Exhibit 32.1

PAR TECHNOLOGY CORPORATION

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 PAR Technology Corporation (the “Company”) on Form 10-Q for the quarter ended March 31, 2015 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), we, Ronald J. Casciano, President & Chief Executive Officer and Matthew J. Trinkaus, Corporate Controller & Chief Accounting Officer of the Company, certify pursuant to 18 U.S.C. § 1350, as adopted pursuant to § 906 of the Sarbanes-Oxley Act of 2002, that to the best of our knowledge:

1. The Report fully complies with the requirement 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 Company.

 /s/ Ronald J. Casciano

Ronald J. Casciano

Chief Executive Officer & President

May 8, 2015

 /s/ Matthew J. Trinkaus

Matthew J. Trinkaus

Corporate Controller & Chief Accounting Officer

May 8, 2015

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