PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

Mount Lucas Management LP's Holding History (CIK: 0001185072)

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

Q2 2017

Shares 150,000 Value ($000) $306 Avg Close $2.09 Range $1.25 - $2.70

Q1 2017

Shares 175,000 Value ($000) $242 Avg Close $1.15 Range $0.83 - $1.52

Q4 2016

Shares 200,000 Value ($000) $240 Avg Close $1.47 Range $1.18 - $1.76

Q3 2016

Shares 175,000 Value ($000) $299 Avg Close $1.66 Range $1.34 - $1.95

Q2 2016

Shares 175,000 Value ($000) $326 Avg Close $1.91 Range $1.60 - $2.28

Q1 2016

Shares 165,200 Value ($000) $339 Avg Close $1.88 Range $1.30 - $2.25

Q4 2015

Shares 160,000 Value ($000) $338 Avg Close $2.20 Range $1.76 - $2.98

Q3 2015

Shares 160,000 Value ($000) $293 Avg Close $2.13 Range $1.56 - $2.85

Q2 2015

Shares 83,000 Value ($000) $203 Avg Close $2.62 Range $2.32 - $2.85

Q1 2015

Shares 34,500 Value ($000) $89 Avg Close $2.90 Range $2.42 - $3.38

Period	Shares	Value ($000)	Average Close	Price Range
Q2 2017	150,000	$306	$2.09	$1.25 - $2.70
Q1 2017	175,000	$242	$1.15	$0.83 - $1.52
Q4 2016	200,000	$240	$1.47	$1.18 - $1.76
Q3 2016	175,000	$299	$1.66	$1.34 - $1.95
Q2 2016	175,000	$326	$1.91	$1.60 - $2.28
Q1 2016	165,200	$339	$1.88	$1.30 - $2.25
Q4 2015	160,000	$338	$2.20	$1.76 - $2.98
Q3 2015	160,000	$293	$2.13	$1.56 - $2.85
Q2 2015	83,000	$203	$2.62	$2.32 - $2.85
Q1 2015	34,500	$89	$2.90	$2.42 - $3.38