Vistra Corp announces results of 2023 Annual Meeting of Stockholders

Proposal One - Election of Directors - Voting results for Proposal One were as follows: Scott B. Helm: For Against Abstain Broker Nonvotes 325,285,971 2,523,771 161,831 24,335,904 Hilary E. Ackermann: For Against Abstain Broker Nonvotes 326,736,687 1,100,981 133,905 24,335,904 Arcilia C. Acosta: For Against Abstain Broker Nonvotes 324,641,561 3,185,753 144,259 24,335,904 Gavin R. Baiera: For Against Abstain Broker Nonvotes 318,658,195 9,148,196 165,182 24,335,904 Paul M. Barbas: For Against Abstain Broker Nonvotes 325,815,258 1,998,189 158,126 24,335,904 James A. Burke: For Against Abstain Broker Nonvotes 327,401,752 411,337 158,484 24,335,904 Lisa Crutchfield: For Against Abstain Broker Nonvotes 320,100,449 7,711,413 159,711 24,335,904 Brian K. Ferraioli: For Against Abstain Broker Nonvotes 325,436,011 2,373,577 161,985 24,335,904 Jeff D. Hunter: For Against Abstain Broker Nonvotes 320,086,687 7,725,167 159,719 24,335,904 Julie A. Lagacy: For Against Abstain Broker Nonvotes 322,168,62

Proposal Three - Ratification of the Selection of Deloitte & Touche LLP as the Company’s Independent Registered Public Accounting Firm for the Year Ending December 31, 2023 . Voting results were as follows: For Against Abstain 345,392,134 6,836,443 78,900 As a result, the Company’s selection of Deloitte & Touche LLP as the Company’s independent registered public accounting firm for the year ending December 31, 2023 was ratified.

Proposal Two - Approval, on an Advisory Basis, of Named Executive Officer Compensation . Voting results were as follows: For Against Abstain Broker Nonvotes 274,370,741 52,534,744 1,066,088 24,335,904 As a result, the compensation of the named executive officers was approved on an advisory basis.