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

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RNS Number : 0253Q  Barclays PLC  22 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:                                         21 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:                                                           8,952,888    0.71%        7,974,783    0.63%
 (2) Cash-settled derivatives:                                                                              3,512,770    0.28%        4,534,148    0.36%
 (3) Stock-settled derivatives (including options) and agreements to                                        31,000       0.00%        142,508      0.01%
 purchase/sell:
                                                                                                            12,496,658   0.99%        12,651,439   1.00%

 TOTAL:

 

 Class of relevant security:                                                                                Rio Tinto Limited ordinary
                                                                                                            Interests                 Short Positions
                             Number                  (%)                            Number                  (%)
 (1) Relevant securities owned and/or controlled:                                                           912,724      0.25%        1,073,206    0.29%
 (2) Cash-settled derivatives:                                                                              1,045,927    0.28%        796,783      0.21%
 (3) Stock-settled derivatives (including options) and agreements to                                        0            0.00%        0            0.00%
 purchase/sell:
                                                                                                            1,958,651    0.53%        1,869,989    0.50%

 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 Limited ordinary  Purchase                68,156                         149.5931  AUD
 Rio Tinto Limited ordinary  Purchase                8,352                          149.6655  AUD
 Rio Tinto Limited ordinary  Purchase                1,648                          149.7397  AUD
 Rio Tinto Limited ordinary  Purchase                1,511                          149.1479  AUD
 Rio Tinto Limited ordinary  Purchase                874                            149.4267  AUD
 Rio Tinto Limited ordinary  Purchase                261                            150.1000  AUD
 Rio Tinto Limited ordinary  Purchase                116                            150.0082  AUD
 Rio Tinto Limited ordinary  Purchase                94                             150.0420  AUD
 Rio Tinto Limited ordinary  Purchase                83                             149.6257  AUD
 Rio Tinto Limited ordinary  Purchase                52                             149.5182  AUD
 Rio Tinto plc 10p ordinary  Purchase                156,999                        66.0834  GBP
 Rio Tinto plc 10p ordinary  Purchase                127,080                        66.0761  GBP
 ADR                         Purchase                75,040                         89.0092  USD
 Rio Tinto plc 10p ordinary  Purchase                66,650                         65.3089  GBP
 ADR                         Purchase                65,324                         88.9679  USD
 Rio Tinto plc 10p ordinary  Purchase                65,174                         66.1804  GBP
 Rio Tinto plc 10p ordinary  Purchase                59,251                         66.4100  GBP
 Rio Tinto plc 10p ordinary  Purchase                52,330                         66.4112  GBP
 Rio Tinto plc 10p ordinary  Purchase                51,258                         66.4087  GBP
 Rio Tinto plc 10p ordinary  Purchase                47,392                         66.1682  GBP
 Rio Tinto plc 10p ordinary  Purchase                40,495                         65.9043  GBP
 ADR                         Purchase                37,979                         89.2635  USD
 Rio Tinto plc 10p ordinary  Purchase                35,284                         66.2031  GBP
 Rio Tinto plc 10p ordinary  Purchase                34,555                         66.4022  GBP
 Rio Tinto plc 10p ordinary  Purchase                34,062                         65.9068  GBP
 Rio Tinto plc 10p ordinary  Purchase                30,419                         66.3286  GBP
 Rio Tinto plc 10p ordinary  Purchase                23,977                         65.7846  GBP
 Rio Tinto plc 10p ordinary  Purchase                23,311                         65.7436  GBP
 ADR                         Purchase                22,242                         89.5000  USD
 ADR                         Purchase                21,107                         89.0492  USD
 Rio Tinto plc 10p ordinary  Purchase                19,194                         65.7677  GBP
 ADR                         Purchase                18,941                         88.8400  USD
 ADR                         Purchase                16,509                         88.9786  USD
 Rio Tinto plc 10p ordinary  Purchase                16,297                         66.0616  GBP
 Rio Tinto plc 10p ordinary  Purchase                15,149                         66.3923  GBP
 Rio Tinto plc 10p ordinary  Purchase                13,930                         66.2316  GBP
 Rio Tinto plc 10p ordinary  Purchase                13,508                         66.2878  GBP
 Rio Tinto plc 10p ordinary  Purchase                13,289                         66.2217  GBP
 Rio Tinto plc 10p ordinary  Purchase                13,240                         66.3522  GBP
 Rio Tinto plc 10p ordinary  Purchase                13,214                         66.2032  GBP
 Rio Tinto plc 10p ordinary  Purchase                12,230                         65.9115  GBP
 Rio Tinto plc 10p ordinary  Purchase                12,050                         66.2201  GBP
 Rio Tinto plc 10p ordinary  Purchase                12,026                         66.2159  GBP
 ADR                         Purchase                11,972                         89.1669  USD
 Rio Tinto plc 10p ordinary  Purchase                11,862                         75.8897  EUR
 Rio Tinto plc 10p ordinary  Purchase                10,876                         66.2524  GBP
 Rio Tinto plc 10p ordinary  Purchase                10,684                         65.6533  GBP
 Rio Tinto plc 10p ordinary  Purchase                9,740                          66.2463  GBP
 Rio Tinto plc 10p ordinary  Purchase                9,450                          66.2481  GBP
 Rio Tinto plc 10p ordinary  Purchase                9,126                          66.2925  GBP
 ADR                         Purchase                9,100                          88.8318  USD
 Rio Tinto plc 10p ordinary  Purchase                7,265                          66.1346  GBP
 Rio Tinto plc 10p ordinary  Purchase                6,744                          65.9577  GBP
 Rio Tinto plc 10p ordinary  Purchase                6,728                          66.0967  GBP
 Rio Tinto plc 10p ordinary  Purchase                6,515                          66.0166  GBP
 ADR                         Purchase                6,479                          88.8989  USD
 ADR                         Purchase                6,091                          88.9069  USD
 Rio Tinto plc 10p ordinary  Purchase                6,082                          66.3355  GBP
 Rio Tinto plc 10p ordinary  Purchase                6,045                          66.1202  GBP
 Rio Tinto plc 10p ordinary  Purchase                5,913                          66.0202  GBP
 Rio Tinto plc 10p ordinary  Purchase                5,803                          66.4903  GBP
 Rio Tinto plc 10p ordinary  Purchase                5,458                          66.0994  GBP
 Rio Tinto plc 10p ordinary  Purchase                5,340                          66.1775  GBP
 ADR                         Purchase                5,033                          88.9526  USD
 Rio Tinto plc 10p ordinary  Purchase                4,855                          75.6177  EUR
 Rio Tinto plc 10p ordinary  Purchase                4,845                          66.1603  GBP
 Rio Tinto plc 10p ordinary  Purchase                4,794                          66.1469  GBP
 Rio Tinto plc 10p ordinary  Purchase                4,647                          65.9370  GBP
 Rio Tinto plc 10p ordinary  Purchase                4,611                          66.1542  GBP
 ADR                         Purchase                4,563                          88.8894  USD
 ADR                         Purchase                4,201                          88.8724  USD
 Rio Tinto plc 10p ordinary  Purchase                4,018                          65.9449  GBP
 Rio Tinto plc 10p ordinary  Purchase                3,955                          66.3291  GBP
 ADR                         Purchase                3,864                          88.8996  USD
 Rio Tinto plc 10p ordinary  Purchase                3,839                          65.8005  GBP
 Rio Tinto plc 10p ordinary  Purchase                3,806                          66.5234  GBP
 Rio Tinto plc 10p ordinary  Purchase                3,182                          66.3998  GBP
 ADR                         Purchase                3,092                          88.8976  USD
 Rio Tinto plc 10p ordinary  Purchase                3,077                          66.1462  GBP
 ADR                         Purchase                3,059                          89.0961  USD
 Rio Tinto plc 10p ordinary  Purchase                2,831                          66.3555  GBP
 ADR                         Purchase                2,756                          89.3236  USD
 Rio Tinto plc 10p ordinary  Purchase                2,711                          64.0800  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,558                          66.1010  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,360                          66.2977  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,257                          66.5114  GBP
 ADR                         Purchase                2,208                          88.9009  USD
 ADR                         Purchase                2,203                          89.0035  USD
 ADR                         Purchase                2,037                          89.6346  USD
 ADR                         Purchase                1,960                          88.9113  USD
 ADR                         Purchase                1,815                          88.8886  USD
 Rio Tinto plc 10p ordinary  Purchase                1,799                          66.5155  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,737                          66.1509  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,705                          66.1700  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,698                          66.1400  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,626                          66.1175  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,622                          66.4577  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,573                          66.6119  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,514                          66.2338  GBP
 ADR                         Purchase                1,500                          89.2266  USD
 ADR                         Purchase                1,479                          88.9322  USD
 Rio Tinto plc 10p ordinary  Purchase                1,391                          66.4441  GBP
 ADR                         Purchase                1,357                          88.8470  USD
 Rio Tinto plc 10p ordinary  Purchase                1,319                          65.5068  GBP
 ADR                         Purchase                1,280                          89.2776  USD
 Rio Tinto plc 10p ordinary  Purchase                1,265                          65.0302  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,239                          66.1170  GBP
 ADR                         Purchase                1,227                          89.0391  USD
 Rio Tinto plc 10p ordinary  Purchase                1,204                          66.3804  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,141                          66.5058  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,033                          66.1981  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,019                          66.5085  GBP
 ADR                         Purchase                1,007                          88.8765  USD
 Rio Tinto plc 10p ordinary  Purchase                969                            66.3833  GBP
 Rio Tinto plc 10p ordinary  Purchase                960                            66.2403  GBP
 Rio Tinto plc 10p ordinary  Purchase                887                            66.2991  GBP
 ADR                         Purchase                830                            89.3177  USD
 Rio Tinto plc 10p ordinary  Purchase                817                            76.2020  EUR
 Rio Tinto plc 10p ordinary  Purchase                760                            66.3317  GBP
 Rio Tinto plc 10p ordinary  Purchase                734                            66.3883  GBP
 Rio Tinto plc 10p ordinary  Purchase                700                            66.1800  GBP
 Rio Tinto plc 10p ordinary  Purchase                684                            66.5000  GBP
 ADR                         Purchase                653                            88.9298  USD
 ADR                         Purchase                631                            88.9146  USD
 Rio Tinto plc 10p ordinary  Purchase                625                            65.9100  GBP
 Rio Tinto plc 10p ordinary  Purchase                548                            66.3303  GBP
 Rio Tinto plc 10p ordinary  Purchase                530                            66.3509  GBP
 Rio Tinto plc 10p ordinary  Purchase                530                            66.4500  GBP
 Rio Tinto plc 10p ordinary  Purchase                529                            65.4719  GBP
 Rio Tinto plc 10p ordinary  Purchase                506                            66.4600  GBP
 Rio Tinto plc 10p ordinary  Purchase                497                            66.4677  GBP
 Rio Tinto plc 10p ordinary  Purchase                467                            66.4800  GBP
 Rio Tinto plc 10p ordinary  Purchase                466                            66.1689  GBP
 Rio Tinto plc 10p ordinary  Purchase                464                            66.6567  GBP
 Rio Tinto plc 10p ordinary  Purchase                454                            66.3670  GBP
 Rio Tinto plc 10p ordinary  Purchase                450                            65.9097  GBP
 Rio Tinto plc 10p ordinary  Purchase                449                            66.6644  GBP
 Rio Tinto plc 10p ordinary  Purchase                446                            66.1000  GBP
 ADR                         Purchase                441                            88.8844  USD
 Rio Tinto plc 10p ordinary  Purchase                437                            66.0836  GBP
 Rio Tinto plc 10p ordinary  Purchase                430                            66.3014  GBP
 Rio Tinto plc 10p ordinary  Purchase                418                            66.1659  GBP
 Rio Tinto plc 10p ordinary  Purchase                417                            66.6600  GBP
 Rio Tinto plc 10p ordinary  Purchase                408                            66.3600  GBP
 Rio Tinto plc 10p ordinary  Purchase                393                            65.9704  GBP
 Rio Tinto plc 10p ordinary  Purchase                393                            66.0800  GBP
 Rio Tinto plc 10p ordinary  Purchase                386                            66.3109  GBP
 Rio Tinto plc 10p ordinary  Purchase                381                            66.2300  GBP
 Rio Tinto plc 10p ordinary  Purchase                369                            66.6363  GBP
 Rio Tinto plc 10p ordinary  Purchase                361                            65.9600  GBP
 Rio Tinto plc 10p ordinary  Purchase                360                            66.4866  GBP
 Rio Tinto plc 10p ordinary  Purchase                360                            65.8200  GBP
 ADR                         Purchase                358                            88.8503  USD
 Rio Tinto plc 10p ordinary  Purchase                355                            66.0366  GBP
 ADR                         Purchase                350                            89.6435  USD
 Rio Tinto plc 10p ordinary  Purchase                344                            66.5137  GBP
 Rio Tinto plc 10p ordinary  Purchase                340                            66.2146  GBP
 ADR                         Purchase                332                            88.8890  USD
 Rio Tinto plc 10p ordinary  Purchase                317                            66.3079  GBP
 Rio Tinto plc 10p ordinary  Purchase                316                            66.3819  GBP
 Rio Tinto plc 10p ordinary  Purchase                314                            65.2900  GBP
 Rio Tinto plc 10p ordinary  Purchase                301                            66.3829  GBP
 ADR                         Purchase                300                            88.8300  USD
 Rio Tinto plc 10p ordinary  Purchase                276                            66.3725  GBP
 Rio Tinto plc 10p ordinary  Purchase                260                            66.3095  GBP
 Rio Tinto plc 10p ordinary  Purchase                253                            66.2667  GBP
 ADR                         Purchase                253                            88.8450  USD
 Rio Tinto plc 10p ordinary  Purchase                251                            65.8500  GBP
 Rio Tinto plc 10p ordinary  Purchase                241                            66.5461  GBP
 Rio Tinto plc 10p ordinary  Purchase                234                            66.2817  GBP
 Rio Tinto plc 10p ordinary  Purchase                231                            66.4256  GBP
 Rio Tinto plc 10p ordinary  Purchase                218                            66.1100  GBP
 Rio Tinto plc 10p ordinary  Purchase                211                            66.5415  GBP
 Rio Tinto plc 10p ordinary  Purchase                204                            65.8300  GBP
 Rio Tinto plc 10p ordinary  Purchase                204                            66.3589  GBP
 ADR                         Purchase                200                            88.9300  USD
 ADR                         Purchase                200                            88.9350  USD
 ADR                         Purchase                200                            88.9100  USD
 ADR                         Purchase                200                            89.4500  USD
 ADR                         Purchase                200                            89.6312  USD
 ADR                         Purchase                200                            89.4425  USD
 Rio Tinto plc 10p ordinary  Purchase                194                            66.0900  GBP
 Rio Tinto plc 10p ordinary  Purchase                182                            66.0100  GBP
 Rio Tinto plc 10p ordinary  Purchase                178                            66.1900  GBP
 Rio Tinto plc 10p ordinary  Purchase                162                            66.1950  GBP
 Rio Tinto plc 10p ordinary  Purchase                157                            64.5390  GBP
 Rio Tinto plc 10p ordinary  Purchase                154                            65.5900  GBP
 ADR                         Purchase                150                            89.6600  USD
 Rio Tinto plc 10p ordinary  Purchase                148                            66.1450  GBP
 Rio Tinto plc 10p ordinary  Purchase                146                            65.9900  GBP
 Rio Tinto plc 10p ordinary  Purchase                140                            66.6000  GBP
 ADR                         Purchase                140                            89.0000  USD
 ADR                         Purchase                132                            88.8800  USD
 ADR                         Purchase                130                            88.8883  USD
 ADR                         Purchase                124                            88.8000  USD
 Rio Tinto plc 10p ordinary  Purchase                123                            66.2166  GBP
 Rio Tinto plc 10p ordinary  Purchase                121                            66.4400  GBP
 Rio Tinto plc 10p ordinary  Purchase                120                            66.1904  GBP
 Rio Tinto plc 10p ordinary  Purchase                119                            66.2061  GBP
 Rio Tinto plc 10p ordinary  Purchase                119                            66.1619  GBP
 Rio Tinto plc 10p ordinary  Purchase                113                            66.2900  GBP
 Rio Tinto plc 10p ordinary  Purchase                111                            66.6400  GBP
 Rio Tinto plc 10p ordinary  Purchase                110                            66.1749  GBP
 ADR                         Purchase                105                            88.8506  USD
 Rio Tinto plc 10p ordinary  Purchase                104                            66.4700  GBP
 Rio Tinto plc 10p ordinary  Purchase                104                            65.6800  GBP
 Rio Tinto plc 10p ordinary  Purchase                104                            65.3200  GBP
 ADR                         Purchase                100                            88.9200  USD
 ADR                         Purchase                100                            88.9400  USD
 ADR                         Purchase                100                            88.8500  USD
 ADR                         Purchase                100                            88.8250  USD
 ADR                         Purchase                100                            88.8200  USD
 Rio Tinto plc 10p ordinary  Purchase                100                            66.2015  GBP
 ADR                         Purchase                100                            89.2100  USD
 Rio Tinto plc 10p ordinary  Purchase                95                             66.6200  GBP
 ADR                         Purchase                93                             88.8684  USD
 ADR                         Purchase                92                             88.8566  USD
 ADR                         Purchase                84                             88.8889  USD
 Rio Tinto plc 10p ordinary  Purchase                84                             66.0300  GBP
 ADR                         Purchase                81                             88.8402  USD
 ADR                         Purchase                80                             88.8290  USD
 ADR                         Purchase                79                             88.8712  USD
 ADR                         Purchase                79                             88.8785  USD
 Rio Tinto plc 10p ordinary  Purchase                77                             66.2000  GBP
 ADR                         Purchase                76                             88.8841  USD
 Rio Tinto plc 10p ordinary  Purchase                75                             65.8544  GBP
 Rio Tinto plc 10p ordinary  Purchase                75                             66.4200  GBP
 ADR                         Purchase                70                             88.8674  USD
 Rio Tinto plc 10p ordinary  Purchase                68                             65.8100  GBP
 Rio Tinto plc 10p ordinary  Purchase                66                             66.1478  GBP
 Rio Tinto plc 10p ordinary  Purchase                64                             66.1200  GBP
 Rio Tinto plc 10p ordinary  Purchase                63                             66.3450  GBP
 Rio Tinto plc 10p ordinary  Purchase                61                             66.2100  GBP
 Rio Tinto plc 10p ordinary  Purchase                59                             65.6100  GBP
 Rio Tinto plc 10p ordinary  Purchase                56                             66.4900  GBP
 Rio Tinto plc 10p ordinary  Purchase                51                             65.9300  GBP
 ADR                         Purchase                50                             88.8847  USD
 ADR                         Purchase                49                             88.8827  USD
 ADR                         Purchase                43                             88.8893  USD
 Rio Tinto plc 10p ordinary  Purchase                43                             65.9650  GBP
 Rio Tinto plc 10p ordinary  Purchase                42                             76.2200  EUR
 ADR                         Purchase                40                             88.8946  USD
 Rio Tinto plc 10p ordinary  Purchase                39                             65.8800  GBP
 Rio Tinto plc 10p ordinary  Purchase                38                             66.2700  GBP
 ADR                         Purchase                37                             88.8908  USD
 ADR                         Purchase                37                             88.9036  USD
 ADR                         Purchase                37                             88.9448  USD
 Rio Tinto plc 10p ordinary  Purchase                35                             66.5800  GBP
 Rio Tinto plc 10p ordinary  Purchase                34                             66.5300  GBP
 Rio Tinto plc 10p ordinary  Purchase                31                             65.5700  GBP
 Rio Tinto plc 10p ordinary  Purchase                30                             65.7834  GBP
 Rio Tinto plc 10p ordinary  Purchase                28                             66.2600  GBP
 Rio Tinto plc 10p ordinary  Purchase                28                             66.5400  GBP
 Rio Tinto plc 10p ordinary  Purchase                28                             66.7500  GBP
 ADR                         Purchase                26                             88.8987  USD
 Rio Tinto plc 10p ordinary  Purchase                23                             66.3350  GBP
 Rio Tinto plc 10p ordinary  Purchase                22                             66.3000  GBP
 ADR                         Purchase                16                             88.9800  USD
 Rio Tinto plc 10p ordinary  Purchase                16                             65.2400  GBP
 Rio Tinto plc 10p ordinary  Purchase                12                             64.9500  GBP
 Rio Tinto plc 10p ordinary  Purchase                11                             66.0600  GBP
 ADR                         Purchase                1                              89.7365  USD
 ADR                         Purchase                1                              89.3100  USD
 Rio Tinto plc 10p ordinary  Purchase                1                              66.7100  GBP
 ADR                         Purchase                1                              88.9250  USD
 Rio Tinto Limited ordinary  Sale                    68,156                         149.5931  AUD
 Rio Tinto Limited ordinary  Sale                    2,136                          150.0894  AUD
 Rio Tinto Limited ordinary  Sale                    1,646                          149.7020  AUD
 Rio Tinto Limited ordinary  Sale                    874                            149.4268  AUD
 Rio Tinto Limited ordinary  Sale                    750                            149.5080  AUD
 Rio Tinto Limited ordinary  Sale                    744                            150.0850  AUD
 Rio Tinto Limited ordinary  Sale                    607                            150.2898  AUD
 Rio Tinto Limited ordinary  Sale                    598                            150.2718  AUD
 Rio Tinto Limited ordinary  Sale                    293                            149.9107  AUD
 Rio Tinto Limited ordinary  Sale                    261                            150.1000  AUD
 Rio Tinto Limited ordinary  Sale                    216                            150.2900  AUD
 Rio Tinto Limited ordinary  Sale                    120                            150.3000  AUD
 Rio Tinto Limited ordinary  Sale                    116                            150.2550  AUD
 Rio Tinto Limited ordinary  Sale                    105                            150.7335  AUD
 Rio Tinto Limited ordinary  Sale                    54                             150.4150  AUD
 Rio Tinto Limited ordinary  Sale                    52                             150.2916  AUD
 Rio Tinto Limited ordinary  Sale                    36                             150.1200  AUD
 Rio Tinto Limited ordinary  Sale                    34                             150.0950  AUD
 Rio Tinto Limited ordinary  Sale                    4                              150.0700  AUD
 Rio Tinto Limited ordinary  Sale                    4                              150.4194  AUD
 Rio Tinto plc 10p ordinary  Sale                    223,031                        66.3014  GBP
 Rio Tinto plc 10p ordinary  Sale                    206,272                        66.0265  GBP
 ADR                         Sale                    112,567                        89.0464  USD
 Rio Tinto plc 10p ordinary  Sale                    69,834                         66.4100  GBP
 Rio Tinto plc 10p ordinary  Sale                    45,885                         66.3123  GBP
 Rio Tinto plc 10p ordinary  Sale                    43,635                         66.1618  GBP
 Rio Tinto plc 10p ordinary  Sale                    36,802                         65.4362  GBP
 Rio Tinto plc 10p ordinary  Sale                    35,382                         65.8909  GBP
 Rio Tinto plc 10p ordinary  Sale                    34,555                         66.4022  GBP
 Rio Tinto plc 10p ordinary  Sale                    33,432                         66.1548  GBP
 Rio Tinto plc 10p ordinary  Sale                    28,103                         66.4087  GBP
 ADR                         Sale                    25,909                         89.0077  USD
 ADR                         Sale                    23,398                         88.8400  USD
 Rio Tinto plc 10p ordinary  Sale                    23,278                         66.1409  GBP
 Rio Tinto plc 10p ordinary  Sale                    22,511                         66.1474  GBP
 Rio Tinto plc 10p ordinary  Sale                    22,395                         66.3342  GBP
 ADR                         Sale                    21,817                         88.8744  USD
 Rio Tinto plc 10p ordinary  Sale                    21,422                         66.2500  GBP
 Rio Tinto plc 10p ordinary  Sale                    20,753                         66.6900  GBP
 Rio Tinto plc 10p ordinary  Sale                    19,079                         66.3001  GBP
 Rio Tinto plc 10p ordinary  Sale                    19,000                         66.5100  GBP
 Rio Tinto plc 10p ordinary  Sale                    18,489                         66.2322  GBP
 Rio Tinto plc 10p ordinary  Sale                    18,185                         66.2141  GBP
 Rio Tinto plc 10p ordinary  Sale                    17,634                         65.8421  GBP
 Rio Tinto plc 10p ordinary  Sale                    15,999                         66.0600  GBP
 ADR                         Sale                    15,777                         88.8898  USD
 ADR                         Sale                    15,004                         89.0478  USD
 ADR                         Sale                    14,677                         89.0094  USD
 Rio Tinto plc 10p ordinary  Sale                    13,504                         66.1447  GBP
 ADR                         Sale                    12,680                         89.6135  USD
 Rio Tinto plc 10p ordinary  Sale                    11,911                         66.2464  GBP
 Rio Tinto plc 10p ordinary  Sale                    11,842                         66.0523  GBP
 ADR                         Sale                    11,603                         89.0572  USD
 ADR                         Sale                    11,442                         89.5000  USD
 Rio Tinto plc 10p ordinary  Sale                    9,884                          66.2013  GBP
 ADR                         Sale                    9,104                          89.0484  USD
 Rio Tinto plc 10p ordinary  Sale                    8,905                          66.1855  GBP
 Rio Tinto plc 10p ordinary  Sale                    8,585                          66.1239  GBP
 Rio Tinto plc 10p ordinary  Sale                    8,569                          66.2757  GBP
 Rio Tinto plc 10p ordinary  Sale                    8,421                          66.1352  GBP
 Rio Tinto plc 10p ordinary  Sale                    7,987                          66.4054  GBP
 Rio Tinto plc 10p ordinary  Sale                    7,671                          66.1306  GBP
 Rio Tinto plc 10p ordinary  Sale                    7,100                          65.9171  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,730                          65.2022  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,442                          66.2950  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,154                          66.1240  GBP
 ADR                         Sale                    6,053                          89.0751  USD
 Rio Tinto plc 10p ordinary  Sale                    5,999                          66.1811  GBP
 ADR                         Sale                    5,838                          89.1163  USD
 ADR                         Sale                    5,816                          88.9574  USD
 Rio Tinto plc 10p ordinary  Sale                    5,640                          66.0312  GBP
 Rio Tinto plc 10p ordinary  Sale                    5,600                          65.9687  GBP
 Rio Tinto plc 10p ordinary  Sale                    5,252                          66.2748  GBP
 Rio Tinto plc 10p ordinary  Sale                    5,022                          65.7040  GBP
 ADR                         Sale                    4,600                          88.8354  USD
 Rio Tinto plc 10p ordinary  Sale                    4,174                          66.2654  GBP
 Rio Tinto plc 10p ordinary  Sale                    4,170                          66.1288  GBP
 ADR                         Sale                    4,162                          88.8702  USD
 Rio Tinto plc 10p ordinary  Sale                    3,917                          65.9211  GBP
 ADR                         Sale                    3,908                          88.8579  USD
 Rio Tinto plc 10p ordinary  Sale                    3,893                          66.3829  GBP
 Rio Tinto plc 10p ordinary  Sale                    3,560                          65.8822  GBP
 Rio Tinto plc 10p ordinary  Sale                    3,300                          66.2349  GBP
 ADR                         Sale                    3,092                          88.8976  USD
 Rio Tinto plc 10p ordinary  Sale                    2,970                          66.3279  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,367                          66.1487  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,310                          66.0496  GBP
 ADR                         Sale                    2,303                          88.8858  USD
 Rio Tinto plc 10p ordinary  Sale                    2,214                          66.2507  GBP
 ADR                         Sale                    2,203                          89.0035  USD
 Rio Tinto plc 10p ordinary  Sale                    2,187                          66.1967  GBP
 ADR                         Sale                    1,960                          89.0497  USD
 Rio Tinto plc 10p ordinary  Sale                    1,927                          75.6757  EUR
 Rio Tinto plc 10p ordinary  Sale                    1,906                          66.1371  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,711                          66.5466  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,674                          66.1336  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,652                          66.4066  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,568                          64.9636  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,547                          66.2634  GBP
 ADR                         Sale                    1,500                          89.2266  USD
 Rio Tinto plc 10p ordinary  Sale                    1,465                          66.5500  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,416                          66.1206  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,415                          66.1719  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,405                          75.9183  EUR
 ADR                         Sale                    1,360                          88.9273  USD
 Rio Tinto plc 10p ordinary  Sale                    1,346                          66.0760  GBP
 ADR                         Sale                    1,298                          88.8394  USD
 ADR                         Sale                    1,221                          88.9086  USD
 ADR                         Sale                    1,208                          89.0300  USD
 Rio Tinto plc 10p ordinary  Sale                    1,176                          66.3761  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,117                          66.0396  GBP
 ADR                         Sale                    1,100                          88.8154  USD
 Rio Tinto plc 10p ordinary  Sale                    1,030                          66.2368  GBP
 ADR                         Sale                    1,029                          89.5026  USD
 ADR                         Sale                    1,000                          88.8210  USD
 ADR                         Sale                    985                            88.8868  USD
 ADR                         Sale                    971                            88.8208  USD
 ADR                         Sale                    909                            88.8200  USD
 Rio Tinto plc 10p ordinary  Sale                    908                            66.3670  GBP
 Rio Tinto plc 10p ordinary  Sale                    832                            66.1697  GBP
 ADR                         Sale                    825                            88.9967  USD
 ADR                         Sale                    818                            88.9130  USD
 Rio Tinto plc 10p ordinary  Sale                    788                            66.1391  GBP
 Rio Tinto plc 10p ordinary  Sale                    770                            66.0951  GBP
 Rio Tinto plc 10p ordinary  Sale                    761                            66.1014  GBP
 ADR                         Sale                    733                            88.9280  USD
 Rio Tinto plc 10p ordinary  Sale                    727                            65.9392  GBP
 ADR                         Sale                    700                            88.8000  USD
 Rio Tinto plc 10p ordinary  Sale                    683                            66.2150  GBP
 Rio Tinto plc 10p ordinary  Sale                    681                            66.3641  GBP
 Rio Tinto plc 10p ordinary  Sale                    641                            66.3414  GBP
 Rio Tinto plc 10p ordinary  Sale                    638                            66.0800  GBP
 ADR                         Sale                    631                            88.9146  USD
 ADR                         Sale                    629                            88.8670  USD
 Rio Tinto plc 10p ordinary  Sale                    625                            65.9100  GBP
 Rio Tinto plc 10p ordinary  Sale                    574                            66.1175  GBP
 Rio Tinto plc 10p ordinary  Sale                    539                            66.1524  GBP
 Rio Tinto plc 10p ordinary  Sale                    530                            65.9261  GBP
 Rio Tinto plc 10p ordinary  Sale                    525                            66.1445  GBP
 Rio Tinto plc 10p ordinary  Sale                    506                            66.4700  GBP
 Rio Tinto plc 10p ordinary  Sale                    506                            66.4600  GBP
 ADR                         Sale                    500                            88.7900  USD
 ADR                         Sale                    500                            88.8300  USD
 ADR                         Sale                    500                            89.4180  USD
 ADR                         Sale                    500                            88.8250  USD
 ADR                         Sale                    490                            88.8591  USD
 Rio Tinto plc 10p ordinary  Sale                    465                            66.1348  GBP
 Rio Tinto plc 10p ordinary  Sale                    440                            66.4800  GBP
 Rio Tinto plc 10p ordinary  Sale                    417                            66.6600  GBP
 Rio Tinto plc 10p ordinary  Sale                    408                            66.3600  GBP
 Rio Tinto plc 10p ordinary  Sale                    405                            66.2022  GBP
 Rio Tinto plc 10p ordinary  Sale                    403                            66.2317  GBP
 ADR                         Sale                    400                            88.8050  USD
 ADR                         Sale                    400                            88.8100  USD
 ADR                         Sale                    400                            88.8362  USD
 Rio Tinto plc 10p ordinary  Sale                    392                            51.5974  GBP
 Rio Tinto plc 10p ordinary  Sale                    364                            66.3003  GBP
 Rio Tinto plc 10p ordinary  Sale                    361                            65.9600  GBP
 Rio Tinto plc 10p ordinary  Sale                    360                            65.8200  GBP
 Rio Tinto plc 10p ordinary  Sale                    352                            66.3226  GBP
 ADR                         Sale                    350                            89.6436  USD
 ADR                         Sale                    350                            89.6435  USD
 Rio Tinto plc 10p ordinary  Sale                    346                            66.1100  GBP
 Rio Tinto plc 10p ordinary  Sale                    342                            66.1683  GBP
 Rio Tinto plc 10p ordinary  Sale                    325                            65.8438  GBP
 Rio Tinto plc 10p ordinary  Sale                    314                            65.2900  GBP
 Rio Tinto plc 10p ordinary  Sale                    305                            66.1300  GBP
 ADR                         Sale                    301                            89.1100  USD
 ADR                         Sale                    300                            88.8316  USD
 ADR                         Sale                    300                            88.9300  USD
 Rio Tinto plc 10p ordinary  Sale                    292                            66.1072  GBP
 Rio Tinto plc 10p ordinary  Sale                    291                            66.0900  GBP
 Rio Tinto plc 10p ordinary  Sale                    270                            64.7406  GBP
 ADR                         Sale                    260                            88.9661  USD
 Rio Tinto plc 10p ordinary  Sale                    251                            65.8500  GBP
 Rio Tinto plc 10p ordinary  Sale                    237                            66.2049  GBP
 Rio Tinto plc 10p ordinary  Sale                    222                            65.8300  GBP
 ADR                         Sale                    220                            89.1368  USD
 ADR                         Sale                    209                            88.8546  USD
 ADR                         Sale                    200                            88.9150  USD
 ADR                         Sale                    200                            88.8350  USD
 ADR                         Sale                    200                            89.4425  USD
 ADR                         Sale                    200                            88.8900  USD
 Rio Tinto plc 10p ordinary  Sale                    200                            66.2300  GBP
 ADR                         Sale                    200                            88.8850  USD
 ADR                         Sale                    200                            89.1350  USD
 ADR                         Sale                    200                            88.7850  USD
 ADR                         Sale                    200                            88.8500  USD
 ADR                         Sale                    200                            88.9400  USD
 ADR                         Sale                    200                            88.9000  USD
 Rio Tinto plc 10p ordinary  Sale                    192                            65.8294  GBP
 Rio Tinto plc 10p ordinary  Sale                    184                            66.5000  GBP
 Rio Tinto plc 10p ordinary  Sale                    184                            66.4500  GBP
 Rio Tinto plc 10p ordinary  Sale                    182                            66.0100  GBP
 Rio Tinto plc 10p ordinary  Sale                    180                            66.2620  GBP
 Rio Tinto plc 10p ordinary  Sale                    179                            66.2000  GBP
 Rio Tinto plc 10p ordinary  Sale                    174                            66.3644  GBP
 Rio Tinto plc 10p ordinary  Sale                    160                            65.7750  GBP
 ADR                         Sale                    160                            88.8290  USD
 Rio Tinto plc 10p ordinary  Sale                    158                            65.8447  GBP
 Rio Tinto plc 10p ordinary  Sale                    155                            66.1700  GBP
 Rio Tinto plc 10p ordinary  Sale                    154                            65.5900  GBP
 Rio Tinto plc 10p ordinary  Sale                    149                            66.3283  GBP
 Rio Tinto plc 10p ordinary  Sale                    148                            66.1450  GBP
 Rio Tinto plc 10p ordinary  Sale                    146                            65.9900  GBP
 ADR                         Sale                    140                            89.0000  USD
 ADR                         Sale                    130                            88.8883  USD
 Rio Tinto plc 10p ordinary  Sale                    122                            66.1027  GBP
 Rio Tinto plc 10p ordinary  Sale                    122                            66.2100  GBP
 Rio Tinto plc 10p ordinary  Sale                    121                            66.4400  GBP
 Rio Tinto plc 10p ordinary  Sale                    113                            66.2900  GBP
 Rio Tinto plc 10p ordinary  Sale                    110                            66.1400  GBP
 ADR                         Sale                    106                            88.8501  USD
 ADR                         Sale                    105                            88.8506  USD
 ADR                         Sale                    105                            88.8479  USD
 Rio Tinto plc 10p ordinary  Sale                    104                            65.3200  GBP
 Rio Tinto plc 10p ordinary  Sale                    104                            65.6800  GBP
 ADR                         Sale                    100                            89.2100  USD
 ADR                         Sale                    100                            88.9100  USD
 ADR                         Sale                    100                            89.1050  USD
 ADR                         Sale                    100                            88.8150  USD
 ADR                         Sale                    100                            88.9200  USD
 Rio Tinto plc 10p ordinary  Sale                    97                             65.9717  GBP
 Rio Tinto plc 10p ordinary  Sale                    95                             66.6200  GBP
 ADR                         Sale                    94                             88.8450  USD
 ADR                         Sale                    93                             88.8684  USD
 ADR                         Sale                    92                             88.8566  USD
 ADR                         Sale                    84                             88.8889  USD
 Rio Tinto plc 10p ordinary  Sale                    84                             66.0300  GBP
 ADR                         Sale                    83                             88.8623  USD
 Rio Tinto plc 10p ordinary  Sale                    80                             65.9300  GBP
 ADR                         Sale                    80                             88.8881  USD
 ADR                         Sale                    79                             88.8785  USD
 ADR                         Sale                    79                             88.8712  USD
 ADR                         Sale                    76                             88.8751  USD
 ADR                         Sale                    76                             88.8841  USD
 ADR                         Sale                    70                             88.8674  USD
 Rio Tinto plc 10p ordinary  Sale                    68                             65.8100  GBP
 Rio Tinto plc 10p ordinary  Sale                    68                             66.2350  GBP
 Rio Tinto plc 10p ordinary  Sale                    64                             66.1200  GBP
 ADR                         Sale                    59                             88.8789  USD
 Rio Tinto plc 10p ordinary  Sale                    59                             65.6100  GBP
 Rio Tinto plc 10p ordinary  Sale                    56                             66.4900  GBP
 Rio Tinto plc 10p ordinary  Sale                    51                             66.1000  GBP
 ADR                         Sale                    50                             88.8847  USD
 ADR                         Sale                    49                             88.8827  USD
 Rio Tinto plc 10p ordinary  Sale                    48                             65.2050  GBP
 ADR                         Sale                    48                             89.3000  USD
 Rio Tinto plc 10p ordinary  Sale                    46                             66.1600  GBP
 ADR                         Sale                    43                             88.8893  USD
 Rio Tinto plc 10p ordinary  Sale                    43                             64.1588  GBP
 Rio Tinto plc 10p ordinary  Sale                    40                             66.1900  GBP
 ADR                         Sale                    40                             88.8946  USD
 Rio Tinto plc 10p ordinary  Sale                    39                             65.8800  GBP
 Rio Tinto plc 10p ordinary  Sale                    38                             66.2700  GBP
 ADR                         Sale                    38                             88.8826  USD
 ADR                         Sale                    37                             88.9036  USD
 ADR                         Sale                    37                             88.8908  USD
 ADR                         Sale                    37                             88.9028  USD
 Rio Tinto plc 10p ordinary  Sale                    35                             66.5800  GBP
 ADR                         Sale                    33                             88.8879  USD
 Rio Tinto plc 10p ordinary  Sale                    31                             65.5700  GBP
 Rio Tinto plc 10p ordinary  Sale                    28                             66.7500  GBP
 Rio Tinto plc 10p ordinary  Sale                    28                             66.2600  GBP
 ADR                         Sale                    26                             88.8987  USD
 Rio Tinto plc 10p ordinary  Sale                    25                             66.3500  GBP
 Rio Tinto plc 10p ordinary  Sale                    23                             66.3350  GBP
 Rio Tinto plc 10p ordinary  Sale                    22                             66.3000  GBP
 ADR                         Sale                    20                             89.0200  USD
 ADR                         Sale                    19                             89.6200  USD
 Rio Tinto plc 10p ordinary  Sale                    16                             64.6200  GBP
 ADR                         Sale                    13                             88.8862  USD
 ADR                         Sale                    11                             88.9124  USD
 ADR                         Sale                    9                              89.1700  USD
 Rio Tinto plc 10p ordinary  Sale                    8                              66.4950  GBP
 ADR                         Sale                    7                              88.8026  USD
 ADR                         Sale                    6                              88.9438  USD
 ADR                         Sale                    5                              88.9427  USD
 Rio Tinto plc 10p ordinary  Sale                    5                              66.1800  GBP
 ADR                         Sale                    2                              89.7365  USD
 ADR                         Sale                    1                              88.9250  USD
 Rio Tinto plc 10p ordinary  Sale                    1                              66.7100  GBP
 ADR                         Sale                    1                              88.9051  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                    Increasing Short               52                      149.5067  AUD
 Rio Tinto Limited ordinary  SWAP                    Increasing Short               8,352                   149.6805  AUD
 Rio Tinto Limited ordinary  CFD                     Decreasing Long                5,974                   148.0522  AUD
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               431                     66.3644  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                12,448                  64.0800  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                2,726                   64.8456  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                11,513                  65.6423  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                75                      65.8544  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                151                     65.8679  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                56,785                  65.8859  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                450                     65.9097  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                12,156                  65.9102  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                12,230                  65.9115  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                6,515                   66.0166  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                5,913                   66.0202  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                1,263                   66.0396  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                127,080                 66.0761  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                155,372                 66.0834  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                80                      66.0979  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                324                     66.1359  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                308                     66.1448  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                66                      66.1478  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                65                      66.1501  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                589                     66.1683  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                5,340                   66.1775  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                65,174                  66.1804  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                16,404                  66.1869  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                748                     66.1884  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                2,948                   66.1888  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                30                      66.1900  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                120                     66.1904  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                14,711                  66.2050  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                18,316                  66.2117  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                12,026                  66.2159  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                123                     66.2166  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                223                     66.2181  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                1,144                   66.2304  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                9,992                   66.2314  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                62                      66.2429  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                275                     66.2436  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                27                      66.2439  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                115                     66.2443  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                95                      66.2469  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                15,059                  66.2484  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                104                     66.2559  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                4,169                   66.2595  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                253                     66.2667  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                31                      66.2900  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                105                     66.2921  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                9,126                   66.2925  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                30                      66.2959  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                2,360                   66.2977  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                5                       66.3032  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                260                     66.3095  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                30,419                  66.3286  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Opening Short                  13,240                  66.3522  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               2,831                   66.3555  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               204                     66.3589  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               30                      66.3801  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               736                     66.3876  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               734                     66.3883  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               51,258                  66.4087  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               4,876                   66.4100  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               52,330                  66.4112  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               231                     66.4256  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               360                     66.4866  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               28                      66.5400  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               11,862                  75.8897  EUR
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               817                     76.2019  EUR
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               26                      76.2200  EUR
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               1,265                   65.0302  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               16,962                  65.5674  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               414                     65.9254  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               4,288                   66.2154  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               2,815                   66.4100  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               337                     75.0149  EUR
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               4,492                   75.6682  EUR
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               42                      76.2200  EUR
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               65,329                  66.2704  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Opening Short                  10,800                  89.5050  USD

 (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
 Rio Tinto plc 10p ordinary  Call Options            Purchased                      428783                  51.5974      European     08 Jan 2027

 (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:                                                                                        22 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 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                        -540,056                76.5331      European     14 Jan 2027
 Rio Tinto plc ADR           Call Options            Written                        -403,634                73.2443      European     15 Jan 2027
 Rio Tinto plc ADR           Put Options             Written                        30,000                  48.0000      American     15 Jan 2027
 Rio Tinto plc 10p ordinary  Call Options            Written                        -142,508                57.9288      European     20 Oct 2026

 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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