Exhibit 99.1



                            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 Black Box Corporation (the "Company")
on Form 10-Q for the quarter ended December 29, 2002 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), each of
the undersigned officers of the Company, pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, certifies
that to 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/  Fred C. Young
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Fred C. Young
Chief Executive Officer
February 12, 2003


/s/  Michael McAndrew
- -------------------------------
Michael McAndrew
Chief Financial Officer
February 12, 2003



         This certification is made solely for purposes of 18 U.S.C. Section
1350, subject to the knowledge standard contained therein, and not for any other
purpose.