X0508 4/A 2026-02-01 2026-02-03 0000051434 INTERNATIONAL PAPER CO /NEW/ IP 0001406890 Nicholls Timothy S C/O INTERNATIONAL PAPER COMPANY 6400 POPLAR AVENUE MEMPHIS TN 38197 1 Exec. VP & President 0 Common Stock 2026-02-01 4 F 0 1371 40.32 D 244914 D Common Stock 2026-02-01 4 F 0 1271 40.32 D 243643 D Common Stock 7228 I By Plan Additional shares were withheld to cover tax obligations arising from the vesting of the 2023 Restricted Stock Unit Award that vested on February 1, 2026. Because the reporting person is on an expatriate assignment, federal taxes were not initially withheld in error. Once the correct tax rates were applied, additional shares were withheld for the required tax obligations. Share numbers rounded. Additional shares were withheld to cover tax obligations arising from the vesting of the 2024 Restricted Stock Unit Award that vested on February 1, 2026. Because the reporting person is on an expatriate assignment, federal taxes were not initially withheld in error. Once the correct tax rates were applied, additional shares were withheld for the required tax obligations. Represents shares of International Paper common stock held through the International Paper Salaried Savings Plan. The information in this report is based on a plan statement as of January 30, 2026. Power of Attorney on file. /s/ Vincent T. Smith, attorney-in-fact for Timothy S. Nicholls 2026-02-11