Form 8.5 EPT/Non RI INTERTEK GROUP PLC

FORM 8.5 (EPT/NON-RI)

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY AN

EXEMPT PRINCIPAL TRADER WITHOUT RECOGNISED INTERMEDIARY ("RI") STATUS

(OR WHERE RI STATUS IS NOT APPLICABLE)

Rule 8.5 of the Takeover Code (the "Code")

1.

KEY INFORMATION

(a)

Name of exempt principal trader:

BARCLAYS CAPITAL SECURITIES LTD

(b)

Name of offeror/offeree in relation to whose

INTERTEK GROUP PLC

relevant securities this form relates:

(c)

Name of the party to the offer with which exempt

ISOTOPE BIDCO LIMITED (A NEWLY FORMED COMPANY TO BE INDIRECTLY OWNED BY EQT X EUR SCSP AND EQT X USD SCSP, EACH ACTING THROUGH ITS MANAGER EQT FUND MANAGEMENT S.A.R.L., TOGETHER WITH CERTAIN INDIRECT MINORITY SHAREHOLDERS INCLUDING, AMONG OTHERS, LUXINVA AND MUBADALA)

principal trader is connected

(d)

Date position held/dealing undertaken:

17 Sep 2026

(e)

In addition to the company in 1(b) above, is the exempt principal

NO

trader making disclosures in respect of any other party to the offer?

2.

POSITIONS OF THE EXEMPT PRINCIPAL TRADER

(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:

6,255,199

4.06%

1,088,454

0.71%

(2)

Cash-settled derivatives:

and/or controlled:

1,103,944

0.72%

5,921,909

3.85%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

7,359,143

4.78%

7,010,363

4.55%

(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 EXEMPT PRINCIPAL TRADER

(a)

Purchases and sales

Class of relevant

Purchase/sale

Total number of

Highest price per unit

Lowest price per unit

security

securities

paid/received

paid/received

1p ordinary

Purchase

606,765

58.8000 GBP

58.4000 GBP

1p ordinary

Sale

324,710

58.7572 GBP

58.4000 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

Opening Short

16

58.5505 GBP

1p ordinary

SWAP

Increasing Short

66

58.5505 GBP

1p ordinary

SWAP

Decreasing Long

120

58.5369 GBP

1p ordinary

SWAP

Decreasing Short

232

58.6991 GBP

1p ordinary

SWAP

Decreasing Long

782

58.5976 GBP

1p ordinary

SWAP

Increasing Short

15,203

58.6113 GBP

1p ordinary

SWAP

Decreasing Short

199

58.4721 GBP

1p ordinary

CFD

Closing Long

2,347

58.4052 GBP

1p ordinary

CFD

Opening Short

11,719

58.4052 GBP

1p ordinary

CFD

Decreasing Long

434

58.7243 GBP

1p ordinary

CFD

Decreasing Short

73,097

58.5207 GBP

1p ordinary

CFD

Decreasing Short

126,903

58.5207 GBP

1p ordinary

SWAP

Increasing Short

1,461

58.4712 GBP

1p ordinary

SWAP

Increasing Long

43

58.7488 GBP

1p ordinary

SWAP

Decreasing Long

3,185

58.5998 GBP

1p ordinary

SWAP

Decreasing Long

2,782

58.5777 GBP

1p ordinary

SWAP

Increasing Short

4,007

58.4000 GBP

1p ordinary

SWAP

Decreasing Long

2,777

58.4139 GBP

1p ordinary

SWAP

Decreasing Short

1,460

58.6294 GBP

1p ordinary

SWAP

Increasing Short

477

58.8000 GBP

1p ordinary

CFD

Increasing Long

400

58.5904 GBP

1p ordinary

SWAP

Decreasing Short

25,000

58.6885 GBP

1p ordinary

SWAP

Decreasing Long

23

58.5491 GBP

1p ordinary

SWAP

Decreasing Long

827

58.4008 GBP

1p ordinary

SWAP

Decreasing Long

556

58.7382 GBP

1p ordinary

SWAP

Decreasing Short

11,112

58.4000 GBP

1p ordinary

SWAP

Decreasing Short

68

58.7000 GBP

1p ordinary

SWAP

Decreasing Short

3,089

58.6882 GBP

1p ordinary

SWAP

Decreasing Long

8

58.4261 GBP

1p ordinary

SWAP

Decreasing Long

38

58.7388 GBP

1p ordinary

SWAP

Closing Short

6,954

58.4452 GBP

1p ordinary

SWAP

Increasing Short

20,176

58.4000 GBP

1p ordinary

SWAP

Decreasing Short

9,447

58.6882 GBP

1p ordinary

SWAP

Increasing Long

67

58.6548 GBP

1p ordinary

SWAP

Increasing Short

37

58.4000 GBP

1p ordinary

SWAP

Decreasing Short

4,441

58.6882 GBP

1p ordinary

SWAP

Increasing Long

66

58.6977 GBP

1p ordinary

SWAP

Increasing Short

2,273

58.7000 GBP

1p ordinary

SWAP

Increasing Long

557

58.6599 GBP

1p ordinary

SWAP

Increasing Short

29,440

58.6293 GBP

1p ordinary

SWAP

Increasing Long

68

58.7147 GBP

1p ordinary

SWAP

Increasing Short

400,000

58.6042 GBP

1p ordinary

SWAP

Increasing Long

66

58.7106 GBP

1p ordinary

SWAP

Increasing Short

1,310

58.6004 GBP

1p ordinary

SWAP

Decreasing Long

13,865

58.6284 GBP

1p ordinary

SWAP

Increasing Long

52

58.5750 GBP

1p ordinary

SWAP

Decreasing Long

14

58.4000 GBP

1p ordinary

SWAP

Increasing Long

20

58.4000 GBP

1p ordinary

SWAP

Decreasing Long

4,565

58.6292 GBP

1p ordinary

SWAP

Decreasing Long

6,167

58.6239 GBP

1p ordinary

SWAP

Increasing Long

12

58.5500 GBP

1p ordinary

SWAP

Increasing Long

1,297

58.4000 GBP

1p ordinary

SWAP

Decreasing Long

37,947

58.6170 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)

Exercising

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 exempt principal trader 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 Sep 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213