Ciena Announces Reporting Date and Web Broadcast for Fiscal Fourth Quarter and Year End 2024 Results

Ciena® Corporation (NYSE: CIEN) expects to announce its fiscal fourth quarter and year-end financial results on Thursday, December 12, 2024 before the open of the financial markets. The press release will be available on Ciena’s website at www.ciena.com.

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For those listeners unable to participate in the live web broadcast, an archived version of the conference call will be available shortly following the conclusion of the live call in the Events & Presentations section of the Investor Relations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

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 www.ciena.com.

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Press Contact: Jamie Moody Ciena Corporation [phone] [e-mail]

Investor Contact: Gregg Lampf Ciena Corporation [phone] [e-mail]