PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

Adalta Capital Management LLC's Holding History (CIK: 0001698926)

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

Q2 2018
Shares 32,000 Value ($000) $65 Avg Close $1.94 Range $1.71 - $2.27
Q1 2018
Shares 32,000 Value ($000) $60 Avg Close $2.01 Range $1.53 - $2.44
Q4 2017
Shares 32,000 Value ($000) $76 Avg Close $2.56 Range $2.17 - $3.21
Q3 2017
Shares 52,000 Value ($000) $136 Avg Close $2.23 Range $1.98 - $2.82
Q2 2017
Shares 52,000 Value ($000) $106 Avg Close $2.09 Range $1.25 - $2.70