REGIS RESOURCES LIMITED — Major Shareholding Notification 2026

May 13, 2026

Form 604
Corporations Act 2001
Section 671B
Notice of change of interests of substantial holder

To. Company Name/Scheme
Regis Resources Ltd
ACN/ARSN
009 174 761

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

There was a change in the interests of the substantial holder on
12/05/2026

The previous notice was given to the company on
13/05/2026

The previous notice was dated
08/05/2026

1. Previous and present 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 when last required, and when now required, to give a substantial holding notice to the company or scheme, are as follows:

Class of securities (4)	Previous notice		Present notice
	Person's votes	Voting power (5)	Person's votes	Voting power (5)
Fully Paid ordinary shares	55,888,834	7.38%	64,922,323	8.57%

*Note these securities are comprised of 18,848,107 shares in which First Sentier Group Limited and its subsidiaries have voting power and 46,074,216 securities in which First Sentier Group Limited's ultimate parent, Mitsubishi UFJ Financial Group, Inc. on and from 12 May 2026, has informed it that it has voting power prior to the date of this notice.

1. Changes in relevant interests

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:

Date of change	Person whose relevant interest changed	Nature of change (6)	Consideration given in relation to change (7)	Class and number of securities affected		Person's votes affected
	See annexure B to this notice

1. Present relevant interests

Particulars of each relevant interest of the substantial holder in voting securities after the change are as follows:

Holder of relevant interest	Registered holder of securities	Person entitled to be registered as holder (8)	Nature of relevant interest (6)	Class and number of securities	Person's votes
First Sentier Investors RQI Pty Ltd ACN 133 312 017	BNP Paribas Securities		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.	348,265 Fully Paid ordinary shares	348,265
First Sentier Investors RQI Pty Ltd ACN 133 312 017	CITIGROUP GLOBAL MARKETS INC		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.	944,359 Fully Paid ordinary shares	944,359

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First Sentier Investors RQI Pty Ltd ACN 133 312 017	Citibank N A Hong Kong		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.	6,996,814 Fully Paid ordinary shares	6,996,814
First Sentier Investors RQI Pty Ltd ACN 133 312 017	JP MORGAN CHASE		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.	879,667 Fully Paid ordinary shares	879,667
First Sentier Investors RQI Pty Ltd ACN 133 312 017	JP Morgan Chase Bank NA		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.	1,588,303 Fully Paid ordinary shares	1,588,303
First Sentier Investors RQI Pty Ltd ACN 133 312 017	Northern Trust Company		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.	1,162,047 Fully Paid ordinary shares	1,162,047
First Sentier Investors RQI Pty Ltd ACN 133 312 017	Northern Trust Singapore		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.	1,489,184 Fully Paid ordinary shares	1,489,184
First Sentier Investors RQI Pty Ltd ACN 133 312 017	State Street Global Services		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.	2,276,586 Fully Paid ordinary shares	2,276,586
First Sentier Investors (Australia) IM Ltd ACN 114 194 311	CITIGROUP GLOBAL MARKETS INC		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.	1,621,101 Fully Paid ordinary shares	1,621,101

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First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Citibank N A Hong Kong		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.	2,089,354 Fully Paid ordinary shares	2,089,354
First Sentier Investors (Australia) IM Ltd ACN 114 194 311	JP MORGAN CHASE		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.	525,200 Fully Paid ordinary shares	525,200
First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Northern Trust Company		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.	388,936 Fully Paid ordinary shares	388,936
First Sentier Investors (Australia) IM Ltd ACN 114 194 311	State Street Global Advisors (Australia) Limited		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.	361,264 Fully Paid ordinary shares	361,264
First Sentier Investors (Australia) IM Ltd ACN 114 194 311	State Street Global Services		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.	2,124,179 Fully Paid ordinary shares	2,124,179
Mitsubishi UFJ Financial Group	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.	46,074,216 Fully Paid ordinary shares	46,074,216

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5. Changes in association

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:

Name and ACN/ARSN (if applicable)	Nature of association

6. 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

Lisa Warburton

capacity

Company Secretary

sign here

date

14/05/2026

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Annexure A

This is annexure A referred to in Form 604, Notice of change of interest of substantial holder dated 12/05/2026

L. Wai

Liaw Warburton
Company Secretary
Dated the 14/05/2026

SCHEDULE

First Sentier Investors (Malta) Limited (Company Code C41267)
First Sentier Investors (Malta) Holdings Limited (Company Code C41260)
First Sentier Investors (Luxembourg) EDIF II GP S.A.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)
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)
Igneo (Luxembourg) EDIF IV GP S.à r.l (Company No. B302520)

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Annexure B

This is annexure B referred to in Form 604, Notice of change of interest of substantial holder dated 12/05/2026

L. Wai

Lisa Warburton
Company Secretary
Dated the 14/05/2026

Date of change	Person whose relevant interest changed	Nature of change	Consideration given in relation to change	Class and number of securities affected		Person's votes affected
11/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	5,176,644.29	767,365	Fully Paid ordinary shares	767,365
11/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	469,528.35	69,601	Fully Paid ordinary shares	69,601
11/05/2026	First Sentier Investors RQI Pty Ltd ACN 133 312 017	Sale	728,890.77	106,713	Fully Paid ordinary shares	106,719
11/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	1,921,247.31	284,798	Fully Paid ordinary shares	284,798
11/05/2026	First Sentier Investors RQI Pty Ltd ACN 133 312 017	Purchase	903,166.60	136,430	Fully Paid ordinary shares	136,430
11/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	405,238.97	60,071	Fully Paid ordinary shares	60,071
11/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	556,605.71	82,509	Fully Paid ordinary shares	82,509
11/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	2,210,603.49	327,691	Fully Paid ordinary shares	327,691
11/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	1,643,952.98	243,699	Fully Paid ordinary shares	243,693
11/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	1,507,164.34	223,416	Fully Paid ordinary shares	223,416
12/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	162,280.29	23,675	Fully Paid ordinary shares	23,675
12/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	28,137.72	4,105	Fully Paid ordinary shares	4,105
12/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	13,736.42	2,004	Fully Paid ordinary shares	2,004
12/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	59,174.90	8,633	Fully Paid ordinary shares	8,633
12/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	66,803.96	9,745	Fully Paid ordinary shares	9,746
12/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	78,936.42	11,516	Fully Paid ordinary shares	11,516
12/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	54,212.24	7,909	Fully Paid ordinary shares	7,909
12/05/2026	First Sentier Investors (Australia) IM Ltd ACN 114 194 311	Sale	16,402.82	2,393	Fully Paid ordinary shares	2,393