Form 8.3 RIO TINTO PLC AND RIO TINTO LIMITED

Barclays PLC
21 January 2026
 

FORM 8.3

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY

A PERSON WITH INTERESTS IN RELEVANT SECURITIES REPRESENTING 1% OR

MORE

Rule 8.3 of the Takeover Code (the "Code")

1.

KEY INFORMATION

(a)

Full name of discloser:

Barclays PLC.

(b)

Owner or controller of interest and short

 positions disclosed, if different from 1(a):

 

(c)

Name of offeror/offeree in relation to whose

 relevant securities this form relates:

RIO TINTO PLC AND RIO TINTO LIMITED

(d)

If an exempt fund manager connected with an

 offeror/offeree, state this and specify identity of

 offeror/offeree:

 

(e)

Date position held/dealing undertaken:

20 Jan 2026

(f)

In addition to the company in 1(c) above, is the discloser making

 disclosures in respect of any other party to the offer?

YES:

 GLENCORE PLC

2.

POSITIONS OF THE PERSON MAKING THE DISCLOSURE

(a)

Interests and short positions in the relevant securities of the offeror or offeree

 to which the disclosure relates following the dealing(if any)

Class of relevant security:

Rio Tinto plc 10p ordinary


Interests

Short Positions

Number

(%)

Number

(%)

(1) Relevant securities owned and/or controlled:

9,071,087

0.72%

8,129,232

0.64%

(2) Cash-settled derivatives:

3,665,971

0.29%

4,634,097

0.36%

(3) Stock-settled derivatives (including options) and agreements to purchase/sell: 

31,000

0.00%

1,112,199

0.08%

 

 TOTAL:

 

12,768,058

1.01%

13,875,528

1.08%

 








Class of relevant security:

Rio Tinto Limited ordinary


Interests

Short Positions

Number

(%)

Number

(%)

(1) Relevant securities owned and/or controlled:

924,165

0.25%

1,081,610

0.29%

(2) Cash-settled derivatives:

1,054,331

0.28%

807,736

0.22%

(3) Stock-settled derivatives (including options) and agreements to purchase/sell: 

0

0.00%

0

0.00%

 

 TOTAL:

 

1,978,496

0.53%

1,889,346

0.51%

 








(b)

Rights to subscribe for new securities (including directors and

 other executive options)

Class of relevant security in relation to

 which subscription right exists


Details, including nature of the rights

 concerned and relevant percentages:


3.

DEALINGS (IF ANY) BY THE PERSON MAKING THE DISCLOSURE

(a)

Purchase and sales

Class of relevant

 security

Purchase/sale

Number of

 securities

Price per unit

Rio Tinto Limited ordinary

Purchase

7,696

146.8008  AUD

Rio Tinto Limited ordinary

Purchase

5,965

146.3692  AUD

Rio Tinto Limited ordinary

Purchase

2,120

148.4145  AUD

Rio Tinto Limited ordinary

Purchase

152

147.4413  AUD

Rio Tinto Limited ordinary

Purchase

95

147.2653  AUD

Rio Tinto plc 10p ordinary

Purchase

258,119

63.1402  GBP

Rio Tinto plc 10p ordinary

Purchase

97,970

63.0456  GBP

Rio Tinto plc 10p ordinary

Purchase

49,833

62.8874  GBP

Rio Tinto plc 10p ordinary

Purchase

29,642

62.9777  GBP

Rio Tinto plc 10p ordinary

Purchase

26,860

62.9344  GBP

Rio Tinto plc 10p ordinary

Purchase

25,336

63.1425  GBP

Rio Tinto plc 10p ordinary

Purchase

20,980

63.1400  GBP

Rio Tinto plc 10p ordinary

Purchase

15,862

62.7934  GBP

Rio Tinto plc 10p ordinary

Purchase

14,890

62.9592  GBP

Rio Tinto plc 10p ordinary

Purchase

12,510

62.8928  GBP

Rio Tinto plc 10p ordinary

Purchase

11,658

62.8880  GBP

Rio Tinto plc 10p ordinary

Purchase

10,692

63.1382  GBP

Rio Tinto plc 10p ordinary

Purchase

10,020

62.5800  GBP

Rio Tinto plc 10p ordinary

Purchase

9,695

62.9899  GBP

Rio Tinto plc 10p ordinary

Purchase

8,942

63.0441  GBP

Rio Tinto plc 10p ordinary

Purchase

8,013

62.9178  GBP

Rio Tinto plc 10p ordinary

Purchase

6,288

62.7461  GBP

Rio Tinto plc 10p ordinary

Purchase

5,261

62.9416  GBP

Rio Tinto plc 10p ordinary

Purchase

4,896

72.1716  EUR

Rio Tinto plc 10p ordinary

Purchase

4,376

62.9761  GBP

Rio Tinto plc 10p ordinary

Purchase

4,368

62.7713  GBP

Rio Tinto plc 10p ordinary

Purchase

3,730

62.5160  GBP

Rio Tinto plc 10p ordinary

Purchase

3,696

63.1273  GBP

Rio Tinto plc 10p ordinary

Purchase

3,141

62.9556  GBP

Rio Tinto plc 10p ordinary

Purchase

3,006

62.9892  GBP

Rio Tinto plc 10p ordinary

Purchase

2,045

63.0807  GBP

Rio Tinto plc 10p ordinary

Purchase

2,034

62.9310  GBP

Rio Tinto plc 10p ordinary

Purchase

1,935

63.1304  GBP

Rio Tinto plc 10p ordinary

Purchase

1,620

62.5657  GBP

Rio Tinto plc 10p ordinary

Purchase

1,605

62.9584  GBP

Rio Tinto plc 10p ordinary

Purchase

1,564

62.9894  GBP

Rio Tinto plc 10p ordinary

Purchase

1,546

62.7995  GBP

Rio Tinto plc 10p ordinary

Purchase

1,529

62.6133  GBP

Rio Tinto plc 10p ordinary

Purchase

1,464

62.7768  GBP

Rio Tinto plc 10p ordinary

Purchase

1,440

62.9729  GBP

Rio Tinto plc 10p ordinary

Purchase

1,438

62.8794  GBP

Rio Tinto plc 10p ordinary

Purchase

1,415

63.1431  GBP

Rio Tinto plc 10p ordinary

Purchase

1,145

62.7638  GBP

ADR

Purchase

1,122

85.6800  USD

Rio Tinto plc 10p ordinary

Purchase

1,003

62.8680  GBP

Rio Tinto plc 10p ordinary

Purchase

949

63.1526  GBP

Rio Tinto plc 10p ordinary

Purchase

855

63.0561  GBP

Rio Tinto plc 10p ordinary

Purchase

776

62.5400  GBP

Rio Tinto plc 10p ordinary

Purchase

773

62.8464  GBP

Rio Tinto plc 10p ordinary

Purchase

738

63.0926  GBP

Rio Tinto plc 10p ordinary

Purchase

725

62.9103  GBP

Rio Tinto plc 10p ordinary

Purchase

705

62.8172  GBP

Rio Tinto plc 10p ordinary

Purchase

678

63.0600  GBP

Rio Tinto plc 10p ordinary

Purchase

668

62.9655  GBP

Rio Tinto plc 10p ordinary

Purchase

663

63.0626  GBP

Rio Tinto plc 10p ordinary

Purchase

579

72.1953  EUR

Rio Tinto plc 10p ordinary

Purchase

564

62.5790  GBP

Rio Tinto plc 10p ordinary

Purchase

552

62.7060  GBP

Rio Tinto plc 10p ordinary

Purchase

552

62.7800  GBP

Rio Tinto plc 10p ordinary

Purchase

531

62.6833  GBP

Rio Tinto plc 10p ordinary

Purchase

508

62.8700  GBP

Rio Tinto plc 10p ordinary

Purchase

503

62.7200  GBP

Rio Tinto plc 10p ordinary

Purchase

432

62.7500  GBP

Rio Tinto plc 10p ordinary

Purchase

419

62.8963  GBP

Rio Tinto plc 10p ordinary

Purchase

413

62.8451  GBP

Rio Tinto plc 10p ordinary

Purchase

383

62.7663  GBP

Rio Tinto plc 10p ordinary

Purchase

371

62.8681  GBP

Rio Tinto plc 10p ordinary

Purchase

341

72.0200  EUR

Rio Tinto plc 10p ordinary

Purchase

329

62.7895  GBP

Rio Tinto plc 10p ordinary

Purchase

317

62.7700  GBP

Rio Tinto plc 10p ordinary

Purchase

312

62.9257  GBP

Rio Tinto plc 10p ordinary

Purchase

309

63.0463  GBP

Rio Tinto plc 10p ordinary

Purchase

284

62.9975  GBP

Rio Tinto plc 10p ordinary

Purchase

280

63.0800  GBP

Rio Tinto plc 10p ordinary

Purchase

278

63.0900  GBP

Rio Tinto plc 10p ordinary

Purchase

263

62.6704  GBP

Rio Tinto plc 10p ordinary

Purchase

260

62.7400  GBP

Rio Tinto plc 10p ordinary

Purchase

250

62.5250  GBP

Rio Tinto plc 10p ordinary

Purchase

244

62.7987  GBP

Rio Tinto plc 10p ordinary

Purchase

225

63.0586  GBP

Rio Tinto plc 10p ordinary

Purchase

222

63.0650  GBP

Rio Tinto plc 10p ordinary

Purchase

214

63.0663  GBP

Rio Tinto plc 10p ordinary

Purchase

197

63.0306  GBP

Rio Tinto plc 10p ordinary

Purchase

196

63.0700  GBP

Rio Tinto plc 10p ordinary

Purchase

190

62.8500  GBP

Rio Tinto plc 10p ordinary

Purchase

177

63.0727  GBP

Rio Tinto plc 10p ordinary

Purchase

146

62.8000  GBP

Rio Tinto plc 10p ordinary

Purchase

145

62.8600  GBP

Rio Tinto plc 10p ordinary

Purchase

144

63.0628  GBP

Rio Tinto plc 10p ordinary

Purchase

140

63.0525  GBP

Rio Tinto plc 10p ordinary

Purchase

136

62.7850  GBP

Rio Tinto plc 10p ordinary

Purchase

125

63.0100  GBP

Rio Tinto plc 10p ordinary

Purchase

111

62.6653  GBP

Rio Tinto plc 10p ordinary

Purchase

111

62.9516  GBP

Rio Tinto plc 10p ordinary

Purchase

111

62.8100  GBP

Rio Tinto plc 10p ordinary

Purchase

106

63.0960  GBP

Rio Tinto plc 10p ordinary

Purchase

102

62.7950  GBP

Rio Tinto plc 10p ordinary

Purchase

100

62.9050  GBP

Rio Tinto plc 10p ordinary

Purchase

87

62.9200  GBP

Rio Tinto plc 10p ordinary

Purchase

87

63.0593  GBP

Rio Tinto plc 10p ordinary

Purchase

76

63.0492  GBP

Rio Tinto plc 10p ordinary

Purchase

75

63.0450  GBP

Rio Tinto plc 10p ordinary

Purchase

75

62.8780  GBP

Rio Tinto plc 10p ordinary

Purchase

70

63.0500  GBP

Rio Tinto plc 10p ordinary

Purchase

64

63.0950  GBP

Rio Tinto plc 10p ordinary

Purchase

60

63.0300  GBP

Rio Tinto plc 10p ordinary

Purchase

56

62.6250  GBP

Rio Tinto plc 10p ordinary

Purchase

46

62.6000  GBP

Rio Tinto plc 10p ordinary

Purchase

45

62.9013  GBP

Rio Tinto plc 10p ordinary

Purchase

43

63.0400  GBP

Rio Tinto plc 10p ordinary

Purchase

42

62.8294  GBP

Rio Tinto plc 10p ordinary

Purchase

42

72.4900  EUR

Rio Tinto plc 10p ordinary

Purchase

39

63.1236  GBP

Rio Tinto plc 10p ordinary

Purchase

35

62.8081  GBP

Rio Tinto plc 10p ordinary

Purchase

33

62.8350  GBP

Rio Tinto plc 10p ordinary

Purchase

28

62.9161  GBP

Rio Tinto plc 10p ordinary

Purchase

27

62.5700  GBP

Rio Tinto plc 10p ordinary

Purchase

26

62.7600  GBP

Rio Tinto plc 10p ordinary

Purchase

25

62.8190  GBP

Rio Tinto plc 10p ordinary

Purchase

25

63.1000  GBP

Rio Tinto plc 10p ordinary

Purchase

18

62.5600  GBP

Rio Tinto plc 10p ordinary

Purchase

11

62.8200  GBP

Rio Tinto plc 10p ordinary

Purchase

7

62.4987  GBP

Rio Tinto plc 10p ordinary

Purchase

6

62.8300  GBP

Rio Tinto Limited ordinary

Sale

7,696

146.8008  AUD

Rio Tinto Limited ordinary

Sale

828

146.4182  AUD

Rio Tinto Limited ordinary

Sale

376

149.2527  AUD

Rio Tinto Limited ordinary

Sale

334

147.1458  AUD

Rio Tinto Limited ordinary

Sale

166

147.1386  AUD

Rio Tinto Limited ordinary

Sale

9

146.3297  AUD

Rio Tinto plc 10p ordinary

Sale

59,875

62.4217  GBP

Rio Tinto plc 10p ordinary

Sale

58,997

62.9713  GBP

Rio Tinto plc 10p ordinary

Sale

52,830

62.9700  GBP

Rio Tinto plc 10p ordinary

Sale

48,145

63.1400  GBP

Rio Tinto plc 10p ordinary

Sale

43,300

62.5800  GBP

Rio Tinto plc 10p ordinary

Sale

25,115

63.0019  GBP

Rio Tinto plc 10p ordinary

Sale

17,107

62.5409  GBP

Rio Tinto plc 10p ordinary

Sale

12,884

62.7257  GBP

Rio Tinto plc 10p ordinary

Sale

11,863

62.8081  GBP

Rio Tinto plc 10p ordinary

Sale

10,887

63.0100  GBP

Rio Tinto plc 10p ordinary

Sale

7,576

62.7970  GBP

Rio Tinto plc 10p ordinary

Sale

7,234

62.9107  GBP

Rio Tinto plc 10p ordinary

Sale

6,685

63.0454  GBP

Rio Tinto plc 10p ordinary

Sale

6,442

62.9649  GBP

Rio Tinto plc 10p ordinary

Sale

6,386

62.9987  GBP

ADR

Sale

6,001

85.6800  USD

Rio Tinto plc 10p ordinary

Sale

5,828

62.8824  GBP

Rio Tinto plc 10p ordinary

Sale

5,815

63.0856  GBP

Rio Tinto plc 10p ordinary

Sale

3,941

62.9627  GBP

Rio Tinto plc 10p ordinary

Sale

3,885

62.8730  GBP

Rio Tinto plc 10p ordinary

Sale

3,021

62.6237  GBP

Rio Tinto plc 10p ordinary

Sale

2,946

62.9743  GBP

Rio Tinto plc 10p ordinary

Sale

2,450

62.7927  GBP

Rio Tinto plc 10p ordinary

Sale

2,344

62.7684  GBP

Rio Tinto plc 10p ordinary

Sale

2,340

62.8943  GBP

Rio Tinto plc 10p ordinary

Sale

2,263

62.6292  GBP

Rio Tinto plc 10p ordinary

Sale

1,958

62.8107  GBP

Rio Tinto plc 10p ordinary

Sale

1,878

62.8286  GBP

ADR

Sale

1,800

84.8100  USD

Rio Tinto plc 10p ordinary

Sale

1,750

62.9547  GBP

Rio Tinto plc 10p ordinary

Sale

1,589

62.6402  GBP

Rio Tinto plc 10p ordinary

Sale

1,528

62.7957  GBP

Rio Tinto plc 10p ordinary

Sale

1,522

62.9148  GBP

Rio Tinto plc 10p ordinary

Sale

1,396

62.8587  GBP

Rio Tinto plc 10p ordinary

Sale

1,323

62.9322  GBP

Rio Tinto plc 10p ordinary

Sale

1,271

62.5625  GBP

Rio Tinto plc 10p ordinary

Sale

1,242

63.0899  GBP

Rio Tinto plc 10p ordinary

Sale

1,201

72.5536  EUR

Rio Tinto plc 10p ordinary

Sale

1,128

62.7882  GBP

Rio Tinto plc 10p ordinary

Sale

1,101

62.8779  GBP

Rio Tinto plc 10p ordinary

Sale

1,086

62.9329  GBP

Rio Tinto plc 10p ordinary

Sale

1,078

62.7902  GBP

Rio Tinto plc 10p ordinary

Sale

959

63.0500  GBP

Rio Tinto plc 10p ordinary

Sale

931

62.8315  GBP

Rio Tinto plc 10p ordinary

Sale

929

63.0406  GBP

ADR

Sale

900

84.7800  USD

Rio Tinto plc 10p ordinary

Sale

830

62.8800  GBP

Rio Tinto plc 10p ordinary

Sale

826

63.0993  GBP

Rio Tinto plc 10p ordinary

Sale

809

63.0600  GBP

Rio Tinto plc 10p ordinary

Sale

651

62.8830  GBP

Rio Tinto plc 10p ordinary

Sale

590

62.8897  GBP

Rio Tinto plc 10p ordinary

Sale

566

62.8467  GBP

ADR

Sale

544

84.8000  USD

Rio Tinto plc 10p ordinary

Sale

522

62.8850  GBP

Rio Tinto plc 10p ordinary

Sale

488

72.3140  EUR

Rio Tinto plc 10p ordinary

Sale

468

62.8595  GBP

Rio Tinto plc 10p ordinary

Sale

435

62.7200  GBP

Rio Tinto plc 10p ordinary

Sale

413

62.9174  GBP

Rio Tinto plc 10p ordinary

Sale

402

62.7083  GBP

Rio Tinto plc 10p ordinary

Sale

398

62.8929  GBP

Rio Tinto plc 10p ordinary

Sale

383

62.6966  GBP

Rio Tinto plc 10p ordinary

Sale

378

63.0473  GBP

Rio Tinto plc 10p ordinary

Sale

341

72.0210  EUR

Rio Tinto plc 10p ordinary

Sale

326

62.7656  GBP

Rio Tinto plc 10p ordinary

Sale

307

63.0433  GBP

ADR

Sale

300

85.6850  USD

Rio Tinto plc 10p ordinary

Sale

278

63.0900  GBP

Rio Tinto plc 10p ordinary

Sale

273

62.6612  GBP

Rio Tinto plc 10p ordinary

Sale

264

62.7800  GBP

Rio Tinto plc 10p ordinary

Sale

261

62.9688  GBP

Rio Tinto plc 10p ordinary

Sale

257

62.6587  GBP

Rio Tinto plc 10p ordinary

Sale

247

63.0628  GBP

Rio Tinto plc 10p ordinary

Sale

241

62.8905  GBP

Rio Tinto plc 10p ordinary

Sale

241

63.0181  GBP

Rio Tinto plc 10p ordinary

Sale

233

63.0850  GBP

Rio Tinto plc 10p ordinary

Sale

218

62.7700  GBP

Rio Tinto plc 10p ordinary

Sale

200

62.5464  GBP

Rio Tinto plc 10p ordinary

Sale

199

62.7646  GBP

Rio Tinto plc 10p ordinary

Sale

193

62.8700  GBP

Rio Tinto plc 10p ordinary

Sale

193

62.8321  GBP

Rio Tinto plc 10p ordinary

Sale

191

62.7521  GBP

Rio Tinto plc 10p ordinary

Sale

190

62.8500  GBP

Rio Tinto plc 10p ordinary

Sale

189

62.6923  GBP

Rio Tinto plc 10p ordinary

Sale

182

63.1348  GBP

ADR

Sale

180

84.7700  USD

Rio Tinto plc 10p ordinary

Sale

179

63.0743  GBP

Rio Tinto plc 10p ordinary

Sale

132

62.8600  GBP

Rio Tinto plc 10p ordinary

Sale

132

62.8554  GBP

Rio Tinto plc 10p ordinary

Sale

130

63.0650  GBP

Rio Tinto plc 10p ordinary

Sale

127

62.5300  GBP

ADR

Sale

120

84.7900  USD

Rio Tinto plc 10p ordinary

Sale

114

63.0400  GBP

Rio Tinto plc 10p ordinary

Sale

112

63.0800  GBP

Rio Tinto plc 10p ordinary

Sale

111

62.8100  GBP

Rio Tinto plc 10p ordinary

Sale

102

62.7950  GBP

ADR

Sale

100

85.6550  USD

ADR

Sale

100

85.6500  USD

Rio Tinto plc 10p ordinary

Sale

100

62.9050  GBP

ADR

Sale

100

85.7100  USD

Rio Tinto plc 10p ordinary

Sale

84

72.4900  EUR

Rio Tinto plc 10p ordinary

Sale

75

62.7761  GBP

Rio Tinto plc 10p ordinary

Sale

73

62.9435  GBP

Rio Tinto plc 10p ordinary

Sale

71

62.5900  GBP

ADR

Sale

70

85.6700  USD

Rio Tinto plc 10p ordinary

Sale

68

63.0150  GBP

Rio Tinto plc 10p ordinary

Sale

64

63.0950  GBP

Rio Tinto plc 10p ordinary

Sale

63

63.0700  GBP

Rio Tinto plc 10p ordinary

Sale

60

63.0300  GBP

Rio Tinto plc 10p ordinary

Sale

60

62.8400  GBP

Rio Tinto plc 10p ordinary

Sale

60

62.7400  GBP

Rio Tinto plc 10p ordinary

Sale

59

63.0200  GBP

ADR

Sale

56

84.7910  USD

Rio Tinto plc 10p ordinary

Sale

56

62.6250  GBP

Rio Tinto plc 10p ordinary

Sale

54

62.6000  GBP

Rio Tinto plc 10p ordinary

Sale

50

62.8000  GBP

Rio Tinto plc 10p ordinary

Sale

45

62.8986  GBP

Rio Tinto plc 10p ordinary

Sale

35

62.8144  GBP

Rio Tinto plc 10p ordinary

Sale

34

62.5400  GBP

Rio Tinto plc 10p ordinary

Sale

33

62.8412  GBP

Rio Tinto plc 10p ordinary

Sale

31

62.9496  GBP

ADR

Sale

27

84.6900  USD

Rio Tinto plc 10p ordinary

Sale

27

62.5700  GBP

Rio Tinto plc 10p ordinary

Sale

25

62.8252  GBP

Rio Tinto plc 10p ordinary

Sale

25

63.1000  GBP

Rio Tinto plc 10p ordinary

Sale

20

62.7600  GBP

Rio Tinto plc 10p ordinary

Sale

18

62.5600  GBP

Rio Tinto plc 10p ordinary

Sale

13

62.9769  GBP

Rio Tinto plc 10p ordinary

Sale

13

62.5353  GBP

Rio Tinto plc 10p ordinary

Sale

11

62.8200  GBP

Rio Tinto plc 10p ordinary

Sale

7

62.5050  GBP

Rio Tinto plc 10p ordinary

Sale

6

62.8362  GBP

Rio Tinto plc 10p ordinary

Sale

5

63.1340  GBP

ADR

Sale

4

84.8900  USD

ADR

Sale

4

84.6600  USD

(b)

Cash-settled derivative transactions

Class of

 relevant

 security

Product  description

Nature of dealing

Number of

 reference

 securities

Price per

 unit

Rio Tinto Limited ordinary

SWAP

Decreasing Short

334

147.1458  AUD

Rio Tinto Limited ordinary

SWAP

Decreasing Short

376

149.2527  AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

5,965

146.3692  AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

95

147.2652  AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

2,120

148.4293  AUD

Rio Tinto Limited ordinary

CFD

Increasing Long

9,407

146.7435  AUD

Rio Tinto Limited ordinary

CFD

Decreasing Long

5,698

146.8743  AUD

Rio Tinto plc 10p ordinary

SWAP

Decreasing Short

12,077

62.8760  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Short

14,800

62.9641  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Short

309

63.0462  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

13

62.5353  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

43,300

62.5800  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

2,263

62.6292  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

12,884

62.7257  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

326

62.7656  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,078

62.7902  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

11,863

62.8081  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,958

62.8107  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,396

62.8587  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

468

62.8595  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

265

62.8721  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

727

62.8810  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

2,340

62.8943  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

45

62.8987  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,086

62.9329  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

31

62.9499  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,750

62.9547  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

3,941

62.9627  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

6,442

62.9649  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

261

62.9687  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

58,997

62.9713  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

2,946

62.9743  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

10

62.9773  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

3

62.9774  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

3,898

63.0393  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

929

63.0406  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

6,685

63.0454  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

8,475

63.1180  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

182

63.1348  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

5

63.1349  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

33,652

63.1400  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,201

72.5536  EUR

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

3,730

62.5160  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

10,020

62.5800  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

263

62.6704  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

531

62.6833  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

6,288

62.7461  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

4,368

62.7713  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

136

62.7850  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

5,357

62.7878  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

300

62.7933  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

24,396

62.8218  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

413

62.8451  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1,590

62.8466  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1,003

62.8680  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

371

62.8681  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

49,833

62.8874  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

11,658

62.8880  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

7

62.8914  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

12,503

62.8927  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

45

62.9012  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

28

62.9161  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

8,013

62.9178  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

5,261

62.9416  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

111

62.9516  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

3,141

62.9556  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

14,890

62.9592  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1,440

62.9729  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

29,642

62.9777  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1,564

62.9894  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

16,287

62.9918  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

17,111

62.9919  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

197

63.0306  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

214

63.0663  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

2,433

63.1291  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1,935

63.1304  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

59,011

63.1326  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

10,692

63.1382  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

151

63.1400  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

258,119

63.1402  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

25,336

63.1425  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1,415

63.1431  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

949

63.1526  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

53

63.1526  USD

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

4,896

72.1716  EUR

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

49

72.5100  EUR

Rio Tinto plc 10p ordinary

SWAP

Increasing Short

88

63.0606  GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

7,617

62.6825  GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

20,960

62.7592  GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

10,647

62.9756  GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

25,115

63.0018  GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

4,983

63.1349  GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

88

72.1902  EUR

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

400

72.3320  EUR

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

42

72.4900  EUR

Rio Tinto plc 10p ordinary

CFD

Increasing Short

15,312

62.9807  GBP

Rio Tinto plc 10p ordinary

CFD

Increasing Short

17,145

62.9835  GBP

Rio Tinto plc 10p ordinary

CFD

Increasing Short

183

63.1400  GBP

Rio Tinto plc 10p ordinary

CFD

Increasing Short

582

63.1444  GBP

Rio Tinto plc 10p ordinary

CFD

Increasing Short

486

72.1457  EUR

Rio Tinto plc 10p ordinary

CFD

Increasing Short

44

72.4865  EUR

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

3,631

84.7920  USD









(c)

Stock-settled derivative transactions

 (including options)

(i)

Writing, selling, purchasing or varying

Class

 of

 relevant

 security

Product

 description

Writing,

 purchasing,

 selling,

 varying etc

Number

 of

 securities

 to which

 option

 relates

Exercise

 price

 per unit

Type

Expiry

 date

Option

 money

 paid/

 received

 per unit

















(ii)

Exercise

 






Class of relevant

 security

Product description

Exercising/ exercised against

Number of

 securities

Exercise price per

 unit














(d)

Other dealings (including subscribing for

 new securities)

Class of relevant

 security

Nature of Dealings

Details

Price per unit (if

 applicable)





4.

OTHER INFORMATION

(a)

Indemnity and other dealings arrangements

Details of any indemnity or option arrangement, or any agreement or understanding,

 formal or informal, relating to relevant securities which may be an inducement to deal

 or refrain from dealing entered into by the person making the disclosure and any party

 to the offer or any person acting in concert with a party to the offer:

NONE

(b)

Agreements, arrangements or understandings relating to options or

 derivatives

Details of any agreement, arrangement or understanding, formal or informal, between

 the person making the disclosure and any other person relating to:

 (i)  the voting rights of any relevant securities under any option; or

 (ii) the voting rights of future acquisition or disposal of any relevant securities to which

 any derivative is referenced:

NONE

(c)

Attachments

 






Is a Supplemental Form 8 (Open Positions) attached?

YES

Date of disclosure:

21 Jan 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213

 
















SUPPLEMENTAL FORM 8 (OPEN POSITIONS)

DETAILS OF OPEN OPTION AND DERIVATIVE POSITIONS, AGREEMENTS TO

PURCHASE OR SELL ETC.

Note 5(i) on Rule 8 of the Takeover Code (the "Code")

1.    KEY INFORMATION

Identity of the person whose positions/dealings

 are being disclosed:

Barclays PLC.

Name of offeror/offeree in relation to whose

 relevant securities this from relates:

RIO TINTO PLC AND RIO TINTO LIMITED

 








2.    OPTIONS AND DERIVATIVES

Class

 of

 relevant

 security

Product

 description

Writing,

 purchasing,

 selling,

 varying etc

Number

 of

 securities

 to which

 option

 relates

Exercise

 price

 per unit

Type

Expiry

 date

Rio Tinto plc ADR

Put Options

Purchased

-500

63

American

15-Jan-27

Rio Tinto plc ADR

Put Options

Purchased

-400

60

American

15-Jan-27

Rio Tinto plc ADR

Call Options

Purchased

1,000

65

American

15-Jan-27

Rio Tinto plc ADR

Call Options

Written

-540,056

76.5331

European

14-Jan-27

Rio Tinto plc ADR

Put Options

Written

30,000

48

American

15-Jan-27









3.    AGREEMENTS TO PURCHASE OR SELL ETC.

Full details should be given so that the nature of the interest or position can be fully understood:

 

 

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