Form8.3RIOTINTOPLCANDRIOTINTOLIMITED Replacement

FORM 8.3 Amendment - this form replaces RNS number 6454P published at 15:32 on 20/01/2026, changes made to section 2A and 2. OPTIONS AND DERIVATIVES (SUPPLEMENTAL FORM 8)

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:

19 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:

9,101,113

0.73%

8,395,662

0.66%

(2) Cash-settled derivatives:

3,932,005

0.31%

4,580,012

0.36%

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

31,000

0.00%

1,515,881

0.12%

TOTAL: 

13,064,118

1.04%

14,491,555

1.14%

Class of relevant security:

Rio Tinto Limited ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1) Relevant securities owned and/or controlled:

924,010

0.25%

1,085,207

0.29%

(2) Cash-settled derivatives:

1,056,451

0.28%

806,095

0.22%

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

0

0.00%

0

0.00%

TOTAL: 

1,980,461

0.53%

1,891,302

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 plc 10p ordinary

Purchase

251,318

63.3900 GBP

Rio Tinto plc 10p ordinary

Purchase

64,900

63.3956 GBP

Rio Tinto plc 10p ordinary

Purchase

54,284

63.4181 GBP

Rio Tinto plc 10p ordinary

Purchase

50,155

63.2900 GBP

Rio Tinto plc 10p ordinary

Purchase

34,040

63.4534 GBP

Rio Tinto plc 10p ordinary

Purchase

25,091

63.3947 GBP

Rio Tinto plc 10p ordinary

Purchase

18,136

63.4078 GBP

Rio Tinto plc 10p ordinary

Purchase

16,559

63.3925 GBP

Rio Tinto plc 10p ordinary

Purchase

11,699

63.4668 GBP

Rio Tinto plc 10p ordinary

Purchase

9,699

63.4020 GBP

Rio Tinto plc 10p ordinary

Purchase

8,768

63.4204 GBP

Rio Tinto plc 10p ordinary

Purchase

8,317

63.5184 GBP

Rio Tinto plc 10p ordinary

Purchase

8,285

63.4850 GBP

Rio Tinto plc 10p ordinary

Purchase

7,911

63.3848 GBP

Rio Tinto plc 10p ordinary

Purchase

5,615

63.5264 GBP

Rio Tinto plc 10p ordinary

Purchase

5,550

63.4222 GBP

Rio Tinto plc 10p ordinary

Purchase

4,746

63.3856 GBP

Rio Tinto plc 10p ordinary

Purchase

4,458

63.2623 GBP

Rio Tinto plc 10p ordinary

Purchase

4,061

63.4525 GBP

Rio Tinto plc 10p ordinary

Purchase

3,886

63.5938 GBP

Rio Tinto plc 10p ordinary

Purchase

3,302

63.4805 GBP

Rio Tinto plc 10p ordinary

Purchase

2,900

63.5014 GBP

Rio Tinto plc 10p ordinary

Purchase

2,831

63.3931 GBP

Rio Tinto plc 10p ordinary

Purchase

2,100

63.6434 GBP

Rio Tinto plc 10p ordinary

Purchase

2,050

63.4876 GBP

Rio Tinto plc 10p ordinary

Purchase

1,749

63.4237 GBP

Rio Tinto plc 10p ordinary

Purchase

1,641

63.4549 GBP

Rio Tinto plc 10p ordinary

Purchase

1,617

63.4026 GBP

Rio Tinto plc 10p ordinary

Purchase

1,550

63.4915 GBP

Rio Tinto plc 10p ordinary

Purchase

1,422

63.4185 GBP

Rio Tinto plc 10p ordinary

Purchase

1,374

63.4691 GBP

Rio Tinto plc 10p ordinary

Purchase

1,309

63.4085 GBP

Rio Tinto plc 10p ordinary

Purchase

1,212

63.2883 GBP

Rio Tinto plc 10p ordinary

Purchase

1,202

63.4977 GBP

Rio Tinto plc 10p ordinary

Purchase

1,192

63.5531 GBP

Rio Tinto plc 10p ordinary

Purchase

1,010

63.3200 GBP

Rio Tinto plc 10p ordinary

Purchase

825

63.3107 GBP

Rio Tinto plc 10p ordinary

Purchase

823

73.3456 EUR

Rio Tinto plc 10p ordinary

Purchase

765

63.3995 GBP

Rio Tinto plc 10p ordinary

Purchase

697

63.4610 GBP

Rio Tinto plc 10p ordinary

Purchase

690

63.4134 GBP

Rio Tinto plc 10p ordinary

Purchase

648

63.3949 GBP

Rio Tinto plc 10p ordinary

Purchase

646

63.4500 GBP

Rio Tinto plc 10p ordinary

Purchase

594

63.4568 GBP

Rio Tinto plc 10p ordinary

Purchase

566

63.5100 GBP

Rio Tinto plc 10p ordinary

Purchase

507

63.5200 GBP

Rio Tinto plc 10p ordinary

Purchase

476

63.5600 GBP

Rio Tinto plc 10p ordinary

Purchase

466

73.5930 EUR

Rio Tinto plc 10p ordinary

Purchase

444

63.4800 GBP

Rio Tinto plc 10p ordinary

Purchase

416

63.6941 GBP

Rio Tinto plc 10p ordinary

Purchase

397

63.4100 GBP

Rio Tinto plc 10p ordinary

Purchase

396

63.5400 GBP

Rio Tinto plc 10p ordinary

Purchase

372

72.9900 EUR

Rio Tinto plc 10p ordinary

Purchase

334

63.5700 GBP

Rio Tinto plc 10p ordinary

Purchase

325

63.5500 GBP

Rio Tinto plc 10p ordinary

Purchase

313

63.5000 GBP

Rio Tinto plc 10p ordinary

Purchase

308

63.5300 GBP

Rio Tinto plc 10p ordinary

Purchase

260

63.5040 GBP

Rio Tinto plc 10p ordinary

Purchase

222

63.5800 GBP

Rio Tinto plc 10p ordinary

Purchase

207

63.4300 GBP

Rio Tinto plc 10p ordinary

Purchase

206

63.4200 GBP

Rio Tinto plc 10p ordinary

Purchase

204

63.6781 GBP

Rio Tinto plc 10p ordinary

Purchase

201

63.3600 GBP

Rio Tinto plc 10p ordinary

Purchase

194

63.8800 GBP

Rio Tinto plc 10p ordinary

Purchase

171

63.4400 GBP

Rio Tinto plc 10p ordinary

Purchase

160

63.7348 GBP

Rio Tinto plc 10p ordinary

Purchase

144

63.4700 GBP

Rio Tinto plc 10p ordinary

Purchase

136

63.4900 GBP

Rio Tinto plc 10p ordinary

Purchase

133

63.2500 GBP

Rio Tinto plc 10p ordinary

Purchase

132

63.4579 GBP

Rio Tinto plc 10p ordinary

Purchase

124

63.5150 GBP

Rio Tinto plc 10p ordinary

Purchase

121

63.4180 GBP

Rio Tinto plc 10p ordinary

Purchase

96

63.4438 GBP

Rio Tinto plc 10p ordinary

Purchase

94

63.5900 GBP

Rio Tinto plc 10p ordinary

Purchase

93

63.1900 GBP

Rio Tinto plc 10p ordinary

Purchase

92

63.3000 GBP

Rio Tinto plc 10p ordinary

Purchase

90

63.4000 GBP

Rio Tinto plc 10p ordinary

Purchase

86

63.3814 GBP

Rio Tinto plc 10p ordinary

Purchase

80

63.5250 GBP

Rio Tinto plc 10p ordinary

Purchase

76

63.4133 GBP

Rio Tinto plc 10p ordinary

Purchase

75

63.3050 GBP

Rio Tinto plc 10p ordinary

Purchase

73

63.5350 GBP

Rio Tinto plc 10p ordinary

Purchase

69

63.2200 GBP

Rio Tinto plc 10p ordinary

Purchase

69

63.4750 GBP

Rio Tinto plc 10p ordinary

Purchase

68

63.5550 GBP

Rio Tinto plc 10p ordinary

Purchase

68

63.2000 GBP

Rio Tinto plc 10p ordinary

Purchase

68

63.3800 GBP

Rio Tinto plc 10p ordinary

Purchase

62

63.2100 GBP

Rio Tinto plc 10p ordinary

Purchase

61

63.5650 GBP

Rio Tinto plc 10p ordinary

Purchase

60

63.2386 GBP

Rio Tinto plc 10p ordinary

Purchase

52

63.4398 GBP

Rio Tinto plc 10p ordinary

Purchase

50

63.2800 GBP

Rio Tinto plc 10p ordinary

Purchase

49

63.2600 GBP

Rio Tinto plc 10p ordinary

Purchase

48

63.5564 GBP

Rio Tinto plc 10p ordinary

Purchase

44

73.4900 EUR

Rio Tinto plc 10p ordinary

Purchase

39

63.4600 GBP

Rio Tinto plc 10p ordinary

Purchase

21

63.4630 GBP

Rio Tinto plc 10p ordinary

Purchase

13

63.9000 GBP

Rio Tinto plc 10p ordinary

Purchase

13

63.8653 GBP

Rio Tinto plc 10p ordinary

Purchase

12

63.3500 GBP

Rio Tinto plc 10p ordinary

Purchase

6

63.4650 GBP

Rio Tinto plc 10p ordinary

Purchase

4

63.7100 GBP

Rio Tinto Limited ordinary

Purchase

8,010

149.5578 AUD

Rio Tinto Limited ordinary

Purchase

6,334

149.3227 AUD

Rio Tinto Limited ordinary

Purchase

2,017

149.2112 AUD

Rio Tinto Limited ordinary

Purchase

1,358

149.1085 AUD

Rio Tinto Limited ordinary

Purchase

948

149.1048 AUD

Rio Tinto Limited ordinary

Purchase

252

149.1638 AUD

Rio Tinto Limited ordinary

Purchase

249

147.0183 AUD

Rio Tinto Limited ordinary

Purchase

241

149.8522 AUD

Rio Tinto Limited ordinary

Purchase

122

149.4879 AUD

Rio Tinto Limited ordinary

Purchase

102

148.9449 AUD

Rio Tinto Limited ordinary

Purchase

91

147.9144 AUD

Rio Tinto Limited ordinary

Purchase

88

149.6400 AUD

Rio Tinto Limited ordinary

Purchase

83

148.3802 AUD

Rio Tinto Limited ordinary

Purchase

73

149.4098 AUD

Rio Tinto Limited ordinary

Purchase

62

149.5636 AUD

Rio Tinto Limited ordinary

Purchase

49

148.9500 AUD

Rio Tinto Limited ordinary

Purchase

40

148.6917 AUD

Rio Tinto Limited ordinary

Purchase

39

148.7500 AUD

Rio Tinto Limited ordinary

Purchase

29

149.5803 AUD

Rio Tinto Limited ordinary

Purchase

7

149.1400 AUD

Rio Tinto Limited ordinary

Sale

8,971

149.4191 AUD

Rio Tinto Limited ordinary

Sale

1,949

149.4294 AUD

Rio Tinto Limited ordinary

Sale

1,739

149.4927 AUD

Rio Tinto Limited ordinary

Sale

1,661

147.3413 AUD

Rio Tinto Limited ordinary

Sale

749

148.9997 AUD

Rio Tinto Limited ordinary

Sale

727

149.8805 AUD

Rio Tinto Limited ordinary

Sale

695

149.5265 AUD

Rio Tinto Limited ordinary

Sale

481

149.6898 AUD

Rio Tinto Limited ordinary

Sale

285

149.0831 AUD

Rio Tinto Limited ordinary

Sale

202

149.0131 AUD

Rio Tinto Limited ordinary

Sale

114

149.8418 AUD

Rio Tinto Limited ordinary

Sale

102

148.8001 AUD

Rio Tinto Limited ordinary

Sale

99

149.3515 AUD

Rio Tinto Limited ordinary

Sale

81

148.9382 AUD

Rio Tinto Limited ordinary

Sale

69

149.5253 AUD

Rio Tinto Limited ordinary

Sale

51

149.7002 AUD

Rio Tinto Limited ordinary

Sale

45

149.7784 AUD

Rio Tinto Limited ordinary

Sale

15

149.6560 AUD

Rio Tinto Limited ordinary

Sale

13

149.5972 AUD

Rio Tinto plc 10p ordinary

Sale

276,277

63.3900 GBP

Rio Tinto plc 10p ordinary

Sale

52,819

63.4495 GBP

Rio Tinto plc 10p ordinary

Sale

48,038

63.4013 GBP

Rio Tinto plc 10p ordinary

Sale

29,354

63.4117 GBP

Rio Tinto plc 10p ordinary

Sale

22,790

63.2900 GBP

Rio Tinto plc 10p ordinary

Sale

21,384

63.4831 GBP

Rio Tinto plc 10p ordinary

Sale

21,384

63.4329 GBP

Rio Tinto plc 10p ordinary

Sale

17,107

63.4314 GBP

Rio Tinto plc 10p ordinary

Sale

12,884

63.4223 GBP

Rio Tinto plc 10p ordinary

Sale

12,026

63.3887 GBP

Rio Tinto plc 10p ordinary

Sale

9,599

63.4325 GBP

Rio Tinto plc 10p ordinary

Sale

7,400

63.4248 GBP

Rio Tinto plc 10p ordinary

Sale

5,828

63.4151 GBP

Rio Tinto plc 10p ordinary

Sale

5,626

63.4959 GBP

Rio Tinto plc 10p ordinary

Sale

5,078

63.3868 GBP

Rio Tinto plc 10p ordinary

Sale

4,811

63.4886 GBP

Rio Tinto plc 10p ordinary

Sale

4,809

63.5320 GBP

Rio Tinto plc 10p ordinary

Sale

4,625

63.4947 GBP

Rio Tinto plc 10p ordinary

Sale

4,266

63.5299 GBP

Rio Tinto plc 10p ordinary

Sale

3,775

63.3008 GBP

Rio Tinto plc 10p ordinary

Sale

3,760

63.4200 GBP

Rio Tinto plc 10p ordinary

Sale

3,484

63.4624 GBP

Rio Tinto plc 10p ordinary

Sale

2,939

63.4124 GBP

Rio Tinto plc 10p ordinary

Sale

2,859

63.4025 GBP

Rio Tinto plc 10p ordinary

Sale

2,701

63.7479 GBP

Rio Tinto plc 10p ordinary

Sale

2,412

63.4331 GBP

Rio Tinto plc 10p ordinary

Sale

2,395

63.5249 GBP

Rio Tinto plc 10p ordinary

Sale

2,154

63.4703 GBP

Rio Tinto plc 10p ordinary

Sale

2,122

63.5105 GBP

Rio Tinto plc 10p ordinary

Sale

1,839

63.5837 GBP

Rio Tinto plc 10p ordinary

Sale

1,696

63.4506 GBP

Rio Tinto plc 10p ordinary

Sale

1,642

63.4432 GBP

Rio Tinto plc 10p ordinary

Sale

1,600

63.3372 GBP

Rio Tinto plc 10p ordinary

Sale

1,504

73.2167 EUR

Rio Tinto plc 10p ordinary

Sale

1,324

63.4399 GBP

Rio Tinto plc 10p ordinary

Sale

1,250

63.5274 GBP

Rio Tinto plc 10p ordinary

Sale

1,238

63.5741 GBP

Rio Tinto plc 10p ordinary

Sale

1,189

63.4671 GBP

Rio Tinto plc 10p ordinary

Sale

1,172

63.3781 GBP

Rio Tinto plc 10p ordinary

Sale

1,167

63.4162 GBP

Rio Tinto plc 10p ordinary

Sale

1,109

63.4688 GBP

Rio Tinto plc 10p ordinary

Sale

1,034

63.3200 GBP

Rio Tinto plc 10p ordinary

Sale

983

63.3852 GBP

Rio Tinto plc 10p ordinary

Sale

874

63.5000 GBP

Rio Tinto plc 10p ordinary

Sale

860

63.4145 GBP

Rio Tinto plc 10p ordinary

Sale

815

63.5914 GBP

Rio Tinto plc 10p ordinary

Sale

782

63.4189 GBP

Rio Tinto plc 10p ordinary

Sale

774

63.4928 GBP

Rio Tinto plc 10p ordinary

Sale

773

63.2949 GBP

Rio Tinto plc 10p ordinary

Sale

706

63.3552 GBP

Rio Tinto plc 10p ordinary

Sale

653

63.5021 GBP

Rio Tinto plc 10p ordinary

Sale

603

63.3962 GBP

Rio Tinto plc 10p ordinary

Sale

576

63.4602 GBP

Rio Tinto plc 10p ordinary

Sale

544

63.3871 GBP

Rio Tinto plc 10p ordinary

Sale

508

63.5100 GBP

Rio Tinto plc 10p ordinary

Sale

478

63.5080 GBP

Rio Tinto plc 10p ordinary

Sale

476

63.5600 GBP

Rio Tinto plc 10p ordinary

Sale

444

63.5200 GBP

Rio Tinto plc 10p ordinary

Sale

443

63.4500 GBP

Rio Tinto plc 10p ordinary

Sale

432

63.7175 GBP

Rio Tinto plc 10p ordinary

Sale

430

63.3053 GBP

Rio Tinto plc 10p ordinary

Sale

396

63.5400 GBP

Rio Tinto plc 10p ordinary

Sale

374

63.3201 GBP

Rio Tinto plc 10p ordinary

Sale

373

63.4259 GBP

Rio Tinto plc 10p ordinary

Sale

366

63.8951 GBP

Rio Tinto plc 10p ordinary

Sale

341

63.6999 GBP

Rio Tinto plc 10p ordinary

Sale

339

63.5672 GBP

Rio Tinto plc 10p ordinary

Sale

334

63.5700 GBP

Rio Tinto plc 10p ordinary

Sale

329

63.2850 GBP

Rio Tinto plc 10p ordinary

Sale

325

63.5500 GBP

Rio Tinto plc 10p ordinary

Sale

313

63.2867 GBP

Rio Tinto plc 10p ordinary

Sale

308

63.5300 GBP

Rio Tinto plc 10p ordinary

Sale

300

63.3044 GBP

Rio Tinto plc 10p ordinary

Sale

299

63.5336 GBP

Rio Tinto plc 10p ordinary

Sale

297

63.4799 GBP

Rio Tinto plc 10p ordinary

Sale

256

63.4475 GBP

Rio Tinto plc 10p ordinary

Sale

248

63.4655 GBP

Rio Tinto plc 10p ordinary

Sale

242

63.4800 GBP

Rio Tinto plc 10p ordinary

Sale

222

63.5800 GBP

Rio Tinto plc 10p ordinary

Sale

216

63.4700 GBP

Rio Tinto plc 10p ordinary

Sale

207

63.4300 GBP

Rio Tinto plc 10p ordinary

Sale

206

63.4114 GBP

Rio Tinto plc 10p ordinary

Sale

201

63.3600 GBP

Rio Tinto plc 10p ordinary

Sale

194

63.8800 GBP

Rio Tinto plc 10p ordinary

Sale

188

63.4600 GBP

Rio Tinto plc 10p ordinary

Sale

176

63.4113 GBP

Rio Tinto plc 10p ordinary

Sale

165

63.5047 GBP

Rio Tinto plc 10p ordinary

Sale

153

63.7306 GBP

Rio Tinto plc 10p ordinary

Sale

138

63.4209 GBP

Rio Tinto plc 10p ordinary

Sale

136

63.4900 GBP

Rio Tinto plc 10p ordinary

Sale

133

63.2500 GBP

Rio Tinto plc 10p ordinary

Sale

132

63.3800 GBP

Rio Tinto plc 10p ordinary

Sale

124

63.5150 GBP

Rio Tinto plc 10p ordinary

Sale

120

63.4100 GBP

Rio Tinto plc 10p ordinary

Sale

99

63.2000 GBP

Rio Tinto plc 10p ordinary

Sale

98

63.4463 GBP

Rio Tinto plc 10p ordinary

Sale

97

63.9100 GBP

Rio Tinto plc 10p ordinary

Sale

96

63.4501 GBP

Rio Tinto plc 10p ordinary

Sale

95

63.5026 GBP

Rio Tinto plc 10p ordinary

Sale

94

63.5900 GBP

Rio Tinto plc 10p ordinary

Sale

93

63.1900 GBP

Rio Tinto plc 10p ordinary

Sale

92

63.3000 GBP

Rio Tinto plc 10p ordinary

Sale

90

63.4000 GBP

Rio Tinto plc 10p ordinary

Sale

85

63.3756 GBP

Rio Tinto plc 10p ordinary

Sale

80

63.5250 GBP

Rio Tinto plc 10p ordinary

Sale

79

63.2556 GBP

Rio Tinto plc 10p ordinary

Sale

75

63.3050 GBP

Rio Tinto plc 10p ordinary

Sale

73

63.4400 GBP

Rio Tinto plc 10p ordinary

Sale

73

63.5350 GBP

Rio Tinto plc 10p ordinary

Sale

69

63.2200 GBP

Rio Tinto plc 10p ordinary

Sale

69

63.4750 GBP

Rio Tinto plc 10p ordinary

Sale

68

63.5550 GBP

Rio Tinto plc 10p ordinary

Sale

62

63.2100 GBP

Rio Tinto plc 10p ordinary

Sale

61

63.5650 GBP

Rio Tinto plc 10p ordinary

Sale

61

63.3700 GBP

Rio Tinto plc 10p ordinary

Sale

61

63.4804 GBP

Rio Tinto plc 10p ordinary

Sale

54

73.0255 EUR

Rio Tinto plc 10p ordinary

Sale

50

63.2800 GBP

Rio Tinto plc 10p ordinary

Sale

49

63.2600 GBP

Rio Tinto plc 10p ordinary

Sale

47

63.4863 GBP

Rio Tinto plc 10p ordinary

Sale

47

63.8206 GBP

Rio Tinto plc 10p ordinary

Sale

44

73.4900 EUR

Rio Tinto plc 10p ordinary

Sale

33

63.3068 GBP

Rio Tinto plc 10p ordinary

Sale

31

63.3235 GBP

Rio Tinto plc 10p ordinary

Sale

29

63.5217 GBP

Rio Tinto plc 10p ordinary

Sale

13

63.9000 GBP

Rio Tinto plc 10p ordinary

Sale

12

63.3419 GBP

Rio Tinto plc 10p ordinary

Sale

10

63.3850 GBP

Rio Tinto plc 10p ordinary

Sale

6

63.4650 GBP

Rio Tinto plc 10p ordinary

Sale

4

63.7100 GBP

(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

174

148.8828 AUD

Rio Tinto Limited ordinary

SWAP

Decreasing Short

81

148.9497 AUD

Rio Tinto Limited ordinary

SWAP

Decreasing Short

749

148.9997 AUD

Rio Tinto Limited ordinary

SWAP

Decreasing Short

202

149.0131 AUD

Rio Tinto Limited ordinary

SWAP

Decreasing Short

1,590

149.0509 AUD

Rio Tinto Limited ordinary

SWAP

Decreasing Short

936

149.0518 AUD

Rio Tinto Limited ordinary

SWAP

Decreasing Short

285

149.0831 AUD

Rio Tinto Limited ordinary

SWAP

Decreasing Short

381

149.4092 AUD

Rio Tinto Limited ordinary

SWAP

Decreasing Short

2,430

149.4809 AUD

Rio Tinto Limited ordinary

SWAP

Decreasing Short

695

149.5264 AUD

Rio Tinto Limited ordinary

SWAP

Decreasing Short

127

149.6193 AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

249

147.0183 AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

15,188

148.1980 AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

40

148.6918 AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

612

149.0625 AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

948

149.1048 AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

252

149.1668 AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

2,017

149.2112 AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

6,334

149.3376 AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

73

149.4098 AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

184

149.5164 AUD

Rio Tinto Limited ordinary

SWAP

Increasing Short

29

149.5802 AUD

Rio Tinto Limited ordinary

CFD

Increasing Long

27,775

149.1849 AUD

Rio Tinto Limited ordinary

CFD

Decreasing Long

12,749

149.3430 AUD

Rio Tinto plc 10p ordinary

SWAP

Decreasing Short

6,001

63.4079 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Short

76

63.2556 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

64

63.2500 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,719

63.2584 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

165

63.2740 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

22,790

63.2900 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

430

63.3053 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

33

63.3068 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

31

63.3236 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

2,056

63.3362 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

554

63.3547 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

209

63.3565 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

85

63.3756 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

10

63.3849 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

5,078

63.3868 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

12,026

63.3887 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

141,953

63.3900 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

5,109

63.3922 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

618

63.3990 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

2,859

63.4025 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

5,926

63.4095 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

206

63.4114 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

2,939

63.4124 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

5,828

63.4151 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,167

63.4162 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

782

63.4189 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

12,884

63.4223 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,179

63.4251 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

50

63.4400 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

508

63.4411 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

537

63.4432 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,186

63.4438 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

52,819

63.4495 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,696

63.4506 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

248

63.4655 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

312

63.4658 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

2,154

63.4703 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

61

63.4804 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

4,625

63.4947 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

653

63.5021 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

4,809

63.5320 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

299

63.5336 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,038

63.5500 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,238

63.5741 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,839

63.5837 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

432

63.7175 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

4,765

63.7668 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

47

63.8206 GBP

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

30

72.9900 EUR

Rio Tinto plc 10p ordinary

SWAP

Increasing Long

1,504

73.2167 EUR

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

3,890

63.2597 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

23

63.2704 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

545

63.2804 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

50,155

63.2900 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1,082

63.3844 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

7,911

63.3848 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

4,746

63.3856 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

134,266

63.3900 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

11,930

63.3921 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

16,559

63.3925 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

2,831

63.3931 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

765

63.3995 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

9,699

63.4020 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1,617

63.4026 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

18,136

63.4078 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

287

63.4100 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

121

63.4181 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

8,768

63.4204 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

5,550

63.4222 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

17

63.4282 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

2,801

63.4313 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

6,427

63.4336 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

52

63.4398 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

4,061

63.4525 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

34,040

63.4534 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

594

63.4568 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

3,302

63.4805 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

8,285

63.4850 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

2,050

63.4876 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

19,373

63.5049 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

5,615

63.5264 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

1,192

63.5531 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

48

63.5565 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

13

63.8651 GBP

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

823

73.3456 EUR

Rio Tinto plc 10p ordinary

SWAP

Decreasing Long

22

73.4900 EUR

Rio Tinto plc 10p ordinary

SWAP

Increasing Short

401

63.5531 GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

195

63.3900 GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

9,790

63.4556 GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

446

63.7491 GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

54

63.8262 GBP

Rio Tinto plc 10p ordinary

CFD

Decreasing Short

24

73.0641 EUR

Rio Tinto plc 10p ordinary

CFD

Increasing Short

93

63.3944 GBP

Rio Tinto plc 10p ordinary

CFD

Increasing Short

372

72.9900 EUR

Rio Tinto plc 10p ordinary

CFD

Increasing Short

44

73.4900 EUR

Rio Tinto plc 10p ordinary

CFD

Increasing Short

400

73.6181 EUR

(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:

26-Jan-26

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

63.0000

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

1000

65.0000

American

15 Jan 2027

Rio Tinto plc ADR

Call Options

Written

-540056

76.5331

European

14 Jan 2027

Rio Tinto plc ADR

Call Options

Written

-403634

73.2443

European

15 Jan 2027

Rio Tinto plc ADR

Put Options

Written

30000

48.0000

American

15 Jan 2027

Rio Tinto plc 10p ordinary

Call Options

Written

-428783

51.5974

European

08 Jan 2027

Rio Tinto plc 10p ordinary

Call Options

Written

-142508

57.9288

European

20 Oct 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: