Ciena Corporation · NYSE:CIEN

Ciena — Investor Presentation (2026)

27 slides from Ciena's investor presentation, Apr 7, 2026

Slide 2: Forward-looking statements and non-GAAP measures
Forward-looking statements and non-GAAP measures You are encouraged to review the Investors section of our website, where we routinely post press releases, Securities and Exchange Commission (SEC) filings, recent news, financial results, supplemental financial information, and other announcements. F
Slide 3: Table of Contents
Table of Contents 1 Introduction to Ciena 2 Our industry context and growth strategy 3 Fiscal full-year 2025 financial performance 4 Appendix © Ciena Corporation 2026. All rights reserved. Proprietary Information.
Slide 5: Ciena is the global leader in high-speed connectivity
Ciena is the global leader in high-speed connectivity We build adaptive networks to support exponential growth in bandwidth demand – 2,400+ 4,500+ 9,000+ empowering our customers, partners, and patents R&D employees communities to thrive in the AI era. specialists With unparalleled expertise and inn
Slide 6: Our leaders set our vision and drive us forward
Our leaders set our vision and drive us forward Gary B. Smith Marc D. Graff David M. Rothenstein Sheela Kosaraju Jason Phipps President and SVP and SVP and SVP and General Counsel, SVP, Global Customer Chief Executive Officer Chief Financial Officer Chief Strategy Officer Interim Chief People Office
Slide 7: Optical technology underpins our business
Optical technology underpins our business Core business Expansion opportunities Specializing in high-speed optical Leveraging our optical leadership connectivity and automation to grow into new, adjacent markets Optical Optical Converged Disaggregated long distance metro / regional access and metro
Slide 8: We are the industry's innovation leaders
We are the industry’s innovation leaders Industry firsts:  Coherent optics for the WAN at 40G, 100G, 400G, 800G, and 1.6 Tb/s  Purpose-built coherent router for IP/Optical convergence  PON pluggable micro OLT  Advanced multi-domain, multi-layer network controller  Cloud-native OSS platform 4,50
Slide 9: Ciena's industry leadership is well-proven
Ciena’s industry leadership is well-proven #1 Globally #1 Globally #1 Globally • Purpose-built/compact modular DCI • Purpose-built/compact modular DCI • Data center interconnect • SLTE WDM • Optical for cloud and colo • Optical for cloud providers • SLTE WDM • Purpose-built/compact modular DCI #1 N.
Slide 11: Increasing bandwidth consumption is driving network expansion
Increasing bandwidth consumption is driving network expansion © Ciena Corporation 2026. All rights reserved. Proprietary Information.
Slide 12: An evolving industry is reshaping networking
An evolving industry is reshaping networking Generative AI User to cloud Cloud to cloud Enterprise and consumer Rapidly evolving cloud services Network anywhere Changing business models Service provider Cloud provider Network Network Diversifying product transformation at massive scale consumption m
Slide 13: Market dynamics are informing our strategic portfolio investments
Market dynamics are informing our strategic portfolio investments to address customers’ network requirements Service Provider Cloud Provider NETWORK NETWORK TRANSFORMATION @ MASSIVE SCALE SOFTWARE PLATFORMS ROUTING & SWITCHING OPTICAL SYSTEMS INTERCONNECTS Transform network and Modernize metro and M
Slide 14: Data center interconnect applications are expanding
Data center interconnect applications are expanding Wide Area Network Around Data Center Inside Data Center (WAN) Inter-Region Region Metro Campus Campus Data Center Intra DC Rack Rack Switch, Server and/or Storage PCB Switch, Server Region Campus Data Center Rack and/or PCB Storage 1,000’s  100’s
Slide 15: Together, Ciena and Nubis address expanding opportunities
Together, Ciena and Nubis address expanding opportunities in and around the data center 15 © Ciena Corporation 2026. All rights reserved. Proprietary Information.
Slide 16: Our product portfolio serves a broad ecosystem
Our product portfolio serves a broad ecosystem Core business Expansion opportunities High-speed Analog and Systems Coherent Modules DSP ASIC Electro-optics DRV DRV MOD MOD SerDes DAC/ DAC/ TIA SerDes DSP TIA RCVR SerDes DSP ADC ADC RCVR nITLA DAC/ ADC NAN O TODAY FUTURE Optical foundation 16 © Ciena
Slide 17: Future growth opportunities include core business and expansion applications
Future growth opportunities include core business and expansion applications In and Around the Data Center Use Cases • 400G ZR, 800G ZR (WL6 Nano) and 1.6T ZR • Scale Across DC Clusters for AI Infrastructure Connectivity • Data Center Out-of-band Management (DCOM) • Coherent Lite (1.6T LR) • Compone
Slide 19: Fiscal year 2025 key highlights
Fiscal year 2025 key highlights We are driving the pace of We have a strong business and We are committed to our people, innovation financial model communities, and the environment ▪ Extended leadership as global AI infrastructure • Ended the fiscal year with approximately $1.4 • Released our annual
Slide 20: Fiscal year 2025 comparative financial highlights
Fiscal year 2025 comparative financial highlights FY 2025 FY 2024 Revenue $4,770M $4,015M Adjusted Gross Margin* 42.7% 43.6% Adjusted Operating Expense* $1,506M $1,362M Adjusted Operating Margin* 11.2% 9.7% Adjusted EBITDA* $637M $481M Adjusted EPS* $2.64 $1.82 Cash and investments $1.4B $1.3B Gross
Slide 21: Revenue by segment
Revenue by segment (Amounts in millions) FY2024 FY 2025 Revenue %** Revenue %** Networking Platforms 47.9% 50% 43.6% 43.6% 5,000 43.5% 42.7% Optical Networking $2,642.6 65.8 $3,246.3 68.1 40% 4,000 Routing and Switching 399.5 10.0 $430.1 9.0 $-millions 30% 3,000 Total Networking Platforms 3,042.1 75
Slide 22: Revenue derived from non-telco customers
Revenue derived from non-telco customers FY 2025 Non-Telco Revenue: ~53% of Total Direct Cloud Provider Cable Gov't, R&E, & Enterprise 2,800 2,400 9% Direct Cloud Provider 2,000 6% 38% Cable 11% 11% $-millions 1,600 47% 7% 10% 8% Gov't, R&E, & Enterprise 1,200 11% 9% 9% 38% Telco 800 27% 30% 400 22%
Slide 23: Revenue by geographic region
Revenue by geographic region FY 2025 Americas APAC EMEA 6,000 15% 5,000 15% Americas 4,000 15% 9% 16% 9% $-millions APAC 19% 15% 14% 10% 3,000 12% 12% EMEA 2,000 76% 71% 74% 76% 1,000 70% 73% - FY 2021 FY 2022 FY 2023 FY 2024 FY 2025 23 © Ciena Corporation 2026. All rights reserved. Proprietary Info
Slide 25: Glossary of terms
Glossary of terms* Acronym Full Name Description High-density copper-based connectivity inside a data center rack that uses linear redrivers to boost signals, offering a cost-effective ACC Active Copper Cables and low-power solution for moderate distances. Integration of packet switching and optical
Slide 26: Additional resources
Additional resources Link Description Modern Data Center Interconnect (DCI) now spans metro, regional, backbone and subsea use cases, with AI driven “scale across” What Does DCI Really Mean Today? From Scale- architectures reshaping performance and operational requirements across all of them. Helen

Ciena — Investor Presentation (2026) on 6ix

Ciena — Investor Presentation (2026)

Slide 1: Ciena Corporation 2026 Investor Presentation

Slide 2: Forward-looking statements and non-GAAP measures

Slide 3: Table of Contents

Slide 4: An introduction to Ciena and our business

Slide 5: Ciena is the global leader in high-speed connectivity

Slide 6: Our leaders set our vision and drive us forward

Slide 7: Optical technology underpins our business

Slide 8: We are the industry's innovation leaders

Slide 9: Ciena's industry leadership is well-proven

Slide 10: Industry context and our growth strategy

Slide 11: Increasing bandwidth consumption is driving network expansion

Slide 12: An evolving industry is reshaping networking

Slide 13: Market dynamics are informing our strategic portfolio investments

Slide 14: Data center interconnect applications are expanding

Slide 15: Together, Ciena and Nubis address expanding opportunities

Slide 16: Our product portfolio serves a broad ecosystem

Slide 17: Future growth opportunities include core business and expansion applications

Slide 18: Fiscal full-year 2025 financial performance

Slide 19: Fiscal year 2025 key highlights

Slide 20: Fiscal year 2025 comparative financial highlights

Slide 21: Revenue by segment

Slide 22: Revenue derived from non-telco customers

Slide 23: Revenue by geographic region

Slide 24: Appendix

Slide 25: Glossary of terms

Slide 26: Additional resources

Slide 27: Thank you