#1 Performance?Share Units ("PSUs") earned (including accrued dividend equivalents and an anti-dilution adjustment related to the spin-off of Sylvamo Corporation) are based on the achievement of pre-established performance?goals pursuant to a January 1, 2021 grant of?PSUs made under the 2021-2023 Performance Share Plan.

#2 Share numbers rounded.

#3 Shares withheld to cover tax obligations due on the vesting of the earned PSUs described in footnote 1.

#1 2024 Retention Restricted Stok Unit Award ("Award") granted on June 14, 2024. This Award fully vests on April 1, 2026, subject to continued employment through such date, with accelerated vesting in certain circumstances including following an Involuntary Termination for reasons other than for Cause, as defined in the Company's 2024 Long-Term Incentive Compensation Plan.

#2 Share numbers rounded.

#3 The total amount beneficially owned has been adjusted to include shares acquired in exempt transactions pursuant to a dividend reinvestment feature of the account in which the shares are held. International Paper Company maintains a separate dividend reinvestment plan available to its shareholders that satisfies the requirement of Rule 16a-11 of the Securities and Exchange Act of 1934, as amended.

#1 Shares withheld to cover tax withholding obligations related to the vesting of the first tranche of the 2023 Restricted Stock Unit Award granted on January 1, 2023.

#2 Share numbers rounded.