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<p class="MsoNormal">Dear All,<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">Please let us know if there is any update on timing of when we will see drafts of the PTI governance documents.&nbsp; Also, will we see term sheets for the PTI Contract and be asked to comment on those?&nbsp; If so, when should we expect to see those?<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">Also, on our last call there was reference to an IPR document.&nbsp; Any update on timing of that?<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">We just want to be sure we have resources available when these documents come in to us for review.<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal">Thanks<o:p></o:p></p>
<p class="MsoNormal">Sharon<o:p></o:p></p>
<p class="MsoNormal"><o:p>&nbsp;</o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;">SHARON R. FLANAGAN</span></b><span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><br>
</span><span style="font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;"><br>
<br>
<b>SIDLEY AUSTIN LLP</b><br>
555 California Street<br>
Suite 2000<br>
San Francisco, CA 94104<br>
&#43;1 415 772 1271</span><span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><br>
</span><span style="font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;"><a href="mailto:sflanagan@sidley.com" title="Click to send email to Flanagan, Sharon"><span style="color:blue">sflanagan@sidley.com</span></a></span><span style="font-size:12.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><br>
<a href="http://www.sidley.com" title="www.sidley.com"><span style="font-size:9.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;;color:blue">www.sidley.com</span></a><o:p></o:p></span></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:10.0pt;font-family:&quot;Arial&quot;,&quot;sans-serif&quot;"><img border="0" width="126" height="54" id="_x0000_i1025" src="http://www2.sidley.com/files/upload/signatures/SIDLEY_150-AUTOSIG.png" alt="SIDLEY"></span></b><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:&quot;Times New Roman&quot;,&quot;serif&quot;">&nbsp;</span><o:p></o:p></p>
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<p class="dbfca0c5-06ab-45e7-ae3c-2401c5c42c0d">&nbsp;</p>
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