What is Mitsubishi Chemical Group planning to do with its petrochemical business, and by when?

Mitsubishi Chemical Group has begun considering a spin-off of its petrochemical business, with the aim of completing the move in fiscal 2027.

What specific consolidation arrangement has Mitsubishi Chemical Group already agreed to regarding its western Japan petrochemical operations?

Mitsubishi Chemical Group has agreed to merge its western Japan petrochemical operations with those of Mitsui Chemicals and Asahi Kasei; under this plan, Mitsubishi and Asahi Kasei will shut down ethylene production at their jointly owned Mizushima complex and consolidate output at Mitsui’s Osaka ethylene center, with Mitsubishi taking a 45% stake in the new three-company venture.

Mitsubishi to Spin Off Petrochemical Business

May 26, 2026

Mitsubishi Chemical Group plans to spin off its petrochemical business by fiscal 2027, merging operations with Mitsui Chemicals and Asahi Kasei while consolidating ethylene production capacity in Japan.

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