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Polycom HDX Series Completes Cisco Interoperability Testing and Joins Cisco Developer Network Program

PLEASANTON, Calif. – Nov. 19, 2009 – Polycom, Inc. (Nasdaq: PLCM), announced that it has joined the Cisco
Developer Network Program as part of the program’s Unified Communications technology category. In addition
Polycom’s HDX 4000™, HDX 6000™, HDX 7000™, HDX 8000™ and HDX 9000™ systems have successfully
completed interoperability testing with Cisco’s Unified Communications Manager versions 6.0 and 7.0.
For more information about these products please go to: http://www.polycom.com/cisco

The Cisco Developer Network (www.cisco.com/go/cdn) unites Cisco with third-party developers of hardware and
software to deliver tested interoperable solutions to joint customers. Members of the program share Cisco’s strong
commitment to customer service and satisfaction and are required to undergo interoperability testing based on criteria
set forth by Cisco. With offerings such as Polycom’s HDX series telepresence systems, 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.

About Polycom
Polycom, Inc. (Nasdaq: PLCM) is a global leader in telepresence, video, and voice solutions and a visionary in
communications that empower people to connect and collaborate everywhere. Visit www.polycom.com for more
information and follow us on Twitter @AllAboutPolycom.