On September 14, 2021, Sylvamo Corporation (the Company) received letters of resignation from each of Timothy S. Nicholls, Thomas Plath, Sharon R. Ryan and John V. Sims (each, a “Resigning Director”) as directors, each such resignation to be effective as of, and contingent upon, the completion of the Spin-Off which is expected to occur on October 1, 2021. None of the Resigning Directors’ resignations is the result of any disagreement between the Resigning Director and the Company, the management or Board of Directors of the Company (the “Board”) or any committee of the Board, on any matter. On September 13, 2021, Jeanmarie Desmond was appointed as a director of the Company and as the Chair of the Audit Committee of the Board effective as of September 14, 2021. On September 13, 2021, effective immediately following the completion of the Spin-Off, each of Stan Askren, Christine S. Breves, Lizanne Gottung, Joia M. Johnson, David Petratis, J. Paul Rollinson and James P. Zallie was appointed as a director of the Company. Jeanmarie Desmond and Jean-Michel Ribiéras will each continue to serve as a director of the Company following completion of the Spin-Off. Effective immediately following the completion of the Spin-Off, the following directors will serve on the following committees of the Board: Audit Committee: Stan Askren, Christine Breves and James Zallie. Jeanmarie Desmond will continue to serve as Chair of the Audit Committee. Management Development and Compensation Committee: Lizanne Gottung (Chair), Stan Askren, Joia Johnson and J. Paul Rollinson. Nominating and Corporate Governance Committee: David Petratis (Chair), Jeanmarie Desmond, Lizanne Gottung and Joia Johnson.