Announcement PDF Form 603 Corporations Act 2001 Section 671B Notice of initial substantial holder To Company Name/Scheme Westgold Resources Ltd ACN/ARSN 009 260 306 1. Details of substantial holder (1) Name First Sentier Group 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 became a substantial holder on 08/07/2025 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) 51,151,297 Fully Paid ordinary shares Voting power (6) 51,151,297 5.42% *Note these securities are comprised of 13,028,318 shares in which First Sentier Group Limited and its subsidiaries have voting power and 38,122,979 securities in which First Sentier Group Limited's ultimate parent, Mitsubishi UFJ Financial Group, Inc. on and from 8 July 2025, has informed it that it has voting power prior to the date of this notice. 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 First Sentier Investors RQI Pty Ltd ACN 133 312 017 Relevant interest under paragraph 608(1)(b) and/or 608(1)(c) of the Corporations Act 2001 (Cth), being a relevant interest arising from having the power to control the exercise of the right to vote attached to securities and/or to control the exercise of the power to dispose of securities in its capacity as investment manager, as provided for under its investment mandates. In addition, if any OTC derivatives, warrants or other securities (other than ordinary shares or ordinary units (as applicable)) are referred to below in this row, the relevant interest in respect of those securities arises under subsection 608(8) being an accelerated relevant interest held in the same capacity. 11,794,456 Fully Paid ordinary shares First Sentier Investors (Australia) IM Ltd ACN 114 194 311 Relevant interest under paragraph 608(1)(b) and/or 608(1)(c) of the Corporations Act 2001 (Cth), being a relevant interest arising from having the power to control the exercise of the right to vote attached to securities and/or to control the exercise of the power to dispose of securities in its capacity as investment manager, as provided for under its investment mandates. In addition, if any OTC derivatives, warrants or other securities (other than ordinary shares or ordinary units (as applicable)) are referred to below in this row, the relevant interest in respect of those securities arises under subsection 608(8) being an accelerated relevant interest held in the same capacity. Fully Paid ordinary shares(including 225539 borrowed from Citigroup Global Markets Limited (Agreement 5), see Annexure C), (including 257322 borrowed from Citigroup Global Markets 3,159,356 Limited (Agreement 13), see Annexure C), (including 751001 borrowed from Citigroup Global Markets Limited (Agreement 12), see Annexure C) Mitsubishi UFJ Financial Group Mitsubishi UFJ Financial Group Inc. (MUFG) owns 100% of First Sentier Group Limited (indirectly) and has informed First Sentier Group Limited that it has a relevant interest in the shares noted in this column. Accordingly, First Sentier Group Limited has a relevant interest or voting power in those shares pursuant to section 608(3) or section 12(2)(a) of the Corporations Act (as relevant). MUFG has not provided any further details of that relevant interest accordingly no transaction information is recorded in Appendix B or holder information is recorded in Section 4. Reference is made to any subsequent filing of MUFG which will reflect this interest. 38,122,979 Fully Paid ordinary shares 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 First Sentier Investors RQI Pty Ltd ACN 133 312 017 CITIGROUP GLOBAL MARKETS INC 1,925,494 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 Citibank N A Hong Kong 5,627,731 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 JP MORGAN CHASE 2,182,076 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 National Australian bank 663,814 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 Northern Trust Singapore 1,395,341 Fully Paid ordinary shares First Sentier Investors (Australia) IM Ltd ACN 114 194 311 CITIGROUP GLOBAL MARKETS INC 1,233,862 Fully Paid ordinary shares Mitsubishi UFJ Financial Group Mitsubishi UFJ Financial Group 38,122,979 Fully Paid ordinary shares 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 Class and number of securities Consideration (9) Cash Non-cash See annexure B to this notice 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 First Sentier Investors RQI Pty Ltd ACN 133 312 017 A wholly-owned subsidiary, and therefore related body corporate, of First Sentier Group Limited First Sentier Investors (Australia) IM Ltd A wholly-owned subsidiary, and therefore related body corporate, of First Sentier Group Limited ACN 114 194 311 Each company referred to is an associate of Mitsubishi UFJ Financial Group, Inc. under section 12 of the Corporations Act Mitsubishi UFJ Financial Group 7. Addresses The addresses of persons named in this form are as follows: Address Name 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 10/07/2025 Annexure A This is Annexure A referred to in Form 603, Notice of initial substantial holder dated Rachel Lim 08/07/2025 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) First Sentier Investors (Australia) ADIF Management Pty Ltd (Company No. 686 866 179) Dated the 10/07/2025 Annexure B This is Annexure B referred to in Form 603, Notice of initial substantial holder dated Rachel Lim Holder of relevant Interest 08/07/2025 Company Secretary Date of Acquisition Dated the Consideration Cash Consideration non-cash 10/07/2025 Class and number of securities affected First Sentier Investors RQI Pty Ltd ACN 133 312 017 26/03/2025 387,591.16 137,356 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 28/03/2025 110,300.51 37,747 Fully Paid ordinary shares Fully Paid ordinary shares (borrowed from Citigroup Global 793,247 Markets Limited (Agreement 14), see Annexure C) First Sentier Investors RQI Pty Ltd ACN 133 312 017 01/04/2025 N/A First Sentier Investors RQI Pty Ltd ACN 133 312 017 23/04/2025 711,363.61 234,109 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 30/04/2025 771,225.67 258,220 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 01/05/2025 2,278,804.90 801,493 Fully Paid ordinary shares First Sentier Investors (Australia) IM Ltd ACN 114 194 311 First Sentier Investors (Australia) IM Ltd ACN 114 194 311 First Sentier Investors (Australia) IM Ltd ACN 114 194 311 First Sentier Investors (Australia) IM Ltd ACN 114 194 311 First Sentier Investors (Australia) IM Ltd ACN 114 194 311 01/05/2025 01/05/2025 01/05/2025 02/05/2025 02/05/2025 N/A Fully Paid ordinary shares (borrowed from Citigroup Global 107,678 Markets Limited (Agreement 13), see Annexure C) N/A Fully Paid ordinary shares (borrowed from Citigroup Global 98,075 Markets Limited (Agreement 5), see Annexure C) N/A Fully Paid ordinary shares (borrowed from Citigroup Global 319,035 Markets Limited (Agreement 12), see Annexure C) N/A Fully Paid ordinary shares (borrowed from Citigroup Global 364,758 Markets Limited (Agreement 12), see Annexure C) N/A Fully Paid ordinary shares (borrowed from Citigroup Global 123,111 Markets Limited (Agreement 13), see Annexure C) Fully Paid ordinary shares (borrowed from Citigroup Global 112,131 Markets Limited (Agreement 5), see Annexure C) First Sentier Investors (Australia) IM Ltd ACN 114 194 311 02/05/2025 N/A First Sentier Investors RQI Pty Ltd ACN 133 312 017 07/05/2025 530,731.83 184,154 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 07/05/2025 818,029.50 283,969 Fully Paid ordinary shares First Sentier Investors (Australia) IM Ltd ACN 114 194 311 First Sentier Investors (Australia) IM Ltd ACN 114 194 311 12/05/2025 12/05/2025 N/A Fully Paid ordinary shares (borrowed from Citigroup Global 17,288 Markets Limited (Agreement 13), see Annexure C) N/A Fully Paid ordinary shares (borrowed from Citigroup Global 51,620 Markets Limited (Agreement 12), see Annexure C) Fully Paid ordinary shares (borrowed from Citigroup Global 15,739 Markets Limited (Agreement 5), see Annexure C) First Sentier Investors (Australia) IM Ltd ACN 114 194 311 12/05/2025 N/A First Sentier Investors RQI Pty Ltd ACN 133 312 017 15/05/2025 525,117.59 204,844 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 15/05/2025 791,098.66 308,601 Fully Paid ordinary shares First Sentier Investors (Australia) IM Ltd ACN 114 194 311 20/05/2025 N/A First Sentier Investors RQI Pty Ltd ACN 133 312 017 20/05/2025 1,103,199.46 First Sentier Investors (Australia) IM Ltd ACN 114 194 311 20/05/2025 Fully Paid ordinary shares (borrowed from Citigroup Global 16,736 Markets Limited (Agreement 13), see Annexure C) 428,860 Fully Paid ordinary shares N/A Fully Paid ordinary shares (borrowed from Citigroup Global 10,176 Markets Limited (Agreement 5), see Annexure C) Fully Paid ordinary shares (borrowed from Citigroup Global 49,526 Markets Limited (Agreement 12), see Annexure C) First Sentier Investors (Australia) IM Ltd ACN 114 194 311 20/05/2025 N/A First Sentier Investors RQI Pty Ltd ACN 133 312 017 21/05/2025 982,380.97 359,123 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 26/05/2025 188,091.02 63,555 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 26/05/2025 661,442.33 223,498 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 26/05/2025 87,240.48 29,541 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 26/05/2025 54,064.23 18,307 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 28/05/2025 192,835.45 64,595 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 03/06/2025 43,644.45 13,607 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 04/06/2025 18,941.00 6,110 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 04/06/2025 19,809.09 6,289 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 06/06/2025 359,687.60 116,032 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 10/06/2025 2,967,129.60 952,285 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 11/06/2025 608,920.00 200,000 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 12/06/2025 636,161.49 206,131 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 18/06/2025 168,526.89 56,245 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 24/06/2025 20,199.76 6,849 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 25/06/2025 197,140.84 67,551 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 25/06/2025 171,359.69 58,717 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 25/06/2025 349,539.69 119,771 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 03/07/2025 107,959.76 38,014 Fully Paid ordinary shares First Sentier Investors RQI Pty Ltd ACN 133 312 017 04/07/2025 44,531.08 15,648 Fully Paid ordinary shares Annexure C This is Annexure C referred to in Form 603, Notice of initial substantial holder dated Rachel Lim 08/07/2025 Company Secretary Dated the 10/07/2025 First Sentier Group Limited will, if requested by the company or responsible entity to whom this form must be given or by the Australian Securities and Investments Commission (ASIC), give a copy of one or more of the following agreements to the company, responsible entity or ASIC (as appropriate). Citigroup Global Markets Limited (Agreement 12) Type of agreement: Global Master Securities Lending Agreement Parties to agreement: (1) Citigroup Global Markets Limited; and (2) The Trust Company (RE Services) Limited Are there any restrictions on voting rights? No If yes, in what detail? N/A Date on which the securities were (or are) expected to be delivered to the borrower or its nominee (ie borrow date): The Dates indicated in Annexure B on which securities were borrowed. Scheduled date (if any) when the securities are expected to be returned to the lender or its nominee (ie return date) Any particular day. Does the borrower have the right to return the securities early? [Yes/No] Yes If yes, in which circumstances? At any time subject to giving notice. Does the lender have the right to recall the securities early (ie before the scheduled return date)? [Yes/No] Yes If yes, in which circumstances? At any time subject to giving notice. Are there circumstances in which the borrower will not be required to return the securities on settlement? [Yes/No] No If yes, in which circumstances? N/A Citigroup Global Markets Limited (Agreement 13) Type of agreement: Global Master Securities Lending Agreement Parties to agreement: (1) Citigroup Global Markets Limited; and (2) The Trust Company (RE Services) Limited Are there any restrictions on voting rights? No If yes, in what detail? N/A Date on which the securities were (or are) expected to be delivered to the borrower or its nominee (ie borrow date): The Dates indicated in Annexure B on which securities were borrowed. Scheduled date (if any) when the securities are expected to be returned to the lender or its nominee (ie return date) Any particular day. Does the borrower have the right to return the securities early? [Yes/No] Yes If yes, in which circumstances? At any time subject to giving notice. Does the lender have the right to recall the securities early (ie before the scheduled return date)? [Yes/No] Yes If yes, in which circumstances? At any time subject to giving notice. Are there circumstances in which the borrower will not be required to return the securities on settlement? [Yes/No] No If yes, in which circumstances? N/A Citigroup Global Markets Limited (Agreement 14) Type of agreement: Prime Brokerage Agreement (including Global Master Securities Lending Agreement) Parties to agreement: (1) Citigroup Global Markets Limited; and (2) The Trust Company (RE Services) Limited Are there any restrictions on voting rights? No If yes, in what detail? N/A Date on which the securities were (or are) expected to be delivered to the borrower or its nominee (ie borrow date): The Dates indicated in Annexure B on which securities were borrowed. Scheduled date (if any) when the securities are expected to be returned to the lender or its nominee (ie return date) Any particular day. Does the borrower have the right to return the securities early? [Yes/No] Yes If yes, in which circumstances? At any time subject to giving notice. Does the lender have the right to recall the securities early (ie before the scheduled return date)? [Yes/No] Yes If yes, in which circumstances? At any time subject to giving notice. Are there circumstances in which the borrower will not be required to return the securities on settlement? [Yes/No] No If yes, in which circumstances? N/A Citigroup Global Markets Limited (Agreement 5) Type of agreement: Global Master Securities Lending Agreement Parties to agreement: (1) Citigroup Global Markets Limited; and (2) The Trust Company (RE Services) Limited Are there any restrictions on voting rights? No If yes, in what detail? N/A Date on which the securities were (or are) expected to be delivered to the borrower or its nominee (ie borrow date): The Dates indicated in Annexure B on which securities were borrowed. Scheduled date (if any) when the securities are expected to be returned to the lender or its nominee (ie return date) Any particular day. Does the borrower have the right to return the securities early? [Yes/No] Yes If yes, in which circumstances? At any time subject to giving notice. Does the lender have the right to recall the securities early (ie before the scheduled return date)? [Yes/No] Yes If yes, in which circumstances? At any time subject to giving notice. Are there circumstances in which the borrower will not be required to return the securities on settlement? [Yes/No] No If yes, in which circumstances? N/A