PLUG POWER INC — Director's Dealing 2016

Mar 22, 2016

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: PLUG POWER INC (PLUG)
CIK: 0001093691
Period of Report: 2016-03-18

Reporting Person: Marsh Andrew (Director, President and CEO)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2016-03-18	Common Stock	X	21505	$0.93	Acquired	473927	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2016-03-18	Warrant (right to buy)	$0.93	X	21505	Disposed	2016-05-31	Common Stock (21505)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	61843	Indirect

Footnotes

F1: The Reporting Person holds 61,843 shares of Issuer Common Stock under a 401(k) plan. The information in this report is based on a plan statement as of December 31, 2015.

F2: This Warrant was previously reported as relating to 15,000 shares with an exercise price of $3.00 per share. As a result of the Warrant's adjustment provisions, the Warrant was adjusted to relate to 48,387 shares and an exercise price of $0.93 per share. This Warrant has been exercised in exchange for a cash payment by the reporting owner. This Warrant was acquired in 2011 in connection with the purchase of Issuer Common Stock, and it is being exercised prior to its expiration date of May 31, 2016. The Reporting Person intends to hold the shares of common stock.

F3: Warrant became exercisable upon issuance.

F4: As previously reported on August 27, 2015, the Reporting Person partially exercised the Warrant. The total beneficially owned derivative securities following the transaction inadvertently included securities of a separate class, and, accordingly, such previously reported shares are now properly excluded.