Dividend Declaration

14 May 2025

International Paper CompanyNotice of Dividend Declaration

On 13 May 2025, International Paper Company (NYSE: IP; LSE: IPC) announced its intention to pay a dividend of $0.4625 per share for the period from 1 April 2025, to 30 June 30 2025, inclusive, on the common stock, par value $1.00, of the Company. The dividend will be paid on 13 June 2025, to stockholders of record as of the close of business on 23 May 2025.

The Company also announced its intention to pay a dividend of $1.00 per share for the period from 1 April 2025, to 30 June 2025, inclusive, on the cumulative $4.00 preferred stock of the Company, payable on 13 June 2025, to holders of record at the close of business on 23 May 2025.

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 internationalpaper.com.

For further information please contact:

Investor InquiriesMichele VargasDirector, Investor Relations+1 901 419 7287

Media InquiriesAmy Simpson +1 901 419 [email protected]