PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

COMMERZBANK AKTIENGESELLSCHAFT /FI's Holding History (CIK: 0000852933)

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

Q4 2016

Shares 10,308 Value ($000) $12 Avg Close $1.47 Range $1.18 - $1.76

Q4 2015

Shares 35,084 Value ($000) $74 Avg Close $2.20 Range $1.76 - $2.98

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2016	10,308	$12	$1.47	$1.18 - $1.76
Q4 2015	35,084	$74	$2.20	$1.76 - $2.98