Form 8.3 STHREE 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 .

(b)

Owner or controller of interest and short

positions disclosed, if different from 1(a):

(c)

Name of offeror/offeree in relation to whose

SThree 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:

13 Oct 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:

1p Ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

3,807,590

3.13%

456,239

0.38%

(2)

Cash-settled derivatives:

445,351

0.37%

3,808,305

3.13%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

Total Fina Elf :

4,252,941

3.50%

4,264,544

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 PERSON MAKING THE DISCLOSURE

(a)

Purchases and sales

Class of relevant

Purchase/sale

Number of

Price per unit

security

securities

1p Ordinary

Purchase

115,880

3.1100  GBP

1p Ordinary

Purchase

15,885

3.1096  GBP

1p Ordinary

Purchase

5,147

3.0801  GBP

1p Ordinary

Purchase

4,539

3.1103  GBP

1p Ordinary

Purchase

3,420

3.0608  GBP

1p Ordinary

Purchase

2,129

3.0803  GBP

1p Ordinary

Purchase

2,044

3.0767  GBP

1p Ordinary

Purchase

1,654

3.0615  GBP

1p Ordinary

Purchase

1,450

3.0987  GBP

1p Ordinary

Purchase

1,193

3.0650  GBP

1p Ordinary

Purchase

1,149

3.0950  GBP

1p Ordinary

Purchase

1,088

3.0969  GBP

1p Ordinary

Purchase

1,004

3.0951  GBP

1p Ordinary

Purchase

758

3.0963  GBP

1p Ordinary

Purchase

738

3.0626  GBP

1p Ordinary

Purchase

709

3.0500  GBP

1p Ordinary

Purchase

554

3.0602  GBP

1p Ordinary

Purchase

424

3.0633  GBP

1p Ordinary

Purchase

409

3.1050  GBP

1p Ordinary

Purchase

406

3.1149  GBP

1p Ordinary

Purchase

383

3.0550  GBP

1p Ordinary

Purchase

352

3.0750  GBP

1p Ordinary

Purchase

279

3.0975  GBP

1p Ordinary

Purchase

18

3.1093  GBP

1p Ordinary

Purchase

2

3.0525  GBP

1p Ordinary

Sale

95,931

3.1150  GBP

1p Ordinary

Sale

32,555

3.0959  GBP

1p Ordinary

Sale

16,291

3.0809  GBP

1p Ordinary

Sale

10,217

3.0965  GBP

1p Ordinary

Sale

9,712

3.1100  GBP

1p Ordinary

Sale

5,276

3.0886  GBP

1p Ordinary

Sale

5,014

3.0467  GBP

1p Ordinary

Sale

4,831

3.1014  GBP

1p Ordinary

Sale

1,333

3.0624  GBP

1p Ordinary

Sale

1,000

3.1050  GBP

1p Ordinary

Sale

758

3.0964  GBP

1p Ordinary

Sale

450

3.0850  GBP

1p Ordinary

Sale

279

3.0978  GBP

1p Ordinary

Sale

236

3.0956  GBP

1p Ordinary

Sale

2

3.0525  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

32,555

3.0959  GBP

1p Ordinary

SWAP

Decreasing Short

539

3.0889  GBP

1p Ordinary

SWAP

Decreasing Short

187

3.1028  GBP

1p Ordinary

SWAP

Decreasing Short

2,076

3.0735  GBP

1p Ordinary

SWAP

Decreasing Short

14

3.1200  GBP

1p Ordinary

SWAP

Increasing Long

917

3.1050  GBP

1p Ordinary

SWAP

Increasing Long

2,676

3.1098  GBP

1p Ordinary

SWAP

Increasing Short

3,505

3.1100  GBP

1p Ordinary

CFD

Decreasing Long

906

3.0997  GBP

1p Ordinary

CFD

Increasing Short

1,335

3.1103  GBP

1p Ordinary

SWAP

Increasing Long

5,014

3.0467  GBP

1p Ordinary

SWAP

Increasing Short

512

3.1050  GBP

1p Ordinary

SWAP

Decreasing Short

2

3.0525  GBP

1p Ordinary

SWAP

Decreasing Long

3,069

3.1100  GBP

1p Ordinary

SWAP

Increasing Long

8,053

3.0960  GBP

1p Ordinary

SWAP

Decreasing Short

362

3.1100  GBP

1p Ordinary

SWAP

Increasing Short

7,307

3.1100  GBP

1p Ordinary

SWAP

Increasing Long

5,989

3.1100  GBP

1p Ordinary

SWAP

Decreasing Long

731

3.1046  GBP

1p Ordinary

SWAP

Decreasing Long

16,361

3.1100  GBP

1p Ordinary

SWAP

Closing Long

1,889

3.1100  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:

14 Oct 2026

Contact Name :

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213