Tranche Update on Mitsui Chemicals, Inc.'s Equity Buyback Plan announced on November 8, 2022.

Mitsui Chemicals, Inc. specializes in the manufacture and marketing of chemicals products. Net sales break down by product family as follows: - basic chemicals and fine chemicals products (48.8%): polypropylene, polyethylene, phenols, polyolefins, polyurethane, etc.; - performance chemicals products (25.5%): elastomers, urethane, polymers, etc. intended in particular for the automotive industry; - coating materials, films and agrochemicals (14.6%): resins, adhesives, polypropylene films, polyethylene films, industrial films, agrochemicals (insecticides, fungicides, herbicides, etc.) for the food and packaging sectors; - specialty materials (10.2%): ophthalmic lens materials, photochromic materials, non-woven fibers, dental products, etc. dedicated to the medical and healthcare industry; - other (0.9%). Net sales are distributed geographically as follows: Japan (52.2%), China (14.5%), Asia (13.6%), America (11.8%), Europe (7.3%) and other (0.6%).