COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

IRONWOOD INVESTMENT MANAGEMENT LLC's Holding History (CIK: 0001127761)

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

Q1 2017

Shares 1,703 Value ($000) $286 Avg Close $142.87 Range $134.91 - $152.51

Q4 2016

Shares 1,683 Value ($000) $269 Avg Close $129.79 Range $120.95 - $140.39

Q3 2016

Shares 1,713 Value ($000) $261 Avg Close $136.95 Range $124.90 - $143.90

Q2 2016

Shares 1,351 Value ($000) $212 Avg Close $128.04 Range $117.26 - $134.37

Q1 2016

Shares 1,343 Value ($000) $212 Avg Close $127.74 Range $119.17 - $135.67

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2017	1,703	$286	$142.87	$134.91 - $152.51
Q4 2016	1,683	$269	$129.79	$120.95 - $140.39
Q3 2016	1,713	$261	$136.95	$124.90 - $143.90
Q2 2016	1,351	$212	$128.04	$117.26 - $134.37
Q1 2016	1,343	$212	$127.74	$119.17 - $135.67