<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: arial,helvetica,sans-serif; font-size: 10pt; color: #000000'>Hi,<br><br> The SHMS HB has had a small modification to some of its magnetic components and this changes needs to be tested.<br>There is a small risk that the magnet will under go re-training at higher currents.<br>This testing is planned to start this morning. <br>Please advise of impacts to your systems due to the possible mild quenches of the HB.<br><br>Thanks<br>Steven<br></div></body></html>