1

Details of the person discharging managerial responsibilities / person closely associated

a)

Name

Mark Collis

2

Reason for the notification

a)

Position/status

Chief Financial 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

Dividend reinvestment plan - evergreen reinvestment of Vesuvius plc dividend income to purchase Vesuvius ordinary shares by Mark Collis and by Mrs K Collis.

c)

Price(s) and volume(s)

Price(s)

Volume(s)

£4.41

3,214

£4.41

439

d)

Aggregated information

- Aggregated volume

3,653

- Price

£4.41

-    Aggregated total

£16,110

e)

Date of the transaction

8 July 2026

f)

Place of the transaction

London Stock Exchange (XLON)