Please be advised that Highmark is planning system maintenance to start at 9:00 PM EST on Friday, May 9, 2014. It is estimated the maintenance will be completed by 5:00 AM EST on Saturday, May 10, 2014. During this time Highmark will not be able to process real-time claim transactions. Any batch transactions sent in during this downtime will be held by Highmark until the systems are back up at approximately 5:00 AM on Saturday, May 10, 2014. At that time the transmissions will be processed. As a result you may experience delays in receiving your reports.