REG - Macquarie Group Ltd Rio Tinto - Form 8.3 - Rio Tinto plc

Rio TintoAnnouncement

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RNS Number : 7489O  Macquarie Group Ltd  13 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:                                                      Macquarie Group Limited
 (b) Owner or controller of interests and short positions disclosed, if           Macquarie Group Limited
 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.
 (c) Name of offeror/offeree in relation to whose relevant securities this form   Rio Tinto plc
 relates:

      Use a separate form for each offeror/offeree
 (d) If an exempt fund manager connected with an offeror/offeree, state this      N/A
 and specify identity of offeror/offeree:
 (e) Date position held/dealing undertaken:                                       12(th) January 2026

      For an opening position disclosure, state the latest practicable date
 prior to the disclosure
 (f)  In addition to the company in 1(c) above, is the discloser making           Yes, Rio Tinto Limited
 disclosures in respect of any other party to the offer?

      If it is a cash offer or possible cash offer, state "N/A"

 

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:                     759,084        0.06           0              0
 (2) Cash-settled derivatives:                                        0              0              552,754        0.04

 (3) Stock-settled derivatives (including options) and agreements to  0              0              0              0
 purchase/sell:
                                                                      759,084        0.06           552,754        0.04

      TOTAL:

 

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 ADR           Sell           122                   81.88 USD
 Rio Tinto plc ADR           Sell           200                   81.885 USD
 Rio Tinto plc ADR           Sell           10                    81.89 USD
 Rio Tinto plc ADR           Sell           456                   81.9 USD
 Rio Tinto plc ADR           Sell           480                   81.91 USD
 Rio Tinto plc ADR           Sell           539                   81.92 USD
 Rio Tinto plc ADR           Sell           244                   81.93 USD
 Rio Tinto plc ADR           Sell           772                   81.94 USD
 Rio Tinto plc ADR           Sell           732                   81.95 USD
 Rio Tinto plc ADR           Sell           135                   81.96 USD
 Rio Tinto plc ADR           Sell           366                   81.97 USD
 Rio Tinto plc ADR           Sell           761                   81.98 USD
 Rio Tinto plc ADR           Sell           26                    81.99 USD
 Rio Tinto plc ADR           Sell           1,076                 82 USD
 Rio Tinto plc ADR           Sell           244                   82.01 USD
 Rio Tinto plc ADR           Sell           425                   82.02 USD
 Rio Tinto plc ADR           Sell           732                   82.03 USD
 Rio Tinto plc ADR           Sell           952                   82.04 USD
 Rio Tinto plc ADR           Sell           366                   82.05 USD
 Rio Tinto plc ADR           Sell           122                   82.06 USD
 Rio Tinto plc ADR           Sell           290                   82.08 USD
 Rio Tinto plc ADR           Sell           122                   82.1 USD
 Rio Tinto plc ADR           Sell           250                   82.11 USD
 Rio Tinto plc ADR           Sell           387                   82.12 USD
 Rio Tinto plc ADR           Sell           122                   82.13 USD
 Rio Tinto plc ADR           Sell           123                   82.14 USD
 Rio Tinto plc ADR           Sell           2,078                 82.15 USD
 Rio Tinto plc ADR           Sell           121                   82.155 USD
 Rio Tinto plc ADR           Sell           790                   82.16 USD
 Rio Tinto plc ADR           Sell           494                   82.17 USD
 Rio Tinto plc ADR           Sell           924                   82.18 USD
 Rio Tinto plc ADR           Sell           52                    82.185 USD
 Rio Tinto plc ADR           Sell           531                   82.19 USD
 Rio Tinto plc ADR           Sell           127                   82.2 USD
 Rio Tinto plc ADR           Sell           463                   82.22 USD
 Rio Tinto plc ADR           Sell           321                   82.29 USD
 Rio Tinto plc ADR           Sell           363                   82.3 USD
 Rio Tinto plc ADR           Sell           242                   82.31 USD
 Rio Tinto plc ADR           Sell           242                   82.32 USD
 Rio Tinto plc ADR           Sell           121                   82.325 USD
 Rio Tinto plc ADR           Sell           221                   82.33 USD
 Rio Tinto plc ADR           Sell           471                   82.34 USD
 Rio Tinto plc ADR           Sell           100                   82.345 USD
 Rio Tinto plc ADR           Sell           1                     82.35 USD
 Rio Tinto plc ADR           Sell           363                   82.36 USD
 Rio Tinto plc ADR           Sell           75                    82.37 USD
 Rio Tinto plc ADR           Sell           200                   82.38 USD
 Rio Tinto plc ADR           Sell           12                    82.39 USD
 Rio Tinto plc ADR           Sell           121                   82.46 USD
 Rio Tinto plc ADR           Sell           100                   82.73 USD
 Rio Tinto plc ADR           Sell           100                   82.75 USD
 Rio Tinto plc ADR           Sell           100                   82.78 USD
 Rio Tinto plc ADR           Sell           100                   82.7805 USD
 Rio Tinto plc ADR           Sell           200                   82.79 USD
 Rio Tinto plc ADR           Sell           200                   82.8 USD
 Rio Tinto plc ADR           Sell           200                   82.805 USD
 Rio Tinto plc ADR           Sell           100                   82.815 USD
 Rio Tinto plc ADR           Sell           2                     82.8193 USD
 Rio Tinto plc ADR           Sell           100                   82.82 USD
 Rio Tinto plc ADR           Sell           100                   82.825 USD
 Rio Tinto plc ADR           Sell           200                   82.83 USD
 Rio Tinto plc ADR           Sell           100                   82.85 USD
 Rio Tinto plc ADR           Sell           100                   82.86 USD
 Rio Tinto plc ADR           Sell           11                    82.8704 USD
 Rio Tinto plc ADR           Sell           19                    82.8718 USD
 Rio Tinto plc ADR           Sell           14                    82.8807 USD
 Rio Tinto plc ADR           Sell           10                    82.8844 USD
 Rio Tinto plc ADR           Sell           10                    82.8867 USD
 Rio Tinto plc ADR           Sell           10                    82.887 USD
 Rio Tinto plc ADR           Sell           314                   82.89 USD
 Rio Tinto plc ADR           Sell           100                   82.895 USD
 Rio Tinto plc ADR           Sell           204                   82.9 USD
 Rio Tinto plc ADR           Sell           1                     82.9083 USD
 Rio Tinto plc ADR           Sell           500                   82.91 USD
 Rio Tinto plc ADR           Sell           300                   82.915 USD
 Rio Tinto plc ADR           Sell           128                   82.9187 USD
 Rio Tinto plc ADR           Sell           400                   82.92 USD
 Rio Tinto plc ADR           Sell           300                   82.925 USD
 Rio Tinto plc ADR           Sell           300                   82.93 USD
 Rio Tinto plc ADR           Sell           100                   82.935 USD
 Rio Tinto plc ADR           Sell           400                   82.94 USD
 Rio Tinto plc ADR           Sell           100                   82.941 USD
 Rio Tinto plc ADR           Sell           81                    82.9435 USD
 Rio Tinto plc ADR           Sell           100                   82.945 USD
 Rio Tinto plc ADR           Sell           200                   82.95 USD
 Rio Tinto plc ADR           Sell           400                   82.955 USD
 Rio Tinto plc ADR           Sell           500                   82.96 USD
 Rio Tinto plc ADR           Sell           300                   82.965 USD
 Rio Tinto plc ADR           Sell           200                   82.97 USD
 Rio Tinto plc ADR           Sell           100                   82.9705 USD
 Rio Tinto plc ADR           Sell           400                   82.975 USD
 Rio Tinto plc ADR           Sell           1                     82.9763 USD
 Rio Tinto plc ADR           Sell           840                   82.98 USD
 Rio Tinto plc ADR           Sell           60                    82.9815 USD
 Rio Tinto plc ADR           Sell           100                   82.983 USD
 Rio Tinto plc ADR           Sell           400                   82.985 USD
 Rio Tinto plc ADR           Sell           94                    82.9883 USD
 Rio Tinto plc ADR           Sell           1,600                 82.99 USD
 Rio Tinto plc ADR           Sell           100                   82.9905 USD
 Rio Tinto plc ADR           Sell           200                   82.991 USD
 Rio Tinto plc ADR           Sell           200                   82.995 USD
 Rio Tinto plc ADR           Sell           18                    82.9989 USD
 Rio Tinto plc ADR           Sell           1,490                 83 USD
 Rio Tinto plc ADR           Sell           100                   83.001 USD
 Rio Tinto plc ADR           Sell           60                    83.0015 USD
 Rio Tinto plc ADR           Sell           700                   83.005 USD
 Rio Tinto plc ADR           Sell           144                   83.0076 USD
 Rio Tinto plc ADR           Sell           1,211                 83.01 USD
 Rio Tinto plc ADR           Sell           100                   83.011 USD
 Rio Tinto plc ADR           Sell           50                    83.013 USD
 Rio Tinto plc ADR           Sell           300                   83.015 USD
 Rio Tinto plc ADR           Sell           73                    83.0158 USD
 Rio Tinto plc ADR           Sell           81                    83.0187 USD
 Rio Tinto plc ADR           Sell           900                   83.02 USD
 Rio Tinto plc ADR           Sell           200                   83.025 USD
 Rio Tinto plc ADR           Sell           700                   83.03 USD
 Rio Tinto plc ADR           Sell           52                    83.0315 USD
 Rio Tinto plc ADR           Sell           100                   83.033 USD
 Rio Tinto plc ADR           Sell           400                   83.035 USD
 Rio Tinto plc ADR           Sell           202                   83.0375 USD
 Rio Tinto plc ADR           Sell           500                   83.04 USD
 Rio Tinto plc ADR           Sell           400                   83.045 USD
 Rio Tinto plc ADR           Sell           58                    83.0453 USD
 Rio Tinto plc ADR           Sell           600                   83.05 USD
 Rio Tinto plc ADR           Sell           100                   83.055 USD
 Rio Tinto plc ADR           Sell           700                   83.06 USD
 Rio Tinto plc ADR           Sell           134                   83.0602 USD
 Rio Tinto plc ADR           Sell           300                   83.065 USD
 Rio Tinto plc ADR           Sell           800                   83.07 USD
 Rio Tinto plc ADR           Sell           100                   83.075 USD
 Rio Tinto plc ADR           Sell           400                   83.08 USD
 Rio Tinto plc ADR           Sell           100                   83.085 USD
 Rio Tinto plc ADR           Sell           800                   83.09 USD
 Rio Tinto plc ADR           Sell           600                   83.1 USD
 Rio Tinto plc ADR           Sell           100                   83.101 USD
 Rio Tinto plc ADR           Sell           100                   83.11 USD
 Rio Tinto plc ADR           Sell           200                   83.115 USD
 Rio Tinto plc ADR           Sell           840                   83.12 USD
 Rio Tinto plc ADR           Sell           60                    83.123 USD
 Rio Tinto plc ADR           Sell           500                   83.13 USD
 Rio Tinto plc ADR           Sell           200                   83.135 USD
 Rio Tinto plc ADR           Sell           300                   83.14 USD
 Rio Tinto plc ADR           Sell           100                   83.155 USD
 Rio Tinto plc 10p ordinary  Purchase       33,690                59.453 GBP
 Rio Tinto plc 10p ordinary  Purchase       121                   60.58 GBP
 Rio Tinto plc 10p ordinary  Purchase       244                   60.59 GBP
 Rio Tinto plc 10p ordinary  Purchase       309                   60.6 GBP
 Rio Tinto plc 10p ordinary  Purchase       577                   60.61 GBP
 Rio Tinto plc 10p ordinary  Purchase       539                   60.62 GBP
 Rio Tinto plc 10p ordinary  Purchase       214                   60.625 GBP
 Rio Tinto plc 10p ordinary  Purchase       467                   60.63 GBP
 Rio Tinto plc 10p ordinary  Purchase       244                   60.635 GBP
 Rio Tinto plc 10p ordinary  Purchase       919                   60.64 GBP
 Rio Tinto plc 10p ordinary  Purchase       92                    60.645 GBP
 Rio Tinto plc 10p ordinary  Purchase       123                   60.65 GBP
 Rio Tinto plc 10p ordinary  Purchase       734                   60.66 GBP
 Rio Tinto plc 10p ordinary  Purchase       231                   60.67 GBP
 Rio Tinto plc 10p ordinary  Purchase       11                    60.675 GBP
 Rio Tinto plc 10p ordinary  Purchase       1,181                 60.68 GBP
 Rio Tinto plc 10p ordinary  Purchase       162                   60.69 GBP
 Rio Tinto plc 10p ordinary  Purchase       786                   60.7 GBP
 Rio Tinto plc 10p ordinary  Purchase       353                   60.705 GBP
 Rio Tinto plc 10p ordinary  Purchase       843                   60.71 GBP
 Rio Tinto plc 10p ordinary  Purchase       122                   60.715 GBP
 Rio Tinto plc 10p ordinary  Purchase       651                   60.72 GBP
 Rio Tinto plc 10p ordinary  Purchase       542                   60.73 GBP
 Rio Tinto plc 10p ordinary  Purchase       2,091                 60.735 GBP
 Rio Tinto plc 10p ordinary  Purchase       954                   60.74 GBP
 Rio Tinto plc 10p ordinary  Purchase       121                   60.745 GBP
 Rio Tinto plc 10p ordinary  Purchase       391                   60.75 GBP
 Rio Tinto plc 10p ordinary  Purchase       526                   60.755 GBP
 Rio Tinto plc 10p ordinary  Purchase       978                   60.76 GBP
 Rio Tinto plc 10p ordinary  Purchase       323                   60.77 GBP
 Rio Tinto plc 10p ordinary  Purchase       442                   60.775 GBP
 Rio Tinto plc 10p ordinary  Purchase       100                   60.78 GBP
 Rio Tinto plc 10p ordinary  Purchase       122                   60.79 GBP
 Rio Tinto plc 10p ordinary  Purchase       100                   60.8 GBP
 Rio Tinto plc 10p ordinary  Purchase       77                    60.82 GBP
 Rio Tinto plc 10p ordinary  Purchase       321                   60.825 GBP
 Rio Tinto plc 10p ordinary  Purchase       286                   60.83 GBP
 Rio Tinto plc 10p ordinary  Purchase       150                   60.835 GBP
 Rio Tinto plc 10p ordinary  Purchase       476                   60.84 GBP
 Rio Tinto plc 10p ordinary  Purchase       514                   60.85 GBP
 Rio Tinto plc 10p ordinary  Purchase       98                    60.855 GBP
 Rio Tinto plc 10p ordinary  Purchase       181                   60.86 GBP
 Rio Tinto plc 10p ordinary  Purchase       121                   60.87 GBP
 Rio Tinto plc 10p ordinary  Purchase       100                   60.875 GBP
 Rio Tinto plc 10p ordinary  Purchase       308                   60.88 GBP
 Rio Tinto plc 10p ordinary  Purchase       121                   60.89 GBP
 Rio Tinto plc 10p ordinary  Purchase       121                   60.925 GBP
 Rio Tinto plc 10p ordinary  Sell           10,840                60.235767 GBP
 Rio Tinto plc 10p ordinary  Sell           23,200                60.391053 GBP

 

(b)        Cash-settled derivative transactions

 

 Class of relevant security  Product description  Nature of dealing                                                              Number of reference securities  Price per unit

                             e.g. CFD             e.g. opening/closing a long/short position, increasing/reducing a long/short
                                                  position
 Rio Tinto plc 10p ordinary  Equity Swap          Opening/Increasing Long Position                                               10,840                          60.23576716 GBP

 

(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                           Expiry date  Option money paid/ received per unit

                                                                                                                                                                                      e.g. American, European etc.

 

(ii)        Exercise

 

 Class of relevant security  Product description  Exercising/ exercised against  Number of securities  Exercise price per unit

                             e.g. call option

 

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

 

 Class of relevant security  Nature of dealing               Details  Price per unit (if applicable)

                             e.g. subscription, conversion

 

 

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"

 

(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"

 

(c)        Attachments

 

 Is a Supplemental Form 8 (Open Positions) attached?  NO

 

 

 Date of disclosure:  13(th) January 2026
 Contact name:        Stephanie Kannimmel
 Telephone number*:   +44 3037 2936

 

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.

 

*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
(http://www.thetakeoverpanel.org.uk) .

 

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