<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
<style type="text/css" style="display:none;"> P {margin-top:0;margin-bottom:0;} </style>
</head>
<body dir="ltr">
<div style="font-family:Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
All,</div>
<div style="font-family:Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<div style="font-family:Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
Attached is the <span>RI (original production) PO 15-C0587 April 2019 Accrual Form reversing or correcting three PO line accruals. We had previously accrued the lines in red, but all or a portion of these lines will be de-obligated as part of the contract
close-out process.</span></div>
<div style="font-family:Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<span><br>
</span></div>
<div style="font-family:Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<span>Ed,</span></div>
<div style="font-family:Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<span><br>
</span></div>
<div style="font-family:Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<span>Please reply all with your concurrence.</span><br>
</div>
<div style="font-family:Arial,Helvetica,sans-serif; font-size:12pt; color:rgb(0,0,0)">
<br>
</div>
<div id="Signature">
<div id="divtagdefaultwrapper" dir="ltr" style="font-size:12pt; color:#000000; font-family:Calibri,Helvetica,sans-serif">
<p style="margin-top: 0px; margin-bottom: 0px;margin-top:0px; margin-bottom:0px; margin-top:0; margin-bottom:0">
<span style="font-family:Arial,Helvetica,sans-serif">Eden Evans</span></p>
<span style="font-family:Arial,Helvetica,sans-serif"></span>
<p style="margin-top: 0px; margin-bottom: 0px;margin-top:0px; margin-bottom:0px; margin-top:0; margin-bottom:0">
<span style="font-family:Arial,Helvetica,sans-serif">Jefferson Lab</span><br>
<span style="font-family:Arial,Helvetica,sans-serif"></span></p>
<span style="font-family:Arial,Helvetica,sans-serif"></span>
<p style="margin-top: 0px; margin-bottom: 0px;margin-top:0px; margin-bottom:0px; margin-top:0; margin-bottom:0">
<span style="font-family:Arial,Helvetica,sans-serif">757-269-5935</span><br>
</p>
</div>
</div>
</body>
</html>