Dynasil Corporation of America (DYSL) 10-Q 2017 Q3 Quarterly report

EXHIBIT 32.1

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 DYNASIL CORPORATION OF AMERICA (the "Company") on Form 10-Q for the period ended June 30, 2017 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), Peter Sulick, Chief Executive Officer and President of the Company, and Robert J. Bowdring, Chief Financial Officer of the Company, each certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that to the best of his 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.

 /s/ Peter Sulick

Peter Sulick

Chief Executive Officer and President

/s/ Robert J. Bowdring

Robert J. Bowdring

Chief Financial Officer

August 14, 2017