PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

Cranbrook Wealth Management, LLC's Holding History (CIK: 0001599084)

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

Q1 2019
Shares 22 Value ($000) $0 Avg Close $1.74 Range $1.23 - $2.65
Q4 2018
Shares 22 Value ($000) $0 Avg Close $1.70 Range $0.99 - $2.00
Q3 2018
Shares 42 Value ($000) $0 Avg Close $1.95 Range $1.72 - $2.20
Q2 2018
Shares 42 Value ($000) $0 Avg Close $1.94 Range $1.71 - $2.27
Q1 2018
Shares 42 Value ($000) $0 Avg Close $2.01 Range $1.53 - $2.44
Q4 2017
Shares 42 Value ($000) $0 Avg Close $2.56 Range $2.17 - $3.21
Q3 2017
Shares 42 Value ($000) $0 Avg Close $2.23 Range $1.98 - $2.82
Q2 2017
Shares 70 Value ($000) $0 Avg Close $2.09 Range $1.25 - $2.70