Slide 1: Ciena to Acquire Nubis Communications to Expand AI-Driven Data Center Strategy
Ciena to Acquire Nubis Communications to Expand AI-Driven Data Center Strategy September 22, 2025 © Ciena Corporation 2025. All rights reserved. Proprietary Information.
Slide 2: Forward-looking statements
Forward-looking statements Information in this presentation and related comments of presenters contain certain forward-looking statements that involve risks and uncertainties. These statements are based on current expectations, forecasts, assumptions and other information available to Ciena as of th
Slide 3: Agenda
Agenda 1 The ongoing evolution of technology inside the data center 2 Where Ciena and Nubis fit 3 About Nubis and its technologies 4 Better together: Ciena + Nubis 5 Positioned to win in an evolving ecosystem 6 Strategic rationale 7 Transaction highlights 3 © Ciena Corporation 2025. All rights reser
Slide 4: The ongoing evolution of technology in and around the data center
1 The ongoing evolution of technology in and around the data center Scale Across Scale Out Scale Up Region Data Center Rack Switch Compute Inter- Inter- Inter- Storage Inter- Campus Pod Device Region (100km) (2km) (10m) Inter-DC Inter-Rack Inter-Component (1000km) (20km) (100m / 500m) (1m) Long dist
Slide 5: Where Ciena and Nubis fit
2 Where Ciena and Nubis fit Scale Across Scale Out Scale Up Region Data Center Rack Switch Compute Inter- Inter- Inter- Storage Inter- Campus Pod Device Region (100km) (2km) (10m) Inter-DC Inter-Rack Inter-Component (1000km) (20km) (100m / 500m) (1m) Long distance Data centers built on campuses with
Slide 6: About Nubis
3 About Nubis Company overview Funding overview Key personnel Founded in September 2020 Dan Harding, CEO $50M+ in funding raised HQ: New Providence, New Jersey ▪ 16 years as VP at Broadcom Privately-held, venture-backed Peter Winzer, CTO & Founder ▪ 20 years at Bell Labs 50+ employees, >60% with PhD
Slide 7: Nubis' technologies
3 Nubis’ technologies High-performance optical and electrical interconnects designed for inside the data center Co-Packaged Optics (CPO): Electrical Interconnects: XT Optical Engines (scale up & out) Nitro Linear Redriver (scale up) • Enables ultra-fast data transfer using light instead of • Enables
Slide 8: Better together: Ciena + Nubis
4 Better together: Ciena + Nubis Nubis addresses key functional gaps within Ciena’s Interconnects portfolio Chips / Chiplets Electronic Integrated Circuit (EIC) Photonic Integrated Circuit (PIC) Source Digital Analog Optical Switch DSP SerDes ADC / DAC Driver Amplifier Modulator Photodiode Laser / X
Slide 9: Positioned to win in an evolving ecosystem
5 Positioned to win in an evolving ecosystem CPO / NPO Electrical (ACC) Ciena and Nubis together deliver a unique value proposition: • 2D surface-coupled fiber array for high-density • Advanced engineering approach scaling • Breakthrough reach for active copper at 200Gbps • Up to 30% lower power /bi
Slide 10: Strategic rationale
6 Strategic rationale Opens new market entry Improves competitive points inside the Data Advances innovation advantage Center Expands Ciena’s Interconnects Increases technical expertise Nubis XT optical engine + portfolio with advanced and knowledge inside the DC Ciena’s high-speed SerDes CPO/NPO an
Slide 11: Transaction highlights
7 Transaction highlights Structure • Reverse triangular merger Purchase Price / • $270 million Consideration • All-cash transaction funded by cash on Ciena’s balance sheet • Subject to customary purchase price adjustment for net working capital • No material impact expected to Ciena’s revenue or ope
Slide 12: © Ciena Corporation 2025. All rights reserved. Proprietary Information.
12 © Ciena Corporation 2025. All rights reserved. Proprietary Information.