Form 605 Corporations Act 2001 Section 671B Notice of ceasing to be a substantial holder To Company Name/Scheme Westgold Resources Ltd ACN/ARSN 009 260 306 1. Details of substantial holder (1) Name First Sentier Investors Holdings Pty Limited ACN 630 725 558 and its related bodies corporate or associates listed in annexure A ACN/ARSN (if applicable) 630 725 558 The holder ceased to be a substantial holder on 27/03/2025 The previous notice was given to the company on 31/03/2025 The previous notice was dated 26/03/2025 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 Nature of change (4) Consideration given in relation to change (5) Class (6) and number of securities affected Person's votes affected See annexure B to this notice 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) Nature of association 4. Addresses The addresses of persons named in this form are as follows: Name Address First Sentier Investors RQI Pty Ltd ACN 133 312 017 Level 5, Tower Three International Towers Sydney, 300 Barangaroo Avenue, Barangaroo NSW 2000, Australia First Sentier Investors (Australia) IM Ltd ACN 114 194 311 Level 5, Tower Three International Towers Sydney, 300 Barangaroo Avenue, Barangaroo NSW 2000, Australia Mitsubishi UFJ Financial Group 1-4-5, Marunouchi, Chiyoda-ku, Tokyo 100-8330, Japan Signature print name sign here Rachel Lim capacity Company Secretary date 31/03/2025 Annexure A This is Annexure A referred to in Form 605, Notice of ceasing to be a substantial holder dated Rachel Lim Company Secretary SCHEDULE First Sentier Investors (Malta) Limited (Company Code C41267) First Sentier Investors (Malta) Holdings Limited (Company Code C41260) CFSIM Limited (Company No. 00153197) First Sentier Investors (Luxembourg) EDIF II GP S.Á.R.L (Company No. B204413) First Sentier Investors (Australia) Services Pty Limited (ACN 624 305 595) First Sentier Investors (Australia) IM Ltd (ACN 114 194 311) First Sentier Investors (Australia) Infrastructure Holdings Ltd (ACN 085 313 926) First Sentier Investors (Australia) Infrastructure Managers Pty Ltd (ACN 101 384 294) First Sentier Investors Strategic Investments Pty Limited (ACN 625 765 399) First Sentier Investors (Australia) RE Ltd (ACN 006 464 428) First Sentier Investors Asia Holdings Limited (ACN 054 571 701) First Sentier Investors RQI Pty Ltd (ACN 133 312 017) First Sentier Investors (Luxembourg) EDIF I Feeders MC S.A.R.L (Company No. B134314) First Sentier Infrastructure Managers (International) Limited (Company No. 298444) First Sentier Investors (UK) IM Limited (Company No. SC047708) First Sentier Investors (UK) Services Limited (Company No. 03904320) First Sentier Investors (Hong Kong) Limited (CR No. 11541926) First Sentier Investors (Ireland) Limited (Company No. 629188) First Sentier Investors (Japan) Limited (Company No. 0104-01-093090) First Sentier Investors (Singapore) (Company No. 196900420D) First Sentier Investors UK Holdings Limited (Company No. 03904310) First Sentier Investors (UK) Funds Limited (Company No. 02294743) First Sentier Investors (Luxembourg) Infrastructure (B) GP S.A.R.L (Company No. B262476) First Sentier Investors (Luxembourg) EDIF I MC S.A.R.L (Company No. B128117) First Sentier Investors (Singapore) Holdings Limited (Registration No. 199901706Z) First Sentier Investors International IM Limited (Company No. SC079063) First Sentier Investors (Hong Kong) Nominees Limited (CR NO. 11541934) FSIB LTD (Registration No. 26193) Mitsubishi UFJ Financial Group, Inc (Registration No. 0100-01-073486) Mitsubishi UFJ Trust and Banking Corporation (Registration No. 0100-01-008770) SI Holdings Limited (Company No. SC109439) First Sentier Investors (Hong Kong) AMC Limited (CR NO. 20492095) First Sentier Investors (Luxembourg) EDIF III GP S.A.R.L (Company No. B238701) First Sentier Investors EU Holdings Limited (Company No. 727873) AlbaCore Capital Group Limited (Company No. 727871) AlbaCore Capital Limited (Company No. 581750) AlbaCore Capital (UK) Limited (Company No. 10220978) AlbaCore Capital LLP (Company No. OC412196) FSSA Holdings Limited (Company No. UEN 202418662W) FSSA (Singapore) Limited (Company No. UEN 202421579R) 27/03/2025 Dated the 31/03/2025 Annexure B This is Annexure B referred to in Form 605, Notice of ceasing to be substantial holder dated Rachel Lim 27/03/2025 Company Secretary Dated the 31/03/2025 Consideration given Class and number of securities affected in relation to change Person's votes affected Date of change Person whose relevant interest Nature of change 27/03/2025 First Sentier Investors RQI Pty Ltd ACN 133 312 017 Sale 233,294.15 80,733 Fully Paid ordinary shares 80,733 27/03/2025 First Sentier Investors RQI Pty Ltd ACN 133 312 017 Sale 1,063,210.21 367,931 Fully Paid ordinary shares 367,931