Eastman Chemical Company (NYSE:EMN):

Financial Results Release:		Thursday, April 30, 2026 Approximately 4:15 p.m. Eastern Time Via wire distribution and www.eastman.com, News Center and SEC Form 8-K filing.

Advance Slides, Webcast and Teleconference:		Friday, May 1, 2026 8:00 a.m. Eastern Time Via listen-only live webcast and teleconference. Advance slides and prepared remarks: posted Thursday, April 30, evening at investors.eastman.com Webcast: Eastman Q1 2026 Webcast to join live webcast Teleconference: Toll-Free dial-in number +1 (833) 470-1428 Passcode: 402297

Teleconference Pre-Registration:		To speed up connecting into the teleconference, a pre-registration link for participants is available below. Upon registration, participants will receive unique dial-in information via email. https://www.netroadshow.com/events/login/LE9zwo3gnVoTPQr0XUJ7I6TBgJKPNTEtkNV

Replay:		A webcast replay, as well as a replay in downloadable MP3 format, will be available at investors.eastman.com.

		Telephone replay available continuously beginning at approximately 1:00 p.m. Eastern Time, May 1, through 11:59 p.m. Eastern Time, May 10, 2026, Toll Free at +1 (866) 813-9403, passcode 531385.

Investor Contact: Greg Riddle, 212-835-1620, griddle@eastman.com

Media Contact: Tracy Kilgore Addington, 423-224-0498, tracy@eastman.com

Eastman Schedules First-Quarter 2026 Financial Results News Release and SEC Form 8-K Filing, Teleconference and Webcast, and Release of Additional Information