Ciena® Corporation (NYSE: CIEN) expects to announce results for its fiscal second quarter ended April 29, 2017 on Thursday, June 1, 2017 before the open of the financial markets. The press release also will be available on Ciena’s website at www.ciena.com.

In conjunction with the announcement, Ciena’s management team will host a live audio web broadcast beginning at 8:30 AM (Eastern) on June 1, 2017 accessible via www.ciena.com.

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For those listeners unable to participate in the live web broadcast, an archived version of the conference call will be available shortly following the conclusion of the live call in the Investor Relations/Events section of Ciena’s website at www.ciena.com.

About Ciena

Ciena (NYSE: CIEN) is a network strategy and technology company. We translate best-in-class technology into value through a high-touch, consultative business model – with a relentless drive to create exceptional experiences measured by outcomes. For updates on Ciena, follow us on Twitter @Ciena, LinkedIn, the Ciena Insights blog, or visit www.ciena.com.