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:

05 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:

5,695,594

0.82%

18,436,225

2.66%

(2)

Cash-settled derivatives:

18,338,887

2.65%

5,562,070

0.80%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

24,034,481

3.47%

23,998,295

3.47%

(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

902,579

0.2370 GBP

4 2/7 p ordinary

Purchase

751,222

0.2456 GBP

4 2/7 p ordinary

Purchase

499,054

0.2400 GBP

4 2/7 p ordinary

Purchase

419,253

0.2406 GBP

4 2/7 p ordinary

Purchase

334,327

0.2407 GBP

4 2/7 p ordinary

Purchase

216,718

0.2424 GBP

4 2/7 p ordinary

Purchase

178,707

0.2422 GBP

4 2/7 p ordinary

Purchase

151,076

0.2441 GBP

4 2/7 p ordinary

Purchase

116,661

0.2420 GBP

4 2/7 p ordinary

Purchase

113,720

0.2412 GBP

4 2/7 p ordinary

Purchase

53,383

0.2477 GBP

4 2/7 p ordinary

Purchase

38,523

0.2430 GBP

4 2/7 p ordinary

Purchase

27,128

0.2451 GBP

4 2/7 p ordinary

Purchase

26,238

0.2476 GBP

4 2/7 p ordinary

Purchase

20,448

0.2417 GBP

4 2/7 p ordinary

Purchase

15,336

0.2396 GBP

4 2/7 p ordinary

Purchase

6,637

0.2390 GBP

4 2/7 p ordinary

Purchase

6,014

0.2404 GBP

4 2/7 p ordinary

Purchase

5,930

0.2421 GBP

4 2/7 p ordinary

Purchase

5,907

0.2405 GBP

4 2/7 p ordinary

Purchase

5,780

0.2411 GBP

4 2/7 p ordinary

Purchase

3,776

0.2395 GBP

4 2/7 p ordinary

Purchase

2,202

0.2432 GBP

4 2/7 p ordinary

Purchase

451

0.2444 GBP

4 2/7 p ordinary

Purchase

122

0.2408 GBP

4 2/7 p ordinary

Purchase

120

0.2414 GBP

4 2/7 p ordinary

Purchase

120

0.2446 GBP

4 2/7 p ordinary

Purchase

119

0.2418 GBP

4 2/7 p ordinary

Purchase

118

0.2391 GBP

4 2/7 p ordinary

Purchase

112

0.2410 GBP

4 2/7 p ordinary

Purchase

112

0.2392 GBP

4 2/7 p ordinary

Purchase

112

0.2402 GBP

4 2/7 p ordinary

Purchase

112

0.2398 GBP

4 2/7 p ordinary

Purchase

98

0.2478 GBP

4 2/7 p ordinary

Purchase

61

0.2388 GBP

4 2/7 p ordinary

Purchase

59

0.2442 GBP

4 2/7 p ordinary

Purchase

33

0.2448 GBP

4 2/7 p ordinary

Sale

1,867,147

0.2370 GBP

4 2/7 p ordinary

Sale

772,854

0.2410 GBP

4 2/7 p ordinary

Sale

639,307

0.2448 GBP

4 2/7 p ordinary

Sale

454,167

0.2423 GBP

4 2/7 p ordinary

Sale

312,520

0.2417 GBP

4 2/7 p ordinary

Sale

272,503

0.2457 GBP

4 2/7 p ordinary

Sale

158,787

0.2425 GBP

4 2/7 p ordinary

Sale

95,735

0.2404 GBP

4 2/7 p ordinary

Sale

93,375

0.2400 GBP

4 2/7 p ordinary

Sale

90,000

0.2394 GBP

4 2/7 p ordinary

Sale

69,794

0.2450 GBP

4 2/7 p ordinary

Sale

38,334

0.2470 GBP

4 2/7 p ordinary

Sale

16,153

0.2451 GBP

4 2/7 p ordinary

Sale

7,651

0.2406 GBP

4 2/7 p ordinary

Sale

5,930

0.2421 GBP

4 2/7 p ordinary

Sale

4,700

0.2456 GBP

4 2/7 p ordinary

Sale

4,138

0.2412 GBP

4 2/7 p ordinary

Sale

3,234

0.2392 GBP

4 2/7 p ordinary

Sale

1,520

0.2441 GBP

4 2/7 p ordinary

Sale

1,000

0.2500 GBP

4 2/7 p ordinary

Sale

818

0.2391 GBP

4 2/7 p ordinary

Sale

528

0.2401 GBP

4 2/7 p ordinary

Sale

451

0.2444 GBP

4 2/7 p ordinary

Sale

215

0.2390 GBP

4 2/7 p ordinary

Sale

134

0.2432 GBP

4 2/7 p ordinary

Sale

122

0.2408 GBP

4 2/7 p ordinary

Sale

120

0.2414 GBP

4 2/7 p ordinary

Sale

120

0.2446 GBP

4 2/7 p ordinary

Sale

119

0.2418 GBP

4 2/7 p ordinary

Sale

112

0.2398 GBP

4 2/7 p ordinary

Sale

112

0.2420 GBP

4 2/7 p ordinary

Sale

112

0.2402 GBP

4 2/7 p ordinary

Sale

98

0.2478 GBP

4 2/7 p ordinary

Sale

61

0.2388 GBP

4 2/7 p ordinary

Sale

59

0.2442 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

884,729

0.2370 GBP

4 2/7 p ordinary

SWAP

Increasing Long

3,122

0.2392 GBP

4 2/7 p ordinary

SWAP

Increasing Long

3,537

0.2400 GBP

4 2/7 p ordinary

SWAP

Increasing Long

454,167

0.2423 GBP

4 2/7 p ordinary

SWAP

Increasing Long

158,787

0.2425 GBP

4 2/7 p ordinary

SWAP

Increasing Long

1,520

0.2441 GBP

4 2/7 p ordinary

SWAP

Decreasing Long

167,947

0.2422 GBP

4 2/7 p ordinary

SWAP

Decreasing Long

216,718

0.2424 GBP

4 2/7 p ordinary

SWAP

Decreasing Long

27,128

0.2451 GBP

4 2/7 p ordinary

SWAP

Decreasing Long

53,383

0.2477 GBP

4 2/7 p ordinary

CFD

Increasing Long

801,199

0.2370 GBP

4 2/7 p ordinary

CFD

Increasing Long

5,930

0.2420 GBP

4 2/7 p ordinary

CFD

Increasing Long

272,503

0.2457 GBP

4 2/7 p ordinary

CFD

Decreasing Long

889,551

0.2370 GBP

4 2/7 p ordinary

CFD

Decreasing Long

5,780

0.2411 GBP

4 2/7 p ordinary

CFD

Decreasing Long

8,055

0.2412 GBP

4 2/7 p ordinary

CFD

Decreasing Long

151,076

0.2441 GBP

4 2/7 p ordinary

CFD

Decreasing Long

26,238

0.2476 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:

08 Dec 2025

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213