Press Release

BroadSoft Named one of the Fastest-growing Companies in North America by Deloitte for Fourth Consecutive Year

Attributes its Revenue Growth to Greater Awareness of Hosted Communication Applications

GAITHERSBURG, MD, October 26, 2010 – BroadSoft, Inc. (Nasdaq: BSFT), the leading global provider of IP-based communications services to the telecommunications industry, today announced that it has been ranked number 474 on Technology Fast 500 – Deloitte’s ranking of 500 of the fastest growing technology, media, telecommunications, life sciences and clean technology companies in North America. Rankings are based on percentage of fiscal year revenue growth during the period.

“We believe BroadSoft’s growth reflects the rapid adoption of IP-based communications services by enterprises and consumers around the world, as well as our dedication to building solutions that can be easily personalized to meet the needs of today’s market,” said Michael Tessler, president and CEO of BroadSoft. “We are honored to be recognized for a fourth consecutive year, and I credit the talent and dedication of the BroadSoft employees for this achievement.”

“BroadSoft and the other 2010 Technology Fast 500 winners forged ahead in a challenging economic environment to realize exceptional growth,” said Phil Asmundson, vice chairman and Deloitte’s U.S. technology, media and telecommunications leader. “Deloitte commends BroadSoft for this impressive accomplishment.”

“BroadSoft has proved itself to be one of the fastest growing tech companies in North America, and we are proud to honor them as one of the 2010 Technology Fast 500,” said Mark Jensen, managing partner, venture capital services, Deloitte & Touche LLP.

Overall, Technology Fast 500 award winners for 2010 had revenue growth ranging from 146 percent to 164,079 percent from 2005 to 2009, with an average growth of 2,361 percent.

For additional detail on the Technology Fast 500 including selection and qualifying criteria, visit www.fast500.com.

As used in this document, “Deloitte” means Deloitte LLP. Please see www.deloitte.com/us/about for a detailed description of the legal structure of Deloitte LLP and its subsidiaries.

About BroadSoft

BroadSoft provides software that enables fixed-line, mobile and cable service providers to deliver voice and multimedia services over their IP-based networks. The Company’s software, BroadWorks®, enables service providers to provide enterprises and consumers with a range of cloud-based, or hosted, IP multimedia communications, such as hosted IP private branch exchanges, video calling, unified communications, collaboration and converged mobile and fixed-line services.

BroadSoft and BroadWorks are registered trademarks of BroadSoft, Inc. All other names are trademarks of their respective owners.

Media Contacts:

Leslie Ferry

+1-240-364-9038

lferry@BroadSoft.com

Brian Lustig

+1-301-775-6203

brian@lustigcommunications.com

Alex Moorhouse

+44 (0) 207 751 4444

amoorhouse@miliberty.com


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