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:

08 Sep 2025

(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:

513,806

0.87%

487,261

0.83%

(2)

Cash-settled derivatives:

286,374

0.49%

463,806

0.79%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

800,180

1.36%

951,067

1.61%

(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

258,509

2.6324 GBP

2p ordinary

Purchase

178,184

2.6432 GBP

2p ordinary

Purchase

173,398

2.6429 GBP

2p ordinary

Purchase

49,958

2.6313 GBP

2p ordinary

Purchase

47,640

2.6368 GBP

2p ordinary

Purchase

39,300

2.6511 GBP

2p ordinary

Purchase

37,627

2.6443 GBP

2p ordinary

Purchase

30,931

2.6264 GBP

2p ordinary

Purchase

25,242

2.6470 GBP

2p ordinary

Purchase

12,439

2.6379 GBP

2p ordinary

Purchase

11,721

2.6442 GBP

2p ordinary

Purchase

10,269

2.6325 GBP

2p ordinary

Purchase

10,044

2.6400 GBP

2p ordinary

Purchase

7,922

2.6549 GBP

2p ordinary

Purchase

7,564

2.6450 GBP

2p ordinary

Purchase

5,219

2.6500 GBP

2p ordinary

Purchase

4,509

2.6418 GBP

2p ordinary

Purchase

4,111

2.6412 GBP

2p ordinary

Purchase

2,662

2.6444 GBP

2p ordinary

Purchase

1,463

2.6393 GBP

2p ordinary

Purchase

1,298

2.6265 GBP

2p ordinary

Purchase

1,138

2.6425 GBP

2p ordinary

Purchase

1,100

2.6422 GBP

2p ordinary

Purchase

399

2.6600 GBP

2p ordinary

Sale

280,000

2.6473 GBP

2p ordinary

Sale

246,229

2.6343 GBP

2p ordinary

Sale

154,412

2.6306 GBP

2p ordinary

Sale

63,101

2.6500 GBP

2p ordinary

Sale

26,398

2.6450 GBP

2p ordinary

Sale

19,604

2.6328 GBP

2p ordinary

Sale

12,826

2.6302 GBP

2p ordinary

Sale

11,367

2.6314 GBP

2p ordinary

Sale

11,274

2.7347 GBP

2p ordinary

Sale

10,269

2.6325 GBP

2p ordinary

Sale

7,500

2.6310 GBP

2p ordinary

Sale

2,022

2.6400 GBP

2p ordinary

Sale

1,848

2.6427 GBP

2p ordinary

Sale

1,104

2.6399 GBP

2p ordinary

Sale

1,047

2.6367 GBP

2p ordinary

Sale

952

2.6503 GBP

2p ordinary

Sale

416

2.6459 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

Opening Long

1,104

2.6399 GBP

2p ordinary

SWAP

Increasing Long

1,848

2.6427 GBP

2p ordinary

SWAP

Increasing Long

44,866

2.6500 GBP

2p ordinary

SWAP

Increasing Long

193

2.6519 GBP

2p ordinary

SWAP

Decreasing Long

5,151

2.6363 GBP

2p ordinary

SWAP

Opening Short

83,240

2.6407 GBP

2p ordinary

SWAP

Increasing Short

31,947

2.6429 GBP

2p ordinary

SWAP

Increasing Short

140

2.6452 GBP

2p ordinary

SWAP

Increasing Short

20,000

2.6482 GBP

2p ordinary

SWAP

Increasing Short

43,426

2.6484 GBP

2p ordinary

SWAP

Increasing Short

1,702

2.6501 GBP

2p ordinary

CFD

Opening Long

863

2.6449 GBP

2p ordinary

CFD

Increasing Long

19,154

2.6450 GBP

2p ordinary

CFD

Increasing Long

11,274

2.7347 GBP

2p ordinary

CFD

Decreasing Long

10,883

2.6421 GBP

2p ordinary

CFD

Opening Short

37,627

2.6443 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:

09 Sep 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213