<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>7
<FILENAME>dex991.txt
<DESCRIPTION>TRUSTEE CERTIFICATION
<TEXT>
<PAGE>

                                                                    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 Annual Report of Cross Timbers Royalty Trust (the
"Trust") on Form 10-K for the year ended December 31, 2002 as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), the
undersigned, not in its individual capacity but solely as the trustee of the
Trust, certifies pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906
of the Sarbanes-Oxley Act of 2002, that to its knowledge:

     (1) The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934, as amended; and

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

                                  Bank of America, N.A.,
                                         Trustee for Cross Timbers Royalty Trust

March 31, 2003                 By  /s/ NANCY G. WILLIS
                                  ----------------------------------------------
                                  Nancy G. Willis
                                  Assistant Vice President


A signed original of this written statement required by Section 906 has been
provided to the trustee of the Cross Timbers Royalty Trust and will be retained
by the trustee and furnished to the Securities and Exchange Commission or its
staff upon request.

</TEXT>
</DOCUMENT>
