ROSS STORES INC

Ticker: ROST CUSIP: 778296103 Class: COMMON STOCK

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

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

Q3 2015

Shares 28,780 Value ($000) $1,395 Avg Close $46.11 Range $42.04 - $51.13

Q2 2015

Shares 23,062 Value ($000) $1,121 Avg Close $45.27 Range $42.85 - $47.40

Q3 2014

Shares 10,210 Value ($000) $772 Avg Close $31.13 Range $27.63 - $34.51

Q1 2014

Shares 112,047 Value ($000) $8,017 Avg Close $31.55 Range $28.94 - $33.48

Q4 2013

Shares 112,013 Value ($000) $8,393 Avg Close $33.31 Range $30.65 - $36.34

Q3 2013

Shares 87,116 Value ($000) $6,342 Avg Close $30.20 Range $28.58 - $32.35

Q2 2013

Shares 88,078 Value ($000) $5,708 Avg Close $28.26 Range $25.84 - $29.37

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	28,780	$1,395	$46.11	$42.04 - $51.13
Q2 2015	23,062	$1,121	$45.27	$42.85 - $47.40
Q3 2014	10,210	$772	$31.13	$27.63 - $34.51
Q1 2014	112,047	$8,017	$31.55	$28.94 - $33.48
Q4 2013	112,013	$8,393	$33.31	$30.65 - $36.34
Q3 2013	87,116	$6,342	$30.20	$28.58 - $32.35
Q2 2013	88,078	$5,708	$28.26	$25.84 - $29.37