Quickline Modernizes its Infrastructure and Expands Services with Harmonic's cOS Virtualized Broadband Platform

Key Takeaways

Quickline replaces legacy CMTS hardware with Harmonic's virtualized cOS platform.

New managed service lets Quickline offer virtualized infrastructure to regional ISPs.

Centralized architecture cuts power, space and operational complexity.

SAN JOSE, Calif. - Nov. 10, 2026 - Harmonic (NASDAQ: HLIT) today announced that Quickline AG, a Swiss telecommunications provider, is modernizing its infrastructure with Harmonic's cOS virtualized broadband platform. The operator's transition to a software-based broadband architecture creates a flexible foundation for continuous network evolution, while simplifying operations and reducing power and space requirements. This transition also enables Quickline to speedily introduce fully managed broadband services for additional regional ISPs, creating new revenue opportunities.

As a wholesale broadband provider supporting 23 regional network operators, we needed a platform that gives us the flexibility to grow and introduce new services, said Torsten Schubert, Head of Network Engineering at Quickline AG. Harmonic's cOS virtualized broadband platform allows us to replace complex, decentralized CMTS hardware with a software-based architecture that can scale with subscriber demand. At the same time, it creates new pathways for us to deliver managed broadband services to our regional partners.

Centralized Infrastructure for Simplified Operations

By transitioning from legacy integrated CMTS hardware to Harmonic's virtualized cOS platform, Quickline can overcome the traditional limitations of hardware-based infrastructure. This transformation enables Quickline to centralize network administration, streamline monitoring and maintenance, reduce operational complexity and enhance overall service reliability.

New Wholesale Model for Regional Operators

Quickline currently supports 23 independent network operators across Switzerland through its nationwide backbone infrastructure. Harmonic's high-availability cOS platform allows Quickline to extend its fully managed broadband services to additional regional broadband providers, giving them access to a centralized broadband infrastructure without requiring them to deploy and manage their own virtualized core. This model creates a new wholesale revenue opportunity for Quickline and gives regional providers a practical path to evolve their networks.

Quickline's adoption of the cOS platform is a great example of how broadband virtualization can help operators move beyond hardware limitations, accelerate network innovation and create new revenue streams, said Stefan Meier, Vice President of Sales, Europe, at Harmonic. Quickline is not only modernizing its own infrastructure but also creating a scalable managed service model that can help smaller operators modernize their networks with greater speed and confidence.

Harmonic is the market share leader in cable broadband equipment, virtual CMTS and DAA, according to Dell'Oro Group, the trusted source for market information about the telecommunications, networks and data center IT industries. Harmonic's market-leading cOS platform powers next-generation broadband services through more than 52 million CPE devices worldwide for leading operators across North America, Europe, Latin America and Asia. To learn more about Harmonic's virtualized broadband platform, visit www.harmonicinc.com.

About Harmonic

Harmonic (NASDAQ: HLIT), the worldwide leader in virtualized broadband solutions, is transforming multi-gigabit connectivity. The company's industry-leading cOS virtualized broadband platform, suite of solutions for fiber and DOCSIS, and a growing portfolio of AI-powered network intelligence solutions enable broadband service providers to simplify operations, deliver exceptional subscriber experiences and expand revenue streams. With thousands of vCMTS servers and hundreds of thousands of RPDs deployed globally, Harmonic powers next-generation broadband services with five-nines reliability. Anchored with a customer-first approach and driven by a legacy of innovation, Harmonic supports broadband service providers at every stage of their network evolution. More information is available at www.harmonicinc.com.

Harmonic, the Harmonic logo and other Harmonic marks are owned by Harmonic Inc. or its affiliates. All other trademarks referenced herein are the property of their respective owners.

Legal Notice Regarding Forward-Looking Statements

This press release contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933 and Section 21E of the Securities Exchange Act of 1934. Statements concerning Harmonic's business and the anticipated capabilities, advantages, reliability, efficiency, market acceptance, market growth, specifications and benefits of Harmonic products, services and technology are forward-looking statements. These statements are based on our current expectations and beliefs and are subject to risks and uncertainties, including the risks and uncertainties more fully described in Harmonic's filings with the Securities and Exchange Commission, including its Annual Report on Form 10-K for the year ended Dec. 31, 2025, its Quarterly Reports on Form 10-Q and its Current Reports on Form 8-K. The forward-looking statements in this press release are based on information available to Harmonic as of the date hereof, and Harmonic disclaims any obligation to update any forward-looking statements.

LINK:	https://www.harmonicinc.com/press-releases/quickline-modernizes-its-in...
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