VSTVistra Corp.

On August 24, 2026, Stacey Doré, Chief Strategy and Sustainability Officer & Executive Vice President, Public Affairs of the Company, entered into a 10b5-1 Plan. The 10b5-1 Plan provides for the potential sale of up to 50,000 shares of our common stock. Any sales are subject to certain price limitations set forth in the 10b5-1 Plan such that the actual number of shares sold could vary if certain minimum stock prices are not met. The 10b5-1 Plan will become effective on January 4, 2027 and will terminate on June 30, 2027, subject to earlier termination as provided in the 10b5-1 Plan. The 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.

On August 18, 2026, Stephanie Moore, Executive Vice President, General Counsel and Chief Compliance Officer of the Company, entered into a 10b5-1 Plan. The 10b5-1 Plan provides for the potential sale of up to 57,500 shares of our common stock. Any sales are subject to certain price limitations set forth in the 10b5-1 Plan such that the actual number of shares sold could vary if certain minimum stock prices are not met. The 10b5-1 Plan will become effective on November 20, 2026 and will terminate on August 27, 2027, subject to earlier termination as provided in the 10b5-1 Plan. The 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.

On June 5, 2026, Scott Hudson, Executive Vice President and President of Vistra Retail of the Company, entered into a 10b5-1 Plan. The 10b5-1 Plan provides for the potential sale of up to 66,666 shares of our common stock. Any sales are subject to certain price limitations set forth in the 10b5-1 Plan such that the actual number of shares sold could vary if certain minimum stock prices are not met. The 10b5-1 Plan will become effective on September 8, 2026 and will terminate on February 26, 2027, subject to earlier termination as provided in the 10b5-1 Plan. The 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.

On May 21, 2026, Kristopher Moldovan, Executive Vice President and Chief Financial Officer of the Company, entered into a 10b5-1 Plan. The 10b5-1 Plan provides for the potential sale of up to 60,000 shares of our common stock. Any sales are subject to certain price limitations set forth in the 10b5-1 Plan such that the actual number of shares sold could vary if certain minimum stock prices are not met. The 10b5-1 Plan will become effective on August 20, 2026 and will terminate on February 15, 2027, subject to earlier termination as provided in the 10b5-1 Plan. The 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.

On March 16, 2026, Arcilia Acosta, a member of the Board of Directors of the Company, entered into a 10b5-1 Plan. The 10b5-1 Plan provides for the potential sale of up to 15,000 shares of our common stock. Any sales are subject to certain price limitations set forth in the 10b5-1 Plan such that the actual number of shares sold could vary if certain minimum stock prices are not met. The 10b5-1 Plan will become effective on June 15, 2026 and will terminate on March 12, 2027, subject to earlier termination as provided in the 10b5-1 Plan. The 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.

On March 16, 2026, John R. Sult, a member of the Board of Directors of the Company, entered into a 10b5-1 Plan. The 10b5-1 Plan provides for the potential sale of up to 19,500 shares of our common stock. Any sales are subject to certain price limitations set forth in the 10b5-1 Plan such that the actual number of shares sold could vary if certain minimum stock prices are not met. The 10b5-1 Plan will become effective on June 15, 2026 and will terminate on December 31, 2026, subject to earlier termination as provided in the 10b5-1 Plan. The 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.

On March 13, 2026, Gavin Baiera, a member of the Board of Directors of the Company, entered into a 10b5-1 Plan. The 10b5-1 Plan provides for the potential sale of up to 25,000 shares of our common stock. Any sales are subject to certain price limitations set forth in the 10b5-1 Plan such that the actual number of shares sold could vary if certain minimum stock prices are not met. The 10b5-1 Plan will become effective on June 17, 2026 and will terminate on March 12, 2027, subject to earlier termination as provided in the 10b5-1 Plan. The 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.

On March 13, 2026, Paul Barbas, a member of the Board of Directors of the Company, entered into a 10b5-1 Plan. The 10b5-1 Plan provides for the potential sale of up to 488 shares of our common stock with the proceeds intended to cover an estimated amount of taxes due upon vesting of equity awards in 2026. The 10b5-1 Plan will become effective on June 12, 2026 and will terminate on December 31, 2026, subject to earlier termination as provided in the 10b5-1 Plan. The 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.

On March 12, 2026, Scott Helm, a member of the Board of Directors of the Company, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act (a 10b5-1 Plan). The 10b5-1 Plan provides for the potential sale of up to 50,000 shares of our common stock. Any sales are subject to certain price limitations set forth in the 10b5-1 Plan such that the actual number of shares sold could vary if certain minimum stock prices are not met. The 10b5-1 Plan will become effective on June 15, 2026 and will terminate on December 31, 2026, subject to earlier termination as provided in the 10b5-1 Plan. The 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.

On June 12, 2025, Jim Burke, President and Chief Executive Officer of the Company, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act (the 10b5-1 Plan). The 10b5-1 Plan provides for the potential exercise of options for up to 988,053 shares of our common stock pursuant to stock option awards that are nearing the end of their expiration window. The exercise of options will result in (i) shares that will be sold to cover the exercise price and taxes, (ii) shares that will be sold as part of estate planning activities, (iii) shares that will be donated for charitable purposes from shares Mr. Burke already owns, and (iv) shares that will be held following exercise. Such transactions are subject to certain price limitations set forth in the 10b5-1 Plan such that the actual number of shares transacted could vary if certain minimum stock prices are not met. Following execution of the plan, Mr. Burke's share ownership is expected to be higher than his current ownership. The 10b5-1 Plan will become effective on September 10, 2025 and will terminate on May 11, 2026, subject to earlier termination as provided in the 10b5-1 Plan. The 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.

On December 17, 2024, Kristopher Moldovan, Executive Vice President and Chief Financial Officer of the Company, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act (the 10b5-1 Plan). The 10b5-1 Plan provides for the potential exercise and sale of options for up to 139,925 shares of our common stock pursuant to stock option awards that will be expiring over the next several years. Any sales are subject to certain price limitations set forth in the 10b5-1 Plan such that the actual number of shares sold could vary if certain minimum stock prices are not met. The 10b5-1 Plan will become effective on March 18, 2025 and will terminate on November 28, 2025, subject to earlier termination as provided in the 10b5-1 Plan. The 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.

On December 1, 2025, Scott Hudson, Executive Vice President and President of Vistra Retail of the Company, entered into a 10b5-1 Plan. Hudson's 10b5-1 Plan provides for the potential sale of up to 27,000 shares of our common stock. Any sales are subject to certain price limitations set forth in the 10b5-1 Plan such that the actual number of shares sold could vary if certain minimum stock prices are not met. Hudson's 10b5-1 Plan will become effective on March 9, 2026 and will terminate on August 31, 2026, subject to earlier termination as provided in the 10b5-1 Plan. Hudson's 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.

On December 1, 2025, Stacey Doré, Chief Strategy and Sustainability Officer and Executive Vice President of Public Affairs of the Company, entered into a 10b5-1 Plan. Doré's 10b5-1 Plan provides for the potential sale of up to 36,000 shares of our common stock. Any sales are subject to certain price limitations set forth in the 10b5-1 Plan such that the actual number of shares sold could vary if certain minimum stock prices are not met. Doré's 10b5-1 Plan will become effective on March 9, 2026 and will terminate on December 31, 2026, subject to earlier termination as provided in the 10b5-1 Plan. Doré's 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.

On December 2, 2025, Stephanie Zapata Moore, Executive Vice President, General Counsel and Chief Compliance Officer of the Company, entered into a trading plan intended to satisfy the affirmative defense conditions of Rule 10b5-1(c) of the Exchange Act (10b5-1 Plan). Moore's 10b5-1 Plan provides for the potential sale of up to 57,500 shares of our common stock. Any sales are subject to certain price limitations set forth in the 10b5-1 Plan such that the actual number of shares sold could vary if certain minimum stock prices are not met. Moore's 10b5-1 Plan will become effective on March 9, 2026 and will terminate on October 30, 2026, subject to earlier termination as provided in the 10b5-1 Plan. Moore's 10b5-1 Plan was entered into during an open insider trading window in accordance with our Transactions in Securities Policy.