Announcement PDF 605 15 July 2001 Form 605 Corporations Act 2001 Section 671B Notice of ceasing to be a substantial holder To Company Name/Scheme Lake Resources N.L. ACN/ARSN 079 471 980 1. Details of substantial holder (1) Name Vanguard Group (The Vanguard Group, Inc. and its controlled entities including those listed in Annexure A) N/A ACN/ARSN (if applicable) The holder ceased to be a substantial holder on 31 August 2023 The previous notice was given to the company on 09 June 2023 The previous notice was dated 09 June 2023 2. Changes in relevant interests Particulars of each change in, or change in the nature of, a relevant interest (2) of the substantial holder or an associate (3) in voting securities of the company or scheme, since the substantial holder was last required to give a substantial holding notice to the company or scheme are as follows: Date of change Person whose relevant interest changed See Annexure A Nature of change (4) Consideration given in relation to change (5) Class (6) and number of securities affected Person's votes affected Vanguard Group now holds 4.801% of voting power 3. Changes in association The persons who have become associates (3) of, ceased to be associates of, or have changed the nature of their association (7) with, the substantial holder in relation to voting interests in the company or scheme are as follows: Name and ACN/ARSN (if applicable) N/A Nature of association N/A 4. Addresses The addresses of persons named in this form are as follows: Name Vanguard Group Address P.O. Box 2600, V26 Valley Forge, PA 19482 USA Signature Print sign here ________Shawn Acker capacity date Compliance Manager 05 September 2023 Annexure A To Company ACN/ARSN Lake Resources N.L. 079 471 980 Substantial Holder Name ACN/ARSN Vanguard Group N/A Date of change Person whose relevant interest changed 31-Aug-23 The Vanguard Group, Inc. 7-Jun-23 Vanguard Investments Australia Ltd. 9-Jun-23 Vanguard Investments Australia Ltd. 15-Jun-23 Vanguard Investments Australia Ltd. 15-Jun-23 Vanguard Investments Australia Ltd. 19-Jun-23 Vanguard Investments Australia Ltd. 22-Jun-23 Vanguard Investments Australia Ltd. 23-Jun-23 Vanguard Investments Australia Ltd. 26-Jun-23 Vanguard Investments Australia Ltd. 27-Jun-23 Vanguard Investments Australia Ltd. 27-Jun-23 Vanguard Investments Australia Ltd. 3-Jul-23 Vanguard Investments Australia Ltd. 3-Jul-23 Vanguard Investments Australia Ltd. 3-Jul-23 Vanguard Investments Australia Ltd. 4-Jul-23 Vanguard Investments Australia Ltd. 5-Jul-23 Vanguard Investments Australia Ltd. 5-Jul-23 Vanguard Investments Australia Ltd. 7-Jul-23 Vanguard Investments Australia Ltd. 10-Jul-23 Vanguard Investments Australia Ltd. 11-Jul-23 Vanguard Investments Australia Ltd. 19-Jul-23 Vanguard Investments Australia Ltd. 20-Jul-23 Vanguard Investments Australia Ltd. 20-Jul-23 Vanguard Investments Australia Ltd. 24-Jul-23 Vanguard Investments Australia Ltd. 25-Jul-23 Vanguard Investments Australia Ltd. 25-Jul-23 Vanguard Investments Australia Ltd. 26-Jul-23 Vanguard Investments Australia Ltd. 26-Jul-23 Vanguard Investments Australia Ltd. 31-Jul-23 Vanguard Investments Australia Ltd. 3-Aug-23 Vanguard Investments Australia Ltd. 4-Aug-23 Vanguard Investments Australia Ltd. 9-Aug-23 Vanguard Investments Australia Ltd. 10-Aug-23 Vanguard Investments Australia Ltd. 16-Aug-23 Vanguard Investments Australia Ltd. 16-Aug-23 Vanguard Investments Australia Ltd. 17-Aug-23 Vanguard Investments Australia Ltd. 17-Aug-23 Vanguard Investments Australia Ltd. 18-Aug-23 Vanguard Investments Australia Ltd. 22-Aug-23 Vanguard Investments Australia Ltd. 23-Aug-23 Vanguard Investments Australia Ltd. 23-Aug-23 Vanguard Investments Australia Ltd. 23-Aug-23 Vanguard Investments Australia Ltd. 23-Aug-23 Vanguard Investments Australia Ltd. 25-Aug-23 Vanguard Investments Australia Ltd. 30-Aug-23 Vanguard Investments Australia Ltd. 30-Aug-23 Vanguard Investments Australia Ltd. 30-Aug-23 Vanguard Investments Australia Ltd. 31-Aug-23 Vanguard Investments Australia Ltd. Nature of Change(6) SELL BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY SELL SELL SELL BUY BUY BUY BUY BUY BUY BUY BUY BUY SELL SELL SELL BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY BUY SELL Consideration given in relation to change(7) 0.22 0.51 0.48 0.46 0.46 0.38 0.31 0.30 0.30 0.29 0.29 0.31 0.31 0.31 0.32 0.31 0.31 0.29 0.28 0.30 0.28 0.28 0.28 0.24 0.24 0.24 0.24 0.24 0.23 0.22 0.22 0.17 0.21 0.24 0.24 0.22 0.22 0.22 0.24 0.25 0.25 0.25 0.25 0.23 0.22 0.22 0.22 0.22 This is Annexure A of 1 page referred to in Form 605, Notice of ceasing to be a substantial holder. Signature: Name: Shawn Acker Capacity: Compliance Manager Date: 05 September 2023 Page 1 of 1 Class Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Ordinary Number of securities Person's votes affected affected (620,605) (620,605) 11,116 11,116 12,712 12,712 14,706 14,706 3,002 3,002 9,140 9,140 4,434 4,434 4,434 4,434 14,464 14,464 16,479 16,479 13,713 13,713 4,404 4,404 29,824 29,824 4,509 4,509 (123,240) (123,240) (94,550) (94,550) (18,910) (18,910) 19,150 19,150 32,555 32,555 7,345 7,345 20,150 20,150 10,175 10,175 13,545 13,545 16,352 16,352 9,066 9,066 58,929 58,929 (131,428) (131,428) (29,400) (29,400) (4,410) (4,410) 17,680 17,680 13,635 13,635 23,850 23,850 24,140 24,140 21,880 21,880 17,504 17,504 18,176 18,176 19,440 19,440 20,030 20,030 177,055 177,055 56,868 56,868 8,124 8,124 20,310 20,310 89,364 89,364 20,470 20,470 21,700 21,700 58,590 58,590 7,395 7,395 (2,876,288) (2,876,288)