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:

06 Aug 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:

3,993,993

2.59%

1,796,766

1.17%

(2)

Cash-settled derivatives:

and/or controlled:

1,804,308

1.17%

3,584,278

2.33%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

5,798,301

3.77%

5,381,044

3.50%

(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

210,179

58.4119 GBP

58.3500 GBP

1p ordinary

Sale

363,524

58.4500 GBP

58.3471 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

Decreasing Long

131

58.3938 GBP

1p ordinary

SWAP

Opening Long

1,487

58.4000 GBP

1p ordinary

SWAP

Decreasing Short

272

58.3961 GBP

1p ordinary

SWAP

Increasing Long

261,695

58.4000 GBP

1p ordinary

SWAP

Opening Short

3,358

58.4029 GBP

1p ordinary

SWAP

Decreasing Short

938

58.3970 GBP

1p ordinary

SWAP

Increasing Short

17,632

58.3945 GBP

1p ordinary

CFD

Increasing Short

622

58.4376 GBP

1p ordinary

CFD

Increasing Short

32

58.4040 GBP

1p ordinary

SWAP

Decreasing Short

1

58.3482 GBP

1p ordinary

SWAP

Increasing Short

22,139

58.4000 GBP

1p ordinary

SWAP

Decreasing Short

180

58.3961 GBP

1p ordinary

SWAP

Closing Long

6,794

58.4000 GBP

1p ordinary

SWAP

Closing Long

6,670

58.4000 GBP

1p ordinary

SWAP

Closing Long

6,663

58.4000 GBP

1p ordinary

SWAP

Closing Long

6,646

58.4000 GBP

1p ordinary

SWAP

Opening Long

6,646

58.4000 GBP

1p ordinary

SWAP

Opening Long

6,663

58.4000 GBP

1p ordinary

SWAP

Opening Long

6,670

58.4000 GBP

1p ordinary

SWAP

Opening Long

6,794

58.4000 GBP

1p ordinary

SWAP

Decreasing Long

552

58.3997 GBP

1p ordinary

SWAP

Decreasing Short

1

58.3691 GBP

1p ordinary

SWAP

Decreasing Long

7,260

58.4038 GBP

1p ordinary

SWAP

Increasing Short

4,418

58.3897 GBP

1p ordinary

SWAP

Increasing Short

325

58.4000 GBP

1p ordinary

SWAP

Increasing Short

40,852

58.4000 GBP

1p ordinary

SWAP

Decreasing Short

3

58.3467 GBP

1p ordinary

SWAP

Decreasing Long

1,344

58.3907 GBP

1p ordinary

SWAP

Decreasing Short

4

58.3467 GBP

1p ordinary

SWAP

Decreasing Long

149

58.4000 GBP

1p ordinary

SWAP

Increasing Short

662

58.3946 GBP

1p ordinary

SWAP

Decreasing Short

219

58.4000 GBP

1p ordinary

SWAP

Increasing Long

79

58.3750 GBP

1p ordinary

SWAP

Increasing Short

9,933

58.4000 GBP

1p ordinary

SWAP

Decreasing Long

540

58.4000 GBP

1p ordinary

SWAP

Decreasing Short

26,176

58.4000 GBP

1p ordinary

SWAP

Decreasing Long

10,838

58.3915 GBP

1p ordinary

SWAP

Decreasing Short

67,036

58.4000 GBP

1p ordinary

SWAP

Increasing Long

73

58.4000 GBP

1p ordinary

SWAP

Increasing Short

59,000

58.3889 GBP

1p ordinary

SWAP

Increasing Long

285

58.3500 GBP

1p ordinary

SWAP

Increasing Short

6,541

58.3924 GBP

1p ordinary

SWAP

Decreasing Long

2,466

58.3993 GBP

1p ordinary

SWAP

Decreasing Long

16,290

58.3946 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:

07 Aug 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213