AGENDA This presentation was updated as of September 30, 2025, and Braskem does not assume any obligation to update it in light of new information and/or future developments. Braskem undertakes no liability for transactions or investment decisions made based on the information in this presentation. 2 | PUBLIC EARNINGS CONFERENCE CALL 3 RD QUARTER 2025 N O V E M B E R 1 1 , 2 0 2 5 DISCLAIMER REGARDING FORWARD-LOOKING STATEMENTS 3Q25 EARNINGS CONFERENCE CALL This presentation may contain forward-looking stat ...