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:

16 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:

218,552

0.46%

204,516

0.43%

(2)

Cash-settled derivatives:

and/or controlled:

206,113

0.44%

221,661

0.47%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

424,665

0.90%

426,177

0.90%

(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

1,543

33.5000 EUR

33.3000 EUR

EUR 1 ordinary

Sale

1,543

33.4226 EUR

33.3000 EUR

EUR 1 ordinary

Purchase

5,174

29.0000 GBP

27.9000 GBP

EUR 1 ordinary

Sale

47,010

29.0058 GBP

27.8800 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

93

28.2035 GBP

EUR 1 ordinary

SWAP

Increasing Long

258

28.2787 GBP

EUR 1 ordinary

SWAP

Decreasing Long

53

29.0000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

94

28.8324 GBP

EUR 1 ordinary

SWAP

Decreasing Long

1

27.3000 GBP

EUR 1 ordinary

SWAP

Increasing Long

899

28.9985 GBP

EUR 1 ordinary

SWAP

Increasing Long

2

28.0500 GBP

EUR 1 ordinary

CFD

Decreasing Short

226

28.9976 GBP

EUR 1 ordinary

CFD

Increasing Long

501

28.9973 GBP

EUR 1 ordinary

CFD

Increasing Long

499

28.4495 GBP

EUR 1 ordinary

SWAP

Increasing Short

478

28.6950 GBP

EUR 1 ordinary

SWAP

Increasing Long

90

28.9994 GBP

EUR 1 ordinary

SWAP

Opening Long

1

27.8722 GBP

EUR 1 ordinary

SWAP

Decreasing Long

246

28.0304 GBP

EUR 1 ordinary

SWAP

Opening Long

63

29.0000 GBP

EUR 1 ordinary

SWAP

Increasing Long

236

28.2894 GBP

EUR 1 ordinary

SWAP

Increasing Long

1

28.0000 GBP

EUR 1 ordinary

SWAP

Increasing Long

12,102

29.0000 GBP

EUR 1 ordinary

SWAP

Increasing Long

33

28.5000 GBP

EUR 1 ordinary

CFD

Decreasing Long

361

28.3262 GBP

EUR 1 ordinary

SWAP

Increasing Long

234

28.3681 GBP

EUR 1 ordinary

SWAP

Closing Long

1

29.0000 GBP

EUR 1 ordinary

SWAP

Increasing Long

50

29.0000 GBP

EUR 1 ordinary

SWAP

Increasing Long

31

28.2223 GBP

EUR 1 ordinary

SWAP

Decreasing Long

111

28.3011 GBP

EUR 1 ordinary

SWAP

Increasing Long

873

29.0000 GBP

EUR 1 ordinary

SWAP

Increasing Long

2,800

28.7712 GBP

EUR 1 ordinary

SWAP

Increasing Long

868

29.0000 GBP

EUR 1 ordinary

SWAP

Increasing Long

56

27.9694 GBP

EUR 1 ordinary

SWAP

Increasing Long

31

27.9500 GBP

EUR 1 ordinary

SWAP

Increasing Long

352

28.1224 GBP

EUR 1 ordinary

SWAP

Increasing Long

24,373

29.0000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

6

28.1002 GBP

EUR 1 ordinary

SWAP

Increasing Long

32

28.0500 GBP

EUR 1 ordinary

SWAP

Increasing Long

238

28.5048 GBP

EUR 1 ordinary

SWAP

Decreasing Long

429

28.1349 GBP

EUR 1 ordinary

SWAP

Increasing Long

60

28.5000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

189

28.1369 GBP

EUR 1 ordinary

SWAP

Increasing Long

108

29.0000 GBP

EUR 1 ordinary

SWAP

Increasing Long

141

28.5834 GBP

EUR 1 ordinary

SWAP

Decreasing Long

444

28.2647 GBP

EUR 1 ordinary

SWAP

Increasing Long

50

28.0000 GBP

EUR 1 ordinary

SWAP

Decreasing Long

1,074

28.3340 GBP

EUR 1 ordinary

SWAP

Increasing Long

208

28.5074 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:

19 Oct 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213