Form 8.3 WOOD GROUP (JOHN) 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

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:

30 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:

7,079,997

1.02%

20,128,470

2.91%

(2)

Cash-settled derivatives:

20,126,749

2.91%

6,998,360

1.01%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

27,206,746

3.93%

27,126,830

3.92%

(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

558,424

0.2349 GBP

4 2/7 p ordinary

Purchase

257,934

0.2348 GBP

4 2/7 p ordinary

Purchase

191,450

0.2350 GBP

4 2/7 p ordinary

Purchase

147,894

0.2351 GBP

4 2/7 p ordinary

Purchase

101,809

0.2353 GBP

4 2/7 p ordinary

Purchase

66,317

0.2340 GBP

4 2/7 p ordinary

Purchase

54,601

0.2334 GBP

4 2/7 p ordinary

Purchase

44,074

0.2347 GBP

4 2/7 p ordinary

Purchase

43,075

0.2335 GBP

4 2/7 p ordinary

Purchase

22,928

0.2338 GBP

4 2/7 p ordinary

Purchase

19,644

0.2345 GBP

4 2/7 p ordinary

Purchase

17,605

0.2346 GBP

4 2/7 p ordinary

Purchase

16,581

0.2341 GBP

4 2/7 p ordinary

Purchase

7,948

0.2342 GBP

4 2/7 p ordinary

Purchase

7,709

0.2344 GBP

4 2/7 p ordinary

Purchase

648

0.2352 GBP

4 2/7 p ordinary

Purchase

495

0.2356 GBP

4 2/7 p ordinary

Purchase

282

0.2362 GBP

4 2/7 p ordinary

Purchase

99

0.2358 GBP

4 2/7 p ordinary

Purchase

37

0.2360 GBP

4 2/7 p ordinary

Sale

803,144

0.2348 GBP

4 2/7 p ordinary

Sale

156,833

0.2353 GBP

4 2/7 p ordinary

Sale

150,492

0.2350 GBP

4 2/7 p ordinary

Sale

147,876

0.2343 GBP

4 2/7 p ordinary

Sale

111,609

0.2359 GBP

4 2/7 p ordinary

Sale

92,870

0.2345 GBP

4 2/7 p ordinary

Sale

77,659

0.2354 GBP

4 2/7 p ordinary

Sale

50,164

0.2361 GBP

4 2/7 p ordinary

Sale

16,258

0.2342 GBP

4 2/7 p ordinary

Sale

13,375

0.2341 GBP

4 2/7 p ordinary

Sale

12,991

0.2338 GBP

4 2/7 p ordinary

Sale

11,125

0.2340 GBP

4 2/7 p ordinary

Sale

8,525

0.2336 GBP

4 2/7 p ordinary

Sale

3,545

0.2344 GBP

4 2/7 p ordinary

Sale

2,700

0.2346 GBP

4 2/7 p ordinary

Sale

796

0.2339 GBP

4 2/7 p ordinary

Sale

648

0.2352 GBP

4 2/7 p ordinary

Sale

495

0.2356 GBP

4 2/7 p ordinary

Sale

282

0.2362 GBP

4 2/7 p ordinary

Sale

99

0.2358 GBP

4 2/7 p ordinary

Sale

37

0.2360 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

6,796

0.2339 GBP

4 2/7 p ordinary

SWAP

Increasing Long

9,102

0.2340 GBP

4 2/7 p ordinary

SWAP

Increasing Long

104,608

0.2343 GBP

4 2/7 p ordinary

SWAP

Increasing Long

7,934

0.2348 GBP

4 2/7 p ordinary

SWAP

Increasing Long

42,214

0.2350 GBP

4 2/7 p ordinary

SWAP

Increasing Long

98,298

0.2359 GBP

4 2/7 p ordinary

SWAP

Increasing Long

50,164

0.2361 GBP

4 2/7 p ordinary

SWAP

Decreasing Long

6,713

0.2344 GBP

4 2/7 p ordinary

SWAP

Decreasing Long

44,074

0.2347 GBP

4 2/7 p ordinary

SWAP

Decreasing Long

45,640

0.2348 GBP

4 2/7 p ordinary

SWAP

Decreasing Long

132,356

0.2350 GBP

4 2/7 p ordinary

SWAP

Decreasing Long

15,538

0.2360 GBP

4 2/7 p ordinary

CFD

Increasing Long

66,741

0.2348 GBP

4 2/7 p ordinary

CFD

Increasing Long

33,280

0.2350 GBP

4 2/7 p ordinary

CFD

Increasing Long

156,833

0.2353 GBP

4 2/7 p ordinary

CFD

Increasing Long

77,659

0.2354 GBP

4 2/7 p ordinary

CFD

Decreasing Long

54,601

0.2334 GBP

4 2/7 p ordinary

CFD

Decreasing Long

43,075

0.2335 GBP

4 2/7 p ordinary

CFD

Decreasing Long

33,690

0.2346 GBP

4 2/7 p ordinary

CFD

Decreasing Long

69,852

0.2350 GBP

4 2/7 p ordinary

CFD

Decreasing Long

101,809

0.2353 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:

31 Dec 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213