Ciena to Webcast Annual Shareholder Meeting

Linthicum, MD — 03/12/2007

Ciena® Corporation (NASDAQ: CIEN), the network specialist, will host a live webcast of its annual shareholder meeting on Wednesday, March 14, 2007, beginning at 3:00 PM Eastern.

The webcast will be listen-only and will be accessible and archived for replay through midnight on Wednesday, March 21, 2007 at http://www.ciena.com/investors in the Events section.


About Ciena

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.
Press Contacts:
Nicole Anderson
Ciena Corporation
(877) 857 -7377
pr@ciena.com
Investor Contacts:
Marie Downing
Ciena Corporation
(888) 243-6223
ir@ciena.com