Porvair Regulatory News (PRV)

For immediate release 10 March 2017

2016 Annual Report and Accounts, Notice of Annual General Meeting

Change of Auditor

Porvair plc ("Porvair" or "Company"), the specialist filtration and environmental technology group has today, 10 March 2017, submitted copies of: its Annual Report and Accounts for the financial year ended 30 November 2016; the Notice of Annual General Meeting of the Company; a letter from PricewaterhouseCoopers LLP giving a statement of circumstances connected with ceasing to hold office as auditors; and a letter from the Company Secretary explaining the circumstances of the auditor's resignation (the "Shareholder Documents") to the National Storage Mechanism. The Shareholder documents will shortly be available for inspection at: http://www.morningstar.co.uk/uk/NSM.

Following a competitive tender process, the Company has appointed Deloitte LLP as auditor for the financial year ending 30 November 2017. The Company will put the appointment of Deloitte LLP to a vote of shareholders at the Company's Annual General Meeting in April 2017.

PricewaterhouseCoopers LLP has resigned as the Company's auditor with effect from 6 March 2017. As required by section 519 of the Companies Act 2006, PricewaterhouseCoopers LLP has deposited a statement with the Company confirming that there are no matters in connection with its resignation as auditor that should be drawn to the attention of the Company's members or creditors. The reason for the resignation being the result of a tender process. It was mutually agreed between PricewaterhouseCoopers LLP and the Audit Committee that PricewaterhouseCoopers LLP would not participate in the tender process because of the previous length of their tenure.

The Board thanks PricewaterhouseCoopers LLP for its services and support over many years.

The Shareholder Documents will also be available via the Company's website at www.porvair.com and from the Company's registered office at 7 Regis Place, King's Lynn, Norfolk, PE30 2JN.

Hard copy versions of the Shareholder Documents have today been posted to shareholders who have elected to receive them in paper form.

The Company's Annual General Meeting will be held at 10.30 a.m. on Tuesday 11 April 2017 at the offices of Porvair Filtration Group Limited, 1 Concorde Close, Segensworth, Fareham, Hampshire, PO15 5RT.

For further information, please contact:

Notes to Editors

Porvair is a group of specialist filtration 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. Its principal markets are aviation, energy and industrial process, environmental laboratories and non-ferrous metals.