Form 8.3 TREATT 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:

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

TREATT 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:

10 Jun 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:

2p ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

663,481

1.12%

52,220

0.09%

(2)

Cash-settled derivatives:

42,530

0.07%

640,182

1.08%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

706,011

1.20%

692,402

1.17%

(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

2p ordinary

Purchase

35,627

3.0250 GBP

2p ordinary

Purchase

8,403

3.0315 GBP

2p ordinary

Purchase

6,656

3.0300 GBP

2p ordinary

Purchase

4,877

3.0270 GBP

2p ordinary

Purchase

433

3.0351 GBP

2p ordinary

Purchase

424

3.0312 GBP

2p ordinary

Purchase

400

3.0400 GBP

2p ordinary

Purchase

147

3.0200 GBP

2p ordinary

Purchase

83

3.0350 GBP

2p ordinary

Sale

100,689

3.0250 GBP

2p ordinary

Sale

6,322

3.0268 GBP

2p ordinary

Sale

5,012

3.0259 GBP

2p ordinary

Sale

1,166

3.0283 GBP

2p ordinary

Sale

650

3.0328 GBP

2p ordinary

Sale

633

3.0314 GBP

2p ordinary

Sale

594

3.0360 GBP

2p ordinary

Sale

433

3.0351 GBP

2p ordinary

Sale

139

3.0300 GBP

2p ordinary

Sale

22

3.0356 GBP

2p ordinary

Sale

7

3.0350 GBP

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

2p ordinary

SWAP

Increasing Short

33

3.0400 GBP

2p ordinary

SWAP

Decreasing Short

357

3.0284 GBP

2p ordinary

SWAP

Decreasing Short

327

3.0341 GBP

2p ordinary

SWAP

Increasing Short

5,429

3.0310 GBP

2p ordinary

SWAP

Increasing Short

958

3.0338 GBP

2p ordinary

SWAP

Decreasing Short

11

3.0313 GBP

2p ordinary

SWAP

Decreasing Short

32

3.0323 GBP

2p ordinary

CFD

Closing Short

1,088

3.0279 GBP

2p ordinary

CFD

Opening Long

311

3.0279 GBP

2p ordinary

CFD

Increasing Short

2,058

3.0351 GBP

2p ordinary

CFD

Decreasing Short

5,012

3.0259 GBP

2p ordinary

CFD

Increasing Short

4,877

3.0270 GBP

2p ordinary

SWAP

Decreasing Short

344

3.0280 GBP

2p ordinary

SWAP

Decreasing Short

30

3.0309 GBP

2p ordinary

SWAP

Increasing Short

424

3.0312 GBP

2p ordinary

SWAP

Increasing Short

1,957

3.0300 GBP

2p ordinary

SWAP

Increasing Short

746

3.0300 GBP

2p ordinary

CFD

Decreasing Short

748

3.0298 GBP

2p ordinary

CFD

Decreasing Short

650

3.0328 GBP

2p ordinary

CFD

Increasing Short

147

3.0200 GBP

2p ordinary

SWAP

Decreasing Short

603

3.0272 GBP

2p ordinary

SWAP

Decreasing Short

39

3.0252 GBP

2p ordinary

SWAP

Decreasing Short

792

3.0284 GBP

2p ordinary

CFD

Decreasing Short

41,313

3.0250 GBP

2p ordinary

CFD

Decreasing Short

594

3.0360 GBP

2p ordinary

SWAP

Decreasing Short

1,335

3.0270 GBP

2p ordinary

CFD

Closing Short

15,589

3.0250 GBP

2p ordinary

CFD

Opening Long

8,683

3.0250 GBP

2p ordinary

CFD

Increasing Short

3,953

3.0300 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:

11 Jun 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213