NYSE Confirms Orbital's Compliance With Continued Listing Criterion

PERTH, Australia, Oct. 9, 2003 -- In January 2003, Orbital announced that the New York Stock Exchange (NYSE) had accepted the Company's submission of a business plan to demonstrate likely compliance with the NYSE's continued listing standards relating to market capitalization and stockholders' equity subject to the company's American Depositary Shares trading above US$1.00.

Orbital has recently received confirmation from the NYSE that the Company is no longer considered below the US$1 continued listing criterion. The NYSE will continue to monitor the Company's progress over the next seven months with respect to the minimum market capitalization and stockholders equity listing standards, recognizing that Orbital's market capitalisation currently exceeds US$50 million.

Orbital is a leading international developer of engine technologies using direct in-cylinder fuel injection and lean-burn systems for enhanced fuel economy and lower emissions. The company serves the worldwide automotive, marine, recreational and motorcycle markets. Headquartered in Perth, Western Australia, Orbital stock is traded on the Australian Stock Exchange (OEC), the New York Stock Exchange (OE) as well as the Berlin (ORE) and Frankfurt (OREA) Exchanges.

   CONTACTS:  Email - info@orbeng.com   Website -- www.orbeng.com
              Australia Tel: +61-8-9441-2311, or USA Tel: 1866-714-0668
              Mr. Keith Halliwell, Chief Financial Officer