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:

02 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:

216,042

0.46%

126,637

0.27%

(2)

Cash-settled derivatives:

and/or controlled:

125,605

0.27%

216,543

0.46%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

341,647

0.72%

343,180

0.72%

(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

1,003

35.4000 EUR

34.5000 EUR

EUR 1 ordinary

Sale

995

35.3843 EUR

34.5000 EUR

EUR 1 ordinary

Purchase

31,994

30.2375 GBP

28.5000 GBP

EUR 1 ordinary

Sale

21,741

30.2497 GBP

28.5000 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

115

30.2497 GBP

EUR 1 ordinary

SWAP

Increasing Long

300

28.9830 GBP

EUR 1 ordinary

SWAP

Decreasing Long

1,160

28.5000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

85

28.6576 GBP

EUR 1 ordinary

SWAP

Decreasing Long

49

29.7750 GBP

EUR 1 ordinary

SWAP

Decreasing Long

248

29.0135 GBP

EUR 1 ordinary

CFD

Decreasing Long

498

29.8472 GBP

EUR 1 ordinary

SWAP

Decreasing Long

8

35.2175 EUR

EUR 1 ordinary

SWAP

Decreasing Long

664

28.7251 GBP

EUR 1 ordinary

SWAP

Opening Long

186

29.2890 GBP

EUR 1 ordinary

SWAP

Decreasing Long

5,925

29.3746 GBP

EUR 1 ordinary

SWAP

Decreasing Long

219

29.8706 GBP

EUR 1 ordinary

SWAP

Increasing Long

41

29.7939 GBP

EUR 1 ordinary

SWAP

Increasing Long

268

29.0509 GBP

EUR 1 ordinary

CFD

Increasing Long

124

29.3816 GBP

EUR 1 ordinary

SWAP

Decreasing Long

493

29.8710 GBP

EUR 1 ordinary

SWAP

Increasing Long

25

29.3000 GBP

EUR 1 ordinary

SWAP

Increasing Long

240

28.8072 GBP

EUR 1 ordinary

SWAP

Decreasing Long

252

29.7053 GBP

EUR 1 ordinary

SWAP

Decreasing Long

15

28.5000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

701

29.9107 GBP

EUR 1 ordinary

SWAP

Decreasing Long

263

29.5638 GBP

EUR 1 ordinary

SWAP

Increasing Long

26

29.2932 GBP

EUR 1 ordinary

SWAP

Increasing Long

508

28.6844 GBP

EUR 1 ordinary

SWAP

Decreasing Long

1,514

29.7427 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:

05 Oct 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213