PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

Empirical Financial Services, LLC d.b.a. Empirical Wealth Management's Holding History (CIK: 0001510434)

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

Q1 2018

Shares 20,356 Value ($000) $38 Avg Close $2.01 Range $1.53 - $2.44

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2018	20,356	$38	$2.01	$1.53 - $2.44