Dynegy Cancels Third Quarter 2017 Conference Call and Webcast

Dynegy Inc. (NYSE: DYN) today announced that following the Company’s October 30, 2017 announcement of its signed merger agreement with Vistra Energy, it will not be holding the conference call and webcast that was previously scheduled for Thursday, November 2. The Company will issue its third quarter 2017 results earnings release and related SEC filings as previously scheduled for Wednesday, November 1, 2017. Supplemental materials related to Dynegy’s third quarter earnings will be available via the Investor Relations section of Dynegy’s website at www.dynegy.com.

About Dynegy

Throughout the Northeast, Mid-Atlantic, Midwest, and Texas, Dynegy operates 27,000 megawatts (MW) of power generating facilities capable of producing enough energy to supply more than 22 million American homes. We generate power safely and responsibly for 1.2 million electricity customers who depend on that energy to grow and thrive.

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