Announcement PDF ASX ANNOUNCEMENT 27 October 2026 JUNE QUARTERLY ACTIVITIES REPORT Delta Lithium Limited (ASX: DLI) (“Delta” or “the Company”) is pleased to provide a summary of activities undertaken during the quarter ended 30 September 2026. September Quarter Highlights Mt Ida • Metallurgical testwork on a one tonne composite of Mt Ida core is underway to confirm the proposed tantalum flowsheet and to produce additional mica, spodumene and tantalum concentrate for refining testwork. • Drilling continues to provide mineralised lithium, tantalum and rubidium intercepts contributing to increased resource confidence and project development. • Best drill intercepts include: o 8.0m @ 1.2% Li2O, 58ppm Ta2O5 and 0.31% Rb2O from 423m in BDG001 o 10m @ 1.4% Li2O, 117ppm Ta2O5 and 0.45% Rb2O from 219m in DFS674A • Progressed further testwork using available diamond core to optimise and de-risk the Mt Ida Lithium processing flowsheet • Commenced the Scoping Study for the Mt Ida Project Yinnetharra • Drill program to commence on six (6) new reconnaissance targets generated from regional surface sampling and detailed mapping • Two strong gold in soil anomalies with corresponding high grade rock chip and drill hole samples provide complementary gold targets within Yinnetharra tenure. o High-grade gold rock chip 6.83 g/t in sample M444 o 2m @ 5.69 g/t gold from 96m in MSRC004 (previously announced) • Drill testing planned during Q4 2026 pending approvals. Corporate • As of 30 September 2026, Delta’s cash balance was $48.8M. Commenting on the quarter, Managing Director of Delta Lithium, Mr James Croser said: “At Yinnetharra, recent activities this quarter have provided the setup for the upcoming drill campaign planned to commence in the 4Q, This RC program will target new lithium targets with high pathfinder anomalism along with a couple of interesting gold occurrences that should also be tested. Concurrently, Mt Ida has commenced an important metallurgical program that aims to progressively test the stages of the process flowsheet with a one tonne composite from start to finish, with a focus on the 3-product Lithium-Rubidium-Tantalum strategy. We eagerly await the completion of this testwork over coming months with the dual goals in mind; namely to optimise the Mt Ida Lithium flowsheet design and to also produce significant quantities of concentrates for continuing downstream investigations. ASX ANNOUNCEMENT 27 October 2026 Delta maintains commitments to two exciting WA lithium projects and is well funded to execute its strategy, with cash and investments currently valued around AUD$145M.” Figure 1: Location of Delta’s Projects Delta Lithium Limited (ASX: DLI) (“Delta” or “the Company”) is pleased to provide a company update across its 100% owned Yinnetharra and Mt Ida Lithium Projects, where exploration and development activities continue in line with the broader company strategy. Yinnetharra The Yinnetharra Lithium project is located in the Gascoyne region of Western Australia. Delta Lithium has 2,325km2 of 100% owned project tenure. A mineral resource estimate (MRE) update for Yinnetharra was released in March 2025 of 21.9 Mt @ 1% Li2O and 75ppm Ta2O5 and an additional 17.5Mt @ 136ppm Ta2O5. During the quarter regional exploration continued across the Project with the team conducting systematic surface exploration and mapping across prospective areas with a current focus on 6 prospects, prior to planned drill testing later in CY2026. Lithium remains the primary focus, however, two of the prospects are following up on significant gold in soil anomalies identified as part of the broader geochemical exploration conducted to date. Initial anomalism identified from regional gridded sampling has been followed up with close spaced targeted soil geochemistry to refine and identify localised drill targets. ASX ANNOUNCEMENT 27 October 2026 The Company has now designed reconnaissance drilling programs to test these targets during Q4 this year and pending receipt of approvals. Figure 2: Yinnetharra Project and Tenure with current active prospects Tomahawk LCT – E09/2388 Detailed mapping in conjunction with historic rock chip sampling has identified two sub parallel outcropping pegmatite dykes in an area with little exposure and significant cover with recent sediment. The dykes fall within proximity to the Leake Spring metamorphic unit and to the south-west in similar geological terrain to the Malinda deposit. Rock chip samples from the dykes have returned elevated lithium grades with corresponding low K/Rb ratio’s indicating the evolved nature of the pegmatite. Four drill holes have been planned to test fertility of the outcropping pegmatite at depth and strike extent beneath cover. ASX ANNOUNCEMENT 27 October 2026 Figure 3: Tomahawk Lithium target ASX ANNOUNCEMENT 27 October 2026 Bains LCT – E09/3024 This tenement was granted earlier in 2026 and is one of the southern most tenements in the group. Lithology consists of varying types of granite and gneiss broadly aligned with a major structural shear zone trending northwest – southeast through the tenement. Multiple coarse grained pegmatite dykes exist in swarms across the tenure with some in an oblique orientation to the shear and others more perpendicular. Mapping conducted around an historic rock chip containing 453 ppm Li identified an outcropping crosscutting pegmatite in excess of 200m in length, proximal to a trend of mafic (amphibolite) dykes broadly aligned with the regional shear zone. The pegmatite has been described as an albite, quartz, K-feldspar type with limited muscovite content suggesting the rock chipped lithium grade is most likely attributable to a mineral other than mica. Four drillholes have been designed to intersect the pegmatite at regular intervals along its outcropping length. Figure 4: Bains Lithium target ASX ANNOUNCEMENT 27 October 2026 Laphroaig LCT - E09/2302 Located 50km southwest of Malinda and along strike to the west of Bains with similar lithology, abundant swarms of pegmatite dykes have intruded the granitoid country rock in two major orientations. A large part of the tenement was mapped and sampled by the previous tenement holder with targeted rock chips and gridded soil sampling programs returning a number of lithium anomalies. Samples from a section of one of the centrally located pegmatites returned elevated lithium results with corresponding low K/Rb ratio’s indicating a more highly evolved zone within the pegmatite. Four drill holes have been planned to test the fertility of these pegmatites beneath the weathered outcrop. Figure 5: Laphroaig Lithium target Jameson LCT – E90/2621 The Jameson prospect was drilled during 2024 resulting in a defined resource of 0.8Mt @ 1.66% Li2O (ASX announcement 31/03/2025) Some of the outcropping pegmatite was not adequately tested in the previous drilling program along with a mineralised intersection at depth not forming part of the resource and requiring follow up. Two drillholes have been designed test and further define these targets. ASX ANNOUNCEMENT 27 October 2026 Mason’s Gold and LCT Following a recent high grade intercept of 2m @ 5.69 g/t Au in drillhole MSRC004, (announced 16/06/2026) a preliminary soil geochemical program was conducted to identify any broad soil anomalies in the area. This program returned a promising broad gold in soil anomaly coincident with the location of the intercept and was immediately followed up with close spaced surface sampling to further refine the anomaly. Two discrete sub parallel gold trends have been identified with one directly related to the previous drill hole intercept at depth. A program of 22 drill holes has been planned to target gold mineralisation beneath the soil anomaly and along strike of the previous drill hole. The drilling is also intended to test a series of sub-parallel pegmatite occurrences in the same area with elevated lithium in soil results. Figure 6: Masons Gold anomaly ASX ANNOUNCEMENT 27 October 2026 Cathedral Gold The Cathedral prospect is due east and adjacent to the Malinda lithium deposit. A previous wide spaced geochemical program has returned a strong gold in soil anomaly and has since been followed up with close spaced sampling (results pending) to refine the target. Rock chip sampling in the same area returned a peak result of 6.83 g/t Au – M444 from a gossanous schistose sample with several surrounding rock chips returning anomalous ppb gold grade coincident with the broad gold in soil anomaly (full results in Appendix 2A). Three drill holes have been planned across the peak of the broad anomaly which may be subject to adjustment following receipt of results from the recent soil program and remaining rock chips. Figure 7: Cathedral Gold anomaly ASX ANNOUNCEMENT 27 October 2026 Mt Ida Project Mt Ida is located approximately 240km north of Kalgoorlie in Western Australia. The Project area resides on granted mining leases and is fully permitted for commencement of open pit and underground mining at the main Sister Sam and Timoni lithium resources. Mt Ida Lithium updated Mineral Resource Estimate (MRE) currently: 14.8 Mt @ 1.21% Li2O, 170 ppm Ta2O5 and 0.42% Rb2O Ballard Mining’s gold infill drill program has continued to return high-grade mineralised lithium intervals. These intercepts demonstrate the excellent quality and continuity of the Mt Ida Lithium resource, while also increasing confidence in the block model. Figure 8: Mt Ida Project and Tenure with lithium, tantalum and rubidium resources These additional infill holes have been used to refine the existing MRE model interpretation and will be incorporated into the next resource update. Importantly, this drilling also provides additional diamond core which ASX ANNOUNCEMENT 27 October 2026 Delta can utilise for future metallurgical testing. Some of the recent intervals have intercepted deep pegmatite extensions which have returned, • 8.0m @ 1.2% Li2O, 58ppm Ta2O5 and 0.31% Rb2O from 615m, and • 9.95m @ 1.4% Li2O, 117ppm Ta2O5 and 0.45% Rb2O from 648.05m in TNEX011. These mineralised intervals intersect the inferred depth extension of the hanging wall and footwall lodes of the current model. This additional data confirms the mineralisation and will contribute to converting the inferred category to indicated providing increased confidence in the resource model (refer Appendix 1A and 1B for recently received drill hole results). Regarding the current metallurgy testwork program underway at the Nagrom laboratory (Perth), results will be announced at the completion thereof. CORPORATE Delta’s ASX-listed investments at the end of the quarter consisted of 156M shares in BM1 (subject to escrow), 5M shares in MEX (formerly UVA) and 16.1M shares in JAV (post consolidation). During the quarter Delta terminated the agreement with Voltaic Strategic Resources over the Ti-Tree Earn-in Joint Venture by mutual consent. Cash at the end of the quarter was $48.8M. ASX COMPLIANCE ASX Listing Rule 5.3.1: Exploration and Evaluation Expenditure during the September 2026 Quarter was $1.5M. Full details of exploration activity during the September 2026 Quarter are set out in this report. ASX Listing Rule 5.3.2: There was no substantive mining production and development activities during the June 2026 Quarter. ASX Listing Rule 5.3.5: Payments to related parties of the Company and their associates during the September Quarter: $485k - The Company advises that this relates to non-executive director’s fees and executive directors’ salaries and entitlements. This amount also includes payments to Ballard Mining Limited for costs at the Mt Ida Project. Please see Remuneration Report in the Annual Report for further details on Directors’ remuneration. Release authorised by the Board of Delta Lithium Limited. For further information, please contact: Delta Lithium James Croser, Managing Director Peter Gilford, CFO & Company Secretary +61 8 6109 0104 info@deltalithium.com.au ASX ANNOUNCEMENT 27 October 2026 About Delta Lithium Delta Lithium (ASX: DLI) is an exploration and development company focused on bringing high-quality, lithium-bearing pegmatite deposits, located in Western Australia, into production. With current global JORC compliant resources of 36.9Mt@1.0% Li2O, strong balance sheet and an experienced team driving the exploration and development workstreams, Delta Lithium is rapidly advancing its Projects. The Mt Ida Project has coincident gold and lithium orebodies and holds a critical advantage over other developers with existing Mining Leases and an approved Mining Proposal. Delta Lithium is pursuing a development pathway to unlock maximum value for shareholders. Delta has recently spun out its gold assets into Ballard mining on 14th July 2025 and retains a 34.4% equity stake in this company. Delta Lithium also holds the highly prospective Yinnetharra Lithium Project, with exciting lithium discoveries at the Malinda and Jamesons prospects. The Company is currently conducting exploration activities at Yinnetharra with fieldwork commenced for 2026 across our large tenure package, testing additional targets and aiming to build on the Maiden Resource at Malinda. Competent Person's Statement Information in this Announcement that relates to exploration results is based upon work undertaken by Mr. Olaf Frderickson, a Competent Person who is a Member of the Australasian Institute of Geoscientists (AIG). Mr. Frederickson has sufficient experience that is relevant to the style of mineralisation and type of deposit under consideration and to the activity which he is undertaking 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’ (JORC Code). Mr. Frederickson is an employee of Delta Lithium Limited and consents to the inclusion in this announcement of the matters based on his information in the form and context in which it appears Refer to www.deltalithium.com.au for past ASX announcements. Past Exploration results and Mineral Resource Estimates reported in this announcement have been previously prepared and disclosed by Delta Lithium in accordance with JORC 2012. The Company confirms that it is not aware of any new information or data that materially affects the information included in these market announcements. The Company confirms that the form and content in which the Competent Person's findings are presented here have not been materially modified from the original market announcement, and all material assumptions and technical parameters underpinning Mineral Resource Estimates in the relevant market announcement continue to apply and have not materially changed. Refer to www.deltalithium.com.au for details on past exploration results and Mineral Resource Estimates. Refer ASX Announcements; • 31 March 2025 entitled ‘Yinnetharra Lithium and Tantalum MRE Update’ • 13 November 2025 entitled ‘Mt Ida Lithium and Rubidium MRE’ Disclaimer This release may include forward-looking and aspirational statements. These statements are based on Delta Lithium management’s expectations and beliefs concerning future events as of the time of the release of this announcement. Forward-looking and aspirational statements are necessarily subject to risks, uncertainties and other factors, some of which are outside the control of Delta Lithium, which could cause actual results to differ materially from such statements. Delta Lithium makes no undertaking to subsequently update or revise the forward looking or aspirational statements made in this release to reflect events or circumstances after the date of this release, except as required by applicable laws and the ASX Listing Refer to www.deltalithium.com.au for past ASX announcements. ASX ANNOUNCEMENT 27 October 2026 JORC Tables Table 2: Global Lithium Mineral Resource Estimate Summary Delta Lithium Group Mineral Resource estimate (Li₂O only) Resource category Cut-off grade (Li₂O%) Li₂O Ta₂O₅ Rb2O Tonnes (Mt) Grade (% Li₂O) Li₂O (Kt) Grade (Ta₂O₅ ppm) Grade (Rb2O %) Yinnetharra Measured 0.5 - - - - Indicated 16.1 1.0 158 77 Inferred 5.8 0.9 54 69 Total Resource 21.9 1.0 212 75 Mt Ida Measured 0.3 - 0.5 0.5 1.1 5.9 256 0.39 Indicated 7.2 1.3 96 215 0.45 Inferred 7.1 1.1 83 126 0.38 Total Resource 14.8 1.2 190 173 0.42 Total Measured 0.5 1.1 5.5 256 0.39 Total Indicated 23.3 1.1 254 120 Total Inferred 12.9 1.0 137 100 Total 36.7 1.1 402 115 ASX ANNOUNCEMENT 27 October 2026 Table 3: Mt Ida Lithium Mineral Resource Estimate Summary Mt Ida Lithium, Tantalum & Rubidium Resource November 2025 Li2O Ta2O5 Rb2O Area Resource category Cut-off grade (Li2O%) Tonnes (t) Grade (Li2O%) Tonnes (Li2O) Grade (Ta2O5 ppm) Grade (Rb2O%) Sparrow OP Measured 0.3 - - - - - Indicated 170,000 0.95 1,600 287 0.42 Inferred - - - - - Total Resource 170,000 0.95 1,600 287 0.42 UG Measured 0.5 - - - - - Indicated 1,100,000 1.05 11,000 176 0.43 Inferred 1,100,000 0.93 10,000 141 0.40 Total Resource 2,200,000 0.99 21,000 159 0.42 All Measured - - - - - Indicated 1,300,000 1.03 13,000 191 0.43 Inferred 1,100,000 0.93 10,000 141 0.40 Total Resource 2,400,000 0.99 31,000 168 0.42 Sister Sam OP Measured 0.3 270,000 1.30 3,500 268 0.44 Indicated 3,200,000 1.45 46,000 257 0.48 Inferred 82,000 1.07 880 176 0.39 Total Resource 3,500,000 1.43 51,000 256 0.47 UG Measured 0.5 - - - - - Indicated 2,000,000 1.38 27,000 166 0.45 Inferred 4,900,000 1.12 55,000 119 0.38 Total Resource 6,900,000 1.19 82,000 133 0.40 All Measured 270,000 1.30 3,500 268 0.44 Indicated 5,200,000 1.42 73,000 222 0.47 Inferred 5,000,000 1.12 55,000 120 0.38 Total Resource 10,400,000 1.27 130,000 175 0.42 Timoni OP Measured 0.3 220,000 1.09 2,400 240 0.33 Indicated 290,000 1.18 3,400 216 0.41 Inferred 27,000 0.75 210 185 0.25 Total Resource 540,000 1.12 6,000 224 0.37 UG Measured 0.5 - - - - - Indicated 470,000 1.35 6,400 191 0.33 Inferred 1,000,000 0.99 10,000 137 0.38 Total Resource 1,500,000 1.11 16,000 154 0.37 All Measured 220,000 1.09 2,400 240 0.33 Indicated 760,000 1.29 9,900 200 0.36 Inferred 1,000,000 0.98 10,000 138 0.38 Total Resource 2,000,000 1.11 22,000 173 0.37 Total Measured 490,000 1.20 5,900 256 0.39 Total Indicated 7,200,000 1.34 96,000 215 0.45 Total Inferred 7,100,000 1.07 76,000 126 0.38 Total 14,800,000 1.21 177,000 170 0.42 Tonnages and grades have been rounded to reflect the relative uncertainty of the estimate. Inconsistencies in the totals are due to rounding) ASX ANNOUNCEMENT 27 October 2026 Table 4: Lithium & Tantalum Mineral Resource Estimate for Yinnetharra Project Yinnetharra Lithium & Tantalum Resource March 2025 Area Resource category Cut-off grade (Li2O%) Tonnes (Mt) Li2O% Li2O (Kt) Ta2O5 ppm Ta2O5 (Kt) M1 Measured 0.5 - - - - - Indicated 9.9 0.9 92 51 0.5 Inferred 2.9 0.8 24 52 0.2 Total Resource 12.7 0.9 117 51 0.6 M2 Measured 0.5 - - - - - Indicated - - - - - Inferred 0.2 1.2 2 29 0.0 Total Resource 0.2 1.2 2 29 0.0 M3 Measured 0.5 - - - - - Indicated - - - - - Inferred 0.2 1.0 1 24 0.0 Total Resource 0.2 1.0 1 24 0.0 M4 Measured 0.5 - - - - - Indicated - - - - - Inferred 0.1 0.8 0 20 0.0 Total Resource 0.1 0.8 0 20 0.0 M20 Measured 0.5 - - - - - Indicated - - - - - Inferred 0.0 0.6 0 54 0.0 Total Resource 0.0 0.6 0 54 0.0 M36 Measured 0.5 - - - - - Indicated 4.7 1.1 51 106 0.5 Inferred 0.7 0.7 5 153 0.1 Total Resource 5.4 1.0 56 112 0.6 M42 Measured 0.5 - - - - - Indicated 0.2 0.6 1 131 0.0 Inferred 0.1 0.7 1 107 0.0 Total Resource 0.4 0.7 2 122 0.0 M47 Measured 0.5 - - - - - Indicated 1.4 0.9 13 154 0.2 Inferred 0.1 0.8 1 185 0.0 Total Resource 1.5 0.9 14 157 0.2 M67 Measured 0.5 - - - - - Indicated - - - - - Inferred 0.3 0.7 2 62 0.0 Total Resource 0.3 0.7 2 62 0.0 M69 Measured 0.5 - - - - - Indicated - - - - - Inferred 0.4 0.8 3 85 0.0 Total Resource 0.4 0.8 3 85 0.0 J1 Measured 0.5 - - - - - Indicated - - - - - Inferred 0.8 1.7 13 44 0.0 Total Resource 0.8 1.7 13 44 0.0 Total Measured - - - - - Total Indicated 16.1 1.0 158 77 1.2 Total Inferred 5.8 0.9 54 69 0.4 Total 21.9 1.0 212 75 1.6 Note: Reported inside a RPEEE pit shell and MSO shapes. Tonnages and grades have been rounded to reflect the relative uncertainty of the estimate. Inconsistencies in the totals are due to rounding. ASX ANNOUNCEMENT 27 October 2026 Table 5: Yinnetharra Tantalum Only MRE Yinnetharra Tantalum Only Resource March 2025 Area Resource category Cut-off grade (Ta2O5ppm) Tonnes (Mt) Li2O% Li2O (Kt) Ta2O5 ppm Ta2O5 (Kt) MT1 Measured 65 - - - - - Indicated 3.7 0.1 3 82 0.3 Inferred 0.6 0.0 0 94 0.1 Total Resource 4.3 0.1 4 84 0.4 MT20 Measured 65 - - - - - Indicated - - - - - Inferred 0.2 0.1 0 115 0.0 Total Resource 0.2 0.1 0 115 0.0 MT36 Measured 65 - - - - - Indicated 4.3 0.1 5 123 0.5 Inferred 0.6 0.1 1 106 0.1 Total Resource 4.9 0.1 5 121 0.6 MT42 Measured 65 - - - - - Indicated 0.3 0.2 1 175 0.1 Inferred 2.5 0.1 2 208 0.5 Total Resource 2.8 0.1 3 204 0.6 MT47 Measured 65 - - - - - Indicated 2.1 0.1 3 186 0.4 Inferred 0.5 0.1 0 257 0.1 Total Resource 2.5 0.1 3 199 0.5 MT67 Measured 65 - - - - - Indicated - - - - - Inferred 0.6 0.2 1 113 0.1 Total Resource 0.6 0.2 1 113 0.1 MT69 Measured 65 - - - - - Indicated - - - - - Inferred 1.6 0.1 2 105 0.2 Total Resource 1.6 0.1 2 105 0.2 MT70 Measured 65 - - - - - Indicated - - - - - Inferred 0.7 0.1 1 161 0.1 Total Resource 0.7 0.1 1 161 0.1 Total Measured - - - - Total Indicated 10.4 0.1 12 122 1.3 Total Inferred 7.1 0.1 7 156 1.1 Total 17.5 0.1 19 136 2.4 ASX ANNOUNCEMENT 27 October 2026 Appendix 1 – Tenement Listing Project Location Tenement Status Interest at start of Quarter Interest at end of Quarter Mt Ida ^ Western Australia E29/0640 Granted 100% 100% Mt Ida ^ Western Australia E29/0771 Granted 100% 100% Mt Ida ^ Western Australia E29/0944 Granted 100% 100% Mt Ida ^ Western Australia E29/0964 Granted 100% 100% Mt Ida ^ Western Australia E29/1238 Granted 100% 100% Mt Ida ^ Western Australia E29/1239 Granted 100% 100% Mt Ida ^ Western Australia E29/1240 Granted 100% 100% Mt Ida ^ Western Australia E29/1262 Granted 100% 100% Mt Ida^ Western Australia E29/1288 Granted 100% 100% Mt Ida^ Western Australia E29/1292 Granted 100% 100% Mt Ida^ Western Australia E29/1293 Granted 100% 100% Mt Ida^ Western Australia E29/1309 Granted 100% 100% Mt Ida ^ Western Australia M29/0002 Granted 100% 100% Mt Ida ^ Western Australia M29/0094 Granted 100% 100% Mt Ida ^ Western Australia M29/0165 Granted 100% 100% Mt Ida ^ Western Australia M29/0422 Granted 100% 100% Mt Ida ^ Western Australia M29/0429 Granted 100% 100% Mt Ida ^ Western Australia M29/0444 Granted 100% 100% Mt Ida ^ Western Australia M29/0458 Granted 100% 100% Mt Ida ^ Western Australia M29/0459 Granted 100% 100% Mt Ida ^ Western Australia P29/2666 Granted 100% 100% Mt Ida ^ Western Australia P29/2667 Granted 100% 100% Mt Ida ^ Western Australia P29/2668 Granted 100% 100% Mt Ida ^ Western Australia P29/2669 Granted 100% 100% Mt Ida ^ Western Australia P29/2719 Granted 100% 100% Mt Ida ^ Western Australia P29/2720 Granted 100% 100% Mt Ida ^ Western Australia P29/2721 Granted 100% 100% Mt Ida ^ Western Australia L29/166 Granted 100% 100% Mt Ida ^ Western Australia L29/171 Granted 100% 100% Mt Ida ^ Western Australia L29/186 Granted 100% 100% Mt Ida ^ Western Australia L29/229 Granted 50% 50% Mt Ida^** Western Australia L29/177 Granted 100% 100% Yinnetharra Western Australia E09/2114 Granted 100% 100% Yinnetharra Western Australia E09/2147 Granted 100% 100% Yinnetharra Western Australia E09/2156 Granted 100% 100% Yinnetharra Western Australia E09/2169 Granted 100% 100% Yinnetharra Western Australia E09/2170 Granted 100% 100% Yinnetharra Western Australia E09/2283 Granted 100% 100% Yinnetharra Western Australia E09/2302 Granted 100% 100% Yinnetharra Western Australia E09/2354 Granted 100% 100% ASX ANNOUNCEMENT 27 October 2026 Project Location Tenement Status Interest at start of Quarter Interest at end of Quarter Yinnetharra Western Australia E09/2358 Granted 100% 100% Yinnetharra Western Australia E09/2375 Granted 100% 100% Yinnetharra Western Australia E09/2388 Granted 100% 100% Yinnetharra Western Australia E09/2463 Granted 100% 100% Yinnetharra Western Australia E09/2464 Granted 100% 100% Yinnetharra Western Australia E09/2472 Granted 100% 100% Yinnetharra Western Australia E09/2545 Granted 100% 100% Yinnetharra Western Australia E09/2607 Granted 100% 100% Yinnetharra Western Australia E09/2621 Granted 100% 100% Yinnetharra Western Australia E09/2628 Granted 100% 100% Yinnetharra Western Australia E09/2629 Granted 100% 100% Yinnetharra Western Australia E09/2630 Granted 100% 100% Yinnetharra Western Australia E09/2641 Granted 100% 100% Yinnetharra Western Australia E09/2705 Granted 100% 100% Yinnetharra Western Australia E09/2829 Granted 100% 100% Yinnetharra Western Australia E09/2967 Granted 100% 100% Yinnetharra Western Australia E09/2968 Granted 100% 100% Yinnetharra Western Australia E09/3024 Granted 100% 100% Yinnetharra Western Australia M09/101 Granted 100% 100% Yinnetharra Western Australia E09/2716 Application 100% 100% Yinnetharra Western Australia E09/2772 Application 100% 100% Yinnetharra Western Australia E09/2789 Application 100% 100% Yinnetharra Western Australia E09/2796 Application 100% 100% Yinnetharra Western Australia E09/2807* Application 100% 100% Yinnetharra Western Australia E09/2808* Application 100% 100% Yinnetharra Western Australia E09/2814 Application 100% 100% Yinnetharra Western Australia E09/2997 Application 100% 100% Yinnetharra Western Australia E09/3068 Application 100% 100% Yinnetharra Western Australia M09/185 Application 100% 100% Yinnetharra Western Australia M09/186 Application 100% 100% ^ Ballard Mining Limited executed a Mineral Rights Deed with Delta Lithium Limited. Ballard Mining Ltd (via Mt Ida Au Pty Ltd) has exclusive rights to gold; Delta retains rights to all other minerals. On 9 July 2025 Ballard Mining ceased to be a subsidiary of Delta Lithium. *Application remains in ballot **Miscellaneous Licence is for the purpose for groundwater search only Rule 5.5 ASX Listing Rules Appendix 5B (17/07/20) Page 1 + See chapter 19 of the ASX Listing Rules for defined terms. Appendix 5B Mining exploration entity or oil and gas exploration entity quarterly cash flow report Name of entity Delta Lithium Limited (ASX Code: DLI) ABN Quarter ended (“current quarter”) 67 107 244 039 30 SEPTEMBER 2026 Consolidated statement of cash flows Current quarter $A’000 Year to date (3 months) $A’000 1. Cash flows from operating activities - - 1.1 Receipts from customers 1.2 Payments for (64) (64) (a) exploration & evaluation (if expensed) (b) development - - (c) production - - (d) staff costs (972) (972) (e) administration and corporate costs (123) (123) 1.3 Dividends received (see note 3) - - 1.4 Interest received 600 600 1.5 Interest and other costs of finance paid (8) (8) 1.6 Income taxes paid - - 1.7 Government grants and tax incentives 1,378 1,378 1.8 Other (provide details if material) - - 1.9 Net cash from / (used in) operating activities 811 811 2. Cash flows from investing activities - - 2.1 Payments to acquire or for: (a) entities (b) tenements - - (c) property, plant and equipment (7) (7) (d) exploration & evaluation (if capitalised) (1,501) (1,501) (e) investments - - (f) other non-current assets - - Appendix 5B Mining exploration entity or oil and gas exploration entity quarterly cash flow report ASX Listing Rules Appendix 5B (17/07/20) Page 2 + See chapter 19 of the ASX Listing Rules for defined terms. Consolidated statement of cash flows Current quarter $A’000 Year to date (3 months) $A’000 2.2 Proceeds from the disposal of: - - (a) entities (b) tenements - - (c) property, plant and equipment - - (d) investments - - (e) other non-current assets - - 2.3 Cash flows from loans to other entities - - 2.4 Dividends received (see note 3) - - 2.5 Other (provide details if material) - - 2.6 Net cash from / (used in) investing activities (1,508) (1,508) 3. Cash flows from financing activities - - 3.1 Proceeds from issues of equity securities (excluding convertible debt securities) 3.2 Proceeds from issue of convertible debt securities - - 3.3 Proceeds from exercise of options - - 3.4 Transaction costs related to issues of equity securities or convertible debt securities (2) (2) 3.5 Proceeds from borrowings - - 3.6 Repayment of borrowings from Associates - - 3.7 Transaction costs related to loans and borrowings - - 3.8 Dividends paid - - 3.9 Principle payments of lease liability (41) (41) 3.10 Net cash from / (used in) financing activities (43) (43) 4. Net increase / (decrease) in cash and cash equivalents for the period 4.1 Cash and cash equivalents at beginning of period 49,580 49,580 4.2 Net cash from / (used in) operating activities (item 1.9 above) 811 811 4.3 Net cash from / (used in) investing activities (item 2.6 above) (1,508) (1,508) 4.4 Net cash from / (used in) financing activities (item 3.10 above) (43) (43) Appendix 5B Mining exploration entity or oil and gas exploration entity quarterly cash flow report ASX Listing Rules Appendix 5B (17/07/20) Page 3 + See chapter 19 of the ASX Listing Rules for defined terms. Consolidated statement of cash flows Current quarter $A’000 Year to date (3 months) $A’000 4.5 Effect of movement in exchange rates on cash held - - 4.6 Cash and cash equivalents at end of period 48,840 48,840 5. Reconciliation of cash and cash equivalents at the end of the quarter (as shown in the consolidated statement of cash flows) to the related items in the accounts Current quarter $A’000 Previous quarter $A’000 5.1 Bank balances 8,631 9,580 5.2 Call deposits 40,209 40,000 5.3 Bank overdrafts 5.4 Other (provide details) 5.5 Cash and cash equivalents at end of quarter (should equal item 4.6 above) 48,840 49,580 6. Payments to related parties of the entity and their associates Current quarter $A'000 6.1 Aggregate amount of payments to related parties and their associates included in item 1