Around the Office or Out in the Field, Plantronics Delivers Flexible Communications Tools 2

Press Release

Plantronics Advances to Preferred Solution Developer Within the Cisco Developer Network

London, UK – 13th December 2012 – Plantronics (NYSE: PLT) announced that it is a Preferred Solutions Developer within the Unified Communications technology category of Cisco’s Developer Network Program.

The Cisco Developer Network unites Cisco with third-party developers of hardware and software to deliver tested interoperable solutions to joint customers. As a Preferred Solution Developer, Plantronics has worked closely with Cisco to deliver enhanced solutions that deliver greater interoperability with Cisco networking solutions. Plantronics also shares Cisco’s strong commitment to customer service and satisfaction, has completed interoperability verification testing* based on criteria set forth by Cisco, and can provide their customers 24 hour, 5 days a week customer support.

With offerings such as the Savi ® 700 Series, Blackwire® 300/400/600 Series, CS500 Series, Voyager® PRO UC, and Calisto® 800 Series audio devices listed as CDN tested compatible in the Cisco Developer Network Marketplace Solutions Catalog [https://marketplace.cisco.com/catalog/companies/Plantronics], customers can more quickly deploy a broad range of Cisco Compatible business applications, devices, or services that can enhance the capabilities, performance, and management of their Cisco network.

For more information on Plantronics solutions, please visit http://www.plantronics.com/us/partners/cisco/.

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PRESS CONTACT

Emily Yuan

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Tel: +44 (0)787269 4239

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About Plantronics – Simply Smarter Communicatios™

Plantronics is a global leader in audio communications for business and consumers. For 50 years we’ve pioneered innovations in audio technology, creating solutions that combine superior call clarity and noise reduction with uncompromising quality and service. Originally designed for commercial aviation, today Plantronics products are used by every company in the Fortune 100, as well as by emergency call operators, air traffic controllers, and consumers around the world. From unified communications to Bluetooth headsets, Plantronics products allow you to simply communicate. www.plantronics.com.

* Interoperability testing is designed to simulate typical customer configurations, and does not replace the need for on-site testing in conjunction with actual implementation.

12/17/12