EXHIBIT 99.01

                              THE 906 CERTIFICATION

         I, Richard J. Miller, on behalf of the Profit Sharing Plan of Bindley
Western Industries, Inc., and Subsidiaries (the "Plan"), certify, pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my
knowledge:

(1)      the Annual report on Form 11-K for the period ended December 31, 2002,
         (the "Periodic Report") containing the financial statements of the
         Plan, which this statement accompanies, fully complies with the
         requirements of Section 13(a) or 15(d) of the Securities Exchange Act
         of 1934 (15 U.S.C. 78m), and

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

Dated: June 30, 2003
                           /s/ Richard J. Miller
                           --------------------------------------------
                           Richard J. Miller
                           Plan Committee Member




A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO CARDINAL HEALTH, INC., AND WILL BE RETAINED BY CARDINAL HEALTH, INC.
AND FURNISHED TO THE SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON
REQUEST.



                              THE 906 CERTIFICATION

         I, Carole S. Watkins, on behalf of the Profit Sharing Plan of Bindley
Western Industries, Inc., and Subsidiaries (the "Plan"), certify, pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my
knowledge:

(1)      the Annual report on Form 11-K for the period ended December 31, 2002,
         (the "Periodic Report") containing the financial statements of the
         Plan, which this statement accompanies, fully complies with the
         requirements of Section 13(a) or 15(d) of the Securities Exchange Act
         of 1934 (15 U.S.C. 78m), and

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

Dated: June 30, 2003
                           /s/ Carole S. Watkins
                           --------------------------------------------
                           Carole S. Watkins
                           Plan Committee Chairperson



A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO CARDINAL HEALTH, INC., AND WILL BE RETAINED BY CARDINAL HEALTH, INC.
AND FURNISHED TO THE SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON
REQUEST.