Alliant Energy chooses OSI's monarch™ platform as the standard for its Generation Management and Distribution SCADA Systems

(Minneapolis, MN) Open Systems International, Inc. (OSI) was recently awarded two separate contracts from Alliant Energy of Madison, Wisconsin, for the implementation of a Generation Management System (GMS) and a Distribution SCADA system. Both systems are based on OSI's open monarch™ platform.

Alliant Energy's new GMS system will support the separation of the generation business unit from the transmission business unit and will provide advanced monitoring and control of Alliant Energy's generation assets at the operations center located in Madison, Wisconsin. On-line operation of this system is expected by March 2002.

OSI was also awarded a contract for implementation of a Distribution SCADA system at Alliant Energy's Cedar Rapids, Iowa distribution operations center. The SCADA system will collect data from substation automation devices and communicate with various enterprise systems using DNP and ICCP protocols. On-line operation of the SCADA system is expected by summer of 2002.

OSI (www.osii.com & www.e-scada.com), based in Minneapolis, Minnesota, is an industry leader in providing open, state-of-the-art, high-performance automation solutions to electric utilities worldwide. These solutions include Energy Management Systems (EMS), Distribution Management Systems (DMS), Supervisory Control and Data Acquisition (SCADA) Systems, and Generation Management Systems (GMS), as well as individual software products and e-business solutions for electric utility operations.

Alliant Energy (www.alliantenergy.com; NYSE:LNT), headquartered in Madison, Wisconsin, is a growing energy-services provider with operations both domestically and internationally. Alliant Energy, through its subsidiaries and partners, provides electric, natural gas, water and steam services to over three million customers worldwide. Alliant Energy Resources, Inc., home of the company's non-utility businesses, has operations and investments throughout the United States as well as in Australia, Brazil, China, Mexico, and New Zealand.

For additional information regarding this News Release please contact: Jaime Seeley, Communications Specialist, at jseeley@osii.com.

Open Systems International, Inc. , 3600 Holly Lane North, Suite 40, Minneapolis, MN 55447-1283. Tel: 763-551-0559; Fax: 763-551-0750.