PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

Aperio Group, LLC's Holding History (CIK: 0001364615)

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

Q4 2020

Shares 292,597 Value ($000) $9,922 Avg Close $22.64 Range $13.27 - $37.51

Q3 2020

Shares 310,570 Value ($000) $4,165 Avg Close $11.02 Range $7.07 - $14.35

Q2 2020

Shares 348,226 Value ($000) $2,859 Avg Close $4.68 Range $3.22 - $8.34

Q1 2020

Shares 347,831 Value ($000) $1,231 Avg Close $4.07 Range $2.53 - $6.05

Q4 2019

Shares 358,424 Value ($000) $1,133 Avg Close $3.04 Range $2.32 - $4.04

Q3 2019

Shares 370,692 Value ($000) $975 Avg Close $2.32 Range $1.88 - $2.94

Q2 2019

Shares 277,537 Value ($000) $624 Avg Close $2.48 Range $1.86 - $2.87

Q1 2019

Shares 225,753 Value ($000) $542 Avg Close $1.74 Range $1.23 - $2.65

Q4 2018

Shares 256,512 Value ($000) $318 Avg Close $1.70 Range $0.99 - $2.00

Q3 2018

Shares 193,713 Value ($000) $372 Avg Close $1.95 Range $1.72 - $2.20

Q2 2018

Shares 158,651 Value ($000) $320 Avg Close $1.94 Range $1.71 - $2.27

Q1 2018

Shares 152,293 Value ($000) $288 Avg Close $2.01 Range $1.53 - $2.44

Q4 2017

Shares 137,827 Value ($000) $325 Avg Close $2.56 Range $2.17 - $3.21

Q3 2017

Shares 135,234 Value ($000) $353 Avg Close $2.23 Range $1.98 - $2.82

Q2 2017

Shares 119,061 Value ($000) $243 Avg Close $2.09 Range $1.25 - $2.70

Q1 2017

Shares 111,895 Value ($000) $154 Avg Close $1.15 Range $0.83 - $1.52

Q4 2016

Shares 92,751 Value ($000) $111 Avg Close $1.47 Range $1.18 - $1.76

Q3 2016

Shares 103,905 Value ($000) $178 Avg Close $1.66 Range $1.34 - $1.95

Q2 2016

Shares 90,140 Value ($000) $168 Avg Close $1.91 Range $1.60 - $2.28

Q1 2016

Shares 58,827 Value ($000) $121 Avg Close $1.88 Range $1.30 - $2.25

Q4 2015

Shares 65,197 Value ($000) $138 Avg Close $2.20 Range $1.76 - $2.98

Q3 2015

Shares 27,047 Value ($000) $49 Avg Close $2.13 Range $1.56 - $2.85

Q2 2015

Shares 27,762 Value ($000) $68 Avg Close $2.62 Range $2.32 - $2.85

Q1 2015

Shares 28,352 Value ($000) $73 Avg Close $2.90 Range $2.42 - $3.38

Q4 2014

Shares 30,960 Value ($000) $93 Avg Close $3.98 Range $2.60 - $5.48

Q3 2014

Shares 107,718 Value ($000) $494 Avg Close $5.15 Range $4.00 - $6.47

Q2 2014

Shares 51,911 Value ($000) $243 Avg Close $5.09 Range $3.62 - $8.37

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2020	292,597	$9,922	$22.64	$13.27 - $37.51
Q3 2020	310,570	$4,165	$11.02	$7.07 - $14.35
Q2 2020	348,226	$2,859	$4.68	$3.22 - $8.34
Q1 2020	347,831	$1,231	$4.07	$2.53 - $6.05
Q4 2019	358,424	$1,133	$3.04	$2.32 - $4.04
Q3 2019	370,692	$975	$2.32	$1.88 - $2.94
Q2 2019	277,537	$624	$2.48	$1.86 - $2.87
Q1 2019	225,753	$542	$1.74	$1.23 - $2.65
Q4 2018	256,512	$318	$1.70	$0.99 - $2.00
Q3 2018	193,713	$372	$1.95	$1.72 - $2.20
Q2 2018	158,651	$320	$1.94	$1.71 - $2.27
Q1 2018	152,293	$288	$2.01	$1.53 - $2.44
Q4 2017	137,827	$325	$2.56	$2.17 - $3.21
Q3 2017	135,234	$353	$2.23	$1.98 - $2.82
Q2 2017	119,061	$243	$2.09	$1.25 - $2.70
Q1 2017	111,895	$154	$1.15	$0.83 - $1.52
Q4 2016	92,751	$111	$1.47	$1.18 - $1.76
Q3 2016	103,905	$178	$1.66	$1.34 - $1.95
Q2 2016	90,140	$168	$1.91	$1.60 - $2.28
Q1 2016	58,827	$121	$1.88	$1.30 - $2.25
Q4 2015	65,197	$138	$2.20	$1.76 - $2.98
Q3 2015	27,047	$49	$2.13	$1.56 - $2.85
Q2 2015	27,762	$68	$2.62	$2.32 - $2.85
Q1 2015	28,352	$73	$2.90	$2.42 - $3.38
Q4 2014	30,960	$93	$3.98	$2.60 - $5.48
Q3 2014	107,718	$494	$5.15	$4.00 - $6.47
Q2 2014	51,911	$243	$5.09	$3.62 - $8.37