Attached files

file filename
EX-31.2 - EXHIBIT 31.2 - Five9, Inc.a123117exhibit312.htm
EX-31.1 - EXHIBIT 31.1 - Five9, Inc.a123117exhibit311.htm
EX-23.1 - EXHIBIT 23.1 - Five9, Inc.a123117exhibit231.htm
EX-21.1 - EXHIBIT 21.1 - Five9, Inc.a123117exhibit211.htm
EX-10.16 - EXHIBIT 10.16 - Five9, Inc.a123117exhibit1016.htm
EX-10.14 - EXHIBIT 10.14 - Five9, Inc.a123117exhibit1014.htm
10-K - 10-K - Five9, Inc.a12311710k.htm


Exhibit 32.1
CERTIFICATION OF CHIEF EXECUTIVE OFFICER AND CHIEF FINANCIAL OFFICER
PURSUANT TO 18 U.S.C. SECTION 1350,
AS ADOPTED PURSUANT TO
SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002
I, Barry Zwarenstein, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report of Five9, Inc. (the “Company”) on Form 10-K for the fiscal year ended December 31, 2017 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Annual Report on Form 10-K fairly presents in all material respects the financial condition and results of operations of the Company.
 
Date:
March 1, 2018
 By:
/s/ Barry Zwarenstein
 
 
 
Barry Zwarenstein
 
 
 
Interim Chief Executive Officer



I, Barry Zwarenstein, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that the Annual Report of Five9, Inc. (the “Company”) on Form 10-K for the fiscal year ended December 31, 2017 fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that information contained in such Annual Report on Form 10-K fairly presents in all material respects the financial condition and results of operations of the Company.
 
Date:
March 1, 2018
 By:
/s/ Barry Zwarenstein
 
 
 
Barry Zwarenstein
 
 
 
Chief Financial Officer


This certification accompanies the Form 10-K to which it relates, is not deemed filed with the Securities and Exchange Commission and is not to be incorporated by reference into any filing of Five9, Inc. under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended (whether made before or after the date of the Form 10-K), irrespective of any general incorporation language contained in such filing.