UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
____________________
FORM 8-K
____________________
CURRENT REPORT
PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934
June 11, 2012
Date of Report
(Date of earliest event reported)
____________________
CORE-MARK HOLDING COMPANY, INC.
(Exact name of registrant as specified in its charter)
____________________ 
Delaware
000-51515
20-1489747
(State or other jurisdiction of 
incorporation)
(Commission File Number)
(IRS Employer
Identification No.)
 
395 Oyster Point Boulevard, Suite 415,
South San Francisco, California
94080
(Address of principal executive offices)
(Zip Code)
(650) 589-9445
(Registrant's telephone number, including area code)
N/A
(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:
o
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)
o
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
o
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 June 11, 2012, Mr. Christopher Murray informed Core-Mark Holding Company, Inc. (the “Company”) that he was resigning as Senior Vice President of U.S. Distribution (East), to be effective July 2, 2012. Mr. Murray has served the Company for the past eight years and is leaving to pursue other interests. The Company has named Mr. William Stein as Vice President of U.S. Distribution (East) to succeed Mr. Murray. Mr. Stein, who has been with the Company for 19 years, currently serves as the Division President of the Ft. Worth Division of the 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.
 
 
 
CORE-MARK HOLDING COMPANY, INC.
 
 
 
 
Date: June 13, 2012
 
By:
/s/ Stacy Loretz-Congdon
 
 
Name:
Stacy Loretz-Congdon
 
 
Title:
Chief Financial Officer


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