CIENA ANNOUNCES REPORTING DATE AND CONFERENCE CALL FOR FISCAL 2004 SECOND QUARTER RESULTS
Linthicum, MD — 05/04/2004Ciena Corporation (NASDAQ: CIEN) will announce results for its fiscal 2004 second quarter on Thursday, May 20, 2004, via Business Wire before the open of the financial markets. The press release also will be available on Ciena’s website at www.ciena.com.
In conjunction with the announcement, Ciena’s management will host a conference call beginning at 8:30 AM (Eastern) on May 20, 2004. Interested listeners may access the live web broadcast at www.ciena.com.
Rebroadcast Information
For those listeners unable to participate in the live web broadcast on Thursday, May 20, an archived version of the conference call will be available shortly following the conclusion of the live call in the Investor Relations section of Ciena’s website at: www.ciena.com.
Ciena specializes in network transition. We provide the flexible platforms, intelligent software and professional services to build converged networks for enhanced services and applications. With a growing global presence, Ciena leverages its heritage of practical innovation to deliver maximum performance and economic value in communications networks worldwide. For more information, visit www.ciena.com.
Nicole Anderson
Ciena Corporation
(877) 857 -7377
pr@ciena.com
Marie Downing
Ciena Corporation
(888) 243-6223
ir@ciena.com

