Ex-Dividend Date

FOR IMMEDIATE RELEASE 30 January 2015

Ex-dividend date

In accordance with revised market practice, Porvair notes that the ex-dividend date for it final dividend, payable on 5 June 2015 to shareholders on the register on 1 May 2015, will be 30 April 2015.

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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.