Form 8.3 INTERTEK GROUP PLC Replacement

FORM 8.3 - Amendment - this form replaces RNS number 5222G published at 15:31 on 01/06/2026, changes made to section 3a and 3b

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:

29 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:

2,917,938

1.90%

2,352,719

1.53%

(2)

Cash-settled derivatives:

1,905,435

1.24%

2,424,637

1.58%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

4,823,373

3.13%

4,777,356

3.10%

(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

333,310

53.2027 GBP

1p ordinary

Purchase

126,381

53.2000 GBP

1p ordinary

Purchase

84,334

53.2006 GBP

1p ordinary

Purchase

68,726

53.6723 GBP

1p ordinary

Purchase

50,000

53.4935 GBP

1p ordinary

Purchase

34,306

53.6759 GBP

1p ordinary

Purchase

13,982

53.8600 GBP

1p ordinary

Purchase

10,000

53.2657 GBP

1p ordinary

Purchase

8,573

53.4444 GBP

1p ordinary

Purchase

8,046

53.7510 GBP

1p ordinary

Purchase

5,749

53.7526 GBP

1p ordinary

Purchase

5,158

53.6851 GBP

1p ordinary

Purchase

4,799

53.4700 GBP

1p ordinary

Purchase

4,176

53.7600 GBP

1p ordinary

Purchase

3,464

53.6812 GBP

1p ordinary

Purchase

2,602

53.7208 GBP

1p ordinary

Purchase

2,474

53.6150 GBP

1p ordinary

Purchase

2,131

53.6511 GBP

1p ordinary

Purchase

1,698

53.7268 GBP

1p ordinary

Purchase

1,472

53.7794 GBP

1p ordinary

Purchase

1,464

53.7370 GBP

1p ordinary

Purchase

1,427

53.7587 GBP

1p ordinary

Purchase

1,390

53.7515 GBP

1p ordinary

Purchase

1,369

53.8038 GBP

1p ordinary

Purchase

1,182

53.6868 GBP

1p ordinary

Purchase

1,176

53.7960 GBP

1p ordinary

Purchase

1,173

53.8250 GBP

1p ordinary

Purchase

1,158

53.6250 GBP

1p ordinary

Purchase

1,070

53.6750 GBP

1p ordinary

Purchase

765

53.1893 GBP

1p ordinary

Purchase

759

53.8075 GBP

1p ordinary

Purchase

757

53.8000 GBP

ADR

Purchase

670

72.2800 USD

1p ordinary

Purchase

576

53.7507 GBP

1p ordinary

Purchase

573

53.8147 GBP

1p ordinary

Purchase

471

53.7146 GBP

1p ordinary

Purchase

465

53.8377 GBP

1p ordinary

Purchase

440

53.8064 GBP

1p ordinary

Purchase

381

53.7250 GBP

1p ordinary

Purchase

373

53.7446 GBP

1p ordinary

Purchase

350

53.8171 GBP

1p ordinary

Purchase

332

53.8246 GBP

1p ordinary

Purchase

324

53.6500 GBP

ADR

Purchase

300

72.4474 USD

1p ordinary

Purchase

210

53.7500 GBP

1p ordinary

Purchase

195

53.5250 GBP

1p ordinary

Purchase

174

53.7267 GBP

1p ordinary

Purchase

167

53.7000 GBP

1p ordinary

Purchase

158

53.6000 GBP

1p ordinary

Purchase

148

53.5750 GBP

1p ordinary

Purchase

147

53.6005 GBP

1p ordinary

Purchase

132

53.6875 GBP

1p ordinary

Purchase

121

53.7756 GBP

1p ordinary

Purchase

98

53.7750 GBP

1p ordinary

Purchase

77

53.5000 GBP

1p ordinary

Purchase

74

53.9008 GBP

1p ordinary

Purchase

66

53.6450 GBP

1p ordinary

Purchase

62

53.7919 GBP

ADR

Purchase

52

72.3400 USD

1p ordinary

Purchase

52

53.1946 GBP

1p ordinary

Purchase

44

53.5500 GBP

1p ordinary

Purchase

16

53.8108 GBP

1p ordinary

Purchase

7

53.6698 GBP

1p ordinary

Sale

179,319

53.2000 GBP

1p ordinary

Sale

69,567

53.7000 GBP

1p ordinary

Sale

26,300

53.7200 GBP

1p ordinary

Sale

16,661

53.7507 GBP

1p ordinary

Sale

12,245

53.7966 GBP

1p ordinary

Sale

10,111

53.3984 GBP

1p ordinary

Sale

8,075

53.8492 GBP

1p ordinary

Sale

5,636

53.8750 GBP

1p ordinary

Sale

5,211

53.7236 GBP

1p ordinary

Sale

5,000

53.5228 GBP

1p ordinary

Sale

2,840

53.7983 GBP

1p ordinary

Sale

2,456

53.7847 GBP

1p ordinary

Sale

2,119

53.7025 GBP

1p ordinary

Sale

1,400

53.6125 GBP

1p ordinary

Sale

1,197

53.6750 GBP

1p ordinary

Sale

1,158

53.6250 GBP

1p ordinary

Sale

1,082

53.7719 GBP

1p ordinary

Sale

1,058

53.7855 GBP

1p ordinary

Sale

999

53.7763 GBP

1p ordinary

Sale

883

53.2053 GBP

1p ordinary

Sale

797

53.8000 GBP

1p ordinary

Sale

697

53.7670 GBP

ADR

Sale

670

72.2800 USD

1p ordinary

Sale

647

53.4383 GBP

1p ordinary

Sale

480

53.7878 GBP

1p ordinary

Sale

467

53.7658 GBP

1p ordinary

Sale

450

53.8500 GBP

1p ordinary

Sale

440

53.8080 GBP

1p ordinary

Sale

428

53.1893 GBP

1p ordinary

Sale

424

53.7500 GBP

1p ordinary

Sale

387

53.8514 GBP

1p ordinary

Sale

381

53.7250 GBP

1p ordinary

Sale

352

53.7791 GBP

1p ordinary

Sale

340

53.3642 GBP

1p ordinary

Sale

331

53.6500 GBP

1p ordinary

Sale

330

53.8771 GBP

1p ordinary

Sale

308

53.8165 GBP

1p ordinary

Sale

305

53.8253 GBP

ADR

Sale

300

72.4474 USD

1p ordinary

Sale

287

53.8250 GBP

1p ordinary

Sale

241

53.8203 GBP

1p ordinary

Sale

230

53.7750 GBP

1p ordinary

Sale

223

53.8233 GBP

1p ordinary

Sale

195

53.5250 GBP

1p ordinary

Sale

154

53.6000 GBP

1p ordinary

Sale

154

53.9500 GBP

1p ordinary

Sale

148

53.6344 GBP

1p ordinary

Sale

148

53.5750 GBP

1p ordinary

Sale

121

53.8035 GBP

1p ordinary

Sale

119

53.6050 GBP

1p ordinary

Sale

77

53.5000 GBP

ADR

Sale

52

72.3400 USD

1p ordinary

Sale

40

53.5500 GBP

1p ordinary

Sale

6

53.7216 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

1,400

53.6125 GBP

1p ordinary

SWAP

Decreasing Short

33

53.8035 GBP

1p ordinary

SWAP

Decreasing Short

80

53.8719 GBP

1p ordinary

SWAP

Increasing Short

29

53.6005 GBP

1p ordinary

SWAP

Decreasing Short

233

53.6280 GBP

1p ordinary

SWAP

Decreasing Long

268

53.2007 GBP

1p ordinary

SWAP

Opening Short

2,097

53.2000 GBP

1p ordinary

SWAP

Increasing Long

36,589

53.2000 GBP

1p ordinary

SWAP

Decreasing Short

6

53.8295 GBP

1p ordinary

SWAP

Decreasing Short

8

53.8321 GBP

1p ordinary

SWAP

Decreasing Short

1

53.7892 GBP

1p ordinary

SWAP

Decreasing Short

11

53.6446 GBP

1p ordinary

SWAP

Closing Short

276

53.7890 GBP

1p ordinary

SWAP

Decreasing Short

6

53.7209 GBP

1p ordinary

SWAP

Decreasing Long

94,517

53.2008 GBP

1p ordinary

SWAP

Increasing Short

1,464

53.7375 GBP

1p ordinary

SWAP

Decreasing Long

37,242

53.3873 GBP

1p ordinary

CFD

Opening Short

47,945

53.2043 GBP

1p ordinary

CFD

Increasing Short

8,899

53.2047 GBP

1p ordinary

CFD

Increasing Long

52

53.7961 GBP

1p ordinary

CFD

Decreasing Long

467

53.6504 GBP

1p ordinary

CFD

Opening Short

3,489

53.2000 GBP

1p ordinary

SWAP

Increasing Short

10,000

53.2657 GBP

1p ordinary

SWAP

Increasing Long

348

53.4383 GBP

1p ordinary

SWAP

Increasing Long

299

53.4383 GBP

1p ordinary

SWAP

Decreasing Short

10

53.8035 GBP

1p ordinary

SWAP

Decreasing Short

12,245

53.7966 GBP

1p ordinary

SWAP

Decreasing Short

78

53.8035 GBP

1p ordinary

SWAP

Closing Short

263

53.1893 GBP

1p ordinary

SWAP

Opening Long

165

53.1893 GBP

1p ordinary

SWAP

Decreasing Short

376

53.1946 GBP

1p ordinary

SWAP

Opening Long

8,910

53.5272 GBP

1p ordinary

SWAP

Decreasing Short

94

53.3642 GBP

1p ordinary

SWAP

Increasing Short

80

53.5330 GBP

1p ordinary

SWAP

Increasing Short

6

53.5330 GBP

1p ordinary

SWAP

Increasing Short

118

53.6005 GBP

1p ordinary

SWAP

Decreasing Long

573

53.8147 GBP

1p ordinary

SWAP

Decreasing Short

3

53.8220 GBP

1p ordinary

SWAP

Decreasing Short

10

53.8220 GBP

1p ordinary

SWAP

Decreasing Short

338

53.6451 GBP

1p ordinary

SWAP

Decreasing Short

286

53.8321 GBP

1p ordinary

SWAP

Decreasing Long

1,656

53.6137 GBP

1p ordinary

SWAP

Increasing Long

2,955

53.4101 GBP

1p ordinary

CFD

Decreasing Long

52

53.7040 GBP

1p ordinary

CFD

Decreasing Long

618

53.7040 GBP

1p ordinary

CFD

Increasing Long

190

53.8483 GBP

1p ordinary

SWAP

Decreasing Short

538

53.2000 GBP

1p ordinary

SWAP

Decreasing Short

27

53.3642 GBP

1p ordinary

SWAP

Decreasing Short

219

53.3642 GBP

1p ordinary

SWAP

Decreasing Long

4,799

53.4700 GBP

1p ordinary

SWAP

Closing Short

20

53.7889 GBP

1p ordinary

SWAP

Decreasing Short

19

53.8295 GBP

1p ordinary

SWAP

Decreasing Short

120

53.6852 GBP

1p ordinary

SWAP

Decreasing Short

719

53.8295 GBP

1p ordinary

SWAP

Decreasing Long

1,176

53.7960 GBP

1p ordinary

SWAP

Decreasing Long

69

53.8250 GBP

1p ordinary

SWAP

Decreasing Short

9,462

53.2000 GBP

1p ordinary

SWAP

Decreasing Long

74

53.9008 GBP

1p ordinary

SWAP

Decreasing Short

55

53.7890 GBP

1p ordinary

SWAP

Decreasing Short

74

53.6478 GBP

1p ordinary

SWAP

Decreasing Short

347

53.8220 GBP

1p ordinary

SWAP

Increasing Long

697

53.7670 GBP

1p ordinary

SWAP

Decreasing Long

127,774

53.2000 GBP

1p ordinary

SWAP

Decreasing Short

2,030

53.7890 GBP

1p ordinary

SWAP

Increasing Long

969

53.4288 GBP

1p ordinary

SWAP

Decreasing Long

257

53.6496 GBP

1p ordinary

SWAP

Increasing Long

290

53.7613 GBP

1p ordinary

SWAP

Decreasing Long

5,158

53.6851 GBP

1p ordinary

SWAP

Decreasing Long

826

53.6945 GBP

1p ordinary

SWAP

Decreasing Long

2,602

53.7208 GBP

1p ordinary

SWAP

Decreasing Long

5,154

53.2000 GBP

1p ordinary

SWAP

Increasing Long

467

53.7658 GBP

1p ordinary

SWAP

Closing Long

3,520

53.2000 GBP

1p ordinary

SWAP

Opening Short

4,380

53.2000 GBP

1p ordinary

SWAP

Decreasing Long

34,306

53.6759 GBP

1p ordinary

SWAP

Increasing Short

2,131

53.6510 GBP

1p ordinary

SWAP

Increasing Short

4,176

53.7600 GBP

1p ordinary

SWAP

Decreasing Short

96

53.9500 GBP

1p ordinary

SWAP

Closing Short

10,591

53.7507 GBP

1p ordinary

SWAP

Opening Long

6,070

53.7507 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:

02 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213