Mosman Oil and Gas Limited (AIM: MSMN) the oil exploration, development, and production company, announces that the 2021 AGM was held in Sydney earlier today. The meeting was held in accordance with COVID protocols currently in place in Sydney, and Australia.

Resolution 1, the re-election of Mr. JW Barr as a Director, was placed before shareholders. The following proxies were received:

For

511,967,495

78.44%

Against

138,546,916

21.23%

Abstain

2,134,772

0.33%

The Resolution was passed on a show of hands.

Resolution 2, in respect of a potential share consolidation, was withdrawn as previously announced.

Previously the Company had sought questions from shareholders. A summary of the questions and answers will be published on the Company’s website.

Enquiries:

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

jwbarr@mosmanoilandgas.com acarroll@mosmanoilandgas.com

NOMAD and Joint Broker

SP Angel Corporate Finance LLP

Stuart Gledhill / Richard Hail / Adam Cowl

+44 (0) 20 3470 0470

Alma PR

Justine James / Joe Pederzolli

+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