BLACKLINE INC

Ticker: BL CUSIP: 09239B109 Class: Common Stock

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020

Shares 6,109 Value ($000) $815 Avg Close $111.58 Range $87.33 - $141.82

Q3 2020

Shares 5,333 Value ($000) $478 Avg Close $83.91 Range $71.20 - $94.06

Q2 2020

Shares 4,503 Value ($000) $373 Avg Close $66.77 Range $47.58 - $84.99

Q2 2019

Shares 709 Value ($000) $38 Avg Close $49.76 Range $44.08 - $56.04

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	6,109	$815	$111.58	$87.33 - $141.82
Q3 2020	5,333	$478	$83.91	$71.20 - $94.06
Q2 2020	4,503	$373	$66.77	$47.58 - $84.99
Q2 2019	709	$38	$49.76	$44.08 - $56.04