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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM 20-F
(Mark One)
REGISTRATION STATEMENT PURSUANT TO SECTION 12(b) OR 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934
or
ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
For the fiscal year ended: December 31, 2023
or
TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
 
or
SHELL COMPANY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934
Date of event requiring this shell company report                      

For the transition period from:                      to                     
Commission file number: 001-10533
Commission file number: 001-34121
Rio Tinto plc
Rio Tinto Limited
ABN 96 004 458 404
(Exact Name of Registrant as Specified in Its Charter)(Exact Name of Registrant as Specified in Its Charter)
England and Wales
(Jurisdiction of Incorporation or Organization)
Victoria, Australia
(Jurisdiction of Incorporation or Organization)
6 St. James's Square
London, SW1Y 4AD, United Kingdom
(Address of Principal Executive Offices)
Level 43, 120 Collins Street
Melbourne, Victoria 3000, Australia
(Address of Principal Executive Offices)
Julie Parent, T: 514-848-8519, E: julie.parent@riotinto.com
(Name, Telephone, E-mail and/or Facsimile number and Address of Company Contact Person)
Securities registered or to be registered pursuant to Section 12(b) of the Act:
Title of Each ClassTrading Symbol
Name of Each Exchange
On Which Registered
American Depositary Shares*
Ordinary Shares of 10p each**
7.125% Notes due 2028
5.000% Notes due 2033
5.200% Notes due 2040
4.750% Notes due 2042
4.125% Notes due 2042
2.750% Notes due 2051
5.125% Notes due 2053
RIO
New York Stock Exchange
New York Stock Exchange
New York Stock Exchange
New York Stock Exchange
New York Stock Exchange
New York Stock Exchange
New York Stock Exchange
New York Stock Exchange
New York Stock Exchange

*Evidenced by American Depositary Receipts. Each American Depositary Share Represents one Rio Tinto plc Ordinary Shares of 10p each.
**Not for trading, but only in connection with the listing of American Depositary Shares, pursuant to the requirements of the Securities and Exchange Commission
Securities registered or to be registered pursuant to Section 12(g) of the Act:
Title of ClassTitle of Class Shares
NoneNone
Securities for which there is a reporting obligation pursuant to Section 15(d) of the Act:
Title of ClassTitle of Class of Shares
NoneNone
Indicate the number of outstanding shares of each of the issuer’s classes of capital or common stock as of the close of the period
covered by the annual report:
Title of each classRio Tinto plc - NumberRio Tinto Limited - NumberTitle of each class
Ordinary Shares of 10p each1,255,892,098371,216,214Shares
DLC Dividend Share of 10p11DLC Dividend Share
Special Voting Share of 10p11Special Voting Share
Indicate by check mark if the registrants are well-known seasoned issuers, as defined in rule 405 of the Securities Act.
    Yes      No  ☐
If this report is an annual or transition report, indicate by check mark if the registrants are not required to file reports pursuant to
Section 13 or 15(d) of the Securities Exchange Act of 1934.
    Yes      No  ☒
Note – Checking the box above will not relieve any registrant required to file reports pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934 from their obligations under those Sections.
Indicate by check mark whether the registrants (1) have filed all reports required to be filed by Section 13 or 15(d) of the Securities
Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrants were required to file such
reports), and (2) have been subject to such filing requirements for the past 90 days:
    Yes      No  ☐
Indicate by check mark whether the registrants have submitted electronically every
Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during
the preceding 12 months (or for such shorter period that the registrants were required to submit such files).
    Yes      No  ☐
Indicate by check mark whether the registrants are large accelerated filers, accelerated filers, non-accelerated filers, or emerging growth companies. See definition
of “large accelerated filer”, “accelerated filer” and “emerging growth company” and in Rule 12b-2 of the Exchange Act.:
Large Accelerated Filer  ☒
Accelerated Filer  ☐Non-Accelerated Filer          ☐
Emerging growth company  
If an emerging growth company that prepares its financial statements in accordance with U.S. GAAP, indicate by check mark
if the registrants have elected not to use the extended transition period for complying with any new or revised
financial accounting standards* provided pursuant to Section 13(a) of the Exchange Act.

*The term “new or revised financial accounting standard” refers to any update issued by the Financial Accounting Standards Board to its Accounting Standards Codification after April 5, 2012.
Indicate by check mark whether the registrants have filed a report on and attestation to their management’s assessment of the
effectiveness of its internal control over financial reporting under Section 404(b) of the Sarbanes-Oxley Act (15 U.S.C.
7262(b)) by the registered public accounting firm that prepared or issued their audit report.
If securities are registered pursuant to Section 12(b) of the Act, indicate by check mark whether the financial statements of the
registrants included in the filing reflect the correction of an error to previously issued financial statements.
Yes      No  
Indicate by check mark whether any of those error corrections are restatements that required a recovery analysis of incentive-based compensation received by any of the registrants' executive officers during the relevant recovery period pursuant to §240.10D-1(b).
Yes      No  ☒
Indicate by check mark which basis of accounting the registrants have used to prepare the financial statements included in this filing:
US GAAP            International Financial Reporting Standards as issued by the International Accounting Standards Board  
Other  ☐
If “Other” has been checked in response to the previous question, indicate by check mark which financial statement item the
registrants have elected to follow:
Item 17      Item 18  ☐
If this is an annual report, indicate by check mark whether the registrants are shell companies (as defined in Rule 12b-2 of the Exchange
Act).
    Yes      No  
(APPLICABLE ONLY TO ISSUERS INVOLVED IN BANKRUPTCY PROCEEDINGS DURING THE PAST FIVE YEARS)
Indicate by check mark whether the registrants have filed all documents and reports required to be filed by Sections 12, 13 or
15(d) of the Securities Exchange Act of 1934 subsequent to the distribution of securities under a plan confirmed by a court.
Yes No
Auditor NameAuditor LocationAuditor Firm ID
KPMG LLPLondon, United Kingdom1118
KPMGPerth, Australia1020


20-F-Cover.jpg
Item
Form 20-F Caption
Location in this document
Page
1
Identity of directors, senior management and advisers
Not applicable
2
Offer statistics and expected timetable
Not applicable
3
Key information
3.A - [Reserved]
Not applicable
3.B – Capitalisation and indebtedness
Not applicable
3.C – Reasons for the offer and use of proceeds
Not applicable
3.D – Risk factors
Risk factors
4
Information on the company
4.A – History and development of the company
Contents
Cover
At a glance
2-3
Chair’s statement
4-5
Chief Executive’s Q&A
6-7
Our purpose in action
10-11
Our stakeholders
12-13
Strategic context
14-15
Progressing our strategy
17
Progressing our four objectives
18-19
Key performance indicators
20-22
Chief Financial Officer’s statement
23
Financial review
24-29
Portfolio management
30-31
Iron Ore
32-33
Aluminium
34-35
Copper
36-37
Minerals
38-39
Our approach to ESG
40-77
Governance – Additional statutory disclosure – Operating and financial review
146-147
Financial statements
– Note 1 – Our financial performance by segment
– Note 5 – Acquisitions and disposals
Rio Tinto Financial Information by Business Unit
Shareholder Information
– Organisational structure
– Nomenclature and financial data
– History
– Dual-listed companies structure
347
347
347
347
Additional information – US disclosure – Document on display
                                      – Registered offices
357
382
Form 20-F cross-reference guide
Annual Report on Form 20-F 2023 | riotinto.com
i
Item
Form 20-F Caption
Location in this document
Page
4.B – Business overview
At a glance
2-3
Chair’s statement
4-5
Chief Executive’s Q&A
6-7
Creating value by living our purpose
8-9
Our purpose in action
10-11
Our stakeholders
12-13
Strategic context
14-15
Our strategy   
16
Progressing our strategy
17
Progressing our four objectives
18-19
Key performance indicators
20-22
Chief Financial Officer’s statement
23
Financial review
24-29
Iron Ore
32-33
Aluminium
34-35
Copper
36-37
Minerals
38-39
Our approach to ESG
40-77
Governance – Additional statutory disclosure
– Government regulations
– Environmental regulations
150
150
Financial statements Note 6 – Revenue by destination and product
Metals and minerals production
297-298
Mineral Resources and Mineral Reserves
299-322
Qualified Persons
323
Mines and production facilities
324-342
Additional information – US disclosure – Disclosure pursuant to Section 13(r) of
the Securities Exchange Act of 1934
354
4.C Organisational structure
Financial statements
– Note 30 – Principal subsidiaries
– Note 31 – Principal joint operations
– Note 32 – Principal joint ventures and associates
Shareholder Information
– Organisational structure
– Dual-listed companies structure
347
347
4.D – Property, plants and equipment
Key performance indicators
20-22
Portfolio management
30-31
Iron Ore
32-33
Aluminium
34-35
Copper
36-37
Minerals
38-39
Our approach to ESG
40-77
Governance – Additional statutory disclosure
– Environmental regulations
– Energy efficiency action
150
150
Financial statements Note 13 – Property, plant and equipment
Metals and minerals production
297-298
Mineral Resources and Mineral Reserves
299-322
Qualified persons
323
Mines and production facilities
324-342
Additional information – US disclosure – Summary disclosure of operations
pursuant to Item 1303 of SK-1300 under Securities Act of 1933
363
Additional information – US disclosure – Individual property disclosure 
pursuant to Item 1304 of SK-1300  under Securities Act of 1933
363-380
Additional information – US disclosure – Internal controls disclosure pursuant to
Item 1305 of SK-1300  under Securities Act of 1933
380
See Exhibit 96.4
ii
Annual Report on Form 20-F 2023 | riotinto.com
Item
Form 20-F Caption
Location in this document
Page
4A
Unresolved staff comments   
None
5
Operating and financial review and prospects
5.A – Operating results
Chair’s statement
4-5
Financial review
24-29
Iron Ore
32-33
Aluminium
34-35
Copper
36-37
Minerals
38-39
Our approach to ESG
40-77
Governance – Additional statutory disclosure
– Operating and financial review
– Government regulations
– Environmental regulations
146-147
150
150
Financial statements
h. Impact of Climate Change on the Group
Note 24 – Financial instruments and risk management
Rio Tinto Financial Information by Business Unit
286-288
Alternative Performance Measures
289-294
5.B – Liquidity and capital resources
Portfolio management
30-31
Copper  – Oyu  Tolgoi underground project
37
Financial statements
Note 14 – Close-down and restoration provisions
– Our capital and liquidity
– Note 19 -  Net debt
– Note 20 – Borrowings
Note 21 – Leases
Note 22 – Cash and cash equivalents
Note 23 – Other financial assets and liabilities
Note 24 – Financial instruments and risk management
Note 28 – Post-retirement benefits
Note 36 – Other provisions
Note 37 – Contingencies and commitments
5.C – Research and development, patents and licenses,
etc.
Our strategy
16
Progressing our strategy
17
Progressing our four objectives
18-19
Our approach to ESG - Environmental performance
44-65
Governance – Additional statutory disclosure – Exploration, research and
development
150
Financial statements
– Note 7 – Net operating costs (excluding items disclosed separately)
– Note 13 - Property, plant and equipment
-Impact of climate change on our business - Useful economic lives of our
power generating assets
5.D – Trend information
At a glance
2-3
Chair’s statement
4-5
Chief Executive's Q&A
6-7
Creating value by living our purpose
8-9
Our purpose in action
10-11
Our stakeholders
12-13
Strategic context
14-15
Our strategy
16
Progressing our strategy
17
Progressing our four objectives
18-19
Key performance indicators
20-22
Chief Financial Officer’s statement
23
Financial review
24-29
Iron Ore
32-33
Aluminium
34-35
Copper
36-37
Minerals
38-39
5.E  – Critical accounting estimates
Not Applicable
6
Directors, senior management and employees
Annual Report on Form 20-F 2023 | riotinto.com
iii
Item
Form 20-F Caption
Location in this document
Page
6.A – Directors and senior management
Governance
– Board of Directors
– Executive Committee
92-93
94-95
Additional statutory disclosure – Directors and executives
147
6.B – Compensation
Governance
– Remuneration at a glance - Policy changes
– Remuneration Policy
– Implementation report
– Implementation report tables
115-117
119-126
127-140
141-145
Financial statements
Note 26 – Employment costs and provisions
Note 27 – Share-based payments
Note 28 – Post-retirement benefits
6.C – Board practices
Governance
90-156
Governance
– Board of Directors
– Executive Committee
– Audit & Risk Committee report
– Remuneration Policy – Executives’ service contracts and termination
– Compliance with governance codes and standards
92-93
94-95
107-110
124-125
152-156
Shareholder information – Directors – Appointment and removal of Directors
352
6.D – Employees
Our stakeholders – Workforce
12
Our approach to ESG – Talent, diversity and inclusion
73
Financial statements
Note 25 – Average number of employees
Note 26 – Employment costs and provisions
Rio Tinto financial Information by Business Unit
6.E – Share ownership
Governance
– Implementation report – Executive Directors’ shareholding
                                        – Non-Executive Directors’ share ownership
                                        – Other share plans
136
140
140
Financial statements - Note 27 – Share-based payments
6.F – Disclosure of a registrant’s action to recover
erroneously awarded compensation
Governance
– Remuneration policy – Executive remuneration structure - Policy table
See Exhibit 96.5
120-122
7
Major shareholders and related party transactions
7.A – Major shareholders
Shareholder information - Shareownership
– Substantial shareholders in Rio Tinto plc
– Substantial shareholders in Rio Tinto Limited
– Analysis of ordinary shareholders
– Twenty largest registered shareholders
349
349
350
350
7.B – Related party transactions
Financial review
24-29
Financial statements Note 33 – Related-party transactions
7.C – Interests of experts and counsel
Not applicable