Form 8.5 EPT/Non RI RHI MAGNESITA N.V..

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

RHI MAGNESITA N.V.

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:

05 Nov 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?

VESUVIUS PLC

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:

EUR 1 ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

210,465

0.44%

167,527

0.35%

(2)

Cash-settled derivatives:

and/or controlled:

168,790

0.36%

213,647

0.45%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

379,255

0.80%

381,174

0.80%

(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

EUR 1 ordinary

Purchase

960

34.5500  EUR

33.2858  EUR

EUR 1 ordinary

Sale

536

34.5500  EUR

33.2858  EUR

EUR 1 ordinary

Purchase

9,915

28.8500  GBP

27.3977  GBP

EUR 1 ordinary

Sale

16,948

28.7633  GBP

27.4000  GBP

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

EUR 1 ordinary

SWAP

Decreasing Long

51

28.7502  GBP

EUR 1 ordinary

SWAP

Decreasing Long

704

28.7930  GBP

EUR 1 ordinary

SWAP

Decreasing Short

16

27.7852  GBP

EUR 1 ordinary

SWAP

Increasing Long

1,541

27.6500  GBP

EUR 1 ordinary

SWAP

Increasing Long

139

28.0338  GBP

EUR 1 ordinary

SWAP

Increasing Long

270

27.6500  GBP

EUR 1 ordinary

CFD

Decreasing Long

229

28.1426  GBP

EUR 1 ordinary

CFD

Decreasing Short

100

34.1846  EUR

EUR 1 ordinary

CFD

Decreasing Long

45

28.8522  GBP

EUR 1 ordinary

CFD

Decreasing Long

127

28.8051  GBP

EUR 1 ordinary

CFD

Increasing Long

253

27.9497  GBP

EUR 1 ordinary

CFD

Decreasing Long

6

34.5500  EUR

EUR 1 ordinary

CFD

Increasing Long

120

27.4000  GBP

EUR 1 ordinary

SWAP

Increasing Short

592

27.7435  GBP

EUR 1 ordinary

SWAP

Opening Short

97

28.0582  GBP

EUR 1 ordinary

SWAP

Decreasing Long

316

28.7502  GBP

EUR 1 ordinary

SWAP

Decreasing Long

12

28.4083  GBP

EUR 1 ordinary

SWAP

Increasing Long

195

28.2187  GBP

EUR 1 ordinary

CFD

Increasing Long

888

27.6477  GBP

EUR 1 ordinary

CFD

Increasing Short

501

33.7353  EUR

EUR 1 ordinary

CFD

Increasing Long

338

28.2370  GBP

EUR 1 ordinary

CFD

Decreasing Long

157

28.2529  GBP

EUR 1 ordinary

CFD

Increasing Long

13

33.9000  EUR

EUR 1 ordinary

CFD

Increasing Long

282

27.4000  GBP

EUR 1 ordinary

SWAP

Closing Short

97

27.6500  GBP

EUR 1 ordinary

SWAP

Increasing Long

34

28.3497  GBP

EUR 1 ordinary

SWAP

Increasing Long

26

27.6500  GBP

EUR 1 ordinary

SWAP

Increasing Long

227

27.7101  GBP

EUR 1 ordinary

CFD

Increasing Short

30

33.9026  EUR

EUR 1 ordinary

CFD

Decreasing Long

55

28.8520  GBP

EUR 1 ordinary

SWAP

Increasing Long

1,596

28.1427  GBP

EUR 1 ordinary

SWAP

Increasing Long

323

28.0933  GBP

EUR 1 ordinary

SWAP

Increasing Long

962

27.8253  GBP

EUR 1 ordinary

CFD

Increasing Long

192

28.1823  GBP

EUR 1 ordinary

SWAP

Increasing Long

755

28.3504  GBP

EUR 1 ordinary

SWAP

Decreasing Long

29

28.8000  GBP

EUR 1 ordinary

SWAP

Increasing Long

625

28.1532  GBP

EUR 1 ordinary

SWAP

Increasing Long

204

28.0860  GBP

EUR 1 ordinary

SWAP

Increasing Long

360

28.0434  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:

06 Nov 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213