Distribution for the Six Month Period Ending 30 June 2005

17 June 2005

Macquarie Infrastructure Group (MIG) today announced details of its 30 June 2005 distribution.

The cash distribution of 13.75 cents for the half year, ten cents of which relates to sale proceeds from the Cintra IPO, is in line with Directors' forecasts.

MIG expects to be able to provide indicative guidance on the components of the distribution shortly. Final numbers will be provided to investors in the Annual Tax Statement Summary and Tax Guide to be mailed to investors in August 2005.

MIG does not give tax advice and recommends that all security holders obtain their own tax advice in relation to the distribution.

A distribution and dividend reinvestment plan is in operation for this distribution. No discount will apply. Notice in relation to election to participate in the plan must be lodged with the Share Registry at Computershare Investor Services Pty Limited by 30 June 2005. Investors who wish to participate in the plan and have not previously done so can receive the election forms by contacting Computershare Investor Services on 1800 000 982.

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

Investor Enquiries
Bianca Francis
Investor Relations Manager
Tel: 61 2 8232 5007
Email: bianca.francis@macquarie.com