FOR IMMEDIATE RELEASE
August 6, 2004

FOR ADDITIONAL INFORMATION

Julia Van De Water, Manager NIPSCO Communications (574) 284-2151 Anthony Swinger OUCC Public Information Officer (317) 233-2747 Mary Beth Fisher IURC Director of Public Information (317) 232-2297

MERRILLVILLE, Ind. -- Northern Indiana Public Service Company (NIPSCO) announced today that natural gas costs for August 2004 decreased compared to last month. NIPSCO residential customers will see a decrease in natural gas costs of 5.92 percent when compared to July 2004 through the company’s gas cost adjustment (GCA). The Indiana Utility Regulatory Commission (IURC) approved the July adjustment subject to refund.

A typical NIPSCO residential customer using 50 therms of natural gas should expect a decrease of $3.16 from last month’s statement in their August billing, although total bill amounts will vary as a result of actual consumption.

NIPSCO utilizes a balanced portfolio of storage gas purchased prior to winter and contracts with suppliers to reduce price volatility for our customers. For natural gas customers who want consistent monthly payments, NIPSCO’s BudgetPlan allows customers to spread gas costs over an entire year. The NIPSCO Choice program gives customers an opportunity to choose an alternative natural gas supplier, and NIPSCO’s Price Protection Service option allows customers to fix or cap their per unit cost of natural gas.

The GCA is an allowed monthly adjustment to the gas supply charge portion of NIPSCO’s natural gas service rates. The adjustment, which must be approved by the IURC, reflects the fluctuations in the price NIPSCO pays in the marketplace for natural gas. The company passes on the costs of the natural gas directly to customers without any markup under its traditional, regulated GCA service option. NIPSCO is reminding customers about their ability to complete various transactions through its automated phone service, DirectLink, including several convenient bill payment options that differ from traditional mail, such as writing a check via phone or paying with a credit or debit card. Customers with Internet access can also pay with a credit, debit card, or check online, or enroll in NIPSCO’s Online Bill Payment program. For more information about DirectLink services and options, customers can call NIPSCO at 1-800-4-NIPSCO (1-800-464-7726).

Aside from the gas supply charge, the other components of NIPSCO’s monthly gas statements include service costs for gas delivery, and state and local taxes. These service costs, which are also regulated by the IURC, vary with monthly natural gas use. Helpful consumer information on natural gas prices and managing utility bills is also available from the Indiana Office of Utility Consumer Counselor (OUCC) toll-free at (888) 441-2494, or visit their website at www.in.gov/oucc. The OUCC is the state agency that represents the interests of all Indiana consumers in matters related to the provision of utility services.

The IURC may be contacted toll-free at (800) 851-4268, or via their website at www.in.gov/iurc. An advocate of neither the public nor the utilities, the IURC is required by state statute to make decisions that balance the interests of all parties to ensure that utilities provide adequate and reliable service at reasonable prices.

NIPSCO, with headquarters in Merrillville, Ind., is one of the 10 energy distribution companies of NiSource Inc. (NYSE: NI). With nearly 700,000 natural gas customers and 440,000 electric customers across the northern third of Indiana, NIPSCO is the largest natural gas distribution company, and the second largest electric distribution company, in the state. NiSource distribution companies serve 3.7 million natural gas and electric customers primarily in nine states. More information about NIPSCO is available at www.nipsco.nisource.com.