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:

20 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:

221,517

0.47%

166,457

0.35%

(2)

Cash-settled derivatives:

and/or controlled:

167,217

0.35%

223,672

0.47%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

388,734

0.82%

390,129

0.82%

(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

605

31.7877 EUR

31.2690 EUR

EUR 1 ordinary

Sale

791

31.7877 EUR

31.2000 EUR

EUR 1 ordinary

Purchase

6,786

26.7525 GBP

26.0000 GBP

EUR 1 ordinary

Sale

10,776

26.7530 GBP

25.8000 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

Increasing Long

318

26.2601 GBP

EUR 1 ordinary

SWAP

Increasing Long

320

26.5497 GBP

EUR 1 ordinary

SWAP

Increasing Long

197

26.2000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

32

26.2205 GBP

EUR 1 ordinary

SWAP

Decreasing Long

29

26.8637 GBP

EUR 1 ordinary

SWAP

Decreasing Long

63

26.2012 GBP

EUR 1 ordinary

SWAP

Increasing Long

2

26.6500 GBP

EUR 1 ordinary

CFD

Decreasing Short

238

26.0941 GBP

EUR 1 ordinary

CFD

Decreasing Short

8

31.1975 EUR

EUR 1 ordinary

CFD

Decreasing Long

61

26.1018 GBP

EUR 1 ordinary

CFD

Decreasing Long

338

26.2463 GBP

EUR 1 ordinary

CFD

Decreasing Long

395

26.8241 GBP

EUR 1 ordinary

CFD

Opening Long

302

26.2338 GBP

EUR 1 ordinary

SWAP

Increasing Short

1,477

26.2234 GBP

EUR 1 ordinary

SWAP

Opening Long

43

26.2000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

110

26.6783 GBP

EUR 1 ordinary

SWAP

Increasing Long

19

26.0697 GBP

EUR 1 ordinary

SWAP

Closing Long

36

26.1522 GBP

EUR 1 ordinary

SWAP

Opening Short

227

26.1522 GBP

EUR 1 ordinary

SWAP

Increasing Long

608

26.2000 GBP

EUR 1 ordinary

CFD

Decreasing Short

377

26.1979 GBP

EUR 1 ordinary

CFD

Decreasing Short

178

31.1859 EUR

EUR 1 ordinary

CFD

Decreasing Long

113

26.1019 GBP

EUR 1 ordinary

CFD

Increasing Long

902

25.8000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

457

26.3529 GBP

EUR 1 ordinary

SWAP

Increasing Long

28

26.3500 GBP

EUR 1 ordinary

SWAP

Closing Short

227

26.2159 GBP

EUR 1 ordinary

SWAP

Opening Long

159

26.2159 GBP

EUR 1 ordinary

SWAP

Increasing Long

49

26.3000 GBP

EUR 1 ordinary

CFD

Increasing Long

1,309

25.8000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

320

26.4306 GBP

EUR 1 ordinary

SWAP

Increasing Long

40

26.2075 GBP

EUR 1 ordinary

SWAP

Increasing Long

2

26.2000 GBP

EUR 1 ordinary

SWAP

Increasing Long

59

26.2322 GBP

EUR 1 ordinary

SWAP

Increasing Long

116

26.0265 GBP

EUR 1 ordinary

SWAP

Increasing Long

699

26.2000 GBP

EUR 1 ordinary

SWAP

Increasing Long

727

26.1353 GBP

EUR 1 ordinary

SWAP

Increasing Long

682

26.4022 GBP

EUR 1 ordinary

SWAP

Decreasing Long

65

26.1961 GBP

EUR 1 ordinary

SWAP

Increasing Long

147

26.3273 GBP

EUR 1 ordinary

SWAP

Increasing Long

218

26.3259 GBP

EUR 1 ordinary

SWAP

Decreasing Long

317

26.2903 GBP

EUR 1 ordinary

SWAP

Decreasing Long

80

26.1625 GBP

EUR 1 ordinary

SWAP

Increasing Long

209

26.1440 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:

21 Oct 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213