Publication of Prospectus

AVATION PLC
                                       ("Avation" or the "Company")

                                               25 March 2011

THIS ANNOUNCEMENT AND THE INFORMATION CONTAINED HEREIN IS RESTRICTED AND IS NOT FOR RELEASE, PUBLICATION OR
DISTRIBUTION, DIRECTLY OR INDIRECTLY, IN WHOLE OR IN PART, IN OR INTO THE UNITED STATES, AUSTRALIA, CANADA,
            JAPAN OR SOUTH AFRICA OR ANY OTHER JURISDICTION IN WHICH THE SAME WOULD BE UNLAWFUL

                                         Publication of Prospectus

Further to the Company's announcement on 9 March 2011 in relation to the placing of 10,000,000 new ordinary
shares  in  the  capital of the Company at a price of 100 pence per share (the "Placing  Shares"),  Avation
announces  that  a prospectus dated 25 March 2011 (the "Prospectus") has been approved by  the  UK  Listing
Authority (the "UKLA") and has subsequently been published.

A  copy  of the Prospectus will shortly be submitted to the UKLA's National Storage Mechanism and  will  be
available for inspection at www.Hemscott.com/nsm.do.

The  Prospectus is to be made available in a printed form, free of charge, at the Company's office and  the
office of W H Ireland Limited, at the addresses set out below:

             Avation PLC                              W H Ireland Limited

             Georgian House                           24 Martin Lane
             63 Coleman Street                        London EC4R 0DR
             London EC2R 5BB                          United Kingdom
             United Kingdom

In   addition,   the  Prospectus  will  shortly  be  available  to  view  on  the  Company's   website   at
http://www.avation.net/prospectus or a hard copy can be obtained from the Company on request.

The directors of the Company take responsibility for the contents of this announcement.

ENQUIRIES

Avation PLC:                                  

Jeff Chatfield (Chairman)                               [phone]

WH Ireland Limited:                                                        

Harry Ansell (Stockbroker)                              [phone]
James Joyce (Stockbroker)                               [phone]

Financial Public Relations:                                                

Bishopsgate Communications                              [phone]
Laura Stevens/Giang Nguyen                                                 

Avation PLC

DISCLAIMER

This  announcement  does  not  constitute  an offer to sell or an  invitation  to  subscribe  for,  or  the
solicitation  of  an offer or invitation to buy or subscribe for, Placing Shares in any jurisdiction  where
such  an  offer  or solicitation is unlawful or would impose any unfulfilled registration,  publication  or
approval requirements on the Company and/or WH Ireland Limited (in its capacity as the placing agent).

The  distribution of this announcement in jurisdictions other than the United Kingdom, including the United
States, Australia, Canada, India, Japan, New Zealand or the Republic of South Africa, may be restricted  by
law  and therefore persons into whose possession this announcement comes should inform themselves about and
observe  any  of those restrictions. Any failure to comply with any of those restrictions may constitute  a
violation of the securities laws of any such jurisdiction.

The  Placing Shares will not be registered under the US Securities Act of 1933, as amended (the "Securities
Act")  or  under  the  relevant  laws of any state or other jurisdiction of  the  United  States  or  under
applicable  securities  laws of any state, province or territory of Australia, Canada,  India,  Japan,  New
Zealand or the Republic of South Africa and, accordingly, subject to certain exceptions, the Placing is not
being made, and none of the Placing Shares may be offered, sold, resold, delivered or transferred, directly
or  indirectly, in or into the United States, Australia, Canada, India, Japan, New Zealand or the  Republic
of  South  Africa or any other jurisdiction where such offer or sale would violate the relevant  securities
laws of such jurisdiction.

WH  Ireland  Limited, which is authorised and regulated by the Financial Services Authority of  the  United
Kingdom,  is  acting exclusively for the Company and for no one else as placing agent in  relation  to  the
Placing  and  the  listing of the Placing Shares on the Official List of the UKLA and  their  admission  to
trading  on  the London Stock Exchange's main market for listed securities, and will not be responsible  to
any  other person for providing the protections afforded to clients of WH Ireland Limited nor for providing
advice  in  connection  with  the Placing, proposed listing or admission to trading  or  contents  of  this
announcement or any other matters referred to in this announcement.

Avation plc