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REG - Barclays PLC Rio Tinto - Form 8.3 RIO TINTO PLC

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RNS Number : 9714Q  Barclays PLC  29 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:                                                        Barclays PLC.
 (b)                         Owner or controller of interest and short

 positions disclosed, if different from 1(a):
 (c)                         Name of offeror/offeree in relation to whose                                   RIO TINTO PLC AND RIO TINTO LIMITED

 relevant securities this form relates:
 (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:                                         28 Jan 2026
 (f)                         In addition to the company in 1(c) above, is the discloser making              YES:

 disclosures in respect of any other party to the offer?
 GLENCORE PLC
 2.                          POSITIONS OF THE PERSON MAKING THE DISCLOSURE
 (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
                                                                                                            Interests                 Short Positions
                             Number                  (%)                            Number                  (%)
 (1) Relevant securities owned and/or controlled:                                                           7,727,671    0.61%        8,782,573    0.70%
 (2) Cash-settled derivatives:                                                                              4,353,548    0.34%        3,473,709    0.28%
 (3) Stock-settled derivatives (including options) and agreements to                                        31,000       0.00%        1,316,428    0.10%
 purchase/sell:
                                                                                                            12,112,219   0.95%        13,572,710   1.08%

 TOTAL:

 

 Class of relevant security:                                                                                Rio Tinto Limited ordinary
                                                                                                            Interests                 Short Positions
                             Number                  (%)                            Number                  (%)
 (1) Relevant securities owned and/or controlled:                                                           860,225      0.23%        1,085,481    0.29%
 (2) Cash-settled derivatives:                                                                              1,058,202    0.28%        748,980      0.20%
 (3) Stock-settled derivatives (including options) and agreements to                                        0            0.00%        0            0.00%
 purchase/sell:
                                                                                                            1,918,427    0.52%        1,834,461    0.49%

 TOTAL:

 

 (b)                         Rights to subscribe for new securities (including directors and

 other executive 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
 (a)                         Purchase and sales
 Class of relevant           Purchase/sale           Number of                      Price per unit

 security
 securities
 Rio Tinto plc 10p ordinary  Purchase                268,428                        67.5100  GBP
 Rio Tinto plc 10p ordinary  Purchase                165,395                        67.1900  GBP
 Rio Tinto plc 10p ordinary  Purchase                101,216                        67.4054  GBP
 Rio Tinto plc 10p ordinary  Purchase                95,178                         67.4000  GBP
 ADR                         Purchase                85,012                         92.9402  USD
 Rio Tinto plc 10p ordinary  Purchase                78,697                         67.3803  GBP
 Rio Tinto plc 10p ordinary  Purchase                75,966                         67.4624  GBP
 Rio Tinto plc 10p ordinary  Purchase                56,813                         67.2900  GBP
 Rio Tinto plc 10p ordinary  Purchase                53,727                         67.4846  GBP
 ADR                         Purchase                26,179                         92.3920  USD
 Rio Tinto plc 10p ordinary  Purchase                24,611                         67.5079  GBP
 Rio Tinto plc 10p ordinary  Purchase                21,502                         67.2971  GBP
 Rio Tinto plc 10p ordinary  Purchase                19,830                         67.4050  GBP
 Rio Tinto plc 10p ordinary  Purchase                18,573                         67.2940  GBP
 Rio Tinto plc 10p ordinary  Purchase                18,553                         67.3652  GBP
 Rio Tinto plc 10p ordinary  Purchase                17,614                         67.4711  GBP
 ADR                         Purchase                16,664                         93.1380  USD
 ADR                         Purchase                16,178                         92.6380  USD
 Rio Tinto plc 10p ordinary  Purchase                14,387                         67.3875  GBP
 Rio Tinto plc 10p ordinary  Purchase                12,551                         67.3543  GBP
 Rio Tinto plc 10p ordinary  Purchase                12,299                         67.5091  GBP
 ADR                         Purchase                10,432                         93.0156  USD
 Rio Tinto plc 10p ordinary  Purchase                10,118                         67.3479  GBP
 Rio Tinto plc 10p ordinary  Purchase                9,504                          67.3673  GBP
 ADR                         Purchase                8,935                          93.1479  USD
 Rio Tinto plc 10p ordinary  Purchase                8,642                          67.3837  GBP
 Rio Tinto plc 10p ordinary  Purchase                8,445                          67.4234  GBP
 Rio Tinto plc 10p ordinary  Purchase                7,904                          67.5074  GBP
 ADR                         Purchase                7,644                          92.9720  USD
 Rio Tinto plc 10p ordinary  Purchase                7,623                          67.1100  GBP
 Rio Tinto plc 10p ordinary  Purchase                7,375                          67.3185  GBP
 Rio Tinto plc 10p ordinary  Purchase                6,858                          67.3471  GBP
 Rio Tinto plc 10p ordinary  Purchase                6,786                          67.5133  GBP
 Rio Tinto plc 10p ordinary  Purchase                6,774                          67.3695  GBP
 Rio Tinto plc 10p ordinary  Purchase                6,740                          67.1435  GBP
 Rio Tinto plc 10p ordinary  Purchase                6,501                          67.2865  GBP
 ADR                         Purchase                5,549                          93.3700  USD
 ADR                         Purchase                5,063                          93.0843  USD
 Rio Tinto plc 10p ordinary  Purchase                4,763                          67.3501  GBP
 ADR                         Purchase                4,481                          92.5390  USD
 Rio Tinto plc 10p ordinary  Purchase                4,221                          67.3696  GBP
 ADR                         Purchase                4,184                          93.3225  USD
 ADR                         Purchase                4,054                          92.9480  USD
 Rio Tinto plc 10p ordinary  Purchase                3,423                          67.4015  GBP
 Rio Tinto plc 10p ordinary  Purchase                3,337                          67.5052  GBP
 Rio Tinto plc 10p ordinary  Purchase                3,282                          67.6670  GBP
 Rio Tinto plc 10p ordinary  Purchase                3,124                          67.4023  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,975                          67.2848  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,538                          67.3499  GBP
 ADR                         Purchase                2,528                          92.9569  USD
 ADR                         Purchase                2,518                          92.8928  USD
 Rio Tinto plc 10p ordinary  Purchase                2,274                          67.3857  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,197                          67.3480  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,185                          77.5601  EUR
 Rio Tinto plc 10p ordinary  Purchase                2,184                          67.3148  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,146                          67.2808  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,105                          67.3781  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,989                          67.6140  GBP
 ADR                         Purchase                1,929                          93.3403  USD
 Rio Tinto plc 10p ordinary  Purchase                1,890                          67.5600  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,851                          67.2949  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,821                          67.2300  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,667                          67.5703  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,632                          67.3907  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,606                          67.1800  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,577                          67.5700  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,490                          67.3661  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,431                          67.2500  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,416                          67.5148  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,400                          67.3500  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,374                          67.1000  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,369                          67.4900  GBP
 ADR                         Purchase                1,369                          92.9182  USD
 Rio Tinto plc 10p ordinary  Purchase                1,320                          67.0900  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,279                          67.2400  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,241                          67.2000  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,241                          67.1400  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,210                          67.4800  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,194                          67.1300  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,193                          67.4500  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,186                          67.2800  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,175                          67.2200  GBP
 ADR                         Purchase                1,152                          92.7367  USD
 ADR                         Purchase                1,150                          93.1023  USD
 Rio Tinto plc 10p ordinary  Purchase                1,133                          67.6882  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,101                          67.3764  GBP
 ADR                         Purchase                998                            92.7571  USD
 Rio Tinto plc 10p ordinary  Purchase                992                            67.2100  GBP
 Rio Tinto plc 10p ordinary  Purchase                970                            67.3953  GBP
 ADR                         Purchase                952                            92.7098  USD
 Rio Tinto plc 10p ordinary  Purchase                923                            67.5200  GBP
 ADR                         Purchase                914                            92.9911  USD
 Rio Tinto plc 10p ordinary  Purchase                900                            67.5300  GBP
 Rio Tinto plc 10p ordinary  Purchase                898                            67.3761  GBP
 Rio Tinto plc 10p ordinary  Purchase                890                            67.5000  GBP
 ADR                         Purchase                850                            92.7288  USD
 Rio Tinto plc 10p ordinary  Purchase                850                            67.4600  GBP
 Rio Tinto plc 10p ordinary  Purchase                848                            67.1700  GBP
 Rio Tinto plc 10p ordinary  Purchase                830                            67.0950  GBP
 Rio Tinto plc 10p ordinary  Purchase                823                            67.5500  GBP
 Rio Tinto plc 10p ordinary  Purchase                816                            67.3300  GBP
 Rio Tinto plc 10p ordinary  Purchase                807                            67.4400  GBP
 Rio Tinto plc 10p ordinary  Purchase                798                            77.7509  EUR
 Rio Tinto plc 10p ordinary  Purchase                768                            67.1200  GBP
 Rio Tinto plc 10p ordinary  Purchase                750                            67.4200  GBP
 Rio Tinto plc 10p ordinary  Purchase                744                            67.6470  GBP
 Rio Tinto plc 10p ordinary  Purchase                740                            67.0800  GBP
 Rio Tinto plc 10p ordinary  Purchase                697                            67.5550  GBP
 ADR                         Purchase                689                            92.7945  USD
 Rio Tinto plc 10p ordinary  Purchase                683                            67.5262  GBP
 Rio Tinto plc 10p ordinary  Purchase                679                            67.4659  GBP
 Rio Tinto plc 10p ordinary  Purchase                678                            67.1750  GBP
 Rio Tinto plc 10p ordinary  Purchase                665                            67.2600  GBP
 Rio Tinto plc 10p ordinary  Purchase                664                            67.3200  GBP
 Rio Tinto plc 10p ordinary  Purchase                655                            67.5108  GBP
 Rio Tinto plc 10p ordinary  Purchase                653                            67.4321  GBP
 Rio Tinto plc 10p ordinary  Purchase                623                            67.6700  GBP
 ADR                         Purchase                622                            93.3000  USD
 Rio Tinto plc 10p ordinary  Purchase                620                            67.3584  GBP
 Rio Tinto plc 10p ordinary  Purchase                609                            67.6412  GBP
 ADR                         Purchase                606                            92.8435  USD
 ADR                         Purchase                600                            92.5958  USD
 Rio Tinto plc 10p ordinary  Purchase                589                            67.4700  GBP
 Rio Tinto plc 10p ordinary  Purchase                582                            67.2700  GBP
 Rio Tinto plc 10p ordinary  Purchase                564                            67.6000  GBP
 Rio Tinto plc 10p ordinary  Purchase                561                            67.5400  GBP
 Rio Tinto plc 10p ordinary  Purchase                558                            67.5800  GBP
 Rio Tinto plc 10p ordinary  Purchase                544                            67.3859  GBP
 ADR                         Purchase                510                            93.0050  USD
 ADR                         Purchase                488                            92.9861  USD
 Rio Tinto plc 10p ordinary  Purchase                469                            67.6737  GBP
 Rio Tinto plc 10p ordinary  Purchase                467                            67.6735  GBP
 Rio Tinto plc 10p ordinary  Purchase                446                            67.4300  GBP
 Rio Tinto plc 10p ordinary  Purchase                409                            67.6200  GBP
 Rio Tinto plc 10p ordinary  Purchase                402                            67.6400  GBP
 Rio Tinto plc 10p ordinary  Purchase                393                            67.6058  GBP
 Rio Tinto plc 10p ordinary  Purchase                376                            67.1150  GBP
 Rio Tinto plc 10p ordinary  Purchase                374                            67.3700  GBP
 Rio Tinto plc 10p ordinary  Purchase                369                            67.3600  GBP
 ADR                         Purchase                362                            93.3311  USD
 ADR                         Purchase                360                            93.3629  USD
 Rio Tinto plc 10p ordinary  Purchase                353                            67.3400  GBP
 Rio Tinto plc 10p ordinary  Purchase                353                            67.1500  GBP
 ADR                         Purchase                350                            92.4571  USD
 Rio Tinto plc 10p ordinary  Purchase                342                            67.1050  GBP
 Rio Tinto plc 10p ordinary  Purchase                342                            67.3000  GBP
 Rio Tinto plc 10p ordinary  Purchase                315                            67.5499  GBP
 Rio Tinto plc 10p ordinary  Purchase                311                            67.6500  GBP
 ADR                         Purchase                300                            92.9466  USD
 Rio Tinto plc 10p ordinary  Purchase                297                            67.6100  GBP
 ADR                         Purchase                292                            93.3683  USD
 Rio Tinto plc 10p ordinary  Purchase                291                            67.5900  GBP
 Rio Tinto plc 10p ordinary  Purchase                283                            67.4100  GBP
 Rio Tinto plc 10p ordinary  Purchase                281                            67.5093  GBP
 Rio Tinto plc 10p ordinary  Purchase                276                            67.5250  GBP
 Rio Tinto plc 10p ordinary  Purchase                261                            67.3900  GBP
 Rio Tinto plc 10p ordinary  Purchase                252                            67.6800  GBP
 Rio Tinto plc 10p ordinary  Purchase                242                            67.2450  GBP
 Rio Tinto plc 10p ordinary  Purchase                238                            67.7600  GBP
 Rio Tinto plc 10p ordinary  Purchase                232                            67.7200  GBP
 Rio Tinto plc 10p ordinary  Purchase                230                            67.2050  GBP
 Rio Tinto plc 10p ordinary  Purchase                224                            67.3250  GBP
 Rio Tinto plc 10p ordinary  Purchase                220                            67.5150  GBP
 Rio Tinto plc 10p ordinary  Purchase                213                            77.7706  EUR
 Rio Tinto plc 10p ordinary  Purchase                211                            67.0700  GBP
 Rio Tinto plc 10p ordinary  Purchase                210                            67.5450  GBP
 Rio Tinto plc 10p ordinary  Purchase                203                            67.0600  GBP
 Rio Tinto plc 10p ordinary  Purchase                202                            67.0850  GBP
 ADR                         Purchase                200                            93.2600  USD
 Rio Tinto plc 10p ordinary  Purchase                189                            67.5595  GBP
 Rio Tinto plc 10p ordinary  Purchase                189                            67.3100  GBP
 Rio Tinto plc 10p ordinary  Purchase                186                            67.6730  GBP
 Rio Tinto plc 10p ordinary  Purchase                186                            67.5930  GBP
 Rio Tinto plc 10p ordinary  Purchase                181                            67.3800  GBP
 Rio Tinto plc 10p ordinary  Purchase                181                            67.5955  GBP
 Rio Tinto plc 10p ordinary  Purchase                181                            67.0400  GBP
 ADR                         Purchase                181                            93.3790  USD
 Rio Tinto plc 10p ordinary  Purchase                178                            67.1600  GBP
 Rio Tinto plc 10p ordinary  Purchase                171                            67.7000  GBP
 Rio Tinto plc 10p ordinary  Purchase                170                            67.2850  GBP
 Rio Tinto plc 10p ordinary  Purchase                159                            67.3950  GBP
 Rio Tinto plc 10p ordinary  Purchase                158                            67.5050  GBP
 Rio Tinto plc 10p ordinary  Purchase                157                            67.3131  GBP
 Rio Tinto plc 10p ordinary  Purchase                156                            67.0300  GBP
 Rio Tinto plc 10p ordinary  Purchase                151                            67.5589  GBP
 Rio Tinto plc 10p ordinary  Purchase                148                            67.3550  GBP
 Rio Tinto plc 10p ordinary  Purchase                147                            67.3233  GBP
 Rio Tinto plc 10p ordinary  Purchase                143                            67.4350  GBP
 Rio Tinto plc 10p ordinary  Purchase                142                            67.1450  GBP
 Rio Tinto plc 10p ordinary  Purchase                136                            67.5239  GBP
 Rio Tinto plc 10p ordinary  Purchase                135                            67.4750  GBP
 Rio Tinto plc 10p ordinary  Purchase                128                            67.4662  GBP
 Rio Tinto plc 10p ordinary  Purchase                125                            67.6300  GBP
 ADR                         Purchase                117                            93.3406  USD
 ADR                         Purchase                113                            93.3509  USD
 Rio Tinto plc 10p ordinary  Purchase                111                            67.6900  GBP
 Rio Tinto plc 10p ordinary  Purchase                107                            66.9950  GBP
 Rio Tinto plc 10p ordinary  Purchase                107                            67.4250  GBP
 Rio Tinto plc 10p ordinary  Purchase                101                            67.6150  GBP
 ADR                         Purchase                100                            92.6300  USD
 ADR                         Purchase                100                            93.2800  USD
 Rio Tinto plc 10p ordinary  Purchase                97                             67.4964  GBP
 Rio Tinto plc 10p ordinary  Purchase                96                             67.2950  GBP
 Rio Tinto plc 10p ordinary  Purchase                94                             67.6600  GBP
 Rio Tinto plc 10p ordinary  Purchase                93                             67.3706  GBP
 Rio Tinto plc 10p ordinary  Purchase                93                             67.0450  GBP
 Rio Tinto plc 10p ordinary  Purchase                92                             67.0000  GBP
 Rio Tinto plc 10p ordinary  Purchase                90                             67.2250  GBP
 Rio Tinto plc 10p ordinary  Purchase                89                             67.4850  GBP
 Rio Tinto plc 10p ordinary  Purchase                87                             77.4782  EUR
 Rio Tinto plc 10p ordinary  Purchase                85                             67.5750  GBP
 Rio Tinto plc 10p ordinary  Purchase                79                             67.7400  GBP
 Rio Tinto plc 10p ordinary  Purchase                79                             67.4150  GBP
 Rio Tinto plc 10p ordinary  Purchase                77                             67.7700  GBP
 Rio Tinto plc 10p ordinary  Purchase                77                             67.0100  GBP
 Rio Tinto plc 10p ordinary  Purchase                77                             67.0500  GBP
 Rio Tinto plc 10p ordinary  Purchase                77                             67.1850  GBP
 Rio Tinto plc 10p ordinary  Purchase                77                             67.1650  GBP
 Rio Tinto plc 10p ordinary  Purchase                76                             67.5650  GBP
 Rio Tinto plc 10p ordinary  Purchase                72                             67.2650  GBP
 Rio Tinto plc 10p ordinary  Purchase                71                             67.0350  GBP
 Rio Tinto plc 10p ordinary  Purchase                69                             67.2150  GBP
 Rio Tinto plc 10p ordinary  Purchase                68                             67.2550  GBP
 Rio Tinto plc 10p ordinary  Purchase                64                             67.4032  GBP
 Rio Tinto plc 10p ordinary  Purchase                58                             67.3705  GBP
 Rio Tinto plc 10p ordinary  Purchase                55                             67.5950  GBP
 Rio Tinto plc 10p ordinary  Purchase                52                             67.0650  GBP
 Rio Tinto plc 10p ordinary  Purchase                52                             67.4450  GBP
 Rio Tinto plc 10p ordinary  Purchase                51                             67.7500  GBP
 ADR                         Purchase                50                             92.4632  USD
 Rio Tinto plc 10p ordinary  Purchase                49                             67.3150  GBP
 Rio Tinto plc 10p ordinary  Purchase                47                             67.7100  GBP
 Rio Tinto plc 10p ordinary  Purchase                43                             67.0684  GBP
 Rio Tinto plc 10p ordinary  Purchase                40                             67.1350  GBP
 Rio Tinto plc 10p ordinary  Purchase                37                             67.4550  GBP
 ADR                         Purchase                36                             93.3366  USD
 Rio Tinto plc 10p ordinary  Purchase                36                             67.3350  GBP
 Rio Tinto plc 10p ordinary  Purchase                35                             67.6250  GBP
 Rio Tinto plc 10p ordinary  Purchase                34                             67.3050  GBP
 ADR                         Purchase                33                             93.1396  USD
 ADR                         Purchase                33                             92.4700  USD
 Rio Tinto plc 10p ordinary  Purchase                32                             67.1550  GBP
 ADR                         Purchase                29                             93.2018  USD
 ADR                         Purchase                29                             93.1113  USD
 ADR                         Purchase                28                             93.3114  USD
 ADR                         Purchase                28                             93.3022  USD
 ADR                         Purchase                27                             93.3387  USD
 Rio Tinto plc 10p ordinary  Purchase                27                             67.3850  GBP
 Rio Tinto plc 10p ordinary  Purchase                26                             67.2750  GBP
 Rio Tinto plc 10p ordinary  Purchase                25                             67.1950  GBP
 ADR                         Purchase                25                             93.3184  USD
 Rio Tinto plc 10p ordinary  Purchase                24                             67.0550  GBP
 ADR                         Purchase                24                             93.3381  USD
 ADR                         Purchase                21                             93.2977  USD
 ADR                         Purchase                20                             93.3237  USD
 ADR                         Purchase                20                             93.3189  USD
 ADR                         Purchase                20                             93.3300  USD
 ADR                         Purchase                20                             93.1350  USD
 ADR                         Purchase                20                             93.2405  USD
 Rio Tinto plc 10p ordinary  Purchase                18                             67.3650  GBP
 Rio Tinto plc 10p ordinary  Purchase                18                             67.0250  GBP
 Rio Tinto plc 10p ordinary  Purchase                18                             67.3750  GBP
 ADR                         Purchase                17                             92.4500  USD
 Rio Tinto plc 10p ordinary  Purchase                16                             67.4950  GBP
 Rio Tinto plc 10p ordinary  Purchase                15                             67.5850  GBP
 ADR                         Purchase                13                             93.0169  USD
 ADR                         Purchase                8                              93.0000  USD
 Rio Tinto plc 10p ordinary  Purchase                8                              67.3162  GBP
 ADR                         Purchase                6                              93.1500  USD
 ADR                         Purchase                5                              92.4000  USD
 ADR                         Purchase                4                              92.6091  USD
 Rio Tinto Limited ordinary  Purchase                69,747                         152.9946  AUD
 Rio Tinto Limited ordinary  Purchase                7,559                          153.0772  AUD
 Rio Tinto Limited ordinary  Purchase                1,293                          153.8149  AUD
 Rio Tinto Limited ordinary  Purchase                1,044                          152.9352  AUD
 Rio Tinto Limited ordinary  Purchase                273                            152.5948  AUD
 Rio Tinto Limited ordinary  Purchase                186                            153.1330  AUD
 Rio Tinto Limited ordinary  Purchase                162                            154.8200  AUD
 Rio Tinto Limited ordinary  Purchase                140                            153.1303  AUD
 Rio Tinto Limited ordinary  Purchase                92                             152.5625  AUD
 Rio Tinto Limited ordinary  Purchase                37                             152.5302  AUD
 Rio Tinto Limited ordinary  Purchase                35                             152.7531  AUD
 Rio Tinto Limited ordinary  Purchase                25                             152.9826  AUD
 Rio Tinto Limited ordinary  Sale                    78,043                         152.9798  AUD
 Rio Tinto Limited ordinary  Sale                    1,470                          152.9063  AUD
 Rio Tinto Limited ordinary  Sale                    1,293                          153.8150  AUD
 Rio Tinto Limited ordinary  Sale                    621                            152.9957  AUD
 Rio Tinto Limited ordinary  Sale                    584                            152.9082  AUD
 Rio Tinto Limited ordinary  Sale                    377                            152.9060  AUD
 Rio Tinto Limited ordinary  Sale                    164                            152.5959  AUD
 Rio Tinto Limited ordinary  Sale                    162                            154.8200  AUD
 Rio Tinto Limited ordinary  Sale                    137                            153.2097  AUD
 Rio Tinto Limited ordinary  Sale                    104                            153.0878  AUD
 Rio Tinto Limited ordinary  Sale                    88                             153.2561  AUD
 Rio Tinto Limited ordinary  Sale                    56                             153.1957  AUD
 Rio Tinto Limited ordinary  Sale                    56                             153.0721  AUD
 Rio Tinto Limited ordinary  Sale                    43                             153.1665  AUD
 Rio Tinto Limited ordinary  Sale                    20                             153.0400  AUD
 Rio Tinto Limited ordinary  Sale                    8                              153.3062  AUD
 Rio Tinto plc 10p ordinary  Sale                    243,111                        67.3557  GBP
 Rio Tinto plc 10p ordinary  Sale                    238,872                        67.5100  GBP
 Rio Tinto plc 10p ordinary  Sale                    186,900                        67.4385  GBP
 Rio Tinto plc 10p ordinary  Sale                    139,534                        67.4395  GBP
 Rio Tinto plc 10p ordinary  Sale                    95,178                         67.4000  GBP
 Rio Tinto plc 10p ordinary  Sale                    75,000                         67.3638  GBP
 Rio Tinto plc 10p ordinary  Sale                    49,556                         67.3697  GBP
 ADR                         Sale                    38,437                         92.9254  USD
 Rio Tinto plc 10p ordinary  Sale                    32,211                         67.3104  GBP
 ADR                         Sale                    29,877                         92.7652  USD
 Rio Tinto plc 10p ordinary  Sale                    26,915                         67.4156  GBP
 Rio Tinto plc 10p ordinary  Sale                    26,749                         67.4018  GBP
 Rio Tinto plc 10p ordinary  Sale                    26,115                         67.3696  GBP
 ADR                         Sale                    22,469                         92.3949  USD
 Rio Tinto plc 10p ordinary  Sale                    21,405                         67.3840  GBP
 Rio Tinto plc 10p ordinary  Sale                    20,285                         67.5097  GBP
 Rio Tinto plc 10p ordinary  Sale                    17,934                         67.3292  GBP
 ADR                         Sale                    17,438                         93.0420  USD
 Rio Tinto plc 10p ordinary  Sale                    16,206                         67.4453  GBP
 Rio Tinto plc 10p ordinary  Sale                    16,166                         67.5091  GBP
 Rio Tinto plc 10p ordinary  Sale                    15,772                         67.3135  GBP
 ADR                         Sale                    15,251                         92.9970  USD
 ADR                         Sale                    13,622                         93.1201  USD
 Rio Tinto plc 10p ordinary  Sale                    13,492                         67.3924  GBP
 Rio Tinto plc 10p ordinary  Sale                    13,023                         67.6973  GBP
 Rio Tinto plc 10p ordinary  Sale                    11,135                         67.5046  GBP
 ADR                         Sale                    10,320                         92.8817  USD
 Rio Tinto plc 10p ordinary  Sale                    10,217                         67.2197  GBP
 ADR                         Sale                    9,487                          93.0194  USD
 Rio Tinto plc 10p ordinary  Sale                    9,307                          67.2925  GBP
 Rio Tinto plc 10p ordinary  Sale                    9,074                          67.5049  GBP
 ADR                         Sale                    8,908                          93.0160  USD
 Rio Tinto plc 10p ordinary  Sale                    8,569                          67.2910  GBP
 ADR                         Sale                    8,467                          92.9995  USD
 Rio Tinto plc 10p ordinary  Sale                    8,099                          67.5200  GBP
 Rio Tinto plc 10p ordinary  Sale                    7,680                          67.5090  GBP
 Rio Tinto plc 10p ordinary  Sale                    7,527                          67.2461  GBP
 Rio Tinto plc 10p ordinary  Sale                    7,171                          67.2457  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,740                          67.1435  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,734                          67.5107  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,442                          67.4045  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,060                          67.5057  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,034                          67.2730  GBP
 Rio Tinto plc 10p ordinary  Sale                    5,080                          67.2433  GBP
 Rio Tinto plc 10p ordinary  Sale                    4,971                          67.4942  GBP
 Rio Tinto plc 10p ordinary  Sale                    4,923                          67.3174  GBP
 Rio Tinto plc 10p ordinary  Sale                    4,608                          67.2743  GBP
 ADR                         Sale                    4,549                          93.3700  USD
 ADR                         Sale                    4,243                          93.1620  USD
 ADR                         Sale                    3,870                          92.7510  USD
 Rio Tinto plc 10p ordinary  Sale                    3,849                          67.2564  GBP
 ADR                         Sale                    3,710                          92.3747  USD
 ADR                         Sale                    3,646                          93.0284  USD
 Rio Tinto plc 10p ordinary  Sale                    3,441                          67.3887  GBP
 Rio Tinto plc 10p ordinary  Sale                    3,018                          67.2334  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,791                          67.2497  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,767                          67.2529  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,765                          67.3535  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,735                          67.3062  GBP
 ADR                         Sale                    2,574                          92.9234  USD
 ADR                         Sale                    2,517                          92.7604  USD
 Rio Tinto plc 10p ordinary  Sale                    2,469                          77.5450  EUR
 Rio Tinto plc 10p ordinary  Sale                    2,367                          67.5341  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,134                          67.2426  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,102                          67.2548  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,035                          67.2700  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,970                          67.1744  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,848                          67.3882  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,821                          67.2300  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,754                          67.5675  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,602                          67.5600  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,577                          67.5700  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,504                          67.5000  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,497                          67.4800  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,453                          67.6266  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,402                          67.1900  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,401                          67.2400  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,400                          67.1758  GBP
 ADR                         Sale                    1,390                          93.0851  USD
 Rio Tinto plc 10p ordinary  Sale                    1,382                          67.2900  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,374                          67.1000  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,369                          67.4900  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,320                          67.0900  GBP
 ADR                         Sale                    1,309                          92.8417  USD
 ADR                         Sale                    1,288                          93.0884  USD
 Rio Tinto plc 10p ordinary  Sale                    1,279                          67.2500  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,251                          67.2000  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,247                          67.3287  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,237                          67.4567  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,236                          67.5186  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,203                          67.2825  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,194                          67.1300  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,193                          67.4500  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,186                          67.2800  GBP
 ADR                         Sale                    1,181                          93.0525  USD
 Rio Tinto plc 10p ordinary  Sale                    1,150                          67.2200  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,106                          67.6700  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,091                          67.1400  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,074                          67.1984  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,046                          67.3200  GBP
 Rio Tinto plc 10p ordinary  Sale                    992                            67.2100  GBP
 Rio Tinto plc 10p ordinary  Sale                    960                            67.5066  GBP
 ADR                         Sale                    945                            92.9780  USD
 ADR                         Sale                    945                            93.2064  USD
 Rio Tinto plc 10p ordinary  Sale                    919                            67.5119  GBP
 Rio Tinto plc 10p ordinary  Sale                    900                            67.5300  GBP
 ADR                         Sale                    886                            93.3314  USD
 Rio Tinto plc 10p ordinary  Sale                    883                            67.1100  GBP
 Rio Tinto plc 10p ordinary  Sale                    850                            67.5500  GBP
 Rio Tinto plc 10p ordinary  Sale                    850                            67.4600  GBP
 ADR                         Sale                    841                            92.8845  USD
 Rio Tinto plc 10p ordinary  Sale                    816                            67.3300  GBP
 Rio Tinto plc 10p ordinary  Sale                    807                            67.4400  GBP
 Rio Tinto plc 10p ordinary  Sale                    804                            67.1800  GBP
 ADR                         Sale                    803                            93.2292  USD
 ADR                         Sale                    802                            92.6488  USD
 ADR                         Sale                    801                            93.3637  USD
 Rio Tinto plc 10p ordinary  Sale                    800                            67.2416  GBP
 Rio Tinto plc 10p ordinary  Sale                    794                            67.3999  GBP
 Rio Tinto plc 10p ordinary  Sale                    768                            67.1200  GBP
 Rio Tinto plc 10p ordinary  Sale                    759                            77.5197  EUR
 Rio Tinto plc 10p ordinary  Sale                    753                            67.4308  GBP
 Rio Tinto plc 10p ordinary  Sale                    750                            67.4200  GBP
 Rio Tinto plc 10p ordinary  Sale                    744                            67.1700  GBP
 Rio Tinto plc 10p ordinary  Sale                    740                            67.0800  GBP
 Rio Tinto plc 10p ordinary  Sale                    735                            67.3032  GBP
 Rio Tinto plc 10p ordinary  Sale                    697                            67.5550  GBP
 ADR                         Sale                    690                            93.3485  USD
 Rio Tinto plc 10p ordinary  Sale                    678                            67.1750  GBP
 Rio Tinto plc 10p ordinary  Sale                    665                            67.2600  GBP
 Rio Tinto plc 10p ordinary  Sale                    661                            67.2129  GBP
 Rio Tinto plc 10p ordinary  Sale                    624                            67.5062  GBP
 ADR                         Sale                    622                            93.3000  USD
 ADR                         Sale                    615                            93.3471  USD
 Rio Tinto plc 10p ordinary  Sale                    605                            67.5050  GBP
 Rio Tinto plc 10p ordinary  Sale                    589                            67.4700  GBP
 Rio Tinto plc 10p ordinary  Sale                    571                            67.3600  GBP
 Rio Tinto plc 10p ordinary  Sale                    564                            67.6000  GBP
 Rio Tinto plc 10p ordinary  Sale                    561                            67.5400  GBP
 Rio Tinto plc 10p ordinary  Sale                    558                            67.5800  GBP
 Rio Tinto plc 10p ordinary  Sale                    541                            67.1994  GBP
 Rio Tinto plc 10p ordinary  Sale                    517                            67.6400  GBP
 ADR                         Sale                    506                            93.1472  USD
 Rio Tinto plc 10p ordinary  Sale                    505                            67.1350  GBP
 ADR                         Sale                    488                            92.9861  USD
 Rio Tinto plc 10p ordinary  Sale                    481                            67.2450  GBP
 ADR                         Sale                    474                            93.1870  USD
 Rio Tinto plc 10p ordinary  Sale                    450                            67.3103  GBP
 Rio Tinto plc 10p ordinary  Sale                    446                            67.4300  GBP
 Rio Tinto plc 10p ordinary  Sale                    422                            67.3534  GBP
 ADR                         Sale                    413                            93.0325  USD
 Rio Tinto plc 10p ordinary  Sale                    409                            67.6200  GBP
 Rio Tinto plc 10p ordinary  Sale                    407                            67.3500  GBP
 Rio Tinto plc 10p ordinary  Sale                    395                            67.5481  GBP
 Rio Tinto plc 10p ordinary  Sale                    395                            67.3700  GBP
 Rio Tinto plc 10p ordinary  Sale                    376                            67.1150  GBP
 Rio Tinto plc 10p ordinary  Sale                    375                            67.1842  GBP
 Rio Tinto plc 10p ordinary  Sale                    358                            67.3125  GBP
 Rio Tinto plc 10p ordinary  Sale                    353                            67.1500  GBP
 Rio Tinto plc 10p ordinary  Sale                    353                            67.3400  GBP
 Rio Tinto plc 10p ordinary  Sale                    342                            67.1050  GBP
 Rio Tinto plc 10p ordinary  Sale                    342                            67.3000  GBP
 Rio Tinto plc 10p ordinary  Sale                    334                            67.1364  GBP
 Rio Tinto plc 10p ordinary  Sale                    311                            67.6500  GBP
 Rio Tinto plc 10p ordinary  Sale                    297                            67.6100  GBP
 ADR                         Sale                    292                            93.3683  USD
 Rio Tinto plc 10p ordinary  Sale                    291                            67.5900  GBP
 Rio Tinto plc 10p ordinary  Sale                    284                            67.1730  GBP
 Rio Tinto plc 10p ordinary  Sale                    283                            67.4100  GBP
 Rio Tinto plc 10p ordinary  Sale                    276                            67.2961  GBP
 Rio Tinto plc 10p ordinary  Sale                    276                            67.5250  GBP
 Rio Tinto plc 10p ordinary  Sale                    261                            67.3900  GBP
 Rio Tinto plc 10p ordinary  Sale                    244                            67.0950  GBP
 Rio Tinto plc 10p ordinary  Sale                    242                            67.3422  GBP
 Rio Tinto plc 10p ordinary  Sale                    238                            67.7600  GBP
 Rio Tinto plc 10p ordinary  Sale                    232                            67.7200  GBP
 Rio Tinto plc 10p ordinary  Sale                    230                            67.2050  GBP
 Rio Tinto plc 10p ordinary  Sale                    229                            67.2128  GBP
 Rio Tinto plc 10p ordinary  Sale                    224                            67.3250  GBP
 Rio Tinto plc 10p ordinary  Sale                    220                            67.5150  GBP
 ADR                         Sale                    220                            93.2600  USD
 Rio Tinto plc 10p ordinary  Sale                    211                            67.0700  GBP
 Rio Tinto plc 10p ordinary  Sale                    203                            67.0600  GBP
 Rio Tinto plc 10p ordinary  Sale                    202                            67.0850  GBP
 ADR                         Sale                    200                            92.3500  USD
 Rio Tinto plc 10p ordinary  Sale                    196                            67.4050  GBP
 Rio Tinto plc 10p ordinary  Sale                    194                            67.5750  GBP
 Rio Tinto plc 10p ordinary  Sale                    193                            67.5450  GBP
 Rio Tinto plc 10p ordinary  Sale                    189                            67.3100  GBP
 Rio Tinto plc 10p ordinary  Sale                    188                            67.3503  GBP
 ADR                         Sale                    188                            93.2407  USD
 ADR                         Sale                    181                            93.3790  USD
 Rio Tinto plc 10p ordinary  Sale                    181                            67.0400  GBP
 Rio Tinto plc 10p ordinary  Sale                    181                            67.3800  GBP
 Rio Tinto plc 10p ordinary  Sale                    178                            67.1600  GBP
 Rio Tinto plc 10p ordinary  Sale                    171                            67.7000  GBP
 Rio Tinto plc 10p ordinary  Sale                    170                            67.2850  GBP
 Rio Tinto plc 10p ordinary  Sale                    159                            67.3950  GBP
 Rio Tinto plc 10p ordinary  Sale                    156                            67.0300  GBP
 ADR                         Sale                    150                            93.0355  USD
 ADR                         Sale                    150                            93.0666  USD
 Rio Tinto plc 10p ordinary  Sale                    148                            67.3550  GBP
 Rio Tinto plc 10p ordinary  Sale                    145                            67.6800  GBP
 Rio Tinto plc 10p ordinary  Sale                    143                            67.4350  GBP
 Rio Tinto plc 10p ordinary  Sale                    142                            67.1450  GBP
 ADR                         Sale                    140                            93.0814  USD
 Rio Tinto plc 10p ordinary  Sale                    135                            67.4750  GBP
 ADR                         Sale                    125                            93.0900  USD
 Rio Tinto plc 10p ordinary  Sale                    125                            67.6300  GBP
 Rio Tinto plc 10p ordinary  Sale                    125                            77.7511  EUR
 Rio Tinto plc 10p ordinary  Sale                    119                            67.3666  GBP
 ADR                         Sale                    113                            93.3378  USD
 Rio Tinto plc 10p ordinary  Sale                    111                            67.6900  GBP
 Rio Tinto plc 10p ordinary  Sale                    107                            66.9950  GBP
 Rio Tinto plc 10p ordinary  Sale                    107                            67.4250  GBP
 Rio Tinto plc 10p ordinary  Sale                    101                            67.6150  GBP
 ADR                         Sale                    100                            92.4632  USD
 Rio Tinto plc 10p ordinary  Sale                    96                             67.2950  GBP
 Rio Tinto plc 10p ordinary  Sale                    94                             67.6600  GBP
 Rio Tinto plc 10p ordinary  Sale                    93                             67.0450  GBP
 ADR                         Sale                    92                             93.3450  USD
 ADR                         Sale                    92                             93.3300  USD
 Rio Tinto plc 10p ordinary  Sale                    92                             67.0000  GBP
 ADR                         Sale                    92                             93.3800  USD
 Rio Tinto plc 10p ordinary  Sale                    90                             67.2250  GBP
 Rio Tinto plc 10p ordinary  Sale                    89                             67.4850  GBP
 Rio Tinto plc 10p ordinary  Sale                    89                             67.2895  GBP
 Rio Tinto plc 10p ordinary  Sale                    88                             77.8011  EUR
 Rio Tinto plc 10p ordinary  Sale                    86                             67.1650  GBP
 Rio Tinto plc 10p ordinary  Sale                    79                             67.4150  GBP
 Rio Tinto plc 10p ordinary  Sale                    79                             67.7400  GBP
 Rio Tinto plc 10p ordinary  Sale                    77                             67.0100  GBP
 Rio Tinto plc 10p ordinary  Sale                    77                             67.7700  GBP
 Rio Tinto plc 10p ordinary  Sale                    77                             67.1850  GBP
 Rio Tinto plc 10p ordinary  Sale                    76                             67.5650  GBP
 Rio Tinto plc 10p ordinary  Sale                    72                             67.2650  GBP
 Rio Tinto plc 10p ordinary  Sale                    71                             67.0350  GBP
 Rio Tinto plc 10p ordinary  Sale                    69                             67.2150  GBP
 Rio Tinto plc 10p ordinary  Sale                    68                             67.2550  GBP
 Rio Tinto plc 10p ordinary  Sale                    60                             67.2338  GBP
 Rio Tinto plc 10p ordinary  Sale                    55                             67.5950  GBP
 Rio Tinto plc 10p ordinary  Sale                    52                             67.0650  GBP
 Rio Tinto plc 10p ordinary  Sale                    52                             67.4450  GBP
 Rio Tinto plc 10p ordinary  Sale                    51                             67.7500  GBP
 Rio Tinto plc 10p ordinary  Sale                    49                             67.3150  GBP
 Rio Tinto plc 10p ordinary  Sale                    47                             67.7100  GBP
 Rio Tinto plc 10p ordinary  Sale                    37                             67.4550  GBP
 Rio Tinto plc 10p ordinary  Sale                    36                             67.3350  GBP
 Rio Tinto plc 10p ordinary  Sale                    34                             67.3050  GBP
 Rio Tinto plc 10p ordinary  Sale                    33                             67.0500  GBP
 Rio Tinto plc 10p ordinary  Sale                    32                             67.1550  GBP
 ADR                         Sale                    31                             93.3400  USD
 Rio Tinto plc 10p ordinary  Sale                    27                             67.6550  GBP
 Rio Tinto plc 10p ordinary  Sale                    27                             67.6510  GBP
 Rio Tinto plc 10p ordinary  Sale                    27                             67.3850  GBP
 Rio Tinto plc 10p ordinary  Sale                    26                             67.2750  GBP
 Rio Tinto plc 10p ordinary  Sale                    25                             67.1950  GBP
 Rio Tinto plc 10p ordinary  Sale                    25                             67.3148  GBP
 Rio Tinto plc 10p ordinary  Sale                    24                             67.0550  GBP
 ADR                         Sale                    24                             93.3600  USD
 Rio Tinto plc 10p ordinary  Sale                    18                             67.3750  GBP
 Rio Tinto plc 10p ordinary  Sale                    18                             67.0250  GBP
 Rio Tinto plc 10p ordinary  Sale                    18                             67.3650  GBP
 Rio Tinto plc 10p ordinary  Sale                    16                             67.4950  GBP
 Rio Tinto plc 10p ordinary  Sale                    15                             67.5850  GBP
 ADR                         Sale                    13                             93.0169  USD
 ADR                         Sale                    12                             93.1500  USD
 ADR                         Sale                    7                              92.8352  USD
 Rio Tinto plc 10p ordinary  Sale                    5                              67.2440  GBP
 ADR                         Sale                    2                              92.9200  USD
 ADR                         Sale                    2                              92.6091  USD
 Rio Tinto plc 10p ordinary  Sale                    1                              67.6250  GBP
 ADR                         Sale                    1                              93.0800  USD
 (b)                         Cash-settled derivative transactions
 Class of                    Product  description    Nature of dealing              Number of               Price per

 relevant
 reference
 unit

 security
 securities
 Rio Tinto Limited ordinary  SWAP                    Decreasing Short               2,932                   152.6918  AUD
 Rio Tinto Limited ordinary  SWAP                    Decreasing Short               377                     152.9060  AUD
 Rio Tinto Limited ordinary  SWAP                    Decreasing Short               1,470                   152.9062  AUD
 Rio Tinto Limited ordinary  SWAP                    Decreasing Short               584                     152.9082  AUD
 Rio Tinto Limited ordinary  SWAP                    Decreasing Short               3,376                   152.9212  AUD
 Rio Tinto Limited ordinary  SWAP                    Decreasing Short               1,988                   152.9213  AUD
 Rio Tinto Limited ordinary  SWAP                    Decreasing Short               137                     153.2097  AUD
 Rio Tinto Limited ordinary  SWAP                    Decreasing Short               88                      153.2561  AUD
 Rio Tinto Limited ordinary  SWAP                    Increasing Short               25                      152.9708  AUD
 Rio Tinto Limited ordinary  SWAP                    Increasing Short               3,185                   153.3023  AUD
 Rio Tinto Limited ordinary  CFD                     Increasing Long                104                     153.0878  AUD
 Rio Tinto Limited ordinary  CFD                     Increasing Long                27,553                  153.9802  AUD
 Rio Tinto Limited ordinary  CFD                     Decreasing Long                5,418                   152.9571  AUD
 Rio Tinto Limited ordinary  CFD                     Decreasing Long                15,161                  153.1181  AUD
 Rio Tinto Limited ordinary  CFD                     Decreasing Long                186                     153.1330  AUD
 Rio Tinto plc 10p ordinary  SWAP                    Opening Long                   75,000                  67.3638  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                7,359                   67.1094  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                6,740                   67.1435  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                541                     67.1994  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                10                      67.2000  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                229                     67.2128  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                661                     67.2129  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                2,102                   67.2548  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                632                     67.2687  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                1,453                   67.2700  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                53,619                  67.2702  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                1,050                   67.2707  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                12,609                  67.2758  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                1,203                   67.2825  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                4,307                   67.2920  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                9,307                   67.2925  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                32,211                  67.3104  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                25                      67.3149  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                4,923                   67.3174  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                1,247                   67.3287  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                17,934                  67.3292  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                417                     67.3520  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                98                      67.3696  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                49,556                  67.3697  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                4,995                   67.3798  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                14,983                  67.3799  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                1,848                   67.3882  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                3,441                   67.3887  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                794                     67.3999  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                6,442                   67.4045  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                9,118                   67.4077  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                3,814                   67.4102  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                26,915                  67.4156  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                2,006                   67.4177  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                753                     67.4308  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                29,878                  67.4446  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                1,237                   67.4567  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                5                       67.4626  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                26,444                  67.4713  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                5,517                   67.4812  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                4,971                   67.4942  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                217                     67.4994  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                2,641                   67.5039  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                960                     67.5066  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                20,285                  67.5097  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                104,678                 67.5100  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                919                     67.5119  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                1,236                   67.5186  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                7,176                   67.5200  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                27                      67.5500  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                1,453                   67.6266  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                115                     67.6400  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                27                      67.6550  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                2,469                   77.5450  EUR
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                577                     67.0905  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                6,740                   67.1100  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                6,740                   67.1435  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                163,993                 67.1900  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                8                       67.3166  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                147                     67.3233  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                2,538                   67.3499  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                4,763                   67.3501  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                9,504                   67.3673  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                4,221                   67.3696  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                58                      67.3705  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                93                      67.3706  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                898                     67.3761  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                2,105                   67.3781  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                544                     67.3859  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                970                     67.3953  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                3,423                   67.4015  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                55,809                  67.4093  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                8,445                   67.4234  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                17,614                  67.4711  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                848                     67.4737  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                51,052                  67.4981  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                11,195                  67.5100  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                655                     67.5108  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                6,786                   67.5133  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                683                     67.5262  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                207                     67.6433  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                87                      77.4781  EUR
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                2,185                   77.5601  EUR
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                14                      77.7842  EUR
 Rio Tinto plc 10p ordinary  CFD                     Increasing Long                7,983                   67.2090  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Long                4,639                   67.2447  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Long                136                     67.3663  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Long                35,662                  67.3952  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Long                152                     67.5052  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Long                46,095                  67.5100  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Long                395                     67.5481  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Long                759                     77.5111  EUR
 Rio Tinto plc 10p ordinary  CFD                     Decreasing Long                9,681                   67.2594  GBP
 Rio Tinto plc 10p ordinary  CFD                     Decreasing Long                21,133                  67.3656  GBP
 Rio Tinto plc 10p ordinary  CFD                     Decreasing Long                5,960                   67.4946  GBP
 Rio Tinto plc 10p ordinary  CFD                     Opening Short                  118,305                 67.5100  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               554                     77.7314  EUR
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               230                     77.8229  EUR

 (c)                         Stock-settled derivative transactions

 (including options)
 (i)                         Writing, selling, purchasing or varying
 Class                       Product                 Writing,                       Number                  Exercise     Type         Expiry       Option

 of
 description
 purchasing,
 of
 price
 date
 money

 relevant
 selling,
 securities
 per unit
 paid/

 security
 varying etc
 to which
 received

 option
 per unit

 relates

 (ii)                        Exercise
 Class of relevant           Product description     Exercising/ exercised against  Number of               Exercise price per

 security
 securities
 unit

 (d)                         Other dealings (including subscribing for

 new securities)
 Class of relevant           Nature of Dealings      Details                        Price per unit (if

 security
 applicable)

 4.                          OTHER INFORMATION
 (a)                         Indemnity and other dealings 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:
 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 of future acquisition or disposal of any relevant
 securities to which

 any derivative is referenced:
 NONE
 (c)                         Attachments
 Is a Supplemental Form 8 (Open Positions) attached?                                                        YES
 Date of disclosure:                                                                                        29 Jan 2026
 Contact name:                                                                                              Large Holdings Regulatory Operations
 Telephone number:                                                                                          020 3134 7213

 SUPPLEMENTAL FORM 8 (OPEN POSITIONS)
 DETAILS OF OPEN OPTION AND DERIVATIVE POSITIONS, AGREEMENTS TO
 PURCHASE OR SELL ETC.
 Note 5(i) on Rule 8 of the Takeover Code (the "Code")
 1.    KEY INFORMATION
 Identity of the person whose positions/dealings                                                            Barclays PLC.

 are being disclosed:
 Name of offeror/offeree in relation to whose                                                               RIO TINTO PLC AND RIO TINTO LIMITED

 relevant securities this from relates:

 2.    OPTIONS AND DERIVATIVES
 Class                       Product                 Writing,                       Number                  Exercise     Type         Expiry

 of
 description
 purchasing,
 of
 price
 date

 relevant
 selling,
 securities
 per unit

 security
 varying etc
 to which

 option

 relates
 Rio Tinto plc 10p ordinary  Call Options            Written                        -142,508                57.9288      European     20 Oct 2026
 Rio Tinto plc ADR           Put Options             Purchased                      -500                    63.0000      American     15 Jan 2027
 Rio Tinto plc ADR           Put Options             Purchased                      -400                    60.0000      American     15 Jan 2027
 Rio Tinto plc ADR           Call Options            Purchased                      1,000                   65.0000      American     15 Jan 2027
 Rio Tinto plc ADR           Call Options            Written                        -414,010                77.5100      European     25 Jan 2027
 Rio Tinto plc ADR           Call Options            Written                        -414,008                77.6756      European     25 Jan 2027
 Rio Tinto plc ADR           Call Options            Written                        -345,002                81.7604      European     25 Jan 2027
 Rio Tinto plc ADR           Put Options             Written                        30,000                  48.0000      American     15 Jan 2027

 3.    AGREEMENTS TO PURCHASE OR SELL ETC.
 Full details should be given so that the nature of the interest or position
 can be fully understood:

 

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