Five9, Inc. — Director's Dealing 2016

May 19, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Five9, Inc. (FIVN)
CIK: 0001288847
Period of Report: 2016-05-18

Reporting Person: Welsh David S. (Director, 10% Owner)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-05-18	Common Stock	A	15000	$0.00	Acquired	67173	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	2584821	Indirect
Common Stock	2235689	Indirect
Common Stock	1269991	Indirect
Common Stock	1084176	Indirect

Footnotes

F1: The reported shares are owned directly by David Welsh, who is a partner of Adams Street Partners, LLC ("ASP"). ASP is the managing member of the general partner of Adams Street 2008 Direct Fund, LP ("AS 2008"), Adams Street 2009 Direct Fund, LP ("AS 2009"), Adams Street 2010 Direct Fund, LP ("AS 2010") and the managing member of the general partner of the general partner of Adams Street 2011 Direct Fund LP ("AS 2011") (such funds collectively, the "Funds"). By agreement with the Funds, Mr. Welsh is deemed to hold the shares for the benefit of the Funds. Mr. Welsh disclaims beneficial ownership of the shares except to the extent of his pecuniary interest therein.

F2: The reported securities are owned directly by AS 2008 (the "Shares") and indirectly by ASP as the managing member of the general partner of AS 2008. The securities owned by AS 2008 may be deemed to be beneficially owned by ASP and David S. Welsh, who is a partner of ASP, and may be deemed to have shared voting and investment power over the shares. Mr. Welsh disclaims beneficial ownership of the Shares except to the extent of his pecuniary interest therein.

F3: The reported securities are owned directly by AS 2009 (the "Shares") and indirectly by ASP as the managing member of the general partner of AS 2009. The securities owned by AS 2009 may be deemed to be beneficially owned by ASP and David S. Welsh, who is a partner of ASP, and may be deemed to have shared voting and investment power over the shares. Mr. Welsh disclaims beneficial ownership of the Shares except to the extent of his pecuniary interest therein.

F4: The reported securities are owned directly by AS 2010 (the "Shares") and indirectly by ASP as the managing member of the general partner of AS 2010. The securities owned by AS 2010 may be deemed to be beneficially owned by ASP and David S. Welsh, who is a partner of ASP, and may be deemed to have shared voting and investment power over the shares. Mr. Welsh disclaims beneficial ownership of the Shares except to the extent of his pecuniary interest therein.

F5: The reported securities are owned directly by AS 2011 (the "Shares") and indirectly by ASP as the managing member of the general partner of AS 2011. The securities owned by AS 2011 may be deemed to be beneficially owned by ASP and David S. Welsh, who is a partner of ASP, and may be deemed to have shared voting and investment power over the shares. Mr. Welsh disclaims beneficial ownership of the Shares except to the extent of his pecuniary interest therein.