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Ciena Appoints Mary G. Puma to Board of Directors

Ciena (NYSE: CIEN) today announced that Mary G. Puma has been appointed to its Board of Directors, effective immediately.

Ms. Puma previously served as President and Chief Executive Officer of Axcelis Technologies, Inc., a publicly held company engaged in the supply of capital equipment for the semiconductor chip manufacturing industry, from January 2002 to May 2023. Prior to becoming CEO of Axcelis, she served as its President and Chief Operating Officer from July 2000. In 1998, she became General Manager and Vice President of the company’s predecessor, the Implant Systems Division of Eaton Corporation. Prior to joining Eaton in 1996, Ms. Puma spent 15 years in various marketing and general management positions at General Electric.

“Mary is a highly respected industry leader who brings a wealth of technology experience to Ciena, notably in the supply chain with electronics and semiconductors. Her impressive track record of driving innovation as well as her deep operational and governance background will be a tremendous addition as we continue to execute on our strategy and build on our market leadership position,” said Gary B. Smith, president and CEO of Ciena.

Ms. Puma has served as Executive Chairperson of the Board of Directors at Axcelis since May 2023, and previously served as Chairperson of the Board from 2005 to 2015. She is also a director of Nordson Corporation and SMART Global Holdings and, since December 2022, has been Chairperson of the Board of SEMI, a global industry association serving the manufacturing supply chain for the micro- and nano-electronics industries.

Ms. Puma holds a Bachelor of Arts degree in economics from Tufts University and a Master of Science degree from the MIT Sloan School of Management.

About Ciena

Ciena (NYSE: CIEN) is a global leader in networking systems, services, and software. We build the most adaptive networks in the industry, enabling customers to anticipate and meet ever-increasing digital demands. For three-plus decades, Ciena has brought our humanity to our relentless pursuit of innovation. Prioritizing collaborative relationships with our customers, partners, and communities, we create flexible, open, and sustainable networks that better serve all users—today and into the future. For updates on Ciena, follow us on LinkedIn, Twitter, the Ciena Insights blog, or visit

Note to Ciena Investors

You are encouraged to review the Investors section of our website, where we routinely post press releases, SEC filings, recent news, financial results, and other announcements. From time to time, we exclusively post material information to this website along with other disclosure channels that we use. This press release contains certain forward-looking statements that are based on our current expectations, forecasts, information and assumptions. These statements involve inherent risks and uncertainties. Actual results or outcomes may differ materially from those stated or implied, because of risks and uncertainties, including those detailed in our most recent annual and quarterly reports filed with the SEC. Forward-looking statements include statements regarding our expectations, beliefs, intentions or strategies and can be identified by words such as "anticipate," "believe," "could," "estimate," "expect," "intend," "may," "should," "will," and "would" or similar words. Ciena assumes no obligation to update the information included in this press release, whether as a result of new information, future events or otherwise.


Press Contact: Nicole Anderson

Ciena Corporation

+1 (410) 694-5761

Investor Contact: Gregg Lampf

Ciena Corporation

+1 (410) 694-5700

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