PLUG POWER INC — Director's Dealing 2016

Feb 16, 2016

SEC Form 5 — Annual Statement of Changes in Beneficial Ownership

Issuer: PLUG POWER INC (PLUG)
CIK: 0001093691
Period of Report: 2015-12-31

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-07-23	Common Stock	M	122223	—	Acquired	452422	Direct
2015-07-23	Common Stock	F	71926	$2.43	Disposed	452422	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-07-23	Restricted Stock Units	$	M		Disposed		Common Stock (122223)	Direct
2015-07-23	Option to purchase Plug Power Common Stock	$2.43	A	750000	Acquired	2025-07-23	Common Stock (750000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	61843	Indirect

Footnotes

F1: Restricted stock units convert into common stock on a one-for-one basis.

F2: The reporting person holds 61,843 shares of Plug Power Common Stock under a 401(k) plan. The information in this report is based on a plan statement as of December 31, 2015.

F3: Awarded pursuant to Plug Power's 2011 Stock Option and Incentive Plan.

F4: The restricted stock units vest as follows: 122,222 shares vest on July 23, 2014; 122,223 shares vest on July 23, 2015; 122,222 shares lapse on July 23, 2016.

F5: 250,000 options vest on July 23, 2016, 250,000 options vest on July 23, 2017 and 250,000 options vest on July 23, 2018.