RNS Number:3328I
Antonov PLC
01 September 2006

                                  Antonov plc
                          ("Antonov" or the "Company")

                        Result of validity case hearing

The Board of Antonov plc announces that the Federal Patent Court in Munich has
not upheld the validity of the German part of Antonov's patent (EP0414782)
against Toyota.

This patent was due to expire in 2009 and covers the use of a drivetrain which
balances the drive from an engine and an electric motor with the load from a
vehicle and a generator.

Antonov will be considering its options in the light of this ruling, and will
make further announcements regarding what action will now be taken.

Although the Board is disappointed by this decision, legal action was deemed
appropriate by senior legal counsel and minimal costs were incurred under the
German legal system. Provision for these costs has already been allocated with
no revenue attributed to a successful outcome.

This ruling does not impact upon the Company's other patents. Established
programmes continue unaffected, including the commercial launch of the
Supercharger drive and re-planning work for its programme with Great Wall Motor
Company Limited, as reported in its recent interim results announcement


John Moore, CEO, Antonov plc                                +44 1842 768 320
Jos Haag, Antonov plc                                       +31 651 561 767
David Rae, Dawnay, Day Corporate Finance Limited            +44 207 509 4570
Shane Dolan, Biddicks                                       +44 207 448 1000

                      This information is provided by RNS
            The company news service from the London Stock Exchange


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