Matters Concerning Controlling Shareholders, etc.

We hereby announce that the matters concerning the controlling shareholder, etc., of our other affiliated company, Mitsui Chemicals, Inc. 1. Parent company, controlling shareholder (excluding the parent company) or other related company's trade name, etc. (As of March 31, 2026) 2. Position of the listed company in the corporate group of the parent company, etc. and other relationships between the