<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=Windows-1252">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
</head>
<body dir="ltr">
<div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
The final phase of the electrical work scheduled for Tuesday 7/23/24 – Friday 7/26/24 was completed successfully early in the day on Friday July 26. </div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Thanks again for your cooperation.</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
======== July 24 Alert ======</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
The work scheduled for Tuesday and Wednesday of this week has been completed.</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
The next phase of the electrical work, described in the alert below, will start Thursday morning, 7/25/24, at 7AM. </div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
======== July 18 Alert ======</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Notice of plan to power down the switchboards that feed power to the following areas of the MGHPCC data center to allow electrical work in the computer room.</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Pod R2-PA – UPS-backed racks only</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Pod R6-PA </div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Pod R6-PB </div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Pod R6-PC</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Pod R9-PA</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Tape Library</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Entrance Room 1</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Entrance Room 2</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Estimated Start: 7 AM Tuesday 7/23/24</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Estimated End: 3 PM Friday 7/26/24 </div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
<br>
Tenant Impact<br>
--------------------</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
There may be brief periods of time when we will ask everyone to leave the Computer Room for safety (e.g. when a switchboard is being powered up).</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Computing, Storage, and Networking equipment in the areas named above should not be affected if it has been properly configured for operation with power cords attached to both the “A” and “B” PDUs in its rack.</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Equipment outside the areas named above should not be affected, independent of configuration.</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
There is elevated risk for the entire Computer Room while the work is being done.</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
<br>
Description<br>
—————</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
Schedule is expected to be:</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
* Tue 7/23 after 7AM: Disable power to the A side bus bars in the areas named above</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
* Wed 7/24 after the electrical work is done: Restore A side power.</div>
<div style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
* Thu 7/25, after 7AM: Disable power to the B side bus bars in the areas named above.</div>
<div class="elementToProof" style="text-align: left; text-indent: 0px; margin: 0in; font-family: Arial, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0);">
* Fri 7/26, after the electrical work is done: Restore B side power.</div>
</body>
</html>