Mitsui joins Malaysia carbon storage venture: what it means for Mitsui & Co stock

Published on 10/28/2026 at 09:01 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Mitsui joins a Malaysia CCS venture targeting 5 million tonnes yearly from 2031. The joint framework matters for Mitsui & Co stock as a new project.

Project status and timing

The Southern CCS Hub agreement targets up to 5 million tonnes of annual injection from 2031.
The partners began development studies in 2023 and advanced the framework in 2025.
Mitsui & Co stock trades at EUR 28.77 at 8:59 a.m. CET at Lang & Schwarz on October 28, 2026.

Mitsui-Soko, JP3893600001, Illustration mit AI erstellt.

Mitsui & Co (ISIN JP3893600001) has joined a Malaysia carbon-storage venture targeting up to 5 million tonnes of annual injection from 2031. The joint venture agreement was signed on October 23, 2026, by PETRONAS CCS Ventures, TotalEnergies EP CCS Malaysia and Mitsui, according to PETRONAS.

What does the venture change?

The agreement creates a framework for a dedicated company to develop, commercialize and operate carbon-storage areas offshore Peninsular Malaysia. The first phase targets a depleted gas field with expected injection capacity of up to 5 million tonnes per year, while first injection is targeted as early as 2031.

The partners are still advancing the project's technical and commercial maturity before a final investment decision. Mitsui contributes commercial development, project investment and logistics capabilities, while PETRONAS contributes subsurface and project-management expertise and TotalEnergies brings carbon-capture and storage development experience, the PETRONAS release states.

Three milestones shape the project

The partners signed a Carbon Capture and Storage Development Agreement in 2023 for development studies and technical evaluations. In 2025, a Key Principles Agreement laid the groundwork for front-end engineering and design activities and the joint venture structure. The October 23, 2026, agreement is the latest step and does not represent a final investment decision.

When are the next milestones?

The project targets first injection from 2031, subject to industry readiness and further development work. Mitsui's investor-relations page schedules its announcement of results for the six-month period ended September 30, 2026, for November 4, 2026, at noon Japan time, according to Mitsui & Co.

Stock price in Berlin

Mitsui & Co stock was trading at EUR 28.77 at Lang & Schwarz on October 28, 2026, at 8:59 a.m. CET. The quote is an intraday indication for German investors; a dated Xetra closing comparison was not established for this article.