SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* MACQUARIE GROUP LTD (Last) (First) (Middle) LEVEL 6, 50 MARTIN PLACE SYDNEY, NEW SOUTH WALES 2000 (Street) AUSTRALIA C3 (City) (State) (Zip)	2. Issuer Name and Ticker or Trading Symbol Macquarie Infrastructure Corp [ MIC ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director X 10% Owner Officer (give title below) Other (specify below)
	3. Date of Earliest Transaction (Month/Day/Year) 08/17/2018
	4. If Amendment, Date of Original Filed (Month/Day/Year)	6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3)	2. Transaction Date (Month/Day/Year)	2A. Deemed Execution Date, if any (Month/Day/Year)	3. Transaction Code (Instr. 8)		4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Common Stock, par value $0.001 per share	08/17/2018		P		15,911(1)	A	$45.77(2)	11,247,303	I(3)	See footnote (3)
Common Stock, par value $0.001 per share	08/20/2018		P		7,000(1)	A	$45.94(2)	11,254,303	I(3)	See footnote (3)
Common Stock, par value $0.001 per share	08/21/2018		P		45,000(1)	A	$46.19(2)	11,299,303	I(3)	See footnote (3)

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Transaction Date (Month/Day/Year)	3A. Deemed Execution Date, if any (Month/Day/Year)	4. Transaction Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date (Month/Day/Year)		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

1. Name and Address of Reporting Person* MACQUARIE GROUP LTD (Last) (First) (Middle) LEVEL 6, 50 MARTIN PLACE SYDNEY, NEW SOUTH WALES 2000 (Street) AUSTRALIA C3 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Macquarie Infrastructure Management (USA) INC (Last) (First) (Middle) 125 W. 55TH STREET (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer X Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

1. These purchases were effected by Macquarie Infrastructure Management (USA) Inc. ("MIMUSA"), a subsidiary of Macquarie Group Ltd. ("MGL"), pursuant to a Rule 10b5-1 trading plan adopted by MIMUSA on May 9, 2018.

2. The prices reported in Column 4 are a weighted average price per day. These shares were purchased in multiple transactions at prices ranging from $45.65 to $45.78, inclusive, on August 17, 2018, from $45.92 to $45.95, inclusive, on August 20, 2018, and from $46.09 to $46.25, inclusive, on August 21, 2018. The reporting person undertakes to provide to Macquarie Infrastructure Corporation, any security holder of Macquarie Infrastructure Corporation, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares purchased at each separate price within the ranges set forth in this footnote (2) to this Form 4.

3. Includes 54,400 shares held in various investment funds for which Macquarie Investment Management Global Limited, a subsidiary of MGL, acts as investment advisor. MIMUSA holds the balance of the shares. Each reporting person disclaims beneficial ownership of all such securities except to the extent of its pecuniary interest therein.

Remarks:

	MGL - /s/ Charles Glorioso, Authorized Signatory, /s/ Paul Peduto, Authorized Signatory, MIMUSA - /s/ Simone Kovacic, Authorized Signatory, /s/ Diana Delgado, Authorized Signatory	08/21/2018
	** Signature of Reporting Person	Date
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