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

30 October 2025

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 fiscal quarter ended 30 September 2025 (the "Press Release"), and that the Company will host a webcast and conference call today to discuss results for such fiscal quarter beginning 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 the global leader in sustainable packaging solutions. With company headquarters in Memphis, Tennessee, USA, and EMEA (Europe, Middle East and Africa) headquarters in London, UK, we employ more than 65,000 team members and serve customers around the world with operations in more than 30 countries. Together with our customers, we make the world safer and more productive, one sustainable packaging solution at a time. Net sales for 2024 were $18.6 billion. In 2025, International Paper acquired DS Smith creating an industry leader focused on the attractive and growing North American and EMEA regions. Additional information can be found by visiting internationalpaper.com. 

For further information please contact:

Investor Inquiries
Mandi Gilliland
Senior Director, Investor Relations
+1 901 419 4595

Media Inquiries
Jessica Seidner 
+1 901 419 4337
newsroom@ipaper.com