Agere Systems to Webcast Presentations at Upcoming Investment Conferences ALLENTOWN, Pa., May 18 /PRNewswire-FirstCall/ -- Agere Systems today announced that it would present at investment conferences in May and June: the Prudential Equity Group, LLC/Prudential- Bache International Limited European Technology Conference on May 26, 2004, at 11:25 a.m. EDT; the Smith Barney Citigroup Semiconductor Conference on June 3, 2004, at 11:40 a.m. EDT; and the Bear Stearns Technology Conference on June 15 at 3:55 p.m. EDT. The presentations will be webcast live over the Internet at http://www.agere.com/webcast. After each conference, a replay of the webcast will be available on the Agere web site at http://www.agere.com/webcast. Agere Systems is a global leader in semiconductors for storage, wireless data, and public and enterprise networks. The company's chips and software power a broad range of computing and communications applications, from cell phones, PCs, PDAs, hard disk drives and gaming devices to the world's most sophisticated wireless and wireline networks. Agere's customers include the top manufacturers of consumer electronics, communications and computing equipment. Agere's products make personal broadband a reality, connecting people to information and entertainment -- at home, at work and on the road. DATASOURCE: Agere Systems CONTACT: Media Inquiries: Vibha Agrawal, +1-610-712-1737, +1-908-256-6234 (cell), ; or Investor Inquiries: Sujal Shah, +1-610-712-5471, , both of Agere Systems Web site: http://www.agere.com/webcast http://www.agere.com/

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