MITEK SYS INC

Ticker: MITK CUSIP: 606710200 Class: Common Stock

DRIEHAUS CAPITAL MANAGEMENT LLC's Holding History (CIK: 0000938206)

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

Q3 2017

Shares 562,096 Value ($000) $5,340 Avg Close $9.77 Range $8.10 - $10.75

Q2 2017

Shares 66,714 Value ($000) $560 Avg Close $8.16 Range $6.45 - $9.15

Q1 2017

Shares 19,385 Value ($000) $129 Avg Close $6.17 Range $5.50 - $6.90

Q4 2016

Shares 30,193 Value ($000) $186 Avg Close $6.53 Range $5.26 - $8.54

Q3 2016

Shares 489,551 Value ($000) $4,058 Avg Close $7.84 Range $6.89 - $8.77

Q2 2016

Shares 502,323 Value ($000) $3,572 Avg Close $7.46 Range $5.53 - $9.49

Q1 2016

Shares 746,395 Value ($000) $4,881 Avg Close $5.12 Range $3.95 - $6.70

Q4 2015

Shares 1,161,025 Value ($000) $4,772 Avg Close $4.02 Range $3.01 - $5.37

Q3 2015

Shares 125,739 Value ($000) $401 Avg Close $3.51 Range $2.71 - $4.23

Q2 2015

Shares 93,100 Value ($000) $353 Avg Close $3.42 Range $2.86 - $4.05

Q4 2014

Shares 379,100 Value ($000) $1,255 Avg Close $3.01 Range $1.80 - $4.10

Q4 2013

Shares 72,632 Value ($000) $431 Avg Close $5.79 Range $4.96 - $7.11

Q3 2013

Shares 107,377 Value ($000) $554 Avg Close $5.46 Range $4.85 - $6.59

Q2 2013

Shares 233,668 Value ($000) $1,351 Avg Close $5.37 Range $3.88 - $7.71

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	562,096	$5,340	$9.77	$8.10 - $10.75
Q2 2017	66,714	$560	$8.16	$6.45 - $9.15
Q1 2017	19,385	$129	$6.17	$5.50 - $6.90
Q4 2016	30,193	$186	$6.53	$5.26 - $8.54
Q3 2016	489,551	$4,058	$7.84	$6.89 - $8.77
Q2 2016	502,323	$3,572	$7.46	$5.53 - $9.49
Q1 2016	746,395	$4,881	$5.12	$3.95 - $6.70
Q4 2015	1,161,025	$4,772	$4.02	$3.01 - $5.37
Q3 2015	125,739	$401	$3.51	$2.71 - $4.23
Q2 2015	93,100	$353	$3.42	$2.86 - $4.05
Q4 2014	379,100	$1,255	$3.01	$1.80 - $4.10
Q4 2013	72,632	$431	$5.79	$4.96 - $7.11
Q3 2013	107,377	$554	$5.46	$4.85 - $6.59
Q2 2013	233,668	$1,351	$5.37	$3.88 - $7.71