<TABLE> <S> <C>
<PAGE>
<ARTICLE> 5
<LEGEND>
THE SCHEDULE CONTAINS SUMMARY FINANCIAL INFORMATION EXTRACTED FROM THE
COMPANY'S UNAUDITED QUARTERLY FINANCIAL STATEMENTS AND IS QUALIFIED IN ITS
ENTIRETY BY REFERENCE TO SUCH FINANCIAL STATEMENTS.
</LEGEND>
<CIK> 0000927355
<NAME> TESSCO TECHNOLOGIES INCORPORATED
<MULTIPLIER> 1
<CURRENCY> U.S. DOLLARS
<S> <C>
<PERIOD-TYPE> 3-MOS
<FISCAL-YEAR-END> APR-01-2001
<PERIOD-START> MAR-27-2000
<PERIOD-END> JUN-25-2000
<EXCHANGE-RATE> 1
<CASH> 0
<SECURITIES> 0
<RECEIVABLES> 32,241,100
<ALLOWANCES> 863,800
<INVENTORY> 31,629,500
<CURRENT-ASSETS> 65,748,200
<PP&E> 27,105,500
<DEPRECIATION> 9,422,100
<TOTAL-ASSETS> 86,646,500
<CURRENT-LIABILITIES> 36,382,200
<BONDS> 7,021,800
0
0
<COMMON> 47,800
<OTHER-SE> 42,727,500
<TOTAL-LIABILITY-AND-EQUITY> 86,646,500
<SALES> 62,522,500
<TOTAL-REVENUES> 62,522,500
<CGS> 45,699,100
<TOTAL-COSTS> 45,699,100
<OTHER-EXPENSES> 13,770,200
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 482,000
<INCOME-PRETAX> 2,571,200
<INCOME-TAX> 977,100
<INCOME-CONTINUING> 1,594,100
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 1,594,100
<EPS-BASIC> 0.36
<EPS-DILUTED> 0.34
</TABLE>