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: Conway Gerard L JR (General Counsel)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2015-07-23	Common Stock	M	11112	—	Acquired	5262	Direct
2015-07-23	Common Stock	F	5850	$2.43	Disposed	5262	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2015-07-23	Restricted Stock Units	$	M	11112	Disposed		Common Stock (11112)	Direct
2015-07-23	Option to purchase Plug Power Common Stock	$2.43	A	200000	Acquired	2015-07-23	Plug Power Common Stock (200000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	38949	Indirect

Footnotes

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

F2: The reporting person holds 38,949 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: 11,111 shares vest on July 23, 2014; 11,112 shares vest on July 23, 2015; 11,111 shares lapse on July 23, 2016.

F5: 66,668 options vest on July 23, 2016, 66,666 options vest on July 23, 2017 and 66,666 options vest on July 23, 2018.