Form 8.3 - Rio Tinto plc and Rio Tinto Ltd Amend

JPMorgan Asset Management

02 February 2026

 

AMENDMENT

FORM 8.3

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY

A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR
 MORE

Rule 8.3 of the Takeover Code (the "Code")

1. KEY INFORMATION

(a) Full name of discloser:	JPMorgan Asset Management
(b) Owner or controller of interests and short  positions disclosed, if different from 1(a):      The naming of nominee or vehicle companies is  insufficient.  For a trust, the trustee(s), settlor and  beneficiaries must be named.	N/A
(c) Name of offeror/offeree in relation to whose  relevant securities this form relates:      Use a separate form for each offeror/offeree	Rio Tinto plc and Rio Tinto Limited
(d) If an exempt fund manager connected with an  offeror/offeree, state this and specify identity of  offeror/offeree:	Corporate Broker to Rio Tinto plc and Rio Tinto Limited
(e) Date position held/dealing undertaken:      For an opening position disclosure, state the latest  practicable date prior to the disclosure	29 January 2026
(f) In addition to the company in 1(c) above, is the  discloser making disclosures in respect of any  other party to the offer?      If it is a cash offer or possible cash offer, state "N/A"	Yes, Glencore plc

2. POSITIONS OF THE PERSON MAKING THE DISCLOSURE

If there are positions or rights to subscribe to disclose in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 2(a) or (b) (as appropriate) for each additional class of relevant security.

(a) Interests and short positions in the relevant securities of the offeror or offeree
 to which the disclosure relates following the dealing (if any)

Class of relevant security:	10p ordinary
	Interests		Short positions
	Number	%	Number	%
(1) Relevant securities owned and/or controlled:	18,599,248*	1.48*	0	0.00
(2) Cash-settled derivatives:	814,293	0.06	13,025	0.00
(3) Stock-settled derivatives (including options) and agreements to purchase/sell:
TOTAL:	19,413,541*	1.54*	13,025	0.00

*In addition to the dealings in section 2a, there is an increase in the holding of 6,090 common share and decrease in the holding of 1,125 common share due to a transfer. 

Class of relevant security:	ordinary
	Interests		Short positions
	Number	%	Number	%
(1) Relevant securities owned and/or controlled:	5,034,697*	1.36*	0	0.00
(2) Cash-settled derivatives:	0	0.00	515	0.00
(3) Stock-settled derivatives (including options) and agreements to purchase/sell:
TOTAL:	5,034,697*	1.36*	515	0.00

*In addition to the dealings in section 2a, there is decrease in the holding of 690 common share due to a transfer. 

All interests and all short positions should be disclosed.

Details of any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form 8 (Open Positions).

(b) Rights to subscribe for new securities (including directors' and other
 employee options)

Class of relevant security in relation to which subscription right exists:
Details, including nature of the rights concerned and relevant percentages:

3. DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE

Where there have been dealings in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as appropriate) for each additional class of relevant security dealt in.

The currency of all prices and other monetary amounts should be stated.

(a) Purchases and sales

Class of relevant security	Purchase/sale	Number of securities	Price per unit
10p ordinary	Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Purchase Sale Sale Sale	192 20 66 35 24 587 216 1,739 23,176 4,578 1,726 282 49 66 51 40 21 50 14 138,150 32 28 27 474 69 587 775 30,929 8,065 2,281 674 100 19 55 18 35 68 33 11 79 1,862 394,009 8,279 338 158 183 191 972 19,127 106,683 1,992 103 25 15 31 47 41 560 438 331 482 17,616 4,097 981 175 130 69 100 27 33 62 128 57 90 99 1,817 9,903 26,841 1,750 668 123 97 80 90 11 1,948 524 39 124	68.2350 GBP 68.3645 GBP 68.3646 GBP 68.3646 GBP 68.3646 GBP 68.3646 GBP 68.3646 GBP 68.3646 GBP 68.3647 GBP 68.3647 GBP 68.3647 GBP 68.3647 GBP 68.3647 GBP 68.3647 GBP 68.3647 GBP 68.3648 GBP 68.3648 GBP 68.3648 GBP 68.3650 GBP 68.4900 GBP 68.6203 GBP 68.6204 GBP 68.6204 GBP 68.6204 GBP 68.6204 GBP 68.6204 GBP 68.6205 GBP 68.6205 GBP 68.6205 GBP 68.6205 GBP 68.6205 GBP 68.6205 GBP 68.6205 GBP 68.6206 GBP 68.6206 GBP 68.6206 GBP 68.6206 GBP 68.6206 GBP 68.6209 GBP 68.9166 GBP 68.9166 GBP 68.9166 GBP 68.9166 GBP 68.9166 GBP 68.9347 GBP 68.9347 GBP 68.9347 GBP 68.9347 GBP 68.9347 GBP 68.9347 GBP 68.9348 GBP 68.9348 GBP 68.9348 GBP 69.0967 GBP 69.0968 GBP 69.0968 GBP 69.0968 GBP 69.0968 GBP 69.0969 GBP 69.0969 GBP 69.0969 GBP 69.0969 GBP 69.0969 GBP 69.0969 GBP 69.0969 GBP 69.0969 GBP 69.0970 GBP 69.0970 GBP 69.0970 GBP 69.0973 GBP 69.5187 GBP 69.5188 GBP 69.5188 GBP 69.5188 GBP 69.5188 GBP 69.5188 GBP 69.5188 GBP 69.5188 GBP 69.5188 GBP 69.5189 GBP 69.5189 GBP 69.5189 GBP 69.5189 GBP 69.5189 GBP 69.5191 GBP 69.5336 GBP 67.9550 GBP 67.9551 GBP 68.4900 GBP

Class of relevant security	Purchase/sale	Number of securities	Price per unit
Ordinary	Purchase Purchase Sale	134 63 650	154.0800 AUD 157.0400 AUD 154.0800 AUD

(b) Cash-settled derivative transactions

Class of relevant security	Product description e.g. CFD	Nature of dealing e.g. opening/closing a long/short position, increasing/reducing a long/short position	Number of reference securities	Price per unit
10p Ordinary	Equity Swap	Increasing a short position  Increasing a short position  Increasing a short position  Increasing a short position  Increasing a short position  Increasing a short position  Increasing a short position	41 130 285 548 740 173 381	70.0978 GBP 94.4822 USD 94.5082 USD 94.5550 USD 94.5550 USD 94.4823 USD 94.5082 USD

Class of relevant security	Product description e.g. CFD	Nature of dealing e.g. opening/closing a long/short position, increasing/reducing a long/short position	Number of reference securities	Price per unit
Ordinary	Equity Swap	-	-	-

 (c) Stock-settled derivative transactions (including options)

(i) Writing, selling, purchasing or varying

Class of relevant security	Product description e.g. call option	Writing, purchasing, selling, varying etc.	Number of securities to which option relates	Exercise price per unit	Type e.g. American, European etc.	Expiry date	Option money paid/ received per unit

(ii) Exercise

Class of relevant security	Product description e.g. call option	Exercising/ exercised against	Number of securities	Exercise price per unit

(d) Other dealings (including subscribing for new securities)

Class of relevant security	Nature of dealing e.g. subscription, conversion	Details	Price per unit (if applicable)

4. OTHER INFORMATION

(a) Indemnity and other dealing arrangements

Details of any indemnity or option arrangement, or any agreement or understanding, formal or informal, relating to relevant securities which may be an inducement to deal or refrain from dealing entered into by the person making the disclosure and any party to the offer or any person acting in concert with a party to the offer: Irrevocable commitments and letters of intent should not be included.  If there are no such agreements, arrangements or understandings, state "none"

none

(b) Agreements, arrangements or understandings relating to options or derivatives

Details of any agreement, arrangement or understanding, formal or informal, between the person making the disclosure and any other person relating to: (i) the voting rights of any relevant securities under any option; or (ii) the voting rights or future acquisition or disposal of any relevant securities to which any derivative is referenced: If there are no such agreements, arrangements or understandings, state "none"

none

(c) Attachments

Is a Supplemental Form 8 (Open Positions) attached?

No

Date of disclosure:	02 February 2026
Contact name:	Hetvi Shah
Telephone number*:	44 2034 936359

Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service.

The Panel's Market Surveillance Unit is available for consultation in relation to the Code's disclosure requirements on [phone].

*If the discloser is a natural person, a telephone number does not need to be included, provided contact information has been provided to the Panel's Market Surveillance Unit.

The Code can be viewed on the Panel's website at www.thetakeoverpanel.org.uk.

 

END