Directors' Shareholdings and

RNS Number : 5711A

Porvair PLC

02 February 2011

For immediate release 2 February 2011

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

Directors' Shareholdings and Issue of Equity

The Company was notified on 2 February 2011 of the following exercises of options over ordinary Porvair shares of 2 pence each ("Porvair Shares") by Ben Stocks, Chief Executive Officer, and Chris Tyler, Group Finance Director, pursuant to the Porvair Share Option Scheme 1997. These options had expiry dates between September 2011 and January 2012.

Director	Exercise price	Options exercised
Ben Stocks	98p	150,000
Chris Tyler	98p	100,000
Chris Tyler	101.5p	60,000

Ben Stocks has sold 135,500 of these new Porvair Shares at a price of 123 pence per share and Chris Tyler has sold 145,500 of these new Porvair Shares at a price of 123 pence per share in order to meet the cost of exercise and personal taxation liabilities.

Following these dealings, Ben Stocks is interested in 117,685 Porvair Shares, representing approximately 0.3 per cent. of the Company's issued share capital, and Chris Tyler is interested in 53,500 Porvair Shares, representing approximately 0.1 per cent. of the Company's issued share capital.

The Company has also been notified by other option holders of the exercise of options over a further 42,000 Porvair Shares in aggregate.

As a result of the above exercises of options, the Company has today issued in aggregate 352,000 new Porvair Shares. Application will be made for the new Porvair Shares, which rank pari passu with the Company's existing issued ordinary share capital, to be admitted to trading. It is expected that the admission of the new Porvair Shares to trading will occur on 8 February 2011.

Following the issue of the new Porvair Shares, the Company will have 42,425,640 ordinary shares in issue.

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