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:

27 May 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:

2,773,626

1.80%

2,454,786

1.59%

(2)

Cash-settled derivatives:

2,001,572

1.30%

2,393,115

1.55%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

4,775,198

3.10%

4,847,901

3.15%

(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

46,150

55.1549 GBP

1p ordinary

Purchase

17,249

55.1500 GBP

1p ordinary

Purchase

9,458

55.1463 GBP

1p ordinary

Purchase

7,487

55.0913 GBP

1p ordinary

Purchase

6,474

55.1839 GBP

1p ordinary

Purchase

3,160

55.2481 GBP

1p ordinary

Purchase

2,407

55.1640 GBP

1p ordinary

Purchase

2,000

55.3118 GBP

1p ordinary

Purchase

1,741

55.0816 GBP

1p ordinary

Purchase

1,603

55.3077 GBP

1p ordinary

Purchase

1,551

55.0781 GBP

1p ordinary

Purchase

1,416

55.1043 GBP

1p ordinary

Purchase

1,409

55.1285 GBP

1p ordinary

Purchase

1,185

55.2500 GBP

1p ordinary

Purchase

1,151

55.0603 GBP

1p ordinary

Purchase

1,127

55.2787 GBP

1p ordinary

Purchase

1,006

55.2745 GBP

1p ordinary

Purchase

765

55.0595 GBP

1p ordinary

Purchase

763

55.1484 GBP

1p ordinary

Purchase

721

55.2047 GBP

1p ordinary

Purchase

647

55.3500 GBP

1p ordinary

Purchase

562

55.0600 GBP

1p ordinary

Purchase

495

55.3483 GBP

1p ordinary

Purchase

452

55.2465 GBP

1p ordinary

Purchase

405

55.2012 GBP

1p ordinary

Purchase

399

55.1847 GBP

1p ordinary

Purchase

351

55.0749 GBP

1p ordinary

Purchase

329

55.1202 GBP

1p ordinary

Purchase

293

55.1157 GBP

1p ordinary

Purchase

275

55.1750 GBP

1p ordinary

Purchase

263

55.1000 GBP

1p ordinary

Purchase

255

55.2428 GBP

1p ordinary

Purchase

192

55.3093 GBP

1p ordinary

Purchase

167

55.1494 GBP

1p ordinary

Purchase

155

55.1322 GBP

1p ordinary

Purchase

129

55.1510 GBP

1p ordinary

Purchase

99

55.1242 GBP

1p ordinary

Purchase

71

55.3250 GBP

1p ordinary

Purchase

64

55.0000 GBP

1p ordinary

Purchase

56

55.2225 GBP

1p ordinary

Purchase

56

55.2071 GBP

1p ordinary

Purchase

24

55.0875 GBP

1p ordinary

Purchase

20

55.1475 GBP

1p ordinary

Purchase

18

55.3000 GBP

1p ordinary

Purchase

10

55.0460 GBP

1p ordinary

Purchase

1

55.2000 GBP

1p ordinary

Purchase

1

55.1300 GBP

1p ordinary

Sale

63,487

55.1500 GBP

1p ordinary

Sale

44,181

55.1732 GBP

1p ordinary

Sale

26,429

55.1474 GBP

1p ordinary

Sale

17,455

55.1241 GBP

1p ordinary

Sale

10,000

55.2723 GBP

1p ordinary

Sale

5,590

55.2966 GBP

1p ordinary

Sale

5,100

55.1538 GBP

1p ordinary

Sale

4,500

55.3179 GBP

1p ordinary

Sale

3,482

55.0816 GBP

1p ordinary

Sale

3,102

55.0781 GBP

1p ordinary

Sale

2,681

55.1618 GBP

1p ordinary

Sale

2,302

55.0603 GBP

1p ordinary

Sale

2,205

55.2365 GBP

1p ordinary

Sale

1,795

55.2468 GBP

1p ordinary

Sale

1,462

55.0828 GBP

1p ordinary

Sale

1,435

55.1050 GBP

1p ordinary

Sale

1,381

55.0500 GBP

1p ordinary

Sale

1,366

55.1151 GBP

1p ordinary

Sale

1,072

55.1000 GBP

1p ordinary

Sale

1,003

55.1389 GBP

1p ordinary

Sale

917

55.2338 GBP

1p ordinary

Sale

813

55.1172 GBP

1p ordinary

Sale

791

55.2037 GBP

1p ordinary

Sale

724

55.1395 GBP

1p ordinary

Sale

605

55.1617 GBP

1p ordinary

Sale

582

55.0800 GBP

1p ordinary

Sale

578

55.2461 GBP

1p ordinary

Sale

561

55.1173 GBP

1p ordinary

Sale

439

55.1490 GBP

1p ordinary

Sale

438

55.1463 GBP

1p ordinary

Sale

426

55.1380 GBP

1p ordinary

Sale

412

55.3445 GBP

1p ordinary

Sale

409

55.2193 GBP

1p ordinary

Sale

385

55.1676 GBP

1p ordinary

Sale

384

55.3250 GBP

1p ordinary

Sale

357

55.2498 GBP

1p ordinary

Sale

350

55.1192 GBP

1p ordinary

Sale

344

55.1293 GBP

1p ordinary

Sale

329

55.1815 GBP

1p ordinary

Sale

292

55.1886 GBP

1p ordinary

Sale

272

55.1911 GBP

1p ordinary

Sale

249

55.0750 GBP

1p ordinary

Sale

234

55.1782 GBP

1p ordinary

Sale

232

55.0877 GBP

1p ordinary

Sale

202

55.1450 GBP

1p ordinary

Sale

170

55.1794 GBP

1p ordinary

Sale

112

55.2274 GBP

1p ordinary

Sale

107

55.2500 GBP

1p ordinary

Sale

92

55.3500 GBP

1p ordinary

Sale

64

55.0016 GBP

1p ordinary

Sale

18

55.1750 GBP

1p ordinary

Sale

10

55.1660 GBP

1p ordinary

Sale

3

55.0000 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

Decreasing Short

10,000

55.2723 GBP

1p ordinary

SWAP

Increasing Long

582

55.1000 GBP

1p ordinary

SWAP

Increasing Long

1,541

55.1150 GBP

1p ordinary

SWAP

Increasing Long

17,455

55.1241 GBP

1p ordinary

SWAP

Increasing Long

1,127

55.1285 GBP

1p ordinary

SWAP

Increasing Long

631

55.1312 GBP

1p ordinary

SWAP

Increasing Long

1,003

55.1389 GBP

1p ordinary

SWAP

Increasing Long

565

55.1390 USD

1p ordinary

SWAP

Increasing Long

1,347

55.1439 GBP

1p ordinary

SWAP

Increasing Long

26,429

55.1474 GBP

1p ordinary

SWAP

Increasing Long

439

55.1490 GBP

1p ordinary

SWAP

Increasing Long

3,906

55.1491 GBP

1p ordinary

SWAP

Increasing Long

70,502

55.1500 GBP

1p ordinary

SWAP

Increasing Long

5,100

55.1538 GBP

1p ordinary

SWAP

Increasing Long

8

55.1655 GBP

1p ordinary

SWAP

Increasing Long

2

55.1656 GBP

1p ordinary

SWAP

Increasing Long

791

55.2037 GBP

1p ordinary

SWAP

Increasing Long

14,949

55.2188 GBP

1p ordinary

SWAP

Increasing Long

917

55.2338 GBP

1p ordinary

SWAP

Increasing Long

2,205

55.2365 GBP

1p ordinary

SWAP

Decreasing Long

1

55.0005 GBP

1p ordinary

SWAP

Decreasing Long

9

55.0505 GBP

1p ordinary

SWAP

Decreasing Long

765

55.0595 GBP

1p ordinary

SWAP

Decreasing Long

562

55.0608 GBP

1p ordinary

SWAP

Decreasing Long

416

55.1000 GBP

1p ordinary

SWAP

Decreasing Long

21

55.1243 GBP

1p ordinary

SWAP

Decreasing Long

78

55.1249 GBP

1p ordinary

SWAP

Decreasing Long

1,409

55.1285 GBP

1p ordinary

SWAP

Decreasing Long

1

55.1291 GBP

1p ordinary

SWAP

Decreasing Long

770

55.1480 GBP

1p ordinary

SWAP

Decreasing Long

168

55.1497 GBP

1p ordinary

SWAP

Decreasing Long

9,710

55.1500 GBP

1p ordinary

SWAP

Decreasing Long

129

55.1510 GBP

1p ordinary

SWAP

Decreasing Long

1,695

55.1527 GBP

1p ordinary

SWAP

Decreasing Long

43,822

55.1536 GBP

1p ordinary

SWAP

Decreasing Long

2,407

55.1640 GBP

1p ordinary

SWAP

Decreasing Long

55

55.1829 USD

1p ordinary

SWAP

Decreasing Long

399

55.1847 GBP

1p ordinary

SWAP

Decreasing Long

721

55.2047 GBP

1p ordinary

SWAP

Decreasing Long

3,160

55.2481 GBP

1p ordinary

SWAP

Decreasing Long

152

55.3544 GBP

1p ordinary

CFD

Decreasing Short

1,211

55.0483 GBP

1p ordinary

CFD

Decreasing Short

1,462

55.0828 GBP

1p ordinary

CFD

Decreasing Short

5,590

55.2966 GBP

1p ordinary

CFD

Increasing Short

194

55.1016 GBP

1p ordinary

CFD

Increasing Short

75

55.1033 GBP

1p ordinary

CFD

Increasing Short

6,474

55.1839 GBP

1p ordinary

CFD

Increasing Short

56

55.2225 GBP

1p ordinary

CFD

Increasing Short

1,185

55.2500 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:

28 May 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213