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:

30 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:

216,384

0.46%

143,784

0.30%

(2)

Cash-settled derivatives:

and/or controlled:

142,775

0.30%

216,543

0.46%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

359,159

0.76%

360,327

0.76%

(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

1,634

35.1074 EUR

34.2315 EUR

EUR 1 ordinary

Sale

470

35.4777 EUR

34.2315 EUR

EUR 1 ordinary

Purchase

28,592

31.0500 GBP

29.3000 GBP

EUR 1 ordinary

Sale

42,555

31.0562 GBP

28.9503 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

2,667

29.9460 GBP

EUR 1 ordinary

SWAP

Decreasing Long

189

29.5002 GBP

EUR 1 ordinary

SWAP

Decreasing Long

2,818

31.0500 GBP

EUR 1 ordinary

SWAP

Opening Long

137

30.7960 GBP

EUR 1 ordinary

SWAP

Decreasing Long

50

29.8925 GBP

EUR 1 ordinary

SWAP

Decreasing Long

1,529

31.0500 GBP

EUR 1 ordinary

SWAP

Increasing Long

2

29.6500 GBP

EUR 1 ordinary

CFD

Closing Short

1,192

31.0475 GBP

EUR 1 ordinary

CFD

Opening Long

247

31.0475 GBP

EUR 1 ordinary

CFD

Increasing Short

1,162

34.8795 EUR

EUR 1 ordinary

CFD

Increasing Long

544

29.8844 GBP

EUR 1 ordinary

CFD

Increasing Long

8

34.9662 EUR

EUR 1 ordinary

CFD

Increasing Long

26

29.4365 GBP

EUR 1 ordinary

CFD

Decreasing Long

135

29.8933 GBP

EUR 1 ordinary

SWAP

Decreasing Long

7

35.7171 EUR

EUR 1 ordinary

SWAP

Decreasing Long

296

30.7332 GBP

EUR 1 ordinary

SWAP

Decreasing Short

9,361

28.9503 GBP

EUR 1 ordinary

SWAP

Decreasing Long

147

29.8933 GBP

EUR 1 ordinary

SWAP

Decreasing Long

338

29.9301 GBP

EUR 1 ordinary

SWAP

Increasing Long

1,371

31.0496 GBP

EUR 1 ordinary

SWAP

Increasing Long

1

29.1000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

397

30.1147 GBP

EUR 1 ordinary

CFD

Decreasing Short

37

35.4540 EUR

EUR 1 ordinary

CFD

Decreasing Long

16

30.2018 GBP

EUR 1 ordinary

CFD

Closing Long

149

31.0500 GBP

EUR 1 ordinary

SWAP

Decreasing Short

11,702

29.9167 GBP

EUR 1 ordinary

SWAP

Decreasing Long

301

30.3248 GBP

EUR 1 ordinary

SWAP

Increasing Long

40

30.1725 GBP

EUR 1 ordinary

SWAP

Decreasing Long

620

30.0525 GBP

EUR 1 ordinary

CFD

Increasing Short

40

34.9025 EUR

EUR 1 ordinary

CFD

Increasing Long

637

29.9014 GBP

EUR 1 ordinary

SWAP

Decreasing Long

216

29.4516 GBP

EUR 1 ordinary

SWAP

Increasing Long

14

30.4500 GBP

EUR 1 ordinary

SWAP

Increasing Long

115

31.0500 GBP

EUR 1 ordinary

SWAP

Decreasing Long

495

30.3156 GBP

EUR 1 ordinary

SWAP

Increasing Long

267

29.6576 GBP

EUR 1 ordinary

SWAP

Decreasing Long

1,039

30.1822 GBP

EUR 1 ordinary

SWAP

Increasing Long

18

29.9750 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:

01 Oct 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213