Holding in Company

22nd November 2010 AVATION PLC ('AVATION' OR THE 'COMPANY') NOTIFICATION OF SIGNIFICANT SHAREHOLDINGS The Board of Avation Plc has received notification on 19th November 2010 that Credit Suisse Securities (Europe) Ltd., now has an interest in 1,583,244 shares in the Company and advises that this interest amounts to 5.549% of the issued voting shares of the Company. The directors take responsibility for the contents of this announcement. ---ENDS--- ENQUIRES: AVATION PLC 07783 942 553 Jeff Chatfield, Chairman ADVISOR 020 7628 1128 Frank Lucas/ Jonathan Willis-Richards Loeb Aron & Company Ltd. WEBSITE www.avation.net Avation plc Avation plc

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Avation (AVAP)
UK 100

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