Announcement PDF ASX:AGE Samphire Uranium Project InvestorPresentation May2026 2 Investor Presentation | ASX:AGE | alligatorenergy.com.au Disclaimer Forward Looking Statements This presentation contains projections and forward-looking information that involve various risks and uncertainties regarding future events. Such forward-looking information can include without limitation statements based on current expectations involving a number of risks and uncertainties and are not guarantees of future performance of the Company. These risks and uncertainties could cause actual results and the Company’s plans and objectives to differ materially from those expressed in the forward-looking information. Actual results and future events could differ materially from anticipated in such information. These and all subsequent written and oral forward-looking information are based on estimates and opinions of management on the dates they are made and expressly qualified in their entirety by this notice. The Company assumes no obligation to update forward-looking information should circumstances or management’s estimates or opinions change. Competent Person’s Statement – Uranium and Previously Reported Information Information in this report is based on current and historic Exploration and Resource Drilling Results compiled by Dr Andrea Marsland-Smith, who is a Member of the AusIMM. Dr Marsland-Smith is employed by Alligator Energy as Chief Executive Officer (CEO) and has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity she is undertaking (including 21 years working with ISR uranium development and operations) to qualify as a Competent Person as defined in the 2012 Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves. Dr Marsland-Smith consents to the inclusion in this release of the matters based on her information in the form and context in which it appears. Information in this report that relates to the Exploration Target estimate was compiled by Dr Andrea Marsland-Smith, who is a Member of the AusIMM. Dr Marsland-Smith is employed by Alligator Energy as Chief Executive Officer (CEO) and has sufficient experience which is relevant to the style of mineralisation and type of deposit under consideration and to the activity she is undertaking (including 21 years working with ISR uranium development and operations) to qualify as a Competent Person as defined in the 2012 Edition of the ‘Australasian Code for Reporting of Exploration Results, Mineral Resources and Ore Reserves. Dr Marsland-Smith consents to the inclusion in this release of the matters based on her information in the form and context in which it appears. In relation to Exploration Results, Mineral Resource Estimates and Exploration Target in the ASX announcements referenced in the slides, 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 that all material assumptions and technical parameters underpinning the estimates in the relevant market announcement continue to apply and have not materially changed. In relation to production targets, the Company confirms that all material assumptions underpinning the production target, and the forecast financial information derived from the production target, in the initial announcement continue to apply and have not materially changed. 3 Investor Presentation | ASX:AGE | alligatorenergy.com.au Corporate Overview Capital Structure 3 4,437.0 M Ordinary Shares A$190.8 M Market Cap (@ 1/5/26) 364.3 M $13.3 M A$0.043 Share Price (@ 1/5/26) Listed and Unlisted Options Cash (@ 31/3/26) Retail 78.9% Directors & Executives 2.7% Institutions 18.4% Shareholders 4 Investor Presentation | ASX:AGE | alligatorenergy.com.au Samphire Uranium Project: South Australia Excellent location with positive stakeholder relations • Located in South Australia, a premier uranium jurisdiction globally • Proven approvals process with 5 mines approved in the state • Samphire is just 20 kms from Whyalla, an iron and steel making centre • Location brings strong benefits of excellent regional infrastructure, along with local engineering and service providers • Alligator Energy enjoys very positive relations with the Whyalla community, which has a highly skilled labour force 4 5 Investor Presentation | ASX:AGE | alligatorenergy.com.au 5 Delivering Australia’s Next Uranium Mine and Beyond Pathway to production and growing the business • Updated scoping study highlights strong project economics • All approvals received to conduct a Field Recovery Trial (FRT) • Pilot plant constructed on time and under budget • Technical and economic derisking of Samphire project • FRT operations underway, first well pattern successfully completed • Provide key inputs for the BFS & Mining Lease application • Targeting first production in 2030/2031 • Enables time to grow the MRE as well as mining inventory from: – Blackbush extensions – Plumbush MRE – Testing continuity of the regional paleochannel system Recent Milestones FRT - Derisking Production Stage 1 Stage 2 Stage 3 6 Investor Presentation | ASX:AGE | alligatorenergy.com.au 6 Study metrics* at US$75 / lb long term uranium price Stage 1 – Current Status Strong economics as outlined in the updated scoping study(1) underpin current valuations A$131m CAPEX (including contingency) AISC (A$47.58/lb) US$33.31/lb IRR* (post-tax, real, ungeared) 42% Payback 2.45 years Cash Costs (A$22.94 /lb) US$16.06/lb A$257m NPV8* (post-tax, real, ungeared) † Refer ASX release 14 December 2023 “Scoping Study Update”: Alligator confirms that all material assumptions underpinning the ‘production target’ or the forecast financial information derived from the ‘production target’ continue to apply and have not materially changed *Calculated using 0.70 US/A$ exchange rate Investor Presentation | ASX:AGE | alligatorenergy.com.au 7 7 Stage 2 – Field Recovery Trial Excellent initial results from the FRT 1st well test pattern completed - 70% U recovery over 70 pore volumes - validating low-cost ISR development case • Key step toward commercial ISR production in South Australia • Solid permeability performance - well flow exceeding 5 L/s • Reagent consumption aligns with the most favourable category of the international standard at approximately 20 kg per tonne • Robust solution grades, with an average of 115 ppm U₃O₈ • Salinity and groundwater chemistry conditions did not adversely impact recovery performance • “Standard” industry reagent mix working well, additional upside available as part of optimisation FRT well pattern FRT Pilot Plant Investor Presentation | ASX:AGE | alligatorenergy.com.au 8 8 • A measured ramp up profile • Thorough work on permeability through drilling • Focus of converting resource into Measured and Indicated categories – drill spacing critical • Currently drilling to inform robust wellfield plan to inform the BFS assumptions • Securing first 2-3 years of production critical • Pipeline for resource growth identified and ensuring Mining Lease approvals can flex to include resource extension upside Stage 2 – Derisking Proactively derisking Samphire through insights gained from recent ISR developers Integrating 20 years of ISR technical knowledge Investor Presentation | ASX:AGE | alligatorenergy.com.au 9 Stage 3 – Resource Growth to Increase Mining Inventory Significant upside to increase mining inventory from multiple areas Plumbush Blackbush • 18 Mlbs(1) to support startup mining operation at Blackbush with staged expansion. • Exploration Target of 14 - 75 Mlbs demonstrates significant potential to increase the existing Resource of 18 Mlbs, by targeting: • Blackbush strike extensions from the existing MRE • Plumbush - closer spaced drilling required to convert to potential MRE • Paleochannel system shows outstanding continuity with 72% of the prospective areas untested by modern drilling, and historical assays encountered in Kanaka sands that host Blackbush resource. • Gravity surveys have proven highly effective with findings corroborating closely with drilling data. (1) AGE ASX Release 6 May 2025 - Increased Mineral Resource Estimate and Upgrade of Indicated Resource for the Blackbush Deposit, Samphire U Project. https://wcsecure.weblink.com.au/pdf/AGE/02943740.pdf (2) AGE ASX Release 7 December 2023 - Significant Exploration Target Range established, Samphire Uranium Project, South Australia 02751150.pdf (weblink.com.au) 9 Investor Presentation | ASX:AGE | alligatorenergy.com.au 10 10 Upcoming Plans and Targets Numerous upcoming news flow and milestones in 2026 and 2027 FRT Operations Q2 Q1 Q3 Q4 Q1 Q2 CY 2026 CY 2027 Updated MRE Samphire BFS Mining Lease Approvals: 11 Big Lake Project Investor Presentation | ASX:AGE | alligatorenergy.com.au 12 12 • Australian Mining Prospect Discovery of the Year • Geologically analogous to world-class ISR fields in hydrocarbon basins - Kazakhstan, Wyoming, Texas • Same host sands as Beverley-Four Mile & Honeymoon. • Province never-before been drilled exploring for uranium • Inaugural drilling program intersected significant thicknesses of anomalous uranium mineralisation(1). - AC24-021 20m (65ft) @ 110 ppm U from 347ft (106m) - AC24-022 35m (114ft) @ 117 ppm U from 305ft (93m) - AC24-023 5m (16ft) @ 47 ppm U from 341ft (104m) - AC24-025 10m (32ft) @ 138 ppm U from 354ft (108m) • 2025 - Second drilling program commenced but delayed due to QLD floodwaters. • Alligator’s large exploration licence holding secures first mover advantage. Refer ASX Announcements: 23 October 2024 – BLU Uranium Discovery, and 27 Feb 2025 – Follow Up drilling at BLU Big Lake Project Potential to unlock a new uranium province (1) AGE ASX Release 13 August 2024 13 Investor Presentation | ASX:AGE | alligatorenergy.com.au 13 The Alligator Energy Value Proposition Strong value proposition with multiple near-term share price rerating catalysts • Tier 1 jurisdiction • Experienced team to deliver projects on time and on budget • Upside potential from multiple exploration opportunities Investment Proposition • Updated Mineral Resource Estimates • Results from FRT operations within the next 2 months • Release of a BFS • Results from both extensional and infill exploration drilling Key Milestone Catalysts Andrea Marsland-Smith CEO +61 (0) 7 3839 3904 E: ams@alligatorenergy.com.au www.alligatorenergy.com.au