Dynegy Approves Final Dividend on Mandatory Convertible Preferred Stock

Dynegy Inc. (NYSE: DYN) announced that its Board of Directors declared a dividend of $1.34375 per share on the outstanding 5.375% Series A Mandatory Convertible Preferred Stock that will be paid on November 1, 2017 to stockholders of record of the Mandatory Convertible Preferred Stock on October 15, 2017. The dividend is for the dividend period beginning on August 1, 2017 and ending on October 31, 2017, and is the last dividend to be paid on the preferred stock. The preferred stock will automatically convert on November 1, 2017 into shares of Dynegy common stock pursuant to the terms thereof.

About Dynegy

At Dynegy, we generate more than just power for our customers. We are committed to being a leader in the electricity sector. Throughout the Northeast, Mid-Atlantic, Midwest and Texas, Dynegy operates power generating facilities capable of producing 28,000 megawatts of electricity – or enough energy to power more than 22 million American homes. We’re proud of what we do, but it’s about much more than just output. We’re always striving to generate power safely and responsibly for our wholesale and retail electricity customers who depend on that energy to grow and thrive.

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Dynegy Inc.Media:Dean Ellis, 713.767.5800orAnalysts: 713.507.6466