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:

29 Sep 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:

238,268

0.50%

152,869

0.32%

(2)

Cash-settled derivatives:

and/or controlled:

150,757

0.32%

237,633

0.50%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

389,025

0.82%

390,502

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

1,505

32.6644 EUR

31.7272 EUR

EUR 1 ordinary

Sale

1,435

33.0789 EUR

32.0149 EUR

EUR 1 ordinary

Purchase

52,106

28.7500 GBP

27.0000 GBP

EUR 1 ordinary

Sale

39,592

28.4500 GBP

27.0750 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

Opening Short

2,538

27.6708 GBP

EUR 1 ordinary

SWAP

Opening Long

440

26.9999 GBP

EUR 1 ordinary

SWAP

Opening Short

6,860

28.2000 GBP

EUR 1 ordinary

SWAP

Opening Short

29

27.7663 GBP

EUR 1 ordinary

SWAP

Opening Long

1,573

28.2000 GBP

EUR 1 ordinary

SWAP

Opening Short

218

28.2000 GBP

EUR 1 ordinary

SWAP

Opening Long

3

28.2333 GBP

EUR 1 ordinary

CFD

Opening Short

519

28.2022 GBP

EUR 1 ordinary

CFD

Opening Short

399

32.4755 EUR

EUR 1 ordinary

CFD

Opening Short

154

28.0274 GBP

EUR 1 ordinary

CFD

Opening Long

45

32.1428 EUR

EUR 1 ordinary

CFD

Opening Long

844

27.6682 GBP

EUR 1 ordinary

CFD

Opening Short

1,067

28.2000 GBP

EUR 1 ordinary

SWAP

Opening Short

7

32.1157 EUR

EUR 1 ordinary

SWAP

Opening Short

116

28.2191 GBP

EUR 1 ordinary

SWAP

Increasing Short

955

27.6651 GBP

EUR 1 ordinary

SWAP

Decreasing Long

100

27.5002 GBP

EUR 1 ordinary

SWAP

Closing Short

29

27.7317 GBP

EUR 1 ordinary

SWAP

Opening Long

19

27.7317 GBP

EUR 1 ordinary

SWAP

Decreasing Short

204

28.2000 GBP

EUR 1 ordinary

SWAP

Closing Long

3

28.2000 GBP

EUR 1 ordinary

SWAP

Opening Short

501

28.2000 GBP

EUR 1 ordinary

CFD

Closing Short

519

28.1500 GBP

EUR 1 ordinary

CFD

Opening Long

4,633

28.1500 GBP

EUR 1 ordinary

CFD

Decreasing Short

214

32.9648 EUR

EUR 1 ordinary

CFD

Increasing Short

146

28.0855 GBP

EUR 1 ordinary

SWAP

Increasing Short

1,494

27.7214 GBP

EUR 1 ordinary

SWAP

Closing Long

19

27.8576 GBP

EUR 1 ordinary

SWAP

Opening Short

92

27.8576 GBP

EUR 1 ordinary

SWAP

Decreasing Short

10

28.2000 GBP

EUR 1 ordinary

SWAP

Increasing Short

354

28.0146 GBP

EUR 1 ordinary

CFD

Decreasing Short

97

32.3854 EUR

EUR 1 ordinary

CFD

Decreasing Short

210

27.6836 GBP

EUR 1 ordinary

SWAP

Increasing Short

1,336

27.6325 GBP

EUR 1 ordinary

SWAP

Increasing Short

211

28.2000 GBP

EUR 1 ordinary

SWAP

Increasing Short

1,362

27.7027 GBP

EUR 1 ordinary

CFD

Increasing Short

20

32.2025 EUR

EUR 1 ordinary

CFD

Closing Short

90

27.6263 GBP

EUR 1 ordinary

CFD

Opening Long

108

27.6263 GBP

EUR 1 ordinary

SWAP

Increasing Short

394

27.9136 GBP

EUR 1 ordinary

SWAP

Decreasing Short

52

27.7206 GBP

EUR 1 ordinary

SWAP

Decreasing Short

579

27.9238 GBP

EUR 1 ordinary

SWAP

Increasing Short

3,388

27.8068 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:

30 Sep 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213