OMEROS CORP

Ticker: OMER CUSIP: 682143102 Class: COM

RTW INVESTMENTS, LP's Holding History (CIK: 0001493215)

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

Q2 2017

Shares 237,453 Value ($000) $4,727 Avg Close $17.45 Range $13.56 - $27.09

Q4 2016

Shares 259,039 Value ($000) $2,570 Avg Close $10.20 Range $7.20 - $14.15

Q3 2016

Shares 383,012 Value ($000) $4,274 Avg Close $11.41 Range $10.36 - $13.71

Q2 2016

Shares 526,788 Value ($000) $5,542 Avg Close $12.31 Range $9.46 - $16.38

Q1 2016

Shares 891,522 Value ($000) $13,676 Avg Close $12.15 Range $8.90 - $16.80

Q4 2015

Shares 1,819,341 Value ($000) $28,618 Avg Close $13.81 Range $10.69 - $16.52

Q3 2015

Shares 490,000 Value ($000) $5,370 Avg Close $15.57 Range $10.48 - $30.23

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	237,453	$4,727	$17.45	$13.56 - $27.09
Q4 2016	259,039	$2,570	$10.20	$7.20 - $14.15
Q3 2016	383,012	$4,274	$11.41	$10.36 - $13.71
Q2 2016	526,788	$5,542	$12.31	$9.46 - $16.38
Q1 2016	891,522	$13,676	$12.15	$8.90 - $16.80
Q4 2015	1,819,341	$28,618	$13.81	$10.69 - $16.52
Q3 2015	490,000	$5,370	$15.57	$10.48 - $30.23