CERUS CORP

Ticker: CERS CUSIP: 157085101 Class: COM

Alyeska Investment Group, L.P.'s Holding History (CIK: 0001453072)

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

Q3 2015

Shares 223,663 Value ($000) $1,015 Avg Close $5.18 Range $4.29 - $5.87

Q2 2015

Shares 203,191 Value ($000) $1,055 Avg Close $4.74 Range $3.82 - $5.70

Q1 2015

Shares 299,900 Value ($000) $1,251 Avg Close $5.12 Range $3.95 - $7.03

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2015	223,663	$1,015	$5.18	$4.29 - $5.87
Q2 2015	203,191	$1,055	$4.74	$3.82 - $5.70
Q1 2015	299,900	$1,251	$5.12	$3.95 - $7.03