Omneon MediaGrid(TM) Active Storage System to Sit at Heart of Live Production for 2012 Summer Games

The Omneon MediaGrid System Will Enable an Efficient File-Based Workflow for Fast-Turnaround Sports Coverage

SAN JOSE, Calif. -- Oct. 17, 2011 -- Harmonic Inc. (NASDAQ: HLIT) today announced that BBC Sport will use the Omneon MediaGrid(TM) active storage system at the International Broadcast Centre (IBC) as part of the file-based quick-turnaround sports workflow supporting the broadcaster's London 2012 Olympic Games coverage. Hyperactive, one of the U.K.'s largest equipment hire companies, is working with Dega Broadcast Systems to supply the MediaGrid, which will provide 3,500 hours of efficient work-in-progress storage.

Installed in Stratford, London, as part of an integrated live production solution incorporating EVS servers, the MediaGrid storage system will provide efficient, highly available storage optimized for media. During the games, events will be recorded onto EVS servers for logging, replay, and basic editing. Content will also be streamed to the MediaGrid via EVS XTAccess, with high-res and proxy files being stored on the MediaGrid. In addition to supporting numerous simultaneous ingests, the system will enable production staff to search and view a proxy version of footage using EVS IP Browse clients.

The MediaGrid system will work in tandem with an Avid ISIS and Media Composer editing solution to support the creation of features, highlights packages, and news-based packages. EVS and Avid plugins will facilitate search, import, and export functions, ensuring that finished content is delivered to the appropriate destination or EVS playout server.

"BBC Sport needed the efficient bandwidth that the MediaGrid storage system provides to support a fast-turn production workflow that will play a critical role in its broadcast of the 2012 Summer Games," said Geoff Stedman, general manager for the storage solutions division at Harmonic Inc. "We've worked closely with the BBC to ensure that we are meeting its short- and long-term business needs, and we've brought on board other key players, including Hyperactive Broadcast and Dega Broadcast Systems, that will contribute to the overall success of this landmark broadcast event."

More information about the MediaGrid active storage system can be found at www.harmonicinc.com.

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About Harmonic Inc. Harmonic Inc. (NASDAQ: HLIT) provides infrastructure that powers the video economy. The company enables content and service providers to efficiently create, prepare, and deliver differentiated video services for television and new media platforms. More information is available at www.harmonicinc.com.

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, including statements related to the capabilities and anticipated benefits of our Omneon MediaGrid storage solution. Our expectations and beliefs regarding this product may not materialize and are subject to risks and uncertainties, including, without limitation, the possibility that one or more of the expected benefits, such as the ability to enable an efficient file-based, fast-turnaround, workflow and efficient, highly available storage optimized for media, are not achieved.

The forward-looking statements contained in this press release are also subject to other risks and uncertainties, such as those 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, 2010, 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.

EDITOR'S NOTE - Product and company names used herein are trademarks or registered trademarks of their respective owners.

CONTACTS: Harmonic Contact: Paulien Ruijssenaars Director of Public Relations for Harmonic Tel. +1.408.490.7021 Email: press@harmonicinc.com

Harmonic Investor Relations Contact: Michael Newman Investor Relations for Harmonic StreetConnect Tel. +1.408.542.2760 Email: hlit@stct.com

Agency Contact: Sunny Branson Wall Street Communications +1 801 582 0581 Email: sunny@wallstcom.com

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