Manager of Macquarie Infrastructure Company Initiates 10b5-1 Plan

  Manager of Macquarie Infrastructure Company Initiates 10b5-1 Plan

  *Seeks to manage growth in ownership of MIC
  *Expected to continue to reinvest fees in additional shares

Business Wire

NEW YORK -- September 13, 2013

Macquarie Infrastructure Company (NYSE:MIC) announced that its external
manager, Macquarie Infrastructure Management (USA) Inc. (“MIMUSA”), has
implemented a program through which it expects to sell up to 1,000,000 shares
of MIC pursuant to a sales plan intended to comply with Rule 10b5-1 of the
Securities Exchange Act of 1934.

MIMUSA’s ownership interest in MIC has been increasing as a result of its
decision to reinvest base management and performance fees associated with its
management of the listed company in additional shares. Under the program,
MIMUSA will sell a portion of its shares on a pre-planned basis as a means of
managing the rate of growth in its position in MIC.

MIMUSA has informed management of MIC that MIMUSA’s decision to implement the
sale program is not an indication of a change in its views on the performance
or prospects of MIC but was related to portfolio weighting. MIMUSA has stated
that it intends to continue to reinvest any base and performance fees to which
it may be entitled in the future in shares of MIC.

Rule 10b5-1 permits officers, directors and other insiders to adopt
pre-arranged plans for the sale of securities at a time when such person or
entity is not in possession of material no-public information.

MIMUSA has elected to reinvest base management and performance fees earned
during the first and second quarters of 2013. Including the shares issued in
connection with these reinvestments, and assuming the same number of shares
are issued in satisfaction of base management fees earned for the third and
fourth quarter as were issued for the second quarter, MIMUSA will have
increased its holding in MIC by approximately 1,426,000 shares for the year.

As a result of the planned sale of up to 1,000,000 shares under the 10b5-1
plan, MIMUSA’s holding of MIC is expected to increase from a low of 5.0% of
MIC’s shares outstanding in May, 2013 to an approximate 5.7% of MIC’s shares
outstanding in February 2014.

About Macquarie Infrastructure Company

Macquarie Infrastructure Company owns, operates and invests in a diversified
group of infrastructure businesses providing basic services to customers in
the United States. Its businesses consist of a gas processing and distribution
business, Hawaii Gas, a controlling interest in a District Energy business in
Chicago, and a 50% interest in a bulk liquid storage terminal business,
International-Matex Tank Terminals. MIC also owns and operates an airport
services business, Atlantic Aviation and three solar power generation
facilities, collectively MIC Solar. The Company is managed by a wholly-owned
subsidiary of the Macquarie Group. For additional information, please visit
the Macquarie Infrastructure Company website at 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.


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