UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549

FORM 8-K

CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
Date of report (Date of earliest event reported) April 26, 2011

SEMGROUP CORPORATION
(Exact Name of Registrant as Specified in Its Charter)

Delaware
(State or Other Jurisdiction of Incorporation)

1-34736	 	20-3533152	
(Commission
File Number)	 	(IRS Employer
Identification No.)	
Two Warren Place
6120 S. Yale Avenue, Suite 700
Tulsa, OK 74136-4216
(Address of Principal Executive Offices) (Zip Code)
(918) 524-8100
(Registrant’s Telephone Number, Including Area Code)
Not Applicable
(Former Name or Former Address, if Changed Since Last Report)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions ( see General Instruction A.2. below):
 
¨	Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)	
 
¨	Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)	
 
¨	Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))	
 
¨	Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))	

 

Item 5.02.	Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers.	
(b) On April 26, 2011, Stanley C. Horton notified the Company that he was resigning from the Board of Directors of SemGroup Corporation effective at the close of business on April 29, 2011. Mr. Horton resigned as a result of his election as an executive officer of another company.
 
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SIGNATURES
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

	 	SEMGROUP CORPORATION	
			
Date: May 2, 2011	 	By:	 	/s/ Robert N. Fitzgerald	
	 		 	Robert N. Fitzgerald	
	 		 	Senior Vice President and Chief Financial Officer	
 
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