Form 8.3 INTERTEK GROUP PLC

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

INTERTEK GROUP PLC

relevant securities this form relates:

(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:

30 Apr 2026

(f)

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

NO

disclosures in respect of any other party to the offer?

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:

1p ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

1,516,741

0.99%

2,129,584

1.38%

(2)

Cash-settled derivatives:

1,453,475

0.94%

1,023,475

0.66%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

2,970,216

1.93%

3,153,059

2.05%

(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)

Purchases and sales

Class of relevant

Purchase/sale

Number of

Price per unit

security

securities

1p ordinary

Purchase

41,308

47.3715 GBP

1p ordinary

Purchase

26,235

47.3475 GBP

1p ordinary

Purchase

14,798

47.3700 GBP

1p ordinary

Purchase

12,000

47.4522 GBP

1p ordinary

Purchase

7,428

47.3609 GBP

1p ordinary

Purchase

6,856

47.2137 GBP

1p ordinary

Purchase

3,189

47.2254 GBP

1p ordinary

Purchase

2,987

47.3108 GBP

1p ordinary

Purchase

2,825

47.4684 GBP

1p ordinary

Purchase

2,321

47.3659 GBP

1p ordinary

Purchase

2,283

47.3466 GBP

1p ordinary

Purchase

2,140

47.3536 GBP

1p ordinary

Purchase

2,016

47.4652 GBP

1p ordinary

Purchase

1,442

47.6966 GBP

1p ordinary

Purchase

1,442

47.2525 GBP

1p ordinary

Purchase

1,417

47.3113 GBP

1p ordinary

Purchase

1,411

47.4543 GBP

1p ordinary

Purchase

1,125

47.8850 GBP

1p ordinary

Purchase

1,125

48.6040 GBP

1p ordinary

Purchase

1,125

47.8050 GBP

1p ordinary

Purchase

1,121

47.3794 GBP

1p ordinary

Purchase

960

47.7351 GBP

1p ordinary

Purchase

790

47.7150 GBP

1p ordinary

Purchase

752

47.7316 GBP

1p ordinary

Purchase

733

47.4182 GBP

1p ordinary

Purchase

675

47.3146 GBP

1p ordinary

Purchase

672

47.3169 GBP

1p ordinary

Purchase

615

47.3795 GBP

1p ordinary

Purchase

563

48.1670 GBP

1p ordinary

Purchase

562

47.7040 GBP

1p ordinary

Purchase

562

48.0790 GBP

1p ordinary

Purchase

540

47.4297 GBP

1p ordinary

Purchase

530

47.7579 GBP

1p ordinary

Purchase

500

47.6200 GBP

1p ordinary

Purchase

470

47.0221 GBP

1p ordinary

Purchase

419

47.0161 GBP

1p ordinary

Purchase

392

47.0504 GBP

1p ordinary

Purchase

325

47.4369 GBP

1p ordinary

Purchase

280

47.4527 GBP

1p ordinary

Purchase

259

47.6712 GBP

1p ordinary

Purchase

248

47.1291 GBP

1p ordinary

Purchase

246

47.0300 GBP

1p ordinary

Purchase

238

47.6300 GBP

1p ordinary

Purchase

212

47.5237 GBP

1p ordinary

Purchase

209

47.3960 GBP

1p ordinary

Purchase

204

47.2500 GBP

1p ordinary

Purchase

196

47.6400 GBP

1p ordinary

Purchase

164

47.4689 GBP

1p ordinary

Purchase

155

47.5220 GBP

1p ordinary

Purchase

122

47.3100 GBP

1p ordinary

Purchase

120

47.6600 GBP

1p ordinary

Purchase

98

47.0871 GBP

1p ordinary

Purchase

92

47.4603 GBP

1p ordinary

Purchase

88

47.3000 GBP

1p ordinary

Purchase

85

47.1300 GBP

1p ordinary

Purchase

80

47.5100 GBP

1p ordinary

Purchase

79

47.0100 GBP

1p ordinary

Purchase

78

47.2600 GBP

1p ordinary

Purchase

73

47.4050 GBP

1p ordinary

Purchase

62

47.1600 GBP

1p ordinary

Purchase

62

47.6550 GBP

1p ordinary

Purchase

62

47.6250 GBP

1p ordinary

Purchase

56

47.2450 GBP

1p ordinary

Purchase

45

47.1700 GBP

1p ordinary

Purchase

44

47.3200 GBP

1p ordinary

Purchase

43

47.4900 GBP

1p ordinary

Purchase

32

47.3250 GBP

1p ordinary

Purchase

29

47.1800 GBP

1p ordinary

Purchase

28

47.3900 GBP

1p ordinary

Purchase

24

47.5350 GBP

1p ordinary

Purchase

24

47.3287 GBP

1p ordinary

Purchase

15

47.2700 GBP

1p ordinary

Purchase

15

47.3793 GBP

1p ordinary

Purchase

15

47.2900 GBP

1p ordinary

Purchase

14

47.2400 GBP

1p ordinary

Purchase

14

47.1900 GBP

1p ordinary

Purchase

1

47.1625 GBP

1p ordinary

Sale

33,608

47.4300 GBP

1p ordinary

Sale

26,336

47.3969 GBP

1p ordinary

Sale

25,852

47.3700 GBP

1p ordinary

Sale

22,517

47.3227 GBP

1p ordinary

Sale

17,025

47.3666 GBP

1p ordinary

Sale

15,722

47.1241 GBP

1p ordinary

Sale

15,714

47.3925 GBP

1p ordinary

Sale

12,226

47.3592 GBP

1p ordinary

Sale

9,317

47.4465 GBP

1p ordinary

Sale

6,379

47.4178 GBP

1p ordinary

Sale

6,158

47.3750 GBP

1p ordinary

Sale

4,520

47.3872 GBP

1p ordinary

Sale

4,407

47.3775 GBP

1p ordinary

Sale

4,203

47.2805 GBP

1p ordinary

Sale

3,725

47.3691 GBP

1p ordinary

Sale

3,606

47.4416 GBP

1p ordinary

Sale

3,189

47.3981 GBP

1p ordinary

Sale

3,112

47.7293 GBP

1p ordinary

Sale

2,918

47.5002 GBP

1p ordinary

Sale

2,500

47.4049 GBP

1p ordinary

Sale

2,496

47.3753 GBP

1p ordinary

Sale

2,430

47.4849 GBP

1p ordinary

Sale

2,103

47.4447 GBP

1p ordinary

Sale

1,835

47.3774 GBP

1p ordinary

Sale

1,780

47.4460 GBP

1p ordinary

Sale

1,658

47.3776 GBP

1p ordinary

Sale

1,480

47.1811 GBP

1p ordinary

Sale

1,463

47.5905 GBP

1p ordinary

Sale

1,437

47.4870 GBP

1p ordinary

Sale

1,403

47.4952 GBP

1p ordinary

Sale

1,399

47.2467 GBP

1p ordinary

Sale

1,369

47.3285 GBP

1p ordinary

Sale

1,362

47.5300 GBP

1p ordinary

Sale

1,239

47.2858 GBP

1p ordinary

Sale

986

47.7130 GBP

1p ordinary

Sale

757

47.4143 GBP

1p ordinary

Sale

750

47.4099 GBP

1p ordinary

Sale

648

47.3147 GBP

1p ordinary

Sale

514

47.6953 GBP

1p ordinary

Sale

508

47.5841 GBP

1p ordinary

Sale

502

47.3794 GBP

1p ordinary

Sale

480

47.7351 GBP

1p ordinary

Sale

411

47.5237 GBP

1p ordinary

Sale

376

47.7316 GBP

1p ordinary

Sale

340

47.4065 GBP

1p ordinary

Sale

339

47.3813 GBP

1p ordinary

Sale

336

47.4624 GBP

1p ordinary

Sale

321

47.3915 GBP

1p ordinary

Sale

307

47.4063 GBP

1p ordinary

Sale

292

47.3501 GBP

1p ordinary

Sale

290

47.5216 GBP

1p ordinary

Sale

284

47.3870 GBP

1p ordinary

Sale

237

47.3720 GBP

1p ordinary

Sale

225

47.5000 GBP

1p ordinary

Sale

223

47.6500 GBP

1p ordinary

Sale

209

47.6267 GBP

1p ordinary

Sale

206

47.2450 GBP

1p ordinary

Sale

197

47.1652 GBP

1p ordinary

Sale

192

47.4202 GBP

1p ordinary

Sale

190

47.8102 GBP

1p ordinary

Sale

187

47.2952 GBP

1p ordinary

Sale

182

47.4500 GBP

1p ordinary

Sale

163

47.3528 GBP

1p ordinary

Sale

162

47.5170 GBP

1p ordinary

Sale

144

47.3589 GBP

1p ordinary

Sale

143

47.8376 GBP

1p ordinary

Sale

139

47.2587 GBP

1p ordinary

Sale

131

47.6400 GBP

1p ordinary

Sale

116

47.4314 GBP

1p ordinary

Sale

114

47.3400 GBP

1p ordinary

Sale

109

47.4250 GBP

1p ordinary

Sale

96

47.8050 GBP

1p ordinary

Sale

90

47.3100 GBP

1p ordinary

Sale

88

47.3000 GBP

1p ordinary

Sale

85

47.1300 GBP

1p ordinary

Sale

84

47.1061 GBP

1p ordinary

Sale

81

47.2350 GBP

1p ordinary

Sale

78

47.2600 GBP

1p ordinary

Sale

76

47.6600 GBP

1p ordinary

Sale

76

47.1000 GBP

1p ordinary

Sale

73

47.4050 GBP

1p ordinary

Sale

68

47.1750 GBP

1p ordinary

Sale

65

47.6900 GBP

1p ordinary

Sale

62

47.1600 GBP

1p ordinary

Sale

62

47.6250 GBP

1p ordinary

Sale

45

47.1700 GBP

1p ordinary

Sale

43

47.4900 GBP

1p ordinary

Sale

32

47.3250 GBP

1p ordinary

Sale

29

47.1800 GBP

1p ordinary

Sale

28

47.3877 GBP

1p ordinary

Sale

28

47.3900 GBP

1p ordinary

Sale

24

47.5350 GBP

1p ordinary

Sale

16

47.3200 GBP

1p ordinary

Sale

15

47.2900 GBP

1p ordinary

Sale

15

47.2700 GBP

1p ordinary

Sale

14

47.1900 GBP

1p ordinary

Sale

14

47.2400 GBP

1p ordinary

Sale

11

47.3605 GBP

1p ordinary

Sale

9

47.2200 GBP

1p ordinary

Sale

3

47.3633 GBP

1p ordinary

Sale

1

47.3600 GBP

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

1p ordinary

SWAP

Opening Short

25,000

46.2030 GBP

1p ordinary

SWAP

Increasing Long

1,125

46.5986 GBP

1p ordinary

SWAP

Increasing Long

1,125

46.7272 GBP

1p ordinary

SWAP

Increasing Long

563

46.9606 GBP

1p ordinary

SWAP

Increasing Long

1,125

46.9905 GBP

1p ordinary

SWAP

Increasing Long

84

47.1062 GBP

1p ordinary

SWAP

Increasing Long

1,144

47.1558 GBP

1p ordinary

SWAP

Increasing Long

197

47.1652 GBP

1p ordinary

SWAP

Increasing Long

158

47.1750 GBP

1p ordinary

SWAP

Increasing Long

336

47.2462 GBP

1p ordinary

SWAP

Increasing Long

1,540

47.2671 GBP

1p ordinary

SWAP

Increasing Long

2,086

47.2715 GBP

1p ordinary

SWAP

Increasing Long

187

47.2952 GBP

1p ordinary

SWAP

Increasing Long

84

47.2989 GBP

1p ordinary

SWAP

Increasing Long

300

47.3011 GBP

1p ordinary

SWAP

Increasing Long

507

47.3140 GBP

1p ordinary

SWAP

Increasing Long

141

47.3175 GBP

1p ordinary

SWAP

Increasing Long

8

47.3221 GBP

1p ordinary

SWAP

Increasing Long

22,517

47.3227 GBP

1p ordinary

SWAP

Increasing Long

10,875

47.3431 GBP

1p ordinary

SWAP

Increasing Long

119

47.3434 GBP

1p ordinary

SWAP

Increasing Long

1,154

47.3444 GBP

1p ordinary

SWAP

Increasing Long

245

47.3543 GBP

1p ordinary

SWAP

Increasing Long

173

47.3547 GBP

1p ordinary

SWAP

Increasing Long

12,226

47.3592 GBP

1p ordinary

SWAP

Increasing Long

1

47.3600 GBP

1p ordinary

SWAP

Increasing Long

1,173

47.3605 USD

1p ordinary

SWAP

Increasing Long

11

47.3609 GBP

1p ordinary

SWAP

Increasing Long

3

47.3633 GBP

1p ordinary

SWAP

Increasing Long

17,025

47.3666 GBP

1p ordinary

SWAP

Increasing Long

8,686

47.3676 GBP

1p ordinary

SWAP

Increasing Long

576

47.3683 GBP

1p ordinary

SWAP

Increasing Long

3,725

47.3691 GBP

1p ordinary

SWAP

Increasing Long

2,229

47.3700 GBP

1p ordinary

SWAP

Increasing Long

237

47.3719 GBP

1p ordinary

SWAP

Increasing Long

2,496

47.3753 GBP

1p ordinary

SWAP

Increasing Long

1,835

47.3774 GBP

1p ordinary

SWAP

Increasing Long

4,407

47.3775 GBP

1p ordinary

SWAP

Increasing Long

1,658

47.3776 GBP

1p ordinary

SWAP

Increasing Long

339

47.3813 GBP

1p ordinary

SWAP

Increasing Long

4,520

47.3872 GBP

1p ordinary

SWAP

Increasing Long

6,348

47.3880 GBP

1p ordinary

SWAP

Increasing Long

321

47.3914 GBP

1p ordinary

SWAP

Increasing Long

3,189

47.3981 GBP

1p ordinary

SWAP

Increasing Long

340

47.4065 GBP

1p ordinary

SWAP

Increasing Long

20

47.4140 GBP

1p ordinary

SWAP

Increasing Long

192

47.4202 GBP

1p ordinary

SWAP

Increasing Long

27,755

47.4344 GBP

1p ordinary

SWAP

Increasing Long

418

47.4375 GBP

1p ordinary

SWAP

Increasing Long

9,317

47.4465 GBP

1p ordinary

SWAP

Increasing Long

182

47.4500 GBP

1p ordinary

SWAP

Increasing Long

3,448

47.4538 GBP

1p ordinary

SWAP

Increasing Long

15

47.4560 GBP

1p ordinary

SWAP

Increasing Long

25

47.5900 GBP

1p ordinary

SWAP

Increasing Long

14

47.8196 GBP

1p ordinary

SWAP

Increasing Long

129

47.8396 GBP

1p ordinary

SWAP

Decreasing Long

110

47.3488 GBP

1p ordinary

SWAP

Decreasing Long

439

47.3500 GBP

1p ordinary

SWAP

Decreasing Long

15,313

47.3583 GBP

1p ordinary

SWAP

Decreasing Long

7,428

47.3609 GBP

1p ordinary

SWAP

Decreasing Long

28,359

47.3700 GBP

1p ordinary

SWAP

Decreasing Long

18,459

47.3723 GBP

1p ordinary

SWAP

Decreasing Long

15

47.3793 GBP

1p ordinary

SWAP

Decreasing Long

1,121

47.3794 GBP

1p ordinary

SWAP

Decreasing Long

300

47.4241 GBP

1p ordinary

SWAP

Decreasing Long

825

47.4274 GBP

1p ordinary

SWAP

Decreasing Long

325

47.4369 GBP

1p ordinary

SWAP

Decreasing Long

233

47.4403 GBP

1p ordinary

SWAP

Decreasing Long

280

47.4527 GBP

1p ordinary

SWAP

Decreasing Long

1,783

47.4685 GBP

1p ordinary

SWAP

Decreasing Long

811

47.5308 GBP

1p ordinary

SWAP

Decreasing Long

129

47.7900 GBP

1p ordinary

SWAP

Decreasing Short

59

47.7639 GBP

1p ordinary

SWAP

Increasing Short

244

47.1403 GBP

1p ordinary

CFD

Increasing Long

5,284

47.4004 GBP

1p ordinary

CFD

Increasing Long

440

47.4446 GBP

1p ordinary

CFD

Increasing Long

8,856

47.5459 GBP

1p ordinary

CFD

Decreasing Long

71

47.5495 GBP

(c)

Stock-settled derivative transactions (including options)

(i)

Writing, selling, purchasing or varying

Class

Product

Writing,

Number

Exercise

Type

Expiry

Option

of

description

purchasing,

of

price

date

money

relevant

selling,

securities

per unit

paid/

security

varying etc

to which

received

option

per unit

relates

(ii)

Exercise

Class of relevant

Product description

Exercising/ exercised against

Number of

Exercise price per

security

securities

unit

(d)

Other dealings (including subscribing for new securities)

Class of relevant

Nature of Dealings

Details

Price per unit (if

security

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 exempt principal trader 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?

NO

Date of disclosure:

01 May 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213