COSTCO WHSL CORP NEW

Ticker: COST CUSIP: 22160K105 Class: COM

B. Riley Financial, Inc.'s Holding History (CIK: 0001464790)

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

Q3 2018

Shares 1,335 Value ($000) $314 Avg Close $203.13 Range $185.65 - $221.43

Q2 2018

Shares 1,900 Value ($000) $399 Avg Close $177.76 Range $162.55 - $191.42

Q1 2018

Shares 1,899 Value ($000) $358 Avg Close $169.26 Range $157.50 - $179.09

Q4 2017

Shares 1,948 Value ($000) $362 Avg Close $154.45 Range $137.67 - $175.03

Q3 2017

Shares 2,206 Value ($000) $363 Avg Close $140.12 Range $133.57 - $147.68

Q2 2017

Shares 1,355 Value ($000) $217 Avg Close $150.98 Range $139.41 - $162.71

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	1,335	$314	$203.13	$185.65 - $221.43
Q2 2018	1,900	$399	$177.76	$162.55 - $191.42
Q1 2018	1,899	$358	$169.26	$157.50 - $179.09
Q4 2017	1,948	$362	$154.45	$137.67 - $175.03
Q3 2017	2,206	$363	$140.12	$133.57 - $147.68
Q2 2017	1,355	$217	$150.98	$139.41 - $162.71