Gresham Worldwide (GIGAQ) 10-Q 2018 Q1 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 Giga-tronics Incorporated (the "Company") on Form 10-Q for the period ending June 24, 2017, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, John R. Regazzi, Co-Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(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:	August 4, 2017
		/s/ John R. Regazzi
		John R. Regazzi
		Co-Chief Executive Officer

In connection with the quarterly report of Giga-tronics Incorporated (the "Company") on Form 10-Q for the period ending June 24, 2017, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Suresh Nair, Co-Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

(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:	August 4, 2017
		/s/ Suresh Nair
		Suresh Nair
		Co-Chief Executive Officer