BlackRock, Inc.

Major Shareholding Notification • Jan 12, 2026

National Storage Mechanism | Additional information

RNS Number : 5676O

BlackRock Group

12 January 2026

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:	BlackRock, Inc.
(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:
(e) Date position held/dealing undertaken:      For an opening position disclosure, state the latest practicable date prior to the disclosure	09 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:	Rio Tinto plc 10p ordinary / Rio Tinto plc ADR
	Interests		Short positions
Number	%	Number	%
(1) Relevant securities owned and/or controlled:	105,064,036	8.37%	0	0.00%
(2) Cash-settled derivatives:	78,811	0.00%	2,429,900	0.19%
(3) Stock-settled derivatives (including options) and agreements to purchase/sell:	0	0.00%	0	0.00%
TOTAL:	105,142,847	8.38%	2,429,900	0.19%

*BlackRock, Inc. does not have voting authority over 7,860,135 shares, however investment discretion is retained.

Class of relevant security:	Rio Tinto Limited ordinary
	Interests		Short positions
Number	%	Number	%
(1) Relevant securities owned and/or controlled:	26,480,966	7.13%	0	0.00%
(2) Cash-settled derivatives:	125,337	0.03%	242,649	0.06%
(3) Stock-settled derivatives (including options) and agreements to purchase/sell:	0	0.00%	0	0.00%
TOTAL:	26,606,303	7.16%	242,649	0.06%

*BlackRock, Inc. does not have voting authority over 3,638,479 shares, however investment discretion is retained.

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
Rio Tinto plc 10p ordinary	Purchase	16,700	GBP 60.0600
Rio Tinto plc 10p ordinary	Purchase	3,709	GBP 60.2690
Rio Tinto plc 10p ordinary	Purchase	4,577	GBP 60.5026
Rio Tinto plc ADR*	Purchase	9,831	USD 81.1300
Rio Tinto plc 10p ordinary	Sale	3,959	GBP 60.0600
Rio Tinto plc 10p ordinary	Sale	1,267	GBP 60.6403
Rio Tinto Limited ordinary	Purchase	17,348	AUD 143.0600
Rio Tinto Limited ordinary	Purchase	5,708	AUD 143.2018
Rio Tinto Limited ordinary	Sale	2,250	AUD 143.0600
Rio Tinto Limited ordinary	Sale	3,869	AUD 144.7576
Rio Tinto Limited ordinary	Sale	617	AUD 148.5400

*Please note each ADR converts to 1 Ordinary share

(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
Rio Tinto plc 10p ordinary	CFD	Increasing long	1,295	GBP 60.0600
Rio Tinto plc 10p ordinary	CFD	Reducing short	17,117	GBP 60.0600
Rio Tinto plc 10p ordinary	CFD	Increasing short	2,209	GBP 60.0600
Rio Tinto Limited ordinary	CFD	Increasing short	398	AUD 143.0600
Rio Tinto Limited ordinary	CFD	Increasing short	590	AUD 143.2158
Rio Tinto Limited ordinary	CFD	Increasing short	1,958	AUD 143.2316

(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)
Rio Tinto plc 10p ordinary	Transfer In of Shares	21,067
Rio Tinto plc ADR*	Transfer In of ADR's	13,266
Rio Tinto plc ADR*	Transfer In of ADR's	1,161,476
Rio Tinto plc 10p ordinary	Transfer In of Shares	497,843
Rio Tinto plc 10p ordinary	Transfer Out of Shares	183
Rio Tinto Limited ordinary	Transfer In of Shares	1,680
Rio Tinto Limited ordinary	Transfer In of Shares	2,100
Rio Tinto Limited ordinary	Transfer In of Shares	30,644

*Please note each ADR converts to 1 Ordinary share

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:	12 January 2026
###### Contact name:	Jana Blumenstein
###### Telephone number:	+44 20 7743 3650

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 +44 (0)20 7638 0129.

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

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