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:

08 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:

214,401

0.45%

168,093

0.35%

(2)

Cash-settled derivatives:

and/or controlled:

171,246

0.36%

219,068

0.46%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

385,647

0.81%

387,161

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

768

32.7000 EUR

32.0000 EUR

EUR 1 ordinary

Sale

343

32.7000 EUR

32.3920 EUR

EUR 1 ordinary

Purchase

18,193

28.1500 GBP

27.0500 GBP

EUR 1 ordinary

Sale

20,873

27.9000 GBP

27.0466 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

872

27.7804 GBP

EUR 1 ordinary

SWAP

Decreasing Short

14

27.4978 GBP

EUR 1 ordinary

SWAP

Increasing Long

179

27.0500 GBP

EUR 1 ordinary

SWAP

Decreasing Long

51

27.7362 GBP

EUR 1 ordinary

SWAP

Increasing Long

41

27.1500 GBP

EUR 1 ordinary

SWAP

Increasing Long

143

27.3917 GBP

EUR 1 ordinary

CFD

Opening Short

1,623

27.5235 GBP

EUR 1 ordinary

CFD

Increasing Short

395

32.6351 EUR

EUR 1 ordinary

CFD

Increasing Long

175

27.7550 GBP

EUR 1 ordinary

CFD

Increasing Long

225

27.7060 GBP

EUR 1 ordinary

CFD

Decreasing Long

746

27.6654 GBP

EUR 1 ordinary

SWAP

Closing Long

724

27.3103 GBP

EUR 1 ordinary

SWAP

Opening Short

441

27.3103 GBP

EUR 1 ordinary

SWAP

Decreasing Short

3,195

27.4540 GBP

EUR 1 ordinary

SWAP

Opening Long

7

27.0466 GBP

EUR 1 ordinary

SWAP

Decreasing Long

737

27.0509 GBP

EUR 1 ordinary

SWAP

Increasing Long

41

27.1500 GBP

EUR 1 ordinary

SWAP

Increasing Long

102

27.9394 GBP

EUR 1 ordinary

SWAP

Increasing Long

70

27.6503 GBP

EUR 1 ordinary

SWAP

Increasing Long

394

27.0500 GBP

EUR 1 ordinary

SWAP

Increasing Long

160

27.7093 GBP

EUR 1 ordinary

CFD

Increasing Short

30

32.7023 EUR

EUR 1 ordinary

CFD

Increasing Long

250

27.7460 GBP

EUR 1 ordinary

SWAP

Closing Long

7

27.0500 GBP

EUR 1 ordinary

SWAP

Decreasing Long

1,871

27.3757 GBP

EUR 1 ordinary

SWAP

Increasing Long

347

27.0500 GBP

EUR 1 ordinary

SWAP

Increasing Long

28

27.7497 GBP

EUR 1 ordinary

SWAP

Increasing Long

30

27.4000 GBP

EUR 1 ordinary

SWAP

Increasing Long

5,742

27.0500 GBP

EUR 1 ordinary

SWAP

Increasing Long

115

27.8000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

381

27.4067 GBP

EUR 1 ordinary

SWAP

Decreasing Long

214

27.0500 GBP

EUR 1 ordinary

SWAP

Decreasing Long

336

27.6720 GBP

EUR 1 ordinary

SWAP

Decreasing Long

109

27.6050 GBP

EUR 1 ordinary

SWAP

Decreasing Long

8

27.5502 GBP

EUR 1 ordinary

SWAP

Decreasing Long

210

27.6276 GBP

EUR 1 ordinary

SWAP

Decreasing Long

1,093

27.6726 GBP

EUR 1 ordinary

SWAP

Increasing Long

49

27.7683 GBP

EUR 1 ordinary

SWAP

Increasing Long

135

27.7819 GBP

EUR 1 ordinary

SWAP

Increasing Long

309

27.2126 GBP

EUR 1 ordinary

SWAP

Decreasing Long

1,384

27.5468 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:

09 Oct 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213