CIENA APPOINTS ROBERT FINCH SENIOR VICE PRESIDENT, CORPORATE DEVELOPMENT

Linthicum, MD — 04/17/2001

Ciena Corporation (NASDAQ: CIEN), a global leader in intelligent optical networking systems and software, today announced that Robert Finch has been appointed Senior Vice President, Corporate Development. Mr. Finch will lead Ciena in the development of joint ventures, strategic alliances, mergers and acquisitions, and comprehensive integration plans.

In his nearly 20-year telecommunications career, Mr. Finch has held multiple senior positions at companies such as MCI WorldCom, LDDS Communications, and AT&T Bell Laboratories. He was most recently the Vice President of Operations for Broadband Office.

"With its exclusive focus on next-generation, intelligent optical systems and software, Ciena is uniquely positioned to continue leading the networking industry to new markets and greater potential," said Patrick Nettles, chairman and CEO of Ciena. "Bob's extensive telecom experience and long history of accomplishments will undoubtedly bolster Ciena's effort to pursue new business opportunities in support of our continued growth."

"Intelligent optical networking is clearly the next major movement in telecommunications, and Ciena is leading the market in products and promising technologies," said Finch. "I look forward to joining Ciena's dynamic team and cultivating strategic relationships with fellow industry leaders to further this success."

Mr. Finch holds an M.S. in Engineering Economic Systems from Stanford University and a B.S. in Mechanical Engineering from the University of California, Davis.


About Ciena

Ciena Corporation's market-leading optical networking systems form the core for the new era of networks and services worldwide. Ciena's LightWorks™ architecture enables next-generation optical services and changes the fundamental economics of service-provider networks by simplifying the network and reducing the cost to operate it. Additional information about Ciena can be found at http://www.ciena.com.
Note to Investors
This press release contains certain forward-looking statements based on current expectations, forecasts and assumptions of Ciena (the Company) that involve risks and uncertainties. Forward-looking statements in this release are based on information available to the Company as of the date hereof. The Company's actual results could differ materially from those stated or implied in such forward-looking statements, due to risks and uncertainties associated with the Company's business, which include the risk factors disclosed in the Company's Report on Form 10-Q filed with the Securities and Exchange Commission on February 15, 2001. Forward looking statements include statements regarding the Company's expectations, beliefs, intentions or strategies regarding the future and can be identified by forward looking words such as "anticipate," "believe," "could," "estimate," "expect," "intend," "may," "should," "will," and "would" or similar words. The Company assumes no obligation to update the information included in this press release, whether as a result of new information, future events or otherwise.
Press Contacts:
Nicole Anderson
Ciena Corporation
(877) 857 -7377
pr@ciena.com
Investor Contacts:
Marie Downing
Ciena Corporation
(888) 243-6223
ir@ciena.com