Publication of Report on Payments to Governments for the year ended 31 December 2025 27 May 2026 Our report on payments to governments made by Rio Tinto and its subsidiary undertakings for the year ended 31 December 2025 as required under the UK’s Report on Payments to Governments Regulations 2014 (as amended in December 2015) has been filed at Companies House. The report also satisfies the requirements of Rule 4.3A of the Disclosure and Transparency Rules of the Financial Conduct Authority in the United Kingdom. Text of Report on Payments to Governments for the year 2025 filed at Companies House: GOVERNMENT PAYMENTS BY TYPE Company Name RIO TINTO PLC Company Number 00719885 Report Name Extractive Industry Reporting Report End Date 31-Dec-25 Currency USD Version 1 Filing Date 27-May-26 Country Code Tax Authority Name Payment Type Unit Measure Volume Valuation Method Amount Notes ARG AGENCIA DE RECAUDACION Y CONTROL ADUANERO Tax 0 82,860,108 ARG DIRECCION GENERAL DE RENTAS Royalties 0 8,468,503 AUS AUSTRALIAN TAXATION OFFICE Tax 0 3,586,945,266 AUS NORTHERN TERRITORY REVENUE OFFICE Royalties 0 80,443,857 AUS STATE OF QUEENSLAND Royalties 0 188,625,571 AUS STATE OF WESTERN AUSTRALIA Royalties 0 1,776,073,177 AUS NORTHERN TERRITORY REVENUE OFFICE Fees 0 6,415,165 AUS STATE OF QUEENSLAND Fees 0 2,250,690 AUS STATE OF WESTERN AUSTRALIA Fees 0 13,367,165 AUS CITY OF KARRATHA Fees 0 5,909,402 BRA FEDERAL REVENUE OF BRAZIL Fees 0 322,387 CAN CANADA REVENUE AGENCY Tax 0 30,180,674 CAN GOVERNMENT OF NEWFOUNDLAND AND LABRADOR Tax 0 25,035,285 CAN REVENUE QUEBEC Tax 0 2,097,899 A CAN CONSEIL DES INNUS DE EKUANITSHIT Fees 0 777,835 CAN CREE NATION GOVERNMENT Fees 0 14,198,850 CAN GOVERNMENT OF NEWFOUNDLAND AND LABRADOR Fees 0 201,949 CAN GOVERNMENT OF NORTHWEST TERRITORIES Fees 0 2,979,903 CAN INNU NATION (LABRADOR) Fees 0 2,767,491 CAN LES INNUS DE UASHAT MAK MANI-UTENAM AND LES INNUS DE MATIMEKUSH-LAC JOHN Fees 0 3,354,874 CAN LUTSEL K'E DENE FIRST NATION Fees 0 299,672 CAN NASKAPI NATION OF KAWAWACHIKAMACH Fees 0 1,159,526 CAN NUNATUKAVUT COMMUNITY COUNCIL Fees 0 576,798 CAN TLICHO GOVERNMENT Fees 0 1,266,508 CAN YELLOWKNIVES DENE FIRST NATION Fees 0 959,760 CHL TESORERIA GENERAL DE LA REPUBLICA Tax 0 116,987 KAZ STATE REVENUE COMMITTEE Fees 0 219,076 MDG MADAGASCAR - DIRECTION GENERALE DES IMPOTS Tax 0 1,165,265 MDG TRESORERIE GENERALE DE FORT DAUPHIN Royalties 0 3,586,061 MNG MONGOLIA - GENERAL DEPARTMENT OF TAXATION Tax 0 25,252,012 MNG MONGOLIA - GENERAL DEPARTMENT OF TAXATION Royalties 0 254,417,801 MNG AGENCY FOR STANDARDIZATION AND METROLOGY Fees 0 214,056 MNG GENERAL AGENCY FOR LABOR WELFARE SERVICE Fees 0 855,426 MNG GOBI OYU DEVELOPMENT SUPPORT FUND Fees 0 5,966,702 MNG MINERAL RESOURCES AND PETROLEUM AUTHORITY OF MONGOLIA Fees 0 235,736 MNG OYU TOLGOI CATALYST FUND FOR KHANBOGD DEVELOPMENT Fees 0 12,202,159 MNG UMNUGOVI PROVINCE Fees 0 73,942,651 PER PERU - THE NATIONAL SUPERINTENDENCY OF CUSTOMS AND TAX ADMINISTRATION Fees 0 1,636,460 USA USA - INTERNAL REVENUE SERVICE Tax 0 (31,904,399) USA UTAH STATE TAX COMMISSION Royalties 0 10,228,284 USA KERN COUNTY TREASURER AND TAX COLLECTOR (CA) Fees 0 15,808,474 USA PINAL COUNTY TREASURER (AZ) Fees 0 1,278,661 USA SALT LAKE COUNTY (UT) Fees 0 53,237,864 ZAF SOUTH AFRICAN REVENUE SERVICE Tax 0 23,558,169 ZAF SOUTH AFRICAN REVENUE SERVICE Royalties 0 (6,567,096) TOTAL 6,282,988,664 Note A: Payments reported are net of a cash refund of $1,522,200 in respect of Exploration – Canada. GOVERNMENT PAYMENT TOTALS Company Name RIO TINTO PLC Company Number 00719885 Report Name Extractive Industry Reporting Report End Date 31-Dec-25 Currency USD Version 1 Filing Date 27-May-26 Government Country Code Amount Notes AGENCIA DE RECAUDACION Y CONTROL ADUANERO ARG 82,860,108 B DIRECCION GENERAL DE RENTAS ARG 8,468,503 B AUSTRALIAN TAXATION OFFICE AUS 3,586,945,266 B NORTHERN TERRITORY REVENUE OFFICE AUS 86,859,022 B STATE OF QUEENSLAND AUS 190,876,261 B STATE OF WESTERN AUSTRALIA AUS 1,789,440,342 B CITY OF KARRATHA AUS 5,909,402 B FEDERAL REVENUE OF BRAZIL BRA 322,387 B CANADA REVENUE AGENCY CAN 30,180,674 B GOVERNMENT OF NEWFOUNDLAND AND LABRADOR CAN 25,237,234 B REVENUE QUEBEC CAN 2,097,899 A,B CONSEIL DES INNUS DE EKUANITSHIT CAN 777,835 B CREE NATION GOVERNMENT CAN 14,198,850 B GOVERNMENT OF NORTHWEST TERRITORIES CAN 2,979,903 B INNU NATION (LABRADOR) CAN 2,767,491 B LES INNUS DE UASHAT MAK MANI-UTENAM AND LES INNUS DE MATIMEKUSH-LAC JOHN CAN 3,354,874 B LUTSEL K'E DENE FIRST NATION CAN 299,672 B NASKAPI NATION OF KAWAWACHIKAMACH CAN 1,159,526 B NUNATUKAVUT COMMUNITY COUNCIL CAN 576,798 B TLICHO GOVERNMENT CAN 1,266,508 B YELLOWKNIVES DENE FIRST NATION CAN 959,760 B TESORERIA GENERAL DE LA REPUBLICA CHL 116,987 B STATE REVENUE COMMITTEE KAZ 219,076 B MADAGASCAR - DIRECTION GENERALE DES IMPOTS MDG 1,165,265 B TRESORERIE GENERALE DE FORT DAUPHIN MDG 3,586,061 B MONGOLIA - GENERAL DEPARTMENT OF TAXATION MNG 279,669,813 C AGENCY FOR STANDARDIZATION AND METROLOGY MNG 214,056 C GENERAL AGENCY FOR LABOR WELFARE SERVICE MNG 855,426 C GOBI OYU DEVELOPMENT SUPPORT FUND MNG 5,966,702 C MINERAL RESOURCES AND PETROLEUM AUTHORITY OF MONGOLIA MNG 235,736 C OYU TOLGOI CATALYST FUND FOR KHANBOGD DEVELOPMENT MNG 12,202,159 C UMNUGOVI PROVINCE MNG 73,942,651 C PERU - THE NATIONAL SUPERINTENDENCY OF CUSTOMS AND TAX ADMINISTRATION PER 1,636,460 B USA - INTERNAL REVENUE SERVICE USA (31,904,399) UTAH STATE TAX COMMISSION USA 10,228,284 KERN COUNTY TREASURER AND TAX COLLECTOR (CA) USA 15,808,474 PINAL COUNTY TREASURER (AZ) USA 1,278,661 SALT LAKE COUNTY (UT) USA 53,237,864 SOUTH AFRICAN REVENUE SERVICE ZAF 16,991,073 B TOTAL 6,282,988,664 Note B: Amounts in local currency are converted to US$ at the average exchange rate for the year. Note C: Amounts in local currency are converted to US$ at the exchange rate at the time the payments were made. PROJECT PAYMENTS BY TYPE Company Name RIO TINTO PLC Company Number 00719885 Report Name Extractive Industry Reporting Report End Date 31-Dec-25 Currency USD Version 1 Filing Date 27-May-26 Project Code Project Name Country Code Payment Type Unit Measure Volume Valuation Method Amount Notes ARG01 RINCON – ARGENTINA ARG Tax 0 18,032,328 ARG02 SAL DE VIDA – ARGENTINA ARG Tax 0 52,732,092 ARG03 FÉNIX – ARGENTINA ARG Tax 0 11,393,050 ARG03 FÉNIX – ARGENTINA ARG Royalties 0 6,433,609 ARG04 OLAROZ – ARGENTINA ARG Royalties 0 2,034,894 AUS01 PILBARA – AUSTRALIA AUS Tax 0 3,618,683,746 D AUS01 PILBARA – AUSTRALIA AUS Royalties 0 1,773,826,708 AUS01 PILBARA – AUSTRALIA AUS Fees 0 19,276,567 AUS05 DAMPIER SALT – AUSTRALIA AUS Tax 0 58,123,392 AUS05 DAMPIER SALT – AUSTRALIA AUS Royalties 0 2,246,469 AUS06 GOVE – AUSTRALIA AUS Tax 0 6,641,968 D AUS06 GOVE – AUSTRALIA AUS Royalties 0 80,443,857 AUS06 GOVE – AUSTRALIA AUS Fees 0 6,415,165 AUS07 WEIPA INCLUDING AMRUN – AUSTRALIA AUS Tax 0 (58,512,313) E AUS07 WEIPA INCLUDING AMRUN – AUSTRALIA AUS Royalties 0 188,625,571 AUS07 WEIPA INCLUDING AMRUN – AUSTRALIA AUS Fees 0 2,250,690 AUS08 WINU – AUSTRALIA AUS Tax 0 (20,839,663) E AUSEXP01 EXPLORATION – AUSTRALIA AUS Tax 0 (16,449,226) E BRAEXP01 EXPLORATION – BRAZIL BRA Fees 0 322,387 CAN01 IRON ORE COMPANY OF CANADA CAN Tax 0 57,148,428 CAN01 IRON ORE COMPANY OF CANADA CAN Fees 0 8,060,638 CAN02 DIAVIK – CANADA CAN Fees 0 5,505,843 CAN03 RIO TINTO FER ET TITANE – CANADA CAN Tax 0 1,687,630 CAN03 RIO TINTO FER ET TITANE – CANADA CAN Fees 0 777,835 CANEXP01 EXPLORATION – CANADA CAN Tax 0 (1,522,200) A CAN04 GALAXY LITHIUM – CANADA CAN Fees 0 14,198,850 CHLEXP01 EXPLORATION – CHILE CHL Tax 0 116,987 KAZEXP01 EXPLORATION – KAZAKHSTAN KAZ Fees 0 219,076 MDG01 QIT MADAGASCAR MINERALS – MADAGASCAR MDG Tax 0 1,165,265 MDG01 QIT MADAGASCAR MINERALS – MADAGASCAR MDG Royalties 0 3,586,061 MNG01 OYU TOLGOI – MONGOLIA MNG Tax 0 25,252,012 MNG01 OYU TOLGOI – MONGOLIA MNG Royalties 0 254,417,801 MNG01 OYU TOLGOI – MONGOLIA MNG Fees 0 93,416,730 PEREXP01 EXPLORATION – PERU PER Fees 0 1,636,460 USA01 KENNECOTT UTAH COPPER – US USA Tax 0 (12,385,557) F USA01 KENNECOTT UTAH COPPER – US USA Royalties 0 10,228,284 USA01 KENNECOTT UTAH COPPER – US USA Fees 0 53,237,864 USA02 RESOLUTION COPPER – US USA Tax 0 (31,344,492) F USA02 RESOLUTION COPPER – US USA Fees 0 1,278,661 USA03 U.S. BORAX – US USA Tax 0 20,085,753 F USA03 U.S. BORAX – US USA Fees 0 15,808,474 USAEXP01 EXPLORATION – US USA Tax 0 (8,260,103) F ZAF01 RICHARDS BAY MINERALS – SOUTH AFRICA ZAF Tax 0 23,558,169 ZAF01 RICHARDS BAY MINERALS – SOUTH AFRICA ZAF Royalties 0 (6,567,096) TOTAL 6,282,988,664 Note D: Project amount includes payments / refunds between entities within tax groups where final payments to government are paid by the head / representative entity on behalf of the tax group. Note E: Project amount includes payments / refunds between entities within tax groups where final payments to government are paid by the head / representative entity on behalf of the tax group. This does not represent an actual refund from the Australian Tax Office. Note F: Project amount includes payments / refunds between entities within tax groups where final payments to government are paid by the head / representative entity on behalf of the tax group. Overall there was a net refund from the IRS in the year. PROJECT PAYMENT TOTALS Company Name RIO TINTO PLC Company Number 00719885 Report Name Extractive Industry Reporting Report End Date 31-Dec-25 Currency USD Version 1 Filing Date 27-May-26 Project Name Project Code Amount Notes RINCON – ARGENTINA ARG01 18,032,328 SAL DE VIDA – ARGENTINA ARG02 52,732,092 FÉNIX – ARGENTINA ARG03 17,826,659 OLAROZ – ARGENTINA ARG04 2,034,894 PILBARA – AUSTRALIA AUS01 5,411,787,021 DAMPIER SALT – AUSTRALIA AUS05 60,369,861 GOVE – AUSTRALIA AUS06 93,500,990 WEIPA INCLUDING AMRUN – AUSTRALIA AUS07 132,363,948 WINU – AUSTRALIA AUS08 (20,839,663) EXPLORATION – AUSTRALIA AUSEXP01 (16,449,226) EXPLORATION – BRAZIL BRAEXP01 322,387 IRON ORE COMPANY OF CANADA CAN01 65,209,066 DIAVIK – CANADA CAN02 5,505,843 RIO TINTO FER ET TITANE – CANADA CAN03 2,465,465 GALAXY LITHIUM - CANADA CAN04 14,198,850 EXPLORATION – CANADA CANEXP01 (1,522,200) A EXPLORATION – CHILE CHLEXP01 116,987 EXPLORATION – KAZAKHSTAN KAZEXP01 219,076 QIT MADAGASCAR MINERALS – MADAGASCAR MDG01 4,751,326 OYU TOLGOI – MONGOLIA MNG01 373,086,543 EXPLORATION – PERU PEREXP01 1,636,460 KENNECOTT UTAH COPPER – US USA01 51,080,591 RESOLUTION COPPER – US USA02 (30,065,831) U.S. BORAX – US USA03 35,894,227 EXPLORATION – US USAEXP01 (8,260,103) RICHARDS BAY MINERALS – SOUTH AFRICA ZAF01 16,991,073 TOTAL 6,282,988,664