Transaction in Own Shares

2 January 2024

Vesuvius plc

Share Buyback Programme – Transactions in Own Securities

Vesuvius plc (the "Company") announces that it has purchased the following number of its Ordinary Shares of 10p each from Jefferies International Limited (the “Broker”), pursuant to the terms of its Share Buyback Programme announced on 4 December 2023:

Date of purchase:	29/12/2023

Number of ordinary shares purchased:	7,903

Highest price paid per share (pence per share):	482.80p

Lowest price paid per share (pence per share):	479.20p

Volume weighted average price paid per share (pence per share):	481.08p

The Ordinary Share purchases have been made accordance with the authority granted by shareholders at the 2023 Annual General Meeting. The Company intends to cancel these Ordinary Shares. Following the purchase, settlement and cancellation of these shares, the Company will have 270,538,190 Ordinary Shares of 10p each in issue (excluding 7,271,174 Ordinary Shares held in Treasury). Therefore, the total voting rights in the Company will be 270,538,190. This figure may be used by shareholders (and others with notification obligations) as the denominator for the calculations by which they will determine if they are required to notify their interest in, or a change to their interest in, the Company under the FCA's Disclosure Guidance and Transparency Rules.

In accordance with Article 5(1)(b) of Regulation (EU) No 596/2014 as it applies in the UK (the Market Abuse Regulation), the table below contains detailed information of the individual trades made by Jefferies International Limited as part of the Share Buyback Programme.

Since the commencement of the Share Buyback Programme to repurchase up to £50 million of Ordinary Shares, as announced on 4 December 2023, the Company has purchased 675,707 Ordinary Shares for a consideration of £3,095,580.62.

For further information, please contact:
Enquiries:
Vesuvius plc	Rachel Stevens, Head of Investor Relations	+44 (0) 7387 545 271

This announcement does not constitute, or form part of, an offer or any solicitation of an offer for securities in any jurisdiction.

Schedule of Purchases

Aggregate information:

Trading Venue	Weighted average price (pence per share)	Aggregate volume
London Stock Exchange (LSE)	481.22p	3,740
Chi-X (CHIX)	481.01p	1,818
BATE (BATE)	481.14p	976
Aquis (AQXE)	480.61p	963
Turquoise (TRQX)	481.11p	406

Transaction Details:

Issuer name:	Vesuvius plc
ISIN:	GB00B82YXW83
Intermediary name:	Jefferies International Limited
Intermediary code:	JEFFGB2XXXX
Time zone:	UKT
Currency:	GBP

Individual Transactions:

Number of shares purchased	Transaction price (pence per share)	Time of transaction	Transaction reference number	Trading venue
107	480.40	8:51:01 AM	00383762359TRLO0.1.1	AQXE
71	480.40	8:51:01 AM	00383762360TRLO0.1.1	BATE
331	480.40	8:51:01 AM	00383762361TRLO0.1.1	CHIX
187	480.40	8:51:01 AM	00383762362TRLO0.1.1	BATE
41	480.40	8:51:01 AM	00383762363TRLO0.1.1	XLON
724	480.40	8:51:01 AM	00383762364TRLO0.1.1	XLON
75	480.40	8:51:01 AM	00383762365TRLO0.1.1	XLON
2	482.80	9:42:52 AM	00383765128TRLO0.1.1	XLON
9	482.80	9:42:52 AM	00383765127TRLO0.1.1	XLON
6	482.80	9:50:11 AM	00383765705TRLO0.1.1	XLON
134	482.80	9:50:17 AM	00383765711TRLO0.1.1	XLON
6	482.80	9:50:17 AM	00383765712TRLO0.1.1	XLON
7	482.80	9:50:20 AM	00383765720TRLO0.1.1	XLON
7	482.80	9:50:24 AM	00383765727TRLO0.1.1	XLON
8	482.80	9:50:30 AM	00383765733TRLO0.1.1	XLON
9	482.80	9:50:34 AM	00383765737TRLO0.1.1	XLON
9	482.80	9:50:41 AM	00383765753TRLO0.1.1	XLON
11	482.80	9:51:05 AM	00383765783TRLO0.1.1	XLON
26	482.80	9:55:28 AM	00383765994TRLO0.1.1	XLON
10	482.80	9:58:09 AM	00383766142TRLO0.1.1	XLON
6	481.60	10:03:46 AM	00383766526TRLO0.1.1	XLON
51	480.40	10:15:27 AM	00383767280TRLO0.1.1	TRQX
7	480.40	10:15:27 AM	00383767281TRLO0.1.1	TRQX
58	480.40	10:15:27 AM	00383767282TRLO0.1.1	TRQX
840	480.40	10:15:27 AM	00383767283TRLO0.1.1	XLON
107	480.20	10:15:29 AM	00383767285TRLO0.1.1	AQXE
107	480.20	10:15:29 AM	00383767286TRLO0.1.1	AQXE
189	479.20	10:15:29 AM	00383767287TRLO0.1.1	CHIX
518	482.40	10:49:58 AM	00383769613TRLO0.1.1	XLON
143	482.40	10:50:05 AM	00383769622TRLO0.1.1	CHIX
406	482.40	11:01:02 AM	00383770460TRLO0.1.1	CHIX
65	482.20	11:45:09 AM	00383773065TRLO0.1.1	XLON
65	482.20	11:45:14 AM	00383773068TRLO0.1.1	XLON
45	482.00	11:45:33 AM	00383773075TRLO0.1.1	XLON
100	481.40	11:57:33 AM	00383773983TRLO0.1.1	XLON
100	481.40	11:57:38 AM	00383773984TRLO0.1.1	XLON
97	481.40	11:57:38 AM	00383773985TRLO0.1.1	XLON
4	481.40	11:57:41 AM	00383773988TRLO0.1.1	AQXE
100	481.40	11:57:41 AM	00383773989TRLO0.1.1	XLON
100	481.40	11:57:48 AM	00383773996TRLO0.1.1	XLON
149	481.40	11:57:48 AM	00383773997TRLO0.1.1	XLON
100	481.40	11:57:52 AM	00383774006TRLO0.1.1	XLON
100	481.40	11:57:58 AM	00383774007TRLO0.1.1	XLON
280	480.60	11:58:00 AM	00383774011TRLO0.1.1	CHIX
100	481.40	11:58:01 AM	00383774012TRLO0.1.1	XLON
100	481.40	11:58:07 AM	00383774020TRLO0.1.1	XLON
100	481.40	11:58:38 AM	00383774042TRLO0.1.1	TRQX
116	481.40	11:59:52 AM	00383774096TRLO0.1.1	TRQX
74	481.40	12:00:56 PM	00383774204TRLO0.1.1	TRQX
88	481.40	12:01:52 PM	00383774276TRLO0.1.1	AQXE
43	481.40	12:08:06 PM	00383774571TRLO0.1.1	AQXE
6	481.40	12:18:53 PM	00383775204TRLO0.1.1	AQXE
71	481.40	12:21:05 PM	00383775374TRLO0.1.1	XLON
107	480.80	12:23:03 PM	00383775515TRLO0.1.1	CHIX
54	481.40	12:24:37 PM	00383775598TRLO0.1.1	BATE
150	480.60	12:25:45 PM	00383775672TRLO0.1.1	AQXE
150	480.60	12:25:45 PM	00383775673TRLO0.1.1	AQXE
150	480.60	12:25:45 PM	00383775674TRLO0.1.1	AQXE
51	480.60	12:25:45 PM	00383775675TRLO0.1.1	AQXE
150	480.80	12:25:45 PM	00383775676TRLO0.1.1	CHIX
23	480.80	12:25:45 PM	00383775677TRLO0.1.1	CHIX
189	480.80	12:25:45 PM	00383775678TRLO0.1.1	CHIX
9	481.40	12:29:34 PM	00383776039TRLO0.1.1	BATE
70	481.40	12:29:34 PM	00383776040TRLO0.1.1	BATE
78	481.40	12:29:34 PM	00383776041TRLO0.1.1	BATE
95	481.40	12:29:34 PM	00383776042TRLO0.1.1	BATE
10	481.40	12:29:34 PM	00383776043TRLO0.1.1	BATE
46	481.40	12:29:34 PM	00383776044TRLO0.1.1	BATE
34	481.40	12:29:57 PM	00383776100TRLO0.1.1	BATE
130	481.40	12:29:57 PM	00383776101TRLO0.1.1	BATE
34	481.40	12:29:57 PM	00383776102TRLO0.1.1	BATE
73	481.40	12:29:57 PM	00383776103TRLO0.1.1	BATE
85	481.40	12:29:57 PM	00383776104TRLO0.1.1	BATE

About Vesuvius plc

Vesuvius is a global leader in molten metal flow engineering and technology principally serving process industries operating in challenging high temperature conditions.

We develop innovative and customised solutions, often used in extremely demanding industrial environments, which enable our customers to make their manufacturing processes safer, more efficient and more sustainable. These include flow control solutions, advanced refractories and other consumable products and increasingly, related technical services including data capture.

We have a worldwide presence. We serve our customers through a network of cost-efficient manufacturing plants located close to their own facilities, and embed our industry experts within their operations, who are all supported by our global technology centres.

Our core competitive strengths are our market and technology leadership, strong customer relationships, well established presence in developing markets and our global reach, all of which facilitate the expansion of our addressable markets.

Our ultimate goal is to create value for our customers, and to deliver sustainable, profitable growth for our shareholders giving a superior return on their investment whilst providing each of our employees with a safe workplace where they are recognised, developed and properly rewarded.

We think beyond today to create solutions that will shape the future.

Vesuvius plc, 165 Fleet Street, London EC4A 2AE

Registered in England and Wales No. 8217766

LEI: 213800ORZ521W585SY02

www.vesuvius.com