ROSS STORES INC

Ticker: ROST CUSIP: 778296103 Class: COMMON STOCK

DUDLEY & SHANLEY, INC.'s Holding History (CIK: 0000883511)

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

Q4 2018

Shares 46,205 Value ($000) $3,844 Avg Close $84.34 Range $70.86 - $97.13

Q3 2018

Shares 48,742 Value ($000) $4,830 Avg Close $85.36 Range $77.12 - $93.63

Q2 2018

Shares 48,742 Value ($000) $4,131 Avg Close $75.43 Range $69.04 - $81.00

Q1 2018

Shares 48,742 Value ($000) $3,801 Avg Close $73.33 Range $68.12 - $79.11

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2018	46,205	$3,844	$84.34	$70.86 - $97.13
Q3 2018	48,742	$4,830	$85.36	$77.12 - $93.63
Q2 2018	48,742	$4,131	$75.43	$69.04 - $81.00
Q1 2018	48,742	$3,801	$73.33	$68.12 - $79.11