease.

Mosman takes this opportunity to state that the service rig will be nonoperational between 23 and 27 December. In addition, in the last week some required services were not available and will not be so until the 27th. As a result of these circumstances the well is not yet on production.

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 John W Barr, Executive Chairman Andy Carroll, Technical Director [email protected] [email protected]	NOMAD and Joint Broker SP Angel Corporate Finance LLP Stuart Gledhill / Richard Hail / Adam Cowl +44 (0) 20 3470 0470
Alma PR Justine James +44 (0) 20 3405 0205 +44 (0) 7525 324431 [email protected]	Joint Broker Monecor (London) Ltd trading as OvalX Thomas Smith 020 7392 1432

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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