Barclays Regulatory News (BARC)

FORM 8.3

Amendment - this form replaces RNS number 1483F published at 15:27 on 20/05/2026, changes made to section 2A,3A

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:

19 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:

2,674,286

1.74%

2,421,181

1.57%

(2)

Cash-settled derivatives:

2,436,080

1.58%

2,286,874

1.49%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

5,110,366

3.32%

4,708,055

3.06%

(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

103,811

54.9669 GBP

1p ordinary

Purchase

91,405

54.9500 GBP

1p ordinary

Purchase

75,000

55.4117 GBP

1p ordinary

Purchase

33,786

54.9943 GBP

1p ordinary

Purchase

33,589

54.9510 GBP

1p ordinary

Purchase

22,113

55.1211 GBP

1p ordinary

Purchase

11,471

55.3973 GBP

1p ordinary

Purchase

10,655

54.9582 GBP

1p ordinary

Purchase

10,000

55.2896 GBP

1p ordinary

Purchase

6,397

55.1810 GBP

1p ordinary

Purchase

5,582

55.1518 GBP

1p ordinary

Purchase

4,493

55.3882 GBP

1p ordinary

Purchase

2,367

55.3235 GBP

1p ordinary

Purchase

1,539

55.6874 GBP

1p ordinary

Purchase

1,539

55.3033 GBP

ADR

Purchase

1,462

74.0892 USD

ADR

Purchase

1,120

73.8560 USD

1p ordinary

Purchase

900

55.5427 GBP

1p ordinary

Purchase

763

55.3661 GBP

1p ordinary

Purchase

744

55.6500 GBP

1p ordinary

Purchase

734

55.6717 GBP

1p ordinary

Purchase

698

55.2003 GBP

1p ordinary

Purchase

652

54.9778 GBP

1p ordinary

Purchase

568

55.6750 GBP

1p ordinary

Purchase

476

55.7748 GBP

1p ordinary

Purchase

453

55.3212 GBP

1p ordinary

Purchase

432

55.2250 GBP

1p ordinary

Purchase

386

55.6612 GBP

1p ordinary

Purchase

367

55.6917 GBP

1p ordinary

Purchase

296

55.6804 GBP

1p ordinary

Purchase

282

55.0561 GBP

1p ordinary

Purchase

245

54.9519 GBP

1p ordinary

Purchase

209

55.4111 GBP

1p ordinary

Purchase

178

55.7250 GBP

1p ordinary

Purchase

178

55.6061 GBP

1p ordinary

Purchase

162

55.4503 GBP

1p ordinary

Purchase

154

55.7000 GBP

1p ordinary

Purchase

147

55.3853 GBP

1p ordinary

Purchase

135

55.2655 GBP

1p ordinary

Purchase

133

55.3000 GBP

1p ordinary

Purchase

110

55.0656 GBP

1p ordinary

Purchase

84

55.1500 GBP

1p ordinary

Purchase

77

54.9390 GBP

1p ordinary

Purchase

72

55.2000 GBP

1p ordinary

Purchase

51

55.6352 GBP

1p ordinary

Purchase

38

55.0855 GBP

1p ordinary

Purchase

14

55.0500 GBP

1p ordinary

Purchase

11

55.1250 GBP

1p ordinary

Purchase

7

55.8286 GBP

1p ordinary

Purchase

7

54.9000 GBP

1p ordinary

Purchase

6

55.1000 GBP

1p ordinary

Sale

124,677

54.9500 GBP

1p ordinary

Sale

26,461

55.0723 GBP

1p ordinary

Sale

19,428

55.4155 GBP

1p ordinary

Sale

12,421

55.2811 GBP

1p ordinary

Sale

9,468

54.9589 GBP

1p ordinary

Sale

8,751

55.5059 GBP

1p ordinary

Sale

5,455

55.1949 GBP

1p ordinary

Sale

4,661

55.6544 GBP

1p ordinary

Sale

4,168

55.1457 GBP

1p ordinary

Sale

3,710

55.1272 GBP

1p ordinary

Sale

3,613

55.2154 GBP

1p ordinary

Sale

2,935

55.0507 GBP

1p ordinary

Sale

2,846

55.7000 GBP

1p ordinary

Sale

2,473

54.9889 GBP

1p ordinary

Sale

2,329

55.5540 GBP

1p ordinary

Sale

2,079

54.9461 GBP

1p ordinary

Sale

1,881

55.6184 GBP

ADR

Sale

1,162

74.2005 USD

1p ordinary

Sale

1,081

55.3246 GBP

1p ordinary

Sale

971

55.1897 GBP

1p ordinary

Sale

866

55.6341 GBP

ADR

Sale

820

73.7887 USD

1p ordinary

Sale

713

55.6750 GBP

1p ordinary

Sale

640

55.4260 GBP

1p ordinary

Sale

573

55.6500 GBP

1p ordinary

Sale

559

55.6317 GBP

1p ordinary

Sale

498

55.4694 GBP

1p ordinary

Sale

445

55.1706 GBP

1p ordinary

Sale

441

55.1250 GBP

1p ordinary

Sale

392

55.1915 GBP

1p ordinary

Sale

374

55.6869 GBP

1p ordinary

Sale

372

55.4125 GBP

1p ordinary

Sale

369

55.1165 GBP

ADR

Sale

300

74.0400 USD

ADR

Sale

300

73.6580 USD

1p ordinary

Sale

297

54.9888 GBP

1p ordinary

Sale

264

55.6194 GBP

1p ordinary

Sale

260

55.3383 GBP

1p ordinary

Sale

253

55.1946 GBP

1p ordinary

Sale

231

55.2500 GBP

1p ordinary

Sale

215

54.9313 GBP

1p ordinary

Sale

213

55.0750 GBP

1p ordinary

Sale

198

55.6339 GBP

1p ordinary

Sale

182

55.2750 GBP

1p ordinary

Sale

170

55.6848 GBP

1p ordinary

Sale

150

55.6516 GBP

1p ordinary

Sale

136

55.3139 GBP

1p ordinary

Sale

122

55.6958 GBP

1p ordinary

Sale

105

55.4256 GBP

1p ordinary

Sale

76

55.0368 GBP

1p ordinary

Sale

76

55.6250 GBP

1p ordinary

Sale

72

55.2000 GBP

1p ordinary

Sale

59

55.6000 GBP

1p ordinary

Sale

55

55.4000 GBP

1p ordinary

Sale

34

55.6823 GBP

1p ordinary

Sale

24

55.0000 GBP

1p ordinary

Sale

24

55.0531 GBP

1p ordinary

Sale

22

55.3500 GBP

1p ordinary

Sale

20

55.6964 GBP

1p ordinary

Sale

17

55.0500 GBP

1p ordinary

Sale

11

55.0772 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

75,000

55.4117 GBP

1p ordinary

SWAP

Increasing Long

2,079

54.9461 GBP

1p ordinary

SWAP

Increasing Long

231

54.9500 GBP

1p ordinary

SWAP

Increasing Long

602

54.9580 GBP

1p ordinary

SWAP

Increasing Long

9,468

54.9589 GBP

1p ordinary

SWAP

Increasing Long

201

54.9619 GBP

1p ordinary

SWAP

Increasing Long

297

54.9888 GBP

1p ordinary

SWAP

Increasing Long

2,473

54.9889 GBP

1p ordinary

SWAP

Increasing Long

3,710

55.1273 GBP

1p ordinary

SWAP

Increasing Long

4,168

55.1457 GBP

1p ordinary

SWAP

Increasing Long

131

55.2500 USD

1p ordinary

SWAP

Increasing Long

1,272

55.2501 USD

1p ordinary

SWAP

Increasing Long

12,421

55.2810 GBP

1p ordinary

SWAP

Increasing Long

105

55.4256 GBP

1p ordinary

SWAP

Increasing Long

203

55.4950 GBP

1p ordinary

SWAP

Increasing Long

261

55.5000 GBP

1p ordinary

SWAP

Increasing Long

8,751

55.5059 GBP

1p ordinary

SWAP

Increasing Long

455

55.5693 GBP

1p ordinary

SWAP

Increasing Long

1,881

55.6183 GBP

1p ordinary

SWAP

Increasing Long

264

55.6194 GBP

1p ordinary

SWAP

Increasing Long

559

55.6316 GBP

1p ordinary

SWAP

Increasing Long

198

55.6339 GBP

1p ordinary

SWAP

Increasing Long

866

55.6341 GBP

1p ordinary

SWAP

Increasing Long

4,661

55.6544 GBP

1p ordinary

SWAP

Increasing Long

614

55.6562 GBP

1p ordinary

SWAP

Increasing Long

251

55.6750 GBP

1p ordinary

SWAP

Increasing Long

170

55.6848 GBP

1p ordinary

SWAP

Increasing Long

374

55.6869 GBP

1p ordinary

SWAP

Increasing Long

122

55.6958 GBP

1p ordinary

SWAP

Increasing Long

20

55.6964 GBP

1p ordinary

SWAP

Increasing Long

8,647

55.7000 GBP

1p ordinary

SWAP

Decreasing Long

60,766

54.9500 GBP

1p ordinary

SWAP

Decreasing Long

33,589

54.9510 GBP

1p ordinary

SWAP

Decreasing Long

245

54.9519 GBP

1p ordinary

SWAP

Decreasing Long

10,655

54.9582 GBP

1p ordinary

SWAP

Decreasing Long

652

54.9778 GBP

1p ordinary

SWAP

Decreasing Long

99

54.9837 GBP

1p ordinary

SWAP

Decreasing Long

1,000

55.0055 GBP

1p ordinary

SWAP

Decreasing Long

55

55.0155 GBP

1p ordinary

SWAP

Decreasing Long

7,879

55.0240 GBP

1p ordinary

SWAP

Decreasing Long

282

55.0561 GBP

1p ordinary

SWAP

Decreasing Long

4,783

55.0585 GBP

1p ordinary

SWAP

Decreasing Long

582

55.0722 GBP

1p ordinary

SWAP

Decreasing Long

1,084

55.0894 GBP

1p ordinary

SWAP

Decreasing Long

1

55.1055 GBP

1p ordinary

SWAP

Decreasing Long

333

55.1292 GBP

1p ordinary

SWAP

Decreasing Long

6,397

55.1810 GBP

1p ordinary

SWAP

Decreasing Long

10,000

55.2896 GBP

1p ordinary

SWAP

Decreasing Long

2,130

55.3000 GBP

1p ordinary

SWAP

Decreasing Long

2,367

55.3235 GBP

1p ordinary

SWAP

Decreasing Long

11,471

55.3973 GBP

1p ordinary

SWAP

Decreasing Long

882

55.4605 GBP

1p ordinary

SWAP

Decreasing Long

615

55.5374 GBP

1p ordinary

SWAP

Decreasing Long

154

55.5378 GBP

1p ordinary

SWAP

Decreasing Long

900

55.5427 GBP

1p ordinary

SWAP

Decreasing Long

51

55.6351 GBP

1p ordinary

SWAP

Decreasing Long

73

55.6822 GBP

1p ordinary

SWAP

Decreasing Long

5,980

55.7000 GBP

1p ordinary

SWAP

Decreasing Long

380

55.7103 GBP

1p ordinary

SWAP

Decreasing Long

419

55.7106 GBP

1p ordinary

SWAP

Decreasing Long

374

55.7544 GBP

1p ordinary

SWAP

Decreasing Long

227

55.7762 GBP

1p ordinary

SWAP

Decreasing Long

248

55.7763 GBP

1p ordinary

SWAP

Decreasing Long

11

55.8022 GBP

1p ordinary

SWAP

Decreasing Long

455

55.8128 GBP

1p ordinary

SWAP

Decreasing Long

7

55.8286 GBP

1p ordinary

SWAP

Decreasing Long

116

55.8432 GBP

1p ordinary

SWAP

Decreasing Long

120

55.8541 GBP

1p ordinary

CFD

Decreasing Short

384

55.0708 GBP

1p ordinary

CFD

Decreasing Short

436

55.0814 GBP

1p ordinary

CFD

Decreasing Short

205

55.2741 GBP

1p ordinary

CFD

Increasing Short

366

54.9538 GBP

1p ordinary

CFD

Increasing Short

751

55.2894 GBP

1p ordinary

CFD

Increasing Short

411

55.3230 GBP

1p ordinary

CFD

Increasing Short

1,275

55.6324 GBP

1p ordinary

CFD

Increasing Short

73

55.7502 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:

21 May 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213