WINTRUST FINL CORP

Ticker: WTFC CUSIP: 97650W108 Class: Com

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

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

Q3 2018

Shares 4,030 Value ($000) $342 Avg Close $89.02 Range $84.61 - $92.56

Q2 2018

Shares 4,030 Value ($000) $351 Avg Close $91.79 Range $83.47 - $99.96

Q1 2018

Shares 2,800 Value ($000) $241 Avg Close $86.12 Range $76.70 - $91.67

Q4 2017

Shares 2,800 Value ($000) $231 Avg Close $80.52 Range $76.00 - $86.80

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	4,030	$342	$89.02	$84.61 - $92.56
Q2 2018	4,030	$351	$91.79	$83.47 - $99.96
Q1 2018	2,800	$241	$86.12	$76.70 - $91.67
Q4 2017	2,800	$231	$80.52	$76.00 - $86.80