Announcement PDF Level 9, 2 Mill Street Perth WA 6000 T 61 8 8317 1700 E info@corelithium.com.au ABN 80 146 287 809 ASX CXO 3 September 2025 ASX: CXO Announcement Cleansing Notice Pursuant to Share Purchase Plan Core Lithium Ltd (ABN 80 146 287 809) (Company) refers to its announcement dated 28 August 2025 in respect of a share purchase plan. In accordance with ASIC Corporations (Share and Interest Purchase Plans) Instrument 2019/547 (Instrument), the Company gives notice that: (a) it will make offers to issue fully paid ordinary shares under a share purchase plan without disclosure to investors under Part 6D.2 of the Corporations Act 2001 (Cth) (Corporations Act); (b) this notice is being given in accordance with the Instrument; (c) as at the date of this notice, the Company has complied with: i. the provisions of Chapter 2M of the Corporations Act as they apply to the Company; and ii. sections 674 and 674A of the Corporations Act; and (d) as at the date of this notice, there is no information that is “excluded information” (as defined in sections 708A(7) and 708A(8) of the Corporations Act) which is required to be disclosed by the Company. This announcement has been approved for release by the Core Lithium Board. For further information, please contact: Investor Enquiries Paul Brown CEO Core Lithium Ltd +61 8 8317 1700 info@corelithium.com.au corelithium.com.au Media enquiries Michael Vaughan Executive Director Fivemark Partners +61 422 602 720 michael.vaughan@fivemark.com.au 1