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:

06 Oct 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:

216,042

0.46%

155,555

0.33%

(2)

Cash-settled derivatives:

and/or controlled:

156,284

0.33%

218,293

0.46%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

372,326

0.79%

373,848

0.79%

(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

2,237

33.5620 EUR

32.7333 EUR

EUR 1 ordinary

Sale

1,110

33.2741 EUR

32.9000 EUR

EUR 1 ordinary

Purchase

5,359

28.8250 GBP

27.6545 GBP

EUR 1 ordinary

Sale

32,445

28.5884 GBP

27.6500 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

320

27.9522 GBP

EUR 1 ordinary

SWAP

Decreasing Long

34

28.2231 GBP

EUR 1 ordinary

SWAP

Increasing Long

750

28.4500 GBP

EUR 1 ordinary

SWAP

Closing Long

52

28.3438 GBP

EUR 1 ordinary

SWAP

Decreasing Long

13

28.6423 GBP

EUR 1 ordinary

SWAP

Increasing Long

59

28.1661 GBP

EUR 1 ordinary

SWAP

Increasing Long

221

28.4500 GBP

EUR 1 ordinary

CFD

Increasing Long

304

28.4474 GBP

EUR 1 ordinary

CFD

Increasing Short

1,047

33.1099 EUR

EUR 1 ordinary

CFD

Increasing Long

526

28.1623 GBP

EUR 1 ordinary

CFD

Opening Long

188

28.2059 GBP

EUR 1 ordinary

CFD

Increasing Long

283

28.0096 GBP

EUR 1 ordinary

SWAP

Decreasing Long

1,167

28.3678 GBP

EUR 1 ordinary

SWAP

Opening Long

87

28.4494 GBP

EUR 1 ordinary

SWAP

Decreasing Long

260

28.4511 GBP

EUR 1 ordinary

SWAP

Opening Long

81

28.4500 GBP

EUR 1 ordinary

SWAP

Increasing Long

69

27.9823 GBP

EUR 1 ordinary

SWAP

Decreasing Long

45

28.0359 GBP

EUR 1 ordinary

SWAP

Increasing Long

53

28.0886 GBP

EUR 1 ordinary

SWAP

Increasing Long

150

28.4500 GBP

EUR 1 ordinary

SWAP

Increasing Long

144

27.8802 GBP

EUR 1 ordinary

CFD

Increasing Short

80

32.7400 EUR

EUR 1 ordinary

CFD

Increasing Long

600

28.1272 GBP

EUR 1 ordinary

SWAP

Increasing Long

33

28.5885 GBP

EUR 1 ordinary

SWAP

Decreasing Long

1,747

28.1219 GBP

EUR 1 ordinary

SWAP

Increasing Long

227

28.4500 GBP

EUR 1 ordinary

SWAP

Increasing Long

73

27.8881 GBP

EUR 1 ordinary

SWAP

Increasing Long

36

27.9000 GBP

EUR 1 ordinary

SWAP

Increasing Long

20

28.4500 GBP

EUR 1 ordinary

SWAP

Increasing Long

348

28.0591 GBP

EUR 1 ordinary

SWAP

Increasing Long

6

28.0158 GBP

EUR 1 ordinary

SWAP

Increasing Long

20,857

28.4500 GBP

EUR 1 ordinary

SWAP

Increasing Long

96

28.1591 GBP

EUR 1 ordinary

SWAP

Decreasing Long

74

28.2993 GBP

EUR 1 ordinary

SWAP

Increasing Long

5,526

28.4500 GBP

EUR 1 ordinary

SWAP

Decreasing Long

49

27.9002 GBP

EUR 1 ordinary

SWAP

Decreasing Long

47

28.1500 GBP

EUR 1 ordinary

SWAP

Increasing Long

64

28.0997 GBP

EUR 1 ordinary

SWAP

Increasing Long

30

27.9166 GBP

EUR 1 ordinary

SWAP

Increasing Long

74

28.0033 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:

07 Oct 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213