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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 : 4143Q  Barclays PLC  26 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:                                         23 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:                                                           8,787,736    0.70%        8,490,848    0.67%
 (2) Cash-settled derivatives:                                                                              4,042,091    0.32%        4,357,285    0.35%
 (3) Stock-settled derivatives (including options) and agreements to                                        31,000       0.00%        143,408      0.01%
 purchase/sell:
                                                                                                            12,860,827   1.02%        12,991,541   1.03%

 TOTAL:

 

 Class of relevant security:                                                                                Rio Tinto Limited ordinary
                                                                                                            Interests                 Short Positions
                             Number                  (%)                            Number                  (%)
 (1) Relevant securities owned and/or controlled:                                                           891,741      0.24%        1,078,119    0.29%
 (2) Cash-settled derivatives:                                                                              1,050,840    0.28%        779,129      0.21%
 (3) Stock-settled derivatives (including options) and agreements to                                        0            0.00%        0            0.00%
 purchase/sell:
                                                                                                            1,942,581    0.52%        1,857,248    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 plc 10p ordinary  Purchase                147,965                        65.7600  GBP
 Rio Tinto plc 10p ordinary  Purchase                140,570                        65.7384  GBP
 Rio Tinto plc 10p ordinary  Purchase                56,309                         65.7654  GBP
 ADR                         Purchase                31,255                         89.7766  USD
 Rio Tinto plc 10p ordinary  Purchase                26,333                         65.7551  GBP
 Rio Tinto plc 10p ordinary  Purchase                21,490                         65.2239  GBP
 ADR                         Purchase                19,802                         89.2883  USD
 Rio Tinto plc 10p ordinary  Purchase                19,215                         65.3402  GBP
 Rio Tinto plc 10p ordinary  Purchase                19,037                         65.3898  GBP
 ADR                         Purchase                18,985                         89.2670  USD
 Rio Tinto plc 10p ordinary  Purchase                18,596                         65.7016  GBP
 ADR                         Purchase                16,826                         90.4300  USD
 Rio Tinto plc 10p ordinary  Purchase                14,992                         65.4891  GBP
 ADR                         Purchase                13,825                         89.6164  USD
 Rio Tinto plc 10p ordinary  Purchase                13,815                         65.7239  GBP
 Rio Tinto plc 10p ordinary  Purchase                13,541                         65.3229  GBP
 Rio Tinto plc 10p ordinary  Purchase                13,479                         65.5261  GBP
 Rio Tinto plc 10p ordinary  Purchase                13,286                         65.1500  GBP
 Rio Tinto plc 10p ordinary  Purchase                10,584                         65.2629  GBP
 ADR                         Purchase                10,510                         89.5765  USD
 ADR                         Purchase                10,344                         90.3164  USD
 Rio Tinto plc 10p ordinary  Purchase                10,137                         65.2894  GBP
 ADR                         Purchase                8,889                          89.6239  USD
 ADR                         Purchase                8,853                          89.0716  USD
 Rio Tinto plc 10p ordinary  Purchase                7,644                          65.7436  GBP
 ADR                         Purchase                6,720                          90.3849  USD
 Rio Tinto plc 10p ordinary  Purchase                6,559                          65.1179  GBP
 Rio Tinto plc 10p ordinary  Purchase                6,369                          75.7777  EUR
 Rio Tinto plc 10p ordinary  Purchase                6,362                          65.7983  GBP
 ADR                         Purchase                6,241                          90.2178  USD
 Rio Tinto plc 10p ordinary  Purchase                6,020                          65.5388  GBP
 Rio Tinto plc 10p ordinary  Purchase                5,951                          65.7632  GBP
 Rio Tinto plc 10p ordinary  Purchase                5,580                          65.7566  GBP
 Rio Tinto plc 10p ordinary  Purchase                5,473                          64.8452  GBP
 Rio Tinto plc 10p ordinary  Purchase                5,312                          65.4096  GBP
 ADR                         Purchase                5,085                          90.3508  USD
 Rio Tinto plc 10p ordinary  Purchase                4,664                          65.4060  GBP
 Rio Tinto plc 10p ordinary  Purchase                4,501                          65.3176  GBP
 Rio Tinto plc 10p ordinary  Purchase                4,185                          65.5345  GBP
 Rio Tinto plc 10p ordinary  Purchase                4,175                          65.5367  GBP
 Rio Tinto plc 10p ordinary  Purchase                3,914                          65.2660  GBP
 Rio Tinto plc 10p ordinary  Purchase                3,894                          65.7731  GBP
 Rio Tinto plc 10p ordinary  Purchase                3,847                          65.4172  GBP
 Rio Tinto plc 10p ordinary  Purchase                3,697                          65.1393  GBP
 ADR                         Purchase                3,586                          90.1749  USD
 Rio Tinto plc 10p ordinary  Purchase                3,395                          65.5612  GBP
 Rio Tinto plc 10p ordinary  Purchase                3,268                          65.1599  GBP
 Rio Tinto plc 10p ordinary  Purchase                3,230                          65.6575  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,991                          65.7580  GBP
 ADR                         Purchase                2,850                          89.1015  USD
 Rio Tinto plc 10p ordinary  Purchase                2,844                          65.2105  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,171                          65.4191  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,150                          65.6550  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,145                          65.3513  GBP
 Rio Tinto plc 10p ordinary  Purchase                2,095                          65.7250  GBP
 ADR                         Purchase                2,020                          89.2092  USD
 ADR                         Purchase                1,920                          89.2648  USD
 ADR                         Purchase                1,845                          89.2495  USD
 Rio Tinto plc 10p ordinary  Purchase                1,791                          64.6795  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,613                          65.8335  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,568                          65.1802  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,542                          65.2832  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,495                          65.1820  GBP
 ADR                         Purchase                1,371                          89.2103  USD
 Rio Tinto plc 10p ordinary  Purchase                1,367                          65.6437  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,322                          75.7708  EUR
 Rio Tinto plc 10p ordinary  Purchase                1,280                          65.8341  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,257                          65.8600  GBP
 Rio Tinto plc 10p ordinary  Purchase                1,121                          65.9049  GBP
 ADR                         Purchase                1,111                          90.3854  USD
 ADR                         Purchase                1,104                          90.3017  USD
 ADR                         Purchase                972                            89.2027  USD
 Rio Tinto plc 10p ordinary  Purchase                948                            65.0153  GBP
 Rio Tinto plc 10p ordinary  Purchase                902                            65.4143  GBP
 Rio Tinto plc 10p ordinary  Purchase                900                            65.3472  GBP
 Rio Tinto plc 10p ordinary  Purchase                888                            64.6832  GBP
 ADR                         Purchase                854                            90.1397  USD
 Rio Tinto plc 10p ordinary  Purchase                767                            65.8999  GBP
 ADR                         Purchase                737                            90.3120  USD
 ADR                         Purchase                723                            89.5786  USD
 Rio Tinto plc 10p ordinary  Purchase                700                            65.3471  GBP
 Rio Tinto plc 10p ordinary  Purchase                692                            65.1147  GBP
 Rio Tinto plc 10p ordinary  Purchase                619                            65.7901  GBP
 ADR                         Purchase                613                            89.6117  USD
 Rio Tinto plc 10p ordinary  Purchase                528                            65.6445  GBP
 ADR                         Purchase                500                            90.0000  USD
 Rio Tinto plc 10p ordinary  Purchase                479                            65.6838  GBP
 Rio Tinto plc 10p ordinary  Purchase                460                            65.4041  GBP
 Rio Tinto plc 10p ordinary  Purchase                452                            65.7800  GBP
 Rio Tinto plc 10p ordinary  Purchase                448                            65.3722  GBP
 Rio Tinto plc 10p ordinary  Purchase                438                            65.6485  GBP
 Rio Tinto plc 10p ordinary  Purchase                427                            65.4684  GBP
 Rio Tinto plc 10p ordinary  Purchase                399                            65.1004  GBP
 Rio Tinto plc 10p ordinary  Purchase                351                            65.6800  GBP
 Rio Tinto plc 10p ordinary  Purchase                345                            65.4979  GBP
 ADR                         Purchase                323                            89.4197  USD
 ADR                         Purchase                300                            90.2866  USD
 Rio Tinto plc 10p ordinary  Purchase                296                            65.6861  GBP
 Rio Tinto plc 10p ordinary  Purchase                287                            65.1300  GBP
 Rio Tinto plc 10p ordinary  Purchase                279                            65.0670  GBP
 Rio Tinto plc 10p ordinary  Purchase                272                            65.7564  GBP
 Rio Tinto plc 10p ordinary  Purchase                268                            65.7399  GBP
 Rio Tinto plc 10p ordinary  Purchase                264                            65.4546  GBP
 ADR                         Purchase                242                            88.9717  USD
 Rio Tinto plc 10p ordinary  Purchase                238                            65.1006  GBP
 Rio Tinto plc 10p ordinary  Purchase                232                            65.4200  GBP
 Rio Tinto plc 10p ordinary  Purchase                229                            65.3100  GBP
 ADR                         Purchase                222                            89.7352  USD
 ADR                         Purchase                200                            90.3550  USD
 ADR                         Purchase                200                            90.3400  USD
 ADR                         Purchase                200                            90.2000  USD
 ADR                         Purchase                191                            90.2290  USD
 Rio Tinto plc 10p ordinary  Purchase                180                            65.8000  GBP
 Rio Tinto plc 10p ordinary  Purchase                175                            65.9400  GBP
 Rio Tinto plc 10p ordinary  Purchase                171                            65.7400  GBP
 Rio Tinto plc 10p ordinary  Purchase                149                            65.6195  GBP
 Rio Tinto plc 10p ordinary  Purchase                144                            65.6532  GBP
 Rio Tinto plc 10p ordinary  Purchase                143                            65.2490  GBP
 Rio Tinto plc 10p ordinary  Purchase                139                            65.0100  GBP
 Rio Tinto plc 10p ordinary  Purchase                139                            65.0000  GBP
 Rio Tinto plc 10p ordinary  Purchase                138                            65.3906  GBP
 ADR                         Purchase                137                            90.4050  USD
 Rio Tinto plc 10p ordinary  Purchase                136                            65.7738  GBP
 Rio Tinto plc 10p ordinary  Purchase                120                            76.0400  EUR
 Rio Tinto plc 10p ordinary  Purchase                120                            65.4400  GBP
 Rio Tinto plc 10p ordinary  Purchase                109                            65.6405  GBP
 Rio Tinto plc 10p ordinary  Purchase                103                            65.7700  GBP
 ADR                         Purchase                101                            90.3389  USD
 ADR                         Purchase                100                            90.3600  USD
 ADR                         Purchase                100                            90.2200  USD
 ADR                         Purchase                100                            90.2550  USD
 ADR                         Purchase                100                            90.1900  USD
 ADR                         Purchase                100                            90.2500  USD
 ADR                         Purchase                100                            90.3200  USD
 ADR                         Purchase                100                            90.3650  USD
 ADR                         Purchase                100                            89.6130  USD
 ADR                         Purchase                100                            90.2900  USD
 ADR                         Purchase                100                            90.2400  USD
 ADR                         Purchase                100                            90.3450  USD
 ADR                         Purchase                100                            90.3500  USD
 ADR                         Purchase                100                            90.3700  USD
 ADR                         Purchase                100                            90.3150  USD
 ADR                         Purchase                100                            90.3300  USD
 ADR                         Purchase                100                            89.0300  USD
 Rio Tinto plc 10p ordinary  Purchase                97                             64.8000  GBP
 Rio Tinto plc 10p ordinary  Purchase                95                             65.8300  GBP
 Rio Tinto plc 10p ordinary  Purchase                82                             64.6800  GBP
 Rio Tinto plc 10p ordinary  Purchase                74                             65.0400  GBP
 Rio Tinto plc 10p ordinary  Purchase                71                             64.7300  GBP
 Rio Tinto plc 10p ordinary  Purchase                71                             65.8400  GBP
 Rio Tinto plc 10p ordinary  Purchase                70                             65.7300  GBP
 Rio Tinto plc 10p ordinary  Purchase                67                             65.8700  GBP
 Rio Tinto plc 10p ordinary  Purchase                67                             65.6300  GBP
 Rio Tinto plc 10p ordinary  Purchase                61                             65.9500  GBP
 ADR                         Purchase                60                             89.2833  USD
 ADR                         Purchase                53                             90.3406  USD
 Rio Tinto plc 10p ordinary  Purchase                52                             65.0930  GBP
 ADR                         Purchase                50                             90.3368  USD
 Rio Tinto plc 10p ordinary  Purchase                46                             74.4400  EUR
 ADR                         Purchase                45                             90.3302  USD
 Rio Tinto plc 10p ordinary  Purchase                44                             65.1452  GBP
 ADR                         Purchase                43                             90.3236  USD
 ADR                         Purchase                41                             90.3326  USD
 ADR                         Purchase                41                             90.3197  USD
 Rio Tinto plc 10p ordinary  Purchase                38                             65.4300  GBP
 Rio Tinto plc 10p ordinary  Purchase                38                             64.6400  GBP
 ADR                         Purchase                34                             90.3037  USD
 Rio Tinto plc 10p ordinary  Purchase                32                             64.9700  GBP
 Rio Tinto plc 10p ordinary  Purchase                32                             65.6700  GBP
 Rio Tinto plc 10p ordinary  Purchase                30                             65.6400  GBP
 ADR                         Purchase                30                             90.2835  USD
 ADR                         Purchase                30                             90.3153  USD
 ADR                         Purchase                30                             90.1100  USD
 Rio Tinto plc 10p ordinary  Purchase                29                             65.8500  GBP
 ADR                         Purchase                28                             90.3023  USD
 ADR                         Purchase                27                             90.2892  USD
 ADR                         Purchase                27                             90.2697  USD
 ADR                         Purchase                27                             90.3261  USD
 Rio Tinto plc 10p ordinary  Purchase                27                             65.6600  GBP
 ADR                         Purchase                27                             90.2308  USD
 ADR                         Purchase                26                             90.3129  USD
 ADR                         Purchase                25                             90.2970  USD
 ADR                         Purchase                25                             89.2612  USD
 ADR                         Purchase                24                             90.2489  USD
 ADR                         Purchase                24                             90.3182  USD
 Rio Tinto plc 10p ordinary  Purchase                24                             65.5718  GBP
 ADR                         Purchase                24                             89.8763  USD
 ADR                         Purchase                24                             90.2917  USD
 ADR                         Purchase                23                             90.2597  USD
 ADR                         Purchase                22                             90.3199  USD
 ADR                         Purchase                21                             90.2471  USD
 ADR                         Purchase                21                             90.3188  USD
 Rio Tinto plc 10p ordinary  Purchase                18                             64.9000  GBP
 Rio Tinto plc 10p ordinary  Purchase                15                             65.6684  GBP
 Rio Tinto plc 10p ordinary  Purchase                12                             65.2700  GBP
 ADR                         Purchase                12                             89.9916  USD
 ADR                         Purchase                10                             90.1000  USD
 Rio Tinto plc 10p ordinary  Purchase                8                              65.6334  GBP
 ADR                         Purchase                5                              89.8400  USD
 Rio Tinto plc 10p ordinary  Purchase                4                              64.9400  GBP
 Rio Tinto plc 10p ordinary  Purchase                4                              65.7500  GBP
 ADR                         Purchase                3                              89.1100  USD
 Rio Tinto plc 10p ordinary  Purchase                2                              65.2250  GBP
 ADR                         Purchase                1                              90.2300  USD
 Rio Tinto Limited ordinary  Purchase                69,432                         148.2845  AUD
 Rio Tinto Limited ordinary  Purchase                4,238                          148.7201  AUD
 Rio Tinto Limited ordinary  Purchase                114                            148.4035  AUD
 Rio Tinto Limited ordinary  Purchase                88                             148.9503  AUD
 Rio Tinto Limited ordinary  Purchase                80                             148.2323  AUD
 Rio Tinto Limited ordinary  Purchase                68                             149.2284  AUD
 Rio Tinto Limited ordinary  Purchase                43                             148.4563  AUD
 Rio Tinto Limited ordinary  Purchase                15                             148.9846  AUD
 Rio Tinto Limited ordinary  Purchase                4                              148.4400  AUD
 Rio Tinto Limited ordinary  Sale                    69,789                         148.2878  AUD
 Rio Tinto Limited ordinary  Sale                    4,238                          148.7201  AUD
 Rio Tinto Limited ordinary  Sale                    2,452                          148.7095  AUD
 Rio Tinto Limited ordinary  Sale                    2,386                          149.1659  AUD
 Rio Tinto Limited ordinary  Sale                    2,345                          148.6139  AUD
 Rio Tinto Limited ordinary  Sale                    881                            148.2906  AUD
 Rio Tinto Limited ordinary  Sale                    877                            148.3655  AUD
 Rio Tinto Limited ordinary  Sale                    285                            148.7998  AUD
 Rio Tinto Limited ordinary  Sale                    240                            148.2864  AUD
 Rio Tinto Limited ordinary  Sale                    160                            148.2523  AUD
 Rio Tinto Limited ordinary  Sale                    75                             148.2486  AUD
 Rio Tinto Limited ordinary  Sale                    15                             148.2727  AUD
 Rio Tinto Limited ordinary  Sale                    3                              148.2318  AUD
 Rio Tinto Limited ordinary  Sale                    1                              148.4584  AUD
 Rio Tinto plc 10p ordinary  Sale                    242,536                        65.7600  GBP
 Rio Tinto plc 10p ordinary  Sale                    240,435                        65.7092  GBP
 Rio Tinto plc 10p ordinary  Sale                    59,611                         65.3534  GBP
 Rio Tinto plc 10p ordinary  Sale                    52,563                         65.7551  GBP
 Rio Tinto plc 10p ordinary  Sale                    52,278                         65.5651  GBP
 ADR                         Sale                    48,456                         89.2754  USD
 Rio Tinto plc 10p ordinary  Sale                    34,950                         65.5841  GBP
 ADR                         Sale                    18,591                         90.4300  USD
 Rio Tinto plc 10p ordinary  Sale                    17,223                         65.4587  GBP
 ADR                         Sale                    16,231                         90.2662  USD
 Rio Tinto plc 10p ordinary  Sale                    15,977                         64.8600  GBP
 Rio Tinto plc 10p ordinary  Sale                    15,673                         65.7119  GBP
 ADR                         Sale                    15,333                         89.6154  USD
 Rio Tinto plc 10p ordinary  Sale                    14,808                         65.8210  GBP
 Rio Tinto plc 10p ordinary  Sale                    14,498                         65.2703  GBP
 Rio Tinto plc 10p ordinary  Sale                    14,392                         64.8326  GBP
 Rio Tinto plc 10p ordinary  Sale                    12,724                         65.7983  GBP
 Rio Tinto plc 10p ordinary  Sale                    12,664                         65.6373  GBP
 ADR                         Sale                    10,907                         90.2569  USD
 Rio Tinto plc 10p ordinary  Sale                    10,667                         65.5188  GBP
 Rio Tinto plc 10p ordinary  Sale                    9,528                          65.7558  GBP
 ADR                         Sale                    8,862                          89.3533  USD
 ADR                         Sale                    8,296                          89.6734  USD
 Rio Tinto plc 10p ordinary  Sale                    8,001                          65.7041  GBP
 Rio Tinto plc 10p ordinary  Sale                    7,963                          65.7567  GBP
 Rio Tinto plc 10p ordinary  Sale                    7,935                          65.7667  GBP
 ADR                         Sale                    7,639                          89.6435  USD
 Rio Tinto plc 10p ordinary  Sale                    7,377                          65.6348  GBP
 Rio Tinto plc 10p ordinary  Sale                    7,283                          65.6655  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,881                          65.4858  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,700                          65.0625  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,618                          65.7065  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,563                          65.6879  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,559                          65.1244  GBP
 Rio Tinto plc 10p ordinary  Sale                    6,181                          65.5409  GBP
 Rio Tinto plc 10p ordinary  Sale                    5,953                          65.7621  GBP
 Rio Tinto plc 10p ordinary  Sale                    5,905                          65.7223  GBP
 Rio Tinto plc 10p ordinary  Sale                    5,310                          65.7109  GBP
 Rio Tinto plc 10p ordinary  Sale                    5,164                          65.6733  GBP
 ADR                         Sale                    5,085                          90.3508  USD
 Rio Tinto plc 10p ordinary  Sale                    5,062                          65.7795  GBP
 Rio Tinto plc 10p ordinary  Sale                    5,001                          75.4562  EUR
 Rio Tinto plc 10p ordinary  Sale                    4,951                          65.3966  GBP
 Rio Tinto plc 10p ordinary  Sale                    4,846                          65.7595  GBP
 Rio Tinto plc 10p ordinary  Sale                    4,768                          65.6601  GBP
 Rio Tinto plc 10p ordinary  Sale                    4,658                          65.4956  GBP
 ADR                         Sale                    4,502                          89.2468  USD
 Rio Tinto plc 10p ordinary  Sale                    4,190                          65.7250  GBP
 Rio Tinto plc 10p ordinary  Sale                    3,951                          65.3312  GBP
 Rio Tinto plc 10p ordinary  Sale                    3,917                          65.6275  GBP
 ADR                         Sale                    3,912                          88.8819  USD
 Rio Tinto plc 10p ordinary  Sale                    3,892                          65.7933  GBP
 ADR                         Sale                    3,844                          89.8122  USD
 ADR                         Sale                    3,681                          90.4152  USD
 ADR                         Sale                    3,625                          89.4328  USD
 ADR                         Sale                    3,586                          90.1749  USD
 ADR                         Sale                    3,553                          90.3284  USD
 Rio Tinto plc 10p ordinary  Sale                    3,441                          65.5997  GBP
 Rio Tinto plc 10p ordinary  Sale                    3,301                          65.6313  GBP
 Rio Tinto plc 10p ordinary  Sale                    3,226                          65.8335  GBP
 Rio Tinto plc 10p ordinary  Sale                    3,200                          65.1815  GBP
 Rio Tinto plc 10p ordinary  Sale                    3,184                          65.8286  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,445                          65.7100  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,323                          65.7799  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,213                          65.6692  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,137                          65.6801  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,079                          64.6862  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,000                          64.6813  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,000                          64.6633  GBP
 Rio Tinto plc 10p ordinary  Sale                    2,000                          64.7760  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,751                          65.5004  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,603                          65.7418  GBP
 ADR                         Sale                    1,573                          90.3513  USD
 Rio Tinto plc 10p ordinary  Sale                    1,504                          65.6811  GBP
 ADR                         Sale                    1,444                          73.2443  USD
 Rio Tinto plc 10p ordinary  Sale                    1,435                          65.6938  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,361                          65.5200  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,321                          65.6285  GBP
 ADR                         Sale                    1,310                          89.5982  USD
 Rio Tinto plc 10p ordinary  Sale                    1,255                          65.3183  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,187                          65.7505  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,151                          65.7452  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,150                          65.6869  GBP
 Rio Tinto plc 10p ordinary  Sale                    1,059                          65.5756  GBP
 ADR                         Sale                    1,010                          89.2092  USD
 Rio Tinto plc 10p ordinary  Sale                    958                            65.6838  GBP
 ADR                         Sale                    954                            90.3650  USD
 ADR                         Sale                    950                            76.5331  USD
 ADR                         Sale                    950                            89.2469  USD
 Rio Tinto plc 10p ordinary  Sale                    915                            65.8460  GBP
 Rio Tinto plc 10p ordinary  Sale                    904                            65.7800  GBP
 Rio Tinto plc 10p ordinary  Sale                    862                            65.6336  GBP
 Rio Tinto plc 10p ordinary  Sale                    861                            65.9600  GBP
 ADR                         Sale                    827                            90.3429  USD
 Rio Tinto plc 10p ordinary  Sale                    800                            65.6750  GBP
 Rio Tinto plc 10p ordinary  Sale                    793                            66.0024  GBP
 Rio Tinto plc 10p ordinary  Sale                    752                            65.5898  GBP
 ADR                         Sale                    700                            89.5294  USD
 ADR                         Sale                    700                            90.3500  USD
 ADR                         Sale                    673                            89.2289  USD
 Rio Tinto plc 10p ordinary  Sale                    671                            65.6855  GBP
 Rio Tinto plc 10p ordinary  Sale                    652                            65.6535  GBP
 Rio Tinto plc 10p ordinary  Sale                    639                            65.6730  GBP
 ADR                         Sale                    627                            89.2992  USD
 ADR                         Sale                    575                            89.6548  USD
 Rio Tinto plc 10p ordinary  Sale                    560                            65.5026  GBP
 Rio Tinto plc 10p ordinary  Sale                    507                            65.6307  GBP
 ADR                         Sale                    503                            90.3574  USD
 ADR                         Sale                    502                            89.9920  USD
 ADR                         Sale                    500                            90.3600  USD
 ADR                         Sale                    500                            90.0000  USD
 ADR                         Sale                    500                            90.3550  USD
 ADR                         Sale                    500                            90.3200  USD
 Rio Tinto plc 10p ordinary  Sale                    470                            65.7476  GBP
 Rio Tinto plc 10p ordinary  Sale                    438                            65.6551  GBP
 Rio Tinto plc 10p ordinary  Sale                    436                            65.7321  GBP
 Rio Tinto plc 10p ordinary  Sale                    426                            64.6400  GBP
 Rio Tinto plc 10p ordinary  Sale                    404                            65.6300  GBP
 ADR                         Sale                    400                            90.3275  USD
 Rio Tinto plc 10p ordinary  Sale                    379                            65.6634  GBP
 Rio Tinto plc 10p ordinary  Sale                    356                            65.6438  GBP
 Rio Tinto plc 10p ordinary  Sale                    351                            65.6800  GBP
 ADR                         Sale                    342                            89.1700  USD
 Rio Tinto plc 10p ordinary  Sale                    331                            65.6813  GBP
 ADR                         Sale                    323                            89.4197  USD
 Rio Tinto plc 10p ordinary  Sale                    320                            65.6827  GBP
 Rio Tinto plc 10p ordinary  Sale                    317                            65.0216  GBP
 Rio Tinto plc 10p ordinary  Sale                    307                            64.6700  GBP
 ADR                         Sale                    300                            90.3100  USD
 ADR                         Sale                    294                            89.2258  USD
 Rio Tinto plc 10p ordinary  Sale                    288                            65.7400  GBP
 Rio Tinto plc 10p ordinary  Sale                    278                            65.5569  GBP
 ADR                         Sale                    250                            88.9000  USD
 ADR                         Sale                    242                            88.9717  USD
 Rio Tinto plc 10p ordinary  Sale                    231                            65.3982  GBP
 ADR                         Sale                    223                            89.4990  USD
 ADR                         Sale                    210                            89.0990  USD
 ADR                         Sale                    205                            90.3700  USD
 ADR                         Sale                    200                            90.3300  USD
 ADR                         Sale                    200                            89.6130  USD
 ADR                         Sale                    190                            89.6468  USD
 Rio Tinto plc 10p ordinary  Sale                    180                            65.8000  GBP
 ADR                         Sale                    170                            89.6638  USD
 Rio Tinto plc 10p ordinary  Sale                    169                            75.7200  EUR
 ADR                         Sale                    167                            89.9314  USD
 ADR                         Sale                    166                            90.3778  USD
 ADR                         Sale                    166                            90.4050  USD
 Rio Tinto plc 10p ordinary  Sale                    151                            65.9136  GBP
 Rio Tinto plc 10p ordinary  Sale                    120                            76.0400  EUR
 Rio Tinto plc 10p ordinary  Sale                    120                            65.4400  GBP
 Rio Tinto plc 10p ordinary  Sale                    119                            65.8100  GBP
 Rio Tinto plc 10p ordinary  Sale                    119                            65.6570  GBP
 Rio Tinto plc 10p ordinary  Sale                    113                            65.6400  GBP
 Rio Tinto plc 10p ordinary  Sale                    110                            74.7530  EUR
 Rio Tinto plc 10p ordinary  Sale                    109                            65.6470  GBP
 ADR                         Sale                    105                            89.0300  USD
 ADR                         Sale                    105                            89.9100  USD
 Rio Tinto plc 10p ordinary  Sale                    103                            65.7700  GBP
 ADR                         Sale                    100                            90.2950  USD
 ADR                         Sale                    100                            90.2900  USD
 ADR                         Sale                    100                            89.9600  USD
 ADR                         Sale                    100                            90.3400  USD
 ADR                         Sale                    100                            90.3350  USD
 ADR                         Sale                    100                            90.3450  USD
 ADR                         Sale                    100                            90.3050  USD
 Rio Tinto plc 10p ordinary  Sale                    97                             64.8000  GBP
 Rio Tinto plc 10p ordinary  Sale                    95                             65.8300  GBP
 ADR                         Sale                    83                             90.4100  USD
 Rio Tinto plc 10p ordinary  Sale                    83                             65.9358  GBP
 Rio Tinto plc 10p ordinary  Sale                    80                             65.8600  GBP
 ADR                         Sale                    70                             89.5981  USD
 Rio Tinto plc 10p ordinary  Sale                    70                             65.7300  GBP
 Rio Tinto plc 10p ordinary  Sale                    67                             65.8700  GBP
 Rio Tinto plc 10p ordinary  Sale                    64                             65.7322  GBP
 Rio Tinto plc 10p ordinary  Sale                    61                             65.9500  GBP
 Rio Tinto plc 10p ordinary  Sale                    46                             74.4400  EUR
 ADR                         Sale                    45                             88.9600  USD
 ADR                         Sale                    43                             90.3325  USD
 Rio Tinto plc 10p ordinary  Sale                    38                             64.6000  GBP
 Rio Tinto plc 10p ordinary  Sale                    38                             65.4365  GBP
 ADR                         Sale                    35                             89.2985  USD
 Rio Tinto plc 10p ordinary  Sale                    34                             65.7511  GBP
 Rio Tinto plc 10p ordinary  Sale                    32                             64.9700  GBP
 ADR                         Sale                    30                             89.0100  USD
 Rio Tinto plc 10p ordinary  Sale                    29                             65.6100  GBP
 Rio Tinto plc 10p ordinary  Sale                    27                             65.6600  GBP
 Rio Tinto plc 10p ordinary  Sale                    27                             65.8909  GBP
 ADR                         Sale                    25                             90.1000  USD
 ADR                         Sale                    25                             89.5700  USD
 ADR                         Sale                    25                             89.7600  USD
 ADR                         Sale                    25                             89.0000  USD
 ADR                         Sale                    24                             89.8763  USD
 ADR                         Sale                    20                             89.0600  USD
 ADR                         Sale                    20                             89.9300  USD
 ADR                         Sale                    20                             89.4625  USD
 ADR                         Sale                    20                             89.8300  USD
 ADR                         Sale                    20                             89.5500  USD
 ADR                         Sale                    19                             89.0900  USD
 Rio Tinto plc 10p ordinary  Sale                    18                             64.9000  GBP
 ADR                         Sale                    15                             90.0900  USD
 ADR                         Sale                    15                             89.2400  USD
 ADR                         Sale                    15                             89.9800  USD
 ADR                         Sale                    15                             88.9900  USD
 ADR                         Sale                    15                             89.9500  USD
 ADR                         Sale                    15                             90.0700  USD
 ADR                         Sale                    15                             88.9300  USD
 ADR                         Sale                    15                             89.5100  USD
 ADR                         Sale                    15                             89.9700  USD
 ADR                         Sale                    15                             89.7800  USD
 ADR                         Sale                    15                             90.2400  USD
 ADR                         Sale                    15                             90.0100  USD
 Rio Tinto plc 10p ordinary  Sale                    12                             65.2700  GBP
 Rio Tinto plc 10p ordinary  Sale                    12                             65.7547  GBP
 ADR                         Sale                    10                             89.4700  USD
 ADR                         Sale                    10                             89.6500  USD
 ADR                         Sale                    10                             89.1400  USD
 ADR                         Sale                    10                             89.6900  USD
 ADR                         Sale                    10                             90.3000  USD
 ADR                         Sale                    10                             89.0400  USD
 ADR                         Sale                    10                             88.9800  USD
 ADR                         Sale                    10                             89.4000  USD
 ADR                         Sale                    10                             89.4600  USD
 ADR                         Sale                    10                             89.5350  USD
 ADR                         Sale                    10                             90.2000  USD
 ADR                         Sale                    10                             89.5200  USD
 ADR                         Sale                    10                             89.0800  USD
 ADR                         Sale                    10                             90.0500  USD
 ADR                         Sale                    10                             89.0200  USD
 Rio Tinto plc 10p ordinary  Sale                    9                              65.2400  GBP
 ADR                         Sale                    5                              89.8900  USD
 ADR                         Sale                    5                              89.3700  USD
 ADR                         Sale                    5                              89.7400  USD
 ADR                         Sale                    5                              89.2100  USD
 ADR                         Sale                    5                              89.8859  USD
 ADR                         Sale                    5                              90.1600  USD
 ADR                         Sale                    5                              89.0700  USD
 ADR                         Sale                    5                              89.8500  USD
 ADR                         Sale                    5                              89.4300  USD
 ADR                         Sale                    5                              89.4400  USD
 ADR                         Sale                    5                              89.0500  USD
 ADR                         Sale                    5                              89.7100  USD
 ADR                         Sale                    5                              89.1500  USD
 ADR                         Sale                    5                              89.6700  USD
 ADR                         Sale                    5                              89.2000  USD
 ADR                         Sale                    5                              89.5000  USD
 ADR                         Sale                    5                              89.9900  USD
 ADR                         Sale                    5                              90.1900  USD
 ADR                         Sale                    5                              89.5800  USD
 ADR                         Sale                    5                              90.0400  USD
 ADR                         Sale                    5                              89.8700  USD
 ADR                         Sale                    5                              89.3900  USD
 ADR                         Sale                    5                              89.6000  USD
 ADR                         Sale                    5                              90.0200  USD
 ADR                         Sale                    5                              89.3500  USD
 ADR                         Sale                    5                              90.2700  USD
 ADR                         Sale                    5                              89.1100  USD
 ADR                         Sale                    5                              89.9000  USD
 ADR                         Sale                    5                              89.4900  USD
 ADR                         Sale                    5                              89.5400  USD
 ADR                         Sale                    5                              89.3400  USD
 ADR                         Sale                    5                              90.0800  USD
 ADR                         Sale                    5                              89.1200  USD
 ADR                         Sale                    5                              89.7000  USD
 Rio Tinto plc 10p ordinary  Sale                    2                              65.2250  GBP
 ADR                         Sale                    1                              90.0066  USD
 ADR                         Sale                    1                              89.7974  USD
 ADR                         Sale                    1                              89.8100  USD
 ADR                         Sale                    1                              89.8217  USD
 ADR                         Sale                    1                              89.8278  USD
 ADR                         Sale                    1                              89.9760  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               75                      148.2486  AUD
 Rio Tinto Limited ordinary  SWAP                    Decreasing Short               160                     148.2494  AUD
 Rio Tinto Limited ordinary  SWAP                    Decreasing Short               15                      148.2725  AUD
 Rio Tinto Limited ordinary  SWAP                    Decreasing Short               240                     148.2864  AUD
 Rio Tinto Limited ordinary  SWAP                    Decreasing Short               4                       148.3000  AUD
 Rio Tinto Limited ordinary  SWAP                    Decreasing Short               2,345                   148.6139  AUD
 Rio Tinto Limited ordinary  SWAP                    Increasing Short               43                      148.4448  AUD
 Rio Tinto Limited ordinary  SWAP                    Increasing Short               4                       148.4548  AUD
 Rio Tinto Limited ordinary  CFD                     Increasing Long                68,848                  148.5675  AUD
 Rio Tinto Limited ordinary  CFD                     Increasing Long                357                     148.9102  AUD
 Rio Tinto Limited ordinary  CFD                     Decreasing Long                15,601                  148.9186  AUD
 Rio Tinto Limited ordinary  CFD                     Decreasing Long                9,700                   151.4813  AUD
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Short               3,917                   65.6275  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Short               4,200                   65.7109  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                2,000                   64.6633  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                2,000                   64.6813  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                2,000                   64.7760  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                19,664                  65.2483  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                444                     65.3771  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                231                     65.3982  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                17,223                  65.4587  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                6,881                   65.4858  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                1,751                   65.5004  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                717                     65.5306  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                156                     65.5327  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                6,181                   65.5409  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                422                     65.5670  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                1,059                   65.5756  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                34,950                  65.5841  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                3,441                   65.5997  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                29                      65.6100  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                3,301                   65.6313  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                862                     65.6336  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                12,664                  65.6373  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                356                     65.6438  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                2,213                   65.6692  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                639                     65.6730  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                320                     65.6827  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                671                     65.6855  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                1,150                   65.6868  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                6,563                   65.6879  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                6,618                   65.7065  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                15,673                  65.7119  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                5,438                   65.7165  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                3,935                   65.7301  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                436                     65.7321  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                1,151                   65.7452  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                33,310                  65.7472  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                470                     65.7476  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                34                      65.7512  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                12                      65.7547  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                7,963                   65.7567  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                4,846                   65.7595  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                313,314                 65.7600  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                819                     65.7796  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                4,000                   65.8027  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                915                     65.8460  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                21                      74.4400  EUR
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Long                5,001                   75.4562  EUR
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                888                     64.6832  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                5,473                   64.8452  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                139                     65.0100  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                227                     65.0939  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                399                     65.1004  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                238                     65.1006  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                692                     65.1147  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                44                      65.1452  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                13,286                  65.1500  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                1,045                   65.1590  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                3,268                   65.1599  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                1,568                   65.1802  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                200                     65.3825  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                19,037                  65.3898  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                460                     65.4041  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                902                     65.4143  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                2,171                   65.4191  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                3,256                   65.4546  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                427                     65.4684  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                149                     65.6196  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                1,367                   65.6437  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                13,815                  65.7239  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                140,570                 65.7384  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                272                     65.7564  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                2,991                   65.7580  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                64,245                  65.7600  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                5,951                   65.7632  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                3,894                   65.7731  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                1,092                   65.8265  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                29                      65.8500  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                1,121                   65.9049  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                26                      65.9511  GBP
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                6,369                   75.7777  EUR
 Rio Tinto plc 10p ordinary  SWAP                    Decreasing Long                47                      76.0400  EUR
 Rio Tinto plc 10p ordinary  SWAP                    Increasing Short               170                     65.1525  GBP
 Rio Tinto plc 10p ordinary  CFD                     Decreasing Short               426                     64.6400  GBP
 Rio Tinto plc 10p ordinary  CFD                     Decreasing Short               15,977                  64.8600  GBP
 Rio Tinto plc 10p ordinary  CFD                     Decreasing Short               8,641                   65.5789  GBP
 Rio Tinto plc 10p ordinary  CFD                     Decreasing Short               35,957                  65.6535  GBP
 Rio Tinto plc 10p ordinary  CFD                     Decreasing Short               33,387                  65.7462  GBP
 Rio Tinto plc 10p ordinary  CFD                     Decreasing Short               101                     65.7580  GBP
 Rio Tinto plc 10p ordinary  CFD                     Decreasing Short               11,250                  65.8210  GBP
 Rio Tinto plc 10p ordinary  CFD                     Decreasing Short               46                      74.4400  EUR
 Rio Tinto plc 10p ordinary  CFD                     Decreasing Short               43                      75.2346  EUR
 Rio Tinto plc 10p ordinary  CFD                     Decreasing Short               169                     75.7200  EUR
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               8,382                   65.0876  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               4,394                   65.5416  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               718                     65.5479  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               2,150                   65.6550  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               72                      65.7600  GBP
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               49                      74.7655  EUR
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               1,106                   75.7833  EUR
 Rio Tinto plc 10p ordinary  CFD                     Increasing Short               120                     76.0400  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
 Rio Tinto plc ADR           Call Options            Purchased                      540056                  76.5331      European     14-01-27     0.0049 USD
 Rio Tinto plc ADR           Call Options            Purchased                      403634                  73.2443      European     15-01-27     0.0118 USD

 (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:                                                                                        26 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           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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.   END  RETBUGDBRBDDGLL



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