Porvair Regulatory News (PRV)

22 June 2017

Porvair plc ("Porvair" or the "Company")

Additional Listing

Application has been made to the UK Listing Authority and the London Stock Exchange for a block listing of 600,531 ordinary shares of 2 pence each in the Company ("Ordinary Shares") ("Block Listing Shares") to be admitted to the Official List and to trading on the London Stock Exchange ("Admission"). The Block Listing Shares will rank pari passu with the existing issued Ordinary Shares.

The Block Listing Shares are to be issued under the following schemes:

Admission is expected to occur on 26 June 2017.

For further information, please contact:

Porvair plc 01553 765 500

Chris Tyler, Group Finance Director

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.