Tessco (TESS) 10-Q 2004 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

I, Robert B. Barnhill, Jr., Chief Executive Officer of TESSCO Technologies Incorporated, (the “Company”), certify, pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1.The Quarterly Report on Form 10-Q of the Company for the quarterly period ended June 29, 2003, as filed with the Securities and Exchange Commission on the date hereof (the “Report”), fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15 U.S.C. 78m(a) or 78o(d)); 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/ Robert B. Barnhill, Jr.

Robert B. Barnhill, Jr.