Announcement PDF ASX ANNOUNCEMENT 30 July 2025 AUGUST INVESTOR WEBINAR INVITATION Lake Resources N.L. (ASX: LKE; OTC: LLKKF) (“Lake” or the “Company”) will be conducting an investor roadshow in Brisbane, Sydney, Melbourne, and Perth from 4 August to 14 August 2025. To preview the roadshow, Managing Director and CEO David Dickson will hold an investor webinar on Monday, 4 August 2025, during which he will cover key operational and market updates, including: • Kachi Resource Update1: The Kachi Project’s mineral resource has grown, with an updated resource estimate of 11.1 million tonnes of lithium carbonate equivalent, including 8.2 million tonnes in the Measured and Indicated categories2, reinforcing Kachi’s status as a globally significant lithium asset. • Lilac Solutions Breakthrough3: Partner Lilac Solutions has improved their direct lithium extraction (“DLE”) process with its 4th-generation ion exchange technology, achieving4 over 90% lithium recovery, up to 50% equipment cost savings, and 25% lower total DLE costs. • Power Progress5: Lake’s collaboration with Argentina’s YPF Luz has confirmed a viable grid power solution for Kachi, de-risking the project’s energy needs. • Lithium Market Update: With lithium prices rebounding and strong demand forecasts for 2025 and beyond, Kachi is primed to capitalise on the growing need for high-purity battery-grade lithium, driving value for investors. Webinar details: The webinar will be streamed at 9:00 am AEST (Monday, 4 August), following the release of presentation material to the ASX. The webinar can be accessed at the following link at the scheduled time: Lake Resources | Investor Webinar – August 2025. The webinar will be viewable by investors who have signed up to Lake’s Investor Hub, available through Lake’s public website. To register, sign up to the Lake’s Investor Hub by clicking here. If you already have an account, click on the "Log in" button. If you have a question, please submit it via InvestorRelations@lakeresources.com.au or log onto Lake’s Investor Hub. 1 Refer to ASX Announcement dated 3 June 2025 2 See table at the end of the announcement with a breakdown of each category 3 Refer to https://lilacsolutions.com/news/lilac-unveils-latest-generation-technology 4 Refer to ASX Announcement dated 19 July 2025 5 Refer to ASX Announcement dated 2 July 2025 About Lake Resources N.L. (ASX: LKE, OTC: LLKKF) Lake Resources N.L. (ASX: LKE, OTC: LLKKF) is a responsible lithium developer utilising state of-the-art ion exchange extraction technology for production of sustainable, high purity lithium from its flagship Kachi Project in Catamarca Province within the Lithium Triangle in Argentina. This ion exchange extraction technology delivers a solution for two rising demands – high purity battery materials to avoid performance issues, and more sustainable, responsibly sourced materials with low carbon footprint and significant ESG benefits. Forward Looking Statements: Certain statements contained in this announcement, including information as to the future financial performance of the projects and the Company, are forward-looking statements. Such forward-looking statements are necessarily based upon a number of estimates and assumptions that, while considered reasonable by Lake Resources N.L. are inherently subject to significant technical, business, economic, competitive, political and social uncertainties and contingencies; involve known and unknown risks and uncertainties and other factors that could cause actual events or results to differ materially from estimated or anticipated events or results, expressed or implied, reflected in such forward-looking statements; and may include, among other things, statements regarding targets, estimates and assumptions in respect of production and prices, operating costs and results, capital expenditures, reserves and resources and anticipated flow rates, and are or may be based on assumptions and estimates related to future technical, economic, market, political, social and other conditions and affected by the risk of further changes in government regulations, policies or legislation and that further funding may be required, but unavailable, for the ongoing development of Lake’s projects. Lake Resources N.L. disclaims any intent or obligation to update any forward-looking statements, whether as a result of new information, future events or results or otherwise. The words “believe”, “expect”, “anticipate”, “indicate”, “contemplate”, “target”, “plan”, “intends”, “continue”, “budget”, “estimate”, “may”, “will”, “schedule” and similar expressions identify forward-looking statements. All forward-looking statements made in this announcement are qualified by the foregoing cautionary statements. Investors are cautioned that forward-looking statements are not guarantees of future performance and accordingly investors are cautioned not to put undue reliance on forwardlooking statements due to the inherent uncertainty therein. Lake does not undertake to update any forward-looking information, except in accordance with applicable securities laws. Mineral Resources Breakdown Table Measured Mineral Resource May 2025 (to 600 m depth) Volume m3 Specific Yield % Brine volume Unit Sediment A 10,339,000,000 0.078 B 4,385,500,000 C to 400 Liters Li mg/L Li grams Li Tonnes Tonnes LCE 806,442,000 806,442,000,000 0.210 169,352,820,000 169,000 901,000 0.088 385,740,000 385,740,248,000 0.229 88,334,517,000 88,000 470,000 7,561,800,000 0.068 514,202,000 514,202,400,000 0.230 118,266,552,000 118,000 629,000 Fan West to 400 11,088,000,000 0.095 1,053,360,000 1,053,360,000,000 0.220 231,739,200,000 232,000 1,233,000 m3 C to 400 7,561,800,000 0.068 514,202,000 514,202,400,000 0.230 118,266,552,000 118,000 629,000 K24 -K25 below 400 7,744,200,000 0.093 720,211,000 720,210,600,000 0.250 180,132,593,000 180,000 958,000 Total 41,118,500,000 3,479,955,000 3,479,955,248,000 787,825,682,000 788,000 4,191,000 Indicated Mineral Resource May 2025 (to 600 m depth) Sediment Specific Brine volume Volume m3 Yield % m3 A South 3,694,300,000 0.076 B South 1,489,000,000 C South Liters Li mg/L Li grams Li Tonnes Tonnes LCE 278,924,000 278,924,453,000 0.181 50,485,326,000 50,000 269,000 0.075 111,544,000 111,543,670,000 0.179 19,927,611,000 20,000 106,000 4,434,492,000 0.067 297,111,000 297,110,964,000 0.182 54,076,275,000 54,000 288,000 A North 3,075,200,000 0.095 292,144,000 292,144,000,000 0.232 67,776,824,000 68,000 361,000 B North 4,294,400,000 0.102 438,029,000 438,028,800,000 0.241 105,431,342,000 105,000 561,000 C North 4,115,300,000 0.102 419,761,000 419,760,600,000 0.182 76,396,429,000 76,000 406,000 D North 5,073,100,000 0.102 517,456,000 517,456,200,000 0.182 94,177,028,000 94,000 501,000 K21 8,304,500,000 0.065 541,394,000 541,393,608,000 0.192 103,822,511,000 104,000 552,000 Under Measured ABC 400600 7,453,100,000 0.067 501,818,000 501,817,968,000 0.242 121,529,774,000 122,000 647,000 Under Measured Fan 400 600 3,775,900,000 0.063 239,343,000 239,343,351,000 0.242 57,850,485,000 58,000 308,000 Total 45,709,292,000 3,637,524,000 3,637,523,614,000 0 751,473,605,000 751,000 3,998,000 1,539,299 8,189,000 Unit Combined Measured and Indicated + Indicated 86,827,792,000 - 7,117,478,861 7,117,478,861,140 - 1,539,299,286,959 Inferred May 2025 Sediment Specific Brine volume Yield % m 3 Unit Volume m 3 Liters Li mg/L Li grams Li Tonnes Tonnes LCE A 3,870,500,000 0.08 309,640,000 309,640,000,000 0.185 57,283,400,000 57,000 305,000 B 1,569,100,000 0.079 123,959,000 123,958,900,000 0.191 23,676,150,000 24,000 126,000 C 5,446,470,000 0.074 404,338,000 404,338,308,000 0.218 88,218,532,000 88,000 469,000 Fan North 9,109,970,000 0.102 929,217,000 929,216,940,000 0.232 215,578,330,000 216,000 1,147,000 Fan South 2,767,500,000 0.093 257,378,000 257,377,500,000 0.239 61,513,223,000 62,000 327,000 Under volcano 6,718,700,000 0.074 500,187,000 500,187,059,000 0.193 96,425,185,000 96,000 513,000 Total 29,482,240,000 2,522,621,000 2,522,620,663,000 542,294,093,000 542,000 2,885,000 - - Note: This table has been directly extracted from the JORC update announced on 3 June 2025. Lake confirms that it Is not aware of any information that materially affects the information included in Lake's JORC update announced to ASX on 3 June 2025 and all material assumptions contained in that announcement continue to apply and have not materially changed.