Planet Payment 10-Q 2017 Q1 Quarterly report

Exhibit 32.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

PURSUANT TO

18 U.S.C SECTION 1350

The undersigned, Carl J. Williams, Chief Executive Officer of Planet Payment, Inc. (the “Company”), pursuant to 18 U.S.C. §1350, hereby certifies:

(i) the Quarterly Report on Form 10-Q for the period ended March  31, 2017 of the Company (the “Report”) fully complies with the requirements of Section 13(a) and 15(d) of the Securities Exchange Act of 1934; and

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

Date: May 9, 2017	By:	/s/ Carl J.  Williams
		Carl J.  Williams
		Chief Executive Officer