As part of our commitment to remain on the cutting edge of banking technology, we are pleased to announce that we will be upgrading our computer processing system to better serve you. To perform this upgrade, all Commercial Bank locations will be closed beginning 5:00 pm on Friday, September 24 through Sunday, September 26. We will resume normal business hours with an anticipated upgrade completion by 8:30 am on Monday, September 27. For more information, click "Learn More."