EXHIBIT 32

CERTIFICATION UNDER SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Jay T. Flatley and Timothy M. Kish hereby certify that:

1. They are the Chief Executive Officer and Chief Financial Officer,
respectively, of Illumina, Inc.

2. The Form 10-Q report of Illumina, Inc. that this certification accompanies
fully complies with the requirements of section 13(a) or 15(d) of the Securities
Exchange Act of 1934.

3. The information contained in the Form 10-Q report of Illumina, Inc. that this
certification accompanies fairly presents, in all material respects, the
financial condition and results of operations of Illumina, Inc.

Dated:  November 4, 2003

                                By:  /s/ JAY T.FLATLEY
                                    -----------------------------------------
                                    Jay T.Flatley
                                    President and Chief Executive Officer

                                By: /s/ TIMOTHY M. KISH
                                    ------------------------------------------
                                    Timothy M. Kish
                                    Vice President and Chief Financial Officer

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