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:

17 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:

2,982,356

1.94%

3,528,552

2.29%

(2)

Cash-settled derivatives:

2,874,119

1.87%

2,431,858

1.58%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

5,856,475

3.80%

5,960,410

3.87%

(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

150,508

57.2000 GBP

1p ordinary

Purchase

20,000

56.8864 GBP

1p ordinary

Purchase

14,536

57.1938 GBP

1p ordinary

Purchase

14,294

57.1407 GBP

1p ordinary

Purchase

6,490

56.9726 GBP

1p ordinary

Purchase

5,806

57.1959 GBP

1p ordinary

Purchase

2,604

57.0372 GBP

1p ordinary

Purchase

2,283

56.9268 GBP

1p ordinary

Purchase

2,159

56.9421 GBP

1p ordinary

Purchase

2,037

56.9324 GBP

1p ordinary

Purchase

1,586

56.9286 GBP

1p ordinary

Purchase

1,294

56.9134 GBP

1p ordinary

Purchase

1,112

56.9673 GBP

1p ordinary

Purchase

1,102

56.9288 GBP

1p ordinary

Purchase

801

56.8750 GBP

1p ordinary

Purchase

572

56.9500 GBP

1p ordinary

Purchase

228

56.8908 GBP

1p ordinary

Purchase

188

56.9000 GBP

1p ordinary

Purchase

176

56.8755 GBP

1p ordinary

Purchase

79

56.9832 GBP

1p ordinary

Purchase

53

56.9250 GBP

1p ordinary

Purchase

44

56.9227 GBP

1p ordinary

Purchase

25

57.0500 GBP

1p ordinary

Purchase

8

57.1000 GBP

1p ordinary

Purchase

4

57.0000 GBP

1p ordinary

Sale

108,014

57.2000 GBP

1p ordinary

Sale

55,446

57.1446 GBP

1p ordinary

Sale

18,607

57.1875 GBP

1p ordinary

Sale

12,165

57.1469 GBP

1p ordinary

Sale

11,820

57.0272 GBP

1p ordinary

Sale

11,142

56.9115 GBP

1p ordinary

Sale

10,556

57.0021 GBP

1p ordinary

Sale

9,763

56.9542 GBP

1p ordinary

Sale

8,241

57.1440 GBP

1p ordinary

Sale

6,409

57.0171 GBP

1p ordinary

Sale

6,400

56.9336 GBP

1p ordinary

Sale

5,089

56.9653 GBP

1p ordinary

Sale

4,749

57.1250 GBP

1p ordinary

Sale

2,745

57.1555 GBP

1p ordinary

Sale

2,394

57.0528 GBP

1p ordinary

Sale

2,165

56.8500 GBP

1p ordinary

Sale

1,936

56.8750 GBP

1p ordinary

Sale

1,626

57.0231 GBP

1p ordinary

Sale

1,613

56.8794 GBP

1p ordinary

Sale

1,592

57.0141 GBP

1p ordinary

Sale

1,396

56.8889 GBP

1p ordinary

Sale

1,305

56.9871 GBP

1p ordinary

Sale

1,004

57.1914 GBP

1p ordinary

Sale

896

56.9906 GBP

1p ordinary

Sale

886

56.9379 GBP

1p ordinary

Sale

751

56.9463 GBP

1p ordinary

Sale

728

56.8932 GBP

1p ordinary

Sale

631

57.0500 GBP

1p ordinary

Sale

499

56.9000 GBP

1p ordinary

Sale

483

57.0649 GBP

1p ordinary

Sale

445

57.0188 GBP

1p ordinary

Sale

440

57.0348 GBP

1p ordinary

Sale

407

56.9651 GBP

1p ordinary

Sale

400

57.0180 GBP

1p ordinary

Sale

378

57.0640 GBP

1p ordinary

Sale

322

56.9805 GBP

1p ordinary

Sale

261

56.9421 GBP

1p ordinary

Sale

220

56.9304 GBP

1p ordinary

Sale

220

56.9250 GBP

1p ordinary

Sale

211

56.8812 GBP

1p ordinary

Sale

133

57.0195 GBP

1p ordinary

Sale

131

56.9866 GBP

1p ordinary

Sale

116

56.9500 GBP

1p ordinary

Sale

110

56.9750 GBP

1p ordinary

Sale

90

56.9333 GBP

1p ordinary

Sale

85

57.0000 GBP

1p ordinary

Sale

82

57.1953 GBP

1p ordinary

Sale

62

57.1500 GBP

1p ordinary

Sale

60

56.9450 GBP

1p ordinary

Sale

47

57.0250 GBP

1p ordinary

Sale

46

56.8993 GBP

1p ordinary

Sale

45

57.0811 GBP

1p ordinary

Sale

44

56.9068 GBP

1p ordinary

Sale

24

57.0750 GBP

1p ordinary

Sale

16

57.1912 GBP

1p ordinary

Sale

10

57.1990 GBP

1p ordinary

Sale

8

57.1000 GBP

1p ordinary

Sale

6

57.1916 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

2,744

57.1959 GBP

1p ordinary

SWAP

Increasing Long

63

57.1954 GBP

1p ordinary

SWAP

Closing Short

322

57.0649 GBP

1p ordinary

SWAP

Opening Long

50

57.0649 GBP

1p ordinary

SWAP

Increasing Long

3,777

57.2000 GBP

1p ordinary

SWAP

Decreasing Long

50,327

57.2000 GBP

1p ordinary

SWAP

Decreasing Short

46

56.8994 GBP

1p ordinary

SWAP

Decreasing Long

8,341

57.1846 GBP

1p ordinary

SWAP

Decreasing Long

547

56.9662 GBP

1p ordinary

CFD

Decreasing Short

62

57.1448 GBP

1p ordinary

CFD

Increasing Long

5,850

57.0679 GBP

1p ordinary

CFD

Increasing Long

799

57.0569 GBP

1p ordinary

CFD

Increasing Long

440

57.0347 GBP

1p ordinary

CFD

Increasing Long

518

57.0679 GBP

1p ordinary

SWAP

Increasing Short

2,013

56.9324 GBP

1p ordinary

SWAP

Increasing Short

24

56.9324 GBP

1p ordinary

SWAP

Decreasing Short

2,000

56.8443 GBP

1p ordinary

SWAP

Decreasing Short

11,051

57.2000 GBP

1p ordinary

SWAP

Decreasing Short

721

57.1440 GBP

1p ordinary

SWAP

Increasing Long

49

57.0427 GBP

1p ordinary

SWAP

Increasing Long

25

57.0427 GBP

1p ordinary

SWAP

Increasing Long

9,249

57.1469 GBP

1p ordinary

SWAP

Opening Long

2

57.0649 GBP

1p ordinary

SWAP

Closing Short

109

57.0649 GBP

1p ordinary

SWAP

Increasing Long

5,839

57.1440 GBP

1p ordinary

SWAP

Increasing Long

1,925

57.1469 GBP

1p ordinary

SWAP

Increasing Long

17

57.1954 GBP

1p ordinary

SWAP

Increasing Long

991

57.1469 GBP

1p ordinary

SWAP

Increasing Long

305

57.1914 GBP

1p ordinary

SWAP

Decreasing Short

11,820

57.0272 GBP

1p ordinary

SWAP

Increasing Long

699

57.1914 GBP

1p ordinary

SWAP

Decreasing Short

1,458

57.1440 GBP

1p ordinary

SWAP

Decreasing Short

223

57.1440 GBP

1p ordinary

SWAP

Increasing Long

2

57.1954 GBP

1p ordinary

SWAP

Decreasing Short

48

57.0468 GBP

1p ordinary

SWAP

Opening Long

8,019

57.0621 GBP

1p ordinary

SWAP

Increasing Long

10,556

57.0021 GBP

1p ordinary

SWAP

Increasing Long

42

56.9138 GBP

1p ordinary

SWAP

Increasing Long

322

57.0468 GBP

1p ordinary

SWAP

Decreasing Short

10

57.1989 GBP

1p ordinary

SWAP

Increasing Long

11,485

57.1974 GBP

1p ordinary

SWAP

Decreasing Long

2,432

56.8931 GBP

1p ordinary

SWAP

Increasing Short

3,081

57.1407 GBP

1p ordinary

SWAP

Increasing Short

38

57.1407 GBP

1p ordinary

SWAP

Decreasing Short

149

57.2000 GBP

1p ordinary

SWAP

Increasing Long

109

57.0467 GBP

1p ordinary

SWAP

Increasing Long

12

56.9138 GBP

1p ordinary

SWAP

Increasing Long

6

57.1916 GBP

1p ordinary

SWAP

Decreasing Short

1,115

56.9308 GBP

1p ordinary

SWAP

Increasing Long

16

57.1912 GBP

1p ordinary

SWAP

Increasing Long

3

56.9138 GBP

1p ordinary

SWAP

Decreasing Long

1,112

56.9673 GBP

1p ordinary

SWAP

Increasing Long

175

57.2000 GBP

1p ordinary

SWAP

Increasing Short

11,049

57.1407 GBP

1p ordinary

SWAP

Increasing Short

126

57.1407 GBP

1p ordinary

SWAP

Decreasing Short

15,472

57.2000 GBP

1p ordinary

SWAP

Decreasing Short

2,857

56.9574 GBP

1p ordinary

SWAP

Increasing Long

731

56.9247 GBP

1p ordinary

SWAP

Increasing Long

1,547

57.0682 GBP

1p ordinary

SWAP

Decreasing Short

1,510

57.2000 GBP

1p ordinary

SWAP

Decreasing Short

2,745

57.1555 GBP

1p ordinary

SWAP

Increasing Long

21

57.2000 GBP

1p ordinary

SWAP

Increasing Long

21,314

57.2000 GBP

1p ordinary

SWAP

Increasing Long

432

57.1243 GBP

1p ordinary

SWAP

Increasing Long

1,592

57.0140 GBP

1p ordinary

SWAP

Increasing Long

823

57.0250 GBP

1p ordinary

SWAP

Increasing Long

133

57.0195 GBP

1p ordinary

SWAP

Decreasing Long

1,018

56.9250 GBP

1p ordinary

SWAP

Decreasing Long

2,311

56.9267 GBP

1p ordinary

SWAP

Increasing Long

1,626

57.0231 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:

18 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213