Murphy USA (MUSA) 10-Q 2014 Q3 Quarterly report

EXHIBIT 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of Murphy USA Inc. (the “Company”) on Form 10-Q for the period ended September 30, 2014 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I,  Mindy K. West,  Principal Financial Officer of the Company, certify, pursuant to Rule 13a-14(b) under the Securities Exchange Act of 1934 and 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

 (1) The Report fully complies with the requirements of section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

 (2) The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date:  November 6, 2014

/s/ Mindy K. West__________

Mindy K. West

Principal Financial Officer

Ex. 32.2