Samson Oil & Gas Advisory – Month-over-Month Production Increased 47% in February 2015

Samson Oil & Gas Limited (ASX: SSN; NYSE MKT: SSN):

TOTAL COMPANY PRODUCTION

Samson’s net monthly production for the last five months is as follows;

February production was significantly higher due to a number of North Stockyard being returned to production. All of the infill development wells drilled in North Stockyard during 2014 are now in a position to be produced, however given the low oil price, 6 of the wells will remain shut in pending the recovery of the oil price.

HEDGE BOOK

Samson has the following hedges in place:

As at March 13^th, 2015 the book value of the hedge was $2.2 million as valued by Samson’s counterparty.

NORTH STOCKYARD PROJECT, WILLIAMS COUNTY, NORTH DAKOTA

The infill development plan for North Stockyard consists of 8 middle Bakken wells that have been drilled and 22 Three Forks wells of which 9 have been drilled (8 in the First Bench and 1 in the Second Bench). Given the curtailment of the infill development program, there will remain an undrilled balance of 13 wells. For ease of reference, the current status of each well is set out below with separate tables for each drill pad:

COMMENTARY

All wells in the North Stockyard field are currently being produced at lower than maximum capacity due to pipeline constraints and the weak oil price.

All of the 17 drilled in fill wells in North Stockyard have now been fracked and cleaned out and are capable of producing however 6 are currently shut in, waiting on an improvement in the oil price.

Samson’s working interest and its net revenue interest for the North Stockyard Project is set out in the following table:

RAINBOW PROJECT, WILLIAMS COUNTY, NORTH DAKOTA

Gladys 1-20H (SSN 23%)

The Gladys 1-20 H well has been drilled by Continental Resources to a total depth of 19,994 feet. The well is a 1,280 acre lateral (approximately 10,000 feet) in the middle member of the Bakken Formation.

Samson’s Ordinary Shares are traded on the Australian Securities Exchange under the symbol “SSN.” Samson’s American Depository Shares (ADSs) are traded on the New York Stock Exchange MKT under the symbol “SSN.” Each ADS represents 20 fully paid Ordinary Shares of Samson. Samson has a total of 2,837 million ordinary shares issued and outstanding (including 230 million options exercisable at AUD 3.8 cents), which would be the equivalent of 141.85 million DSs. Accordingly, based on the NYSE MKT closing price of US$0.24 per ADS on March 16^th, 2015, the Company has a current market capitalization of approximately US$27.87 million (the options have been valued at an exchange rate of 0.7642). Correspondingly, based on the ASX closing price of A$0.013 for ordinary shares and a closing price of A$0.002 for the 2017 options, on March 16^th, 2015, the Company has a current market capitalization of approximately A$37.3 million.

SAMSON OIL & GAS LIMITED

TERRY BARR

Managing Director

Statements made in this press release that are not historical facts may be forward-looking statements, including but not limited to statements using words like “may”, “believe”, “expect”, “anticipate”, “should” or “will.” Actual results may differ materially from those projected in any forward-looking statement. There are a number of important factors that could cause actual results to differ materially from those anticipated or estimated by any forward-looking information, including uncertainties inherent in estimating the methods, timing and results of exploration activities. A description of the risks and uncertainties that are generally attendant to Samson and its industry, as well as other factors that could affect Samson’s financial results, are included in the prospectus and prospectus supplement for its recent Rights Offering as well as the Company’s report to the U.S. Securities and Exchange Commission on Form 10-K, which are available atwww.sec.gov/edgar/searchedgar/webusers.htm.