SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, DC 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER
PURSUANT TO RULE 13A-16 OR 15D-16 OF
THE SECURITIES EXCHANGE ACT OF 1934

For the month of March 2011

Commission file number: 001-10533		Commission file number: 001-34121

Rio Tinto plc		Rio Tinto Limited
		ABN 96 004 458 404
(Translation of registrant’s name into English)		(Translation of registrant’s name into English)
2 Eastbourne Terrace		Level 33, 120 Collins Street
London, W2 6LG, United Kingdom		Melbourne, Victoria 3000, Australia
(Address of principal executive offices)		(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of
Form 20-F or Form 40-F:

Form 20-F þ Form 40-F o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by
Regulation S-T Rule 101(b)(1): o

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by
Regulation S-T Rule 101(b)(7): o

Indicate by check mark whether by furnishing the information contained in this Form, the registrant
is also thereby furnishing the information to the Commission pursuant to
Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes o No þ

If “Yes” is marked, indicate below the file number assigned to the registrant in connection
with Rule 12g3-2(b): 82-                     

 

 

EXHIBITS

99.1		4 March 2011		Rio Tinto board changes
99.2		10 March 2011		Improvements to Rio Tinto’s bid in Riversdale
99.3		21 March 2011		Rio Tinto’s bid for Riversdale extended
99.4		29 March 2011		Rio Tinto bid for Riversdale declared unconditional

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused this report to be signed on their behalf by the undersigned, thereunto duly authorised.

Rio Tinto plc (Registrant)						Rio Tinto Limited (Registrant)
By		/s/ Ben Mathews   Name Ben Mathews				By		/s/ Ben Mathews   Name Ben Mathews
		Title    Secretary						Title    Assistant Secretary
Date 4 April 2011						4 April 2011