<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=Windows-1252">
</head>
<body>
<p class="MsoNormal" style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">
<span style="font-size: 11pt;">Dear MPICH family and friends,</span></p>
<p class="MsoNormal" style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">
<span style="font-size: 11pt;"> </span></p>
<p class="MsoNormal" style="margin: 0in;"><span style="font-family: Aptos, sans-serif; font-size: 11pt;">As I mentioned during today</span><span style="font-family: Aptos, sans-serif; font-size: 14.666667px;">’</span><span style="font-family: Aptos, sans-serif; font-size: 11pt;">s
call, we are cancelling for the next 2 weeks the MPICH development call due to personal vacations. We</span><span style="font-family: Aptos, sans-serif; font-size: 14.666667px;">’</span><span style="font-family: Aptos, sans-serif; font-size: 11pt;">ll resume
on 4/9.</span></p>
<p class="MsoNormal" style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">
<span style="font-size: 11pt;"> </span></p>
<p class="MsoNormal" style="margin: 0in;"><span style="font-family: Aptos, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">Enjoy the
</span><span style="font-family: Aptos, sans-serif; font-size: 14.666667px;">spring!</span></p>
<p class="MsoNormal" style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">
<span style="font-size: 11pt;"> </span></p>
<p class="MsoNormal" style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">
<span style="font-size: 11pt;">Thanks,</span></p>
<p class="MsoNormal" style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">
<span style="font-size: 11pt;">--</span></p>
<p class="MsoNormal" style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">
<span style="font-size: 11pt;">Hui Zhou</span></p>
<p class="MsoNormal" style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">
<span style="font-size: 11pt;">Principal Research Software Engineer</span></p>
<p class="MsoNormal" style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">
<span style="font-size: 11pt;">Mathematics and Computer Science</span></p>
<p class="MsoNormal" style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">
<span style="font-size: 11pt;">Argonne National Laboratory</span></p>
<p class="MsoNormal" style="margin: 0in; font-family: Aptos, sans-serif; font-size: 12pt;">
<span style="font-size: 11pt;">TEL: 630-252-3430</span></p>
</body>
</html>