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:

23 Jun 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:

2,493,501

1.62%

3,460,740

2.25%

(2)

Cash-settled derivatives:

and/or controlled:

2,763,841

1.80%

2,014,563

1.31%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

5,257,342

3.42%

5,475,303

3.56%

(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

202,482

58.0862 GBP

57.9991 GBP

1p ordinary

Sale

137,561

58.1390 GBP

58.0000 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

200

58.0459 GBP

1p ordinary

SWAP

Closing Long

2,896

58.0616 GBP

1p ordinary

SWAP

Increasing Short

2

58.0523 GBP

1p ordinary

SWAP

Increasing Long

10,237

58.0168 GBP

1p ordinary

SWAP

Decreasing Long

13,124

58.0408 GBP

1p ordinary

CFD

Decreasing Short

200

58.0448 GBP

1p ordinary

CFD

Decreasing Long

3,476

58.0517 GBP

1p ordinary

CFD

Decreasing Long

323

58.0534 GBP

1p ordinary

CFD

Decreasing Long

2,377

58.0517 GBP

1p ordinary

SWAP

Decreasing Short

400

57.9953 GBP

1p ordinary

SWAP

Decreasing Short

3,212

58.0159 GBP

1p ordinary

SWAP

Decreasing Short

281

58.1398 GBP

1p ordinary

SWAP

Decreasing Short

11,301

58.0234 GBP

1p ordinary

SWAP

Decreasing Long

80

58.0399 GBP

1p ordinary

SWAP

Opening Long

7,619

58.0400 GBP

1p ordinary

SWAP

Decreasing Long

214

58.0000 GBP

1p ordinary

SWAP

Decreasing Long

4,526

58.0443 GBP

1p ordinary

SWAP

Closing Short

855

58.0355 GBP

1p ordinary

SWAP

Decreasing Short

7,020

58.0476 GBP

1p ordinary

SWAP

Closing Long

78

58.0427 GBP

1p ordinary

SWAP

Decreasing Long

888

58.0681 GBP

1p ordinary

SWAP

Decreasing Long

1,472

58.0250 GBP

1p ordinary

SWAP

Increasing Long

312

58.0121 GBP

1p ordinary

SWAP

Decreasing Long

56

58.0250 GBP

1p ordinary

SWAP

Decreasing Long

5,050

58.0506 GBP

1p ordinary

SWAP

Increasing Long

15

58.0500 GBP

1p ordinary

SWAP

Decreasing Long

1,651

58.0328 GBP

1p ordinary

SWAP

Decreasing Long

40,000

58.0290 GBP

1p ordinary

SWAP

Decreasing Long

1

58.0000 GBP

1p ordinary

SWAP

Decreasing Long

4,826

58.0500 GBP

1p ordinary

SWAP

Increasing Long

4,376

58.0496 GBP

1p ordinary

SWAP

Decreasing Long

200

58.0500 GBP

1p ordinary

SWAP

Increasing Long

5

58.0500 GBP

1p ordinary

SWAP

Increasing Long

5,226

58.0500 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:

24 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213