SAN DIEGO — Illumina, Inc. (NASDAQ:ILMN), a leading developer, manufacturer and marketer of life science tools and integrated systems for the analysis of genetic variation and function, today announced that its Board of Directors has, after careful review and consideration together with its financial and legal advisors, unanimously rejected Roche’s revised offer to acquire Illumina for $51.00 per share in cash. Accordingly, Illumina urges its stockholders not to tender any shares and, in connection with the Annual Meeting to be held on April 18, to vote the WHITE CARD in support of Illumina’s directors and against Roche’s additional proposals.

About Illumina

Illumina (www.illumina.com) is a leading developer, manufacturer, and marketer of life science tools and integrated systems for the analysis of genetic variation and function. We provide innovative sequencing and array-based solutions for genotyping, copy number variation analysis, methylation studies, gene expression profiling, and low-multiplex analysis of DNA, RNA, and protein. We also provide tools and services that are fueling advances in consumer genomics and diagnostics. Our technology and products accelerate genetic analysis research and its application, paving the way for molecular medicine and ultimately transforming healthcare.