VST Vistra Corp

Appointment of Director

On February 1, 2023, upon the recommendation of the Nominating and Governance Committee of the Board of Directors (the “Board”) of Vistra Corp. (“Vistra” or the “Company”), and in accordance with the Company’s certificate of incorporation and bylaws, the Board increased the size of the Board from 10 members to 11 members and elected Julie Lagacy to the Board, effective immediately. Upon the recommendation of the Nominating and Governance Committee of the Board, and in accordance with the Company’s certificate of incorporation and bylaws, the Board appointed Ms. Lagacy to serve as a member of the Board’s Social Responsibility and Compensation Committee and Sustainability and Risk Committee.

The Board has determined that Ms. Lagacy satisfies the definition of “independent director” under the listing standards of the New York Stock Exchange.

Ms. Lagacy was Chief Sustainability and Strategy Officer at Caterpillar Inc., a manufacturer of construction and mining equipment, diesel and natural gas engines, industrial gas turbines and diesel-electric locomotives, from November 2021 through January 2023. Ms. Lagacy began her career with Caterpillar in 1988 and served as Product and Commercial Manager from 1999 until 2004, Human Resources Manager from 2004 until 2006, Senior Business Resource Manager (Global Mining) from 2006 until 2012, and Chief Financial Officer (Global Mining) from 2012 until 2013. From 2013 until 2014, Ms. Lagacy served as Vice President (Financial Services Division) and served as Vice President of Global Information Services and Chief Information Officer from 2014 until 2020. Ms. Lagacy also serves on the board of the Illinois Cancer Care Charitable Foundation. She earned dual bachelor’s degrees in Management and Economics from Illinois State University, an M.B.A. degree from Bradley University, and is a Certified Management Accountant. Ms. Lagacy brings extensive executive management experience, including financial, strategic, technology, cybersecurity, ESG, management development, acquisitions, and capital allocation. Specifically with regard to cybersecurity matters, Ms. Lagacy earned a Certificate in Cybersecurity Oversight from Carnegie Mellon University’s Software Engineering Institute.

There are no related person transactions (within the meaning of Item 404(a) of Regulation S-K promulgated by the Securities and Exchange Commission (the “SEC”)) between Ms. Lagacy and the Company. In connection with her service as a member of the Board, she will receive annual director fees, which currently consists of an annual cash retainer of $100,000, plus an additional $10,000 for each of the committees of the Board on which she serves, as well as an annual grant of restricted stock units with a grant date fair value of $160,000 based on the public trading price of the Company’s common stock on the date of grant. In addition to the above-described compensation, Ms. Lagacy will enter into the Company’s standard form of indemnification agreement with directors, a copy of which is filed as Exhibit 10.26 to Amendment No. 2 to the Company’s Registration Statement on Form S-1 (Registration No. 333-215288), filed with the SEC on April 5, 2017, and which is incorporated herein by reference.