1 July 2020

Mosman Oil and Gas Limited

 ("Mosman" or the "Company")

Resolution of Blackstone Oil and Gas, INC. (Blackstone) matters

Mosman Oil and Gas Limited (AIM: MSMN) the oil exploration, development and production company, advises that it has today executed an agreement with Blackstone to resolve all outstanding matters between the two parties.

In accordance with the settlement agreement, Blackstone has paid Mosman an amount of USD 107,500 (AUD C 155,000)

John W Barr, Chairman, said: "Mosman is pleased to resolve this matter. The business plan continues to be increasing production with a focus on operations in East Texas."

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.

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