Exercise of Warrants and Total Voting Rights

29 August 2013

Clean Air Power Limited

("Clean Air Power" or the "Company")

Exercise of Warrants and

Total Voting Rights

Clean Air Power (AIM:CAP), the developer and global leader in Dual-Fuel engine management software for heavy-duty vehicles announces that it has issued and allotted 944,510 new common shares of US$0.001 each in the Company ('Common Shares') pursuant to the exercise of warrants held by Peat & Co.

Application has been made to the London Stock Exchange for the 944,510 new Common Shares to be admitted to trading on AIM on 3 September 2013 ("Admission"). Following Admission, the number of Common Shares in issue, and the total number of voting rights, will have increased to 229,945,979. This is the figure which may be used by shareholders in the Company as the denominator for the calculations in which they will determine if they are required to notify their interest in, or a change in their interest in, the share capital of the Company under the FSA's Disclosure and Transparency Rules.

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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.

Initially founded in the USA in 1991, around £50m has been invested in developing the technology with the result that 65 patents are currently held or pending. The holding company of the Group is based in Bermuda with operational subsidiaries in the UK, the USA and Australia. The Group was admitted to the AIM market of the London Stock Exchange in February 2006.

Further information on Clean Air Power is available at www.cleanairpower.com