Director/PDMR Shareholding

1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Patrick André

2

Reason for the notification

a)

Position/status

Chief Executive Officer

b)

Initial notification /Amendment

Initial notification

3

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

a)

Name

Vesuvius plc

b)

LEI

213800ORZ521W585SY02

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Vesuvius plc 10 pence ordinary shares

Identification code

ISIN: GB00B82YXW83

b)

Nature of the transaction

Vesting of nil cost award granted in 2023 for the Vesuvius Deferred Share Bonus Plan (DSBP) and dividend equivalent shares.

c)

Price(s) and volume(s)

Price(s)

Volume(s)

Nil

70,737

d)

Aggregated information

- Aggregated volume

70,737

- Price

£3.953

- Total

£279,623

e)

Date of the transaction

7 April 2026

f)

Place of the transaction

London - outside a trading venue

4

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

a)

Description of the financial instrument, type of instrument

Vesuvius plc 10 pence ordinary shares

Identification code

ISIN: GB00B82YXW83

b)

Nature of the transaction

Sale of sufficient shares (pursuant to the vesting of the DSBP award granted in 2023) to pay tax withholdings.

c)

Price(s) and volume(s)

Price(s)

Volume(s)

£3.953

33,314

d)

Aggregated information

- Aggregated volume

33,314

- Price

£3.953

- Total

£131,690

e)

Date of the transaction

7 April 2026

f)

Place of the transaction

London Stock Exchange (XLON)