Memphis, Tenn. – International Paper will release first-quarter earnings on Thursday, April 29, 2021, before the opening of the New York Stock Exchange. The company will host a webcast to discuss earnings and current market conditions, beginning at 10 a.m. ET (9 a.m. CT). All interested parties are invited to listen to the webcast via the company's Internet site at http://www.internationalpaper.com by clicking on the Performance tab and going to the Presentations and Events/Webcasts page. A replay of the webcast will also be on the website beginning approximately two hours after the call. Parties who wish to participate in the webcast via teleconference may dial +1 (706) 679-8242 or, within the U.S. only, (877) 316-2541, and ask to be connected to the International Paper first-quarter earnings call. The conference ID number is 4409429. Participants should call in no later than 9:45 a.m. ET (8:45 a.m. CT). An audio-only replay will be available for ninety days following the call. To access the replay, dial +1 (404) 537-3406 or, within the U.S. only, (855) 859-2056 or (800) 585-8367, and when prompted for the conference ID, enter 4409429.