To Company Name/ Scheme Westgold Resources Limited ACN/ ARSN 009 260 306 1. Details of substantial holder (1) Name L1 Capital Pty Ltd ACN/ ARSN (if applicable) 125 378 145 There was a change in the interests of the substantial holder on The previous notice was given to the company on The previous notice was dated 2. Previous and present voting power *Based on issued capital of 944,831,564 shares 3. Changes in relevant interests See Annexure A 4. Present relevant interests Particulars of each relevant interest of the substantial holder in voting securities after the change are as follows: See Annexure B Holder of relevant interest Registered Holder of securities Person entitled to be registered as holder (8) Nature of relevant interest Class and number of securities Form 604 Corporations Act 2001 Section 671B Notice of change of interests of substantial holder Particulars of each change in, or change in the nature of, a relevant interest of the substantial holder or an associate 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: Person's votes affected Person whose relevant interest changed Nature of change (6) Consideration given in relation to change (7) 78,086,849 Date of change Class and number of securities affected Person's votes Voting power (5) FPO Class of securities (4) 28/05/2026 3/03/2026 3/03/2026 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 when last required, and when now required, to give a substantial holding notice to the company or scheme, are as follows: Present notice Previous notice 8.26% Person's votes Voting power (5) Person's votes 66,756,953 7.07% 5. Changes in association 6. Addresses The addresses of persons named in this form are as follows: Signature Print name Capacity Sign here Date DIRECTIONS (1) (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 person's votes divided by the total votes in the body corporate or scheme multiplied by 100. (6) Include details of: (a) (b) See the definition of "relevant agreement" in section 9 of the Corporations Act 2001. (7) (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) Give details, if appropriate, of the present association and any change in that association since the last substantial holding notice. 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 relation to the acquisitions, even if they are not paid directly to the person from whom the relevant interest was acquired. 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 6 of the form. 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). The persons who have become associates (2) of, ceased to be associates of, or have changed the nature of their association (9) with, the substantial holder in relation to voting interests in the company or scheme are as follows: Nature of association Name L1 Capital Pty Ltd Address Name and ACN/ ARSN (if applicable) N/A Level 45, 101 Collins Street, Melbourne, VIC, 3000 any relevant agreement or other circumstances because of which the change in relevant interest occurred. 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 1/06/2026 Jane Stewart Head of Legal and Compliance Annexure A L1 Capital Pty Ltd (ACN 125 378 145) change in substantial holding in Westgold Resources Limited This is Annexure "A" of 2 pages referred to in the Form 604 (Notice of Change of interests of Substantial Holder) Print Name Jane Stewart Capacity Head of Legal and Compliance Sign Here Date 1/06/2026 Changes in relevant interests 9/03/2026 On-Market Purchase 3,735,199.60 600,000 FPO 600,000 11/03/2026 On-Market Sale 5,628,742.65 876,458 FPO 876,458 20/03/2026 On-Market Purchase 4,126,200.00 780,000 FPO 780,000 23/03/2026 On-Market Purchase 2,657,772.04 534,226 FPO 534,226 24/03/2026 On-Market Purchase 4,194,916.79 812,095 FPO 812,095 25/03/2026 On-Market Purchase 499,073.64 91,688 FPO 91,688 26/03/2026 On-Market Purchase 412,500.00 75,000 FPO 75,000 27/03/2026 On-Market Purchase 1,766,471.78 326,687 FPO 326,687 1/04/2026 On-Market Purchase 156,293.92 24,848 FPO 24,848 2/04/2026 On-Market Purchase 7,902,968.32 1,300,000 FPO 1,300,000 7/04/2026 On-Market Purchase 1,325,349.11 215,469 FPO 215,469 14/04/2026 On-Market Sale 1,295,517.48 199,978 FPO 199,978 21/04/2026 On-Market Sale 5,622,008.58 872,116 FPO 872,116 23/04/2026 On-Market Purchase 852,622.98 137,742 FPO 137,742 Class and number of securities affected Person's votes affected L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd Nature of change (6) Consideration given in relation to change (7) L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd Date of change Person whose relevant interest changed 24/04/2026 On-Market Purchase 293,181.00 48,300 FPO 48,300 27/04/2026 On-Market Purchase 550,734.20 89,260 FPO 89,260 28/04/2026 On-Market Purchase 2,434,531.75 399,855 FPO 399,855 30/04/2026 On-Market Purchase 3,308,312.50 617,114 FPO 617,114 11/05/2026 On-Market Purchase 1,321,955.34 236,342 FPO 236,342 12/05/2026 On-Market Purchase 4,997,014.12 871,036 FPO 871,036 21/05/2026 On-Market Purchase 6,425,133.00 1,280,000 FPO 1,280,000 22/05/2026 On-Market Purchase 2,672,433.76 536,781 FPO 536,781 25/05/2026 On-Market Purchase 2,050,000.00 400,000 FPO 400,000 26/05/2026 On-Market Purchase 3,555,792.60 688,440 FPO 688,440 27/05/2026 On-Market Purchase 1,351,100.32 258,972 FPO 258,972 28/05/2026 On-Market Purchase 13,552,335.93 2,759,044 FPO 2,759,044 29/05/2026 On-Market Purchase 1,003,166.37 195,549 FPO 195,549 L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd L1 Capital Pty Ltd Annexure B L1 Capital Pty Ltd (ACN 125 378 145) change in substantial holding in Westgold Resources Limited This is Annexure "B" of 1 page referred to in the Form 604 (Notice of Change of interests of Substantial Holder) Print Name Jane Stewart Capacity Head of Legal and Compliance Sign Here Date 1/06/2026 Details of present relevant interests Power to (or to control) exercise vote and/or dispose of the securities as discretionary investment managers or advisers of superannuation funds, pooled superannuation trusts, managed investment schemes and investment management agreements. 14,116,340 FPO as above 22,252,365 FPO as above 16,986,796 FPO as above 24,731,348 FPO L1 Capital Pty Ltd JPMorgan Chase Bank, N.A. JPMorgan Chase Bank, N.A. L1 Capital Pty Ltd Morgan Stanley & Co. International PLC Morgan Stanley & Co. International PLC L1 Capital Pty Ltd Goldman Sachs International Goldman Sachs International Holder of relevant interest Registered holder of securities Persons entitled to be a registered holder Class and number of securities L1 Capital Pty Ltd Merrill Lynch (Australia) Nominees Pty Limited Merrill Lynch (Australia) Nominees Pty Limited Nature of relevant interest