Share capital - Rio Tinto plc (Tables)

12 Months Ended

Dec. 31, 2023

Disclosure of classes of share capital [abstract]

Summary of share capital - Rio Tinto plc

Rio Tinto plc

	2023 Number (million)	2022 Number (million)	2021 Number (million)	2023 US$m	2022 US$m	2021 US$m
Issued and fully paid up share capital of 10p each
At 1 January	1,255.845	1,255.795	1,255.756	207	207	207
Ordinary shares issued under the Global Employee Share plan (GESP)	0.047	0.050	0.039	—	—	—
Shares purchased and cancelled(a)	—	—	—	—	—	—
At 31 December	1,255.892	1,255.845	1,255.795	207	207	207
Shares held by public
At 1 January	1,249.655	1,248.141	1,246.904
Shares reissued from treasury under the GESP	1.619	1.464	1.198
Ordinary shares issued under the GESP	0.047	0.050	0.039
Shares purchased and cancelled(a)	—	—	—
At 31 December	1,251.321	1,249.655	1,248.141
Shares held in treasury	4.571	6.190	7.654
Shares held by public	1,251.321	1,249.655	1,248.141
Total share capital	1,255.892	1,255.845	1,255.795
Other share classes
Special Voting Share of 10p each(b)	1 only	1 only	1 only
DLC Dividend Share of 10p each(b)	1 only	1 only	1 only

(a)The authority for the company to buy back its ordinary shares was renewed at the 2021 annual general meeting. No shares were bought back and cancelled in 2023, 2022 or 2021 under the on-

market buy-back programme.

(b)The Special Voting Share was issued to facilitate the joint voting by shareholders of Rio Tinto plc and Rio Tinto Limited on Joint Decisions, following the DLC Merger. The DLC Dividend Share

was issued to a subsidiary of Rio Tinto Limited to facilitate the efficient management of funds within the DLC structure. In addition, an Equalisation Share is authorised but not issued and is

governed by the terms of the DLC Merger Sharing Agreement.