BLACKLINE INC

Ticker: BL CUSIP: 09239B109 Class: Common Stock

Twin Tree Management, LP's Holding History (CIK: 0001535588)

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

Q4 2021

Shares 6,515 Value ($000) $675 Avg Close $115.95 Range $95.16 - $135.00

Q3 2021

Shares 4,712 Value ($000) $556 Avg Close $114.88 Range $104.34 - $126.59

Q4 2020

Shares 11,463 Value ($000) $1,529 Avg Close $111.58 Range $87.33 - $141.82

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2021	6,515	$675	$115.95	$95.16 - $135.00
Q3 2021	4,712	$556	$114.88	$104.34 - $126.59
Q4 2020	11,463	$1,529	$111.58	$87.33 - $141.82