Ciena® Corporation (NYSE: CIEN) today announced its expected participation in the following upcoming events with the financial community. The events will be webcast live and recorded. Archived versions are expected to be made available approximately one hour following the presentation of the live event in the Investor Relations section of Ciena’s website at www.ciena.com.

• Evercore ISI Inaugural TMT Conference
  
  Tuesday, June 8, 2021 @ 2:45 PM Eastern Time
  
  Speaker: Jim Moylan, Senior Vice President & Chief Financial Officer

• Stifel 2021 Virtual Cross Sector Insight Conference
  
  Wednesday June 9, 2021 @ 2:40 PM Eastern Time
  
  Speaker: Scott McFeely, Senior Vice President, Global Products & Services

• BofA Securities 2021 Global Technology Conference
  
  Thursday, June 10, 2021 @ 9:15 AM Eastern Time
  
  Speaker: Jim Moylan, Senior Vice President & Chief Financial Officer

About Ciena

Ciena (NYSE: CIEN) is a networking systems, services and software company. We provide solutions that help our customers create the Adaptive Network™ in response to the constantly changing demands of their end-users. By delivering best-in-class networking technology through high-touch consultative relationships, we build the world’s most agile networks with automation, openness and scale. For updates on Ciena, follow us on Twitter @Ciena, LinkedIn, the Ciena Insights blog, or visit www.ciena.com.

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