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Frequently asked questions

MIC’s units are listed on the New York Stock Exchange and trade under the ticker symbol “MIC”.

MIC is managed by Macquarie Infrastructure Management (USA) Inc. (MIMUSA). MIMUSA is also one of MIC’s largest unitholders. MIMUSA is a member of Macquarie Group Limited, one of the world’s largest and most experienced owners and managers of infrastructure businesses.

MIC’s current board leadership structure is comprised of a chairman, who is not a member of management but is appointed by MIC’s Manager, and a lead independent director in accordance with MIC’s corporate governance guidelines. Currently, Mr. Norman Brown serves as the lead independent director. MIC’s lead independent director presides at executive sessions of the independent directors, which occur at least quarterly and more often as the independent directors deem appropriate. Each of MIC’s board committees is chaired by and is wholly comprised of independent directors.

MIC’s board chairman is elected by the Manager as the sole holder of MIC’s special stock. The chairman, Mr. Martin Stanley, presides over meetings of the board of directors and meetings of stockholders, prepares the agenda for meetings of the board of directors with input from the other directors and performs such other duties as may be assigned by the board of directors.

Information can be accessed directly through this site. Annual Reports on Form 10-K, Quarterly Reports on Form 10-Q, Proxy Statements and other filings with the SEC can be accessed directly through this site or through the Securities and Exchange Commission at

If you would like a hard copy of the Company's most recent corporate information, please direct your inquiries to:

Macquarie Infrastructure Holdings, LLC
Attn: Investor Relations
125 West 55th Street
New York, NY 10019
United States of America

MIC's fiscal year end is December 31.

MIC’s financial statements have been audited by KPMG LLP in each of 2004 through 2020. KPMG LLP will audit the Company’s financial statements for fiscal year 2021 as well.

MIC began trading as Macquarie Infrastructure Company Trust on December 16, 2004. Macquarie Infrastructure Company Trust was succeeded by Macquarie Infrastructure Company LLC effective January 1, 2007. Membership interests in Macquarie Infrastructure Company LLC were exchanged, one for one, for shares of Macquarie Infrastructure Corporation at 12:01am on May 21, 2015 as a result of the conversion of the Company from a Delaware limited liability company to a Delaware corporation. On September 22, 2021, Macquarie Infrastructure Corporation completed a corporate reorganization and shareholders of Macquarie Infrastructure Corporation became unitholders of Macquarie Infrastructure Holdings, LLC on a one-for-one basis without an exchange of certificates. 

Macquarie Infrastructure Holdings, LLC is organized as a limited liability company treated as a partnership for tax purposes. MIC is an open-ended New York Stock Exchange listed company and its units trade under the ticker "MIC".

MIC’s board of directors is composed of a majority of independent directors, with six of the eight directors considered independent in accordance with the listing standards of the NYSE.

MIC is listed on the New York Stock Exchange and units of MIC can be purchased through any registered broker. To invest in MIC, please contact your broker or financial advisor.

Macquarie Infrastructure Holdings, LLC
125 West 55th Street
New York, NY 10019
United States of America

P.O. Box 43006
Providence, RI 02940-3006
Tel: 1-866-867-6422

Shareholder website:
Shareholder online inquiries: 

Contact MIC Investor Relations