BLACKLINE INC

Ticker: BL CUSIP: 09239B109 Class: Common Stock

Chicago Partners Investment Group LLC's Holding History (CIK: 0001563525)

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

Q3 2018

Shares 300 Value ($000) $13 Avg Close $49.80 Range $42.54 - $58.11

Q2 2018

Shares 300 Value ($000) $13 Avg Close $42.26 Range $37.84 - $50.31

Q1 2018

Shares 300 Value ($000) $12 Avg Close $37.36 Range $31.53 - $45.19

Q4 2017

Shares 300 Value ($000) $10 Avg Close $35.01 Range $32.67 - $39.00

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2018	300	$13	$49.80	$42.54 - $58.11
Q2 2018	300	$13	$42.26	$37.84 - $50.31
Q1 2018	300	$12	$37.36	$31.53 - $45.19
Q4 2017	300	$10	$35.01	$32.67 - $39.00