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:

30 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:

208,575

0.44%

167,124

0.35%

(2)

Cash-settled derivatives:

and/or controlled:

167,645

0.35%

211,002

0.45%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

376,220

0.79%

378,126

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

307

32.2333  EUR

32.1000  EUR

EUR 1 ordinary

Sale

75

32.2333  EUR

32.2333  EUR

EUR 1 ordinary

Purchase

5,014

27.1357  GBP

26.9000  GBP

EUR 1 ordinary

Sale

8,004

27.1738  GBP

26.8500  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

423

26.9002  GBP

EUR 1 ordinary

SWAP

Decreasing Long

762

27.0334  GBP

EUR 1 ordinary

SWAP

Decreasing Long

791

26.9000  GBP

EUR 1 ordinary

SWAP

Increasing Long

18

27.0333  GBP

EUR 1 ordinary

SWAP

Increasing Long

209

26.9000  GBP

EUR 1 ordinary

CFD

Decreasing Long

121

27.0546  GBP

EUR 1 ordinary

CFD

Increasing Short

232

32.1144  EUR

EUR 1 ordinary

CFD

Increasing Long

146

26.9036  GBP

EUR 1 ordinary

CFD

Increasing Long

339

26.9486  GBP

EUR 1 ordinary

CFD

Increasing Long

115

26.9518  GBP

EUR 1 ordinary

CFD

Opening Long

288

27.0000  GBP

EUR 1 ordinary

SWAP

Increasing Short

646

26.9584  GBP

EUR 1 ordinary

SWAP

Decreasing Short

1,936

26.9571  GBP

EUR 1 ordinary

SWAP

Opening Long

141

26.9628  GBP

EUR 1 ordinary

SWAP

Decreasing Long

154

27.1356  GBP

EUR 1 ordinary

SWAP

Decreasing Long

153

27.0169  GBP

EUR 1 ordinary

SWAP

Decreasing Long

19

27.0763  GBP

EUR 1 ordinary

SWAP

Increasing Long

77

26.9500  GBP

EUR 1 ordinary

CFD

Increasing Long

86

26.8980  GBP

EUR 1 ordinary

CFD

Increasing Long

1,556

27.0174  GBP

EUR 1 ordinary

SWAP

Increasing Long

38

26.9557  GBP

EUR 1 ordinary

SWAP

Decreasing Long

122

26.9010  GBP

EUR 1 ordinary

SWAP

Decreasing Long

62

26.8856  GBP

EUR 1 ordinary

SWAP

Decreasing Long

16

26.9000  GBP

EUR 1 ordinary

SWAP

Increasing Long

69

27.0500  GBP

EUR 1 ordinary

SWAP

Closing Long

179

26.9000  GBP

EUR 1 ordinary

SWAP

Decreasing Long

28

26.9009  GBP

EUR 1 ordinary

SWAP

Decreasing Long

270

27.0205  GBP

EUR 1 ordinary

SWAP

Increasing Long

10

27.0500  GBP

EUR 1 ordinary

SWAP

Increasing Long

482

26.9967  GBP

EUR 1 ordinary

SWAP

Increasing Long

939

26.9000  GBP

EUR 1 ordinary

SWAP

Increasing Long

268

26.9608  GBP

EUR 1 ordinary

SWAP

Decreasing Long

30

27.0833  GBP

EUR 1 ordinary

SWAP

Decreasing Long

16

27.0500  GBP

EUR 1 ordinary

SWAP

Increasing Long

65

27.1738  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:

02 Nov 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213