PLUG POWER INC

Ticker: PLUG CUSIP: 72919P202 Class: Common Stock

Brandywine Global Investment Management, LLC's Holding History (CIK: 0000829108)

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

Q1 2014

Shares 9,120 Value ($000) $65 Avg Close $4.62 Range $1.89 - $11.72

Q4 2013

Shares 129,980 Value ($000) $202 Avg Close $0.97 Range $0.45 - $2.24

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2014	9,120	$65	$4.62	$1.89 - $11.72
Q4 2013	129,980	$202	$0.97	$0.45 - $2.24