Ciena® Corporation (NYSE:  CIEN) expects to announce its fiscal fourth quarter and year end financial  results on Thursday, December 9, 2021 before the open of the financial markets.  The press release will be available on Ciena’s website at

In conjunction with the announcement, Ciena will post an additional set  of supporting materials to the Quarterly  Results page of  the Investor Relations section of its website. Ciena’s management will then  host a live audio web broadcast beginning at 8:30 a.m. Eastern accessible via

Rebroadcast Information
For those  listeners unable to participate in the live web broadcast, an archived version  of the conference call will be available shortly following the conclusion of  the live call in the Events  & Presentations section  of the Investor Relations section of Ciena’s website.

About Ciena
Ciena (NYSE: CIEN) is a networking systems, services and software company. We provide solutions that help our customers create the Adaptive NetworkTM 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