Announcement PDF 1 September 14, 2026 Stonehorse Production & Wells Update for the Drumheller Development in Alberta, Canada KEY HIGHLIGHTS: Stonehorse Canada Corporation (SCC) continues to increase development activity in the Drumheller Area of Alberta, Canada. The new Drumheller development wells #5, and #6 were successfully completed and safely brought online in August. Wells #7 and #8 have also been completed, recently been tied into facilities and online. These wells are currently cleaning up with a stabilized flow rate by mid-September. The latest combined production rate for wells #5 and #6 adds 262 BOEPD (65% oil weighted) to the Canadian business. Total production to date for SCC in the Drumheller area is >500 BOEPD and over 55% oil weighted. Based on current market conditions and drilling successes to date, Stonehorse is planning to participate in additional development wells before the end of 2026. Looking forward to 2027 and beyond, Stonehorse’s partner has over 75 potential new well locations in the Drumheller region and is preparing for additional drilling. 0 50 100 150 200 250 300 350 27-Jul-26 29-Jul-26 31-Jul-26 2-Aug-26 4-Aug-26 6-Aug-26 8-Aug-26 10-Aug-26 12-Aug-26 14-Aug-26 16-Aug-26 18-Aug-26 20-Aug-26 22-Aug-26 24-Aug-26 26-Aug-26 28-Aug-26 30-Aug-26 BOED Production Net SCC Production - Drumheller #5 and #6 Actual Type Curve Stonehorse Energy Limited ACN: 086 972 429 T: 08 6489 1600 F: 08 6489 1601 E: info@stonehorseenergy.com W: stonehorseenergy.com Directors Rob Gardener, Executive Chairman Michael McFadyen, Non-Executive Director Rick Lu, Non-Executive Director Nicholas Ong, Non-Executive Director and Company Secretary Issued Capital (ASX: SHE) 684.4m Ordinary Shares Investor Hub Visit the Investor Hub here: https://investorhub.stonehorseenerg y.com/welcome 66% Liquids 2 Stonehorse Executive Chairman, Mr Robert Gardner said, “We are excited to see more positive results from our new joint wells in the Drumheller area. These wells not only add production but increase the oil weighting and netbacks, improving the profitability of our Canadian business.” This announcement is approved for release by the Company Secretary. - ENDS – For further information: Rob Gardner Executive Chairman Stonehorse Energy Limited Tel: (+61 8) 6489 1600 E: info@stonehorseenergy.com About Stonehorse Energy Stonehorse Energy Limited (ASX:SHE) is an Australian based E&P company with a focus on onshore oil and gas in Canada and the United States. The overall objective of the Company is to implement its strategy of building a portfolio of high quality well bore assets with Working Interest (WI) percentages reflecting risk appetite and capital availability. Forward-Looking Statements and Other Disclaimers This announcement may include forward-looking statements. Forward-looking statements are only predictions and are subject to risks, uncertainties and assumptions, which are outside the control of Stonehorse Energy Limited (“Stonehorse Energy” or “the Company”). These risks, uncertainties and assumptions include commodity prices, currency fluctuations, economic and financial market conditions in various countries and regions, environmental risks and legislative, fiscal or regulatory developments, political risks, project delay or advancement, approvals and cost estimates. Actual values, results or events may be materially different to those expressed or implied in this announcement. Given these uncertainties, readers are cautioned not to place reliance on forward-looking statements. Any forward-looking statements in this announcement speak only at the date of issue of this announcement. Subject to any continuing obligations under applicable law and the ASX Listing Rules, Stonehorse Energy does not undertake any obligation to update or revise any information or any of the forward-looking statements in this announcement or any changes in events, conditions or circumstances on which any such forward looking statement is based. This announcement does not constitute investment advice. Neither this announcement nor the information contained in it constitutes an offer, invitation, solicitation or recommendation in relation to the purchase or sale of shares in any jurisdiction. Shareholders should not rely on this announcement. This announcement does not take into account any person's particular investment objectives, financial resources or other relevant circumstances and the opinions and recommendations in this announcement are not intended to represent recommendations of particular investments to particular persons. All securities transactions involve risks, which include (among others) the risk of adverse or unanticipated market, financial or political developments. The information set out in this announcement does not purport to be all-inclusive or to contain all the information, which its recipients may require in order to make an informed assessment of Stonehorse Energy. You should conduct your own investigations and perform your own analysis in order to satisfy yourself as to the accuracy and completeness of the information, statements and opinions contained in this announcement. To the fullest extent permitted by law, the Company does not make any representation or warranty, express or implied, as to the accuracy or completeness of any information, statements, opinions, estimates, forecasts or other representations contained in this announcement. No responsibility for any errors or omissions from this announcement arising out of negligence or otherwise is accepted.