MIC Manager Notifies MIC That It Intends to Acquire Additional Shares

NEW YORK–(BUSINESS WIRE)–Macquarie Infrastructure Corporation (NYSE:MIC) announced that Macquarie
Infrastructure Management (USA) Inc. (MIMUSA), a subsidiary of Macquarie
Group Limited and the Manager of MIC, has notified MIC that it intends
to acquire additional MIC shares via open market purchases. Share
purchases are subject to receipt of Hart-Scott-Rodino clearance and
market conditions. MIMUSA expects clearance to be received on or about
April 8, 2018.

MIMUSA currently owns approximately 5.5 million or 6.6% of MIC's shares
outstanding. As required by law, MIMUSA will report purchases on Form 4
and Schedule 13D filings with the Securities and Exchange Commission.
Accordingly, MIMUSA does not plan to provide any further update to the
market.

About MIC

MIC owns and operates a diversified group of businesses providing basic
services to customers in the United States. Its businesses consist of a
bulk liquid terminals business, International-Matex Tank Terminals, an
airport services business, Atlantic Aviation, entities comprising an
energy services, production and distribution segment, MIC Hawaii, and
entities comprising a Contracted Power segment. For additional
information, please visit the MIC 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.

Contacts

Investor enquiries
MIC
Jay A. Davis
Investor Relations
(212)
231-1825
or
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MIC
Melissa McNamara
Corporate
Communications
(212) 231-1667