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 Berkeley  Technology  Limited
on Form 10-Q for the  period  ended  September  30,  2003 as filed with the U.S.
Securities and Exchange  Commission  (the  "Report"),  I, Arthur I. Trueger,  as
Executive Chairman of the registrant,  certify,  pursuant to 18 U.S.C. ss. 1350,
as adopted by ss. 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge:

        (1)  The   accompanying   Quarterly   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
registrant.



Date:  November 14, 2003                         By:    /s/  Arthur I. Trueger

                                                        Arthur I. Trueger
                                                        Executive Chairman