Eastman Announces 2026 Annual Meeting of Stockholders Vote Results

• elected directors Humberto P. Alfonso, Damon J. Audia, Brett D. Begemann, Eric L. Butler, Mark J. Costa, Linnie M. Haynesworth, Julie F. Holder, Renée J. Hornbaker, Kim Ann Mink, James J. O’Brien, and Donald W. Slager to one-year terms;

• ratified the appointment of PricewaterhouseCoopers LLP as independent registered public accounting firm for 2026;

• approved, on an advisory basis, the compensation of the company’s executive officers as disclosed in the annual meeting proxy statement (the “say-on-pay” vote);

• approved the 2026 Omnibus Stock Compensation Plan; and

• rejected an advisory stockholder proposal requesting to lower the threshold for calling special shareholder meetings.

Additional information about each of the matters acted upon by stockholders at the annual meeting is included in the proxy statement that was furnished to stockholders in connection with the meeting. The proxy statement is also available at investors.eastman.com. The final vote totals for the matters acted upon by stockholders at the annual meeting will be reported in a Form 8-K filing with the SEC and also posted on investors.eastman.com.

Founded in 1920, Eastman is a global specialty materials company that produces a broad range of products found in items people use every day. With the purpose of enhancing the quality of life in a material way, Eastman works with customers to deliver innovative products and solutions while maintaining a commitment to safety and sustainability. The company’s innovation-driven growth model takes advantage of world-class technology platforms, deep customer engagement, and differentiated application development to grow its leading positions in attractive end markets such as transportation, building and construction, and consumables. As a globally inclusive company, Eastman employs approximately 13,000 people around the world and serves customers in more than 100 countries. The company had 2025 revenue of approximately $8.8 billion and is headquartered in Kingsport, Tennessee, USA. For more information, visit www.eastman.com.

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