X0609 4 2026-05-01 0000051434 INTERNATIONAL PAPER CO /NEW/ IP 0001511133 Tozier Scott false INTERNATIONAL PAPER COMPANY 6400 POPLAR AVENUE MEMPHIS TN 38197 1 0 Common Stock 2026-05-01 4 P 0 10000 31.3009 A 10025 D Represents the weighted average price for 10,000 shares purchased on May 1, 2026 at prices ranging from $31.165 and $31.35, inclusive. The reporting person undertakes to provide to International Paper Company, any security holder of International Paper Company, or the staff of the U.S. Securities and Exchange Commission, upon request, full information regarding the number of shares sold as reported in this Form 4. Power of Attorney on file. /s/ Vincent T. Smith, Attorney-in-Fact for Mr. Tozier 2026-05-01