ACI WORLDWIDE INC

Ticker: ACIW CUSIP: 004498101 Class: EQTY

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

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

Q4 2017

Shares 404,800 Value ($000) $9,177 Avg Close $23.22 Range $22.01 - $25.00

Q3 2017

Shares 407,165 Value ($000) $9,275 Avg Close $22.65 Range $21.03 - $24.65

Q2 2017

Shares 400,590 Value ($000) $8,961 Avg Close $22.38 Range $20.51 - $23.97

Q1 2017

Shares 283,810 Value ($000) $6,071 Avg Close $20.29 Range $18.20 - $22.96

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2017	404,800	$9,177	$23.22	$22.01 - $25.00
Q3 2017	407,165	$9,275	$22.65	$21.03 - $24.65
Q2 2017	400,590	$8,961	$22.38	$20.51 - $23.97
Q1 2017	283,810	$6,071	$20.29	$18.20 - $22.96