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 relevant securities this form relates:

VESUVIUS PLC

(c)

Name of the party to the offer with which exempt principal trader is connected

RHI MAGNESITA N.V.

(d)

Date position held/dealing undertaken:

21 Oct 2026

(e)

In addition to the company in 1(b) above, is the exempt principal trader making disclosures in respect of any other party to the offer?

YES: 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:

1,872,738

0.75%

1,865,097

0.75%

(2) Cash-settled derivatives:

1,778,118

0.72%

1,853,573

0.75%

(3) Stock-settled derivatives (including options) and agreements to purchase/sell:

0

0.00%

0

0.00%

  TOTAL:

3,650,856

1.47%

3,718,670

1.50%

(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)

Purchase and sales

Class of relevant security

Purchase/sale

Total number of securities

Highest price per unit paid/received

Lowest price per unit paid/received

10p ordinary

Purchase

254482

4.6342 GBP

4.5860 GBP

10p ordinary

Sale

185920

4.6466 GBP

4.5860 GBP

(b)

Cash-settled derivative transactions

Class of relevant security

Product description

Nature of dealing

Number of reference securities

Price per unit

10p ordinary

SWAP

Increasing Long

1,100

4.6341 GBP

10p ordinary

SWAP

Increasing Long

3,200

4.6236 GBP

10p ordinary

SWAP

Decreasing Short

505

4.6439 GBP

10p ordinary

SWAP

Decreasing Short

1,005

4.6241 GBP

10p ordinary

SWAP

Decreasing Short

138

4.6196 GBP

10p ordinary

SWAP

Decreasing Short

187

4.6229 GBP

10p ordinary

SWAP

Increasing Short

6,021

4.6252 GBP

10p ordinary

SWAP

Decreasing Long

9,930

4.5860 GBP

10p ordinary

SWAP

Increasing Long

3

4.6240 GBP

10p ordinary

SWAP

Increasing Long

2,300

4.6120 GBP

10p ordinary

SWAP

Closing Long

69,900

4.6120 GBP

10p ordinary

SWAP

Opening Long

2,990

4.6166 GBP

10p ordinary

CFD

Decreasing Long

43

4.6523 GBP

10p ordinary

SWAP

Increasing Short

5,669

4.6084 GBP

10p ordinary

SWAP

Opening Short

42

4.5860 GBP

10p ordinary

SWAP

Decreasing Long

5,420

4.5861 GBP

10p ordinary

SWAP

Decreasing Short

2,939

4.6189 GBP

10p ordinary

SWAP

Decreasing Short

4,078

4.6276 GBP

10p ordinary

SWAP

Decreasing Long

714

4.5860 GBP

10p ordinary

SWAP

Decreasing Long

1,963

4.5860 GBP

10p ordinary

CFD

Increasing Long

974

4.6097 GBP

10p ordinary

SWAP

Decreasing Long

13,613

4.5861 GBP

10p ordinary

SWAP

Decreasing Short

5,688

4.6294 GBP

10p ordinary

SWAP

Increasing Long

1,368

4.6227 GBP

10p ordinary

SWAP

Increasing Long

1,754

4.6285 GBP

10p ordinary

SWAP

Decreasing Long

14,504

4.6214 GBP

10p ordinary

SWAP

Decreasing Short

1,367

4.6117 GBP

10p ordinary

SWAP

Increasing Long

1,918

4.5860 GBP

10p ordinary

SWAP

Increasing Long

790

4.5860 GBP

10p ordinary

SWAP

Increasing Long

473

4.6292 GBP

10p ordinary

SWAP

Increasing Long

10,126

4.6251 GBP

10p ordinary

SWAP

Increasing Long

487

4.6280 GBP

10p ordinary

SWAP

Increasing Long

11,423

4.6270 GBP

(c)

Stock-settled derivative transactions (including options)

(i)

Writing, selling, purchasing or varying

Class of relevant security

Product description

Writing, purchasing, selling, varying etc

Number of securities to which option relates

Exercise price per unit

Type

Expiry date

Option money paid/ received per unit

(ii)

Exercising

Class of relevant security

Product description

Exercising/ exercised against

Number of securities

Exercise price per unit

(d)

Other dealings (including subscribing for new securities)

Class of relevant security

Nature of Dealings

Details

Price per unit (if 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:

22 Oct 2026

Contact name:

Large Holdings Regulatory Operations

Telephone number:

020 3134 7213