ASPEN AEROGELS INC

Ticker: ASPN CUSIP: 04523Y105 Class: Common Stock

SHEPHERD KAPLAN KROCHUK, LLC's Holding History (CIK: 0001218583)

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

Q3 2017

Shares 18,000 Value ($000) $76 Avg Close $4.37 Range $3.99 - $4.90

Q2 2017

Shares 18,000 Value ($000) $80 Avg Close $4.22 Range $3.95 - $4.62

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2017	18,000	$76	$4.37	$3.99 - $4.90
Q2 2017	18,000	$80	$4.22	$3.95 - $4.62