OMEROS CORP

Ticker: OMER CUSIP: 682143102 Class: COM

Clearbridge Investments, LLC's Holding History (CIK: 0001348883)

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

Q4 2015

Shares 600 Value ($000) $9 Avg Close $13.81 Range $10.69 - $16.52

Q3 2015

Shares 13,671 Value ($000) $150 Avg Close $15.57 Range $10.48 - $30.23

Q2 2015

Shares 17,871 Value ($000) $321 Avg Close $21.58 Range $17.62 - $26.64

Q1 2015

Shares 21,972 Value ($000) $484 Avg Close $22.83 Range $18.51 - $27.64

Q4 2014

Shares 25,678 Value ($000) $636 Avg Close $18.22 Range $11.18 - $25.10

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2015	600	$9	$13.81	$10.69 - $16.52
Q3 2015	13,671	$150	$15.57	$10.48 - $30.23
Q2 2015	17,871	$321	$21.58	$17.62 - $26.64
Q1 2015	21,972	$484	$22.83	$18.51 - $27.64
Q4 2014	25,678	$636	$18.22	$11.18 - $25.10