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:

15 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:

3,138,605

2.04%

3,546,534

2.30%

(2)

Cash-settled derivatives:

2,890,356

1.88%

2,578,693

1.68%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

6,028,961

3.92%

6,125,227

3.98%

(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

261,340

56.6000 GBP

1p ordinary

Purchase

201,878

56.6500 GBP

1p ordinary

Purchase

87,756

57.0695 GBP

1p ordinary

Purchase

50,000

56.6374 GBP

1p ordinary

Purchase

21,641

56.6315 GBP

1p ordinary

Purchase

21,305

56.6339 GBP

1p ordinary

Purchase

21,169

56.7549 GBP

1p ordinary

Purchase

15,325

56.6482 GBP

1p ordinary

Purchase

11,127

56.7044 GBP

1p ordinary

Purchase

11,097

56.6317 GBP

1p ordinary

Purchase

10,661

56.6675 GBP

1p ordinary

Purchase

10,547

56.6496 GBP

1p ordinary

Purchase

9,316

56.6722 GBP

1p ordinary

Purchase

7,402

56.6879 GBP

1p ordinary

Purchase

6,113

56.5924 GBP

1p ordinary

Purchase

5,267

56.6964 GBP

1p ordinary

Purchase

4,399

56.6517 GBP

1p ordinary

Purchase

3,446

56.6504 GBP

1p ordinary

Purchase

3,259

56.6556 GBP

1p ordinary

Purchase

2,813

57.2400 GBP

1p ordinary

Purchase

2,813

57.3720 GBP

1p ordinary

Purchase

2,597

56.6351 GBP

1p ordinary

Purchase

2,592

56.7841 GBP

1p ordinary

Purchase

2,547

56.6741 GBP

1p ordinary

Purchase

2,414

56.7696 GBP

1p ordinary

Purchase

2,015

56.6674 GBP

1p ordinary

Purchase

1,840

56.7140 GBP

1p ordinary

Purchase

1,769

56.6291 GBP

1p ordinary

Purchase

1,708

56.6502 GBP

1p ordinary

Purchase

1,536

56.7481 GBP

1p ordinary

Purchase

1,125

55.8270 GBP

1p ordinary

Purchase

1,125

56.6270 GBP

1p ordinary

Purchase

889

56.6858 GBP

1p ordinary

Purchase

888

56.6605 GBP

1p ordinary

Purchase

646

56.6510 GBP

1p ordinary

Purchase

633

56.6342 GBP

1p ordinary

Purchase

569

56.6331 GBP

1p ordinary

Purchase

520

56.6447 GBP

1p ordinary

Purchase

466

56.6324 GBP

1p ordinary

Purchase

393

56.6385 GBP

1p ordinary

Purchase

360

56.6477 GBP

1p ordinary

Purchase

321

56.7148 GBP

1p ordinary

Purchase

313

56.6795 GBP

1p ordinary

Purchase

288

56.7557 GBP

1p ordinary

Purchase

262

56.7294 GBP

1p ordinary

Purchase

260

56.6965 GBP

1p ordinary

Purchase

221

56.6615 GBP

1p ordinary

Purchase

218

56.6521 GBP

1p ordinary

Purchase

200

56.7000 GBP

1p ordinary

Purchase

198

56.7019 GBP

1p ordinary

Purchase

177

56.6762 GBP

1p ordinary

Purchase

172

56.5919 GBP

1p ordinary

Purchase

168

56.6754 GBP

1p ordinary

Purchase

153

56.7217 GBP

1p ordinary

Purchase

152

56.6583 GBP

1p ordinary

Purchase

146

56.6962 GBP

1p ordinary

Purchase

130

56.6466 GBP

ADR

Purchase

113

76.0885 USD

1p ordinary

Purchase

106

56.7361 GBP

1p ordinary

Purchase

101

56.6862 GBP

1p ordinary

Purchase

97

56.5966 GBP

1p ordinary

Purchase

92

56.6658 GBP

1p ordinary

Purchase

86

56.6914 GBP

1p ordinary

Purchase

73

56.6256 GBP

1p ordinary

Purchase

71

56.6936 GBP

1p ordinary

Purchase

71

56.7268 GBP

1p ordinary

Purchase

60

56.6641 GBP

1p ordinary

Purchase

48

56.5916 GBP

1p ordinary

Purchase

39

56.7965 GBP

1p ordinary

Purchase

23

56.6043 GBP

1p ordinary

Purchase

18

56.6408 GBP

1p ordinary

Purchase

17

56.5500 GBP

1p ordinary

Purchase

10

56.6166 GBP

1p ordinary

Purchase

7

56.6573 GBP

1p ordinary

Purchase

7

56.6557 GBP

1p ordinary

Purchase

6

56.6550 GBP

1p ordinary

Purchase

2

56.7465 GBP

1p ordinary

Sale

110,704

56.6500 GBP

1p ordinary

Sale

41,100

56.6347 GBP

1p ordinary

Sale

24,203

56.6610 GBP

1p ordinary

Sale

23,161

56.6000 GBP

1p ordinary

Sale

19,228

56.6083 GBP

1p ordinary

Sale

12,280

56.7500 GBP

1p ordinary

Sale

9,164

56.6718 GBP

1p ordinary

Sale

6,685

56.6350 GBP

1p ordinary

Sale

6,612

56.6366 GBP

1p ordinary

Sale

6,409

56.6323 GBP

1p ordinary

Sale

4,571

56.6553 GBP

1p ordinary

Sale

4,113

56.6741 GBP

1p ordinary

Sale

3,941

56.6457 GBP

1p ordinary

Sale

3,253

56.6778 GBP

1p ordinary

Sale

3,251

56.7559 GBP

1p ordinary

Sale

3,183

56.6556 GBP

1p ordinary

Sale

2,751

56.6565 GBP

1p ordinary

Sale

2,738

56.6445 GBP

1p ordinary

Sale

2,619

56.6412 GBP

1p ordinary

Sale

2,250

57.4380 GBP

1p ordinary

Sale

2,247

56.6431 GBP

1p ordinary

Sale

1,675

56.7585 GBP

1p ordinary

Sale

1,634

56.6582 GBP

1p ordinary

Sale

1,222

56.6302 GBP

1p ordinary

Sale

1,068

56.7905 GBP

1p ordinary

Sale

1,068

56.6326 GBP

1p ordinary

Sale

1,021

56.7636 GBP

1p ordinary

Sale

852

56.6583 GBP

1p ordinary

Sale

705

56.7604 GBP

1p ordinary

Sale

620

56.6193 GBP

1p ordinary

Sale

619

56.6736 GBP

1p ordinary

Sale

605

56.6941 GBP

1p ordinary

Sale

528

56.6317 GBP

1p ordinary

Sale

487

56.6365 GBP

1p ordinary

Sale

285

56.6348 GBP

1p ordinary

Sale

244

56.6250 GBP

1p ordinary

Sale

227

56.6987 GBP

1p ordinary

Sale

222

56.6517 GBP

1p ordinary

Sale

200

56.6769 GBP

1p ordinary

Sale

200

56.6575 GBP

1p ordinary

Sale

186

56.6495 GBP

1p ordinary

Sale

163

56.7029 GBP

1p ordinary

Sale

111

56.6824 GBP

ADR

Sale

99

76.0700 USD

1p ordinary

Sale

86

56.6311 GBP

1p ordinary

Sale

81

56.6454 GBP

1p ordinary

Sale

78

56.7000 GBP

1p ordinary

Sale

74

56.6477 GBP

1p ordinary

Sale

55

56.6700 GBP

1p ordinary

Sale

51

56.5823 GBP

1p ordinary

Sale

23

56.6639 GBP

1p ordinary

Sale

21

56.6633 GBP

1p ordinary

Sale

15

56.6533 GBP

ADR

Sale

14

76.2200 USD

1p ordinary

Sale

5

56.6600 GBP

1p ordinary

Sale

5

56.6640 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

41,100

56.6347 GBP

1p ordinary

SWAP

Increasing Long

63

56.6454 GBP

1p ordinary

SWAP

Increasing Long

186

56.6495 GBP

1p ordinary

SWAP

Increasing Long

2,969

56.6500 GBP

1p ordinary

SWAP

Decreasing Long

23

56.6042 GBP

1p ordinary

SWAP

Decreasing Long

87,307

56.6500 GBP

1p ordinary

SWAP

Decreasing Short

4

56.6750 GBP

1p ordinary

SWAP

Opening Short

1

56.6750 GBP

1p ordinary

SWAP

Increasing Short

3

56.6750 GBP

1p ordinary

SWAP

Decreasing Short

1,426

56.6750 GBP

1p ordinary

SWAP

Increasing Long

23,161

56.6000 GBP

1p ordinary

SWAP

Increasing Short

1,125

55.8279 GBP

1p ordinary

SWAP

Decreasing Long

10,190

56.6705 GBP

1p ordinary

CFD

Decreasing Short

486

56.6448 GBP

1p ordinary

CFD

Decreasing Long

14

56.6542 GBP

1p ordinary

CFD

Decreasing Long

3,550

56.6539 GBP

1p ordinary

CFD

Decreasing Long

939

56.6340 GBP

1p ordinary

CFD

Decreasing Long

70

56.5857 GBP

1p ordinary

CFD

Increasing Long

3,184

56.6965 GBP

1p ordinary

SWAP

Increasing Short

6,039

56.5924 GBP

1p ordinary

SWAP

Increasing Short

20,000

56.6113 GBP

1p ordinary

SWAP

Increasing Short

74

56.5924 GBP

1p ordinary

SWAP

Decreasing Short

1,201

56.6750 GBP

1p ordinary

SWAP

Opening Short

3,190

56.6556 GBP

1p ordinary

SWAP

Increasing Long

9

56.6700 GBP

1p ordinary

SWAP

Increasing Long

41

56.6700 GBP

1p ordinary

SWAP

Increasing Long

5

56.6700 GBP

1p ordinary

SWAP

Increasing Long

630

56.6366 GBP

1p ordinary

SWAP

Increasing Long

150

56.6366 GBP

1p ordinary

SWAP

Increasing Long

3,643

56.6366 GBP

1p ordinary

SWAP

Decreasing Short

85

56.6387 USD

1p ordinary

SWAP

Increasing Long

18

56.6454 GBP

1p ordinary

SWAP

Increasing Long

311

56.6366 GBP

1p ordinary

SWAP

Increasing Long

1,878

56.6366 GBP

1p ordinary

SWAP

Decreasing Short

5,167

56.6193 GBP

1p ordinary

SWAP

Opening Long

487

56.6365 GBP

1p ordinary

SWAP

Decreasing Short

21

56.6638 GBP

1p ordinary

SWAP

Decreasing Short

23

56.6639 GBP

1p ordinary

SWAP

Decreasing Short

5

56.6640 GBP

1p ordinary

SWAP

Closing Short

1,947

56.6350 GBP

1p ordinary

SWAP

Decreasing Long

1

56.6545 GBP

1p ordinary

SWAP

Increasing Short

20,917

56.6339 GBP

1p ordinary

SWAP

Increasing Short

388

56.6339 GBP

1p ordinary

SWAP

Increasing Long

56

56.6477 GBP

1p ordinary

SWAP

Closing Long

726

56.6500 GBP

1p ordinary

SWAP

Decreasing Short

1

56.6750 GBP

1p ordinary

SWAP

Increasing Short

133

56.6500 GBP

1p ordinary

SWAP

Increasing Short

2,628

56.6750 GBP

1p ordinary

SWAP

Decreasing Long

13

56.6000 GBP

1p ordinary

SWAP

Decreasing Short

2,250

57.4385 GBP

1p ordinary

SWAP

Increasing Long

17

56.6617 GBP

1p ordinary

CFD

Increasing Long

110

56.7482 GBP

1p ordinary

SWAP

Increasing Short

5,203

56.6964 GBP

1p ordinary

SWAP

Increasing Short

20,000

56.6516 GBP

1p ordinary

SWAP

Increasing Short

64

56.6964 GBP

1p ordinary

SWAP

Increasing Long

16

56.6477 GBP

1p ordinary

SWAP

Decreasing Short

3,941

56.6457 GBP

1p ordinary

SWAP

Decreasing Short

2,020

56.6350 GBP

1p ordinary

SWAP

Decreasing Short

2,231

56.6350 GBP

1p ordinary

SWAP

Decreasing Short

487

56.6350 GBP

1p ordinary

SWAP

Increasing Long

2

56.6477 GBP

1p ordinary

SWAP

Increasing Short

21,756

57.0695 GBP

1p ordinary

SWAP

Increasing Short

403

57.0695 GBP

1p ordinary

SWAP

Decreasing Short

2,751

56.6565 GBP

1p ordinary

SWAP

Increasing Short

152

56.6583 GBP

1p ordinary

SWAP

Increasing Long

6

56.6583 GBP

1p ordinary

SWAP

Increasing Short

2,813

57.2400 GBP

1p ordinary

SWAP

Decreasing Long

126

56.7000 GBP

1p ordinary

SWAP

Increasing Short

10,989

56.7044 GBP

1p ordinary

SWAP

Increasing Short

10,000

56.6613 GBP

1p ordinary

SWAP

Increasing Short

138

56.7044 GBP

1p ordinary

SWAP

Increasing Short

64,403

57.0695 GBP

1p ordinary

SWAP

Increasing Short

1,194

57.0695 GBP

1p ordinary

SWAP

Decreasing Short

620

56.6193 GBP

1p ordinary

SWAP

Increasing Short

7

56.6556 GBP

1p ordinary

SWAP

Decreasing Long

889

56.6858 GBP

1p ordinary

SWAP

Increasing Short

1,125

56.6277 GBP

1p ordinary

SWAP

Increasing Long

4,950

56.6500 GBP

1p ordinary

SWAP

Increasing Short

10,962

56.6317 GBP

1p ordinary

SWAP

Increasing Short

135

56.6317 GBP

1p ordinary

SWAP

Decreasing Short

227

56.6987 GBP

1p ordinary

SWAP

Increasing Short

646

56.6510 GBP

1p ordinary

SWAP

Increasing Long

1,068

56.6326 GBP

1p ordinary

SWAP

Increasing Short

2,813

57.3724 GBP

1p ordinary

SWAP

Decreasing Long

106

56.7360 GBP

1p ordinary

SWAP

Increasing Short

10,417

56.6496 GBP

1p ordinary

SWAP

Increasing Short

130

56.6496 GBP

1p ordinary

SWAP

Decreasing Short

200

56.6575 GBP

1p ordinary

SWAP

Increasing Short

30

56.6556 GBP

1p ordinary

SWAP

Decreasing Long

11

56.6500 GBP

1p ordinary

SWAP

Decreasing Long

1,840

56.7140 GBP

1p ordinary

SWAP

Increasing Short

310

56.6795 GBP

1p ordinary

SWAP

Increasing Short

3

56.6795 GBP

1p ordinary

SWAP

Increasing Short

6

56.6556 GBP

1p ordinary

SWAP

Decreasing Long

9,566

56.6500 GBP

1p ordinary

SWAP

Decreasing Long

2,414

56.7696 GBP

1p ordinary

SWAP

Increasing Short

21,376

56.6315 GBP

1p ordinary

SWAP

Increasing Short

265

56.6315 GBP

1p ordinary

SWAP

Increasing Short

39

56.6556 GBP

1p ordinary

SWAP

Increasing Long

64

56.6250 GBP

1p ordinary

SWAP

Increasing Long

51

56.5823 GBP

1p ordinary

SWAP

Increasing Long

86

56.6311 GBP

1p ordinary

SWAP

Decreasing Long

1,610

56.7459 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:

16 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213