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Montana-Dakota Utilities Co. Selects OSI's monarch™ Technology for SCADA/EMS

Open Systems International, Inc. (OSI) has been selected by Montana-Dakota Utilities Co. (MDU) to upgrade and replace their legacy SCADA/EMS system with OSI's state-of-the-art monarch™ (Multi-platform Open Network ARCHitecture) platform. MDU's primary motivations for switching to the OSI technology has been the desire for improved usability, interoperability, support and overall lower cost of maintenance and enhanced ability to meet regulatory requirements.

MDU's new monarch based OSI SCADA/EMS system is intended to serve MDU's interconnected electric generation and transmission infrastructure which currently serves about 125,000 residential, commercial, industrial and municipal customers within portions of North Dakota, South Dakota, Montana and Wyoming. MDU's electric system spans 3,000 and 4,600 miles of transmission and distribution lines, respectively and consists of nine electric generating facilities.

The new SCADA/EMS system will be based on OSI's next-generation Microsoft .NET based Graphical User Interface (GUI) and will include; Supervisory Control & Data Acquisition (SCADA); Historical Recording System; Data Engineering and Maintenance Subsystem; Real-time and Historical Trending; Alarm Management; Calculations Subsystem; Disturbance Data Collection; Historical Information System and Data Archiving; Load Shed and Restoration; Inter-control Center Communications Protocol; Automatic Generation Control and Dispatch; Transmission Network Security Analysis suite; Equipment Outage Scheduler; Operator Training Simulator; Transaction Management System and Switching Order Management software products.

"We are excited about our new partnership with OSI. We are confident that OSI will deliver the technology we need and the support we desire to implement and maintain a new SCADA/EMS," said Daren LaBere, Project Manager for MDU.

"We welcome Montana-Dakota Utilities to our user family and we appreciate their trust in OSI technology and people as we enter into this new joint partnership. We look forward to a successful project implementation and delivering MDU a world-class SCADA/EMS system," said Bahman Hoveida, President and CEO of OSI.

Montana-Dakota Utilities Co. (www.montana-dakota.com) distributes natural gas and generates, transmits and distributes electricity and provides related services in the northern Great Plains. Montana-Dakota is a division of MDU Resources Group, Inc. (www.mdu.com), a multidimensional natural resources enterprise traded on the New York Stock Exchange as MDU.

OSI (www.osii.com) provides open, state-of-the-art and high-performance automation solutions to utilities worldwide. These solutions include Supervisory Control and Data Acquisition (SCADA) systems, Network Management Systems (NMS), Energy Management Systems (EMS), Distribution Management Systems (DMS) and Generation Management Systems (GMS); as well as individual software and hardware products and Smart Grid Solutions for utility operations worldwide. OSI is headquartered in Minneapolis, Minnesota, USA.

For additional information regarding this news release please contact news@osii.com.