RNS Number : 0462S

Mosman Oil and Gas Limited

12 June 2024

Mosman Oil and Gas Limited

("Mosman" or the "Company")

EP 145 - Helium Project Update

Greenvale Receives Grant for 2D Seismic

Mosman Oil and Gas Limited (AIM: MSMN) the hydrocarbon, helium and hydrogen exploration, development and production company, notes the following update from Greenvale Energy Ltd (ASX:GRV), its farmin partner and Operator of the EP 145 project in the Amadeus Basin in Central Australia.

Highlights

·	Greenvale awarded a $100,000 co-funding grant in Round 17 of the NTGS Geophysics and Drilling Collaborations program.
·	Grant to be used to fund an initial seismic line in EP145 as part of the upcoming 2D seismic program.
·	Seismic data acquisition to commence in August, providing a key dataset for Greenvale to target ultra-high-grade helium, hydrogen and hydrocarbon resources in the highly prospective Amadeus Basin.
·	Exciting opportunity for Greenvale to become a supplier to the rapidly growing helium market, which is experiencing severe supply shortages and strong demand growth and pricing

https://www.asx.com.au/markets/trade-our-cash-market/announcements.grv

Mosman retains 25% of EP145 with 75% farmed out to Greenvale. The grant to Greenvale, while positive for the project, does not impact the economics for Mosman directly with Greenvale carrying Mosman for the cost of seismic acquisition in accordance with the terms of the farm in agreement.

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 / Will Merison

+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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