Director/PDMR Shareholding and Holding in Company

KleenAir Systems International plc (the "Company") Holdings in Company and Director's Dealing The Company was informed on 1 May 2007 that Bramley Limited, ('Bramley') a company owned by a discretionary trust of which Lionel Simons, the Chairman of the Company, and his family, are potential beneficiaries, sold 259,227 Ordinary 1p shares at 19.5p per share on 27 April 2007 and 588 shares at 17p on 13 April 2007. The sales were made through the market by Falcon Securities, the Company's broker. The gross proceeds of these disposals are £50,649. Bramley has in turn agreed to make available a portion of the proceeds of these disposals to the Company by way of a standby credit facility (the 'Facility'). These funds will be used to provide working capital to support the currently increasing order flow for emission reduction products; Bramley is in discussions with the Company about the exact size and terms of the Facility, but these will be on arms length, commercial terms. Following the disposals, Bramley will hold 966,696 Ordinary Shares, representing 4.88% of the voting rights of the Company. Lionel Simons will now have beneficial interests in a total of 1,966,696 Ordinary Shares, representing 9.93% of the voting rights of the Company. The Company has been notified by Wills & Co Stockbrokers Limited ("Wills") of the following movements in Wills' holding in the Company's Ordinary Shares. 12 April 2007 (Notification made on 16 April 2007) The purchase of 882,353 Ordinary Shares; this increased their holding to 1,226,689 Ordinary Shares; this is equivalent to 6.19% of the Ordinary Shares. 16 April 2007(Notification made on 17 April 2007) A reduction of their holding to 1,050,689 Ordinary Shares; this is equivalent to 5.30% of the Ordinary Shares. 18 April 2007(Notification made on 19 April 2007) A reduction of their holding to 716,442 Ordinary Shares; this is equivalent to 3.62% of the Ordinary Shares. Dated: 9 May 2007 For further information please contact: Peter Newell 07786 333 046 peter.newell@kleenairsystems.co.uk Nick Harriss 020 7512 0191 ARM Corporate Finance Ltd
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