Exhibit 99.1

                    Certification of Chief Executive Officer
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        Pursuant to Section 1350 of Chapter 63 of the United States Code
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I, Thomas J. Falk, Chief Executive Officer of Kimberly-Clark Corporation,
certify that to my knowledge:

(1)  the Form 10-Q, filed with the Securities and Exchange Commission on May 8,
     2003 ("accompanied 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 accompanied report fairly presents, in all
     material respects, the financial condition and results of operations of
     Kimberly-Clark Corporation.

                                          /s/ Thomas J. Falk
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                                           Thomas J. Falk
                                           Chief Executive Officer
                                           May 8, 2003