EXHIBIT 99.1

  CERTIFICATION OF PRINCIPAL EXECUTIVE OFFICER AND PRINCIPAL 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 Quarterly Report of Peregrine Pharmaceuticals,
Inc. (the "Company") on Form 10-Q for the quarter ended July 31, 2002 as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
I, Edward J. Legere, President and 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:

         (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 result of the Company.


Dated:   September 16, 2002        Signed: /s/ EDWARD J. LEGERE
         ------------------                ------------------------------------
                                           Edward J. Legere
                                           PRESIDENT AND CHIEF EXECUTIVE OFFICER


         In connection with the Quarterly Report of Peregrine Pharmaceuticals,
Inc. (the "Company") on Form 10-Q for the quarter ended July 31, 2002 as filed
with the Securities and Exchange Commission on the date hereof (the "Report"),
I, Paul J. Lytle, 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:

         (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 result of the Company.


Dated:   September 16, 2002        Signed: /s/ PAUL J. LYTLE
         ------------------                ----------------------------
                                           Paul J. Lytle
                                           CHIEF FINANCIAL OFFICER