Mosman Oil and Gas Limited

("Mosman" or the "Company")

Falcon Production

Mosman Oil and Gas Limited (AIM: MSMN) the oil exploration, development and production company, is pleased to announce that further to the Operations update on 17 February, the Falcon-1 well in East Texas, USA returned to gas and oil (condensate) production on 21 February as the freezing weather conditions eased.

John W Barr, Chairman, said: "The widespread production challenges in Texas last week, was partly created by the rolling blackouts and freezing weather conditions. Mosman is pleased that the operator at Falcon and the on-site contractors have reinstated production and kept downtime to a minimum."

Competent Person's Statement

The information contained in this announcement has been reviewed and approved by Andy Carroll, Technical Director for Mosman, who has over 35 years of relevant experience in the oil industry. Mr. Carroll is a member of the Society of Petroleum Engineers.

Market Abuse Regulation (MAR) Disclosure

Certain information contained in this announcement would have been deemed inside information for the purposes of Article 7 of Regulation (EU) No 596/2014 until the release of this announcement.

Enquiries:

Mosman Oil & Gas Limited John W Barr, Executive Chairman Andy Carroll, Technical Director

jwbarr@mosmanoilandgas.com acarroll@mosmanoilandgas.com

NOMAD and Broker

SP Angel Corporate Finance LLP

Stuart Gledhill / Richard Hail / Soltan Tagiev

+44 (0) 20 3470 0470

Alma PR

Justine James

+44 (0) 20 3405 0205

+44 (0) 7525 324431

mosman@almapr.co.uk

Joint Broker

Monecor (London) Ltd trading as ETX Capital Thomas Smith

020 7392 1432

Updates on the Company's activities are regularly posted on its website:

www.mosmanoilandgas.com

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