Result of AGM

Press Release

Synairgen plc

Result of AGM

Southampton, UK - 10 November 2011: The Board of Synairgen plc (LSE: SNG) announces that at the Annual General Meeting held today all resolutions proposed were duly passed by shareholders.

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For further information, please contact:

Synairgen plc +44 (0) 23 8051 2800

Richard Marsden, Chief Executive Officer

John Ward, Finance Director

FinnCap

Geoff Nash, Christopher Raggett (Corporate Finance) +44 (0) 20 7220 0500

Stephen Norcross, Simon Starr (Corporate Broking)

Threadneedle Communications +44 (0) 20 7653 9850

Graham Herring

Josh Royston