Barclays Regulatory News (BARC)

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:

08 Jun 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:

2,863,136

1.86%

2,844,860

1.85%

(2)

Cash-settled derivatives:

2,131,577

1.38%

2,474,849

1.61%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

4,994,713

3.24%

5,319,709

3.46%

(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

47,234

55.6866 GBP

1p ordinary

Purchase

26,165

55.7000 GBP

1p ordinary

Purchase

25,000

55.5409 GBP

1p ordinary

Purchase

19,480

55.6537 GBP

1p ordinary

Purchase

17,917

55.7941 GBP

1p ordinary

Purchase

15,328

55.6916 GBP

1p ordinary

Purchase

14,215

55.6562 GBP

1p ordinary

Purchase

9,470

55.6889 GBP

1p ordinary

Purchase

4,292

55.0139 GBP

1p ordinary

Purchase

4,062

54.6500 GBP

1p ordinary

Purchase

4,028

55.7180 GBP

1p ordinary

Purchase

2,280

55.4359 GBP

1p ordinary

Purchase

2,178

55.3913 GBP

1p ordinary

Purchase

1,733

55.0791 GBP

1p ordinary

Purchase

1,616

54.6831 GBP

1p ordinary

Purchase

1,544

55.6454 GBP

1p ordinary

Purchase

1,256

55.1165 GBP

1p ordinary

Purchase

1,200

54.9000 GBP

1p ordinary

Purchase

1,168

55.6917 GBP

1p ordinary

Purchase

733

54.7500 GBP

1p ordinary

Purchase

553

54.9250 GBP

1p ordinary

Purchase

504

55.8250 GBP

1p ordinary

Purchase

454

54.9731 GBP

1p ordinary

Purchase

428

55.6241 GBP

1p ordinary

Purchase

416

54.7504 GBP

1p ordinary

Purchase

402

55.8000 GBP

1p ordinary

Purchase

345

54.8582 GBP

1p ordinary

Purchase

314

54.8156 GBP

1p ordinary

Purchase

290

54.8637 GBP

1p ordinary

Purchase

280

55.2616 GBP

1p ordinary

Purchase

275

55.6758 GBP

1p ordinary

Purchase

268

55.0253 GBP

1p ordinary

Purchase

262

54.9271 GBP

1p ordinary

Purchase

260

54.9713 GBP

1p ordinary

Purchase

240

54.8241 GBP

1p ordinary

Purchase

185

54.7713 GBP

1p ordinary

Purchase

172

55.7440 GBP

1p ordinary

Purchase

159

55.1410 GBP

1p ordinary

Purchase

152

54.6483 GBP

1p ordinary

Purchase

120

55.6500 GBP

1p ordinary

Purchase

115

54.7000 GBP

1p ordinary

Purchase

105

55.2583 GBP

ADR

Purchase

100

74.2999 USD

1p ordinary

Purchase

99

55.1858 GBP

ADR

Purchase

99

74.3000 USD

1p ordinary

Purchase

96

55.3666 GBP

1p ordinary

Purchase

78

55.7750 GBP

1p ordinary

Purchase

68

55.0625 GBP

1p ordinary

Purchase

41

55.6888 GBP

1p ordinary

Purchase

32

55.3000 GBP

1p ordinary

Purchase

18

55.5750 GBP

1p ordinary

Purchase

12

55.7250 GBP

1p ordinary

Purchase

1

55.8500 GBP

1p ordinary

Sale

128,367

55.2155 GBP

1p ordinary

Sale

72,321

55.4327 GBP

1p ordinary

Sale

67,334

55.7000 GBP

1p ordinary

Sale

58,761

55.1962 GBP

1p ordinary

Sale

44,805

55.6986 GBP

1p ordinary

Sale

28,084

54.8000 GBP

1p ordinary

Sale

23,300

55.6776 GBP

1p ordinary

Sale

19,915

55.3623 GBP

1p ordinary

Sale

11,170

55.7015 GBP

1p ordinary

Sale

8,124

55.2826 GBP

1p ordinary

Sale

6,935

55.0364 GBP

1p ordinary

Sale

6,612

55.4688 GBP

1p ordinary

Sale

6,260

55.6989 GBP

1p ordinary

Sale

5,919

55.0325 GBP

1p ordinary

Sale

5,810

55.5829 GBP

1p ordinary

Sale

5,738

55.8000 GBP

1p ordinary

Sale

5,701

55.2725 GBP

1p ordinary

Sale

5,633

54.9995 GBP

1p ordinary

Sale

5,000

54.6543 GBP

1p ordinary

Sale

4,228

55.8066 GBP

1p ordinary

Sale

3,944

55.4741 GBP

1p ordinary

Sale

3,907

55.0972 GBP

1p ordinary

Sale

3,612

55.5115 GBP

1p ordinary

Sale

3,381

55.6991 GBP

1p ordinary

Sale

3,037

55.1611 GBP

1p ordinary

Sale

2,812

55.6993 GBP

1p ordinary

Sale

2,691

55.6293 GBP

1p ordinary

Sale

2,429

55.4189 GBP

1p ordinary

Sale

2,380

55.7084 GBP

1p ordinary

Sale

2,250

55.1633 GBP

1p ordinary

Sale

1,955

55.4814 GBP

1p ordinary

Sale

1,787

55.8024 GBP

1p ordinary

Sale

1,662

55.4268 GBP

1p ordinary

Sale

1,604

55.5588 GBP

1p ordinary

Sale

1,268

55.7944 GBP

1p ordinary

Sale

1,176

55.2577 GBP

1p ordinary

Sale

1,125

54.2120 GBP

1p ordinary

Sale

893

55.7795 GBP

1p ordinary

Sale

833

54.8929 GBP

1p ordinary

Sale

799

55.4650 GBP

1p ordinary

Sale

736

55.6543 GBP

1p ordinary

Sale

600

55.2030 GBP

1p ordinary

Sale

580

54.8637 GBP

1p ordinary

Sale

563

54.1390 GBP

1p ordinary

Sale

529

55.6875 GBP

1p ordinary

Sale

443

55.3829 GBP

1p ordinary

Sale

411

55.6015 GBP

1p ordinary

Sale

402

55.8016 GBP

1p ordinary

Sale

401

55.4634 GBP

1p ordinary

Sale

374

55.6157 GBP

1p ordinary

Sale

370

54.7713 GBP

1p ordinary

Sale

356

55.0752 GBP

1p ordinary

Sale

339

55.5963 GBP

1p ordinary

Sale

318

55.1410 GBP

1p ordinary

Sale

291

55.8182 GBP

1p ordinary

Sale

262

54.7145 GBP

1p ordinary

Sale

252

55.8250 GBP

1p ordinary

Sale

217

54.9806 GBP

1p ordinary

Sale

187

55.4864 GBP

1p ordinary

Sale

158

55.8444 GBP

1p ordinary

Sale

140

55.0000 GBP

1p ordinary

Sale

121

55.7925 GBP

1p ordinary

Sale

109

55.7750 GBP

ADR

Sale

100

74.2999 USD

ADR

Sale

99

74.3000 USD

1p ordinary

Sale

80

55.0150 GBP

1p ordinary

Sale

66

55.4972 GBP

1p ordinary

Sale

65

54.9250 GBP

1p ordinary

Sale

59

55.7250 GBP

1p ordinary

Sale

42

55.1540 GBP

1p ordinary

Sale

40

54.7931 GBP

1p ordinary

Sale

34

54.7000 GBP

1p ordinary

Sale

19

55.3642 GBP

1p ordinary

Sale

16

54.7750 GBP

1p ordinary

Sale

4

55.6383 GBP

1p ordinary

Sale

2

55.7500 GBP

1p ordinary

Sale

2

55.6900 GBP

1p ordinary

Sale

1

55.0487 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

Increasing Long

23,300

55.6776 GBP

1p ordinary

SWAP

Decreasing Short

255

54.8929 GBP

1p ordinary

SWAP

Increasing Short

416

54.7504 GBP

1p ordinary

SWAP

Decreasing Short

136

55.2226 GBP

1p ordinary

SWAP

Decreasing Short

195

54.8894 GBP

1p ordinary

SWAP

Decreasing Short

1,604

55.5588 GBP

1p ordinary

SWAP

Decreasing Short

1,662

55.4268 GBP

1p ordinary

SWAP

Increasing Long

24,027

55.7000 GBP

1p ordinary

SWAP

Closing Short

36,066

54.6170 GBP

1p ordinary

SWAP

Opening Short

36,066

54.6170 GBP

1p ordinary

SWAP

Closing Short

24,342

54.6170 GBP

1p ordinary

SWAP

Opening Short

24,342

54.6170 GBP

1p ordinary

SWAP

Increasing Long

19

55.7709 GBP

1p ordinary

SWAP

Increasing Long

28,084

54.8000 GBP

1p ordinary

SWAP

Decreasing Short

563

54.1391 GBP

1p ordinary

SWAP

Increasing Long

27

55.6203 GBP

1p ordinary

CFD

Decreasing Short

5,254

55.3117 GBP

1p ordinary

CFD

Decreasing Long

65

55.7041 GBP

1p ordinary

CFD

Closing Short

391

55.6961 GBP

1p ordinary

CFD

Opening Long

1,882

55.6961 GBP

1p ordinary

CFD

Increasing Long

130

54.7856 GBP

1p ordinary

CFD

Decreasing Long

141

55.3092 GBP

1p ordinary

CFD

Increasing Long

11,111

55.7067 GBP

1p ordinary

CFD

Decreasing Long

720

55.0533 GBP

1p ordinary

CFD

Closing Short

1,081

55.7000 GBP

1p ordinary

CFD

Increasing Long

6,190

55.7067 GBP

1p ordinary

SWAP

Increasing Short

19,244

55.6537 GBP

1p ordinary

SWAP

Increasing Short

4,292

55.0139 GBP

1p ordinary

SWAP

Increasing Short

236

55.6537 GBP

1p ordinary

SWAP

Decreasing Short

274

55.6889 GBP

1p ordinary

SWAP

Increasing Long

9

55.3639 GBP

1p ordinary

SWAP

Increasing Long

10

55.3639 GBP

1p ordinary

SWAP

Increasing Long

8,914

55.6915 GBP

1p ordinary

SWAP

Increasing Short

1,733

55.0791 GBP

1p ordinary

SWAP

Increasing Long

3,952

55.6915 GBP

1p ordinary

SWAP

Opening Long

649

55.6916 GBP

1p ordinary

SWAP

Decreasing Short

73

54.8929 GBP

1p ordinary

SWAP

Increasing Long

2,936

55.6916 GBP

1p ordinary

SWAP

Opening Long

1,531

55.6916 GBP

1p ordinary

SWAP

Increasing Short

255

55.7180 GBP

1p ordinary

SWAP

Decreasing Short

36

55.6888 GBP

1p ordinary

SWAP

Decreasing Short

505

54.8929 GBP

1p ordinary

SWAP

Opening Short

428

55.6241 GBP

1p ordinary

SWAP

Opening Short

25,000

55.5409 GBP

1p ordinary

SWAP

Closing Short

859

55.6993 GBP

1p ordinary

SWAP

Decreasing Short

5,633

54.9995 GBP

1p ordinary

SWAP

Closing Short

375

55.7795 GBP

1p ordinary

SWAP

Opening Long

518

55.7795 GBP

1p ordinary

SWAP

Decreasing Short

411

55.6015 GBP

1p ordinary

SWAP

Decreasing Short

42

55.1540 GBP

1p ordinary

SWAP

Decreasing Short

12

55.8444 GBP

1p ordinary

SWAP

Increasing Long

6

54.7000 GBP

1p ordinary

SWAP

Decreasing Short

1,125

54.2120 GBP

1p ordinary

SWAP

Decreasing Long

783

55.7000 GBP

1p ordinary

CFD

Decreasing Long

34

55.7038 GBP

1p ordinary

CFD

Increasing Long

4,144

55.6637 GBP

1p ordinary

SWAP

Increasing Long

2

55.6900 GBP

1p ordinary

SWAP

Closing Short

258

55.6993 GBP

1p ordinary

SWAP

Increasing Short

1,544

55.6453 GBP

1p ordinary

SWAP

Closing Short

1,695

55.6993 GBP

1p ordinary

SWAP

Increasing Long

264

55.7000 GBP

1p ordinary

SWAP

Decreasing Short

3,381

55.6991 GBP

1p ordinary

SWAP

Decreasing Short

799

55.4650 GBP

1p ordinary

SWAP

Decreasing Short

23

55.7458 GBP

1p ordinary

SWAP

Increasing Long

516

55.5161 GBP

1p ordinary

SWAP

Increasing Long

15,220

55.3832 GBP

1p ordinary

SWAP

Decreasing Short

2,013

55.7944 GBP

1p ordinary

SWAP

Decreasing Short

440

55.5979 GBP

1p ordinary

SWAP

Decreasing Short

2,429

55.4189 GBP

1p ordinary

SWAP

Decreasing Short

453

55.6989 GBP

1p ordinary

SWAP

Increasing Long

9

55.6166 GBP

1p ordinary

SWAP

Increasing Long

28,092

55.7000 GBP

1p ordinary

SWAP

Decreasing Short

6,612

55.4688 GBP

1p ordinary

SWAP

Increasing Short

416

55.7000 GBP

1p ordinary

SWAP

Decreasing Short

356

55.0752 GBP

1p ordinary

SWAP

Decreasing Short

2

55.7994 GBP

1p ordinary

SWAP

Increasing Long

16,580

55.3444 GBP

1p ordinary

SWAP

Increasing Long

3,037

55.1611 GBP

1p ordinary

SWAP

Decreasing Short

2,691

55.6293 GBP

1p ordinary

SWAP

Decreasing Short

146

55.8444 GBP

1p ordinary

SWAP

Decreasing Short

92

55.7944 GBP

1p ordinary

SWAP

Decreasing Long

10,823

55.6416 GBP

1p ordinary

SWAP

Increasing Long

6,935

55.0363 GBP

1p ordinary

SWAP

Decreasing Short

2,221

54.9914 GBP

1p ordinary

SWAP

Decreasing Short

1,913

55.4753 GBP

1p ordinary

SWAP

Decreasing Long

314

54.8156 GBP

1p ordinary

SWAP

Decreasing Long

115

54.7000 GBP

1p ordinary

SWAP

Decreasing Short

3,480

55.4520 GBP

1p ordinary

SWAP

Decreasing Short

5,807

55.6989 GBP

1p ordinary

SWAP

Decreasing Long

2,543

55.7000 GBP

1p ordinary

SWAP

Increasing Long

58,761

55.1962 GBP

1p ordinary

SWAP

Decreasing Short

1,174

55.2568 GBP

1p ordinary

SWAP

Decreasing Long

306

55.7000 GBP

1p ordinary

SWAP

Decreasing Short

1,176

55.7944 GBP

1p ordinary

SWAP

Decreasing Long

172

55.7000 GBP

1p ordinary

SWAP

Increasing Long

273

55.1716 GBP

1p ordinary

SWAP

Increasing Long

5,919

55.0325 GBP

1p ordinary

SWAP

Decreasing Long

68

55.0625 GBP

1p ordinary

SWAP

Increasing Long

3,941

55.0937 GBP

1p ordinary

SWAP

Decreasing Long

2,178

55.3913 GBP

1p ordinary

SWAP

Increasing Long

128,367

55.2155 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:

09 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213