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                                                                      EXHIBIT 99
                                                              ADDITIONAL EXHIBIT

                          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 Kraft Foods Inc. (the "Company") 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"), I, Roger K. Deromedi,
Co-Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of
2002, that:

     (1)  The 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 Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

/s/ Roger K. Deromedi
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Roger K. Deromedi
Co-Chief Executive Officer
March 25, 2003

A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO KRAFT FOODS INC. AND WILL BE RETAINED BY KRAFT FOODS INC. AND
FURNISHED TO THE SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.
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                           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 Kraft Foods Inc. (the "Company") 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"), I, Betsy D. Holden,
Co-Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C.
Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of
2002, that:

     (1)  The 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 Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

/s/ Betsy D. Holden
- ------------------------------
Betsy D. Holden
Co-Chief Executive Officer
March 25, 2003

A SIGNED ORIGINAL OF THIS WRITTEN STATEMENT REQUIRED BY SECTION 906 HAS BEEN
PROVIDED TO KRAFT FOODS INC. AND WILL BE RETAINED BY KRAFT FOODS INC. AND
FURNISHED TO THE SECURITIES AND EXCHANGE COMMISSION OR ITS STAFF UPON REQUEST.
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                          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 Kraft Foods Inc. (the "Company") 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"), I, James P. Dollive,
Senior Vice President and Chief Financial Officer of the Company, certify,
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, that:

     (1)  The 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 Report fairly presents, in all
material respects, the financial condition and results of operations of the
Company.

/s/ James P. Dollive
- ------------------------------
James P. Dollive
Senior Vice President and
Chief Financial Officer
March 25, 2003

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