Sisecam Resources (SIRE) 10-Q 2015 Q1 Quarterly report

Exhibit 32.1

CERTIFICATION OF KIRK H. MILLING

PURSUANT TO

18 U.S.C. SECTION 1350

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES‑OXLEY ACT OF 2002

In connection with OCI Resources LP’s (the “Partnership”) Quarterly Report on Form 10-Q for the period ended March 31, 2015, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I, Kirk H. Milling, Chief Executive Officer of the Partnership's general partner, do hereby certify, pursuant to 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, as amended; and

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

Date:	May 7, 2015	/s/ Kirk H. Milling
		Kirk H. Milling Chief Executive Officer and Director of OCI Resource Partners LLC, the General Partner of OCI Resources LP (Principal Executive Officer)