SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* GINNS JONATHAN J (Last) (First) (Middle) C/O ACON INVESTMENTS LLC 1133 CONNECTICUT AVENUE, NW, STE 700 (Street) WASHINGTON DC 20036 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 07/25/2012	3. Issuer Name and Ticker or Trading Symbol Northern Tier Energy LP [ NTI ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) X Director 10% Owner Officer (give title below) Other (specify below)	5. If Amendment, Date of Original Filed (Month/Day/Year) 07/25/2012
			6. Individual or Joint/Group Filing (Check Applicable Line) X Form filed by One Reporting Person Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Units	54,844,500(1)	I	See footnotes(2)(3)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:

1. This amendment is filed to correct the number of Common Units reported in Table I, which in the original Form 3 inadvertently included the 2,437,500 Common Units Right which also were reported in Table II.

2. The securities reported in this statement are held by Northern Tier Holdings LLC ("Holdings"). Northern Tier Investors, LLC ("Investors LLC") is the sole owner of the common interests in Holdings. The sole member of Investors LLC is Northern Tier Investors LP ("Investors LP"). The general partner of Investors LP is NTI GenPar LLC. ACON Refining Partners, L.L.C. ("Refining") owns 48.75% of the Class A common units in Investors LP and 50% of the limited liability company interests in NTI GenPar LLC. AIP V GenPar, L.L.C. ("GenPar") is the managing member of Refining. ACON Funds Management, L.L.C. ("Management") is the managing member of GenPar. Mr. Ginns is a managing member and equity holder of Management. Mr. Ginns disclaims beneficial ownership of the securities reported herein.

3. cont'd: Neither the filing of this statement nor anything herein shall be deemed an admission that Mr. Ginns is, for purposes of Section 16 of the Securities Exchange Act of 1934 or otherwise, the beneficial owner of any securities covered by this statement.

Remarks:

	Jonathan J. Ginns, By: /s/ Barry E. Johnson, Title: Attorney-in-Fact	08/02/2012
	** Signature of Reporting Person	Date
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