30 November 2018

Mosman Oil and Gas Limited

("Mosman" or the "Company")

Stanley-2 Drilling Update

Mosman Oil and Gas Limited (AIM: MSMN) the oil exploration, development and production company, announces an update in respect to the Stanley-2 development well which is targeting oil in the Yegua sands.

The rig is already in the area, and will move to drill Stanley-2 as soon as the current well being drilled for another operator is finished. Stanley-2 results are anticipated in December.

John W Barr, Chairman, said: 

"The Stanley-2 well is the next step in the accelerated development of the multiple pay zone Stanley field. Stanley-1 continues to produce and generate revenue."

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:

Updates on the Company's activities are regularly posted on its website www.mosmanoilandgas.com