Form 8.3 RIO TINTO PLC AND RIO TINTO LIMITED

Barclays PLC
14 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:

13 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:

10,114,519

0.81%

8,412,355

0.51%

(2) Cash-settled derivatives:

4,925,293

0.30%

5,651,106

0.45%

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

85,300

0.01%

722,143

0.04%

  TOTAL:

15,125,112

1.11%

14,785,604

1.00%

Class of relevant security:

Rio Tinto Limited ordinary


Interests

Short Positions

Number

(%)

Number

(%)

(1) Relevant securities owned and/or controlled:

938,312

0.25%

1,138,929

0.31%

(2) Cash-settled derivatives:

1,110,173

0.30%

812,083

0.22%

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

0

0.00%

0

0.00%

  TOTAL:

2,048,485

0.55%

1,951,012

0.53%

(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 plc 10p ordinary

Purchase

136,193

62.1400  GBP

Rio Tinto plc 10p ordinary

Purchase

80,962

61.9826  GBP

Rio Tinto plc 10p ordinary

Purchase

80,591

61.9558  GBP

Rio Tinto plc 10p ordinary

Purchase

61,337

62.1404  GBP

Rio Tinto plc 10p ordinary

Purchase

28,218

61.9360  GBP

Rio Tinto plc 10p ordinary

Purchase

25,500

62.0192  GBP

Rio Tinto plc 10p ordinary

Purchase

17,046

61.7895  GBP

ADR

Purchase

16,937

83.6830  USD

Rio Tinto plc 10p ordinary

Purchase

15,160

62.0783  GBP

ADR

Purchase

14,653

83.7499  USD

ADR

Purchase

12,997

83.9145  USD

Rio Tinto plc 10p ordinary

Purchase

12,666

61.7321  GBP

Rio Tinto plc 10p ordinary

Purchase

12,349

62.1431  GBP

ADR

Purchase

10,885

83.8158  USD

Rio Tinto plc 10p ordinary

Purchase

10,568

61.7957  GBP

Rio Tinto plc 10p ordinary

Purchase

9,569

61.7650  GBP

ADR

Purchase

9,557

83.6760  USD

ADR

Purchase

9,028

83.6347  USD

Rio Tinto plc 10p ordinary

Purchase

8,600

61.7845  GBP

ADR

Purchase

7,913

83.7804  USD

ADR

Purchase

7,818

83.7552  USD

Rio Tinto plc 10p ordinary

Purchase

7,703

61.7062  GBP

Rio Tinto plc 10p ordinary

Purchase

7,580

61.9269  GBP

Rio Tinto plc 10p ordinary

Purchase

7,230

61.7820  GBP

Rio Tinto plc 10p ordinary

Purchase

6,300

61.9494  GBP

ADR

Purchase

6,046

83.6075  USD

Rio Tinto plc 10p ordinary

Purchase

5,984

61.8158  GBP

ADR

Purchase

5,911

83.5900  USD

Rio Tinto plc 10p ordinary

Purchase

5,808

61.7968  GBP

Rio Tinto plc 10p ordinary

Purchase

5,106

61.9395  GBP

Rio Tinto plc 10p ordinary

Purchase

4,078

61.7017  GBP

ADR

Purchase

4,000

83.7973  USD

Rio Tinto plc 10p ordinary

Purchase

3,281

62.1406  GBP

ADR

Purchase

2,890

83.6464  USD

Rio Tinto plc 10p ordinary

Purchase

2,815

61.7284  GBP

Rio Tinto plc 10p ordinary

Purchase

2,666

71.5722  EUR

Rio Tinto plc 10p ordinary

Purchase

2,651

61.7009  GBP

Rio Tinto plc 10p ordinary

Purchase

2,536

61.7204  GBP

ADR

Purchase

2,431

83.7420  USD

Rio Tinto plc 10p ordinary

Purchase

2,387

62.0035  GBP

ADR

Purchase

2,191

83.6587  USD

Rio Tinto plc 10p ordinary

Purchase

2,174

62.0370  GBP

Rio Tinto plc 10p ordinary

Purchase

2,077

61.9829  GBP

Rio Tinto plc 10p ordinary

Purchase

2,048

61.9889  GBP

Rio Tinto plc 10p ordinary

Purchase

1,749

61.8948  GBP

Rio Tinto plc 10p ordinary

Purchase

1,692

71.6659  EUR

Rio Tinto plc 10p ordinary

Purchase

1,623

61.9683  GBP

ADR

Purchase

1,575

83.6255  USD

Rio Tinto plc 10p ordinary

Purchase

1,527

61.7600  GBP

ADR

Purchase

1,367

83.6479  USD

Rio Tinto plc 10p ordinary

Purchase

1,351

61.5800  GBP

Rio Tinto plc 10p ordinary

Purchase

1,316

61.5218  GBP

ADR

Purchase

1,146

83.6549  USD

Rio Tinto plc 10p ordinary

Purchase

1,127

61.8124  GBP

ADR

Purchase

1,100

83.8918  USD

ADR

Purchase

1,028

83.7966  USD

Rio Tinto plc 10p ordinary

Purchase

1,018

61.6517  GBP

Rio Tinto plc 10p ordinary

Purchase

940

61.4800  GBP

Rio Tinto plc 10p ordinary

Purchase

842

61.4600  GBP

Rio Tinto plc 10p ordinary

Purchase

816

61.5700  GBP

Rio Tinto plc 10p ordinary

Purchase

800

61.9800  GBP

Rio Tinto plc 10p ordinary

Purchase

724

62.1305  GBP

Rio Tinto plc 10p ordinary

Purchase

702

62.1802  GBP

ADR

Purchase

649

83.5896  USD

Rio Tinto plc 10p ordinary

Purchase

636

61.6345  GBP

Rio Tinto plc 10p ordinary

Purchase

635

61.8414  GBP

Rio Tinto plc 10p ordinary

Purchase

582

61.9500  GBP

ADR

Purchase

562

83.8350  USD

ADR

Purchase

531

83.6551  USD

Rio Tinto plc 10p ordinary

Purchase

512

61.7800  GBP

Rio Tinto plc 10p ordinary

Purchase

503

61.5963  GBP

ADR

Purchase

489

83.9519  USD

ADR

Purchase

480

83.5958  USD

ADR

Purchase

437

83.7573  USD

ADR

Purchase

431

83.9511  USD

Rio Tinto plc 10p ordinary

Purchase

426

62.0336  GBP

Rio Tinto plc 10p ordinary

Purchase

426

62.1145  GBP

Rio Tinto plc 10p ordinary

Purchase

424

61.9342  GBP

ADR

Purchase

409

83.8044  USD

Rio Tinto plc 10p ordinary

Purchase

408

61.5845  GBP

ADR

Purchase

400

83.8600  USD

ADR

Purchase

400

83.6300  USD

Rio Tinto plc 10p ordinary

Purchase

382

62.1000  GBP

Rio Tinto plc 10p ordinary

Purchase

381

61.7322  GBP

Rio Tinto plc 10p ordinary

Purchase

379

62.0624  GBP

ADR

Purchase

373

83.9160  USD

ADR

Purchase

368

83.7713  USD

Rio Tinto plc 10p ordinary

Purchase

346

61.9293  GBP

Rio Tinto plc 10p ordinary

Purchase

345

61.7700  GBP

Rio Tinto plc 10p ordinary

Purchase

342

61.5900  GBP

Rio Tinto plc 10p ordinary

Purchase

337

61.9700  GBP

Rio Tinto plc 10p ordinary

Purchase

336

62.1350  GBP

ADR

Purchase

334

83.5843  USD

ADR

Purchase

332

83.5688  USD

Rio Tinto plc 10p ordinary

Purchase

328

61.4100  GBP

Rio Tinto plc 10p ordinary

Purchase

324

61.9872  GBP

ADR

Purchase

319

83.5691  USD

Rio Tinto plc 10p ordinary

Purchase

301

61.6000  GBP

Rio Tinto plc 10p ordinary

Purchase

282

61.6853  GBP

Rio Tinto plc 10p ordinary

Purchase

262

61.7716  GBP

Rio Tinto plc 10p ordinary

Purchase

257

62.1700  GBP

Rio Tinto plc 10p ordinary

Purchase

257

61.5600  GBP

Rio Tinto plc 10p ordinary

Purchase

253

61.9000  GBP

ADR

Purchase

230

83.5684  USD

Rio Tinto plc 10p ordinary

Purchase

219

61.6666  GBP

Rio Tinto plc 10p ordinary

Purchase

218

61.5500  GBP

ADR

Purchase

210

83.8925  USD

ADR

Purchase

202

83.5705  USD

ADR

Purchase

200

83.6600  USD

ADR

Purchase

200

83.6100  USD

ADR

Purchase

200

83.6650  USD

ADR

Purchase

200

83.5750  USD

ADR

Purchase

200

83.6050  USD

ADR

Purchase

200

83.7050  USD

Rio Tinto plc 10p ordinary

Purchase

195

61.5638  GBP

ADR

Purchase

192

83.5769  USD

Rio Tinto plc 10p ordinary

Purchase

189

61.6800  GBP

Rio Tinto plc 10p ordinary

Purchase

186

62.0400  GBP

Rio Tinto plc 10p ordinary

Purchase

185

62.2309  GBP

Rio Tinto plc 10p ordinary

Purchase

183

61.5464  GBP

Rio Tinto plc 10p ordinary

Purchase

177

61.8618  GBP

Rio Tinto plc 10p ordinary

Purchase

170

62.0000  GBP

Rio Tinto plc 10p ordinary

Purchase

168

61.6100  GBP

ADR

Purchase

162

83.6204  USD

Rio Tinto plc 10p ordinary

Purchase

155

61.4406  GBP

Rio Tinto plc 10p ordinary

Purchase

154

61.4000  GBP

ADR

Purchase

150

83.5885  USD

Rio Tinto plc 10p ordinary

Purchase

150

61.9100  GBP

ADR

Purchase

145

83.7418  USD

Rio Tinto plc 10p ordinary

Purchase

144

61.8600  GBP

Rio Tinto plc 10p ordinary

Purchase

144

61.7018  GBP

Rio Tinto plc 10p ordinary

Purchase

141

61.3700  GBP

ADR

Purchase

140

83.5671  USD

Rio Tinto plc 10p ordinary

Purchase

137

61.6562  GBP

Rio Tinto plc 10p ordinary

Purchase

136

61.8800  GBP

ADR

Purchase

126

83.6425  USD

ADR

Purchase

125

83.8708  USD

ADR

Purchase

123

83.8710  USD

Rio Tinto plc 10p ordinary

Purchase

122

61.6900  GBP

ADR

Purchase

122

83.6371  USD

Rio Tinto plc 10p ordinary

Purchase

121

61.3600  GBP

Rio Tinto plc 10p ordinary

Purchase

121

62.0161  GBP

Rio Tinto plc 10p ordinary

Purchase

117

61.5100  GBP

ADR

Purchase

116

83.6093  USD

ADR

Purchase

116

83.5711  USD

Rio Tinto plc 10p ordinary

Purchase

114

61.6123  GBP

ADR

Purchase

114

83.5663  USD

ADR

Purchase

111

83.5689  USD

Rio Tinto plc 10p ordinary

Purchase

110

61.6700  GBP

Rio Tinto plc 10p ordinary

Purchase

109

62.1450  GBP

ADR

Purchase

109

83.5979  USD

Rio Tinto plc 10p ordinary

Purchase

109

62.0700  GBP

ADR

Purchase

107

83.6356  USD

Rio Tinto plc 10p ordinary

Purchase

101

62.1300  GBP

ADR

Purchase

100

83.6000  USD

ADR

Purchase

100

83.6700  USD

ADR

Purchase

99

83.5694  USD

Rio Tinto plc 10p ordinary

Purchase

99

61.7000  GBP

Rio Tinto plc 10p ordinary

Purchase

98

61.6065  GBP

ADR

Purchase

93

83.6517  USD

ADR

Purchase

88

83.9805  USD

Rio Tinto plc 10p ordinary

Purchase

88

61.5513  GBP

ADR

Purchase

85

83.6326  USD

Rio Tinto plc 10p ordinary

Purchase

80

61.5950  GBP

Rio Tinto plc 10p ordinary

Purchase

79

61.6600  GBP

Rio Tinto plc 10p ordinary

Purchase

79

61.7846  GBP

ADR

Purchase

76

83.5781  USD

ADR

Purchase

74

83.5643  USD

Rio Tinto plc 10p ordinary

Purchase

70

61.5200  GBP

Rio Tinto plc 10p ordinary

Purchase

69

62.0200  GBP

Rio Tinto plc 10p ordinary

Purchase

66

62.1200  GBP

Rio Tinto plc 10p ordinary

Purchase

64

61.8000  GBP

Rio Tinto plc 10p ordinary

Purchase

64

61.6406  GBP

Rio Tinto plc 10p ordinary

Purchase

63

62.2450  GBP

Rio Tinto plc 10p ordinary

Purchase

62

61.7400  GBP

Rio Tinto plc 10p ordinary

Purchase

58

61.6300  GBP

ADR

Purchase

54

83.6526  USD

Rio Tinto plc 10p ordinary

Purchase

53

62.1650  GBP

Rio Tinto plc 10p ordinary

Purchase

48

61.3800  GBP

ADR

Purchase

46

83.5300  USD

Rio Tinto plc 10p ordinary

Purchase

44

62.0100  GBP

Rio Tinto plc 10p ordinary

Purchase

43

61.9600  GBP

ADR

Purchase

41

83.9692  USD

Rio Tinto plc 10p ordinary

Purchase

37

61.5835  GBP

Rio Tinto plc 10p ordinary

Purchase

35

61.6036  GBP

Rio Tinto plc 10p ordinary

Purchase

34

61.9300  GBP

ADR

Purchase

26

83.5746  USD

Rio Tinto plc 10p ordinary

Purchase

24

61.8300  GBP

Rio Tinto plc 10p ordinary

Purchase

24

61.8100  GBP

ADR

Purchase

24

83.6500  USD

ADR

Purchase

21

83.5887  USD

Rio Tinto plc 10p ordinary

Purchase

21

61.7590  GBP

Rio Tinto plc 10p ordinary

Purchase

18

62.1250  GBP

Rio Tinto plc 10p ordinary

Purchase

16

61.7200  GBP

Rio Tinto plc 10p ordinary

Purchase

16

61.4300  GBP

Rio Tinto plc 10p ordinary

Purchase

15

61.5400  GBP

Rio Tinto plc 10p ordinary

Purchase

14

61.6500  GBP

Rio Tinto plc 10p ordinary

Purchase

14

61.8560  GBP

ADR

Purchase

12

83.6528  USD

Rio Tinto plc 10p ordinary

Purchase

12

61.8900  GBP

Rio Tinto plc 10p ordinary

Purchase

8

61.6200  GBP

Rio Tinto plc 10p ordinary

Purchase

7

61.7847  GBP

ADR

Purchase

5

83.7400  USD

ADR

Purchase

2

83.8590  USD

Rio Tinto plc 10p ordinary

Sale

90,329

62.1400  GBP

Rio Tinto plc 10p ordinary

Sale

76,481

62.1335  GBP

Rio Tinto plc 10p ordinary

Sale

61,337

62.1404  GBP

Rio Tinto plc 10p ordinary

Sale

39,992

62.1524  GBP

Rio Tinto plc 10p ordinary

Sale

38,410

61.9753  GBP

Rio Tinto plc 10p ordinary

Sale

35,944

61.9722  GBP

ADR

Sale

28,484

83.7003  USD

Rio Tinto plc 10p ordinary

Sale

25,986

61.9590  GBP

Rio Tinto plc 10p ordinary

Sale

25,850

61.9436  GBP

Rio Tinto plc 10p ordinary

Sale

23,447

62.0019  GBP

Rio Tinto plc 10p ordinary

Sale

20,430

61.9562  GBP

Rio Tinto plc 10p ordinary

Sale

17,667

61.6912  GBP

Rio Tinto plc 10p ordinary

Sale

16,801

62.1395  GBP

Rio Tinto plc 10p ordinary

Sale

13,521

62.0771  GBP

Rio Tinto plc 10p ordinary

Sale

13,199

62.1257  GBP

Rio Tinto plc 10p ordinary

Sale

9,978

62.0785  GBP

ADR

Sale

9,824

83.6800  USD

Rio Tinto plc 10p ordinary

Sale

9,626

62.0337  GBP

Rio Tinto plc 10p ordinary

Sale

9,434

62.1050  GBP

Rio Tinto plc 10p ordinary

Sale

9,383

71.5910  EUR

Rio Tinto plc 10p ordinary

Sale

8,800

61.6236  GBP

ADR

Sale

8,548

83.6055  USD

Rio Tinto plc 10p ordinary

Sale

8,405

61.8995  GBP

ADR

Sale

8,354

83.7598  USD

ADR

Sale

8,135

83.7593  USD

Rio Tinto plc 10p ordinary

Sale

7,695

62.1437  GBP

Rio Tinto plc 10p ordinary

Sale

7,029

62.0940  GBP

ADR

Sale

6,544

83.7716  USD

ADR

Sale

6,335

83.6200  USD

Rio Tinto plc 10p ordinary

Sale

5,901

62.0348  GBP

ADR

Sale

5,559

83.8228  USD

Rio Tinto plc 10p ordinary

Sale

4,979

61.9904  GBP

Rio Tinto plc 10p ordinary

Sale

4,330

62.0366  GBP

ADR

Sale

4,184

84.0361  USD

Rio Tinto plc 10p ordinary

Sale

4,180

62.0357  GBP

ADR

Sale

3,822

83.7309  USD

Rio Tinto plc 10p ordinary

Sale

3,779

61.9866  GBP

ADR

Sale

3,722

83.8517  USD

Rio Tinto plc 10p ordinary

Sale

3,614

61.9627  GBP

Rio Tinto plc 10p ordinary

Sale

3,530

61.7655  GBP

ADR

Sale

3,359

83.7096  USD

Rio Tinto plc 10p ordinary

Sale

3,353

61.8627  GBP

Rio Tinto plc 10p ordinary

Sale

3,301

61.9809  GBP

Rio Tinto plc 10p ordinary

Sale

3,262

61.8329  GBP

Rio Tinto plc 10p ordinary

Sale

3,178

61.9806  GBP

Rio Tinto plc 10p ordinary

Sale

3,134

61.9685  GBP

Rio Tinto plc 10p ordinary

Sale

3,025

62.2639  GBP

Rio Tinto plc 10p ordinary

Sale

3,016

62.3365  GBP

Rio Tinto plc 10p ordinary

Sale

2,925

61.9314  GBP

Rio Tinto plc 10p ordinary

Sale

2,784

62.0553  GBP

ADR

Sale

2,632

83.9391  USD

ADR

Sale

2,512

83.5900  USD

Rio Tinto plc 10p ordinary

Sale

2,455

61.9303  GBP

ADR

Sale

2,424

83.8613  USD

Rio Tinto plc 10p ordinary

Sale

2,212

62.1627  GBP

ADR

Sale

2,141

83.7648  USD

Rio Tinto plc 10p ordinary

Sale

1,877

62.3325  GBP

Rio Tinto plc 10p ordinary

Sale

1,790

62.2254  GBP

Rio Tinto plc 10p ordinary

Sale

1,690

62.0369  GBP

Rio Tinto plc 10p ordinary

Sale

1,644

61.5107  GBP

ADR

Sale

1,575

83.6255  USD

Rio Tinto plc 10p ordinary

Sale

1,570

62.0554  GBP

ADR

Sale

1,569

83.7926  USD

Rio Tinto plc 10p ordinary

Sale

1,532

62.1231  GBP

Rio Tinto plc 10p ordinary

Sale

1,529

61.7300  GBP

Rio Tinto plc 10p ordinary

Sale

1,491

61.5700  GBP

Rio Tinto plc 10p ordinary

Sale

1,352

61.5631  GBP

Rio Tinto plc 10p ordinary

Sale

1,311

61.7427  GBP

ADR

Sale

1,265

83.6547  USD

Rio Tinto plc 10p ordinary

Sale

1,248

61.9368  GBP

Rio Tinto plc 10p ordinary

Sale

1,171

61.6775  GBP

ADR

Sale

1,162

83.7868  USD

ADR

Sale

1,135

83.8018  USD

ADR

Sale

1,118

83.7759  USD

ADR

Sale

1,079

83.7832  USD

Rio Tinto plc 10p ordinary

Sale

976

61.9906  GBP

Rio Tinto plc 10p ordinary

Sale

940

61.4800  GBP

Rio Tinto plc 10p ordinary

Sale

852

62.1145  GBP

Rio Tinto plc 10p ordinary

Sale

833

62.1700  GBP

Rio Tinto plc 10p ordinary

Sale

793

61.6237  GBP

Rio Tinto plc 10p ordinary

Sale

788

61.7012  GBP

Rio Tinto plc 10p ordinary

Sale

784

61.6328  GBP

Rio Tinto plc 10p ordinary

Sale

758

62.0624  GBP

Rio Tinto plc 10p ordinary

Sale

689

61.6256  GBP

Rio Tinto plc 10p ordinary

Sale

687

61.7716  GBP

Rio Tinto plc 10p ordinary

Sale

678

71.6743  EUR

Rio Tinto plc 10p ordinary

Sale

677

61.8872  GBP

ADR

Sale

666

83.8542  USD

Rio Tinto plc 10p ordinary

Sale

661

62.1275  GBP

Rio Tinto plc 10p ordinary

Sale

660

62.3361  GBP

Rio Tinto plc 10p ordinary

Sale

658

61.6436  GBP

Rio Tinto plc 10p ordinary

Sale

650

62.3247  GBP

Rio Tinto plc 10p ordinary

Sale

622

61.9701  GBP

Rio Tinto plc 10p ordinary

Sale

616

61.9670  GBP

ADR

Sale

600

83.6741  USD

Rio Tinto plc 10p ordinary

Sale

598

61.8314  GBP

ADR

Sale

562

83.8350  USD

Rio Tinto plc 10p ordinary

Sale

551

61.5800  GBP

Rio Tinto plc 10p ordinary

Sale

547

62.3388  GBP

Rio Tinto plc 10p ordinary

Sale

537

61.6688  GBP

Rio Tinto plc 10p ordinary

Sale

512

61.7800  GBP

ADR

Sale

510

83.8843  USD

Rio Tinto plc 10p ordinary

Sale

503

62.0479  GBP

Rio Tinto plc 10p ordinary

Sale

482

61.7286  GBP

Rio Tinto plc 10p ordinary

Sale

455

61.7225  GBP

ADR

Sale

452

83.8145  USD

ADR

Sale

437

83.7573  USD

Rio Tinto plc 10p ordinary

Sale

422

62.0818  GBP

Rio Tinto plc 10p ordinary

Sale

407

62.1493  GBP

ADR

Sale

405

83.8100  USD

ADR

Sale

400

83.8600  USD

ADR

Sale

400

83.7150  USD

ADR

Sale

391

83.6000  USD

Rio Tinto plc 10p ordinary

Sale

382

62.1009  GBP

Rio Tinto plc 10p ordinary

Sale

374

61.4569  GBP

Rio Tinto plc 10p ordinary

Sale

370

62.2309  GBP

Rio Tinto plc 10p ordinary

Sale

354

61.8618  GBP

Rio Tinto plc 10p ordinary

Sale

347

61.9953  GBP

Rio Tinto plc 10p ordinary

Sale

345

61.7700  GBP

Rio Tinto plc 10p ordinary

Sale

343

61.7735  GBP

Rio Tinto plc 10p ordinary

Sale

339

61.7878  GBP

Rio Tinto plc 10p ordinary

Sale

337

61.9700  GBP

Rio Tinto plc 10p ordinary

Sale

336

62.1350  GBP

Rio Tinto plc 10p ordinary

Sale

333

62.2958  GBP

Rio Tinto plc 10p ordinary

Sale

328

62.1462  GBP

ADR

Sale

309

83.8859  USD

Rio Tinto plc 10p ordinary

Sale

301

61.6000  GBP

ADR

Sale

292

83.7818  USD

Rio Tinto plc 10p ordinary

Sale

280

61.8000  GBP

Rio Tinto plc 10p ordinary

Sale

278

62.0150  GBP

ADR

Sale

259

83.6898  USD

ADR

Sale

258

83.8941  USD

Rio Tinto plc 10p ordinary

Sale

257

61.5600  GBP

Rio Tinto plc 10p ordinary

Sale

253

61.9000  GBP

ADR

Sale

246

83.8710  USD

Rio Tinto plc 10p ordinary

Sale

244

61.8289  GBP

Rio Tinto plc 10p ordinary

Sale

242

61.7900  GBP

Rio Tinto plc 10p ordinary

Sale

236

61.5900  GBP

Rio Tinto plc 10p ordinary

Sale

216

61.8210  GBP

Rio Tinto plc 10p ordinary

Sale

208

61.5500  GBP

ADR

Sale

200

83.6100  USD

Rio Tinto plc 10p ordinary

Sale

198

61.9500  GBP

Rio Tinto plc 10p ordinary

Sale

197

61.7500  GBP

Rio Tinto plc 10p ordinary

Sale

189

61.6800  GBP

Rio Tinto plc 10p ordinary

Sale

181

62.0700  GBP

ADR

Sale

175

83.9028  USD

Rio Tinto plc 10p ordinary

Sale

174

61.7080  GBP

Rio Tinto plc 10p ordinary

Sale

170

62.0000  GBP

Rio Tinto plc 10p ordinary

Sale

168

61.6100  GBP

Rio Tinto plc 10p ordinary

Sale

165

62.1237  GBP

Rio Tinto plc 10p ordinary

Sale

161

61.4400  GBP

Rio Tinto plc 10p ordinary

Sale

154

61.4000  GBP

ADR

Sale

153

83.6089  USD

Rio Tinto plc 10p ordinary

Sale

146

61.8550  GBP

Rio Tinto plc 10p ordinary

Sale

144

61.8600  GBP

Rio Tinto plc 10p ordinary

Sale

141

61.3700  GBP

Rio Tinto plc 10p ordinary

Sale

136

61.8800  GBP

Rio Tinto plc 10p ordinary

Sale

134

61.6304  GBP

Rio Tinto plc 10p ordinary

Sale

131

62.1422  GBP

Rio Tinto plc 10p ordinary

Sale

129

61.7713  GBP

Rio Tinto plc 10p ordinary

Sale

126

62.0638  GBP

Rio Tinto plc 10p ordinary

Sale

122

61.6900  GBP

Rio Tinto plc 10p ordinary

Sale

121

61.3600  GBP

Rio Tinto plc 10p ordinary

Sale

121

61.9900  GBP

Rio Tinto plc 10p ordinary

Sale

120

61.7600  GBP

Rio Tinto plc 10p ordinary

Sale

117

61.6700  GBP

Rio Tinto plc 10p ordinary

Sale

112

61.9633  GBP

ADR

Sale

110

83.7802  USD

Rio Tinto plc 10p ordinary

Sale

109

62.3400  GBP

Rio Tinto plc 10p ordinary

Sale

109

62.0718  GBP

Rio Tinto plc 10p ordinary

Sale

109

62.1450  GBP

Rio Tinto plc 10p ordinary

Sale

108

61.9600  GBP

Rio Tinto plc 10p ordinary

Sale

107

62.1250  GBP

ADR

Sale

105

83.6050  USD

Rio Tinto plc 10p ordinary

Sale

101

62.1300  GBP

Rio Tinto plc 10p ordinary

Sale

100

61.6833  GBP

ADR

Sale

100

83.5950  USD

Rio Tinto plc 10p ordinary

Sale

96

62.3000  GBP

Rio Tinto plc 10p ordinary

Sale

95

62.1699  GBP

Rio Tinto plc 10p ordinary

Sale

85

62.1247  GBP

Rio Tinto plc 10p ordinary

Sale

82

62.4000  GBP

Rio Tinto plc 10p ordinary

Sale

80

61.5950  GBP

Rio Tinto plc 10p ordinary

Sale

80

61.9800  GBP

Rio Tinto plc 10p ordinary

Sale

79

61.7000  GBP

Rio Tinto plc 10p ordinary

Sale

79

61.6600  GBP

Rio Tinto plc 10p ordinary

Sale

78

62.2600  GBP

Rio Tinto plc 10p ordinary

Sale

78

61.9930  GBP

ADR

Sale

76

83.7306  USD

Rio Tinto plc 10p ordinary

Sale

69

62.0200  GBP

Rio Tinto plc 10p ordinary

Sale

63

62.2450  GBP

Rio Tinto plc 10p ordinary

Sale

62

61.7400  GBP

Rio Tinto plc 10p ordinary

Sale

58

61.6300  GBP

Rio Tinto plc 10p ordinary

Sale

58

61.5200  GBP

Rio Tinto plc 10p ordinary

Sale

57

62.0400  GBP

Rio Tinto plc 10p ordinary

Sale

53

62.1650  GBP

Rio Tinto plc 10p ordinary

Sale

49

62.3050  GBP

Rio Tinto plc 10p ordinary

Sale

48

61.3800  GBP

ADR

Sale

46

83.5300  USD

Rio Tinto plc 10p ordinary

Sale

44

62.0100  GBP

ADR

Sale

41

83.9100  USD

Rio Tinto plc 10p ordinary

Sale

34

61.9300  GBP

Rio Tinto plc 10p ordinary

Sale

24

61.8100  GBP

Rio Tinto plc 10p ordinary

Sale

24

61.8300  GBP

Rio Tinto plc 10p ordinary

Sale

21

61.7590  GBP

ADR

Sale

20

83.7250  USD

ADR

Sale

20

83.8200  USD

Rio Tinto plc 10p ordinary

Sale

16

61.4300  GBP

Rio Tinto plc 10p ordinary

Sale

16

61.7200  GBP

Rio Tinto plc 10p ordinary

Sale

15

61.5400  GBP

Rio Tinto plc 10p ordinary

Sale

14

61.6500  GBP

Rio Tinto plc 10p ordinary

Sale

12

61.8900  GBP

Rio Tinto plc 10p ordinary

Sale

11

62.1200  GBP

ADR

Sale

9

83.6300  USD

ADR

Sale

8

83.7481  USD

Rio Tinto plc 10p ordinary

Sale

8

61.6200  GBP

ADR

Sale

4

83.8590  USD

ADR

Sale

3

83.7700  USD

Rio Tinto Limited ordinary

Purchase

13,440

145.5522  AUD

Rio Tinto Limited ordinary

Purchase

728

146.5186  AUD

Rio Tinto Limited ordinary

Purchase

347

146.1891  AUD

Rio Tinto Limited ordinary

Purchase

259

146.2892  AUD

Rio Tinto Limited ordinary

Purchase

93

146.0367  AUD

Rio Tinto Limited ordinary

Purchase

47

145.5300  AUD

Rio Tinto Limited ordinary

Purchase

12

145.5401  AUD

Rio Tinto Limited ordinary

Sale

3,280

146.1872  AUD

Rio Tinto Limited ordinary

Sale

1,227

145.5009  AUD

Rio Tinto Limited ordinary

Sale

917

143.4409  AUD

Rio Tinto Limited ordinary

Sale

541

145.8559  AUD

Rio Tinto Limited ordinary

Sale

177

146.1407  AUD

Rio Tinto Limited ordinary

Sale

159

146.1908  AUD

Rio Tinto Limited ordinary

Sale

95

146.1582  AUD

Rio Tinto Limited ordinary

Sale

93

146.0367  AUD

Rio Tinto Limited ordinary

Sale

93

146.4813  AUD

Rio Tinto Limited ordinary

Sale

47

145.5300  AUD

Rio Tinto Limited ordinary

Sale

26

143.2700  AUD

Rio Tinto Limited ordinary

Sale

26

146.4517  AUD

Rio Tinto Limited ordinary

Sale

25

146.1436  AUD

Rio Tinto Limited ordinary

Sale

20

145.9890  AUD

(b)

Cash-settled derivative transactions

Class of

 relevant

 security

Product  description

Nature of dealing

Number of

 reference

 securities

Price per

 unit

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

36,668

60.4676  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

3,650

61.3855  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

374

61.4569  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

4,824

61.5450  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

658

61.6436  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,473

61.6602  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,059

61.7170  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

482

61.7286  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,071

61.7300  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

687

61.7716  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

8,405

61.8995  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

13,017

61.9201  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

2,455

61.9303  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

25,986

61.9590  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

616

61.9670  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

35,944

61.9722  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

6,566

61.9791  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

3,301

61.9809  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

10,767

61.9836  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1

61.9865  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

3,778

61.9866  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

9,626

62.0337  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

503

62.0479  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

2,784

62.0553  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,570

62.0554  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

13,521

62.0771  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

9,434

62.1050  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,532

62.1231  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

165

62.1237  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

85

62.1246  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

661

62.1275  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

13,509

62.1359  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

16,801

62.1395  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

18,647

62.1400  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

59,770

62.1420  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

131

62.1423  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

40,942

62.1425  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

9

62.1711  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,790

62.2254  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

3,025

62.2639  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

3,016

62.3365  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

109

62.3400  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

82

62.4000  GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

9,383

71.5910  EUR

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

166

61.3804  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

162

61.4404  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

155

61.4406  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

232

61.5109  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

12

61.5199  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1,316

61.5207  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

183

61.5464  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

10

61.5500  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

88

61.5513  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

617

61.5619  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

408

61.5845  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

98

61.6065  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

114

61.6123  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1,300

61.6132  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

64

61.6406  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

13,259

61.6647  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

13,851

61.6824  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

282

61.6853  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

144

61.7018  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

7,703

61.7062  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

278

61.7805  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

79

61.7846  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

7

61.7847  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

707

61.7988  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

465

61.8002  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

43,521

61.8009  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

5,984

61.8158  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1,749

61.8948  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

424

61.9342  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

28,218

61.9360  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

5,106

61.9395  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

2,048

61.9889  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

72

62.0096  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

121

62.0162  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

426

62.0336  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

13,079

62.0487  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

24,590

62.1339  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

67,176

62.1400  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

3,281

62.1405  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

12,349

62.1431  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1,044

62.1524  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

702

62.1802  GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

2,666

71.5722  EUR

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1

71.9100  EUR

Rio Tinto plc 10p ordinary

SWAP

Opening Short

633

61.7516  GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

3,860

61.7912  GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

5,085

61.8867  GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

1,012

62.1356  GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

657

62.1400  GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

78

71.3947  EUR

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

600

71.7021  EUR

Rio Tinto plc 10p ordinary

CFD

Increasing Short

49

61.4642  GBP

Rio Tinto plc 10p ordinary

CFD

Increasing Short

5,630

61.7268  GBP

Rio Tinto plc 10p ordinary

CFD

Increasing Short

1,825

61.7682  GBP

Rio Tinto plc 10p ordinary

CFD

Increasing Short

3,703

61.8752  GBP

Rio Tinto plc 10p ordinary

CFD

Increasing Short

1,691

71.6736  EUR

Rio Tinto Limited ordinary

SWAP

Increasing Long

1,227

145.5008  AUD

Rio Tinto Limited ordinary

SWAP

Increasing Long

2,747

146.1209  AUD

Rio Tinto Limited ordinary

SWAP

Increasing Long

177

146.1406  AUD

Rio Tinto Limited ordinary

SWAP

Increasing Long

159

146.1907  AUD

Rio Tinto Limited ordinary

SWAP

Increasing Long

533

146.4393  AUD

Rio Tinto Limited ordinary

SWAP

Decreasing Long

13,440

145.5667  AUD

Rio Tinto Limited ordinary

CFD

Increasing Long

4,317

145.8449  AUD

Rio Tinto Limited ordinary

CFD

Decreasing Long

21,000

142.3322  AUD

Rio Tinto Limited ordinary

CFD

Decreasing Long

57,200

145.2241  AUD









(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:

14 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

-150,000

60.0000

American

16 Jan 2026

Rio Tinto plc ADR

Put Options

Purchased

-500

63.0000

American

15 Jan 2027

Rio Tinto plc ADR

Put Options

Purchased

-400

60.0000

American

15 Jan 2027

Rio Tinto plc ADR

Call Options

Purchased

1,000

65.0000

American

15 Jan 2027

Rio Tinto plc ADR

Put Options

Written

3,900

55.0000

American

16 Jan 2026

Rio Tinto plc ADR

Put Options

Written

15,400

50.0000

American

16 Jan 2026

Rio Tinto plc ADR

Put Options

Written

30,000

48.0000

American

15 Jan 2027

Rio Tinto plc ADR

Put Options

Written

35,000

60.0000

American

16 Jan 2026









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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