WORKDAY INC

Ticker: WDAY CUSIP: 98138H101 Class: CL A

CASTLEARK MANAGEMENT LLC's Holding History (CIK: 0001106832)

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

Q2 2019

Shares 2,420 Value ($000) $498 Avg Close $201.94 Range $179.08 - $221.00

Q1 2019

Shares 1,940 Value ($000) $374 Avg Close $181.88 Range $152.32 - $200.00

Q4 2018

Shares 800 Value ($000) $128 Avg Close $141.68 Range $117.72 - $172.67

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2019	2,420	$498	$201.94	$179.08 - $221.00
Q1 2019	1,940	$374	$181.88	$152.32 - $200.00
Q4 2018	800	$128	$141.68	$117.72 - $172.67