Notice of Annual General Meeting; Accounts posting

14 March 2025

Porvair plc

("Porvair" or the "Company")

Posting of 2024 Annual Report and Accounts andPublication of the Notice of Annual General Meeting

Porvair has today, made its Annual Report and Accounts for the year ended 30 November 2024 and its Notice of the 2025 Annual General Meeting available to shareholders on its website at www.porvair.com/investors. It will, today, post or email a Notice of Availability letter to its shareholders.

The Annual General Meeting will be held at 11:00 a.m. on Tuesday 15 April 2025 at the offices of Burson Buchanan, 107 Cheapside, London, EC2V 6DN.

Shareholders are encouraged to vote by proxy in advance of the meeting by following the instructions in the Notice of Availability letter. 

Copies of the Annual Report and Accounts for the year ended 30 November 2024 and the Notice of the 2025 Annual General Meeting will be submitted to the National Storage Mechanism and will shortly be available for inspection at https://data.fca.org.uk/#/nsm/nationalstoragemechanism.

In accordance with DTR 6.3.5(1A), the unedited full text of the regulated information required to be made public under DTR 4.1 is contained within the Annual Report and Accounts for the year ended 30 November 2024.

The text of the email Notice of Availability is shown in the appendix to this release.

Notes to Editors

Porvair is a group of specialist filtration, laboratory and environmental technology businesses. Its businesses design and manufacture a range of bespoke consumable filtration products that are used in a range of niche filtration markets. It operates in three divisions: Aerospace & Industrial; Laboratory; and Metal Melt Quality.

The text of the email Notice of Availability letter

The Annual Report and Accounts for the year ended 30 November 2024 is now available. This can be accessed from our website: www.porvair.com.  The Investor tab on the website includes Company reports and presentations and has a range of other shareholder services that you may find useful.

Annual General Meeting

The Company's Annual General Meeting will be held at 11:00 a.m. on Tuesday 15 April 2025 at the offices of Burson Buchanan, 107 Cheapside, London, EC2V 6DN. The purpose of the AGM is to seek shareholders' approval for the resolutions set out in the Notice of the AGM.

The Notice of the 2025 AGM has now been published on the Company's website at www.porvair.com/investors/agm. The Directors consider that the proposed resolutions contained in the Notice of AGM are in the best interests of the Company and shareholders as a whole and unanimously recommend that you vote in favour of them, as they intend to do in respect of their own shareholdings.

The AGM is an important event in the Company's corporate calendar. It provides the Board with an opportunity to engage with shareholders. We encourage you to attend to meet the Board and find out more about the Company.

If you have questions which you would like to discuss in advance of the AGM, please email them to me at [email protected] by no later than 11:00 a.m. on Friday 11 April 2025. I will pass your questions on to the appropriate person at the Company, who will endeavour to respond as soon as practicable. Responses will either be made by return email or published on our investors' website at www.porvair.com/investors, as deemed appropriate by the Board.

Proxy Voting

Whether or not you are able to attend the Annual General Meeting, please submit your vote electronically using the link from www.signalshares.com. You will need to log into your Signal Shares account, or register if you have not previously done so. To register you will need your Investor Code; this is detailed on your share certificate or is available from our Registrar, MUFG Corporate Markets (previously Link Group). Once registered, you will immediately be able to vote.

Appointing a proxy prior to the AGM does not affect your right to attend the AGM and vote in person should you so wish.  Proxy votes must be received no later than 11:00 a.m. on Friday 11 April 2025.

If you need help with voting online or require a hard copy form of proxy, please contact our Registrar, MUFG Corporate Markets, on Tel: 0371 664 0300. Calls are charged at the standard geographic rate and will vary by provider. Calls outside the United Kingdom will be charged at the applicable international rate. Lines are open between 09:00 - 17:30, Monday to Friday excluding public holidays in England and Wales. Or email MUFG Corporate Markets at [email protected].

Thank you for your continued support as a shareholder of Porvair plc.