Director/PDMR Shareholding

Clean Air Power Ltd

 ("Clean Air Power" or "the Company")

Director's Shareholding

Clean Air Power Limited (AIM: CAP), the developer and provider of Dual-FuelTM combustion technology for heavy-duty diesel engines, announces that it has today been notified that Prof. Dr. Karl Viktor Schaller, a Director, acquired 8,750 common shares in the Company on 5 December 2011 at a price of 4p per share. Following this acquisition, his total shareholding is 49,631 shares being 0.04% of the issued ordinary share capital of the company.

For further information please contact:

Clean Air Power +44 (0)1772 624 499

John Pettitt, Chief Executive

Peter Rowse, Group Finance Director

Buchanan Communications +44 (0)20 7466 5000

Charles Ryland

Ben Romney

Seymour Pierce +44 (0)20 7107 8000

Freddy Crossley/

Mark Percy

David Banks (Corporate Broking)

Notes to Editors

About Clean Air Power

Clean Air Power is the developer and provider of Dual-Fuel™ combustion technology for heavy duty diesel engines. Dual-Fuel™ engines substantially cut fuel costs and carbon emissions without sacrificing the original engine's characteristic efficiency or reliability. Clean Air Power is well positioned to assist corporations and governments to deliver on their environmental commitments while at the same time reducing transport operators' overheads.