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

FOR IMMEDIATE RELEASE

4 February 2025

INTERNATIONAL PAPER COMPANY

COMPLETION OF LISTING

Further to International Paper's announcement on (i) September 11, 2024 in connection with the FCA's approval of and the publication of a prospectus in relation to Admission (the "Prospectus"), and (ii) November 4, 2024, December 5, 2024 and February 3, 2025 in connection with the FCA's approval of and the publication of certain supplements to the Prospectus, International Paper is pleased to announce that all of the issued International Paper Shares, consisting of 525,548,887 shares of common stock with a par value of $1.00 each, have been admitted to the equity shares (international commercial companies secondary listing) category of the Official List of the FCA and to trading on the main market for listed securities of the LSE under the ticker "IPC", effective from 8:00 a.m. (UK time) today.

Further, it is expected that the New International Paper Shares, consisting of 178,126,631 shares of common stock with a par value of $1.00 each, will also be admitted to the New York Stock Exchange under the ticker "IP" with effect from 9:30 a.m. (New York City time) today.

Capitalized terms used in this announcement, unless otherwise defined, have the meanings given to them in the Prospectus.

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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 Plc creating an industry leader focused on the attractive and growing North American and EMEA regions. Additional information can be found by visiting internationalpaper.com.

Cautionary Statement Regarding Forward-Looking Statements

Certain statements in this press release that are not historical in nature may be considered "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, as amended. Forward-looking statements can be identified by the use of forward-looking or conditional words such as "expects," "anticipates," "believes," "estimates," "could," "should," "can," "forecast," "intend," "look," "may," "will," "remain," "confident," "commit" and "plan" or similar expressions. These statements are not guarantees of future performance and reflect management's current views and speak only as to the dates the statements are made and are subject to risks and uncertainties that could cause actual results to differ materially from those expressed or implied in these statements. All statements, other than statements of historical fact, are forward-looking statements, including, but not limited to, statements regarding anticipated financial results, economic conditions, industry trends, board of directors appointments, future prospects, and the anticipated benefits resulting from the acquisition of DS Smith Plc. Factors which could cause actual results to differ include but are not limited to: (i) our ability to achieve the benefits expected from, and other risks associated with, acquisitions, joint ventures, divestitures, spinoffs, capital investments and other corporate transactions, including, but not limited to, the acquisition of DS Smith Plc, and our ability to integrate and implement our plans, forecasts, and other expectations with respect to the combined company, including in light of our increased scale and global presence; (ii) risks with respect to climate change and global, regional, and local weather conditions, as well as risks related to our targets and goals with respect to climate change and the emission of greenhouse gases (GHG) and other environmental, social and governance matters, including our ability to meet such targets and goals; (iii) loss contingencies and pending, threatened or future litigation, including with respect to environmental related matters; (iv) the level of our indebtedness, risks associated with our variable rate debt, and changes in interest rates (including the impact of current elevated interest rate levels); (v) the impact of global and domestic economic conditions and industry conditions, including with respect to current challenging macroeconomic conditions, recent inflationary pressures and changes in the cost or availability of raw materials, energy sources and transportation sources, supply chain shortages and disruptions, competition we face, cyclicality and changes in consumer preferences, demand and pricing for our products, and conditions impacting the credit, capital and financial markets; (vi) risks arising from conducting business internationally, domestic and global geopolitical conditions, military conflict (including the Russia/Ukraine conflict, the conflict in the Middle East, the further expansion of such conflicts, and the geopolitical and economic consequences associated therewith), changes in currency exchange rates, including in light of our increased proportion of assets, liabilities and earnings denominated in foreign currencies as a result of our completed acquisition of DS Smith Plc, trade policies (such as protectionist measures and increased tariffs) and trade tensions, downgrades in our credit ratings, and/or the credit ratings of banks issuing certain letters of credit, issued by recognized credit rating organizations; (vii) the amount of our future pension funding obligations, and pension and healthcare costs; (vii) the costs of compliance, or the failure to comply with, existing, evolving or new environmental (including with respect to climate change and greenhouse gas emissions), tax, trade, labor and employment, privacy, anti-bribery and anti-corruption, and other U.S. and non-U.S. governmental laws, regulations and policies (including but not limited to those in the United Kingdom and European Union); (ix) any material disruption at any of our manufacturing facilities or other adverse impact on our operations due to severe weather, natural disasters, climate change or other causes; (x) our ability to realize expected benefits and cost savings associated with restructuring initiatives; (xi) cybersecurity and information technology risks, including as a result of security breaches and cybersecurity incidents; (xii) our exposure to claims under our agreements with Sylvamo Corporation; (xiii) the qualification of such spin-off as a tax-free transaction for U.S. federal income tax purposes; (xiv) risks associated with our review of strategic options for our global cellulose fibers business; (xv) our ability to attract and retain qualified personnel and maintain good employee or labor relations; (xvii) our ability to maintain effective internal control over financial reporting; and (xviii) our ability to adequately secure and protect our intellectual property rights. These and other factors that could cause or contribute to actual results differing materially from such forward-looking statements can be found in our press releases and reports filed with the U.S. Securities and Exchange Commission. In addition, other risks and uncertainties not presently known to the Company or that we currently believe to be immaterial could affect the accuracy of any forward-looking statements. The Company undertakes no obligation to publicly update any forward-looking statements, whether as a result of new information, future events or otherwise.