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Daimler-Benz, Siemens Sign With Orbital

23 June 1998

Daimler-Benz, Siemens Sign With Orbital

    PERTH, Australia, June 23 -- Due to the numerous inquiries
following Friday's joint announcement with Daimler-Benz and Siemens, Orbital
would like to provide the following information.
    This agreement was signed by Orbital Engine Corporation, Daimler-Benz and
Siemens and is directed toward the application of Orbital's direct fuel
injection system on Mercedes engines.
    The following personnel can be contacted at Daimler-Benz, Siemens and
Orbital:

    Daimler-Benz           Siemens Automotive     Orbital Engine Corporation
    Stuttgart, Germany     Germany                Australia
    Dr. Stefan Kienzle     Mr. Gustav Mayert      Mr. Shaun Duffy
    +49-711-173-2057       +49-913-1746-489       +61-8-9441-2311

                           Auburn Hills, USA      United States
                           Mr. David Ladd         Ms. Roberta Saling
                           248-253-2642           517-423-1551

    In response to queries regarding Orbital's technology, Orbital would like
to state the following:

    1. The evolution towards direct injection technology has recently
escalated in the European and North American automotive markets.  This
technology is the logical response to growing demand for improved fuel
efficiency and tough new emissions regulations.
    2. There is potential for the technology to achieve rapid widespread
penetration of global automotive markets.