0000936392-08-000625 424B7 1 20080923 20080923 ILLUMINA INC 0001110803 3826 330804655 DE 0101 424B7 33 333-144953 081084961 9885 TOWNE CENTRE DRIVE SAN DIEGO CA 92121 8582024500 9885 TOWNE CENTRE DRIVE SAN DIEGO CA 92121 424B7 1 a43886e424b7.htm PROSPECTUS SUPPLEMENT