REVISED: Start Time Changed for Eastman Second-Quarter 2021 Financial Results Teleconference and Webcast

Monday, August 2, 2021

Approximately 4:30 p.m. Eastern Time

Via wire distribution and www.eastman.com,

News Center and SEC Form 8-K filing.

Tuesday, August 3, 2021

9:00 a.m. Eastern Time, rather than the 8:00 a.m. start time previously announced.

Via listen-only live webcast and teleconference.

• Advance slides and prepared remarks: posted Monday, August 2, evening at investors.eastman.com
• Webcast: investors.eastman.com for link to live webcast and to view accompanying slides;
• Teleconference: Dial-in number +1 323-994-2093 Passcode: 7246635 or Click to Join teleconference: Click here to connect; link becomes active 15 minutes prior to call’s scheduled start time

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 12:00 p.m. Eastern Time, August 3, 2021 through 12:00 p.m. Eastern Time, August 13, 2021, at 888-203-1112 or +1 719-457-0820, passcode 7246635.