EXHIBIT 99.1 Publication of Report on Payments to Governments for the year ended 31 December 2024 29 May 2025 Our report on payments to governments made by Rio Tinto and its subsidiary undertakings for the year ended 31 December 2024 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 2024 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-24 Currency USD Country Code Tax Authority Name Payment Type Unit Measure Volume Valuation Method Amount Notes Version Filing Date ARG ADMINISTRACION FEDERAL DE INGRESOS PUBLICOS Tax 0 16,880,594 1 29-May-25 AUS AUSTRALIAN TAXATION OFFICE Tax 0 3,654,271,678 1 29-May-25 AUS NORTHERN TERRITORY REVENUE OFFICE Royalties 0 50,293,231 1 29-May-25 AUS STATE OF QUEENSLAND Royalties 0 126,389,229 1 29-May-25 AUS STATE OF WESTERN AUSTRALIA Royalties 0 2,099,400,355 1 29-May-25 AUS NORTHERN TERRITORY REVENUE OFFICE Fees 0 6,565,732 1 29-May-25 AUS STATE OF QUEENSLAND Fees 0 1,965,268 1 29-May-25 AUS STATE OF WESTERN AUSTRALIA Fees 0 15,003,832 1 29-May-25 CAN CANADA REVENUE AGENCY Tax 0 92,897,412 A 1 29-May-25 CAN GOVERNMENT OF NEWFOUNDLAND AND LABRADOR Tax 0 31,347,823 1 29-May-25 CAN REVENUE QUEBEC Tax 0 5,649,148 1 29-May-25 CAN CONSEIL DES INNUS DE EKUANITSHIT Fees 0 783,172 1 29-May-25 CAN GOVERNMENT OF NEWFOUNDLAND AND LABRADOR Fees 0 255,672 1 29-May-25 CAN GOVERNMENT OF NORTHWEST TERRITORIES Fees 0 7,052,583 1 29-May-25 CAN INNU NATION (Labrador) Fees 0 2,643,193 1 29-May-25 CAN LES INNUS DE UASHAT MAK MANI- UTENAM AND LES INNUS DE MATIMEKUSH-LAC JOHN Fees 0 4,318,350 1 29-May-25 CAN LUTSEL K'E DENE FIRST NATION Fees 0 299,946 1 29-May-25 CAN NASKAPI NATION OF KAWAWACHIKAMACH Fees 0 1,122,746 1 29-May-25 CAN TLICHO GOVERNMENT Fees 0 1,218,962 1 29-May-25 CAN YELLOWKNIVES DENE FIRST NATION Fees 0 841,941 1 29-May-25 CHL SERVICIO DE IMPUESTOS INTERNOS Tax 0 160,608 1 29-May-25 KAZ STATE REVENUE COMMITTEE Fees 0 701,773 1 29-May-25 MDG MADAGASCAR - GENERAL DIRECTION OF TAXES Tax 0 1,181,895 1 29-May-25 MDG TRESORERIE GENERALE DE FORT DAUPHIN Royalties 0 5,768,606 1 29-May-25 MNG MONGOLIA - GENERAL DEPARTMENT OF TAXATION Tax 0 13,061,197 1 29-May-25 MNG MONGOLIA - GENERAL DEPARTMENT OF TAXATION Royalties 0 126,246,003 1 29-May-25 MNG MINERAL RESOURCES AND PETROLEUM AUTHORITY OF MONGOLIA Fees 0 221,763 1 29-May-25 MNG ULAANBAATAR CITY Fees 0 779,934 1 29-May-25 MNG UMNUGOVI PROVINCE Fees 0 59,669,676 1 29-May-25 MNG WATER AGENCY GOVERNMENT ORGANIZATION Fees 0 113,200 1 29-May-25 MNG GOBI OYU DEVELOPMENT SUPPORT FUND Bonuses 0 1,593,947 B 1 29-May-25 MNG OYU TOLGOI CATALYST FUND FOR KHANBOGD DEVELOPMENT Bonuses 0 12,282,647 C 1 29-May-25 PER PERU - THE NATIONAL SUPERINTENDENCY OF CUSTOMS AND TAX ADMINISTRATION Fees 0 798,385 1 29-May-25 USA USA - INTERNAL REVENUE SERVICE Tax 0 (28,438,780) 1 29-May-25 USA UTAH STATE TAX COMMISSION Royalties 0 16,423,992 1 29-May-25 USA ARIZONA DEPARTMENT OF REVENUE Fees 0 106,889 1 29-May-25 USA CALIFORNIA FRANCHISE TAX BOARD Fees 0 129,423 1 29-May-25 USA KERN COUNTY TREASURER AND TAX COLLECTOR (CA) Fees 0 5,594,339 1 29-May-25 USA PINAL COUNTY TREASURER (AZ) Fees 0 1,361,968 1 29-May-25 USA SALT LAKE COUNTY (UT) Fees 0 55,068,829 1 29-May-25 ZAF SOUTH AFRICAN REVENUE SERVICE Tax 0 65,591,414 1 29-May-25 ZAF SOUTH AFRICAN REVENUE SERVICE Royalties 0 11,888,544 1 29-May-25 TOTAL 6,469,507,119 Note A: Payments reported are net of a cash refund of $867,618 in respect of Diavik. Note B: Bonuses include contributions under the Oyu Tolgoi LLC's Communities Co-operation Agreement. Note C: Bonuses include contributions under the Khanbogd Soum Centre Development Partnership Agreement. GOVERNMENT PAYMENT TOTALS Company Name RIO TINTO PLC Company Number 00719885 Report Name Extractive Industry Reporting Report End Date 31-Dec-24 Currency USD Government Country Code Amount Version Notes Filing Date ADMINISTRACION FEDERAL DE INGRESOS PUBLICOS ARG 16,880,594 1 D 29-May-25 NORTHERN TERRITORY REVENUE OFFICE AUS 56,858,964 1 D 29-May-25 STATE OF QUEENSLAND AUS 128,354,496 1 D 29-May-25 STATE OF WESTERN AUSTRALIA AUS 2,114,404,187 1 D 29-May-25 AUSTRALIAN TAXATION OFFICE AUS 3,654,271,678 1 D 29-May-25 CONSEIL DES INNUS DE EKUANITSHIT CAN 783,172 1 D 29-May-25 GOVERNMENT OF NEWFOUNDLAND AND LABRADOR CAN 31,603,496 1 D 29-May-25 GOVERNMENT OF NORTHWEST TERRITORIES CAN 7,052,583 1 D 29-May-25 INNU NATION (Labrador) CAN 2,643,193 1 D 29-May-25 LES INNUS DE UASHAT MAK MANI-UTENAM AND LES INNUS DE MATIMEKUSH-LAC JOHN CAN 4,318,350 1 D 29-May-25 LUTSEL K'E DENE FIRST NATION CAN 299,946 1 D 29-May-25 NASKAPI NATION OF KAWAWACHIKAMACH CAN 1,122,746 1 D 29-May-25 TLICHO GOVERNMENT CAN 1,218,962 1 D 29-May-25 YELLOWKNIVES DENE FIRST NATION CAN 841,941 1 D 29-May-25 CANADA REVENUE AGENCY CAN 92,897,412 1 A,D 29-May-25 REVENUE QUEBEC CAN 5,649,148 1 D 29-May-25 SERVICIO DE IMPUESTOS INTERNOS CHL 160,608 1 D 29-May-25 STATE REVENUE COMMITTEE KAZ 701,773 1 D 29-May-25 TRESORERIE GENERALE DE FORT DAUPHIN MDG 5,768,606 1 D 29-May-25 MADAGASCAR - GENERAL DIRECTION OF TAXES MDG 1,181,895 1 D 29-May-25 GOBI OYU DEVELOPMENT SUPPORT FUND MNG 1,593,947 1 E 29-May-25 OYU TOLGOI CATALYST FUND FOR KHANBOGD DEVELOPMENT MNG 12,282,647 1 E 29-May-25 MINERAL RESOURCES AND PETROLEUM AUTHORITY OF MONGOLIA MNG 221,763 1 E 29-May-25 ULAANBAATAR CITY MNG 779,934 1 E 29-May-25 UMNUGOVI PROVINCE MNG 59,669,676 1 E 29-May-25 WATER AGENCY GOVERNMENT ORGANIZATION MNG 113,200 1 E 29-May-25 MONGOLIA - GENERAL DEPARTMENT OF TAXATION MNG 139,307,200 1 E 29-May-25 PERU - THE NATIONAL SUPERINTENDENCY OF CUSTOMS AND TAX ADMINISTRATION PER 798,385 1 D 29-May-25 ARIZONA DEPARTMENT OF REVENUE USA 106,889 1 29-May-25 CALIFORNIA FRANCHISE TAX BOARD USA 129,423 1 29-May-25 KERN COUNTY TREASURER AND TAX COLLECTOR (CA) USA 5,594,339 1 29-May-25 PINAL COUNTY TREASURER (AZ) USA 1,361,968 1 29-May-25 SALT LAKE COUNTY (UT) USA 55,068,829 1 29-May-25 USA - INTERNAL REVENUE SERVICE USA (28,438,780) 1 29-May-25 UTAH STATE TAX COMMISSION USA 16,423,992 1 29-May-25 SOUTH AFRICAN REVENUE SERVICE ZAF 77,479,957 1 D 29-May-25 TOTAL 6,469,507,119 Note D: Amounts in local currency are converted to US$ at the average exchange rate for the year. Note E: 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-24 Currency USD Project Code Project Name Country Code Payment Type Unit Measure Volume Valuatio n Method Amount Note s Versio n Filing Date ARG01 RINCON - ARGENTINA ARG Tax 0 35,464,395 1 29-May-25 AUS01 PILBARA - WESTERN AUSTRALIA AUS Tax 0 3,952,931,118 F 1 29-May-25 AUS01 PILBARA - WESTERN AUSTRALIA AUS Royalties 0 2,096,460,438 1 29-May-25 AUS01 PILBARA - WESTERN AUSTRALIA AUS Fees 0 14,860,403 1 29-May-25 AUS05 DAMPIER SALT - AUSTRALIA AUS Tax 0 35,367,429 1 29-May-25 AUS05 DAMPIER SALT - AUSTRALIA AUS Royalties 0 2,939,918 1 29-May-25 AUS05 DAMPIER SALT - AUSTRALIA AUS Fees 0 143,429 1 29-May-25 AUS06 GOVE - AUSTRALIA AUS Royalties 0 50,293,231 1 29-May-25 AUS06 GOVE - AUSTRALIA AUS Fees 0 6,565,732 1 29-May-25 AUS07 WEIPA INCLUDING AMRUN - AUSTRALIA AUS Tax 0 (79,752,159) G 1 29-May-25 AUS07 WEIPA INCLUDING AMRUN - AUSTRALIA AUS Royalties 0 126,389,228 1 29-May-25 AUS07 WEIPA INCLUDING AMRUN - AUSTRALIA AUS Fees 0 1,965,268 1 29-May-25 AUS08 WINU - AUSTRALIA AUS Tax 0 (20,429,763) G 1 29-May-25 AUSEXP01 EXPLORATION - AUSTRALIA AUS Tax 0 (22,232,782) G 1 29-May-25 AUSOTH01 HEAD OFFICE / NON-EXTRACTIVE AUSTRALIA AUS Tax 0 (230,195,965) G 1 29-May-25 CAN01 IRON ORE COMPANY OF CANADA CAN Tax 0 129,264,702 1 29-May-25 CAN01 IRON ORE COMPANY OF CANADA CAN Fees 0 8,339,961 1 29-May-25 CAN02 DIAVIK - CANADA CAN Tax 0 (867,618) 1 29-May-25 CAN02 DIAVIK - CANADA CAN Fees 0 9,413,432 1 29-May-25 CAN03 RIO TINTO FER ET TITANE - CANADA CAN Tax 0 1,497,300 1 29-May-25 CAN03 RIO TINTO FER ET TITANE - CANADA CAN Fees 0 783,172 1 29-May-25 CHLEXP01 EXPLORATION - CHILE CHL Tax 0 160,608 1 29-May-25 KAZEXP01 EXPLORATION - KAZAKHSTAN KAZ Fees 0 701,773 1 29-May-25 MDG01 QIT MADAGASCAR MINERALS MDG Tax 0 1,181,895 1 29-May-25 MDG01 QIT MADAGASCAR MINERALS MDG Royalties 0 5,768,605 1 29-May-25 MNG01 OYU TOLGOI - MONGOLIA MNG Tax 0 13,061,197 1 29-May-25 MNG01 OYU TOLGOI - MONGOLIA MNG Royalties 0 126,246,003 1 29-May-25 MNG01 OYU TOLGOI - MONGOLIA MNG Fees 0 60,784,574 1 29-May-25 MNG01 OYU TOLGOI - MONGOLIA MNG Bonuses 0 13,876,594 1 29-May-25 PEREXP01 EXPLORATION - PERU PER Fees 0 798,385 1 29-May-25 USA01 KENNECOTT UTAH COPPER - US USA Tax 0 6,925,310 H 1 29-May-25 USA01 KENNECOTT UTAH COPPER - US USA Royalties 0 16,423,992 1 29-May-25 USA01 KENNECOTT UTAH COPPER - US USA Fees 0 55,068,829 1 29-May-25 USA02 RESOLUTION COPPER - US USA Tax 0 (36,933,176) H 1 29-May-25 USA02 RESOLUTION COPPER - US USA Fees 0 1,361,968 1 29-May-25 USA03 US BORAX USA Tax 0 14,627,122 H 1 29-May-25 USA03 US BORAX USA Fees 0 5,723,761 1 29-May-25 USAEXP01 EXPLORATION - US USA Tax 0 (13,058,036) H 1 29-May-25 USAEXP01 EXPLORATION - US USA Fees 0 106,889 1 29-May-25 ZAF01 RICHARDS BAY MINERALS - SOUTH AFRICA ZAF Tax 0 65,591,414 1 29-May-25 ZAF01 RICHARDS BAY MINERALS - SOUTH AFRICA ZAF Royalties 0 11,888,543 1 29-May-25 TOTAL 6,469,507,119 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. Note G: 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 H: 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-24 Currency USD Project Name Project Code Amount Version Notes Filing Date RINCON - ARGENTINA ARG01 35,464,395 1 29-May-25 PILBARA - WESTERN AUSTRALIA AUS01 6,064,251,959 1 29-May-25 DAMPIER SALT - AUSTRALIA AUS05 38,450,776 1 29-May-25 GOVE - AUSTRALIA AUS06 56,858,964 1 29-May-25 WEIPA INCLUDING AMRUN - AUSTRALIA AUS07 48,602,337 1 29-May-25 WINU - AUSTRALIA AUS08 (20,429,763) 1 29-May-25 EXPLORATION - AUSTRALIA AUSEXP01 (22,232,782) 1 29-May-25 HEAD OFFICE / NON-EXTRACTIVE AUSTRALIA AUSOTH01 (230,195,965) 1 29-May-25 IRON ORE COMPANY OF CANADA CAN01 137,604,663 1 29-May-25 DIAVIK - CANADA CAN02 8,545,814 1 A 29-May-25 RIO TINTO FER ET TITANE - CANADA CAN03 2,280,471 1 29-May-25 EXPLORATION - CHILE CHLEXP01 160,608 1 29-May-25 EXPLORATION - KAZAKHSTAN KAZEXP01 701,773 1 29-May-25 QIT MADAGASCAR MINERALS MDG01 6,950,501 1 29-May-25 OYU TOLGOI - MONGOLIA MNG01 213,968,367 1 29-May-25 EXPLORATION - PERU PEREXP01 798,385 1 29-May-25 KENNECOTT UTAH COPPER - US USA01 78,418,131 1 29-May-25 RESOLUTION COPPER - US USA02 (35,571,208) 1 29-May-25 US BORAX USA03 20,350,883 1 29-May-25 EXPLORATION - US USAEXP01 (12,951,147) 1 29-May-25 RICHARDS BAY MINERALS - SOUTH AFRICA ZAF01 77,479,957 1 29-May-25 TOTAL 6,469,507,119