Wood Group (J) Regulatory News (WG.)

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

WOOD GROUP (JOHN) 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:

18 Dec 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:

4 2/7 p ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

7,396,145

1.07%

19,479,437

2.82%

(2)

Cash-settled derivatives:

19,440,269

2.81%

7,314,508

1.06%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

26,836,414

3.88%

26,793,945

3.87%

(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

4 2/7 p ordinary

Purchase

377,666

0.2400 GBP

4 2/7 p ordinary

Purchase

294,803

0.2394 GBP

4 2/7 p ordinary

Purchase

201,244

0.2376 GBP

4 2/7 p ordinary

Purchase

185,580

0.2381 GBP

4 2/7 p ordinary

Purchase

80,845

0.2378 GBP

4 2/7 p ordinary

Purchase

73,981

0.2373 GBP

4 2/7 p ordinary

Purchase

71,012

0.2371 GBP

4 2/7 p ordinary

Purchase

69,260

0.2366 GBP

4 2/7 p ordinary

Purchase

23,374

0.2368 GBP

4 2/7 p ordinary

Purchase

21,000

0.2372 GBP

4 2/7 p ordinary

Purchase

18,030

0.2382 GBP

4 2/7 p ordinary

Purchase

16,590

0.2386 GBP

4 2/7 p ordinary

Purchase

9,041

0.2388 GBP

4 2/7 p ordinary

Purchase

340

0.2365 GBP

4 2/7 p ordinary

Sale

346,994

0.2376 GBP

4 2/7 p ordinary

Sale

266,550

0.2371 GBP

4 2/7 p ordinary

Sale

263,303

0.2400 GBP

4 2/7 p ordinary

Sale

84,847

0.2382 GBP

4 2/7 p ordinary

Sale

82,999

0.2394 GBP

4 2/7 p ordinary

Sale

75,358

0.2378 GBP

4 2/7 p ordinary

Sale

53,555

0.2366 GBP

4 2/7 p ordinary

Sale

49,319

0.2377 GBP

4 2/7 p ordinary

Sale

25,000

0.2406 GBP

4 2/7 p ordinary

Sale

21,000

0.2372 GBP

4 2/7 p ordinary

Sale

20,864

0.2367 GBP

4 2/7 p ordinary

Sale

6,940

0.2385 GBP

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

4 2/7 p ordinary

SWAP

Increasing Long

49,319

0.2377 GBP

4 2/7 p ordinary

SWAP

Increasing Long

75,358

0.2378 GBP

4 2/7 p ordinary

SWAP

Increasing Long

77,256

0.2382 GBP

4 2/7 p ordinary

SWAP

Increasing Long

8,234

0.2400 GBP

4 2/7 p ordinary

SWAP

Increasing Long

1,199

0.2440 GBP

4 2/7 p ordinary

SWAP

Decreasing Long

340

0.2366 GBP

4 2/7 p ordinary

SWAP

Decreasing Long

185,580

0.2381 GBP

4 2/7 p ordinary

SWAP

Decreasing Long

10,748

0.2386 GBP

4 2/7 p ordinary

CFD

Increasing Long

20,864

0.2367 GBP

4 2/7 p ordinary

CFD

Increasing Long

266,550

0.2371 GBP

4 2/7 p ordinary

CFD

Increasing Long

21,000

0.2372 GBP

4 2/7 p ordinary

CFD

Increasing Long

5,741

0.2373 GBP

4 2/7 p ordinary

CFD

Increasing Long

953

0.2400 GBP

4 2/7 p ordinary

CFD

Decreasing Long

14,073

0.2366 GBP

4 2/7 p ordinary

CFD

Decreasing Long

23,374

0.2367 GBP

4 2/7 p ordinary

CFD

Decreasing Long

71,012

0.2371 GBP

4 2/7 p ordinary

CFD

Decreasing Long

53,948

0.2376 GBP

4 2/7 p ordinary

CFD

Decreasing Long

1,632

0.2388 GBP

4 2/7 p ordinary

CFD

Decreasing Long

211,804

0.2394 GBP

4 2/7 p ordinary

CFD

Decreasing Long

100,000

0.2400 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:

19 Dec 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213