Illumina Announces Proposed Public Offering of Common Stock Thursday May 11, 4:43 pm ET 
  SAN DIEGO--(BUSINESS WIRE)--May 11, 2006--Illumina, Inc. (NASDAQ:ILMN - News) today announced that it has filed a preliminary prospectus supplement to a shelf registration statement with the Securities and Exchange Commission relating to a proposed public offering of 3,500,000 shares of its common stock. The underwriters will be granted the right to purchase up to an additional 525,000 shares of common stock. All of the shares are being sold by Illumina. ADVERTISEMENT     Goldman, Sachs & Co. and Merrill Lynch & Co. are acting as joint bookrunning and co-lead managers of the offering. Cowen and Company is acting as a co-lead manager of the offering. Robert W. Baird & Co. Incorporated is acting as co-manager of the offering.
  This communication is not an offer to sell or the solicitation of an offer to buy these securities, nor will there be any sale of these securities in any state in which such offer, solicitation or sale is not permitted. Copies of the preliminary prospectus supplement and accompanying prospectus may be obtained from the Prospectus Departments of Goldman Sachs & Co., 85 Broad Street, New York, NY 10004; fax: (212) 902-9316; e-mail: prospectus-ny@gs.com, or Merrill Lynch & Co., 4 World Financial Center, New York, NY 10080; phone: (212) 449-1000.
  About Illumina
  Illumina (www.illumina.com) develops and markets next-generation tools for the large-scale analysis of genetic variation and function.
  Contact: Illumina, Inc. Jay Flatley, +1 858 202.4501 jflatley@illumina.com Christian Henry, +1 858 202.4508 chenry@illumina.com |