EXHIBIT 99.1

                    CERTIFIED WRITTEN STATEMENT ACCOMPANYING
                           PERIODIC FINANCIAL REPORTS

                          (Pursuant to 18 U.S.C. 1350)


The undersigned, James J. Peterson, Chief Executive Officer, and David R.
Sonksen, Chief Financial Officer, of Microsemi Corporation, a Delaware
corporation (the "Company"), each hereby certify that--

     (1)  the accompanying periodic report containing financial statements filed
          by the Company with the Securities and Exchange Commission (the
          "Report") fully complies with the requirements of Section 13(a) of the
          Securities Exchange Act of 1934 (15 U.S.C. 78m(a)); and

     (2)  information contained in the Report fairly presents, in all material
          respects, the financial condition and results of operations of the
          Company.

IN WITNESS WHEREOF, the undersigned have executed this certificate which
accompanies the Company's Quarterly Report on Form 10-Q for the quarterly period
ended June 30, 2002.

Dated: August 9, 2002
                                ------------------------------------------------
                                James J. Peterson, Chief Executive Officer

Dated: August 9, 2002
                                ------------------------------------------------
                                David R. Sonksen, Chief Financial Officer