Tmk Energy Limited · ASX:TMK
Tmk Energy — Investor Presentation (November 2025)
18 slides from Tmk Energy's investor presentation, Nov 13, 2025
Slide 1: Natural Gas – A New Energy Supply for Mongolia
TMK ENERGY LIMITED (ASX:TMK) For personal use only NATURAL GAS – A NEW ENERGY SUPPLY FOR MONGOLIA November 2025 Dougal Ferguson Chief Executive WWW.TMKENERGY.COM.AU
Slide 2: Disclaimer
DISCLAIMER This document is for information purposes only. It is not a prospectus, disclosure document or offering document under Australian law or under any other law and does not constitute an offer or invitation to apply for securities. This document is not an offer of securities for subscription
Slide 3: Gurvantes XXXV Natural Gas Project
GURVANTES XXXV NATURAL GAS PROJECT PROJECT OVERVIEW Location map of TMK’s Gurvantes XXXV CSG Project Location South Gobi Basin, Mongolia Production Sharing Contract (PSC) / Description For personal use only Exploration License Size ~8,400km2 TMK Interest 100% Status Exploration and Appraisal • High
Slide 4: Measuring Up: Scale That Speaks Volumes
MEASURING UP: SCALE THAT SPEAKS VOLUMES The Gurvantes XXXV Project has a total area of approx. 8,400km 2 The Maiden Contingent Resource (2C) was delivered from just For personal use only 75km 2 and has a (2C) Maiden AVERAGE LUCKY FOX PILOT WELL DEPTH Contingent Resource of ~454 m 1.2 TCF BROOKFIELD
Slide 5: Corporate Snapshot
CORPORATE SNAPSHOT TMK Energy Limited (as of 12 November 2025) Share Price $0.12 Goal: To build a gas industry in Mongolia on the back of the largest discovered contingent gas resource Market Capitalisation ~$26M Shares on Issue ~218 million For personal use only 0.25 4,500,000 Listed Options (ASX:T
Slide 6: Consolidation Update
CONSOLIDATION UPDATE ▪ Consolidation of all TMK securities completed on 11 November 2025 ▪ All securities consolidated on the basis that there is now 1 TMK security for every For personal use only 55 TMK securities held prior to the consolidation (being Shares, Options or other securities) ▪ All fra
Slide 7: Our Company: Board & Management
OUR COMPANY BOARD & MANAGEMENT Proven leaders with extensive industry expertise For personal use only and a history of delivering John Warburton Brett Lawrence Non-Executive Chair Non-Executive Director results Glenn Corrie Dougal Ferguson Non-Executive Director Chief Executive Officer Gema Gerelsai
Slide 8: TMK - Leveraged to the Upside
TMK - LEVERAGED TO THE UPSIDE ▪ TMK has advanced from an early-stage gas exploration company in 2022 to being on the brink of proving up a significant 1.2 TCF (2C) coal seam gas (CSG) resource in Mongolia adjacent to China and its growing demand for energy For personal use only ▪ ~US$15M invested to
Slide 9: Rapidly Moving Forward
RAPIDLY MOVING FORWARD PROJECT HAS BEEN SUBSTANTIALLY DE-RISKED FOLLOWING A NOV 2024 JUL 2025 STAGED APPROACH TO EXPLORATION & APPRAISAL Pilot Well Phase 2 Seventh pilot production well drilling commenced completed AUG 2025 APR 2023 Alliance with J Energy For personal use only SEP 2022 DEC 2023 DEC
Slide 10: Pilot Project Operations
PILOT PROJECT OPERATIONS ▪ Seven Pilot Wells drilled and completed with; ▪ elevated focus on reservoir management techniques from 2H 2025 resulting in record gas flows and no For personal use only well workovers (which cost time and money) ▪ reservoir modelling project nearing completion demonstrati
Slide 11: Pilot Well Project – The Details
PILOT WELL PROJECT – THE DETAILS PRODUCTION WELL LF-01 LF-02 LF-03 LF-04 LF-05 LF-06 LF-07 TOTAL DEPTH 375m 407m 515m 503m 480m 475m 420m NET COAL THICKNESS 61m 62m 68m ~60m ~60m ~60m ~56m DATE DRILLED April 2023 May 2023 May 2023 Nov 2024 Oct 2024 Oct 2024 August 2025 For personal use only PRODUCTI
Slide 12: Key Deliverables Being Met
KEY DELIVERABLES BEING MET Added 4 Pilot Production Wells – a 133% increase from 3 wells to a total of 7 pilot wells For personal use only Increase gas flows – pressure data collected in 1H 2025 indicate reservoir pressure continuing to decline. Elevated focus on reservoir management techniques
Slide 13: CSG Production Methodology
CSG PRODUCTION METHODOLOGY Establish high water production rates High water rates are a proxy for good permeability and a For personal use only key metric required to reduce reservoir pressure Extract as much water as possible over as shorter time frame as possible Limit any potential reserv
Slide 14: Snow Leopard-02 Adsorption Isotherm
SNOW LEOPARD-02 ADSORPTION ISOTHERM 18 ▪ Adsorption isotherm 16 For personal use only (Langmuir Curve) has 14 CURRENT RESERVOIR identified the desorption PRESSURE 12 pressure for the Pilot Project Gas Content (m3/t) 9.8 m3/t INITIAL area (~1380kPa or 200psi) 10 RESERVOIR PRESSURE 8 ▪ Production moni
Slide 15: Reservoir Pressure Reduction
RESERVOIR PRESSURE REDUCTION ▪ Reservoir pressure 2600 continues to decline as For personal use only additional water is 2100 produced ▪ Regular pressure 1600 BHP (kPa) monitoring shows the Estimated desorption pressure reservoir pressure is 1100 approaching the estimated desorption pressure 600 (de
Slide 16: Domestic Supply Opportunity
DOMESTIC SUPPLY SOUTH GOBI PROVINCE OPPORTUNITY ENERGY INFRASTRUCTURE SOUTH GOBI ▪ The capital of Mongolia, Ulaanbaatar, is heavily MONGOLIA polluted and has recently initiated policy directives For personal use only aimed at reducing pollution in Ger Districts through use of natural gas ▪ Significa
Slide 17: China Supply Opportunity
CHINA SUPPLY OPPORTUNITY CHINESE ENERGY MARKET DEVELOPING RELATIONSHIPS ▪ Chinese gas demand continues to ▪ Strategic Alliance with J-Energy to grow rapidly provide technical and commercial services and introduce project to ▪ Forecast Chinese consumption in For personal use only potential Chinese pa
Slide 18: Contact Us
TMK ENERGY LIMITED (ASX:TMK) For personal use only CONTACT US +61 8 6319 1900 (Australia) +976 7777 3373(Mongolia) www.tmkenergy.com.au info@tmkenergy.com.au WWW.TMKENERGY.COM.AU © TMK ENERGY LIMITED 2025 (ASX:TMK) PAGE 18