ZSCALER INC

Ticker: ZS CUSIP: 98980G102 Class: EQTY

TOCQUEVILLE ASSET MANAGEMENT L.P.'s Holding History (CIK: 0000883961)

Note: Option positions (PUT/CALL) are excluded.

Q3 2019

Shares 10,085 Value ($000) $477 Avg Close $72.02 Range $46.04 - $89.54

Q2 2019

Shares 19,035 Value ($000) $1,459 Avg Close $71.23 Range $60.02 - $82.25

Q1 2019

Shares 18,850 Value ($000) $1,337 Avg Close $53.12 Range $38.03 - $72.69

Q4 2018

Shares 17,350 Value ($000) $680 Avg Close $37.77 Range $30.72 - $44.00

Q3 2018

Shares 14,120 Value ($000) $576 Avg Close $40.40 Range $33.90 - $48.24

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2019	10,085	$477	$72.02	$46.04 - $89.54
Q2 2019	19,035	$1,459	$71.23	$60.02 - $82.25
Q1 2019	18,850	$1,337	$53.12	$38.03 - $72.69
Q4 2018	17,350	$680	$37.77	$30.72 - $44.00
Q3 2018	14,120	$576	$40.40	$33.90 - $48.24