UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 15

CERTIFICATION AND NOTICE OF TERMINATION OF REGISTRATION UNDER SECTION 12(g) OF THE SECURITIES EXCHANGE ACT OF 1934 OR SUSPENSION OF DUTY TO FILE REPORTS UNDER SECTIONS 13 AND 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934.

Commission File Number 001-35612

Northern Tier Energy LP

(Exact name of registrant as specified in its charter)

1250 W. Washington Street, Suite 300
Tempe, Arizona 85281

(602) 302-5450

(Address, including zip code, and telephone number, including area code, of registrant’s principal executive offices)

Common Units Representing Limited Partnership Interests of Northern Tier Energy LP

(Title of each class of securities covered by this Form)

None

(Titles of all other classes of securities for which a duty to file reports under section 13(a) or 15(d) remains)

Please place an X in the box(es) to designate the appropriate rule provision(s) relied upon to terminate or suspend the duty to file reports:

Rule 12g-4(a)(1)	þ
Rule 12g-4(a)(2)	¨
Rule 12h-3(b)(1)(i)	þ
Rule 12h-3(b)(1)(ii)	¨
Rule 15d-6	þ

Approximate number of holders of record as of the certification or notice date: One

Pursuant to the requirements of the Securities Exchange Act of 1934 Northern Tier Energy LP has caused this certification/notice to be signed on its behalf by the undersigned duly authorized person.

Date: May 31, 2017	NORTHERN TIER ENERGY LP
	By:	/s/ Karen B. Davis
		Karen B. Davis
		Executive Vice President and Chief Financial Officer, Northern Tier Energy GP LLC, general partner of Northern Tier Energy LP