Dynegy Announces Extension of Advance Notice Period for Director Nominations to March 28, 2011

Dynegy DYN today announced that it is extending the deadline for stockholders to provide notice of their intention to nominate directors for election at the 2011 Annual Meeting of Dynegy Stockholders from the close of business, Houston time, on March 11, 2011, to the close of business, Houston time, on March 28, 2011. The Annual Meeting of Stockholders will be held on June 15, 2011, in Houston.

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 approximately 11,800 megawatts of baseload, intermediate and peaking power plants fueled by a mix of natural gas, coal and fuel oil.