Exhibit 99.4

Rio Tinto plc
Transactions in own shares
Issued share capital
Month of June 2007

								Total
		Total		Treasury	New	Shares	Shares	issued
		buy		shares	shares	held by	held in	share
Date		backs		reissued	issued	public	treasury	capital
		Number		Number	Number	Number	Number	Number
31-May-07	b/f					1,001,414,172	70,357,624	1,071,771,796
01-Jun-07		(100,000	)	9,445	—	1,001,323,617	70,448,179	1,071,771,796
04-Jun-07		(200,000	)	—	—	1,001,123,617	70,648,179	1,071,771,796
06-Jun-07		—		14,320	—	1,001,137,937	70,633,859	1,071,771,796
12-Jun-07		—		8,744	—	1,001,146,681	70,625,115	1,071,771,796
14-Jun-07		—		—	5,762	1,001,152,443	70,625,115	1,071,777,558
18-Jun-07		(500,000	)	11,444	—	1,000,663,887	71,113,671	1,071,777,558
20-Jun-07		(250,000	)	—	—	1,000,413,887	71,363,671	1,071,777,558
21-Jun-07		(200,000	)	—	—	1,000,213,887	71,563,671	1,071,777,558
22-Jun-07		(175,000	)	—	3,143	1,000,042,030	71,738,671	1,071,780,701
25-Jun-07		(225,000	)	—	—	999,817,030	71,963,671	1,071,780,701
26-Jun-07		(250,000	)	—	—	999,567,030	72,213,671	1,071,780,701
27-Jun-07		(200,000	)	—	—	999,367,030	72,413,671	1,071,780,701
28-Jun-07		(175,000	)	—	—	999,192,030	72,588,671	1,071,780,701
29-Jun-07		(200,000	)	—	—	998,992,030	72,788,671	1,071,780,701
30-Jun-07	c/f					998,992,030	72,788,671	1,071,780,701

Rio Tinto plc
Transactions in own shares
Shares held in treasury
Month of June 2007

			Shares issued from treasury
						Mining
			Share	Share		Companies	Highest	Lowest	Shares
		Buy	Savings	Option		Comparative	price	price	held in
Date		backs	Plan	Plan		Plan	per share	per share	treasury
		Number	Number	Number		Number	pence	pence	Number
31-May-07	b/f								70,357,624
01-Jun-07		100,000	—	(9,445	)	—	1,263.0	1,263.0	70,448,179
04-Jun-07		200,000	—	—		—	—	—	70,648,179
06-Jun-07		—	—	(14,320	)	—	1,265.6	965.4	70,633,859
12-Jun-07		—	—	(8,744	)	—	1,458.6	1,263.0	70,625,115
14-Jun-07		—	—	—		—	—	—	70,625,115
18-Jun-07		500,000	—	(11,444	)	—	1,458.6	1,263.0	71,113,671
20-Jun-07		250,000	—	—		—	—	—	71,363,671
21-Jun-07		200,000	—	—		—	—	—	71,563,671
22-Jun-07		175,000	—	—		—	—	—	71,738,671
25-Jun-07		225,000	—	—		—	—	—	71,963,671
26-Jun-07		250,000	—	—		—	—	—	72,213,671
27-Jun-07		200,000	—	—		—	—	—	72,413,671
28-Jun-07		175,000	—	—		—	—	—	72,588,671
29-Jun-07		200,000	—	—		—	—	—	72,788,671
30-Jun-07	c/f								72,788,671

Rio Tinto plc
Transactions in own shares
Share buy backs
Month of June 2007

					Total
				Average price	buy
Date		Treasury	Cancellation	per share	backs
		Number	Number	pence	Number
31-May-07	b/f
01-Jun-07		100,000	—	3,665	100,000
04-Jun-07		200,000	—	3,675	200,000
06-Jun-07		—	—	—	—
12-Jun-07		—	—	—	—
14-Jun-07		—	—	—	—
18-Jun-07		500,000	—	3,873	500,000
20-Jun-07		250,000	—	3,870	250,000
21-Jun-07		200,000	—	3,816	200,000
22-Jun-07		175,000	—	3,794	175,000
25-Jun-07		225,000	—	3,760	225,000
26-Jun-07		250,000	—	3,779	250,000
27-Jun-07		200,000	—	3,669	200,000
28-Jun-07		175,000	—	3,749	175,000
29-Jun-07		200,000	—	3,786	200,000
30-Jun-07	c/f