The company received the subpoena Friday afternoon. The company said it would fully cooperate with the inquiry, as it has with previous reviews of this issue by the state commissions.

Duke Energy’s full response to the state commissions, filed in August 2001 after an exhaustive internal review of the issue, is available on the company’s Web site, www.duke-energy.com through this link, click here.

Duke Energy is a diversified multinational energy company with an integrated network of energy assets and expertise. The company manages a dynamic portfolio of natural gas and electric supply, delivery and trading businesses – meeting the energy needs of customers throughout North America and in key markets around the world. Duke Energy, headquartered in Charlotte, N.C., is a Fortune 500 company traded on the New York Stock Exchange under the symbol DUK. More information about the company is available on the Internet at: www.duke-energy.com.