Please be advised that Highmark is planning system maintenance to start at 8:00 PM EST on Friday, November 8, 2013. It is estimated the maintenance will be completed by 02:00 AM EST on Saturday, November 9, 2013. During this time Highmark will not be able to process real-time transactions. Any batch transaction sent in during this downtime will be held by Highmark until the systems are back up at approximately 02:00 AM EST on Saturday, November 9, 2013. At that time the transmissions will be processed. As a result you may experience delays in receiving your reports.