Ryan & Maniskas, LLP Announces Investigation of Illumina, Inc.19:05 EST Thursday, January 26, 2012 WAYNE, Pa. (Business Wire) -- Ryan & Maniskas, LLP (www.rmclasslaw.com/cases/ilmn) is investigating potential claims against the board of directors of Illumina, Inc. ("Illumina" or the "Company") (NASDAQ: ILMN) concerning possible breaches of fiduciary duty and other violations of law relating to the proposed acquisition by Roche Holding AG (“Roche”). Our investigation concerns the board of directors' process for consideration of the proposed transaction, and whether Illumina is acting in its shareholders' best interests by refusing to enter into negotiations with Roche. For more information regarding our investigation, please contact Ryan & Maniskas, LLP (Richard A. Maniskas, Esquire) toll-free at (877) 316-3218 or by email at rmaniskas@rmclasslaw.com or visit: www.rmclasslaw.com/cases/ilmn. On January 25, 2011, Roche announced that it is proposing to acquire all outstanding shares of Illumina for $44.50 per share in cash through a tender offer. Although Roche claims it has made multiple efforts to engage Illumina, it states that the company has been unwilling to participate in substantive discussions. If you own shares of Illumina and would like to learn more about these claims or if you wish to discuss these matters and have any questions concerning this announcement or your rights, contact Richard A. Maniskas, Esquire toll-free at (877) 316-3218 or to sign up online, visit: www.rmclasslaw.com/cases/ilmn. You may also email Mr. Maniskas at rmaniskas@rmclasslaw.com. For more information about class action cases in general, please visit our website: www.rmclasslaw.com. Ryan & Maniskas, LLP is a national shareholder litigation firm. Ryan & Maniskas, LLP is devoted to protecting the interests of individual and institutional investors in shareholder actions in state and federal courts nationwide. Ryan & Maniskas, LLPRichard A. Maniskas, Esquire, 877-316-3218rmaniskas@rmclasslaw.comwww.rmclasslaw.com/cases/ilmn