FIVN Five9 Inc

Five9, Inc. (Nasdaq:FIVN) today announced that it will release financial results for the third quarter ended September 30, 2015 following the close of market on Tuesday, November 3, 2015. The Company will host a corresponding conference call and webcast at 4:30 p.m. Eastern Time on that day.

Investors may listen to the conference call (ID 695528) by dialing 877-780-3379 or 719-457-2644 at 4:30 p.m. Eastern Time on November 3, 2015. An audio replay of the call will be available through November 17, 2015 by dialing 888-203-1112 or 719-457-0820 and entering access code 695528.

A webcast of the call will be available on the Investor Relations section of the Company's website at http://investors.five9.com/.

About Five9

Five9 is a leading provider of cloud contact center software, bringing the power of the cloud to thousands of customers and facilitating more than three billion customer interactions annually. Since 2001, Five9 has led the cloud revolution in contact centers, delivering software to help organizations of every size transition from premise-based software to the cloud. With its extensive expertise, technology, and ecosystem of partners, Five9 delivers secure, reliable, scalable cloud contact center software to help businesses create exceptional customer experiences, increase agent productivity and deliver tangible results. For more information visit www.five9.com.

CONTACT: Investor Relations Contact:
         
         Barry Zwarenstein
         Chief Financial Officer
         Five9, Inc.
         925-201-2000 ext. 5959
         IR@five9.com
         
         Lisa Laukkanen
         The Blueshirt Group for Five9, Inc.
         415-217-4967
         Lisa@blueshirtgroup.com