OMEROS CORP

Ticker: OMER CUSIP: 682143102 Class: COM

Parallax Volatility Advisers, L.P.'s Holding History (CIK: 0001521001)

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

Q1 2020

Shares 13,893 Value ($000) $186 Avg Close $13.30 Range $8.50 - $20.60

Q4 2018

Shares 10,924 Value ($000) $122 Avg Close $14.01 Range $10.30 - $24.87

Q3 2018

Shares 58 Value ($000) $1 Avg Close $22.30 Range $17.56 - $27.00

Q2 2018

Shares 16,928 Value ($000) $307 Avg Close $17.33 Range $10.60 - $25.20

Q4 2017

Shares 6,930 Value ($000) $135 Avg Close $18.75 Range $12.45 - $24.45

Q2 2017

Shares 1,222 Value ($000) $24 Avg Close $17.45 Range $13.56 - $27.09

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2020	13,893	$186	$13.30	$8.50 - $20.60
Q4 2018	10,924	$122	$14.01	$10.30 - $24.87
Q3 2018	58	$1	$22.30	$17.56 - $27.00
Q2 2018	16,928	$307	$17.33	$10.60 - $25.20
Q4 2017	6,930	$135	$18.75	$12.45 - $24.45
Q2 2017	1,222	$24	$17.45	$13.56 - $27.09