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<title>Plug Power Inc. Form 8-K</title>


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<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'><b><font style="font-size: 20.0pt">&nbsp;</font></b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'><b><font style="font-size: 20.0pt">&nbsp;</font></b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

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<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b><font style="font-size: 20.0pt">UNITED STATES</font></b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b><font style="font-size: 20.0pt">SECURITIES AND EXCHANGE COMMISSION</font></b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b><font style="font-size: 14.0pt">WASHINGTON, D.C. 20549</font></b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>&nbsp;</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>&nbsp;</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b><font style="font-size: 20.0pt">FORM 8-K</font></b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b><font style="font-size: 18.0pt">&nbsp;</font></b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 14.0pt">CURRENT REPORT</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 14.0pt">Pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 14.0pt">&nbsp;</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>Date of Report (Date
of earliest event reported):&nbsp; March 16, 2012</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>&nbsp;</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b><font style="font-size: 20.0pt">Plug Power Inc. </font></b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 10.0pt">(Exact name of registrant as specified in its charter)</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 8.0pt">&nbsp;</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 8.0pt">&nbsp;</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 8.0pt">&nbsp;</font></p>

<table class=MsoNormalTable border=0 cellpadding=0
 style='border-collapse:collapse' width="100%">
 <tr>
  <td width="33%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>Delaware</b></p>
  </td>
  <td width="34%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>1-34392</b></p>
  </td>
  <td width="33%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>22-3672377</b></p>
  </td>
 </tr>
 <tr>
  <td width="33%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 10.0pt">(State or other jurisdiction</font></p>
  </td>
  <td width="34%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 10.0pt">(Commission File</font></p>
  </td>
  <td width="33%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 10.0pt">(IRS Employer</font></p>
  </td>
 </tr>
 <tr>
  <td width="33%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 10.0pt">of incorporation)</font></p>
  </td>
  <td width="34%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 10.0pt">Number)</font></p>
  </td>
  <td width="33%" valign=top style='padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 10.0pt">Identification No.)</font></p>
  </td>
 </tr>
</table>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 8.0pt">&nbsp;</font></p>

<table class=MsoNormalTable border=0 cellpadding=0
 style='border-collapse:collapse' width="100%">
 <tr>
  <td width=295 valign=top style='width:50%;padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>&nbsp;</b></p>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>968 Albany
  Shaker Road, <br>
  Latham, New York</b></p>
  </td>
  <td width=295 valign=top style='width:50%;padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>&nbsp;</b></p>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>&nbsp;</b></p>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>12110</b></p>
  </td>
 </tr>
 <tr>
  <td width=295 valign=top style='width:50%;padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 10.0pt">(Address of principal executive offices)</font></p>
  </td>
  <td width=295 valign=top style='width:50%;padding-left:5.4pt; padding-right:5.4pt; padding-top:0in; padding-bottom:0in'>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 10.0pt">(Zip Code)</font></p>
  </td>
 </tr>
</table>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>Registrant&#146;s
telephone number, including area code:<b>&nbsp; (518) 782-7700</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'><b>&nbsp;</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><b>N/A</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'><font style="font-size: 10.0pt">&nbsp;(Former name or former address, if changed since last
report.)</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;line-height:13.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;line-height:13.0pt'><font style="font-size: 11.0pt">Check the appropriate box below if the Form 8-K filing
is intended to simultaneously satisfy the filing obligation of the registrant
under any of the following provisions (<i>see </i>General Instruction A.2.
below):</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;line-height:13.0pt'><font style="font-size: 11.0pt">&nbsp;</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;line-height:13.0pt'><font style="font-size: 11.0pt">&#61551;&nbsp;&nbsp; Written communications pursuant
to Rule 425 under the Securities Act (17 CFR 230.425)</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;line-height:13.0pt'><font style="font-size: 11.0pt">&nbsp;</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;line-height:13.0pt'><font style="font-size: 11.0pt">&#61551;&nbsp;&nbsp; Soliciting material pursuant to
Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;line-height:13.0pt'><font style="font-size: 11.0pt">&nbsp;</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;line-height:13.0pt'><font style="font-size: 11.0pt">&#61551;&nbsp;&nbsp; Pre-commencement communications
pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;line-height:13.0pt'><font style="font-size: 11.0pt">&nbsp;</font></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;line-height:13.0pt'><font style="font-size: 11.0pt">&#61551;&nbsp;&nbsp; Pre-commencement communications
pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))</font></p>
<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;line-height:13.0pt'>&nbsp;</p>
<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;line-height:13.0pt'>&nbsp;</p>
<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;line-height:13.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

<div style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>

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<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

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<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'><b>Item 1.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Entry into a Material Definitive
Agreement.</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>On March 16, 2012, Plug Power Inc.
(the &#147;<u>Company</u>&#148;) and Broadridge Corporate Issuer Solutions, Inc. (&#147;<u>Broadridge</u>&#148;)
entered into an Amendment No. 2 (the &#147;<u>Amendment</u>&#148;) to the Shareholders
Rights Agreement, dated as of June 23, 2009 (as amended by Amendment No. 1 to
the Shareholder Rights Agreement, dated as of May 6, 2011, the &#147;<u>Rights
Agreement</u>&#148;), between the Company and American Stock Transfer &amp; Trust
Company LLC (&#147;<u>AST</u>&#148;), as Rights Agent under the Rights Agreement (the &#147;<u>Rights
Agent</u>&#148;).&nbsp; The Amendment amends the Rights Agreement to replace AST as the
Rights Agent and to appoint Broadridge as the successor Rights Agent.</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp; </p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>The foregoing description of the
Amendment does not purport to be complete and is qualified in its entirety by
reference to the Amendment, which is filed as Exhibit 1.1 hereto and is
incorporated herein by reference.</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'><b>Item 9.01.&nbsp; &nbsp;&nbsp;&nbsp;&nbsp; Financial Statements and Exhibits</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'><b>&nbsp;</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>(d) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Exhibits. </p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";page-break-after:avoid'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-left:.5in;text-indent:-.5in;page-break-after:
avoid'>1.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Amendment No. 2 to Shareholder Rights Agreement dated as of March
16, 2012 by and between Plug Power Inc. and Broadridge Corporate Issuer
Solutions, Inc., as Rights Agent.</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";page-break-after:avoid'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";page-break-after:avoid'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";page-break-after:avoid'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;page-break-after:avoid'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";' align="center">
2</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

<div style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>

<hr size=2 width="100%" noshade color=navy align=center>

</div>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

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style='page-break-before:always'>


<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-align:center'><b>SIGNATURE</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:6.0pt;text-indent:.5in'>Pursuant to the
requirements of the Securities Exchange Act of 1934, the registrant has duly
caused this report to be signed on its behalf by the undersigned hereunto duly
authorized.</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:6.0pt;text-indent:.5in'><font style="font-size: 10.0pt">&nbsp;</font></p>

<table border="0" style="border-collapse: collapse" width="100%" id="table1">
	<tr>
		<td width="30%">&nbsp;</td>
		<td width="70%">

<p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:justify;margin-right:0in; margin-top:0in'>Plug Power Inc.</p>

		</td>
	</tr>
	<tr>
		<td width="30%">&nbsp;</td>
		<td width="70%">

<p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman"; margin-right:0in; margin-top:0in'>&nbsp;</p>

		</td>
	</tr>
	<tr>
		<td width="30%">&nbsp;</td>
		<td width="70%">

<p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman"; margin-right:0in; margin-top:0in'>&nbsp;</p>

		</td>
	</tr>
	<tr>
		<td width="30%">Date:&nbsp;&nbsp;&nbsp; March 19, 2012</td>
		<td width="70%">

<p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman"; margin-right:0in; margin-top:0in'>By:&nbsp;
<u>/s/ Andrew Marsh&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </u></p>

		</td>
	</tr>
	<tr>
		<td width="30%">&nbsp;</td>
		<td width="70%">

<p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-right:0in; margin-top:0in'>Name:&nbsp; Andrew
Marsh</p>

		</td>
	</tr>
	<tr>
		<td width="30%">&nbsp;</td>
		<td width="70%">

<p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-right:0in; margin-top:0in'>Title:
&nbsp;&nbsp;&nbsp; President and Chief Executive Officer</p>

		</td>
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	<tr>
		<td width="30%">&nbsp;</td>
		<td width="70%">

<p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-right:0in; margin-top:0in'>&nbsp;</p>

		</td>
	</tr>
</table>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;</p>
<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;</p>
<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;</p>
<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;</p>
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<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";' align="center">
3</p>

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<div style='page:Section1;'>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-align:right'><b>&nbsp;Exhibit
1.1</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-align:right'><b>EXECUTION
COPY</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-align:center'><b>AMENDMENT
NO. 2 TO <br>
SHAREHOLDER RIGHTS AGREEMENT</b></p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-indent:.5in'>This Amendment
No.&nbsp;2, effective as of March 16, 2012 (the &#147;<u>Amendment 2</u>&#148;), amends
the Shareholder Rights Agreement, dated as of June 23, 2009 (as amended by
Amendment No. 1 to the Shareholder Rights Agreement, dated as of May 6, 2011,
the &#147;<u>Rights Agreement</u>&#148;), between Plug Power Inc., a Delaware corporation
(the &#147;<u>Company</u>&#148;), and American Stock Transfer &amp; Trust Company LLC, a
New York Limited Liability Trust Company ( &#147;<u>AST</u>&#148;).&nbsp; Capitalized terms
used herein but not defined herein shall have their defined meanings set forth
in the Rights Agreement. </p>

<p style='margin-top:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:0in;text-indent:.5in;font-size:12.0pt;font-family:"Times New Roman";'>WHEREAS, on October 20, 2011, the Company
terminated AST as the transfer agent for the Common Stock and appointed
Broadridge Corporate Issuer Solutions, Inc. (&#147;Broadridge&#148;) as the transfer
agent for the Common Stock;</p>

<p style='margin-top:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:0in;text-indent:.5in;font-size:12.0pt;font-family:"Times New Roman";'>WHEREAS, pursuant to Section 21 of the Rights
Agreement, AST is deemed to have resigned as Rights Agent effective upon its
termination as transfer agent for the Common Stock;</p>

<p style='margin-top:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:0in;text-indent:.5in;font-size:12.0pt;font-family:"Times New Roman";'>WHEREAS, pursuant to Section 21 of the Rights
Agreement, the Company wishes to appoint Broadridge as the Rights Agent under
the Rights Agreement and Broadridge wishes to accept appointment as Rights
Agent under the Rights Agreement; </p>

<p style='margin-top:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:0in;text-indent:.5in;font-size:12.0pt;font-family:"Times New Roman";'>WHEREAS, pursuant to Section 27 of the Rights
Agreement and under the circumstances specified therein, the Company and the
Rights Agent shall, if the Board of Directors of the Company so directs,
supplement or amend any provision of the Rights Agreement without the approval
of any holders of certificates representing shares of Common Stock of the
Company; </p>

<p style='margin-top:0in;margin-right:0in;margin-bottom:12.0pt;margin-left:0in;text-indent:.5in;font-size:12.0pt;font-family:"Times New Roman";'>WHEREAS, the Company now desires to amend the
Rights Agreement as set forth in this Amendment, and pursuant to Section 27 of
the Rights Agreement, the Board of Directors of the Company hereby directs that
the Rights Agreement be amended as set forth in this Amendment; and</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>WHEREAS, the Board of Directors of
the Company has determined that this Amendment and the transactions
contemplated hereby are advisable and in the best interests of the Company and
the holders of Common Stock.</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-indent:.5in'>NOW,
THEREFORE, the parties hereby agree as follows:</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Broadridge
is hereby appointed as the Rights Agent under the Rights Agreement, and shall
be vested with the same powers, rights, duties and responsibilities as if it
had been originally named as Rights Agent.&nbsp; All references in the Rights
Agreement to American Stock Transfer &amp; Trust Company LLC as Rights Agent
shall be deemed to refer instead to Broadridge Corporate Issuer Solutions, Inc.
as Rights Agent.</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>
<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>
<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

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</div>

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style='page-break-before:always'>


<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-indent:.5in'>2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The
fifth sentence of Section 21 of the Rights Agreement is hereby amended and
restated in its entirety to read as follows: </p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-indent:.5in'>&#147;Any successor
Rights Agent, whether appointed by the Company or by such a court, shall be (a)
a corporation organized and doing business under the laws of the United States,
the State of Delaware, the State of New York or the Commonwealth of
Pennsylvania (or, if such corporation is authorized to do business as a banking
institution in the State of Delaware or the State of New York, any other state
of the United States), in good standing, which is authorized under such laws to
exercise stock transfer or corporate trust powers and is subject to supervision
or examination by federal or state authority and which has at the time of its
appointment as Rights Agreement a combined capital surplus of at least
$10,000,000 or (b) an Affiliate of a Person described in clause (a) of this
sentence.&#148;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-indent:.5in'>3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Section
26 of the Rights Agreement is hereby amended to replace the address of the
Rights Agent for notices with the following:</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>Broadridge Corporate Issuer
Solutions, Inc.</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>1717 Arch St., Suite 1300</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>Philadelphia, PA 19103</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-indent:.5in'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-indent:.5in'>4.&nbsp;&nbsp; Except as
expressly set forth herein, this Amendment shall not by implication or
otherwise alter, modify, amend or in any way affect any of the terms,
conditions, obligations, covenants or agreements contained in the Rights
Agreement, all of which are ratified and affirmed in all respects and shall
continue in full force and effect and shall be otherwise unaffected.</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-indent:.5in'>5.&nbsp;&nbsp; This
Amendment shall be governed by and construed in accordance with the laws of the
State of Delaware, United States of America, applicable to contracts made and
to be performed entirely within such State, without regard to conflict-of-law
principles. </p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-indent:.5in'>6.&nbsp;&nbsp; This
Amendment may be executed in any number of counterparts and each of such
counterparts shall for all purposes be deemed to be an original, and all such
counterparts shall together constitute but one and the same instrument. A
signature to this Amendment transmitted electronically shall have the same
authority, effect, and enforceability as an original signature.</p>

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<div style='page:Section2;'>

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<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";line-height:1.0pt'>&nbsp;</p>

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  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>IN WITNESS WHEREOF, the parties have caused this Amendment
  to be duly executed as of the day and year first above written.</p>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>
	<table border="0" style="border-collapse: collapse" width="100%" id="table2">
		<tr>
			<td width="50%">&nbsp;</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-top:0in'><b>
	PLUG POWER INC. </b></p>
  			</td>
		</tr>
		<tr>
			<td width="50%">&nbsp;</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman"; margin-top:0in'>&nbsp;</p>
  			</td>
		</tr>
		<tr>
			<td width="50%">Attest:</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman"; margin-top:0in'>&nbsp;</p>
  			</td>
		</tr>
		<tr>
			<td width="50%">&nbsp;</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman"; margin-top:0in'>&nbsp;</p>
  			</td>
		</tr>
		<tr>
			<td width="50%"><u>/s/ Sharalyn Savin&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
			</u></td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-top:0in'>
	<u>By:
	/s/ Andrew Marsh&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
	</u></p>
  			</td>
		</tr>
		<tr>
			<td width="50%">Name: Sharalyn Savin</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-top:0in'>Name:
	Andrew Marsh</p>
  			</td>
		</tr>
		<tr>
			<td width="50%">Title:&nbsp;&nbsp;&nbsp; Assistant General Counsel</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-top:0in'>Title:&nbsp;&nbsp;&nbsp;
	President &amp; CEO</p>
  			</td>
		</tr>
		<tr>
			<td width="50%">&nbsp;</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman"; margin-top:0in'>&nbsp;&nbsp; </p>
  			</td>
		</tr>
		<tr>
			<td width="50%">&nbsp;</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman"; margin-top:0in'>&nbsp;</p>
  			</td>
		</tr>
		<tr>
			<td width="50%">&nbsp;</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman"; margin-top:0in'>&nbsp;</p>
  			</td>
		</tr>
		<tr>
			<td width="50%">&nbsp;</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-top:0in'><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </b></p>
  			</td>
		</tr>
		<tr>
			<td width="50%">&nbsp;</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-top:0in'>
	<b>BROADRIDGE CORPORATE ISSUER SOLUTIONS, INC., as Rights
  Agent</b></p>
  			</td>
		</tr>
		<tr>
			<td width="50%">&nbsp;</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-top:0in'><b>&nbsp;</b></p>
  			</td>
		</tr>
		<tr>
			<td width="50%">&nbsp;</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman"; margin-top:0in'>&nbsp;</p>
  			</td>
		</tr>
		<tr>
			<td width="50%">Attest:</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman"; margin-top:0in'>&nbsp;</p>
  			</td>
		</tr>
		<tr>
			<td width="50%">&nbsp;</td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman"; margin-top:0in'>&nbsp;</p>
  			</td>
		</tr>
		<tr>
			<td width="50%"><u>/s/ John P. Dunn&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
			</u></td>
			<td width="50%" colspan="2">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman"; margin-top:0in'>By:
	<u>/s/ Lyell Dampeer&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
	</u></p>
  			</td>
		</tr>
		<tr>
			<td width="50%">Name: John P. Dunn</td>
			<td width="4%">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-top:0in'>
	Name:</p>
  			</td>
			<td width="46%">
  Lyell Dampeer</td>
		</tr>
		<tr>
			<td width="50%">Title:&nbsp;&nbsp; Vice President</td>
			<td width="4%">
  <p style='margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-top:0in'>Title:</p>
  			</td>
			<td width="46%">
  President</td>
		</tr>
		<tr>
			<td width="50%">&nbsp;</td>
			<td width="4%">
  &nbsp;</td>
			<td width="46%">
  Investor Communication Solutions, U.S.</td>
		</tr>
	</table>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-left:3.0in'><b>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </b></p>
  <p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";text-align:center'>&nbsp; </p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-align:justify'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-align:justify'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-align:justify'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-align:justify'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-align:justify'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-align:justify'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";margin-bottom:12.0pt;text-align:justify'>&nbsp;</p>

<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";' align="center"><i><font style="font-size: 10.0pt">[Signature Page to
Amendment No. 2 to Shareholder Rights Agreement]</font></i><font style="font-size: 8.0pt"> </font></p>
<p style='margin:0in;margin-bottom:.0001pt;font-size:12.0pt;font-family:"Times New Roman";' align="center">&nbsp;</p>
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[{"type": "8-K", "sequence": "1", "filename": "esplugpower8k.htm", "secsgml_size_bytes": 43155}]
{"company-data": {"conformed-name": "PLUG POWER INC", "cik": "0001093691", "assigned-sic": "3620", "irs-number": "223672377", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-34392", "film-number": "12700679"}, "business-address": {"street1": "968 ALBANY-SHAKER ROAD", "city": "LATHAM", "state": "NY", "zip": "12110", "phone": "5187827700"}, "mail-address": {"street1": "968 ALBANY-SHAKER ROAD", "city": "LATHAM", "state": "NY", "zip": "12110"}}
Plug Power Inc. Form 8-K
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 8-K
CURRENT REPORT
Pursuant to Section 13 or 15(d) of the Securities
Exchange Act of 1934
Date of Report (Date
of earliest event reported):  March 16, 2012
Plug Power Inc.
(Exact name of registrant as specified in its charter)
Delaware
1-34392
22-3672377
(State or other jurisdiction
(Commission File
(IRS Employer
of incorporation)
Number)
Identification No.)
968 Albany
  Shaker Road,
Latham, New York
12110
(Address of principal executive offices)
(Zip Code)
Registrant's
telephone number, including area code:
(518) 782-7700
N/A
(Former name or former address, if changed since last
report.)
Check the appropriate box below if the Form 8-K filing
is intended to simultaneously satisfy the filing obligation of the registrant
under any of the following provisions (
see
General Instruction A.2.
below):
   Written communications pursuant
to Rule 425 under the Securities Act (17 CFR 230.425)
   Soliciting material pursuant to
Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
   Pre-commencement communications
pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))
   Pre-commencement communications
pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Item 1.01        Entry into a Material Definitive
Agreement.
On March 16, 2012, Plug Power Inc.
(the "
Company
") and Broadridge Corporate Issuer Solutions, Inc. ("
Broadridge
")
entered into an Amendment No. 2 (the "
Amendment
") to the Shareholders
Rights Agreement, dated as of June 23, 2009 (as amended by Amendment No. 1 to
the Shareholder Rights Agreement, dated as of May 6, 2011, the "
Rights
Agreement
"), between the Company and American Stock Transfer & Trust
Company LLC ("
AST
"), as Rights Agent under the Rights Agreement (the "
Rights
Agent
").  The Amendment amends the Rights Agreement to replace AST as the
Rights Agent and to appoint Broadridge as the successor Rights Agent.
The foregoing description of the
Amendment does not purport to be complete and is qualified in its entirety by
reference to the Amendment, which is filed as Exhibit 1.1 hereto and is
incorporated herein by reference.
Item 9.01.       Financial Statements and Exhibits
(d)        Exhibits.
1.1       Amendment No. 2 to Shareholder Rights Agreement dated as of March
16, 2012 by and between Plug Power Inc. and Broadridge Corporate Issuer
Solutions, Inc., as Rights Agent.
2
SIGNATURE
Pursuant to the
requirements of the Securities Exchange Act of 1934, the registrant has duly
caused this report to be signed on its behalf by the undersigned hereunto duly
authorized.
Plug Power Inc.
Date:    March 19, 2012
By:
/s/ Andrew Marsh
Name:  Andrew
Marsh
Title:
    President and Chief Executive Officer
3
Exhibit
1.1
EXECUTION
COPY
AMENDMENT
NO. 2 TO
SHAREHOLDER RIGHTS AGREEMENT
This Amendment
No. 2, effective as of March 16, 2012 (the "
Amendment 2
"), amends
the Shareholder Rights Agreement, dated as of June 23, 2009 (as amended by
Amendment No. 1 to the Shareholder Rights Agreement, dated as of May 6, 2011,
the "
Rights Agreement
"), between Plug Power Inc., a Delaware corporation
(the "
Company
"), and American Stock Transfer & Trust Company LLC, a
New York Limited Liability Trust Company ( "
AST
").  Capitalized terms
used herein but not defined herein shall have their defined meanings set forth
in the Rights Agreement.
WHEREAS, on October 20, 2011, the Company
terminated AST as the transfer agent for the Common Stock and appointed
Broadridge Corporate Issuer Solutions, Inc. ("Broadridge") as the transfer
agent for the Common Stock;
WHEREAS, pursuant to Section 21 of the Rights
Agreement, AST is deemed to have resigned as Rights Agent effective upon its
termination as transfer agent for the Common Stock;
WHEREAS, pursuant to Section 21 of the Rights
Agreement, the Company wishes to appoint Broadridge as the Rights Agent under
the Rights Agreement and Broadridge wishes to accept appointment as Rights
Agent under the Rights Agreement;
WHEREAS, pursuant to Section 27 of the Rights
Agreement and under the circumstances specified therein, the Company and the
Rights Agent shall, if the Board of Directors of the Company so directs,
supplement or amend any provision of the Rights Agreement without the approval
of any holders of certificates representing shares of Common Stock of the
Company;
WHEREAS, the Company now desires to amend the
Rights Agreement as set forth in this Amendment, and pursuant to Section 27 of
the Rights Agreement, the Board of Directors of the Company hereby directs that
the Rights Agreement be amended as set forth in this Amendment; and
WHEREAS, the Board of Directors of
the Company has determined that this Amendment and the transactions
contemplated hereby are advisable and in the best interests of the Company and
the holders of Common Stock.
NOW,
THEREFORE, the parties hereby agree as follows:
1.         Broadridge
is hereby appointed as the Rights Agent under the Rights Agreement, and shall
be vested with the same powers, rights, duties and responsibilities as if it
had been originally named as Rights Agent.  All references in the Rights
Agreement to American Stock Transfer & Trust Company LLC as Rights Agent
shall be deemed to refer instead to Broadridge Corporate Issuer Solutions, Inc.
as Rights Agent.
2.         The
fifth sentence of Section 21 of the Rights Agreement is hereby amended and
restated in its entirety to read as follows:
"Any successor
Rights Agent, whether appointed by the Company or by such a court, shall be (a)
a corporation organized and doing business under the laws of the United States,
the State of Delaware, the State of New York or the Commonwealth of
Pennsylvania (or, if such corporation is authorized to do business as a banking
institution in the State of Delaware or the State of New York, any other state
of the United States), in good standing, which is authorized under such laws to
exercise stock transfer or corporate trust powers and is subject to supervision
or examination by federal or state authority and which has at the time of its
appointment as Rights Agreement a combined capital surplus of at least
$10,000,000 or (b) an Affiliate of a Person described in clause (a) of this
sentence."
3.         Section
26 of the Rights Agreement is hereby amended to replace the address of the
Rights Agent for notices with the following:
Broadridge Corporate Issuer
Solutions, Inc.
1717 Arch St., Suite 1300
Philadelphia, PA 19103
4.   Except as
expressly set forth herein, this Amendment shall not by implication or
otherwise alter, modify, amend or in any way affect any of the terms,
conditions, obligations, covenants or agreements contained in the Rights
Agreement, all of which are ratified and affirmed in all respects and shall
continue in full force and effect and shall be otherwise unaffected.
5.   This
Amendment shall be governed by and construed in accordance with the laws of the
State of Delaware, United States of America, applicable to contracts made and
to be performed entirely within such State, without regard to conflict-of-law
principles.
6.   This
Amendment may be executed in any number of counterparts and each of such
counterparts shall for all purposes be deemed to be an original, and all such
counterparts shall together constitute but one and the same instrument. A
signature to this Amendment transmitted electronically shall have the same
authority, effect, and enforceability as an original signature.
[
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remainder of this page has been intentionally left blank
]
IN WITNESS WHEREOF, the parties have caused this Amendment
  to be duly executed as of the day and year first above written.
PLUG POWER INC.
Attest:
/s/ Sharalyn Savin
By:
	/s/ Andrew Marsh
Name: Sharalyn Savin
Name:
	Andrew Marsh
Title:    Assistant General Counsel
Title:   
	President & CEO
BROADRIDGE CORPORATE ISSUER SOLUTIONS, INC., as Rights
  Agent
Attest:
/s/ John P. Dunn
By:
/s/ Lyell Dampeer
Name: John P. Dunn
Name:
Lyell Dampeer
Title:   Vice President
Title:
President
Investor Communication Solutions, U.S.
[Signature Page to
Amendment No. 2 to Shareholder Rights Agreement]