X0306 4 2016-03-09 0 0001288847 Five9, Inc. FIVN 0001639187 Crane Michael J. C/O FIVE9, INC., BISHOP RANCH 8, 4000 EXECUTIVE PARKWAY, SUITE 400 SAN RAMON CA 94583 0 1 0 0 EVP, Services Common Stock 2016-03-09 4 A 0 21560 0.00 A 103060 D Common Stock 2016-03-10 4 S 0 8295 7.85 D 94765 D Employee Stock Option (right to buy) 8.13 2016-03-09 4 A 0 44950 0.00 A 2026-02-18 Common Stock 44950 44950 D Includes 1,500 shares acquired under the Five9, Inc. employee stock purchase plan on November 13, 2015. The reported sales were to cover taxes upon the vesting of restricted stock units. The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $7.77 to $7.91. The reporting person undertakes to provide Five9, Inc., any security holder of Five9, Inc., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of shares sold at each separate price within the ranges set forth in this footnote. The option vests in 48 equal monthly installments beginning on the one month anniversary of February 18, 2016. /s/ David Hill, attorney-in-fact 2016-03-11