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:

13 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:

217,719

0.46%

171,494

0.36%

(2)

Cash-settled derivatives:

and/or controlled:

170,281

0.35%

218,108

0.46%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

388,000

0.81%

389,602

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

1,450

34.7000 EUR

33.7398 EUR

EUR 1 ordinary

Sale

791

34.6423 EUR

34.4937 EUR

EUR 1 ordinary

Purchase

5,299

29.3254 GBP

28.7500 GBP

EUR 1 ordinary

Sale

8,085

29.3374 GBP

28.5500 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

381

29.2497 GBP

EUR 1 ordinary

SWAP

Decreasing Long

20

29.3502 GBP

EUR 1 ordinary

SWAP

Decreasing Short

13

29.4476 GBP

EUR 1 ordinary

SWAP

Decreasing Long

79

29.3502 GBP

EUR 1 ordinary

SWAP

Decreasing Long

427

29.2500 GBP

EUR 1 ordinary

SWAP

Decreasing Long

16

29.1625 GBP

EUR 1 ordinary

SWAP

Increasing Long

112

29.2500 GBP

EUR 1 ordinary

CFD

Increasing Short

559

33.7550 EUR

EUR 1 ordinary

CFD

Increasing Long

319

28.7788 GBP

EUR 1 ordinary

CFD

Increasing Long

247

29.0809 GBP

EUR 1 ordinary

CFD

Decreasing Long

538

28.9584 GBP

EUR 1 ordinary

SWAP

Increasing Short

977

29.2768 GBP

EUR 1 ordinary

SWAP

Increasing Long

610

29.1449 GBP

EUR 1 ordinary

SWAP

Increasing Long

749

29.2639 GBP

EUR 1 ordinary

SWAP

Increasing Long

243

29.2500 GBP

EUR 1 ordinary

SWAP

Decreasing Long

55

29.1493 GBP

EUR 1 ordinary

SWAP

Increasing Long

62

28.7608 GBP

EUR 1 ordinary

SWAP

Increasing Long

258

29.0145 GBP

EUR 1 ordinary

CFD

Increasing Short

100

34.5026 EUR

EUR 1 ordinary

CFD

Increasing Long

340

28.8102 GBP

EUR 1 ordinary

SWAP

Increasing Long

36

28.8553 GBP

EUR 1 ordinary

SWAP

Increasing Long

43

29.2488 GBP

EUR 1 ordinary

SWAP

Decreasing Long

37

29.3704 GBP

EUR 1 ordinary

SWAP

Decreasing Long

59

29.0343 GBP

EUR 1 ordinary

SWAP

Increasing Long

790

29.1019 GBP

EUR 1 ordinary

SWAP

Decreasing Long

52

29.2505 GBP

EUR 1 ordinary

SWAP

Decreasing Long

24

29.3252 GBP

EUR 1 ordinary

SWAP

Decreasing Long

97

29.1515 GBP

EUR 1 ordinary

SWAP

Increasing Long

233

29.1236 GBP

EUR 1 ordinary

SWAP

Increasing Long

157

29.3197 GBP

EUR 1 ordinary

SWAP

Increasing Long

237

29.1282 GBP

EUR 1 ordinary

SWAP

Increasing Long

10

28.9997 GBP

EUR 1 ordinary

SWAP

Decreasing Long

66

28.7500 GBP

EUR 1 ordinary

SWAP

Increasing Long

311

29.3483 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:

14 Oct 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213