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:

12 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:

216,755

0.46%

168,403

0.36%

(2)

Cash-settled derivatives:

and/or controlled:

167,865

0.35%

217,737

0.46%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

384,620

0.81%

386,140

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

613

34.0000 EUR

33.4025 EUR

EUR 1 ordinary

Sale

100

34.0000 EUR

34.0000 EUR

EUR 1 ordinary

Purchase

26,868

28.7750 GBP

28.4331 GBP

EUR 1 ordinary

Sale

27,091

28.6500 GBP

28.3689 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

238

28.4733 GBP

EUR 1 ordinary

SWAP

Decreasing Short

14

28.6477 GBP

EUR 1 ordinary

SWAP

Decreasing Long

1,860

28.6000 GBP

EUR 1 ordinary

SWAP

Increasing Long

2

28.7500 GBP

EUR 1 ordinary

SWAP

Increasing Long

166

28.5816 GBP

EUR 1 ordinary

SWAP

Increasing Long

650

28.5281 GBP

EUR 1 ordinary

CFD

Decreasing Short

5,000

33.8000 EUR

EUR 1 ordinary

CFD

Decreasing Long

5,000

28.5521 GBP

EUR 1 ordinary

CFD

Increasing Long

231

28.5529 GBP

EUR 1 ordinary

CFD

Decreasing Long

1,224

28.5206 GBP

EUR 1 ordinary

SWAP

Increasing Short

1,069

28.5857 GBP

EUR 1 ordinary

SWAP

Opening Long

70

28.5994 GBP

EUR 1 ordinary

SWAP

Increasing Long

121

28.6458 GBP

EUR 1 ordinary

SWAP

Decreasing Long

12

28.5002 GBP

EUR 1 ordinary

SWAP

Increasing Long

39

28.5666 GBP

EUR 1 ordinary

SWAP

Increasing Long

658

28.6000 GBP

EUR 1 ordinary

SWAP

Increasing Long

798

28.6000 GBP

EUR 1 ordinary

CFD

Increasing Short

513

33.4175 EUR

EUR 1 ordinary

CFD

Increasing Long

242

28.5480 GBP

EUR 1 ordinary

SWAP

Increasing Long

148

28.6105 GBP

EUR 1 ordinary

SWAP

Increasing Long

560

28.6000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

60

28.2602 GBP

EUR 1 ordinary

SWAP

Decreasing Long

29

28.6439 GBP

EUR 1 ordinary

SWAP

Increasing Long

677

28.6000 GBP

EUR 1 ordinary

SWAP

Increasing Long

47

28.5500 GBP

EUR 1 ordinary

CFD

Increasing Long

271

28.5362 GBP

EUR 1 ordinary

SWAP

Decreasing Long

48

28.5500 GBP

EUR 1 ordinary

SWAP

Increasing Long

419

28.6000 GBP

EUR 1 ordinary

SWAP

Increasing Long

90

28.6000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

111

28.5144 GBP

EUR 1 ordinary

SWAP

Increasing Long

152

28.5082 GBP

EUR 1 ordinary

SWAP

Increasing Long

7

28.5500 GBP

EUR 1 ordinary

SWAP

Increasing Long

275

28.5750 GBP

EUR 1 ordinary

SWAP

Decreasing Long

754

28.4900 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:

13 Oct 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213