Tewksbury, MA - July 14, 2009 - Starent Networks, Corp. (Nasdaq: STAR), a leading provider of infrastructure solutions that enable mobile operators to deliver multimedia services, announced today that it will release its financial results for the quarter ended June 30, 2009 on Thursday, July 23, 2009 after the close of the market and will host a conference call at 5:00 p.m. Eastern time on that day. A simultaneous webcast will also be available on the company’s website in the investor relations section. On the call, President and Chief Executive Officer, Ashraf Dahod, and Vice President of Operations and Chief Financial Officer, Paul Milbury, will discuss the company’s second quarter financial results, as well as the company's business outlook.

A telephone replay of the call will be available following the conference call through July 30, 2009. To access the replay, parties in the United States and Canada should call 888-286-8010 and parties outside of the United States and Canada should call 617-801-6888. The passcode for the replay is 96583811. An archived version of the webcast will be available until September 30, 2009 on the company’s website at http://ir.starentnetworks.com.