Form 8.5 EPT/Non RI VESUVIUS PLC

FORM 8.5 (EPT/NON-RI)

PUBLIC OPENING POSITION DISCLOSURE/DEALING DISCLOSURE BY AN

EXEMPT PRINCIPAL TRADER WITHOUT RECOGNISED INTERMEDIARY ("RI") STATUS

(OR WHERE RI STATUS IS NOT APPLICABLE)

Rule 8.5 of the Takeover Code (the "Code")

1.

KEY INFORMATION

(a)

Name of exempt principal trader:

BARCLAYS CAPITAL SECURITIES LTD

(b)

Name of offeror/offeree in relation to whose

VESUVIUS PLC

relevant securities this form relates:

(c)

Name of the party to the offer with which exempt

RHI MAGNESITA N.V.

principal trader is connected

(d)

Date position held/dealing undertaken:

29 Sep 2026

(e)

In addition to the company in 1(b) above, is the exempt principal

YES:

trader making disclosures in respect of any other party to the offer?

RHI MAGNESITA N.V.

2.

POSITIONS OF THE EXEMPT PRINCIPAL TRADER

(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:

10p ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

2,310,446

0.93%

1,661,380

0.67%

(2)

Cash-settled derivatives:

and/or controlled:

1,585,396

0.64%

2,296,363

0.93%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

3,895,842

1.57%

3,957,743

1.59%

(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 EXEMPT PRINCIPAL TRADER

(a)

Purchases and sales

Class of relevant

Purchase/sale

Total number of

Highest price per unit

Lowest price per unit

security

securities

paid/received

paid/received

10p ordinary

Purchase

560,412

4.8662 GBP

3.7460 GBP

10p ordinary

Sale

656,202

4.7999 GBP

3.8600 GBP

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

10p ordinary

SWAP

Opening Short

1,478

4.6703 GBP

10p ordinary

SWAP

Opening Long

5,431

4.7999 GBP

10p ordinary

SWAP

Opening Short

793

4.6658 GBP

10p ordinary

SWAP

Opening Short

250

4.6194 GBP

10p ordinary

SWAP

Opening Short

639

4.6737 GBP

10p ordinary

SWAP

Opening Long

246

4.3346 GBP

10p ordinary

SWAP

Opening Long

69,939

4.6700 GBP

10p ordinary

SWAP

Opening Long

3

4.3986 GBP

10p ordinary

SWAP

Opening Short

21,966

4.6702 GBP

10p ordinary

SWAP

Opening Short

1,733

4.6703 GBP

10p ordinary

SWAP

Opening Long

22,600

4.6671 GBP

10p ordinary

SWAP

Opening Long

4,776

4.6697 GBP

10p ordinary

CFD

Opening Long

13,105

4.5706 GBP

10p ordinary

SWAP

Opening Short

1,742

4.6858 GBP

10p ordinary

SWAP

Opening Long

7,943

3.8600 GBP

10p ordinary

SWAP

Opening Short

6,654

4.6700 GBP

10p ordinary

SWAP

Opening Long

142

4.6700 GBP

10p ordinary

SWAP

Opening Short

615

4.6700 GBP

10p ordinary

SWAP

Increasing Short

3,522

4.7419 GBP

10p ordinary

SWAP

Decreasing Long

1,917

4.7220 GBP

10p ordinary

SWAP

Increasing Short

479

4.7239 GBP

10p ordinary

SWAP

Increasing Short

112

4.8291 GBP

10p ordinary

SWAP

Increasing Short

170

4.8780 GBP

10p ordinary

SWAP

Closing Long

246

4.6796 GBP

10p ordinary

SWAP

Opening Short

1,903

4.6796 GBP

10p ordinary

SWAP

Increasing Long

6,694

4.6852 GBP

10p ordinary

SWAP

Decreasing Short

10,227

4.7476 GBP

10p ordinary

SWAP

Increasing Short

11,667

4.7647 GBP

10p ordinary

SWAP

Increasing Long

7,592

4.7060 GBP

10p ordinary

SWAP

Increasing Short

9,905

4.5983 GBP

10p ordinary

SWAP

Increasing Short

221

4.6700 GBP

10p ordinary

SWAP

Increasing Long

2,401

4.6699 GBP

10p ordinary

SWAP

Increasing Short

323

4.6890 GBP

10p ordinary

SWAP

Decreasing Long

2,289

4.6700 GBP

10p ordinary

SWAP

Increasing Short

12,627

4.6711 GBP

10p ordinary

SWAP

Decreasing Long

5,426

4.6700 GBP

10p ordinary

SWAP

Increasing Short

100,000

4.6284 GBP

10p ordinary

SWAP

Increasing Short

17

4.6700 GBP

10p ordinary

SWAP

Increasing Long

29,420

4.3516 GBP

10p ordinary

SWAP

Increasing Long

11,434

4.6700 GBP

10p ordinary

SWAP

Decreasing Short

15,335

4.6700 GBP

10p ordinary

SWAP

Increasing Long

9,901

4.6609 GBP

10p ordinary

SWAP

Increasing Short

100,000

4.6183 GBP

10p ordinary

SWAP

Increasing Long

1,446

4.6799 GBP

10p ordinary

SWAP

Increasing Long

15,935

4.6923 GBP

10p ordinary

SWAP

Decreasing Short

59

4.6700 GBP

10p ordinary

SWAP

Increasing Long

5,625

4.6701 GBP

10p ordinary

SWAP

Increasing Long

1,707

4.6046 GBP

10p ordinary

SWAP

Decreasing Short

7,313

4.6700 GBP

10p ordinary

SWAP

Decreasing Long

20,202

4.6932 GBP

10p ordinary

SWAP

Increasing Long

88,443

4.6827 GBP

10p ordinary

SWAP

Closing Short

1,659

4.6700 GBP

10p ordinary

SWAP

Opening Long

853

4.6700 GBP

10p ordinary

SWAP

Increasing Long

85,498

4.6798 GBP

10p ordinary

SWAP

Decreasing Long

18,556

4.6874 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)

Exercising

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 exempt principal trader 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:

30 Sep 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213