ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

Sculptor Capital LP's Holding History (CIK: 0001054587)

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

Q1 2015

Shares 50,000 Value ($000) $364 Avg Close $7.57 Range $6.50 - $8.58

Q4 2014

Shares 90,000 Value ($000) $719 Avg Close $8.49 Range $6.46 - $10.50

Q3 2014

Shares 96,801 Value ($000) $975 Avg Close $10.13 Range $8.04 - $11.56

Q2 2014

Shares 96,801 Value ($000) $1,070 Avg Close $10.85 Range $10.25 - $11.74

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2015	50,000	$364	$7.57	$6.50 - $8.58
Q4 2014	90,000	$719	$8.49	$6.46 - $10.50
Q3 2014	96,801	$975	$10.13	$8.04 - $11.56
Q2 2014	96,801	$1,070	$10.85	$10.25 - $11.74