PLUG POWER INC — Director's Dealing 2011

Apr 20, 2011

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PLUG POWER INC (PLUG)
CIK: 0001093691
Period of Report: 2011-04-13

Reporting Person: Corless Adrian J (Chief Technology Officer)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2011-04-13	Option to Purchase Common Stock	$0.61	A	410000	Acquired	2021-04-13	Common Stock (410000)	Direct

Footnotes

F1: Awarded pursuant to Plug Power's 1999 Stock Option and Incentive Plan.

F2: The stock options vest as follows: 136,667 shares become exercisable on April 13, 2012; 136,667 shares become exercisable on April 13, 2013; 136,666 shares become exercisable on April 13, 2014.