Corporate Headquarters

1000 Louisiana Street
Suite 5800
Houston, Texas 77002
713.507.6400
1.800.633.4704

Members of our Investor and Public Relations include:

Laura Hrehor
Senior Director, Investor Relations

Katy Sullivan
Director, Public Relations

Investor Relations

Individual stockholders, security analysts, portfolio managers and other institutional investors seeking information about the company should contact:

Investor Relations
713.507.6466
1.800.800.8220
ir@dynegy.com

Questions regarding Dynegy's stock should be sent to Attention: Investor Relations at the corporate address above.

Public Relations

The general public, as well as journalists seeking information about the company, should contact:

Public Relations
713.767.5800

Board of Directors

Inquiries to Dynegy’s Board of Directors:

Dynegy Inc.
Communications with Directors
Attn: Secretary
1000 Louisiana, Suite 5800
Houston, Texas 77002

Dynegy Integrity Helpline

The Dynegy Integrity Helpline is a toll-free phoneline that allows you to ask questions and report ethics and compliance issues or concerns. This Helpline is answered by an independent service provider and is available 24 hours a day, seven days a week, 365 days a year.

866.968.7396

Supplier Relations

For questions regarding Supplier Relations, send e-mail message to:

scm@dynegy.com

Webmaster

If you have any comments on or experience any problems with Dynegy.com, please send email to:

webmaster@dynegy.com