Triple Point Licenses Commodity XL to Alliant Energy.

WESTPORT, Conn. -- Triple Point Technology, Inc., the leading global supplier of cross-industry software platforms for the supply, trading, marketing, and movement of commodities, announced today that Alliant Energy has licensed Commodity XL[TM] for Power and Gas, as well as Power Scheduling 'Visual Cockpit.'[TM] Alliant Energy joins Triple Point's growing list of utility clients which include Duke Energy, GUVNL, Westar Energy and Cinergy.

Alliant Energy, a midwest Fortune 1,000 power and natural gas utility traded on the New York Stock Exchange under the symbol LNT, is a public holding company serving approximately 1 million electric and over 400,000 natural gas customers in Iowa, Illinois, Minnesota and Wisconsin. Alliant Energy's large service territory covers 9,700 miles of electric transmission lines and 8,000 miles of natural gas main.

"Corporate governance and regulatory compliance are important concerns to utilities and Commodity XL is a perfect fit because it provides full compliance support: detailed audit trails, trader and credit limits with accompanying alerts, complete risk management support, and robust documentation and reporting," said Michael Schwartz, chief marketing officer, Triple Point. "Commodity XL is a true end-to-end solution that eliminates existing manual processes creating tighter company controls. In addition, Commodity XL has the most advanced and scalable architecture that easily integrates with many internal systems, including connectivity to the PJM and Midwest ISO markets."

"Commodity XL was built from the ground up by energy experts specifically to address the multi-faceted business of commodity trading, risk management and scheduling and it is the only system that can meet the needs of today's complex and volatile markets," said Peter F. Armstrong, president and CEO, Triple Point. "Also, with the advent of Sarbanes-Oxley, it is imperative for organizations to have Commodity XL's real-time, straight-through processing capability in order to drive operational excellence and full regulatory compliance throughout the business."

Triple Point Commodity XL[TM] is the only true next-generation solution built specifically from the ground up for high-volume, complex transaction management organizations. It meets all the requirements for trading in today's highly volatile environment: multi-commodity capabilities, real-time integration of physical and financial positions, comprehensive risk management, and scalability. Comprised of a family of commodity-specific products that can be deployed alone or in seamless combination with each other, Commodity XL manages every aspect of global cross-industry supply, trading, marketing, and logistics operations.

About Triple Point Technology, Inc.

Triple Point Technology is the leader in trading, risk management, scheduling and logistics solutions for commodities, including power, oil, gas, coal, metals, agricultural products, and freight. Triple Point Commodity XL profitably integrates physical and financial markets from the front-to-back office for all commodities on a real-time next-generation platform. Triple Point's award-winning solutions are used by more than 25 percent of both Global 500 commodity trading companies and Global 500 energy companies. Founded in 1993 and headquartered in Westport, Connecticut, USA, Triple Point serves clients from five development and support centers located around the globe. More information is available at www.tpt.com.

About Alliant Energy

Alliant Energy is an energy-services provider with subsidiaries serving approximately 1 million electric and over 400,000 natural gas customers. Providing its customers in the midwest with regulated electric and natural gas service is the company's primary focus. Alliant Energy's utility subsidiaries are Interstate Power and Light and Wisconsin Power and Light companies.

Alliant Energy, headquartered in Madison, WI, is a Fortune 1,000 company traded on the New York Stock Exchange under the symbol LNT. For more information, visit the company's website at www.alliantenergy.com.