NOT FOR RELEASE, PUBLICATION OR DISTRIBUTION, IN WHOLE OR IN PART, DIRECTLY OR INDIRECTLY IN, INTO OR FROM ANY JURISDICTION WHERE TO DO SO WOULD CONSTITUTE A VIOLATION OF THE RELEVANT LAWS OR REGULATIONS OF SUCH JURISDICTION

THIS ANNOUNCEMENT CONTAINS INSIDE INFORMATION FOR IMMEDIATE RELEASE

29 January 2026

International Paper Company files Current Report on Form 8-K

MEMPHIS, Tenn. - International Paper Company (the "Company") has today filed a Current Report on Form 8-K with the U.S. Securities and Exchange Commission (the "SEC") reporting that the Company has issued a press release announcing its financial results for the full-year and fiscal quarter ended December 31, 2025 (the "Press Release"). The Company separately announced its plan to create two independent, publicly traded packaging solutions companies in North America and Europe, Middle East and Africa.

The Company will host a webcast and conference call today to discuss our proposal to create two independent, public companies, as well as preliminary full-year and fourth quarter results at 10 a.m. ET/9 a.m. CT.  Interested persons will be able to access the webcast and the presentation to be discussed by the Company's leadership management team on the Company's investor relations website (https://www.internationalpaper.com/investors/events-presentations) live and in replay. An archived copy of the webcast will be available within 24 hours following the event. 

The Current Report on Form 8-K, which contains the Press Release as an exhibit thereto, is available on the SEC's website at sec.gov and on the SEC Filings page of the Company's website at SEC Filings | International Paper.

The person responsible for arranging for the release of this announcement on behalf of the Company is Joseph R. Saab, Senior Vice President, General Counsel and Corporate Secretary.

About International Paper 
International Paper (NYSE: IP; LSE: IPC) is dedicated to empowering customers, teammates, and shareowners to thrive by delivering innovative, sustainable packaging solutions for a changing world. As a trusted leader in corrugated packaging, we collaborate with partners across industries to protect what matters most-strengthening supply chains, advancing sustainability, and creating lasting value for our stakeholders. Discover more at internationalpaper.com.

For further information please contact:

Investor Inquiries
Mandi Gilliland
Senior Director, Investor Relations
+1 901 419 1731

Media Inquiries
newsroom@ipaper.com