<html><head></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><i><font class="Apple-style-span" face="Arial">Sent on behalf of the Computing & Networking Infrastructure group</font></i></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><font class="Apple-style-span" face="Arial">At 5 p.m. on Thursday, April 7, the Jefferson Lab telephone system will be taken offline temporarily for routine maintenance. During the maintenance period, no calls may be made onsite or offsite and no dial tone will be available. The outage is expected to last no more than 30 minutes. For more information or issues with the outage, send an email to the IT Division Helpdesk at </font><a href="mailto:helpdesk@jlab.org"><font class="Apple-style-span" face="Arial">helpdesk@jlab.org</font></a><font class="Apple-style-span" face="Arial">.</font></div><div><font class="Apple-style-span" face="Arial"><br></font></div><div><br></div></body></html>