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MIAMI, FLORIDA., May 19, 2004 – DPL Energy, a subsidiary of DPL Inc., has deployed Peace Software’s Peace™ CIS (Customer Information System) product to bill and manage its customers in the Ohio Electric Choice Market. DPL Energy customers represent more than 3TWh annually.

DPL Energy has a combination of dual-billed and distribution-consolidated rate-ready customers. All customers are supported on Peace.

Jim Mahoney, CEO, DPL Inc., said, "Peace was deployed on time and on budget. Our flawless 4-month implementation with complete accuracy of data conversion and billing is a testament to the project team’s expertise and the off-the-shelf capabilities of the Peace product."

Having steadily gained market share since the Ohio Electric Choice Market opened in 2001, DPL Energy required a new CIS platform to support operational efficiency and further expansion. Mahoney said, "The versatility of our Peace system gives us the agility to manage and grow our business in a rapidly evolving market."

About DPL Inc.
DPL Inc. is a diversified, regional energy company. DPL's principal subsidiaries include The Dayton Power & Light Company (DP&L) and DPL Energy. DP&L provides electric services to over 500,000 retail customers in West Central Ohio. DPL Energy markets over 4,600 megawatts of generation capacity throughout the eastern United States. DPL Inc., through its subsidiaries, ranks among the top energy companies in generation efficiency and productivity. Further information on DPL Inc. can be found at www.dplinc.com.

About Peace Software
Peace Software is a Tier 1 CIS product company. The company's Peace™ CIS product is proven to enable energy businesses to acquire, bill and serve millions of electricity, gas and water customers in 20 competitive and regulated markets. Developed as a true software product, it can be deployed off-the-shelf, and is adaptable, upgradeable and scalable to support evolving market and business requirements. Founded in 1984, Peace Software is headquartered in the United States and has operations in Australia, Canada, New Zealand and the United Kingdom. For more information, visit www.peace.com.

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