<DOCUMENT>
<TYPE>EX-99.A.3
<SEQUENCE>3
<FILENAME>dex99a3.txt
<DESCRIPTION>CERTIFICATE OF AMENDMENT TO CERTIFICATE OF TRUST
<TEXT>
<PAGE>

                                                                      Ex99(A)(3)

                            CERTIFICATE OF AMENDMENT

                                       TO

                              CERTIFICATE OF TRUST

         (Pursuant to Section 3810 of the Delaware Statutory Trust Act)

FIRST:  The name of the statutory trust (hereinafter referred to as the "Trust")
        is ProFunds ETF Trust

SECOND: The name the Trust is hereby changed to: xtraShares Trust

THIRD:  This Certificate of Amendment to Certificate of Trust shall be effective
        March 21, 2003.

                                               By:  /s/ Michael L. Sapir
                                                    --------------------
                                                        Trustee

                                               By:  /s/ Louis M. Mayberg
                                                    --------------------
                                                         Trustee

</TEXT>
</DOCUMENT>