Macquarie Infrastructure Company to Conduct Conference Call and Webcast Covering Fourth Quarter 2012 Financial Results on

  Macquarie Infrastructure Company to Conduct Conference Call and Webcast
  Covering Fourth Quarter 2012 Financial Results on Thursday, February 21,
  2013

Business Wire

NEW YORK -- January 30, 2013

Macquarie Infrastructure Company (NYSE: MIC) will release its financial
results for the fourth quarter of 2012 after the close of market trading on
Wednesday, February 20, 2013. MIC has scheduled a conference call and webcast
for analysts and investors at 8:00 a.m. Eastern Time on Thursday, February 21,
2013, during which management will discuss the results. The conference
call/webcast will be followed by a question and answer session.

To access the conference call please dial +1(650) 521-5252 at least 10 minutes
prior to the scheduled start time. Listeners may access the webcast of the
conference call on the company’s website at www.macquarie.com/mic.

MIC will prepare printable materials in support of its presentation. A link to
the materials will be available on the MIC website the morning of February 21,
2013 prior to the conference call/webcast.

A replay of the webcast will be available after 2:00 p.m. on February 21, 2013
through midnight February 28, 2013 at +1(404) 537-3406, Passcode: 94587428. An
archive of the webcast will be available on the MIC website for one year
following the call.

ABOUT MACQUARIE INFRASTRUCTURE COMPANY

Macquarie Infrastructure Company owns, operates and invests in a diversified
group of infrastructure businesses providing basic, everyday services to
customers in the United States. Its businesses consist of three energy-related
businesses including a gas processing and distribution business (HAWAI`IGAS),
a controlling interest in a district energy business (Thermal Chicago), and a
50% interest in a bulk liquid storage terminal business (International-Matex
Tank Terminals). MIC also owns and operates an aviation-related airport
services business (Atlantic Aviation). The Company is managed by a
wholly-owned subsidiary of Macquarie Group. For additional information, please
visit the Macquarie Infrastructure Company website at www.macquarie.com/mic.
MIC-G

MIC is not an authorized deposit-taking institution for the purposes of the
Banking Act 1959 (Commonwealth of Australia). The obligations of MIC do not
represent deposits or other liabilities of Macquarie Bank Limited ABN 46 008
583 542 (MBL). MBL does not guarantee or otherwise provide assurance in
respect of the obligations of MIC.

Contact:

Macquarie Infrastructure Company
Investor enquiries:
Jay A. Davis, Investor Relations, 212-231-1825
or
Media enquiries:
Paula Chirhart, Corporate Communications, 212-231-1310