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

Harry M. Jansen Kraemer, Jr., as Chairman of the Board and Chief Executive
Officer of Baxter International Inc. (the "Company"), certifies, pursuant to 18
U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley
Act of 2002, that:

     (1)  the Company's Quarterly Report on Form 10-Q for the quarterly period
          ended March 31, 2003 as filed with the Securities and Exchange
          Commission on the date hereof (the "Report") fully complies with the
          requirements of Section 13(a) 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 Company.

/s/ Harry M. Jansen Kraemer, Jr.
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Harry M. Jansen Kraemer, Jr.
Chairman of the Board and
Chief Executive Officer
May 7, 2003

This certification accompanies the Report pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002 and shall not, except to the extent required by the
Sarbanes-Oxley Act of 2002, be deemed filed by the Company for purposes of
Section 18 of the Securities and Exchange Act of 1934, as amended.