October 16, 2008

Dynegy to Announce Third Quarter 2008 Results on November 6

Dynegy Inc. (NYSE:DYN) today announced that it plans to report third quarter 2008 financial results before the opening of the New York Stock Exchange on Thursday, November 6, 2008. In connection with the announcement, Dynegy Chairman, President and Chief Executive Officer Bruce A. Williamson and members of the company's senior management team will discuss third quarter results during an investor presentation to be web cast live beginning at 9 a.m. ET/8 a.m. CT on November 6.

The listen-only web cast on November 6 can be accessed via the "Investor Relations" section of the company's web site at www.dynegy.com. For persons unable to listen to the live web cast, the call will be archived and available for replay in the previously mentioned section of the company's web site.

Through its subsidiaries, Dynegy Inc. produces and sells electric energy, capacity and ancillary services in key U.S. markets. The power generation portfolio consists of more than 18,000 megawatts of baseload, intermediate and peaking power plants fueled by a mix of natural gas, coal and fuel oil. DYNC