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 Corporation is the network specialist, focused on expanding the possibilities for its customers’ networks while reducing their cost of ownership. The company’s systems, software and services target and cure specific network pain points so that telcos, cable operators, governments and enterprises can best exploit the new applications that are driving their businesses forward. For more information, visit www.ciena.com.