Regarding the Partial Spin-off of Crasus Chemical Inc. (Petrochemical Business)

Overview of the Spin-off

Resonac Holdings Corporation (“REH") plans to implement a partial spin-off (the “Spin-off") of Crasus Chemical Inc. (“CSC") , which operates the petrochemical business, effective October 1, 2026.
In the Spin-off, more than 80% of CSC shares will be distributed to REH shareholders through dividends in kind. CSC shares are expected to be listed on the Tokyo Stock Exchange Standard Market through a direct listing.
As a result of the execution of the Spin-off, REH shareholders will hold two listed REH shares and listed CSC shares.