EXHIBIT 99.1



                               EMULEX CORPORATION

  CERTIFICATION OF CHIEF EXECUTIVE OFFICER 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 Annual Report of Emulex Corporation (the
"Company") on Form 10-K for the period ended June 30, 2002, as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Paul F.
Folino, the 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 to my 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/ Paul F. Folino
                              --------------------
                                 Paul F. Folino
                             Chief Executive Officer
                               September 27, 2002

  CERTIFICATION OF CHIEF FINANCIAL OFFICER 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 Annual Report of Emulex Corporation (the
"Company") on Form 10-K for the period ended June 30, 2002, as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, Michael
J. Rockenbach, the Chief Financial 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 to my 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/ Michael J. Rockenbach
                           ---------------------------
                              Michael J. Rockenbach
                             Chief Financial Officer
                               September 27, 2002