Form 8.5 EPT/Non RI VESUVIUS PLC

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

VESUVIUS PLC

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?

RHI MAGNESITA N.V.

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:

10p ordinary

Interests

Short Positions

Number

(%)

Number

(%)

(1)

Relevant securities owned

and/or controlled:

2,277,335

0.92%

1,621,758

0.65%

(2)

Cash-settled derivatives:

and/or controlled:

1,547,320

0.62%

2,265,146

0.91%

(3)

Stock-settled derivatives (including options)

and agreements to purchase/sell:

0

0.00%

0

0.00%

TOTAL:

3,824,655

1.54%

3,886,904

1.57%

(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

10p ordinary

Purchase

572,669

4.7347 GBP

4.6834 GBP

10p ordinary

Sale

566,158

4.7860 GBP

4.6600 GBP

(b)

Cash-settled derivative transactions

Class of

Product

Nature of dealing

Number of

Price per

relevant

description

reference

unit

security

securities

10p ordinary

SWAP

Decreasing Long

5,200

4.7267 GBP

10p ordinary

SWAP

Increasing Short

7,459

4.7280 GBP

10p ordinary

SWAP

Increasing Short

17

4.6828 GBP

10p ordinary

SWAP

Increasing Short

355

4.7093 GBP

10p ordinary

SWAP

Increasing Short

715

4.6962 GBP

10p ordinary

SWAP

Decreasing Long

36,696

4.7280 GBP

10p ordinary

SWAP

Decreasing Short

2,154

4.7279 GBP

10p ordinary

SWAP

Closing Long

10,592

4.7280 GBP

10p ordinary

SWAP

Increasing Short

6,985

4.7282 GBP

10p ordinary

SWAP

Decreasing Long

16,215

4.7089 GBP

10p ordinary

SWAP

Decreasing Short

61,305

4.6893 GBP

10p ordinary

SWAP

Decreasing Short

5,925

4.7279 GBP

10p ordinary

CFD

Opening Long

2,225

4.7276 GBP

10p ordinary

CFD

Decreasing Short

5,930

4.7391 GBP

10p ordinary

CFD

Opening Long

1,886

4.7252 GBP

10p ordinary

CFD

Decreasing Long

203

4.6687 GBP

10p ordinary

SWAP

Increasing Short

1,052

4.6909 GBP

10p ordinary

SWAP

Increasing Long

27,604

4.7280 GBP

10p ordinary

SWAP

Increasing Short

2,395

4.7263 GBP

10p ordinary

SWAP

Increasing Short

346

4.7100 GBP

10p ordinary

SWAP

Increasing Short

25,228

4.7279 GBP

10p ordinary

SWAP

Decreasing Long

885

4.7283 GBP

10p ordinary

SWAP

Decreasing Short

41,610

4.6992 GBP

10p ordinary

SWAP

Decreasing Short

4,537

4.7280 GBP

10p ordinary

CFD

Decreasing Short

31,885

4.7276 GBP

10p ordinary

SWAP

Increasing Short

90,095

4.7004 GBP

10p ordinary

SWAP

Increasing Short

6,180

4.6998 GBP

10p ordinary

SWAP

Decreasing Short

314

4.7191 GBP

10p ordinary

SWAP

Decreasing Short

11,778

4.7280 GBP

10p ordinary

SWAP

Decreasing Short

727

4.6758 GBP

10p ordinary

SWAP

Decreasing Short

4,166

4.7235 GBP

10p ordinary

SWAP

Increasing Short

9,844

4.7161 GBP

10p ordinary

SWAP

Decreasing Short

9,912

4.7280 GBP

10p ordinary

SWAP

Increasing Short

2,450

4.6890 GBP

10p ordinary

SWAP

Increasing Short

908

4.7135 GBP

10p ordinary

SWAP

Decreasing Short

769

4.6888 GBP

10p ordinary

SWAP

Decreasing Short

2,307

4.7179 GBP

10p ordinary

SWAP

Decreasing Short

631

4.7860 GBP

10p ordinary

SWAP

Increasing Short

3,595

4.7166 GBP

10p ordinary

SWAP

Decreasing Short

4,891

4.7090 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