Announcement PDF Level 4, 186 St Georges Terrace T 61 8 8317 1700 ABN 80 146 287 809 Perth WA 6000 E info@corelithium.com.au ASX CXO corelithium.com.au 1 4 September 2026 ASX: CXO Announcement Sale of remaining lithium fines stockpile Highlights • Agreement with Glencore International AG for sale of remaining ~25kt of lithium DSO fines from the existing Finniss fines stockpile • Base price of ~US$285/t (~A$400/t1) CIF, subject to customary adjustments2, with proceeds expected to be received in the December quarter • Completes monetisation of all existing stockpiles, generating incremental revenue from total lithium sales in 2026 of ~A$38.5 million Core Lithium Ltd (ASX: CXO) (Core or the Company) is pleased to advise that it has entered into a binding marketing agreement with Glencore International AG to sell the final ~25,000 tonnes (t) of lithium fines stockpile from the Finniss Lithium Operation (Finniss or the Operation). The transaction represents the third sale of the lithium fines stockpile that was held at Finniss, following two prior sales in April and June. Pricing under the agreement reflects prevailing lithium fines market conditions at the time of sale, with a base price of ~US$285/t (~A$400/t) CIF, based on indicative Li2O content. The shipment is scheduled for this quarter through the Darwin port. Net proceeds are subject to final grade adjustments and transport costs; otherwise, the agreement is unconditional and subject to customary terms for a transaction of this nature. Commenting on the fines stockpile sale, Core Managing Director Paul Brown said: “Completing sales of our stockpiled material has been a deliberate strategy to generate additional cash and further enhance financial flexibility in ramping up operations at Finniss. We have now generated incremental revenue of ~A$38.5 million from total lithium sales in calendar year 2026. “These transactions demonstrate the strong relationship Core has established with Glencore. Core has successfully reactivated the Finniss logistics chain and is well-positioned for our first spodumene concentrate shipment in the December quarter.” 1 Based on an exchange rate of AUD/USD ~$0.71. 2 Core will ship 25kwmt of material with the final realised price for material based on dry tonnes. This will be subject to customary adjustments, including (but not limited to) grade, moisture, impurities, transport differentials and other standard commercial terms typical for direct shipping ore (DSO) transactions. 2 corelithium.com.au This announcement has been approved for release by the Board of Core Lithium Ltd. For further information, please contact: Investor Enquiries Paul Brown Managing Director Core Lithium Ltd +61 8 8317 1700 info@corelithium.com.au Media enquiries Cameron Morse Senior Managing Director FTI Consulting Limited + 61 433 886 871 cameron.morse@fticonsulting.com About Core Core Lithium Ltd (ASX: CXO) (Core or Company) is an Australian hard-rock lithium company that owns the Finniss Lithium Operation on the Cox Peninsula, south-west and 88km by sealed road from the Darwin Port, Northern Territory. Core's vision is to generate sustained shareholder value from critical minerals exploration and mining projects underpinned by strong environmental, safety and social standards. For further information about Core and its projects, visit www.corelithium.com.au Important Information This announcement may reference forecasts, estimates, assumptions and other forward-looking statements. Although the Company believes that its expectations, estimates and forecast outcomes are based on reasonable assumptions, it cannot assure that they will be achieved. They may be affected by various variables and changes in underlying assumptions subject to risk factors associated with the nature of the business, which could cause results to differ materially from those expressed in this announcement. The Company cautions against reliance on any forward-looking statements in this announcement.