Announcement PDF 603 Page 1 of 3 15 July 2001 Form 603 Corporations Act 2001 Section 671B Notice of initial substantial holder To Company Name/Scheme CORE LITHIUM LTD ACN/ARSN 146 287 809 1. Details of substantial holder (1) Name Australian Retirement Trust Pty LTD ATF Australian Retirement Trust ACN/ARSN (if applicable) 010 720 840 The holder became a substantial holder on 30/09/2026 2. Details of voting power The total number of votes attached to all the voting shares in the company or voting interests in the scheme that the substantial holder or an associate (2) had a relevant interest (3) in on the date the substantial holder became a substantial holder are as follows: Class of securities (4) Number of securities Person's votes (5) Voting power (6) Fully paid ordinary shares 164,397,437 164,397,437 5.079% 3. Details of relevant interests The nature of the relevant interest the substantial holder or an associate had in the following voting securities on the date the substantial holder became a substantial holder are as follows: Holder of relevant interest Nature of relevant interest (7) Class and number of securities Australian Retirement Trust Pty LTD ATF Australian Retirement Trust Power to exercise voting rights pursuant to position held as trustee of a superannuation fund. Fully paid ordinary shares 164,397,437 4. Details of present registered holders The persons registered as holders of the securities referred to in paragraph 3 above are as follows: Holder of relevant interest Registered holder of securities Person entitled to be registered as holder (8) Class and number of securities Australian Retirement Trust Pty LTD ATF Australian Retirement Trust HSBC Custody Nominees (Australia)Limited Fully paid ordinary shares 164,397,437 5. Consideration The consideration paid for each relevant interest referred to in paragraph 3 above, and acquired in the four months prior to the day that the substantial holder became a substantial holder is as follows: Holder of relevant interest Date of acquisition Consideration (9) Class and number of securities Cash Non-cash Refer to Annexure A 603 Page 2 of 3 15 July 2001 6. Associates The reasons the persons named in paragraph 3 above are associates of the substantial holder are as follows: Name and ACN/ARSN (if applicable) Nature of association 7. Addresses The addresses of persons named in this form are as follows: Name Address Australian Retirement Trust Pty LTD ATF Australian Retirement Trust 266 George Street, Brisbane, Queensland 4000 Signature print name Kristy Huxtable capacity Company Secretary sign here date 2/10/2026 DIRECTIONS (1) If there are a number of substantial holders with similar or related relevant interests (eg. a corporation and its related corporations, or the manager and trustee of an equity trust), the names could be included in an annexure to the form. If the relevant interests of a group of persons are essentially similar, they may be referred to throughout the form as a specifically named group if the membership of each group, with the names and addresses of members is clearly set out in paragraph 7 of the form. (2) See the definition of "associate" in section 9 of the Corporations Act 2001. (3) See the definition of "relevant interest" in sections 608 and 671B(7) of the Corporations Act 2001. (4) The voting shares of a company constitute one class unless divided into separate classes. (5) The total number of votes attached to all the voting shares in the company or voting interests in the scheme (if any) that the person or an associate has a relevant interest in. (6) The person's votes divided by the total votes in the body corporate or scheme multiplied by 100. (7) Include details of: (a) any relevant agreement or other circumstances by which the relevant interest was acquired. If subsection 671B(4) applies, a copy of any document setting out the terms of any relevant agreement, and a statement by the person giving full and accurate details of any contract, scheme or arrangement, must accompany this form, together with a written statement certifying this contract, scheme or arrangement; and (b) any qualification of the power of a person to exercise, control the exercise of, or influence the exercise of, the voting powers or disposal of the securities to which the relevant interest relates (indicating clearly the particular securities to which the qualification applies). See the definition of "relevant agreement" in section 9 of the Corporations Act 2001. (8) If the substantial holder is unable to determine the identity of the person ( eg. if the relevant interest arises because of an option) write "unknown". (9) Details of the consideration must include any and all benefits, money and other, that any person from whom a relevant interest was acquired has, or may, become entitled to receive in relation to that acquisition. Details must be included even if the benefit is conditional on the happening or not of a contingency. Details must be included of any benefit paid on behalf of the substantial holder or its associate in 603 Page 3 of 3 15 July 2001 relation to the acquisitions, even if they are not paid directly to the person from whom the relevant interest was acquired. Page 1 of 1 Annexure A Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust ACN 010 720 840 This is Annexure A of 1 page referred to in Form 603, Notice of initial substantial holder Kristy Huxtable Company Secretary Date: 2/10/2026 Cash Non-Cash Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 4/06/2026 1,097,225.19 Ordinary Fully Paid 3,388,476 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 5/06/2026 705,920.29 Ordinary Fully Paid 2,213,260 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 9/06/2026 803,012.48 Ordinary Fully Paid 2,705,097 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 10/06/2026 1,243,763.75 Ordinary Fully Paid 4,550,073 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 11/06/2026 472,381.40 Ordinary Fully Paid 1,829,115 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 11/06/2026 783,726.55 Ordinary Fully Paid 3,033,383 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 12/06/2026 102,571.44 Ordinary Fully Paid 427,287 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 12/06/2026 614,079.45 Ordinary Fully Paid 2,334,215 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 15/06/2026 225,250.36 Ordinary Fully Paid 866,157 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 16/06/2026 246,472.23 Ordinary Fully Paid 887,673 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 17/06/2026 593,493.03 Ordinary Fully Paid 1,974,584 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 18/06/2026 110,517.25 Ordinary Fully Paid 388,291 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 18/06/2026 59,790.01 Ordinary Fully Paid 202,678 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 18/06/2026 1,639,355.71 Ordinary Fully Paid 5,557,138 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 18/06/2026 66,375.00 Ordinary Fully Paid 225,000 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 23/06/2026 951,558.83 Ordinary Fully Paid 3,249,384 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 24/06/2026 284,529.55 Ordinary Fully Paid 936,362 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 3/07/2026 207,331.00 Ordinary Fully Paid 829,988 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 6/07/2026 1,560,128.62 Ordinary Fully Paid 5,948,429 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 7/07/2026 1,264,349.28 Ordinary Fully Paid 4,529,888 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 8/07/2026 2,722,380.04 Ordinary Fully Paid 9,091,044 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 9/07/2026 3,032,017.35 Ordinary Fully Paid 10,304,365 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 16/07/2026 189,526.44 Ordinary Fully Paid 751,930 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 30/07/2026 201,084.21 Ordinary Fully Paid 818,630 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 6/08/2026 4,059.28 Ordinary Fully Paid 16,332 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 11/08/2026 1,731,356.31 Ordinary Fully Paid 6,167,639 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 12/08/2026 498,814.26 Ordinary Fully Paid 1,661,834 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 13/08/2026 112,648.03 Ordinary Fully Paid 368,932 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 20/08/2026 22,933.00 Ordinary Fully Paid 61,947 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 21/08/2026 73,379.32 Ordinary Fully Paid 200,995 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 24/08/2026 1,599,623.20 Ordinary Fully Paid 4,290,623 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 24/08/2026 75,393.82 Ordinary Fully Paid 204,219 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 25/08/2026 45,888.62 Ordinary Fully Paid 122,408 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 26/08/2026 6,747.14 Ordinary Fully Paid 17,874 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 3/09/2026 1,732,748.02 Ordinary Fully Paid 4,460,923 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 8/09/2026 17,000.00 Ordinary Fully Paid 50,000 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 9/09/2026 16,500.00 Ordinary Fully Paid 50,000 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 15/09/2026 34,500.00 Ordinary Fully Paid 100,000 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 16/09/2026 39,000.00 Ordinary Fully Paid 100,000 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 18/09/2026 7,233,996.35 Ordinary Fully Paid 20,623,190 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 22/09/2026 9,941,056.25 Ordinary Fully Paid 26,861,810 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 22/09/2026 17,491,171.27 Ordinary Fully Paid 47,263,038 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 22/09/2026 2,062,447.73 Ordinary Fully Paid 5,572,957 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust 30/09/2026 2,630,056.33 Ordinary Fully Paid 7,954,783 Date of acquisition Holder of Relevant Interest Consideration Class and number of securities Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust ACN 010 720 840 Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust (ABN 88 010 720 840) discloses that as at 30/09/2026: it holds an economic interest in shares in CORE LITHIUM LIMITED as set out below. The key terms are as follows: Identity of the taker Australian Retirement Trust Pty Ltd ATF Australian Retirement Trust Relevant security Ordinary Fully Paid in Core Lithium Limited Price (Including reference price, strike price, option price etc. as appropriate) Not Applicable Entry date and number of securities to which the derivative relates The derivatives relate to a short position of 1,474,384 ordinary shares as at 30/09/2026. Type of derivative Cash-settled equity basket swap Any material changes to information previously disclosed to the market Not Applicable Relevant interest in the securities 164,397,437 ordinary shares Long equity derivative positions held by the taker and its associates, its relevant interest and its associates' relevant interests Relevant Interest: 164,397,437 Ordinary Fully Paid Economic Interest (under cash-settled equity swaps): 0 shares Total Long Position (Relevant Interest + Economic Interest): 164,397,437 Ordinary Fully Paid Short equity derivative positions that offset long positions 1,474,384 Ordinary Fully Paid (short position) Short positions of more than 1% that have been acquired after a long position is disclosed, whether by notice of substantial holding notice None This is Annexure B of 1 page referred to in Form 603, Notice of change of interests of substantial holder Kristy Huxtable Company Secretary Date: 2/10/2026 Annexure B - Disclosure under Takeovers Panel Guidance Note 20 - Equity Derivatives The notice is provided pursuant to Guidance Note 20: Equity Derivatives, issued by the Australian Takeovers Panel. Terms not defined in this notice have the meanings given to them in Guidance Note 20.