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:

21 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:

2,806,480

1.82%

1,923,874

1.25%

(2)

Cash-settled derivatives:

1,942,689

1.26%

2,417,255

1.57%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

4,749,169

3.09%

4,341,129

2.82%

(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

216,974

54.7000 GBP

1p ordinary

Purchase

117,965

54.9000 GBP

1p ordinary

Purchase

63,235

54.8982 GBP

1p ordinary

Purchase

39,839

54.7789 GBP

1p ordinary

Purchase

37,755

54.8990 GBP

1p ordinary

Purchase

25,000

54.8603 GBP

1p ordinary

Purchase

22,700

54.7874 GBP

1p ordinary

Purchase

21,988

54.9010 GBP

1p ordinary

Purchase

10,986

54.7172 GBP

1p ordinary

Purchase

10,000

54.7382 GBP

1p ordinary

Purchase

6,981

54.8103 GBP

1p ordinary

Purchase

4,654

54.9187 GBP

1p ordinary

Purchase

3,100

54.7688 GBP

1p ordinary

Purchase

1,996

54.7290 GBP

1p ordinary

Purchase

1,406

55.0610 GBP

1p ordinary

Purchase

1,406

54.8770 GBP

1p ordinary

Purchase

1,211

54.8725 GBP

1p ordinary

Purchase

853

54.8053 GBP

1p ordinary

Purchase

800

54.5138 GBP

ADR

Purchase

800

73.4550 USD

1p ordinary

Purchase

660

54.9614 GBP

1p ordinary

Purchase

640

54.9500 GBP

1p ordinary

Purchase

469

54.8566 GBP

1p ordinary

Purchase

423

54.7983 GBP

1p ordinary

Purchase

409

54.7024 GBP

1p ordinary

Purchase

372

54.9278 GBP

1p ordinary

Purchase

356

54.7339 GBP

1p ordinary

Purchase

338

54.9342 GBP

1p ordinary

Purchase

332

54.8349 GBP

1p ordinary

Purchase

306

54.8000 GBP

1p ordinary

Purchase

289

54.7691 GBP

1p ordinary

Purchase

285

54.9109 GBP

1p ordinary

Purchase

262

54.8598 GBP

1p ordinary

Purchase

250

54.5000 GBP

1p ordinary

Purchase

248

54.7375 GBP

1p ordinary

Purchase

248

54.6875 GBP

1p ordinary

Purchase

238

54.7247 GBP

1p ordinary

Purchase

221

54.7306 GBP

1p ordinary

Purchase

216

54.7412 GBP

1p ordinary

Purchase

214

54.7670 GBP

1p ordinary

Purchase

200

54.8101 GBP

1p ordinary

Purchase

185

54.7500 GBP

1p ordinary

Purchase

166

54.9554 GBP

1p ordinary

Purchase

148

54.6500 GBP

1p ordinary

Purchase

133

55.0054 GBP

1p ordinary

Purchase

125

54.9504 GBP

ADR

Purchase

100

74.5100 USD

1p ordinary

Purchase

93

54.8898 GBP

1p ordinary

Purchase

91

54.8250 GBP

1p ordinary

Purchase

90

54.8461 GBP

1p ordinary

Purchase

53

54.8500 GBP

1p ordinary

Purchase

43

54.8354 GBP

1p ordinary

Purchase

9

54.7770 GBP

1p ordinary

Purchase

9

54.8044 GBP

1p ordinary

Purchase

5

54.8879 GBP

1p ordinary

Purchase

5

54.9100 GBP

1p ordinary

Sale

94,335

54.9000 GBP

1p ordinary

Sale

21,915

54.7020 GBP

1p ordinary

Sale

6,417

54.7983 GBP

1p ordinary

Sale

6,112

54.7764 GBP

1p ordinary

Sale

5,313

54.4792 GBP

1p ordinary

Sale

5,115

54.8197 GBP

1p ordinary

Sale

4,689

54.8314 GBP

1p ordinary

Sale

4,670

54.7423 GBP

1p ordinary

Sale

4,288

54.8890 GBP

1p ordinary

Sale

3,900

54.8169 GBP

1p ordinary

Sale

3,045

54.7806 GBP

1p ordinary

Sale

2,613

54.7634 GBP

1p ordinary

Sale

2,603

54.7763 GBP

1p ordinary

Sale

2,320

54.9074 GBP

1p ordinary

Sale

2,009

54.7403 GBP

1p ordinary

Sale

1,463

54.7318 GBP

1p ordinary

Sale

1,423

54.8970 GBP

1p ordinary

Sale

1,343

54.7012 GBP

1p ordinary

Sale

1,275

54.9423 GBP

1p ordinary

Sale

936

54.8203 GBP

1p ordinary

Sale

900

54.6733 GBP

1p ordinary

Sale

835

54.5992 GBP

1p ordinary

Sale

822

54.7547 GBP

ADR

Sale

800

73.4550 USD

1p ordinary

Sale

671

54.8000 GBP

1p ordinary

Sale

658

54.7000 GBP

1p ordinary

Sale

610

54.8009 GBP

1p ordinary

Sale

596

54.7568 GBP

1p ordinary

Sale

591

54.8673 GBP

1p ordinary

Sale

577

54.8053 GBP

1p ordinary

Sale

544

54.7226 GBP

1p ordinary

Sale

525

54.6293 GBP

1p ordinary

Sale

517

54.7109 GBP

1p ordinary

Sale

507

54.8052 GBP

1p ordinary

Sale

481

54.6062 GBP

1p ordinary

Sale

366

54.8625 GBP

1p ordinary

Sale

283

54.8704 GBP

1p ordinary

Sale

281

54.7129 GBP

1p ordinary

Sale

255

54.7740 GBP

1p ordinary

Sale

194

54.9016 GBP

1p ordinary

Sale

164

54.8335 GBP

1p ordinary

Sale

150

54.9265 GBP

1p ordinary

Sale

129

54.8193 GBP

1p ordinary

Sale

120

54.8395 GBP

1p ordinary

Sale

110

54.7360 GBP

ADR

Sale

100

74.5100 USD

1p ordinary

Sale

78

54.9713 GBP

1p ordinary

Sale

78

54.8917 GBP

1p ordinary

Sale

66

54.9734 GBP

1p ordinary

Sale

63

54.9578 GBP

1p ordinary

Sale

54

54.8240 GBP

1p ordinary

Sale

45

54.6611 GBP

1p ordinary

Sale

39

54.9500 GBP

1p ordinary

Sale

31

54.8461 GBP

1p ordinary

Sale

22

54.7625 GBP

1p ordinary

Sale

20

54.8750 GBP

1p ordinary

Sale

12

54.7500 GBP

1p ordinary

Sale

9

54.7955 GBP

1p ordinary

Sale

1

54.6500 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 Short

10,000

54.7382 GBP

1p ordinary

SWAP

Increasing Short

25,000

54.8603 GBP

1p ordinary

SWAP

Increasing Long

5,313

54.4792 GBP

1p ordinary

SWAP

Increasing Long

481

54.6062 GBP

1p ordinary

SWAP

Increasing Long

525

54.6293 GBP

1p ordinary

SWAP

Increasing Long

1

54.6456 GBP

1p ordinary

SWAP

Increasing Long

1

54.6750 GBP

1p ordinary

SWAP

Increasing Long

19,705

54.6862 GBP

1p ordinary

SWAP

Increasing Long

506

54.7057 GBP

1p ordinary

SWAP

Increasing Long

544

54.7226 GBP

1p ordinary

SWAP

Increasing Long

99

54.7353 GBP

1p ordinary

SWAP

Increasing Long

11

54.7411 GBP

1p ordinary

SWAP

Increasing Long

4,085

54.7472 GBP

1p ordinary

SWAP

Increasing Long

252

54.7500 GBP

1p ordinary

SWAP

Increasing Long

9,400

54.7575 GBP

1p ordinary

SWAP

Increasing Long

6,112

54.7764 GBP

1p ordinary

SWAP

Increasing Long

337

54.7770 GBP

1p ordinary

SWAP

Increasing Long

33

54.7824 GBP

1p ordinary

SWAP

Increasing Long

9

54.7958 GBP

1p ordinary

SWAP

Increasing Long

968

54.8125 GBP

1p ordinary

SWAP

Increasing Long

4,689

54.8314 GBP

1p ordinary

SWAP

Increasing Long

120

54.8395 GBP

1p ordinary

SWAP

Increasing Long

31

54.8463 GBP

1p ordinary

SWAP

Increasing Long

291

54.8576 GBP

1p ordinary

SWAP

Increasing Long

779

54.8889 USD

1p ordinary

SWAP

Increasing Long

4,288

54.8890 GBP

1p ordinary

SWAP

Increasing Long

78

54.8917 GBP

1p ordinary

SWAP

Increasing Long

1,373

54.8936 GBP

1p ordinary

SWAP

Increasing Long

23,378

54.9000 GBP

1p ordinary

SWAP

Increasing Long

2,320

54.9074 GBP

1p ordinary

SWAP

Increasing Long

1

54.9250 GBP

1p ordinary

SWAP

Decreasing Long

800

54.5138 GBP

1p ordinary

SWAP

Decreasing Long

46

54.6500 GBP

1p ordinary

SWAP

Decreasing Long

1

54.6750 GBP

1p ordinary

SWAP

Decreasing Long

1,824

54.6989 GBP

1p ordinary

SWAP

Decreasing Long

216,974

54.7000 GBP

1p ordinary

SWAP

Decreasing Long

239

54.7234 GBP

1p ordinary

SWAP

Decreasing Long

221

54.7306 GBP

1p ordinary

SWAP

Decreasing Long

356

54.7339 GBP

1p ordinary

SWAP

Decreasing Long

106

54.7655 GBP

1p ordinary

SWAP

Decreasing Long

39,839

54.7789 GBP

1p ordinary

SWAP

Decreasing Long

22,700

54.7874 GBP

1p ordinary

SWAP

Decreasing Long

7

54.8043 GBP

1p ordinary

SWAP

Decreasing Long

58

54.8044 GBP

1p ordinary

SWAP

Decreasing Long

115

54.8074 GBP

1p ordinary

SWAP

Decreasing Long

85

54.8136 GBP

1p ordinary

SWAP

Decreasing Long

149

54.8347 GBP

1p ordinary

SWAP

Decreasing Long

37

54.8410 GBP

1p ordinary

SWAP

Decreasing Long

18

54.8638 GBP

1p ordinary

SWAP

Decreasing Long

18

54.8665 GBP

1p ordinary

SWAP

Decreasing Long

5,772

54.8827 GBP

1p ordinary

SWAP

Decreasing Long

5

54.8879 GBP

1p ordinary

SWAP

Decreasing Long

92,751

54.9000 GBP

1p ordinary

SWAP

Decreasing Long

21,988

54.9010 GBP

1p ordinary

SWAP

Decreasing Long

449

54.9017 GBP

1p ordinary

SWAP

Decreasing Long

46,389

54.9027 GBP

1p ordinary

SWAP

Decreasing Long

402

54.9030 GBP

1p ordinary

SWAP

Decreasing Long

1,057

54.9054 GBP

1p ordinary

SWAP

Decreasing Long

5

54.9100 GBP

1p ordinary

SWAP

Decreasing Long

285

54.9109 GBP

1p ordinary

SWAP

Decreasing Long

3,803

54.9224 GBP

1p ordinary

SWAP

Decreasing Long

1

54.9250 GBP

1p ordinary

SWAP

Decreasing Long

221

54.9385 GBP

1p ordinary

SWAP

Decreasing Long

202

54.9387 GBP

1p ordinary

SWAP

Decreasing Long

241

54.9429 GBP

1p ordinary

SWAP

Decreasing Long

121

54.9500 GBP

1p ordinary

SWAP

Decreasing Long

166

54.9554 GBP

1p ordinary

SWAP

Decreasing Long

59

54.9696 GBP

1p ordinary

SWAP

Decreasing Long

54

54.9700 GBP

1p ordinary

SWAP

Decreasing Long

237

55.0022 GBP

1p ordinary

SWAP

Decreasing Long

133

55.0055 GBP

1p ordinary

CFD

Decreasing Short

383

54.7051 GBP

1p ordinary

CFD

Decreasing Short

263

54.7799 GBP

1p ordinary

CFD

Decreasing Short

237

54.8354 GBP

1p ordinary

CFD

Decreasing Short

2,348

54.9060 GBP

1p ordinary

CFD

Increasing Short

95

54.6532 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:

22 May 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213