Harris Associates L.P. &#8211; Form 8.3 &#8211; Intertek Group PLC

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:	Harris Associates L.P.
(b) Owner or controller of interests and short positions disclosed, if different from 1(a): The naming of nominee or vehicle companies is insufficient. For a trust, the trustee(s), settlor and beneficiaries must be named.
(c) Name of offeror/offeree in relation to whose relevant securities this form relates: Use a separate form for each offeror/offeree	Intertek Group PLC
(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: For an opening position disclosure, state the latest practicable date prior to the disclosure	14 May 2026
(f) In addition to the company in 1(c) above, is the discloser making disclosures in respect of any other party to the offer? If it is a cash offer or possible cash offer, state “N/A”	NO

2.

POSITIONS OF THE PERSON MAKING THE DISCLOSURE

If there are positions or rights to subscribe to disclose in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 2(a) or (b) (as appropriate) for each additional class of relevant security.

(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:	2 688 628	1.75
(2) Cash-settled derivatives:
(3) Stock-settled derivatives (including options) and agreements to purchase/sell:
TOTAL:	2 688 628	1.75

All interests and all short positions should be disclosed.

Details of any open stock-settled derivative positions (including traded options), or agreements to purchase or sell relevant securities, should be given on a Supplemental Form

8 (Open Positions).

(b)

Rights to subscribe for new securities (including directors’ and other employee 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

Where there have been dealings in more than one class of relevant securities of the offeror or offeree named in 1(c), copy table 3(a), (b), (c) or (d) (as appropriate) for each additional class of relevant security dealt in.

The currency of all prices and other monetary amounts should be stated.

(a)

Purchases and sales

Class of relevant security	Purchase/sale	Number of securities	Price per unit
Ordinary Shares (GB0031638363)	Sale	318	56.3225
Ordinary Shares (GB0031638363)	Sale	621	56.3225
Ordinary Shares (GB0031638363)	Sale	4,016	56.3225
Ordinary Shares (GB0031638363)	Sale	20,458	56.3225
Ordinary Shares (GB0031638363)	Sale	182	56.3225
Ordinary Shares (GB0031638363)	Sale	70	56.3226
Ordinary Shares (GB0031638363)	Sale	29	56.4100
Ordinary Shares (GB0031638363)	Sale	86	56.4102
Ordinary Shares (GB0031638363)	Sale	144	56.4104
Ordinary Shares (GB0031638363)	Sale	300	56.4104
Ordinary Shares (GB0031638363)	Sale	466	56.4104
Ordinary Shares (GB0031638363)	Sale	228	56.4104
Ordinary Shares (GB0031638363)	Sale	430	56.4104
Ordinary Shares (GB0031638363)	Sale	606	56.4104
Ordinary Shares (GB0031638363)	Sale	252	56.4104
Ordinary Shares (GB0031638363)	Sale	403	56.4104
Ordinary Shares (GB0031638363)	Sale	602	56.4104
Ordinary Shares (GB0031638363)	Sale	953	56.4104
Ordinary Shares (GB0031638363)	Sale	852	56.4104
Ordinary Shares (GB0031638363)	Sale	6,736	56.4104
Ordinary Shares (GB0031638363)	Sale	64,988	56.4104
Ordinary Shares (GB0031638363)	Sale	899	56.4104
Ordinary Shares (GB0031638363)	Sale	3,693	56.4104
Ordinary Shares (GB0031638363)	Sale	3,500	56.4104
Ordinary Shares (GB0031638363)	Sale	618	56.4104
Ordinary Shares (GB0031638363)	Sale	638	56.4104
Ordinary Shares (GB0031638363)	Sale	245	56.4104
Ordinary Shares (GB0031638363)	Sale	462	56.4104
Ordinary Shares (GB0031638363)	Sale	312	56.4104
Ordinary Shares (GB0031638363)	Sale	263	56.4104
Ordinary Shares (GB0031638363)	Sale	286	56.4104
Ordinary Shares (GB0031638363)	Sale	300	56.4104
Ordinary Shares (GB0031638363)	Sale	137	56.4104
Ordinary Shares (GB0031638363)	Sale	108	56.4355
Ordinary Shares (GB0031638363)	Sale	75	56.4355
Ordinary Shares (GB0031638363)	Sale	62	56.4355
Ordinary Shares (GB0031638363)	Sale	306	56.4355
Ordinary Shares (GB0031638363)	Sale	122	56.4355
Ordinary Shares (GB0031638363)	Sale	919	56.4355
Ordinary Shares (GB0031638363)	Sale	171	56.4355
Ordinary Shares (GB0031638363)	Sale	4,964	56.4355
Ordinary Shares (GB0031638363)	Sale	300	56.43550
Ordinary Shares (GB0031638363)	Sale	318	56.4550
Ordinary Shares (GB0031638363)	Sale	134	56.4340
Ordinary Shares (GB0031638363)	Sale	54	56.4400
Ordinary Shares (GB0031638363)	Sale	3	56.4400
Ordinary Shares (GB0031638363)	Sale	77	56.4410
Ordinary Shares (GB0031638363)	Sale	500	56.4410
Ordinary Shares (GB0031638363)	Sale	306	56.4410
Ordinary Shares (GB0031638363)	Sale	700	56.4410
Ordinary Shares (GB0031638363)	Sale	263	56.4410
Ordinary Shares (GB0031638363)	Sale	293	56.4410
Ordinary Shares (GB0031638363)	Sale	606	56.4410
Ordinary Shares (GB0031638363)	Sale	272	56.4410
Ordinary Shares (GB0031638363)	Sale	1,400	56.4410
Ordinary Shares (GB0031638363)	Sale	1,668	56.4410
Ordinary Shares (GB0031638363)	Sale	401	56.4410
Ordinary Shares (GB0031638363)	Sale	591	56.4410
Ordinary Shares (GB0031638363)	Sale	3,733	56.4410
Ordinary Shares (GB0031638363)	Sale	4,183	56.4410
Ordinary Shares (GB0031638363)	Sale	2,281	56.4410
Ordinary Shares (GB0031638363)	Sale	92,528	56.4410
Ordinary Shares (GB0031638363)	Sale	8,298	56.4410
Ordinary Shares (GB0031638363)	Sale	1,139	56.4410
Ordinary Shares (GB0031638363)	Sale	17,988	56.4410
Ordinary Shares (GB0031638363)	Sale	2,546	56.4410
Ordinary Shares (GB0031638363)	Sale	2,214	56.4410
Ordinary Shares (GB0031638363)	Sale	1,443	56.4410
Ordinary Shares (GB0031638363)	Sale	378	56.4410
Ordinary Shares (GB0031638363)	Sale	507	56.4410
Ordinary Shares (GB0031638363)	Sale	318	56.4410
Ordinary Shares (GB0031638363)	Sale	288	56.4410
Ordinary Shares (GB0031638363)	Sale	1,429	56.4410
Ordinary Shares (GB0031638363)	Sale	275	56.4410
Ordinary Shares (GB0031638363)	Sale	196	56.4410
Ordinary Shares (GB0031638363)	Sale	166	56.4410
Ordinary Shares (GB0031638363)	Sale	78	56.4410
Ordinary Shares (GB0031638363)	Sale	200	56.4411
Ordinary Shares (GB0031638363)	Sale	45	56.4411
Ordinary Shares (GB0031638363)	Sale	8	56.4412
Ordinary Shares (GB0031638363)	Sale	89	56.4500
Ordinary Shares (GB0031638363)	Sale	200	56.4500
Ordinary Shares (GB0031638363)	Sale	500	56.4500
Ordinary Shares (GB0031638363)	Sale	512	56.4500
Ordinary Shares (GB0031638363)	Sale	1,683	56.4500
Ordinary Shares (GB0031638363)	Sale	2,350	56.4500
Ordinary Shares (GB0031638363)	Sale	11,246	56.4500
Ordinary Shares (GB0031638363)	Sale	238,880	56.4500
Ordinary Shares (GB0031638363)	Sale	31,219	56.4500
Ordinary Shares (GB0031638363)	Sale	11,800	56.4500
Ordinary Shares (GB0031638363)	Sale	6,100	56.4500
Ordinary Shares (GB0031638363)	Sale	5,880	56.4500
Ordinary Shares (GB0031638363)	Sale	2,328	56.4500
Ordinary Shares (GB0031638363)	Sale	506	56.4500
Ordinary Shares (GB0031638363)	Sale	1,500	56.4500
Ordinary Shares (GB0031638363)	Sale	200	56.4501
Ordinary Shares (GB0031638363)	Sale	7	56.4514
Ordinary Shares (GB0031638363)	Sale	439	56.7500
Ordinary Shares (GB0031638363)	Sale	500	56.7500
Ordinary Shares (GB0031638363)	Sale	874	56.7500
Ordinary Shares (GB0031638363)	Sale	1,000	56.7500
Ordinary Shares (GB0031638363)	Sale	1,075	56.7500
Ordinary Shares (GB0031638363)	Sale	1,200	56.7500
Ordinary Shares (GB0031638363)	Sale	19,857	56.7500
Ordinary Shares (GB0031638363)	Sale	105,309	56.7500
Ordinary Shares (GB0031638363)	Sale	6,300	56.7500
Ordinary Shares (GB0031638363)	Sale	4,800	56.7500
Ordinary Shares (GB0031638363)	Sale	2,209	56.7500
Ordinary Shares (GB0031638363)	Sale	838	56.7500
Ordinary Shares (GB0031638363)	Sale	439	56.7500
Ordinary Shares (GB0031638363)	Sale	420	56.7500
Ordinary Shares (GB0031638363)	Sale	267	56.7500
Ordinary Shares (GB0031638363)	Sale	248	56.7500
Ordinary Shares (GB0031638363)	Sale	217	56.7500

(b)

Cash-settled derivative transactions

Class of relevant security

Product description

e.g. CFD

Nature of dealing

e.g. opening/closing a long/short position, increasing/reducing a long/short position

Number of reference securities

Price per unit

(c)

Stock-settled derivative transactions (including options)

(i)

Writing, selling, purchasing or varying

Class of relevant security

Product description

e.g. call option

Writing, purchasing, selling, varying etc.

Number of securities to which option relates

Exercise price per unit

Type

e.g. American, European etc.

Expiry date

Option money paid/ received per unit

(ii)

Exercise

Class of relevant security

Product description

e.g. call option

Exercising/ exercised against

Number of securities

Exercise price per unit

(d)

Other dealings (including subscribing for new securities)

Class of relevant security

Nature of dealing

e.g. subscription, conversion

Details

Price per unit (if applicable)

4.

OTHER INFORMATION

(a)

Indemnity and other dealing 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 person making the disclosure and any party to the offer or any person acting in concert with a party to the offer:

Irrevocable commitments and letters of intent should not be included.

If there are no such agreements, arrangements or understandings, state “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 or future acquisition or disposal of any relevant securities to which any derivative is referenced:

If there are no such agreements, arrangements or understandings, state “none”

(c)

Attachments

Is a Supplemental Form 8 (Open Positions) attached?

Date of disclosure:	15 May 2026
Contact name:	Jacky Neri
Telephone number*:	+1 312 646 3228

Public disclosures under Rule 8 of the Code must be made to a Regulatory Information Service.

The Panel’s Market Surveillance Unit is available for consultation in relation to the Code’s disclosure requirements on +44 (0)20 7638 0129.

*If the discloser is a natural person, a telephone number does not need to be included, provided contact information has been provided to the Panel’s Market Surveillance Unit.

The Code can be viewed on the Panel’s website at

www.thetakeoverpanel.org.uk

.

Harris Associates L.P. – Form 8.3 – Intertek Group PLC

Date of disclosure:

Contact name:

Telephone number*:

Cision PR Newswire

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