Five9, Inc.

Form 5500

FIVE9, INC.

3001 Bishop Drive Suite 350, San Ramon, Ca 94583 (925) 201-2209 EIN:94-3394123 Plan Admin:Matt Lechner

Year	Plan Name	Participants BOY/EOY	Assets BOY/EOY
2022	Plan NameFIVE9, INC.401(K) PLAN Plan #001 Participants BOY/EOY1,361 / 1,555 Assets BOY/EOY$96,087,557 / $97,646,053	2022	FIVE9, INC.401(K) PLAN - Plan #001	1,361 / 1,555	$96,087,557 / $97,646,053
2022	Plan NameFIVE9, INC. HEALTH AND WELFARE BENEFIT PLAN Plan #501 Participants BOY/EOY1,352 / 0 Assets BOY/EOY$0 / $0	2022	FIVE9, INC. HEALTH AND WELFARE BENEFIT PLAN - Plan #501	1,352 / 0	$0 / $0
2021	Plan NameFIVE9, INC.401(K) PLAN Plan #001 Participants BOY/EOY1,052 / 1,361 Assets BOY/EOY$67,118,919 / $96,087,557	2021	FIVE9, INC.401(K) PLAN - Plan #001	1,052 / 1,361	$67,118,919 / $96,087,557
2021	Plan NameFIVE9, INC. HEALTH AND WELFARE BENEFIT PLAN Plan #501 Participants BOY/EOY1,192 / 0 Assets BOY/EOY$0 / $0	2021	FIVE9, INC. HEALTH AND WELFARE BENEFIT PLAN - Plan #501	1,192 / 0	$0 / $0
2020	Plan NameFIVE9, INC.401(K) PLAN Plan #001 Participants BOY/EOY825 / 1,052 Assets BOY/EOY$44,312,236 / $67,118,919	2020	FIVE9, INC.401(K) PLAN - Plan #001	825 / 1,052	$44,312,236 / $67,118,919
2020	Plan NameFIVE9, INC. HEALTH AND WELFARE BENEFIT PLAN Plan #501 Participants BOY/EOY781 / 0 Assets BOY/EOY$0 / $0	2020	FIVE9, INC. HEALTH AND WELFARE BENEFIT PLAN - Plan #501	781 / 0	$0 / $0
2019	Plan NameFIVE9, INC.401(K) PLAN Plan #001 Participants BOY/EOY689 / 825 Assets BOY/EOY$28,044,741 / $44,312,236	2019	FIVE9, INC.401(K) PLAN - Plan #001	689 / 825	$28,044,741 / $44,312,236
2019	Plan NameFIVE9, INC. HEALTH AND WELFARE BENEFIT PLAN Plan #501 Participants BOY/EOY657 / 0 Assets BOY/EOY$0 / $0	2019	FIVE9, INC. HEALTH AND WELFARE BENEFIT PLAN - Plan #501	657 / 0	$0 / $0