Ciena^® Corporation (NYSE: CIEN), a networking systems, services and software company, announced today that proxy materials are now available for its 2024 Annual Meeting of Stockholders to be held Thursday, March 21, 2024 at 3:00 p.m. Eastern Time.

Event: 2024 Annual Meeting of Stockholders

Date: Thursday, March 21, 2024, 3:00 p.m. ET

Listen Live: An audio webcast of the meeting, accompanied by a slide presentation, will be posted at the time of the event. Stockholders of record will be able to ask questions through the virtual platform. Registration and all materials can be found at www.virtualshareholdermeeting.com/CIEN2024

Stockholder Materials: Proxy materials for the 2024 Annual Meeting are now available on the Ciena Investor Relations website at http://investor.ciena.com.

Online Annual Report: The 2023 Annual Report is now available and can be downloaded here or at http://investor.ciena.com. The interactive version of the 2023 Annual Report is also available and can be accessed here.

Additional Stockholder Information: Ciena stockholders as of the January 22, 2024 record date for the Annual Meeting will be mailed a "Notice Regarding the Availability of Proxy Materials" and will be entitled to attend, vote and submit questions at the Annual Meeting by entering the 16-digit control number included in their notice. The notice will also include instructions for accessing Ciena's proxy materials online or requesting paper copies of the materials.

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 Twitter @Ciena, LinkedIn, the Ciena Insights blog, or visit www.ciena.com.

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