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:

11 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:

2,750,437

1.79%

3,346,960

2.17%

(2)

Cash-settled derivatives:

2,658,065

1.73%

2,410,261

1.57%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

5,408,502

3.51%

5,757,221

3.74%

(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

305,873

55.5500 GBP

1p ordinary

Purchase

60,000

55.7890 GBP

1p ordinary

Purchase

57,202

55.5596 GBP

1p ordinary

Purchase

41,400

55.9840 GBP

1p ordinary

Purchase

27,100

55.7793 GBP

1p ordinary

Purchase

25,746

55.7482 GBP

1p ordinary

Purchase

21,787

55.5389 GBP

1p ordinary

Purchase

20,866

55.6658 GBP

1p ordinary

Purchase

20,000

56.2781 GBP

1p ordinary

Purchase

8,288

55.5417 GBP

1p ordinary

Purchase

6,081

55.6299 GBP

1p ordinary

Purchase

4,125

55.9732 GBP

1p ordinary

Purchase

3,703

55.7828 GBP

1p ordinary

Purchase

3,222

56.2415 GBP

1p ordinary

Purchase

2,062

55.8466 GBP

1p ordinary

Purchase

1,712

56.0606 GBP

1p ordinary

Purchase

1,684

56.1482 GBP

1p ordinary

Purchase

1,651

56.1464 GBP

1p ordinary

Purchase

1,340

55.9445 GBP

1p ordinary

Purchase

1,340

55.8750 GBP

1p ordinary

Purchase

1,247

55.8762 GBP

1p ordinary

Purchase

1,192

56.1466 GBP

1p ordinary

Purchase

1,190

55.5832 GBP

1p ordinary

Purchase

1,125

55.9750 GBP

1p ordinary

Purchase

946

56.1500 GBP

1p ordinary

Purchase

920

56.1312 GBP

1p ordinary

Purchase

740

55.6531 GBP

1p ordinary

Purchase

678

56.2000 GBP

1p ordinary

Purchase

656

56.1175 GBP

1p ordinary

Purchase

586

55.9082 GBP

1p ordinary

Purchase

543

56.1935 GBP

1p ordinary

Purchase

427

55.5388 GBP

1p ordinary

Purchase

389

56.1432 GBP

1p ordinary

Purchase

346

56.0593 GBP

1p ordinary

Purchase

309

55.8068 GBP

ADR

Purchase

256

74.4873 USD

1p ordinary

Purchase

216

55.9944 GBP

1p ordinary

Purchase

174

55.9160 GBP

1p ordinary

Purchase

170

56.0000 GBP

1p ordinary

Purchase

168

55.9983 GBP

1p ordinary

Purchase

137

56.0753 GBP

1p ordinary

Purchase

127

55.7492 GBP

1p ordinary

Purchase

103

55.9030 GBP

1p ordinary

Purchase

92

55.8000 GBP

1p ordinary

Purchase

84

55.5559 GBP

1p ordinary

Purchase

68

56.0955 GBP

1p ordinary

Purchase

47

55.8993 GBP

1p ordinary

Purchase

1

55.6250 GBP

1p ordinary

Sale

528,814

55.5500 GBP

1p ordinary

Sale

105,000

56.1606 GBP

1p ordinary

Sale

88,357

55.6911 GBP

1p ordinary

Sale

52,381

55.7032 GBP

1p ordinary

Sale

50,000

56.2655 GBP

1p ordinary

Sale

47,241

56.0729 GBP

1p ordinary

Sale

44,746

55.9784 GBP

1p ordinary

Sale

10,909

56.0403 GBP

1p ordinary

Sale

7,238

55.9597 GBP

1p ordinary

Sale

6,903

55.9523 GBP

1p ordinary

Sale

6,800

55.9617 GBP

1p ordinary

Sale

5,588

56.1995 GBP

1p ordinary

Sale

5,344

55.8034 GBP

1p ordinary

Sale

5,315

56.2457 GBP

1p ordinary

Sale

5,019

55.9678 GBP

1p ordinary

Sale

4,996

55.8295 GBP

1p ordinary

Sale

4,902

56.0200 GBP

1p ordinary

Sale

4,738

56.0180 GBP

1p ordinary

Sale

4,671

54.9615 GBP

1p ordinary

Sale

3,932

55.7263 GBP

1p ordinary

Sale

3,646

56.1265 GBP

1p ordinary

Sale

3,247

55.9236 GBP

1p ordinary

Sale

3,167

56.0548 GBP

1p ordinary

Sale

2,472

56.1027 GBP

1p ordinary

Sale

1,729

55.7750 GBP

1p ordinary

Sale

1,618

55.7676 GBP

1p ordinary

Sale

1,569

55.6907 GBP

1p ordinary

Sale

1,420

55.8482 GBP

1p ordinary

Sale

1,364

56.0799 GBP

1p ordinary

Sale

1,234

55.9500 GBP

1p ordinary

Sale

1,178

56.0964 GBP

1p ordinary

Sale

1,099

55.7474 GBP

1p ordinary

Sale

900

55.8598 GBP

1p ordinary

Sale

857

56.0720 GBP

1p ordinary

Sale

849

55.6646 GBP

1p ordinary

Sale

690

55.6516 GBP

1p ordinary

Sale

647

56.1422 GBP

1p ordinary

Sale

629

55.5583 GBP

1p ordinary

Sale

510

55.9915 GBP

1p ordinary

Sale

422

55.8976 GBP

1p ordinary

Sale

412

56.0444 GBP

1p ordinary

Sale

361

56.1252 GBP

ADR

Sale

246

74.4799 USD

1p ordinary

Sale

245

56.0007 GBP

1p ordinary

Sale

230

56.1000 GBP

1p ordinary

Sale

202

55.8455 GBP

1p ordinary

Sale

169

56.0000 GBP

1p ordinary

Sale

146

55.8250 GBP

1p ordinary

Sale

96

56.0250 GBP

1p ordinary

Sale

91

55.6653 GBP

1p ordinary

Sale

78

55.8500 GBP

1p ordinary

Sale

69

56.2000 GBP

1p ordinary

Sale

68

55.7216 GBP

1p ordinary

Sale

67

56.1500 GBP

1p ordinary

Sale

64

55.9300 GBP

1p ordinary

Sale

62

55.7774 GBP

1p ordinary

Sale

37

55.8319 GBP

1p ordinary

Sale

16

55.6250 GBP

ADR

Sale

10

74.6700 USD

1p ordinary

Sale

3

55.7000 GBP

1p ordinary

Sale

3

56.0835 GBP

1p ordinary

Sale

1

55.8750 GBP

1p ordinary

Sale

1

55.9750 GBP

1p ordinary

Sale

1

56.2516 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

31,900

55.6771 GBP

1p ordinary

SWAP

Increasing Long

122

56.0444 GBP

1p ordinary

SWAP

Increasing Long

72

55.8455 GBP

1p ordinary

SWAP

Closing Short

4,247

56.1995 GBP

1p ordinary

SWAP

Opening Long

1,341

56.1995 GBP

1p ordinary

SWAP

Decreasing Short

100

56.2494 GBP

1p ordinary

SWAP

Decreasing Short

62

55.7773 GBP

1p ordinary

SWAP

Increasing Long

251,017

55.5500 GBP

1p ordinary

SWAP

Decreasing Short

2

56.1994 GBP

1p ordinary

SWAP

Decreasing Long

286

56.3000 GBP

1p ordinary

SWAP

Increasing Long

18,463

56.0295 GBP

1p ordinary

SWAP

Increasing Long

135

55.5587 GBP

1p ordinary

CFD

Decreasing Short

1,729

55.7750 GBP

1p ordinary

CFD

Decreasing Long

10

55.8540 GBP

1p ordinary

CFD

Decreasing Short

446

55.5461 GBP

1p ordinary

CFD

Increasing Long

1,698

56.1930 GBP

1p ordinary

CFD

Decreasing Long

353

55.8988 GBP

1p ordinary

CFD

Increasing Long

1,169

55.7820 GBP

1p ordinary

CFD

Increasing Long

10,834

55.9441 GBP

1p ordinary

CFD

Increasing Long

34

55.7820 GBP

1p ordinary

SWAP

Decreasing Short

292

55.8955 GBP

1p ordinary

SWAP

Increasing Short

25,428

55.7482 GBP

1p ordinary

SWAP

Decreasing Short

60,000

56.1606 GBP

1p ordinary

SWAP

Increasing Short

318

55.7482 GBP

1p ordinary

SWAP

Increasing Short

1,000

56.1056 GBP

1p ordinary

SWAP

Opening Long

3,932

55.7263 GBP

1p ordinary

SWAP

Increasing Short

41,841

55.5500 GBP

1p ordinary

SWAP

Decreasing Short

50,000

56.2655 GBP

1p ordinary

SWAP

Opening Short

2,585

55.5610 GBP

1p ordinary

SWAP

Increasing Long

88

55.8455 GBP

1p ordinary

SWAP

Increasing Long

36

55.8455 GBP

1p ordinary

SWAP

Increasing Long

6

55.8455 GBP

1p ordinary

SWAP

Increasing Short

300

55.5611 GBP

1p ordinary

SWAP

Decreasing Short

430

55.5389 USD

1p ordinary

SWAP

Increasing Long

35

56.0444 GBP

1p ordinary

SWAP

Closing Short

497

55.5416 GBP

1p ordinary

SWAP

Increasing Short

1,341

55.9837 GBP

1p ordinary

SWAP

Closing Short

2,205

55.5417 GBP

1p ordinary

SWAP

Decreasing Short

62

55.5388 GBP

1p ordinary

SWAP

Increasing Long

255

56.0444 GBP

1p ordinary

SWAP

Increasing Short

37

55.5610 GBP

1p ordinary

SWAP

Closing Short

14,604

56.1606 GBP

1p ordinary

SWAP

Closing Short

30,396

56.1606 GBP

1p ordinary

SWAP

Increasing Long

471

55.6907 GBP

1p ordinary

SWAP

Decreasing Long

47

55.8993 GBP

1p ordinary

SWAP

Decreasing Short

1,178

56.0964 GBP

1p ordinary

SWAP

Decreasing Long

85

55.5588 GBP

1p ordinary

SWAP

Decreasing Long

4,932

55.7809 GBP

1p ordinary

SWAP

Increasing Long

23,235

55.5500 GBP

1p ordinary

CFD

Decreasing Long

1,498

56.0089 GBP

1p ordinary

CFD

Decreasing Long

1,032

55.9193 GBP

1p ordinary

SWAP

Decreasing Short

4,671

54.9615 GBP

1p ordinary

SWAP

Decreasing Short

800

55.5444 GBP

1p ordinary

SWAP

Increasing Short

480

55.5500 GBP

1p ordinary

SWAP

Increasing Short

7,679

55.5500 GBP

1p ordinary

SWAP

Increasing Long

135

55.6907 GBP

1p ordinary

SWAP

Increasing Short

1,340

55.8805 GBP

1p ordinary

SWAP

Increasing Long

963

55.6907 GBP

1p ordinary

SWAP

Decreasing Short

5,344

55.8034 GBP

1p ordinary

SWAP

Decreasing Long

14,982

55.6242 GBP

1p ordinary

SWAP

Closing Long

32,863

55.5527 GBP

1p ordinary

SWAP

Opening Short

14,446

55.5527 GBP

1p ordinary

SWAP

Increasing Long

3,646

56.1265 GBP

1p ordinary

SWAP

Increasing Short

20,000

55.8390 GBP

1p ordinary

SWAP

Increasing Short

1,190

55.5832 GBP

1p ordinary

SWAP

Closing Short

2,991

55.5500 GBP

1p ordinary

SWAP

Opening Long

753

55.5500 GBP

1p ordinary

SWAP

Decreasing Long

920

56.1312 GBP

1p ordinary

SWAP

Decreasing Short

465

55.5500 GBP

1p ordinary

SWAP

Increasing Long

6,800

55.9617 GBP

1p ordinary

SWAP

Increasing Short

20,000

55.9391 GBP

1p ordinary

SWAP

Increasing Short

1,340

55.9445 GBP

1p ordinary

SWAP

Increasing Long

48

55.5562 GBP

1p ordinary

SWAP

Decreasing Short

4,659

55.5500 GBP

1p ordinary

SWAP

Decreasing Long

92

55.8000 GBP

1p ordinary

SWAP

Increasing Short

20,000

55.5888 GBP

1p ordinary

SWAP

Increasing Short

103

55.9030 GBP

1p ordinary

SWAP

Increasing Long

5,081

55.6640 GBP

1p ordinary

SWAP

Decreasing Short

2,240

55.5500 GBP

1p ordinary

SWAP

Increasing Long

44,746

55.9784 GBP

1p ordinary

SWAP

Decreasing Short

5,315

56.2457 GBP

1p ordinary

SWAP

Increasing Long

510

55.9915 GBP

1p ordinary

SWAP

Closing Short

7,082

55.5500 GBP

1p ordinary

SWAP

Decreasing Long

27,100

55.7793 GBP

1p ordinary

SWAP

Increasing Short

10,000

56.2781 GBP

1p ordinary

SWAP

Increasing Long

4,175

55.5500 GBP

1p ordinary

SWAP

Increasing Short

10,000

56.2781 GBP

1p ordinary

SWAP

Increasing Long

3,167

56.0547 GBP

1p ordinary

SWAP

Increasing Long

1,618

55.7676 GBP

1p ordinary

SWAP

Decreasing Long

1,684

56.1482 GBP

1p ordinary

SWAP

Increasing Long

47,241

56.0729 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:

12 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213