TDF Expands Broadcast Channel Lineup with Harmonic

Harmonic's Media Processing Solutions Maximize Bandwidth Efficiency for Terrestrial Broadcast Delivery SAN JOSE, Calif. - April 1, 2026 - Harmonic (NASDAQ: HLIT) today announced that TDF, a major broadcast infrastructure operator in France, has modernized its terrestrial broadcast network with Harmonic's XOS Advanced Media Processor and ProStream X Video Stream Processor. Harmonic's media processing solutions boost TDF's channel capacity while ensuring exceptional video quality and optimal bandwidth efficiency across its digital terrestrial television (DTT) network.

As demand for broadcast services continues to grow, we needed a more efficient way to expand our channel offering without increasing bandwidth allocation, said Nathalie Coup , senior engineer specialized in audiovisual headend systems design at TDF. Harmonic's XOS media processor allows us to elevate channel capacity while making more efficient use of our available spectrum. Its resilient and flexible architecture provides a strong foundation for the continued evolution of our terrestrial broadcast network.

TDF distributes audiovisual services for tier-one public and private broadcasters across France. With Harmonic's media processing solutions, TDF can now support six linear HD channels - BFM TV, CNEWS, CSTAR, NOVO19, T18 and GULLI - within the same multiplex bandwidth that previously carried five HD channels. Harmonic's media processing solutions ensure maximum resiliency and uninterrupted service through dual-site architecture spanning geographically separated headend facilities.

The software-based XOS media processor leverages AI-driven compression and Harmonic's PURE Compression Engine to deliver superior video quality at the lowest possible bitrates. The XOS processor supports HEVC encoding and 1080p source processing with HDR Dolby Vision, providing TDF with a future-ready solution for evolving its broadcast headend. Harmonic's ProStream X stream processor provides remote statistical multiplexing, allowing bandwidth sharing across multiple sites for efficient channel delivery.

Harmonic's media processing solutions are enabling operators like TDF to maximize the efficiency of terrestrial broadcast networks, said Tony Berthaud, senior vice president, sales, EMEA and APAC at Harmonic. By leveraging the XOS media processor and our PURE compression technology, TDF can deliver more broadcast channels, optimize bandwidth usage and prepare its infrastructure for future broadcast innovations.

Harmonic will showcase its media processing innovations at the 2026 NAB Show, April 19-22, in booth W2831. To schedule a meeting with Harmonic, visit www.harmonicinc.com/video-streaming/events/nab. More information about Harmonic and the company's solutions is available at www.harmonicinc.com.

About Harmonic

Harmonic (NASDAQ: HLIT), the worldwide leader in virtualized broadband and video delivery solutions, enables media companies and service providers to deliver ultra-high-quality video streaming and broadcast services to consumers globally. The company revolutionized broadband networking via the industry's first virtualized broadband solution, enabling operators to more flexibly deploy gigabit internet services to consumers' homes and mobile devices. Whether simplifying OTT video delivery via innovative cloud and software platforms, or powering the delivery of gigabit internet services, Harmonic is changing the way media companies and service providers monetize live and on-demand content on every screen. More information is available at www.harmonicinc.com.

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.

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.

LINK:	https://www.harmonicinc.com/press-releases/tdf-expands-broadcast-chann...
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