HOMES BUSINESSES MUNICIPAL AGGREGATION GET HELP CCR Compliance Data and Information On April 9, 2018, Vistra Energy Corp. (NYSE: VST) completed its previously announced merger with Dynegy Inc. Following the closing of the transaction, facilities previously associated with Dynegy are now under the auspices of Luminant, Vistra's power generation brand. Legacy CCR data as well as concurrent reporting for these facilities is available at http://www.luminant.com/ccr. Please note: Access and viewing are open to the public, but due to cybersecurity concerns, guest registration is required. For questions or concerns, please contact CCRInfo@luminant.com ABOUT USCONTACT USMUNICIPAL AGGREGATIONCAREERSABOUT OUR ADSMEDIAENVIRONMENTAL DISCLOSURESTERMS OF SERVICEPRIVACY POLICYCCR COMPLIANCE © 2021 All Rights Reserved

HOMES BUSINESSES MUNICIPAL AGGREGATION GET HELP Community Dynegy in your local community For the past three decades, we’ve been committed to strengthening our communities. And you can find us powering them in every way we can. Ohio We’re one of the top three biggest suppliers in Ohio. We serve over 315,000 customers across the state in all 88 counties. If you’re a sports fan, you may have noticed us – we’re the Official Energy Provider of the Cincinnati Reds and Great American Ball Park. We love Cincinnati! We power the City of Cincinnati municipal buildings, the Cincinnati Public School District, the Cincinnati Zoo and Ford Motor Company too. We support numerous charitable organizations across the state, including the American Red Cross, Cincinnati Parks Foundation, Cincinnati Children’s Hospital Medical Center, and the ProMedica Hospital Foundation, just to name a few. Illinois We have over 600,000 residential and business customers in Illinois powering more than 400 communities in the state across 80 counties. We’re the Official Energy Provider of the Chicago Cubs and Wrigley Field. We also support numerous charitable organizations across the state, including the American Cancer Society, Chicago HOPES for Kids, Special Olympics of Illinois, Peoria Promise, and the Morton Arboretum, among others. Pennsylvania We’re dedicated to strengthening the places where we have customers, and where our valued employees live, work, and serve. Through this commitment, Dynegy is a proud member of the Chamber of Commerce for Greater Philadelphia. We also sponsor Dollar Energy Fund's annual Cool Down for Warmth fundraiser in Pittsburgh, which supports local residents who could use a hand with paying their heating bills. Stay tuned for the latest updates on our Pennsylvania community partnerships! Interested in learning more about Dynegy’s community giving? Send an email to community.affairs@vistraenergy.com. About Us Areas We Serve Media FAQs ABOUT USCONTACT USMUNICIPAL AGGREGATIONCAREERSABOUT OUR ADSMEDIAENVIRONMENTAL DISCLOSURESTERMS OF SERVICEPRIVACY POLICYCCR COMPLIANCE © 2021 All Rights Reserved