Announcement PDF IGNITE Hong Kong April 2026 Disclaimer & Declaration This presentation has been prepared by Estrella Resources Limited (“ESR”) as a summary of the company’s exploration and development activities. No Offer of Securities The presentation is not, and should not, be considered as an offer or invitation to subscribe for, or purchase any securities in ESR, or as an inducement to make an offer or invitation with respect to those securities. No agreement to subscribe for securities in ESR will be entered into on the basis of this presentation. Forward Looking Statements This presentation contains certain forward looking statements which have not been based solely on historical facts but, rather, on ESR’s current expectations about future events and on a number of assumptions which are subject to significant uncertainties and contingencies many of which are outside the control of ESR and its directors, officers and advisers. Reliance on Third Party Information Due care and attention has been taken in the preparation of this presentation. However, the information contained in this presentation (other than as specifically stated) has not been independently verified nor has it been audited. Accordingly, the company does not warrant or represent that the information contained in this presentation is accurate or complete. To the fullest extent permitted by law, no liability, however arising, will be accepted by ESR or its directors, officers or advisers, for the fairness, accuracy or completeness of the information contained in this presentation. Compliance Statement With reference to previously reported Exploration results and mineral resources included in this presentation, the company confirms that it is not aware of any new information or data that materially affects the information included in the original market announcement and, in the case of estimates of Mineral Resources or Ore Reserves that all material assumptions and technical parameters underpinning the estimates in the relevant market announcement continue to apply and have not materially changed. The company confirms that the form and context in which the Competent Person’s findings are presented have not been materially modified from the original market announcement. Competent Person Statement The information in this announcement relating to Exploration Results is based on information compiled by Peter Spitalny who is the Exploration Manager of Estrella Resources, and a member of The Australasian Institute of Geoscientists. Mr Spitalny has sufficient experience relevant to the style of mineralisation and type of deposit under consideration, and to the activity they are undertaking to qualify as Competent Persons as defined in the 2012 Edition of the “Australasian Code for Reporting of Exploration Results, Mineral Resource and Ore Reserves”. Mr Spitalny consents to the inclusion in the report of the matters based on their information in the form and context in which it appears. The Board authorised for this presentation to be released to ASX. 2 Highlights: SCALE,SPEED, AND FIRST MOVER CONTROL • Exceptional thicknesses intersected • Laterally extensive, near-surface mineralisation across large areas • Coastal setting supports low-cost, scalable DSO development Manganese project advances • High-grade, direct-shipping manganese • First mining and exports for Timor-Leste • Clear pathway to scale Broad limestone intersections • Modern exploration only commenced in the last two years • Large landholding with minimal historical work • Clear pipeline of high-priority follow-up targets Virtually unexplored region • JV in place with state-owned mining company • Heavily supportive of new mineral industries Strong Government Support *The stated intersections are down-hole lengths but likely to be very close to true thickness Manganese extraction underway at Ira Miri pit.1, 2, 3 1. Refer to ASX announcement dated 4 September 2025 “Assays received and further Manganese intersected drilling” 2. Refer to ASX announcement dated 18 December 2025 “High Grade Ira Miri Mn Assays” 3. Refer to ASX announcement dated: 26 February 2026 “Ira Miri sample exceeds expectations ahead of completion” In 2024, Estrella was the FIRST to be awarded mineral concessions in Timor-Leste Estrella was the FIRST to JV with Murak Rai the National Mining Company of Timor-Leste In 2025, Estrella was the FIRST to drill to search for economic minerals Estrella was the FIRST to discover high-grade economic manganese in Timor-Leste In 2026, Estrella was the FIRST to mine high-grade manganese at Ira Miri Timor-Leste Estrella is FIRST in concession size in Timor-Leste with total landholding of 648 km2 and growing 4 Mining in Timor-Leste: Who came second? Xanana Gusmao, Prime Minister of Timor-Leste, presenting Estrella with its Exploration and Evaluation Concessions Exceptional infrastructure in Timor-Leste includes an industrial port facility in the capital city of Dili 5 Timor-Leste: An exceptional opportunity ▪ Large swathes of land which are virtually unexplored ▪ A series of high-quality targets developed across a large license holding ▪ Modern minerals code and regulatory body established ▪ Located ~90min flight from Darwin ▪ High-quality infrastructure in place 6 Ira Miri Manganese Development Sample extraction operations at the Ira Miri pit1,2, 3 7 ▪ Timor-Leste is located in a complex geological setting where three major tectonic plates converge and uplift fertile ground ▪ The region possesses multi-commodity potential but has never been extensively explored ▪ Estrella’s in-country team has been systematically mapping and sampling manganese and calcite discoveries – this is ongoing ▪ The Noni Formation has been identified as the host unit for extensive manganese mineralisation and is typically covered by clean limestone ▪ Weathering of the Formation has developed thick concentrations of manganese visible at surface Core from EMDD040, including 2.5m assayed at 50.8% Mn. Refer to ASX announcement dated: 18 December 2025 “High Grade Ira Miri Mn Assays” Ira Miri Manganese Project Located in a highly-prospective region ▪ March 2024 ▪ Maiden exploration in Timor-Leste revealed significant outcropping manganese ▪ Rock chip assays, geological and geophysical studies identify manganese hosting Noni Formation ▪ May 2025 ▪ Estrella commences Timor-Leste’s first modern metallic minerals drilling. Only six months taken from initial discovery of Ira Miri outcrop to drilling, with initial assays of: ▪ EMDD001 intersecting 6.45m @ 51.7% Mn4 ▪ EMDD002 intersecting 8.05m @ 53.0% Mn4 ▪ EMDD003 intersecting 1.5m @ 35.8% Mn4 ▪ December 2025 ▪ 45 diamond holes completed with significant high-grade assays along strike: ▪ EMDD026: 3.00m @ 35.7% Mn. Including 1.5m @ 55.1% Mn2 ▪ EMDD033: 11.97m @ 28.9% Mn. Including 2.1m @ 46.8% Mn2 ▪ EMDD040: 6.20m @ 45.3% Mn. Including 2.5m @ 50.8% Mn2 8 Systematic manganese drilling at Estrella’s Timor-Leste concessions Ira Miri Manganese Project Rapid high-grade manganese development Partially outcropping supergene manganese exposure at Ira Miri discovery. Refer to ASX Announcement dated 12 February 2025 4. Refer to ASX announcement dated 4 September 2025 “Assays received and further Manganese intersected drilling” N ▪ January 2026 ▪ Extraction of up to 30kT of manganese ore for market appraisal approved by the Timor- Leste government ▪ February 2026 ▪ ~22,600 tonnes of the permitted 30,000- tonnes extracted ▪ 95% Timorese workforce, with zero LTIs and strong ongoing community engagement ▪ Large, highly chargeable anomalies beneath the current pit design support further development ▪ April-June 2026 ▪ Export the FIRST high-grade manganese from Ira Miri to the world market ▪ Geophysical surveys and continued exploration efforts to discover more manganese 9 Refer to ASX announcement dated: 26 February 2026 “Ira Miri sample exceeds expectations ahead of completion” Ira Miri Manganese Project Ira Miri Manganese Project Product Validation and First Exports • High-grade, direct-shipping manganese successfully mined and stockpiled • Representative bulk material being prepared for customer specification testing • Active engagement with potential offtake partners underway • Successful validation supports application for full Category A Mining Licence Stockpiled ore encountered from various depths. Pit was strategically designed to target zones containing very high grade intercepts, including 8.05m @53% MN from EMDD002 and 11.97m @28.9% Mn from EMDD033. 3 11 Werumata Limestone Project 12 Werumata Limestone Project Platform - Scale Industrial opportunity ▪ Laterally extensive limestone and chalk units defined across large areas ▪ Exceptional thicknesses intersected, supporting bulk-scale development ▪ Clean, low-impurity material suitable for industrial and environmental markets ▪ Coastal location provides clear pathway to low-cost DSO operations Location of drilling at the Werumata Limestone Project N 13 ▪ Estrella has completed 33 RC drill holes (for 2,804m) and 9 diamond holes (for 913.10m) which have encountered highly encouraging broad intersections ▪ Baucau Limestone intersections up to 87m*, averaging 30m and an average grade of 33.15% Ca (i.e. 83% CaCO3) ▪ Batu Putih chalk unit identified beneath limestone adding an additional tonnage ▪ Batu Putih chalk returned intersections up to 59m*, averaging 30m and an average of grade 31% Ca (i.e. 77.5% CaCO3) ▪ Unlike many calcium carbonate deposits, Estrella’ mineralisation is low in impurities, such as magnesium, alumina and iron oxide making it ideal for industrial scale acid neutralisation Werumata Limestone Project Maiden drilling defines broad-scale discovery *The stated intersections are down-hole lengths but likely to be very close to true thickness Collaring of the first diamond drillhole WLD001 at the Werumata Limestone Project with Estrella’s exploration team and Coresearch drill team. 5. Refer to ASX Announcement dated 16 March 2026 “Final Werumata Limestone Assays” 5 5 5 14 ▪ Following maiden drilling Estrella is well positioned towards its target of a 500Mt Inferred JORC Resource ▪ Estrella is collaborating with the Universidade Nacional Timor Lorosa'e to complete necessary bulk density assessments prior to resource estimation ▪ Studies are progressing well and a JORC Resource estimate is anticipated for April (imminent) ▪ Meanwhile operational studies continue with LiDAR and bathymetric surveys completed at a potential port location Bathymetric and tidal surveys underway with support from the local fishing community Werumata Limestone Project JORC Resource imminent Exploration activities underway at Werumata 15 Capital Structure ASX Ticker ESR Share Price A$0.03 (as at 11th April 2026) Market Cap ~A$66.3M Cash ~ A$3.7M (as at 11th April 2026) Enterprise Value ~$62.6M Highlights: ESTRELLA IS WINNING IT IS FIRST Highly-prospective discoveries in an unexplored region • High-grade, clean limestone established over with mineralised zones up to 87m* • Maiden Inferred JORC Resource anticipated by April Manganese project advances • 30,000kT manganese market sample being extracted for potential offtake partners • High-grade assays and open pit support potential for further expansion Broad limestone intersections • Timor-Leste issued first modern mining leases in 2024 • A host of targets located in Estrella’s vast license holding (648 km2) Virtually unexplored region • JV in place with state-owned mining company • Heavily supportive of new exploration industries Strong Government Support *The stated intersections are down-hole lengths but likely to be very close to true thickness Manganese extraction underway at Ira Miri pit 1, 2, 3 17 Contact: Chris Daws Managing Director M: +61 8 9481 0389 E: info@estrellaresources.com.au