Distribution - 6 Month Period Ending 31 December 2004 - Estimate of Taxable Components

21 December 2004

In order to assist investors, Macquarie Infrastructure Group (MIG) provides the following guidance in relation to the taxable components of the proposed 63.75 per stapled security distribution for the 6 month period ending 31 December 2004.

These ranges are estimates only. The final numbers may vary depending on any variances in expected income or expenses during the remaining period to 30 June 2005, and completion of the year end audit.

Final details of the tax components of this distribution will be provided to investors in the Annual Tax Statement Summary and Tax Statement Guide to be mailed to investors in August 2005. MIG recommends that all investors obtain their own tax advice, if required, in relation to the distribution.

The distribution is payable in February 2005.

For further information, please contact:

Investor Enquiries
Peter Johnston
Head of Investor Relations
Mobile: (61) 413 994055
Email: peter.johnston@macquarie.com

Media Enquiries
Jane Rotsey
Public Affairs Manager
Mobile: (61) 401 997 160
Email: jane.rotsey@macquarie.com